The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2008
Filed:
Dec. 09, 2005
Yong H. Lee, Troy, MI (US);
Weiwen Deng, Rochester Hills, MI (US);
Yong H. Lee, Troy, MI (US);
Weiwen Deng, Rochester Hills, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
A vehicle curve speed control system () adapted for use with a vehicle () having an operator (), includes a map database () representing a current vehicle path, and a locator device () communicatively coupled to the database () and configured to determine the location of the vehicle () on the path. The system () further includes a controller () configured to identify approaching curve points of a curve () in terms of curvature or radius, and determine a desired speed profile based on operator preference and/or vehicle characteristic input. An acceleration profile is determined, based on the current vehicle speed, and desired speed profile. An acceleration/deceleration command at the present control loop is modified towards achieving an optimal curve speed, and is delivered to either a brake or acceleration module () to automatically accelerate or decelerate the vehicle () accordingly.