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Alternative TitleHydraulic agricultural machine automatic steering control device and control method
胡静涛; 高雷; 迟浩东; 白晓平; 王鹤; 李逃昌; 刘晓光
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to a hydraulic agricultural machine automatic steering control device which is characterized in that a controller and a hydraulic drive module which are connected are included. A control method comprises the following steps that the controller receives a start command of an upper computer to control an electromagnetic switch valve in the hydraulic drive module to be closed to enable an agricultural machine to switch to an automatic steering mode; the controller carries out self-adaptation fuzzy PID control according to an angle set value in a steering angle set command, a steering angle measuring angle from a sensor and an agricultural machine speed measuring value; obtained controlled quantity of the flow direction and flow is output to a proportional reversing valve of the hydraulic drive module to achieve automatic steering control. According to the hydraulic agricultural machine automatic steering control method with the self-adaptation fuzzy PID control method as a core, the problems of dead zones, equilibration and errors caused by asymmetric characters of a vehicle hydraulic steering system can be well solved, and automatic steering control precision is improved.
PCT Attributes
Application Date2012-12-27
Date Available2015-12-23
Application NumberCN201210578890.5
Open (Notice) NumberCN103895698A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
胡静涛,高雷,迟浩东,等. 液压式农机自动转向控制装置及控制方法[P]. 2014-07-02.
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File name: CN201210578890.5.pdf
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