مقالات چاپ شده در نشریات بینالمللی
- D Y Li , and Hojat Ahmadi. "Mechanical and Tribological Properties of Aluminide Coating Modifided with yttrium." SURFACE & COATINGS TECHNOLOGY 161, no. 3 (2002): 217-210.
- Hojat Ahmadi, and Dongyang Yli . "Beneficial Effects of Yttrium on Mechanical Properties and High - temperature Wear Behavior of Aluminide Coating on 1045 Steel." WEAR 255, no. 7-12 (2003): 933-942.
- Hojat Ahmadi, Mohammad Mahjoob, Roozbeh Abaszadeh , Ali Rajabi Pour, and Moslem Delshad . "Prediction of Watermelon Consumer Acceptability based on Vibration Response Spectru." World Academy of Science, Engineering and Technology 54, no. --- (2007): 669-672.
- Hojat Ahmadi, Hamzeh Fathollahzadeh , and Hossein Mobli. "Some physical and mechanical peroperties of apricot fruits pits and kernels ( C.V. Tabarzeh )." Journal of Agricultural & Environmental Sciences 3, no. 5 (2008): 703-707.
- Hamzeh Fathollahzadeh , Hossein Mobli, Ali Jafari, Ali Rajabipour , Hojat Ahmadi, and Ali Mohammad Borghei . "Effects of moisture content on some physical properties of Barberry." Journal of Agricultural & Environmental Sciences 3, no. 5 (2008): 789-794.
- Kobra Heidarbeigi , Hojat Ahmadi, Kamran Kheiralipour , and Ahmad Tabatabaei Far. "some physical and mechanical properties of iranian wild pistachio ( pistachio mutica l. )." Journal of Agricultural & Environmental Sciences 3, no. 4 (2008): 521-525.
- G M Khoub Bakht , Hojat Ahmadi, Asadollah Akram, and M Karimi . "Repair and Maintenance Cost Models for MF285 Tractor : A Case Study in Central Region of Iran." Journal of Agricultural & Environmental Sciences 4, no. 1 (2008): 76-80.
- Hasani Mohamadi Monavar , Hojat Ahmadi, and Seyed Saeid Mohtasebi. "Prediction of Defects in Roller Bearings Using vibration Signal Analysis." World Applied Sciences Journal 4, no. 1 (2008): 150-154.
- Hosna Mohamadimonavar, Hojat Ahmadi, Seyed Saeid Mohtasebi, and S Hasani . "Vibration Condition Monitoring Techniques for Fault Diagnosis of Electromotor with 1.5 Kw Power." JOURNAL OF APPLIED SCIENCES 8, no. 7 (2008): 1268-1273.
- Hamzeh Fathollahzadeh , Hossein Mobli, Ali Jafari, Ali Rajabi Pour, Hojat Ahmadi, and Ali Mohammad Borghei . "Effect of Moisture Content on Some Physical Properties of Barberry." Journal of Agricultural & Environmental Sciences 3, no. 5 (2008): 789-794.
- خوب بخت گل محمد , Hojat Ahmadi, Asadollah Akram, and کریمی . "Determination of optimum life (economic life for MF285 tractor: A case study in center region of Iran." Journal of Agricultural & Environmental Sciences 4, no. 1 (2008): 81-85.
- Kamran Heidarbeigi , Hojat Ahmadi, Kamran Kheiralipour , and Ahmad Tabatabaei Far. "Some physical and mechanical properties of khinjuk." Pakistan Journal of Nutrition 8, no. 1 (2009): 74-77.
- Hojat Ahmadi, and Kave Mollazade . "apractical approach to electromotor fault diagnosis of imam khomeyni silo by vibration condition monitoring." African Journal of Agricultural Research 4, no. 4 (2009): 383-388.
- Hojat Ahmadi, and Kaveh Mollazade . "Determination and Investigation of Information Technology Parameters Effective to Precision Agriculture Development." Journal of Agricultural Technology 5, no. 2 (2009): 213-224.
- Mahmoud Tavakoli , Hamed Tavakoli , Ali Rajabi Pour, Hojat Ahmadi, and Seyed Mohammad Taghi Gharib Zahedi . "Moisture - dependent physical properties of barley grains." International Journal of Agricultural and Biological Engineering 2, no. 4 (2009): 84-91.
- Mahdi Ghasemi Varnamkhasti, Seyed Saeid Mohtasebi, Hojat Ahmadi, and Seyed Hadi Razavi. "Electronic mouth a new technology for agro - food evaluation." Research on Crops 5, no. --- (2009): -.
- Mahdi Ghasemi Varnamkhasti, Seyed Saeid Mohtasebi, Hojat Ahmadi, Rodríguez Méndez M L , Siadat M , and Seyed Hadi Razavi. "Consistency assessment of bitterness sensory evaluation data for non-alcoholic beer." Research on Crops 6, no. 4 (2009): 736-739.
- Kaveh Mollazade , Hojat Ahmadi, Jalal Khorshidi , Ali Rajabi Pour, and Seyed Saeid Mohtasebi. "Moisture Dependent Physical and Mechanical Properties of Cumin Seed." International Journal of Agricultural and Biological Engineering 2, no. 2 (2009): 49-56.
- Hojat Ahmadi, Hamzeh Fathollahzadeh , and Hossein Mobli. "post harvest physical and mechanical properties of apricot fruits pits and kernels (CV Sonnati Salmas) cultivated in Iran." Pakistan Journal of Nutrition 8, no. 3 (2009): 264-268.
- Hojat Ahmadi, and Kaveh Mollazadeh . "Fault Diagnosis of Electro - Pump in Marine Ship Using Vibration Condition Monitoring." INSIGHT 51, no. 8 (2009): 431-432.
- Kaveh Mollazade , Hojat Ahmadi, Jalal Khorshidi , Seyed Saeid Mohtasebi, and Ali Rajabi Pour. "Some Physical and Mechanical Properties of Fennel Seed Foeniculum." The Journal of Agricultural Sciences 1, no. 1 (2009): -.
- Kaveh Mollazade, Hojat Ahmadi, Mahmoud Omid, and Reza Alimardani. "Vibration-Based Fault Diagnosis of Hydraulic Pump of Tractor Steering System by Using Energy Technique." Modern Applied Science 3, no. 6 (2009): 1-59.
- Kaveh Mollazade , Hojat Ahmadi, and Reza Alimardani. "Optimal design of rotary tiller’s rotor and width proportionate to tractor power using energy method." International Journal of Agricultural and Biological Engineering 2, no. 2 (2009): -.
- Kaveh Mollazade , and Hojat Ahmadi. "Bearing Fault Diagnosis of a Mine Stone Crasher by Vibration Condition Monitoring Technique." Research Journal of Applied Sciences, Engineering and Technology 1, no. 3 (2009): -.
- Hojat Ahmadi, and Kaveh Mollazade . "Determination of soya plant population using ndvi in the dashte naz agri industry." The Journal of Agricultural Sciences 1, no. 1 (2009): 112-120.
- Hojat Ahmadi, and کاوه ملازاده . "Determination and investigation of information technology parameters effective to food." Journal of Theoretical and Applied Information Technology 1, no. 1 (2009): -.
- Hojat Ahmadi, Kobra Hidarbihgy, Mahmoud Omid, and Ahmad Tabatabaei Far. "Fault diagnosis of Massey Ferguson gearbox using power spectral density." Journal of Agricultural Technology 1, no. 5 (2009): 6.
- Hojat Ahmadi, and Kaveh Mollazade . "An Oil Condition Monitoring Technique to Determine the Optimal Oil Type and Maintenance Schedule." Structural Health Monitoring 8, no. 4 (2009): 331-339 .
