Loading control method of pump and valve composite dual-degree-of-freedom electro-hydraulic motion
A control method and technology of degrees of freedom, applied in the field of simulation, can solve problems such as excess force interference of steering gear motion, and achieve the effects of flexible implementation, high energy utilization efficiency, and reduced throttling loss
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[0020] The present invention will be further described below with reference to the accompanying drawings.
[0021] The innovation of the present invention is to decompose the motion loading task of the electro-hydraulic load simulator based on the idea of functional division of labor: the first goal is to track the speed synchronous motion of the steering gear and decouple the interference caused by the active motion of the steering gear; Instruction tracking task. Aiming at goal 1, the pump-controlled speed servo subsystem based on speed adjustment is used to achieve, and for task 2, the valve-controlled pressure servo subsystem using an independent pressure source is used to achieve, through the independent coordinated control of the speed servo subsystem and the pressure servo subsystem , to realize the dual-degree-of-freedom control of the speed and output force of the electro-hydraulic load simulator. The invention can not only physically decouple the motion interferen...
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