Brake control system
US8632136B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2011 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Mar 7, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T13/586
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A brake control system displaces a primary piston by controlling an operation of the electric motor by a master pressure control unit according to the operation amount (Xop) of the brake pedal, thereby generating a hydraulic pressure in the master cylinder to supply it to wheel cylinders (Ba to Bd). The master pressure control unit sets a target relative displacement (ΔXT) between an input piston and the primary piston and a target hydraulic pressure (PT) in the master cylinder, and appropriately switch which is used to control a brake force. During regenerative cooperation, the master pressure control unit selects the control with use of the target hydraulic pressure, which enables easy execution of a hydraulic pressure control including a subtraction of the hydraulic pressure corresponding to a brake effect from the regenerative cooperation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.