- Hojat Ahmadi, and Kaveh Mollazade . "Effect of Depth of Plowing and Soil Moisture Content on Reduced Secondary Tillage." International Agricultural Engineering Journal 2, no. 7 (2009): 1-9.
- Hojat Ahmadi, and Payman Salami . "application of information systems in electronic insurance." Research Journal of Information Technology 2, no. 1 (2009): 1-6.
- Hojat Ahmadi, and کاوه ملازاده . "APPLICATION OF REMOTE SENSING IN THE AGRICULTURAL LAND - USE ASSESSMENT." Journal of the Irish Dental Association 4, no. 3 (2009): -.
- M Omid , A Baharlooei , and Hojat Ahmadi. "modeling drying kinetics of pistachio nuts with multilayer feed forward neural." DRYING TECHNOLOGY 4, no. 4 (2009): 1069-1077.
- Kaveh Mollazade , Hojat Ahmadi, Ali Rajabi Pour, Seyed Saeid Mohtasebi, and Jalal Khorshidi . "MOISTURE - DEPENDENT PHYSICAL AND MECHANICAL PROPERTIES OF CUMIN ( CUMINUM CYMINUM L. ) SEED." International Journal of Agricultural and Biological Engineering 2, no. 2 (2009): -.
- Hojat Ahmadi, کاوه ملازاده , Mahmoud Omid, and Reza Alimardani. "Vibration Condition Monitoring of Hydraulic pumps Using Decision Trees and Fuzzy Logic Inference System." INSIGHT 2, no. 2 (2009): -.
- Hojat Ahmadi, and Meisam Nouri . "Beneficial effects of yttrium on mechanical failure and chemical stability of the passive film in 6061 aluminum alloy." JOURNAL OF MATERIALS SCIENCE 45, no. 13 (2009): 3426-3432.
- Kave Molazadeh , Hojat Ahmadi, Mahmoud Omid, and Reza Alimardani . "An intelligent model based on data mining and fuzzy logic for fault diagnosis of external gear hydraulic pumps." INSIGHT 51, no. 11 (2009): 594-600.
- Payman Salami , and Hojat Ahmadi. "Energy inpout and outpouts in a chickpea production system in Kurdistan iran." Affican crop science journal 18, no. 2 (2010): 51-57.
- Hojat Ahmadi, and Payman Salami . "Using Power Spectral Density for Condition Monitoring of Fan." Modern Applied Science 209, no. 4 (2010): 1.0.
- Payman Salami , Hojat Ahmadi, Alireza Keyhani, and Mohammad Sarsaifee . "Strawberry post - harvest energy losses in Iran." Researcher 4, no. 2 (2010): 67-73.
- Payman Salami , Hojat Ahmadi, Alireza Keyhani, and Asadollah Akram. "The effect of Botrytis Cinerea and Rhizopus Stolonifer on pre - harvest energy losses of strawberry production in Iran." AMERICAN JOURNAL OF SCIENCE 5, no. 6 (2010): 257-260.
- Alireza Keyhani, Hojat Ahmadi, and Payman Salami . "Estimating the Equivalent Energy for Single Super Phosphate Production in Iran." Journal of Scientific Review 2, no. 1 (2010): -.
- Kobra Heidabeigi , Hojat Ahmadi, and Mahmoud Omid . "Adaptive Vibration Condition Monitoring Techniques for Local Tooth Damage in Gearbox." Modern Applied Science 4, no. 7 (2010): 104-110.
- Payman Salami , Hojat Ahmadi, and Alireza Keyhani. "Estimating the energy indices and profitability of strawberry production in Kamyaran zone of Iran." Energy Research Journal 1, no. 1 (2010): 32-35.
- Payman Salami , and Hojat Ahmadi. "Review of Farm Management Information Systems FMIS." New York Science Journal 3, no. 5 (2010): 87-95.
- Hojat Ahmadi, and Peyman Salami . "Electro - pump Fault Diagnosis of Marine Ship by Vibration Condition Monitoring." Research Journal of Applied Sciences, Engineering and Technology 2, no. 3 (2010): 204-207.
- Hojat Ahmadi, and Payman Salami . "Determination of oil life for crane liebherr modell D 9408 diesel engine by oil condition monitoring." SCIENCE 6, no. 5 (2010): 136-141.
- Mehdi Ghasemi Varnamkhasti , Seyyed Saeed Mohtasebi , Maryam Siadat , Seyed Hadi Razavi, Hojat Ahmadi, and Amado Dickro Dodi . "Discriminatory power assessment of the sensor array of an electronic nose system for the aging detection of non alcoholic beer." CZECH JOURNAL OF FOOD SCIENCES 30, no. 3 (2010): 236-240 .
- Mohammad Hadi Dehrouyeh, Mahmoud Omid, Hojat Ahmadi, Seyed Saeid Mohtasebi, and Mohammad Jamzad . "Grading and Quality Inspection of Defected Eggs Using MachineVision." Advance Journal of Food Science and Technology 17, no. --- (2010): 23-30.
- Khoub Bakht G M , Hojat Ahmadi, and Asadollah Akram. "Determination of optimum life for MF285 tractor based on repair and maintenance costs : A case study in center region of Iran." Journal of Agricultural Technology 6, no. 4 (2010): 673-686.
- Payman Salami , Hojat Ahmadi, and Alireza Keyhani. "Energy use and economic analysis of strawberry production in sanandaj zone of Iran." Biotechnology, Agronomy and Society and Environment 14, no. 4 (2010): 651-651.
- Hojat Ahmadi, and Peyman Salami. "Determination of Oil Life for Crane Liebherr LHM 500g Model 301 by Oil Condition Monitoring." Research Journal of Applied Sciences, Engineering and Technology 21, no. 21 (2010): 23.
- Hojat Ahmadi, Dang Yong Li , Meisam Nouri , Dang Yang Lee , and Meisam Noori . "Effects of Yttria Addition on Microstructure, Mechanical Properties, Wear Resistance and Corrosive Wear Resistance of TiNi Alloy." Iranian Journal of Materials Science and Engineering 25, no. 5 (2011): -.
- Mahmoud Omid, Farideh Ghojabeige , Mojtaba Delshad, and Hojat Ahmadi. "Energy use pattern and benchmarking of selected greenhouses in Iran using data envelopment analysis." ENERGY CONVERSION AND MANAGEMENT 5, no. 6 (2011): 162-153.
- Hojat Ahmadi, پیمان سلامی , and Alireza Keyhani. "Comparison between landrace and breeding varieties for energy use of strawberry production in Iran." Florida International Journal 5, no. 5 (2011): -.
- Mahdi Ghasemi Varnamkhasti, Seyed Saeid Mohtasebi, M L Rodriguez Mendez , Mariam Siadat , Hojat Ahmadi, and Seyed Hadi Razavi. "Electronic and Bioelectronic Tongues two Promising Analytical Tools for the Quality Evaluation of Non Alcoholic Beer." TRENDS IN FOOD SCIENCE & TECHNOLOGY 22, no. 5 (2011): 245-248.
- Hasan Taghijarah , Hojat Ahmadi, Mohammad Ghahderijani , and Tavakoli . "Shearing characteristics of sugar cane ( Saccharum officinarum L. ) stalks as a function of the rate of the applied force." Australian Journal of Crop Science 5, no. 6 (2011): 630-634.
- Narges Banaeian , Mahmoud Omid, and Hojat Ahmadi. "IMPROVEMENT OF COST EFFICIENCY IN STRAWBERRY GREENHOUSES BY DATA ENVELOPMENT ANALYSIS." AGRICULTURA TROPICA ET SUBTROPICA 44, no. 3 (2011): 144-151.
