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Multi-mode composite energy-feedback type suspension actuator and control method thereof

An actuator controller and actuator technology, applied in suspension, elastic suspension, vibration suppression adjustment, etc., can solve the problems of large ineffective volume, no effect of energy recovery, and failure to consider the actuator.

Pending Publication Date: 2020-02-04
XIAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the failure of the linear motor actuator is not considered. If the actuator fails, it will have no effect on energy recovery.
At the same time, the linear motor occupies too much invalid volume in the air spring, which will indirectly lead to an increase in the volume of the composite semi-active suspension.

Method used

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  • Multi-mode composite energy-feedback type suspension actuator and control method thereof
  • Multi-mode composite energy-feedback type suspension actuator and control method thereof
  • Multi-mode composite energy-feedback type suspension actuator and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] according to Figure 1-3 The multi-mode composite energy-feeding suspension actuator and its control method include: an actuator body and an actuator control system, the actuator body includes a ball screw mechanism and a ball screw mechanism An air spring with screw screws connected in series, the ball screw mechanism includes a hollow piston rod (3), inside the piston rod there is a ball screw nut (5), and the ball screw (4) passes through the ball screw nut (5 ), the hollow piston rod (3), the sealing ring (7) and the air spring are fixed together by the fastening nut (6), and the top of the ball screw (4) is connected to the DC by the extension nut (22) The shaft of the brushless motor (20) is fixedly connected; the air spring mechanism includes an air spring air bag (10), and the air spring air bag (10) and the upper end cover (24) of the air spring are connected to the upper flange by the fastening nut (12) The disc (11) is connected, the air spring upper end cov...

Embodiment 2

[0034] Based on the basis of embodiment 1, such as Figure 1-3 As shown, the energy storage circuit (48) includes a rectifier circuit (48-1), a sliding resistor (48-2) connected to the output terminal of the rectifier circuit (48-1) and an output terminal of the sliding resistor (48-2). The battery charging circuit (48-3) that is connected to the vehicle battery (49) and the battery charging circuit (48-3), the output terminal of the DC brushless motor bus (47) is connected with the input terminal of the rectifier circuit (48-1), and the The output terminals of the sliding resistance adjustment module (41) and the rectification circuit (48-1) are connected with the sliding resistance (48-2).

[0035] Preferably, the motor mounting base (16) has a cylindrical structure, and the brushless DC motor (20) is welded to the lower end of the upper end cover (19) of the motor mounting base.

[0036] Preferably, the rectification circuits (48-1) are all three-phase bridge rectification...

Embodiment 3

[0041] On the basis of Embodiment 1-2, a control method for a multi-mode hybrid suspension actuator is characterized in that the method includes the following steps:

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Abstract

The invention belongs to the technical field of automobile suspension systems and particularly relates to a multi-mode composite energy-feedback type suspension actuator and a control method thereof.The control method of the multi-mode composite energy-feedback type suspension actuator comprises simple steps, the work control mode of a vehicle active suspension is switched through ideal active force and a suspension velocity direction, a vehicle hybrid suspension is switched between a semiactive mode and an active energy consumption work mode, the hybrid suspension can operate in an optimal damping state while energy is saved, the work stability and reliability are high, no fault occurs, and frequent maintenance and repair are avoided.

Description

technical field [0001] The invention belongs to the technical field of automobile suspension systems, and in particular relates to a multi-mode composite energy-feeding suspension actuator and a control method thereof. Background technique [0002] In recent years, the development of air suspension has made great progress, and more and more air suspensions are used in high-end cars and buses. This is due to the non-linearity of air suspension stiffness and the way it adjusts the height of the vehicle to improve the smoothness of the vehicle. Compared with other types of semi-active suspension, it has unique advantages, but because the air suspension needs to be inflated by an air compressor when adjusting the height of the vehicle body, it consumes a lot of energy. During the driving process of the vehicle, the excitation of the unevenness of the road surface makes the vehicle vibrate, which leads to a series of problems that are the research focus of the staff in related fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G17/015B60G17/018B60G17/019F16F15/027
CPCB60G17/0155B60G17/018B60G17/019B60G17/01933F16F15/027B60G2800/20
Inventor 寇发荣洪锋何凌兰张海亮王思俊
Owner XIAN UNIV OF SCI & TECH
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