Novel intelligent vibration reduction electric wheel

Abstract

The invention relates to a novel intelligent vibration reduction electric wheel. According to the requirement for the limited space of a hub, a hub motor, a brake, an intelligent vibration reduction system assembly and the like are designed, and all the designed subsystems are integrated in the limited space of the hub. A vehicle body is used as a target system, and a controllable closed loop system can be formed by combining the novel intelligent vibration reduction electric wheel. The novel intelligent vibration reduction electric wheel mainly comprises an independent suspension support, a symmetrical up-down unequal length swing arm, an MR damper, a spiral spring, a controller, an acceleration and displacement sensor, a wheel spindle, a hub motor, a brake assembly, a hub and a tire part. The acceleration and displacement sensor is used for collecting the accelerated speed of the vehicle body and dynamic displacement signals of a suspension, the accelerated speed of the vehicle body and the dynamic displacement signals of the suspension are transmitted to the controller in real time, a four-channel electric vehicle vibration control strategy is adopted, a variable domain fuzzy control algorithm is used, a control instruction is output to the MR damper to give out electric current change signals, the MR damper is used as an actuator to regulate damping force in real time, and therefore the intelligent damping effect of an electric vehicle can be achieved on urban roads.

Description

technical field [0001] The invention belongs to the field of electric wheel devices, and in particular relates to a novel intelligent damping electric wheel. Background technique [0002] There have been many theoretical studies on the application of electric wheels on electric vehicles at home and abroad, and there are also many practical applications. However, some technical problems of electric wheels have not yet been broken through. (1) Vertical negative effect caused by excessive unsprung mass. Due to the introduction of in-wheel motors, the unsprung mass of the vehicle increases significantly, making the ratio of the sprung mass to the unsprung mass of the vehicle too small, so that the dynamic load of the tire and the mean square value of the vibration acceleration of the vehicle body increase significantly. However, the electric wheel is installed on the wheel, so it is difficult to adopt effective damping measures, which affects the vertical and lateral performanc...

AI Technical Summary

Problems solved by technology

[0003] According to the needs of future urban traffic development, a new type of intelligent shock-absorbing electric wheel was invented to solve a series of problems such as the current shortage of non-renewable energy such as petroleum and coal mines, and air pollution caused by vehicle exhaust emissions.

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