- Hojat Ahmadi, اشکان موسویان , and Ahmad Tabatabaei Far. "Application of Support Vector Machine and Artificial Neural Network on Fault Diagnosis of Journal - Bearing." International Journal of Advances in Management, Technology & Engineering Sciences 3, no. 4 (2011): -.
- Hojat Ahmadi, پیمان سلامی , and Alireza Keyhani. "The effect of land size on total input energy of strawberry production in Iran." Agricultural Sciences & Technology Journal 3, no. 5 (2011): -.
- Hojat Ahmadi, and Meisam Nouri . "Effects of Yttrium Addition on Microstructure Hardness and Resistance to Wear and Corrosive Wear of TiNi Alloy." JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 27, no. 9 (2011): 851-855.
- Behzad Bagheri , Hojat Ahmadi, and Reza Labaffi . "Implementing discrete wavelet transform and artificial neural networks for acoustic condition monitoring of gearbox." MECHANICAL ENGINEERING 35, no. --- (2011): -.
- Hojat Ahmadi, کاوه ملازاده , and پیمان سلامی . "Evaluation of whole body vibration exposure in combine drivers in Iran." CCSE 4, no. 7 (2011): -.
- Saeid Farokhzad , Hojat Ahmadi, Ali Jafari, Mohammad Reza Asadi Asad Abad , and Mohammad Ranjbar Kohan . "Artificial neural network based classification of faults in centrifugal water pump." Journal of Vibroengineering 14, no. 4 (2012): 17-34.
- Hojat Ahmadi, and Zeynab Khaksar. "Electromotor and Pump Fault Diagnosis of NAJI Fire Pump by Using Power Spectral Density." International Journal of Advances in Management, Technology & Engineering Sciences 2, no. --- (2012): -.
- Seyed Majid Sajadiye , Hojat Ahmadi, Seyed Mostafa Hosseinalipour , Seyed Saeid Mohtasebi, Mohammad Layeqi, Younes Mostoufi, and Amir Raja . "Evaluation of a Cooling Performance of a Typical Full Loaded Cool Storage using Mono - Scale CFD Simulation." Modern Applied Science 6, no. 1 (2012): 102-119.
- Hojat Ahmadi, Ashkan Moosavian , and Meghdad Khazaee . "An Appropriate Approach for Misalignment Fault Diagnosis Based on Feature Selection and Least Square Support Vector Machine." International Journal of Mechanics 6, no. 2 (2012): 97-103.
- Mahmood Baghban Taraghdari , Mohammad Reza Asadi Asad Abad , Hojat Ahmadi, Masoumeh , Shirali Shir Ali , and Fatemeh Mohagheghzadeh . "Development of Biomass Energy in Iran." International Journal of Advanced Scientific and technical Research 1, no. 2 (2012): 235-241.
- Hojat Ahmadi, and Zeinab Khaksar . "Using Power Spectral Density for Condition Monitoring of Naji Crane Hydraulic Pump." International Journal of Advances in Engineering Sciences and Applied Mathematics 6, no. 1 (2012): 1-9.
- Hojat Ahmadi, and Zeinab Khaksar . "Industrial Water Pump Condition Monitoring by Using Time Signal Analysis and Fault Probability Distribution Function." Journal of Electromotion 1, no. 1 (2012): 7-11.
- Kamran Kheiralipour, Hojat Ahmadi, Ali Rajabi Pour, Shahin Rafiei, and Mohammad Javan-nikkhah. "Evaluating different thermal imaging treatments to classify health and infected pistachio by Aspergillus flavus in different growing steps using compare mean ANOVA." International Journal of Advances in Management, Technology & Engineering Sciences 1, no. 6 (2012): 83-87.
- Kamran Kheiralipour, Hojat Ahmadi, Ali Rajabi Pour, Shahin Rafiei, and Mohammad Javan-nikkhah. "Determining the total emissivity of pistachio." International Journal of Advances in Management, Technology & Engineering Sciences 6, no. 1 (2012): -.
- محمد پوزش , سید سعید محتسبی , Hojat Ahmadi, and عباس عساکره . "Determining the reliability function of farm tractors." Project Management Journal 6, no. 6 (2012): -.
- Mahmood Baghban Taraghdari , Esmaeil Fotuhie , Hassan Aryamanesh , Hojat Ahmadi, and Mohammad Reza Asadi Asad Abad . "Development of Solar Energy in Iran." advances in environmental biology 6, no. 7 (2012): 2195-2202 .
- اشکان موسویان , Hojat Ahmadi, and Ahmad Tabatabaei Far. "Vibration based fault diagnosis of journal bearing of engine by using support vector machine." inter. journal of advanced management technology engineering science 6, no. 1 (2012): 1-5.
- Hojat Ahmadi, Ashkan Mosaviyan, and Ahmad Tabatabaei Far. "Journal-bearing fault detection based on vibration analysis using feature-2." Elixir International journal 49, no. 20 (2012): 969.
- Mohammad Poozesh, Seyed Saeid Mohtasebi, Hojat Ahmadi, and . "Determining the reliability function of farm tractors-2." INTERNATIONAL JOURNAL OF PROJECT MANAGEMENT 47, no. 4 (2012): 90.
- Hojat Ahmadi, Ashkan Mosaviyan, and Meghdad Khazaei. "COMPRESSOR CONDITION MONITORING BASED ON MULTICLASS." International Journal of Engineering and Technology 12, no. 23 (2012): 479.
- Banaeian Narges , Mahmoud Omid, and Hojat Ahmadi. "Greenhouse strawberry production in Iran efficient or inefficient in energy." Energy Efficiency 5, no. 2 (2012): -.
- Mohammad Poozesh, Seyed Saeid Mohtasebi, Hojat Ahmadi, and Abbas Asa;ereh. "Determination appropriate time for farm tractors replacement based on economic analysis." Elixir International journal 47, no. 1 (2012): 8684-8688.
- Hojat Ahmadi, Meghdad Khazaei, Mahmoud Omid, , and Majid Khazai. "Vibration condition monitoring of planetary gears based on decision level data fusion using Dempster-Shafer theory of evidence-2." Journal of Vibroengineering 14, no. 2 (2012): 838.
- Hojat Ahmadi, and Zeynab Khaksar. "2-Fault Diagnosis in Electromotor Pumps using Vibration Analysis." Journal of Electromotion 1, no. 1 (2012): 4.
- Hojat Ahmadi, Ashkan Mosaviyan, and Ahmad Tabatabaei Far. "Fault diagnosis of main engine journal bearing based on vibration analysis using Fisher linear discriminant, K-nearest neighbor and support vector machine." Journal of Vibroengineering 2, no. 14 (2012): 56.
- Hojat Ahmadi, Kamran Kheiralipour, Ali Rajabi Pour, and Shahin Rafiei. "Investigating-2 on total emissivity of pistachio kernel using." Journal of Agricultural Science and Technology 11, no. 1 (2012): 435.
- Ashkan Musaviyan , Hojat Ahmadi, Seyed Ahmad Tabatabei , A Moosavian , and Ahmad Tabatabaei Far. "Condition monitoring of engine journal-bearing using power spectral density and support vector machine." MECHANICAL ENGINEERING 2, no. 4 (2012): -.
- Hojat Ahmadi, Ashkan Mosaviyan, Ahmad Tabatabaei Far, and . "AN APPROPRIATE PROCEDURE FOR DETECTION OF JOURNAL-BEARING FAULT USING POWER SPECTRAL DENSITY, K-NEAREST NEIGHBOR AND SUPPORT VECTOR MACHINE-2." International Journal on Smart Sensing and Intelligent Systems 5, no. 3 (2012): 684.
