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Improved ceiling control method of energy feedback suspension system

A technology of suspension system and control method, applied in the direction of suspension, elastic suspension, control device, etc., to achieve the effect of low energy consumption and excellent ride comfort

Active Publication Date: 2016-08-17
JIANGSU UNIV
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Problems solved by technology

[0006] Aiming at the deficiencies of the existing technology, the present invention proposes an improved ceiling control method for the energy-feeding suspension system, which solves the problem of real-time adjustment of the suspension damping when the vehicle faces different road conditions to achieve better ride comfort. question

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  • Improved ceiling control method of energy feedback suspension system
  • Improved ceiling control method of energy feedback suspension system
  • Improved ceiling control method of energy feedback suspension system

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0028] Such as figure 1 As shown, the structural diagram of the energy-fed suspension system, in the vertical direction, the spring 6 and the linear motor 2 are respectively connected in parallel between the sprung mass 7 and the unsprung mass 5, and the sprung mass 7 and the unsprung mass 5 are respectively fixed A sprung mass acceleration sensor 1 and an unsprung mass acceleration sensor 3 are provided, and the sprung mass acceleration sensor 1 and the unsprung mass acceleration sensor 3 are respectively connected to the ECU controller through signal lines, and the lower end of the unsprung mass 5 is connected to an equivalent Tire stiffness spring 4. The linear motor 2 is a cylindrical permanent magnet synchronous linear motor, the stator of the linear motor 2 is conn...

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Abstract

The invention discloses an improved ceiling control method of an energy feedback suspension system, and belongs to the field of automobile energy conservation and emission reduction. An energy feedback suspension is formed by connecting a spring and a linear motor in parallel, and an improved ceiling control strategy is put forward with the control aim of low suspension energy consumption and excellent riding comfort. The working mode of the linear motor is analyzed and judged by connecting an automobile signal, and the suspension is in three different damping modes; meanwhile, when the suspension is in a driven mode and a semi-driving mode, the energy feedback suspension system can recycle vibration energy through an energy feedback circuit, so the aims of energy conservation and emission reduction are achieved.

Description

technical field [0001] The invention belongs to the field of automobile energy saving and emission reduction, and in particular relates to an improved ceiling control method for an energy-feeding suspension system. Background technique [0002] The traditional passive suspension dissipates all the vibration energy of the suspension in the form of heat energy, and because its fixed structural parameters cannot adapt to changing road conditions, its application on vehicles is limited. Compared with passive suspension, the vibration isolation of semi-active suspension has been greatly improved, but its scope of application is limited. Active suspension actively adapts to road conditions and improves vehicle dynamics by providing appropriate driving force, but it requires a large amount of external energy to provide driving force and increases vehicle fuel consumption, so it has not been widely used. In recent years, many scholars have begun to focus on electromagnetic suspensi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G13/14
CPCB60G13/14
Inventor 陈龙汪佳佳汪若尘谢健丁仁凯
Owner JIANGSU UNIV
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