Transmissibility shaping control for active vehicle suspension systems
US7085636B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2003 |
| Grant date | Aug 1, 2006 |
| Priority date | — |
| Expiry date | Oct 17, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2500/201
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention provides a transmissibility shaping control for active suspension systems. The T-shaping control is a combination of several sub-strategies using the dynamic information in the frequency domain. Each strategy works dominantly in a certain frequency range to achieve a desirable transmissibility for better suspension performance in the corresponding frequency range. Different sub-strategies for different frequency ranges include stiffness control, skyhook control, groundhook control, and various damping levels. In addition, an embodiment is provided utilizing tunable compressible fluid struts in an active vehicle suspension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.