Control system of dual-channel electric active stabilizer rod and control method of control system

Abstract

The invention relates to a control system of a dual-channel electric active stabilizer rod. The control system comprises a front channel control unit, wherein an input end of the front channel control unit is connected to output ends of a vehicle speed sensor, a lateral acceleration sensor and a front channel motor rotor position sensor respectively; the output end of the front channel control unit is connected to the input end of a front channel brushless DC (Direct Current) motor; the front channel brushless DC motor outputs a torque signal to a front channel stabilizer rod; the input end of a rear channel control unit is connected to the output end of a rear channel motor rotor position sensor; the output end of the rear channel control unit is connected to the input end of a rear channel brushless DC motor; the rear channel brushless DC motor outputs the torque signal to a rear channel stabilizer rod. The invention further discloses a control method for the control system of a dual-channel electric active stabilizer rod. According to the invention, the rotations of the front channel brushless DC motor and the rear channel brushless DC motor are controlled by judging the vehicle driving conditions, the anti-rolling torque is output, so that the roll angle of the vehicle is reduced, the driving safety and riding comfort of the vehicle are improved.

Description

technical field [0001] The invention relates to the technical field of automotive electronics, in particular to a control system and a control method for a dual-channel electric active stabilizer bar. Background technique [0002] With the continuous improvement of vehicle speed, people put forward higher and higher requirements for vehicle ride comfort, but the conventional passive suspension with a stabilizer bar is difficult to meet the requirements of ride comfort and handling stability at the same time, and There is no way to adjust the roll stiffness of the suspension in real time. When the vehicle is turning at high speed, the vehicle is prone to roll, and if the roll is too large, the driver will feel fatigued and unsafe; while the active stabilizer bar system can quickly apply anti-roll moment to the vehicle when the vehicle tends to roll, preventing the vehicle from sideways. Tilting, greatly reducing the body roll angle and roll angular velocity, thereby improvin...

AI Technical Summary

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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