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(1) Active lifting function of the crane: If the driver reduces the torque applied to the steering wheel during turning, the torque on the rotating rod is also reduced accordingly. Then, as the steering force decreases, the steering angle and the steering speed decrease accordingly, and the rotation speed is correspondingly accurately detected. The control unit calculates the necessary return force required by the motor based on the steering force, vehicle speed, engine speed, steering angle, steering speed, and the curve stored in the control unit, and controls the operation of the motor to urge the wheels to return to the straight-ahead direction. The central location.
(2) Truck-mounted linear driving function: The straight-line driving function is an extension of the active returning function. When there is no moment acting on the steering wheel, the system will generate assistance to return the wheel to the center position. In order to realize the straight-line driving function, it is divided into two different situations: long-time rule and short-time rule.
Long time rule: Whenever there is a long distance from any side of the center position, the system will play a balancing role. Such as the use of tires in summer for winter use.
Short-term rule: The system will play a balancing role when the deviation from any side of the center position occurs in a short time. If you receive lateral wind.
When the truck crane receives a constant lateral force, the driver will give the steering wheel a torque to keep the vehicle running straight. At this time, the control unit calculates the necessary torque that the motor needs to provide to maintain the straight running state based on the steering force, the vehicle speed, the engine speed, the steering angle, the steering speed, and the graph stored in the control unit, and controls the motor operation to make the vehicle Return to the straight-line driving state to reduce the driver's work intensity.
Hubei Chu Sheng Special Vehicle
Contact: Manager Wang Tel.
HST Bend test machines are typically universal testing machines specially configured to evaluate material ductility, bend strength, fracture strength, and resistance to fracture. Bend tests tend to be associated with ductile metals and metal products. Bend test equipment and test procedures are similar to flexure test equipment. Flexure tests are commonly associated with brittle materials including plastics, polymers, composites, glass and ceramics. That said, bend test and flexure test terms are used interchangeably in the testing industry.
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JINAN KASON TESTING EQUIPMENT CO., LTD. , http://www.hstester.com