- Hojat Ahmadi, Ashkan Mosaviyan, and Ahmad Tabatabaei Far. "Journal-bearing fault detection based on vibration analysis using feature selection and classification techniques." Control Engineering Practice 34, no. 49 (2012): 234.
- Hojat Ahmadi, Ashkan Mosaviyan, and Ahmad Tabatabaei Far. "AN APPROPRIATE PROCEDURE FOR DETECTION OF JOURNAL-BEARING FAULT USING POWER SPECTRAL DENSITY, K-NEAREST NEIGHBOR AND SUPPORT VECTOR MACHINE." International Journal on Smart Sensing and Intelligent Systems 23, no. 6 (2012): 231.
- Hasan Taghijarah , Hojat Ahmadi, Rasoul Hematian , and Meysam Sattari Najaf Abadi . "Comparison of mechanical properties between two varieties of sugar cane stalks." MECHANICAL ENGINEERING 22, no. 42 (2012): -.
- Payam Farhadi, Reza Alimardani, , and Hojat Ahmadi. "Effect of Vertical Load and Inflation Pressure of Off Road Vehicle on Compaction and Motion resistance ratio-2." International Journal of Agriculture and Crop Sciences (IJACS) 13, no. 5 (2013): 565.
- Payam Farhadi, , Reza Alimardani, and Hojat Ahmadi. "Design and Fabrication of a Single Wheel Tester." Journal of Science and today's world 2, no. 2 (2013): 43.
- Hojat Ahmadi, and Zeynab Khaksar. "Fault Diagnosis in Electromotor Pumps using Vibration Analysis-2." Journal of Electronic Systems 1, no. 2 (2013): 1.
- Hojat Ahmadi, Ehsan-allah Etefaghei, , and Seyed Saeid Mohtasebi. "Preparation of Oil Based Nano Fluid from Multi-Walled Carbon Nanotubes and Engine Oil as Nano Lubricant." INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER 23, no. 23 (2013): 12.
- Hojat Ahmadi, and Zeynab Khaksar. "Electromotor and Pump Fault Diagnosis of NAJI Fire Pump by Using Power Spectral Density-2." International Journal of Advances in Management, Technology & Engineering Sciences 1, no. 6 (2013): 66.
- Hojat Ahmadi, Ashkan Mosaviyan, and Ahmad Tabatabaei Far. "Vibration based fault diagnosis of journal bearing of engine by using support vector machine-2." International Journal of Advances in Management, Technology & Engineering Sciences 1, no. 6 (2013): 1.
- Hojat Ahmadi, Ehsan Ollah Ettefaghi, Alimorad Rashidi, Seyed Saeid Mohtasebi, and Amideddin Nouralishahi. "Surveying and Comparing Thermal Conductivity and Physical Properties of Oil Base Nanofluids Containing Carbon and Metal Oxide Nanotubes." Journal of Nanostructures 2, no. 4 (2013): 405-412.
- Payam Farhadi, , Reza Alimardani, and Hojat Ahmadi. "Evaluation of soil-tire interaction on a soil bin-2." Agricultural Engineering International: CIGR Journal 15, no. 1 (2013): 37.
- Hojat Ahmadi, Saeid Farokhzad, and Ali Jafari. "FAULT CLASSIFICATION OF CENTRIFUGAL WATER PUMP BASED ON DECISION TREE AND REGRESSION MODEL." Journal of Science and today's world 2, no. 3 (2013): 21.
- , Ali Mohammad Borghei , Hojat Ahmadi, , and . "Fuzzy logic based classification of faults in the mechanical differential." Journal of Vibroengineering 1, no. 15 (2013): 235.
- Mahmoud Omid, Mahmoud Soltani, Mohammad Hadi Dehrouyeh, Seyed Saeid Mohtasebi, and Hojat Ahmadi. "An Expert Egg Grading System Based on Machine Vision and Artificial Intelligence Techniques." JOURNAL OF FOOD ENGINEERING 118, no. 1 (2013): 70-77.
- Ehsan Ollah Ettefaghi, Hojat Ahmadi, Alimorad Rashidi, , and Mahshad Alaei. "Experimental Evaluation of Engine Oil Properties Containing Copper Oxide Nanoparticles as a Nanoadditive." International Journal of Industrial Chemistry 4, no. 1 (2013): 1-6.
- Ehsan-allah Etefaghei, Hojat Ahmadi, , Seyed Saeid Mohtasebi, and Mahshad Alaei. "Experimental Evaluation of Engine Oil Properties Containing Copper Oxide Nanoparticles as a Nanoadditive-2." International Journal of Industrial Chemistry 4, no. 28 (2013): 36.
- سعیده صابری تقدمی , Mahmoud Omid, Zahra Emam Jomeh, and Hojat Ahmadi. "Estimation of sweet cherry antioxidant activity and anthocyanin content during ripening by artificial neural networkassisted image processing technique." INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 48, no. 2 (2013): -.
- Ehsan Ollah Ettefaghi, Hojat Ahmadi, , and Seyed Saeid Mohtasebi. "Investigation of the Anti-wear Properties of Nano Additives on Sliding Bearings of Internal Combustion Engines." International Journal of Precision Engineering and Manufacturing 14, no. 5 (2013): 805-809.
- Kamran Kheiralipour, Hojat Ahmadi, Ali Rajabi Pour, Shahin Rafiei, Mohammad Javan-nikkhah, and D. S. Jayas. "Development of a New Threshold Based Classification Model for Analyzing Thermal Imaging Data to Detect Fungal Infection of Pistachio Kernel." AGRICULTURAL RESEARCH 2, no. 2 (2013): 127-131.
- , , and Hojat Ahmadi. "Effect of Vertical Load and Inflation Pressure of Off Road Vehicle on Compaction and Motion resistance ratio." International Journal of Agriculture and Crop Sciences (IJACS) 2, no. 3 (2013): 45.
- Meghdad Khazaei, Hojat Ahmadi, Mahmoud Omid, Ashkan Mosaviyan, and Ali Banakar. "Feature-level fusion based on wavelet transform and Artificial Neural Network for fault diagnosis of planetary gearbox using acoustic and vibration signals." INSIGHT 55, no. 6 (2013): 323.
- , Hojat Ahmadi, Ashkan Mosaviyan, Meghdad Khazaei, , and مسعود محمدی . "Discrete wavelet transform and artificial neural network for gearbox fault detection based on acoustic." Journal of Vibroengineering 1, no. 15 (2013): 234.
- Hojat Ahmadi, Ehsan-allah Etefaghei, , and Seyed Saeid Mohtasebi. "Preparation and thermal properties of Oil Based Nano Fluid from Multi-Walled Carbon Nanotubes and Engine Oil as Nano Lubricant." INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER 46, no. 12 (2013): 142.
- Meghdad Khazaei, Hojat Ahmadi, Mahmoud Omid, , and Majid Khazai. "Classifier fusion of vibration and acoustic signals for fault diagnosis and classification of planetary gears based on Dempster–Shafer evidence theory-2." PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING 4, no. 4 (2014): 12.
- حجت احمدی، سمیه نظری و نیکروز باقری . "امکان سنجی کاربرد کار مجازی در زیر بخش های کشاورزی." زیباشناخت -، 183 (1386): -.
- حجت احمدی، علیرضا مستعلی و احمد طباطبائی فر. "2-شناسایی محصولات ذرت و سویا و برآورد سطح زیر کشت به کمک تصاویر ماهواره ای در کشت و صنعت دشت نازساری." BIOSYSTEMS 5، 6 (1389): 23.
