Invention Grant
US08050838B2 Kinematic estimator for vehicle lateral velocity using force tables
有权
使用力表的车辆横向速度的运动估计器
- Patent Title: Kinematic estimator for vehicle lateral velocity using force tables
- Patent Title (中): 使用力表的车辆横向速度的运动估计器
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Application No.: US12276978Application Date: 2008-11-24
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Publication No.: US08050838B2Publication Date: 2011-11-01
- Inventor: Jihan Ryu , Flavio Nardi , Nikolai K. Moshchuk , Kevin A. O'Dea
- Applicant: Jihan Ryu , Flavio Nardi , Nikolai K. Moshchuk , Kevin A. O'Dea
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Miller IP Group, PLC
- Agent John A. Miller
- Main IPC: G01P3/00
- IPC: G01P3/00 ; G05D1/08

Abstract:
A system and method for estimating vehicle lateral velocity. The method uses a kinematic estimator constructed as a closed-loop Leunberger observer. The kinematic estimator is based on a kinematic relationship between lateral acceleration measurement and rate of change of lateral velocity. The method provides measurement updates based on virtual lateral velocity measurements from front and rear axle lateral force versus axle side-slip angle tables using the lateral acceleration, yaw-rate, longitudinal speed, and steering angle measurements. The method calculates front and rear axle lateral forces from the lateral acceleration and yaw-rate measurements. The method estimates front and rear axle side-slip angles from the calculated front and rear axle lateral forces using the tables. The method calculates multiple virtual lateral velocities from the front and rear side-slip angles and selects one of the virtual lateral velocities that minimizes an error between a measured force and an estimated force as the lateral velocity.
Public/Granted literature
- US20100131144A1 KINEMATIC ESTIMATOR FOR VEHICLE LATERAL VELOCITY USING FORCE TABLES Public/Granted day:2010-05-27
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