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Electric vehicle anti-settling composite energy-feeding suspension actuator and its control method

A technology for actuator controllers and electric vehicles, which is applied to suspensions, elastic suspensions, vehicle components, etc., and can solve the problems of failure to fully consider the driving conditions of electric vehicles, a single energy recovery system, and no deep recovery suspension system, etc. question

Active Publication Date: 2020-07-21
XIAN UNIV OF SCI & TECH
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the energy recovery system is single, and there is no deep recovery of the vibration energy of the suspension system
In 2017, Zhao Hongxing and other scholars designed a combination of piezoelectric ceramic spherical shell and permanent magnet linear motor to form a vibration energy composite recovery device. However, this method only realizes energy recovery and fails to fully consider electric vehicles. Driving road conditions, switch suspension system mode

Method used

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  • Electric vehicle anti-settling composite energy-feeding suspension actuator and its control method
  • Electric vehicle anti-settling composite energy-feeding suspension actuator and its control method
  • Electric vehicle anti-settling composite energy-feeding suspension actuator and its control method

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Embodiment Construction

[0063] Such as figure 1 and figure 2 As shown, the electric vehicle anti-settling composite energy-feeding suspension actuator of the present invention includes a magneto-rheological shock absorber, a motor unit, an energy-feeding unit and an actuator monitoring device, and the magneto-rheological shock absorber Including the cylinder 6, the ball screw 2 and the piston 23 are arranged inside the cylinder 6, and the left bypass for separating the inner cavity of the cylinder 6 into the magnetorheological inner cavity 27 and the magnetorheological outer cavity 8 Regulating plate 7 and right bypass regulating plate 26; Magnetorheological fluid is arranged in the magnetorheological inner cavity 27 and the magnetorheological outer cavity 8, and magnetorheological fluid is arranged in the magnetorheological inner cavity 27 for transferring the magnetic flow The variable inner chamber 27 is divided into the upper chamber of the magnetorheological inner chamber and the lower chamber...

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Abstract

The invention discloses an electric vehicle anti-settling compound energy-feeding suspension actuator and a control method thereof. The suspension actuator includes a magneto-rheological shock absorber, a motor unit, an energy-feeding unit and an actuator monitoring The control method of the device comprises the steps of: 1. data collection and transmission; 2. the actuator controller controls the suspension actuator in four modes: high energy-saving mode, energy-saving mode, stable mode and dynamic mode according to the sampled data. control. The invention is reasonable in design and easy to realize, and can adjust the height of the sprung mass part and the unsprung mass part of the automobile, as well as the control force of the actuator. The size of the suspension system can be multi-mode switched to improve the comfort and stability of the car. At the same time, the energy generated by the suspension system can be recovered in time to reduce the waste of vehicle energy and improve the mileage and battery life of electric vehicles. Strong practicality.

Description

technical field [0001] The invention belongs to the technical field of electric vehicle suspension actuators, and in particular relates to an electric vehicle anti-subsidence composite energy-feeding suspension actuator and a control method thereof. Background technique [0002] As the number of automobiles continues to increase, the storage of petroleum energy continues to decrease, and automobile exhaust emissions have exacerbated the deterioration of the natural environment, especially abnormal phenomena such as the global greenhouse effect and smog weather, which have seriously endangered human life and health and social stability. Sustainable development, green and environmentally friendly new energy electric vehicles have become the focus of contemporary society. After the Chinese government formulated a series of subsidy policies for the development of new energy vehicles in 2009, the related technologies of new energy vehicles have developed rapidly, but the shortcom...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G17/019B60G17/08B60G17/018
Inventor 寇发荣李阳康陈晨许家楠郝帅帅孙凯
Owner XIAN UNIV OF SCI & TECH
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