- رضا اسدی، سیدعلی محمد برقعی، حجت احمدی، سعید مینایی و بابک بهشتی. "پایش وضعیت دیفرانسیل تراکتور مسی فرگوسن 285 به کمک آنالیز صدا." BIOSYSTEMS ENGINEERING 1، 1 (1392): 21.
مقالات چاپ شده در نشریات داخلی
- Hojat Ahmadi, and Kave Mollazadeh . "Oil condition monitoring technique for fault diagnosis on Crane Liebherr LHM - 1200." International Journal of Applied Engineering Research 1, no. --- (2009): -.
- محمد پوزش , سید سعید محتسبی , Hojat Ahmadi, and عباس عساکره . "Determination of appropriate time for farm tractors replacement based on economic analysis." Control Engineering 6, no. 8 (2012): -.
- Ashkan Moosavian , Hojat Ahmadi, and Ahmad Tabatabaei Far. "Journal - bearing fault detection based on vibration analysis using feature selection and classification techniques." Control Engineering -, no. --- (2013): -.
- Hojat Ahmadi, and Mohhamad Reza Asadi. "Development of Biomass Energy in Iran-2." International Journal of Advanced Research in Engineering and Applied Sciences 2, no. 1 (2013): 235.
- محمدرضا قاسمیبوسجین ، سیدسعید محتسبی، حجت احمدی، سید احمد طباطبایی ، سیدعلی محمد برقعی و علیرضا مستعلی . "بررسی و تحلیل دینامیکی عملکرد مبدل گشتاور." مجله تحقیقات مهندسی کشاورزی 9، 2 (1378): 127-136.
- حجت احمدی. "روش پیشگویانه نگهداری و تعمیرات مبتنی بر نظارت وضعیت." جهاد (ترویج کشاورزی و توسعه روستایی) 2، 4 (1386): 4.
- محمد قاسمی ، سعید محتسبی ، منصور بهروزی لار و حجت احمدی. "بررسی و آنالیز دینامیکی عملکرد تورک کنواتور." مجله تحقیقات مهندسی کشاورزی 5، 3 (1387): -.
- احمد بهارلوئی، محمود امید، حجت احمدی و شاهین رفیعی. "پیش ببنی محتوای رطوبتی پسته رقم اکبری با شبکه عصبی مصنوعی." پژوهش های علوم و صنایع غذایی ایران 3، 1 (1387): 45-56.
- حجت احمدی. "مقایسه مکانی روش رایج پخش کود سانتریفوژبا روش ماشین های پخش متغیرVRT از نظر کمی و کیفیکشاورزی دقیق." مجله تحقیقات مهندسی کشاورزی 1، 1 (1387): 1-1.
- حجت احمدی، علیرضا مستعلی، سیدعلی محمد برقعی و احمد طباطبائی فر. "تخمین و بررسی میزان تراکم و پراکنش گیاه ذرت در واحد سطح به روش سنجش از دور در کشت و صنعت دشت ناز ساری." مجله علوم زراعی ایران - انجمن علوم زراعت و اصلاح نباتات 1، 2 (1388): -.
- حجت احمدی، حسن رحیمی ، عباس سروش و عبدالحسین هورفر. "اثر نرخ کرنش بر تغییرات فشار آب منفذی در آزمایش تحکیم با نرخ کرنش ثابت." تحقیقات آب و خاک ایران 41، 1 (1389): 69-78.
- نیکروز باقری، حجت احمدی، محمود امید و سیدکاظم علوی پناه. "تهیه نقشه تغییرات نیتروژن محصول ذرت علوفه ای مبتنی بر تصاویر ماهواره ای." مجله مهندسی بیوسیستم ایران 42، 1 (1390): 103-111.
- حجت احمدی، حسین مبلی، شاهین رفیعی، عباس اکبرنیا و نسیبه ایزدیخواه . "اثرات سرعت دورانی خردکن چکشی دما و زمان هم زدن بر کمیت و کیفیت روغن زیتون رقم روغنی." مجله تحقیقات مهندسی کشاورزی 12، 1 (1390): 71-82.
- حجت احمدی و دینا علیزداه. "پایش وضعیت موتور دیزل با تحلیل روغن به روش منطق فازی." تحقیقات موتور 4، 5 (1390): 67.
- حجت احمدی و محمد آتشک. "نیازسنجی آموزش های فنی و حرفه ای مرتبط با زیست فناوری در سازمان آموزش فنی و حرفه ای ایران." مطالعات برنامه ریزی آموزشی - دانشگاه مازندران با همکاری انجمن آموزش عالی ایران 1، 1 (1391): 161.
- کامران خیرعلیپور، حجت احمدی، شاهین رفیعی، علی رجبی پور و محمد جوان نیکخواه. "فناوری گرمانگاری و کاربرد آن در اتوماسیون کشاورزی." هوش مصنوعی و ابزار دقیق 1، 28 (1391): 42-52.
- وحیدرضا وردی نژاد ، حامد ابراهیمیان طالشی و حجت احمدی. "ارزیابی عملکرد زهکشی زیرزمینی با استفاده از مدل SWAP ( مطالعه موردی شبکه زهکشی ران به شهر )." نشریه آب و خاک 26، 5 (1391): 1257-1267.
- حجت احمدی، احسان اله اتفاقی، علیمراد رشیدی، سیدسعید محتسبی و رضا سلطانی. "بررسی تاثیر نانوذرات روی خواص روغن موتور و میزان عملکرد آن در کاهش سایش." تحقیقات موتور 7، 24 (1391): 3-12.
- حجت احمدی و دینا علیزداه. "پایش وضعیت موتور دیزل با تحلیل روغن به روش منطق فازی-2." تحقیقات موتور 19، 6 (1391): 4.
- حجت احمدی. "نتایج پایش وضعیت ارتعاشی و حرارتی لایروب هویزه-2." پیام دریا 12، 12 (1391): 23.
- نیکروز باقری ، حجت احمدی، سیدکاظم علوی پناه، محمود امید و کریم گرامی . "طراحی و ساخت سامانه پاشش نرخ متغیر کود نیتروژن مایع نقشه مبنا." مجله تحقیقات مهندسی کشاورزی 13، 4 (1391): -.
همایشهای بینالمللی
- Hojat Ahmadi. "/ Effected of Depth of Plowing and Soil Moisture Content Reduced Secondary Tillage for Planting Vegetables.." 6th International Symposium on Fruit, Nut, and Vegetable Production Engineering,.
- Hojat Ahmadi. "Designing and Building of Walnut Harvester Machine.." 3th International Conference, EFITA 2001, Montepellier.
- Hojat Ahmadi, Mansour Behrozi Lar, and . "Effects of Different Rotary Speeds and Moisture Contents on Wear and Corrosive Wear of Aluminide Coating Modified with Yttrium for Use in Wheat Storage Bins.." Conference NABEC 2002, Quebec City.
- Hojat Ahmadi, and Ali Mohammad Borghei . "Application of Aluminide Coatings Modified with Yttrium for Protecting Pipeline Bends from Erosion in Wheat Storage Bins." International Conference on Agricultural Engineering, AgEng2002, Budapest.
- Hojat Ahmadi, and . "Beneficial Effects of Yttrium on Mechanical Properties and High-temperature Wear Behavior of Aluminide Coating on 1045 Steel." 14th International Conference on Wear of Materials, Washington.
- Hojat Ahmadi. "Determination and Investigation of Information Technology Parameters Effective to Precision Agriculture Development." FRUTIC 05, 7th Fruit, Nut and Vegetable Production Engineering Symposium, Information and Technology for Sustainable Fruit and Vegetable Production, Montepellier.
- Hojat Ahmadi. "Determination and investigation of information technology parameters effective to food industery development." International clinical nutritrion conference of 8th IUNS and 5th APCNS, Hangzhou.
