Double-channel hydraulic motor type active stabilization rod control system and control method thereof

Abstract

The invention relates to a double-channel hydraulic motor type active stabilization rod control system and a control method thereof. The double-channel hydraulic motor type active stabilization rod control system comprises a steering wheel turn angle sensor, a vehicle speed sensor, a transverse acceleration sensor and an oil level sensor, the output ends of the four sensors are connected with the signal input end of a control unit, the signal output end of the control unit is connected with the input end of each of an electromagnetic reversing valve drive circuit of a front channel, a front channel pressure control valve drive circuit, an electromagnetic reversing valve drive circuit of a rear channel and a rear channel pressure control valve drive circuit, a hydraulic motor of a hydraulic system of the front channel outputs torque signals to a front channel stabilization rod, and a hydraulic motor of a hydraulic system of the rear channel outputs torque signals to a rear channel stabilization rod. The double-channel hydraulic motor type active stabilization rod control system and the control method thereof use the control unit to generate signals to control the electromagnetic reversing valves and pressure control valves in the hydraulic systems to act to drive the hydraulic motors to rotate, anti-skewing moment is output to enable the skewing angle of the vehicle to be reduced to keep the horizontal state of the carriage, and the riding safety and comfort are improved.

Description

Technical field [0001] The invention relates to the technical field of active stabilizer bars for vehicles, in particular to a dual-channel hydraulic motor type active stabilizer bar control system and a control method thereof. Background technique [0002] The stabilizer bar is an important safety part of the independent suspension system of a car. It can improve the stability of the operation when the car is turning or encountering resistance, ensuring comfort and driving safety. Its task is to prevent the body from becoming too large in the case of turning. Lateral tilt. Conventional passive suspensions equipped with ordinary stabilizer bars are difficult to meet the requirements of ride comfort and handling stability at the same time, and the roll stiffness of the suspension cannot be adjusted in real time. The vehicle is prone to roll when the speed is high and the steering is turned. If the side tilt is too large, the driver will feel tired and insecure. Compared with the...

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Problems solved by technology

[0003] At present, there are no automobile companies in China that manufacture active stabilizer bar systems, and they do not have the ability to independently develop them. The stabilizer bars of domestic cars are generally passive, and the ability of this type of stabilizer bar in anti-roll is very limited, especially for For off-road vehicles with a large degree of roll, the passive stabilizer bar is even more difficult. Therefore, in terms of safety and comfort, it is far from meeting the requirements of active stabilizer bars.

Only some universities and other research units have done some research in this area, but they have not made breakthroughs.

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