Electric suspension device
An electric suspension, electromagnetic actuator technology, applied in suspension, elastic suspension, transportation and packaging, etc., can solve problems without special consideration, and achieve the effect of suppressing roll vibration
Pending Publication Date: 2021-01-12
HONDA MOTOR CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0012] However, in the electric suspension device disclosed in Patent Document 1, it is not particularly considered that, for example, when driving on a flat curved road or an inclined road, it is possible to suppress the vehicle as much as possible while maintaining the attitude of the vehicle in a substantially horizontal state. vehicle roll vibration
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[0039] Hereinafter, electric suspension devices according to various embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
[0040] In addition, in the drawings shown below, the same reference symbol is attached|subjected to the member which has a common function. In addition, for convenience of description, the size and shape of members may be deformed or exaggerated and schematically shown.
[0041] [Summary of Electric Suspension Device 11 of the Present Invention]
[0042] First, refer to figure 1 , figure 2 The outline of the electric suspension device 11 of the present invention common to a plurality of embodiments (first and second embodiments) of the present invention will be described.
[0043] figure 1 It is an overall configuration diagram of the electric suspension device 11 of the present invention. figure 2 It is a partial sectional view of the electromagnetic actuator 13 constituting a part of the ...
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The present invention provides an electric suspension device capable of suppressing roll vibration of a vehicle as much as possible while maintaining the attitude of the vehicle in a substantially horizontal state even in a scenario in which the vehicle is traveling on a flat curved road or an inclined road. The device is provided with an electromagnetic actuator which is provided in parallel witha spring member provided between a vehicle body and a wheel of a vehicle and generates a driving force relating to a damping operation and a stretching operation; an information acquisition unit thatacquires a roll angle speed of the vehicle; an attenuation force calculation unit that calculates a target attenuation force of the electromagnetic actuator; and an ECU that performs drive control ofthe electromagnetic actuator by using a target drive force obtained on the basis of the target attenuation force. The attenuation force calculation unit calculates a reference attenuation force thatis a reference of the electromagnetic actuator, calculates a supplementary attenuation force that supplements the reference attenuation force on the basis of the roll angle speed acquired by the information acquisition unit, and calculates a target attenuation force by adding the calculated reference attenuation force and the supplementary attenuation force.
Description
technical field [0001] The present invention relates to an electric suspension device including an electromagnetic actuator arranged in parallel with a spring member provided between a vehicle body and a wheel to generate a driving force related to a damping operation and a telescoping operation. Background technique [0002] The applicant of the present application proposes an electric suspension device including an electromagnetic actuator which is arranged in parallel with a spring member provided between the body of the vehicle and the wheels, and which generates a damping operation and a telescoping operation. driving force (for example, refer to Patent Document 1). The electromagnetic actuator includes a ball screw mechanism in addition to a motor. The electromagnetic actuator operates by converting the rotational motion of the motor into the linear motion of the ball screw mechanism, thereby generating a driving force related to the damping operation and the expansio...
Claims
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IPC IPC(8): B60G17/015B60G17/019
CPCB60G17/0157B60G17/01908B60G17/0182B60G2800/916B60G2400/10B60G2400/0521B60G2400/252B60G2400/204B60G2500/10B60G17/06B60G2202/42
Inventor 丰平朝弥加藤贵史米田笃彦
Owner HONDA MOTOR CO LTD