Composite damping adjustable energy feedback type hybrid suspension actuator and control method thereof

A composite damping and actuator technology, applied in the direction of suspension, elastic suspension, transportation and packaging, etc., can solve the problem that it is difficult to improve vehicle ride comfort and handling stability, controllable suspension occupies a large installation space, and cannot be realized Vehicle active control and other issues, to achieve the effect of saving installation space, simple structure and high reliability

Active Publication Date: 2020-06-19
XIAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with passive suspension and semi-active suspension, active suspension can make the vehicle have better ride comfort and handling stability, but its shortcomings of high energy consumption have not been effectively resolved so far, and it is difficult to popularize. Controllable suspensions often occupy a large installation space, which limits the application of controllable suspensions to a large extent.
For example, the Chinese patent "One Vehicle Integral Inertial Suspension" with the application number 201310560418.3 integrates the suspension system, but it cannot realize the active control of the vehicle, and it is difficult to improve the ride comfort and handling stability of the vehicle.
Another example is the Chinese patent "A Vibration Damping Device That Can Generate Electric Energy and Actively Control Energy Feedback" with the application number CN201520148667.6, which realizes the active control of the suspension system and the recovery of vibration energy, but it does not carry out structural integration and installation. takes up a lot of space

Method used

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  • Composite damping adjustable energy feedback type hybrid suspension actuator and control method thereof
  • Composite damping adjustable energy feedback type hybrid suspension actuator and control method thereof
  • Composite damping adjustable energy feedback type hybrid suspension actuator and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Such as figure 1 As shown, a compound damping adjustable energy-feeding hybrid suspension actuator is characterized in that it includes an actuator body and an actuator control system, and the actuator body includes an air spring mechanism, a rack and pinion mechanism and solenoid valve dampers. The actuator control system includes an actuator control module and a feed motor control module.

[0045] Described air spring mechanism comprises air spring upper end cover (28), air spring (4) and air spring lower end cover (16), and described air spring upper end cover (28) is installed on the upper flange (3) place with bolt On the air spring (4), an air suspension charging and discharging hole (2) is arranged on the air spring upper end cover (28), and a wiring hole (1) is arranged next to the air suspension charging and discharging hole (2) , the DC brushless motor bus (30) is derived from the wiring hole (1), and a rubber sealing ring (29) is arranged outside the wiring...

Embodiment 2

[0056] A method for controlling a composite damping adjustable energy-feeding hybrid suspension actuator, comprising the following steps:

[0057] Step 1, data acquisition and synchronous transmission, the sprung mass displacement sensor (31) sends the sprung mass displacement collected by periodic detection to the actuator controller (33), and the unsprung mass displacement sensor (32) sends The unsprung mass displacement collected by periodic detection is sent to the actuator controller (33), where the unsprung mass displacement obtained by the ith sampling is denoted as X u i , and the sprung mass displacement obtained at the i-th sampling is denoted as X s i , the value of i is a non-zero natural number, and the actuator controller calculates the sprung mass velocity and the unsprung mass velocity

[0058] Step 2. Measure the suspension height h when the car is stationary 0 , when the car is running on different roads and at different speeds, the suspension height ...

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PUM

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Abstract

The invention discloses a composite damping adjustable energy feedback type hybrid suspension actuator. The system of the actuator comprises an actuator body and an actuator control system, the actuator body comprises an air spring mechanism, a gear and rack mechanism and an electromagnetic valve type shock absorber, and the actuator control system comprises an actuator control module and an energy feedback motor control module. The suspension system is simple and compact in structure; under the control of the actuator control system and the energy feedback circuit thereof, the response speedis high, the control is accurate, the energy conversion rate is high, the fuzzy PID is improved, the fuzzy PID based on a bat firework hybrid algorithm is used for controlling the suspension, and thesmoothness and the operation stability of the suspension are improved.

Description

technical field [0001] The invention belongs to the technical field of vehicle vibration damping devices, and in particular relates to a composite damping adjustable energy-feeding hybrid suspension actuator and a control method. Background technique [0002] At present, the suspension system is an important part of the car, which determines the ride comfort and handling stability of the vehicle. The current automobile suspension is mainly divided into passive suspension, semi-active suspension and active suspension. Compared with passive suspension and semi-active suspension, active suspension can make the vehicle have better ride comfort and handling stability, but its shortcomings of high energy consumption have not been effectively resolved so far, and it is difficult to popularize. Controllable suspensions often occupy a large installation space, which limits the application of controllable suspensions to a large extent. For example, the Chinese patent "One Vehicle In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G15/08B60G17/015
CPCB60G15/08B60G17/0152B60G2202/152B60G2202/42B60G2800/91
Inventor 寇发荣张宏王甜甜孙凯
Owner XIAN UNIV OF SCI & TECH
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