- Hojat Ahmadi, and Ali Mohammad Borghei . "Application of aluminide coating modified with yttrium for protecting corn post harvest processing equipments from erosion in food industries." International clinical nutrition conference of 8th IUNS and 5th APCNS, Hangzhou.
- Hojat Ahmadi. "Effects of IT parameters on registration organization development." 1th CISN, Tehran.
- Hojat Ahmadi. "Oil Condition Monitoring Technique for Fault Diagnosis on Crane Liebherr LHM-1200." European conference on Tribology, ECOTRIB 2007, Ljubljana.
- Hojat Ahmadi. "Practical Approach to Choose Best Oil for Dump Truck HD325-5 by Oil Condition Monitoring Technique." European conference on Tribology, ECOTRIB 2007, Ljubljana.
- Hojat Ahmadi. "A Practical Approach to Electromotor Fault Diagnosis of Mahshahr Silo by Vibration Condition Monitoring." European conference on Tribology, ECOTRIB 2007, Ljubljana.
- Hojat Ahmadi, Seyed Saeid Mohtasebi, and Hosna Mohammadi Monavar. "Vibration Condition Monitoring Techniques for Fault Diagnosis of Electromotor." European Conference on Tribology, Ljubljana.
- Hojat Ahmadi. "Designing and building of walnut harvester machine." 6th international symposium held in potsdam 2001, Potsdam.
- Hojat Ahmadi, , , and . "Effected of Depth of Plowing and Soil Moisture Content Reduced Secondary Tillage." 4th European Conference on Precision Agriculture, Berlin.
- Hojat Ahmadi, Hasan Rahimi, and Jamal Abdollahi Ali Beik. "Investigation for Optimizing the Location of Contraction-Expansion Joints in a Concrete Canal Lining." Eleventh International Conference on Civil, Structural and Environmental Engineering Computing,, Milan.
- Hojat Ahmadi. "Fault Diagnosis of Belt Conveyor Electromotor in Emam Khomeyni Silo by Vibration Condition Monitoring." 4th International Conference on Maintenance, Tehran.
- Hosna Mohammadi Monavar, Hojat Ahmadi, and Seyed Saeid Mohtasebi. "Prediction of Defects in Misalignment Shaft Using Vibration Signal Analysis." 4th International Conference on Maintenance, Tehran.
- Hojat Ahmadi. "Electromotor Fault Diagnosis of Stone Crasher in Pirbakran Mineral Mine by Vibration Condition Monitoring." 4th International Conference on Maintence, Tehran.
- Hojat Ahmadi. "Bearing Fault Diagnosis of Stone Crasher in Pirbakran Mineral Mine by Vibration Condition Monitoring." 4th International Conference on Maintenance, Tehran.
- , , , and Hojat Ahmadi. "Some physical and mechanical properties of iranian wild pistachiopistachio mutica L." 5th international crop sience congerss exhibitionICSC2008, Jeju.
- Hojat Ahmadi, and . "ESTIMATION CORN POPULATION USING REMOTE SENSING BY METHOD NDVI IN DASHT-E-NAZ AGRI-INDUSTERY." ICGIS-2008, Istanbul.
- Hojat Ahmadi, and . "ASSESSMENT LAND-USE USING REMOTE SENSING IN DASHT-E-NAZ AGRI-INDUSTERY." ICGIS-2008, Istanbul.
- Hojat Ahmadi. "CORN AND SOYA RECOGNITION USING REMOTE SENSING IN DASHT-E-NAZ AGRO-INDUSTERY." ICGIS-2008, Istanbul.
- Hojat Ahmadi. "DETERMINATION OF SOYA PLANT POPULATION USING NDVI IN DASHT-E-NAZ AGRI-INDUSTRY." ICGIS-2008, Istanbul.
- Hojat Ahmadi, , and Mahmoud Omid. "Fault diagnosis of massey ferguson gearbox using power spectral density." International conference on electrical machines,.
- Hojat Ahmadi. "Bearing Condition Monitoring By Power Spectral Densitty." 5th IRCM, Tehran.
- Hojat Ahmadi. "Choos Best Oil Replacement Time for Crane LIEBHERRLHM1200-HD by Oil Condition Monitoring." 5th IRCM, Tehran.
- Hojat Ahmadi. "Fault Diagnosis of Belt Transmition Electromotor By Vibration Condition Monitoring." 5th IRCM, Tehran.
- Hojat Ahmadi. "Electromotor Fault Diagnosis Using Power Spectral Density." 5th IRCM, Tehran.
- Hojat Ahmadi, , Asadollah Akram, and . "determination of optimum life for MF285 tractor noticing repair and maintenance cost." 5th IRCM, Tehran.
- , Hojat Ahmadi, Asadollah Akram, and . "Determination of optimum life for MF285 tractor noticing repair and maintenance cost." 5th International Conference on Maintenance, Tehran.
- Mahmoud Omid, , Hojat Ahmadi, and Shahin Rafiei. "A Comparative Study among Regression Analysis and Neural Network to Estimate Dynamic Drying Behavior of Pistachio Nuts." ICFPTE08, Bangkok.
- Hojat Ahmadi, , Reza Alimardani, and Mahmoud Omid. "Application of J48 algorithm for gear tooth fault diagnosis of tractor steering hydraulic pump." ECOTRIB 2009-2nd European Conf on Tribology, Pisa.
- Hojat Ahmadi, and . "Investigation and determination of oil repleacement time by oil condotion monitoring foe transtainer crane model 041." ECOTRIB2009, Pisa.
- Hojat Ahmadi, and . "Journal bearing fualt diagnosis of an external gear hydraulic pump using power spectral density." ECOTRIB2009, Pisa.
- Hojat Ahmadi. "Using power Spectral density for condition monitoring of fan." ECOTRIB2009, Pisa.
- Hojat Ahmadi. "Electro-Pump fault diagnosis of marin ship by vibration condition monitoring." ECOTRIB2009, Pisa.
- Hojat Ahmadi. "The effective of yttria addition on microstructure mechanical properties wear and corrosive wear resistancence of tini alloy." ECOTRIB2009, Pisa.
- Hojat Ahmadi. "Determination oil life crane lebherr lhm 500g model 301 by oil condition monitoring." ECOTRIB2009, Pisa.
- , Asadollah Akram, and Hojat Ahmadi. "Analysis of milk production cost in dairy farms industrial of iran." EE&AE2009-International Scientific Conference,.
- Hojat Ahmadi, and . "The Impact of Information Technology Indexes on Sustainable Agriculture and Economic Social Political Context." Scientific Conference with International Participation Sustainable Agriculture Engineering, Sofia.
- Hojat Ahmadi, and . "Relationship between Information Technology Indexes and Sustainable Agriculture and Plant Production Practices." Scientific Conference with International Participation Sustainable Agriculture Engineering, Sofia.
- Hojat Ahmadi, and . "The Effective of Information Technology Indexes on Sustainable Agriculture and Natural Resources." Scientific Conference with International Participation Sustainable Agriculture Engineering, Sofia.
- Hojat Ahmadi, and . "Determination and Investigation of Information Technology Parameters Effective on Sustainable Agriculture and Animal Production Practices." Scientific Conference with International Participation Sustainable Agriculture Engineering, Sofia.
- , Shahin Rafiei, Hojat Ahmadi, , and . "Energy Consuming in Dry Farming Wheat in Koohdasht County of Iran. , Bangkok, Thailand, 7 – 10 Deceber.." International Agricultural Engineering Conference, Bangkok.
- , Alireza Keyhani, Hojat Ahmadi, , and . "Energy consumption pattern and economic efficiency of dry farming chickpea in Koohdasht county Iran." International Agricultural Engineering Conference, Bangkok.
