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Energy storage driving pendant in motor

A technology of active suspension and suspension, which is applied in the direction of suspension, elastic suspension, transportation and packaging, etc., and can solve the problems of high energy consumption, complex structure and poor reliability

Active Publication Date: 2005-06-15
SHANGHAI HUIZHONG AUTOMOTIVE MFG +2
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  • Abstract
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is: in order to overcome the defects of the existing hydraulic active suspension such as complex structure, poor reliability, slow response, large energy consumption, and high cost, considering that the comprehensive performance of the electric actuator is better than that of the hydraulic system , so a motor energy storage type active suspension using a motor actuator and having the function of electromagnetic energy storage is provided to achieve high performance, low power consumption, stability and reliability, and to facilitate popularization

Method used

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Embodiment Construction

[0013] The present invention will be further described below with reference to the accompanying drawings.

[0014] 1. In figure 1 In the embodiment shown, the single-wheel model (1 / 4 vehicle body model with two degrees of freedom) of the overall structure of the present invention consists of: sprung mass (or body) (1), unsprung mass (or wheel) (2), Suspension spring (3), motor actuator (4), drive and energy storage circuit (5), microprocessor (6), suspension dynamic deflection sensor (7), vehicle power supply circuit (8) and other parts, Among them: the suspension spring, the motor actuator and the suspension dynamic deflection sensor are installed in parallel between the body and the wheel. Its working principle is: input the coded signal obtained by the suspension dynamic deflection sensor and the pulse signal obtained by the motor rotor position sensor into the microprocessor, after processing by the brushless motor commutation logic, the electromagnetic energy storage con...

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Abstract

An active suspension with electric motor actuator and electromagnetic energy accumulating action features use of motor drive system instead of hydraulic driven system. The coded signals obtained by dynamic flexure sensor for suspension and the pulse signals obtained by rotor position sensor for motor are output to microprocessor. After they are processed, the electric motor actuator is real-time controlled for electric, reverse, or regenerative braking, so damping the shock and vibration caused by uneven road surface and recovering the braking energy.

Description

Technical field [0001] The invention relates to an electronically controlled suspension of a vehicle, in particular to an active suspension that adopts a motor actuator and has an electromagnetic energy storage function. Background technique [0002] Vehicle suspension can be divided into three categories: passive, semi-active and active suspension from the perspective of control force. At present, passive suspension is generally used in automobiles. Since the system has no external energy input, the spring stiffness and damping coefficient of the shock absorber are not adjustable and cannot be changed with the external road conditions. The design can only ensure that the performance can be achieved under a specific road and speed. optimal compromise. Due to this inherent defect, the traditional passive suspension based on the classical vibration isolation theory is difficult to adapt to various road conditions, so the vibration reduction performance is limited. With the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G17/015
Inventor 曹民杨玉珍王熙
Owner SHANGHAI HUIZHONG AUTOMOTIVE MFG
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