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Home > News > Industry News > Truck crane- mounted electroni.....

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Truck crane- mounted electronically controlled power steering system

  • Author:Chang Jie
  • Release on :2016-12-14

(1) Truck crane back to the positive function: If the driver during the turn to reduce the torque applied to the steering wheel, the torque on the rotating rod is also reduced.

As the steering force is reduced, the steering angle and the speed of the steering are reduced, and the speed of rotation is accurately detected. The control unit calculates the
necessary return force required by the motor based on the steering force, the vehicle speed, the engine speed, the steering angle, the steering speed, and the characteristic
graph stored in the control unit, and controls the motor operation so as to return the wheel to the straight traveling direction Ie the center position.
(2) Truck cranr taveling function: Straight travel function is an extension of positive return function. When there is no torque on the steering wheel, the system will help to make the wheel return to the center position. To achieve the straight-line driving function, divided into long-term law and short-term law of two different situations.
Long-term rule: When the long-term deviation from the center position of any side, the system will play a balance role. Such as the use of summer tires for winter use.
A short-term rule: The system acts as a balance when a short period of time deviates from either side of the center position. Such as by the lateral wind.

When the truck crane is subject to sustained lateral force, the driver will give the steering wheel a moment to keep the vehicle running in a straight line. At this time, the control unit calculates the necessary torque to be supplied by the motor to be held in the straight traveling state based on the steering force, the vehicle speed, the engine speed, the steering angle, the steering speed, and the characteristic graph stored in the control unit, and controls the motor The vehicle returns to the straight traveling condition, reduces the driver the work intensity.