Follow-up control method and control system of vehicle rear axle electronically controlled steering wheel
A steering wheel and drive control technology, applied to automatic steering control components, steering mechanisms, steering rods, etc., can solve problems such as inability to ensure rapidity, lag in rear axle follow-up start, slow action speed, etc., and achieve good steering flexibility. , Improve synchronization performance and reduce tire wear
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[0046] The vehicle rear axle electronically controlled steering wheel follow-up control method provided by the present invention is used to control the electro-hydraulic proportional valves that drive the rotation of each rear axle steering wheel, including: detecting the actual rotation angle value of the following object, and calculating the amount of change in the rotation angle; judging Whether the amount of change of the rotation angle is within the preset dead zone range, if not, the control parameter used to drive and control the corresponding controlled object is increased by a preset adjustment parameter, which is used to correct the drive control signal; the core is to make each controlled object The starting condition for the wheels of the controlled object to follow the rotation of the first axle is independent of the relationship between the rotation angles of the rear axles and the front axle. The steering action can be started when the wheels of the first axle (fo...
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