The paper includes detailed concept and MATLAB model to validate the system. By using the draft control, the operator can allow the tractor to make near instantaneous adjustments keeping the furrow at a constant depth all the time. There are three important methods in hydraulic control system: (i) Position control (ii) Draft control (iii) Mixed control. The potential expands to the optimizing operational efficiency with minimalistic addition of components. thus allowing the engine and pump to run under control conditions at all times. The relief valve adjustment allows the user to control the bucket through different terrains, i.e., hard debris, soft soil, dust, etc. The relief valve acts as pilot control valve to control the Boom input, thus maintaining the digging depth of the excavator bucket. These control modes include a sensed draft force only control mode, a sensed position only control mode, a manual control mode and a mixed control mode wherein. The proposition is to use an adjustable pressure relief valve to sense the pressure acting in the cylinder. In this video you could see what is the purpose of the draft control in a tractor and how does the automatic depth and draft control(ADDC) works. The idea is to implement draft control automation in excavators without involving complex or expensive electronic sensors and ECUs. The concept was introduced in excavators for controlling the cutting edge penetration of the bucket in the ground. Working of Automatic Depth and Draft Control Tamil Erode Dhanush Erode Dhanush 78.5K subscribers 36K views 9 months ago ERODE Working of Automatic Depth and Draft Control. Draft Control is a mechanism in tractors to maintain the penetration of its rear attachment (plough) in ground to avoid engine overload and keep the operation under control.
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