Control Method of Multi-mode Hybrid Suspension Actuator

A technology of actuator controller and control method, which is applied to suspension, elastic suspension, vehicle components, etc., can solve the problem that energy recovery has no effect, the volume of composite semi-active suspension increases, and the actuator is not considered. failure, etc.

Active Publication Date: 2020-08-28
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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  • Control Method of Multi-mode Hybrid Suspension Actuator
  • Control Method of Multi-mode Hybrid Suspension Actuator
  • Control Method of Multi-mode Hybrid Suspension Actuator

Examples

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Embodiment Construction

[0073] Such as figure 1 As shown, the multi-mode hybrid suspension actuator of the present invention includes an actuator body and a control unit. The vibrator, the upper linear motor unit arranged on the upper part of the double-exit rod magneto-rheological shock absorber and located in the air spring mechanism, and the lower linear motor unit arranged at the lower part of the double-exit rod magnetorheological shock absorber;

[0074] The air spring mechanism includes an air spring upper flange 31 and an air spring lower flange 36 arranged at intervals, and an air spring air bag 32 arranged between the air spring upper flange 31 and the air spring lower flange 36 The upper end of the air spring upper flange 31 is connected with an air spring upper end cover 34, the lower end of the air spring lower flange 36 is connected with an air spring lower end cover 1, and the air spring upper end cover 34 is provided with an extension The air pressure sensor 43 that enters the air sp...

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Abstract

The invention discloses a control method for a multi-mode hybrid suspension actuator. The multi-mode hybrid suspension actuator includes an actuator body and a control unit. The actuator body includes an air spring mechanism and is arranged on the air spring The double-outlet rod type magneto-rheological shock absorber in the mechanism, the upper linear motor unit arranged on the upper part of the double-outlet rod type magneto-rheological shock absorber and located in the air spring mechanism, and the double-outlet rod type magneto-rheological shock absorber The lower linear motor unit at the lower part of the device; the control method includes steps: 1. Data acquisition and synchronous transmission; 2. Calculating the ideal damping force under the control of the vehicle suspension LQG; 3. Calculating the root mean square value of the weighted acceleration of the vehicle; 4. , Control the multi-mode hybrid suspension actuator. The invention has novel and reasonable design, convenient realization and low cost, high working stability and reliability, high energy feeding efficiency and high real-time performance, can make the hybrid suspension in the best damping state, has strong practicability, and is easy to popularize and use.

Description

technical field [0001] The invention belongs to the technical field of vehicle suspension actuators, and in particular relates to a control method of a multi-mode hybrid suspension actuator. Background technique [0002] When the vehicle is running, the vehicle vibrates due to the excitation of the unevenness of the road surface. At present, what is widely used in automobiles is to realize the functions of damping vibration and carrying the body through passive suspension (composed of shock absorbers, elastic elements, etc.). However, the performance parameters (stiffness and damping) of the passive suspension cannot be adjusted in real time according to the actual working conditions of the vehicle during driving. The frame converts the energy of the vibration of the car into heat energy and dissipates it in the air through the shock absorber and the elastic element, and it is not utilized. Due to the shortcomings of the passive suspension that cannot adjust the vibration ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G17/0165B60G17/019B60G17/018B60G17/052B60G17/08
Inventor 寇发荣景强强
Owner XIAN UNIV OF SCI & TECH
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