Electromagnetic suspension apparatus
US10647172B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2018 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Jul 24, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2800/24
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An object of the present invention is to obtain an electromagnetic suspension apparatus capable of meeting a request to improve ride comfort irrespective of a magnitude of a spring constant preset in a spring member. The electromagnetic suspension apparatus includes an electromagnetic actuator that generates a driving force related to vibration damping of the vehicle body, an information acquisition unit that acquires information on a stroke position of the electromagnetic actuator, and an ECU that calculates a target driving force of the electromagnetic actuator and controls a driving force of the electromagnetic actuator using the calculated target driving force. When the stroke position acquired by the information acquisition unit is in a neutral range including a neutral position, the ECU corrects the target driving force so as to reduce a spring force related to the spring member as compared with when the stroke position is in a non-neutral range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.