Angle signal-based electric power steering control method
An electric power steering and angle signal technology, which is applied to automatic steering control components, electric steering mechanisms, steering mechanisms, etc., can solve the problem of uneven torque of the steering wheel, and achieve the effect of uniform torque and good operation feeling.
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[0013] like figure 1 As shown, an electric power steering control method based on an angle signal, on the basis of the basic assist motor current applied by the existing electric power steering based on the two parameters of torque and vehicle speed, the angle is used as the third parameter of the basic assist current , so that the basic assist current changes with the change of torque, vehicle speed and angle. After increasing its angle dependence, the basic boost current depends on the three parameters of torque, vehicle speed and angle. The basic assist current lookup table is changed from the original two-dimensional matrix of torque and vehicle speed to the three-dimensional matrix of torque, vehicle speed and angle. The total motor assist current varies greatly with different angles. The external characteristics of the electric power steering controller have obvious changes, and the function curve of the fixed output torque and the measurement of the input shaft torque...
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