Mobility Sub Sytem For Robotic Oryza Sativa Pesticide Application

Muhammad Hafizan , Yosri (2007) Mobility Sub Sytem For Robotic Oryza Sativa Pesticide Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this project is to develop one automation driving system that can help the farmer to carry out the pesticide and then distributed the pesticide to the paddy field. A literature survey showed that there is a great potential for automated vehicles in agriculture as well as in many other areas. A lot of work has already been done in previous research, but no totally automated system was developed yet which is able to operate well in an agricultural environment. A mobile platform with four-wheel steering and four-wheel drive was designed, but considered to be too complex to be realized within the period of the project. Therefore, a simpler vehicle with one-wheel steering and two-wheel drive was built. Its control circuit allows the user to control it's by a joystick box. In additio~ by using the radio frequency (RF) controller, the distance to control this vehicle is quite long with control distance can reach about 200 meter without any barriers. Tests with the manual control showed a good performance, the vehicle's maneuverability is very good because of a possible steering angle nearly about 170° and a short wheel base of 0.38 m. The speed approximately between 3 kmJh. The manual control was easy to operate even by an unskilled person. Problems occurred at a high speed, where there are difficult to control the single steering wheel. So to reduce the difficulty, the same size of sprockets for driving and steering system was used to make sure the speed is same for both systems. The results were reasonable for a simple and not precise agricultural application. As long as the objective of this project to distribute the pesticide is accomplish, the objective of this project had been accomplished. At the end of this project, a few recommendations that can improve the maneuvering capability and automation system of this vehicle in the future had been state.

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