- , Shahin Rafiei, Hojat Ahmadi, , and . "Energy Consumption Pattern and Economic Efficiency of Dry Farming Chickpea in Koohdasht County Iran." International Agricultural Engineering Conference, Bangkok.
- , Hojat Ahmadi, and . "Investigation of Moisture-dependent Physical and Chemical Properties of Red Lentil cultivated in Iran." International Agricultural Engineering Conference Bangkok, Bangkok.
- , Khalil Kalantari, , Hojat Ahmadi, and . "Survey Effective Factors on Using Of Organic Methods in Iran: A Case Study Rice Cropping Farmers in Babol County." International Agricultural Engineering Conference, Bangkok.
- Hojat Ahmadi, , , and Ahmad Tabatabaei Far. "Investigation on Some Engineering Properties of wild pistachio of IlamIran." International Agricultural Engineering Conference Bangkok Thailand 7 10 December 2009, Bangkok.
- , , , and Hojat Ahmadi. "InputOutput Energy Analysis in Apple Production A Case Study ofEsfahan Province Iran." International Agricultural Engineering Conference, Bangkok.
- Hojat Ahmadi, , , and . "Fuzzy-Rule-Based Faults Classification of Gearbox of MF 285Tractor." 4th Condition Monitoring Fault Diagnosis ConferenceMarch 2010 Sharif University of Technology Tehran Iran, Tehran.
- Hojat Ahmadi, , and Mahmoud Omid. "Vibration condition monitoring techniques for fault diagnosis oftractor gearbox." 4th Condition Monitoring Fault Diagnosis Conference, Tehran.
- Hojat Ahmadi, and Mahmoud Omid. "Intelligent condition monitoring of Tractor Gearbox usingartificial neural network." 4th Condition Monitoring Fault Diagnosis Conference, Tehran.
- Hojat Ahmadi, , and . "A Practical Work for Fault Classification of Electromotor of SAR-2 Hydraulic Pump by an Intelligent Combined Method Based on Data Mining and Fuzzy Logic." 6th IRCM, Tehran.
- Hojat Ahmadi, , and . "Predicting the amount of Particle Quantifier in Oil by ANFIS." 6th IRCM, Tehran.
- Hojat Ahmadi, , and . "Fault Diagnosis of Electromotor of SAR-7 Hydraulic Pump by an Intelligent Combined Method Based on k-Nearest Neighbor and Improved Distance Evaluation." 6th IRCM, Tehran.
- Hojat Ahmadi, , and . "Data mining based on statistical parameters to improve fault diagnosis accuracy." 6th IRCM, Tehran.
- Mahmoud Omid, and Hojat Ahmadi. "Energy use pattern and benchmarking of greenhouse strawberry by data envelopment analysis." 8th Intl Conf. on DEA, Beirut.
- Hojat Ahmadi, and . "Prediction of Defects in Roller Bearings using Artificial Neural Network Classifier." ICADIWT 2010, Istanbul.
- Hojat Ahmadi, , and . "A Practical Approach for Fault Diagnosis of Electromotor of SAR-7 Hydraulic Pump by an Intelligent Combined Method Based on Data Mining and Improved Distance Evaluation." ICADIWT 2010, Istanbul.
- Hojat Ahmadi, , and . "Data mining based on statistical parameters to improve accuracy of fault classification of SAR-1 outboard fire pump by neural network." ICADIWT 2010, Istanbul.
- Hojat Ahmadi, , and . "Application of data mining and feature extraction on intelligent fault diagnosis by artificial neural network and k-nearest nierhbor." ICEM2010, Rome.
- Hojat Ahmadi, and . "Using Fault Probability Distribution Function for Condition Monitoring of Naji Crane Hydraulic Pump." The Second Iran International Conference on Industrial, Tehran.
- Hojat Ahmadi, , Mahmoud Omid, and Ali Rajabi Pour. "Acoustic Condition Monitoring of MF285 Gearbox by Wavelet Transform and Artificial Neural Network." The Second Iran International Conference on Industrial, Tehran.
- Hojat Ahmadi, and . "GHYIAM PUMP FAULT DIAGNOSIS BY USING POWER SPECTRAL DENSITY." The Second Iran International Conference on Industrial, Tehran.
- Hojat Ahmadi, and . "FAULT DIAGNOSIS OF GHYIAM ELECTROMOTOR BY USING POWER SPECTRAL DENSITY." The Second Iran International Conference on Industrial, Tehran.
- Hojat Ahmadi, , and . "MODELING OF PARTICLE QUANTIFIER INDEX IN OIL ENGINE OF MF 285 TRACTORS BASED ON RESULT OF ATOMIC EMISSION SPECTROSCOPY TEST." 3rd European Conference on Tribology June 7-9 2011 Vienna Austria, Vienna .
- Hojat Ahmadi, , , Mahmoud Omid, and Ali Rajabi Pour. "ACOUSTIC FAULT DIAGNOSIS OF MF285 GEARBOX BY ARTIFICIAL NEURAL NETWORKS AND K-NEAREST NEIGHBOUR." 3rd European Conference on Tribology June 7-9 2011 Vienna Austria, Vienna .
- Hojat Ahmadi. "CLASSIFICATION OF FAULTS IN TRACTOR GEARBOX WITH NEURAL NETWORKS." 3rd European Conference on Tribology June 7-9 2011 Vienna Austria, Vienna .
- Hojat Ahmadi, and . "Condition Monitoring Electromotor of Naji Crane Hydraulic Pump." 7th IRMC, Tehran.
- Hojat Ahmadi, and . "MECHANICAL AND TRIBOLOGICAL PROPERTIES OF 6061 ALUMINIUM ALLOY MODIFIED WITH YTTRIUM." 3rd European Conference on Tribology June 7-9 2011 Vienna Austria, Vienna .
- Hojat Ahmadi. "EFFECTS OF YTTRIA ON MECHANICAL FAILURE AND CHEMICAL STABILITY OF THE PASSIVE FILM IN TiNi ALLOY." 3rd European Conference on Tribology June 7-9 2011 Vienna Austria, Vienna .
- Hojat Ahmadi, and . "Belt Conveyor Electromotor Fault Diagnosis by Using Fault Probability Distribution Function." 7Th IRMC, Tehran.
- Reza Labbafi, Hojat Ahmadi, Behrad Bagheri, Seyed Saeid Mohtasebi, Ali Rajabi Pour, and Meghdad Khazaei. "FAULT CLASSIFICATION OF PLANETARY GEARS BASED ON DECISION TREE AND REGRESSION MODEL." 3rd European Conference on Tribology June 7-9 2011 Vienna Austria, Vienna .
- Reza Labbafi, Hojat Ahmadi, Behrad Bagheri, Seyed Saeid Mohtasebi, Ali Rajabi Pour, and Meghdad Khazaei. "Fault Classification of Plant Array Gears Based on Decision Tree and Regression Model." 3rd European Conference on Tribology, Vienna .
- , Hojat Ahmadi, Seyed Saeid Mohtasebi, Ali Rajabi Pour, and . "Fault Diagnosis of Planetary Gearbox by Look Up Scheme and Fast Fourier Transform." 7th Conference on Maintenance, Tehran.
- , Seyed Kazem Alavi Panah, and Hojat Ahmadi. "Using multi spectral remotesensing for determination of nitrogen fertilizer map." INCT 2001, Tehran.
- , , Hojat Ahmadi, Seyed Kazem Alavi Panah, and Mahmoud Omid. "Fuzzy modeling for crn canopy nitrogen monitoring based on remote sensing." IGFIF, Amol.
