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Akademický článek

Simulation, Development and Evaluation of an Autonomous Robotic Boat Used in Aquacultures

Autor: H Abdolmaleki, A Jafari, H Mousazadeh, A Hajiahmad

Publikováno v: Journal of Agricultural Machinery, Vol 11, Iss 2, Pp 161-171 (2021)

Introduction As the world population grows up, the quantity and quality of human food must be improved. The production yield of marine aquaculture and farming of aquatic organisms, as a valuable source of food, will be increased. Regular and online m

Externí odkaz: https://doaj.org/article/15f06935a86c453195bb9e78c87c02f0

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Akademický článek

Evaluation of Several Spectral Indices for Estimation of Canola Yield using Sentinel-2 Sensor Images

Autor: N Loveimi, A Akram, N Bagheri, A Hajiahmad

Publikováno v: Journal of Agricultural Machinery, Vol 11, Iss 2, Pp 447-464 (2021)

Introduction Remote sensing and using satellite images have been widely considered due to the high speed of measurement and great area of coverage. Canola is a source of edible oil and its cultivation in Iran and the world is developing. Comparing wi

Externí odkaz: https://doaj.org/article/ba9adea6bf7a4544981999467ffb8ebf

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Akademický článek

Comparison of Four Different Methods for Agricultural Positioning Using GPS and IMU

Autor: H Goli, S Minaei, A Jafari, A.R Keyhani, A Hajiahmad, H Abdolmaleki, A.M Borghee

Publikováno v: Journal of Agricultural Machinery, Vol 4, Iss 2, Pp 285-295 (2014)

In this research, four different positioning methods were compared in order to evaluate their accuracy, using a remotely controlled robot on a specific route. These methods included: using a single GPS module, combining the data from three GPS module

Externí odkaz: https://doaj.org/article/1b9696fa41dd4be08cc58c265f829fac

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Akademický článek

Development of a Mechanism for Measuring Forces and Aligning Moment Acting on the Steering Wheels of a Four-Wheel Vehicle

Autor: A Hajiahmad, A Jafari, A.R Keyhani, H Goli, B No'doust

Publikováno v: Journal of Agricultural Machinery, Vol 4, Iss 2, Pp 141-153 (2014)

In this paper, a low-cost dynamometer for rolling, steered wheels is described. The dynamometer was constructed to determine whether such an instrumented mechanism was practical. Four S-beam load cells, an Opto-counter and a potentiometer were used t

Externí odkaz: https://doaj.org/article/10683ceb32014f50b3e500187925c81f

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Akademický článek

Piezoelectric atomizer in aeroponic systems: A study of some fluid properties and optimization of operational parameters

Autor: Amir Hossein Mirzabe, Ali Hajiahmad, Ali Fadavi, Shahin Rafiee

Publikováno v: Information Processing in Agriculture, Vol 10, Iss 4, Pp 564-580 (2023)

The piezoelectric method to atomize fluids in aeroponic systems is known as a new application. In the current study, the effects of four independent variables on the misting rate were investigated. These variables were Dosage of Chemical Fertilizer (

Externí odkaz: https://doaj.org/article/a4d4e432cd344c41b5bda284abe70b4f

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