- , Hojat Ahmadi, Seyed Kazem Alavi Panah, and Mahmoud Omid. "Monitoring corn nitrogen varibility by remote sensing data." WSEAS,.
- , Seyed Saeid Mohtasebi, and Hojat Ahmadi. "Determination of the Reliability Function of Farm Tractors." 11th International Congress on Mechanization and Energy in Agriculture, Istanbul.
- Hojat Ahmadi, and . "Fault Diagnosis of Naji Fire Pump Electromotor." 7th IRMC, Tehran.
- Hojat Ahmadi. "Hydraulic Oil Life Determination for LIEBHERR Crane by Oil Condition Monitoring." 7th IRMC, Tehran.
- , Ali Rajabi Pour, Hojat Ahmadi, Mohammad Mahjoob, and Mojtaba Delshad. "Nondestructive evaluation of watermelon ripeness using LDV." Food Engineering 2011, Athens.
- Hojat Ahmadi, and . "Using Power Spectral Density for Fault Diagnosis of Belt Conveyor Electromotor." First International Conference INCT 2011, Tehran.
- , Ali Rajabi Pour, Hojat Ahmadi, Mohammad Mahjoob, and Mojtaba Delshad. "Assessment of Watermelon Quality Using Vibration Spectra." First International Conference INCT 2011, Tehran.
- , Shahin Rafiei, Hojat Ahmadi, and . "Prediction of Moisture Content of Bergamot Fruit during Thin-Layer Drying Using Artificial Neural Networks." First International Conference INCT 2011, Tehran.
- Hojat Ahmadi, and . "Fault Diagnosis of Journal-Bearing of Generator Using Power Spectral Density and Fault Probability Distribution Function." First International Conference INCT 2011, Tehran.
- Hojat Ahmadi, Kamran Kheiralipour, and Ali Rajabi Pour. "Determining the total emissivity 2 of pistachio." Proceedings of 2012 International Conference on Embedded Technology,.
- Hojat Ahmadi, Kamran Kheiralipour, Ali Rajabi Pour, Shahin Rafiei, and Mohammad Javan-nikkhah. "2-Determining the total emissivity of pistachio." Proceedings of 2012 International Conference on Embedded Technology,.
- Hojat Ahmadi, Kamran Kheiralipour, Ali Rajabi Pour, Shahin Rafiei, and Mohammad Javan-nikkhah. "Evaluating-2 different thermal imaging treatments to classify health and infected pistachio by Aspergillus flavus in different growing steps using compare mean ANOVA." Proceedings of 2012 International Conference on Embedded Technology,.
- , Ali Rajabi Pour, , Hojat Ahmadi, and Mojtaba Delshad. "Prediction of Watermelon Firmness Based On Frequency Response Function." 1St International Conference On Aoustics and Vibration, Tehran.
- , Hojat Ahmadi, , Shahin Rafiei, and . "Determining the total emissivity of pistachio." INTERNATIONAL RESEARCH CONFERENCE ON MANAGEMENT ENGINEERING AND TECHNOLOGY, Bangkok.
- , Hojat Ahmadi, Ali Rajabi Pour, Shahin Rafiei, and Mohammad Javan-nikkhah. "Evaluating different thermal imaging treatments to classify health and infected pistachio by Aspergillus flavus in different growing steps using compare mean ANOVA." INTERNATIONAL RESEARCH CONFERENCE ON MANAGEMENT ENGINEERING AND TECHNOLOGY, Bangkok.
- Hojat Ahmadi, , Mahmoud Omid, and . "Acoustic condition monitoring of MF285 planetary final drive by fast Fourier transform (FFT and support vector machine (SVM classifier." INTERNATIONAL RESEARCH CONFERENCE ON MANAGEMENT ENGINEERING AND TECHNOLOGY, Bangkok.
- Hojat Ahmadi, and . "Electromotor and Pump Fault Diagnosis of NAJI Fire Pump by Using Power Spectral Density." INTERNATIONAL RESEARCH CONFERENCE ON MANAGEMENT ENGINEERING AND TECHNOLOGY, Bangkok.
- Hojat Ahmadi, and . "Using Power Spectral Density for Condition Monitoring of Naji Crane Hydraulic Pump." INTERNATIONAL RESEARCH CONFERENCE ON MANAGEMENT ENGINEERING AND TECHNOLOGY, Bangkok.
- , Ali Rajabi Pour, Mojtaba Delshad, Mohammad Mahjoob, and Hojat Ahmadi. "Watermelon quality determination by laser vibrometery." 7th International Postharvest Symposium, Kuala Lumpur.
- Hojat Ahmadi, , Ali Rajabi Pour, and Mahmoud Omid. "Thermography Technology and Thermography application in Agriculture." The Second Iran International Conference on Industrial, Tehran.
- Hojat Ahmadi, , Seyed Saeid Mohtasebi, and Ali Rajabi Pour. "Final Drive MF 285 with Fuzzy Classification and Energy Index Doubeshi Wavelet." The Second Iran International Conference on Industrial, Tehran.
- Hojat Ahmadi, and Ashkan Mosaviyan. "AN APPROPRIATE PROCEDURE FOR DETECTION OF JOURNAL-BEARING FAULT USING POWER SPEDTRAL DENSITY, K-NEAREST NEIGHBOR AND SUPPORT VECTOR MACHINE." Proceedings of the International Conference on Electrical and Computer Systems, Ottawa.
- Hojat Ahmadi, and . "Discrete Wavelet Transform and artificial neural network for gearbox fault detection based on acoustic emission ." Proceedings of the International Conference on Electrical and Computer Systems, Ottawa.
- Hojat Ahmadi, and Meghdad Khazaei. "An Appropriate Approach for Condition Monitoring of Planetary Gearbox Based on Fast Fourier Transform and Least- Square Support Vector Machine." Proceedings of the International Conference on Electrical and Computer Systems, Ottawa.
- Hojat Ahmadi, and Ashkan Mosaviyan. " Fault Diagnosis of Compressor Shaft by Vibration Analysis." Proceedings of the International Conference on Electrical and Computer Systems, Ottawa.
- Hojat Ahmadi, and Ashkan Mosaviyan. "EFFECT OF SIGNAL PROCESSING AND DATA MINING IN FAULT DIAGNOSIS OF MAIN ENGINE JOURNAL-BEARING." Proceedings of the International Conference on Electrical and Computer Systems, Ottawa.
- Hojat Ahmadi, Saeid Farokhzad, and Ali Jafari. "Artificial Neural Network Based Classification of Faults." Third International Conference on Industrial Automation, Tehran.
- Hojat Ahmadi, and Zahra Hosseni. "Choose the Best Oil Replacement Time for LIEBHERR." Third International Conference on Industrial Automation, Tehran.
- Roozbeh Abbaszadeh, Ali Rajabi Pour, and Hojat Ahmadi. "English." Nondestructive evaluation of watermelon ripeness using LDV-3,.
- حجت احمدی و زهرا حسینی. "عیب یابی موتور دیزل مدل اف ام 11 مورد استفاده در تجهیزات کشاورزی با روش آنالیز روغن." سومین کنفرانس بین المللی اتوماسیون صنعتی ایران، تهران.
- حجت احمدی، کامران خیرعلیپور، علی رجبی پور، شاهین رفیعی و محمد جوان نیکخواه. "طراحی و پیاده سازی سامانه طبقه بندی پسته سالم و آلوده به قارچ بر اساس فناوری گرمانگاری." سومین کنفرانس بین المللی اتوماسیون صنعتی ایران، تهران.
- حجت احمدی و زینب خاکسار. "پایش وضعیت پمپ پروسس به کمک ارتعاش." هشتمین کنفرانس نگهداری و تعمیرات،.
عضویت در مجامع ملی و بینالمللی