Coordination of the authority between the vehicle driver and a steering assist controller

Driver steering control performance varies with time during the vehicle driving course. A serial vehicle steering assist controller is designed to provide steering correction that can compensate the difference between the current driver and an "idealized" driver model. Using variable structure model reference adaptive control, a robust adaptive controller for lane keeping assist is developed. To reduce the complexity in control computations, a simplified version of the robust adaptive steering assist controller is also developed. Due to the significant variations in human driver behaviour, the stability of the compensated system is not guaranteed and conflict between the driver and the steering assist controller exist. A model predictive control based driver model and a dual-loop structure driver model are employed to represent the variations in driver intention, and the conflict between the controller and the driver is observed from computer simulations. A simple decision making algorithm is implemented and the conflict situations are successfully avoided for different driver behaviour modes and driving scenarios. Future work of this research will focus on implementing the designed controller on a driving simulator and experiments with human drivers on the driving simulator.

[1]  Robert R. Bitmead,et al.  Adaptive Control Algorithms , 1991 .

[2]  G. G. Stokes.  "J." , 1890, The New Yale Book of Quotations.

[3]  David H. Weir,et al.  Measurement and interpretation of driver steering behavior and performance , 1973 .

[4]  Anuradha M. Annaswamy,et al.  Stable Adaptive Systems , 1989 .

[5]  M.S. Netto,et al.  Lateral adaptive control for vehicle lane keeping , 2004, Proceedings of the 2004 American Control Conference.

[6]  A. Galip Ulsoy,et al.  Identification of driver state for lane-keeping tasks , 1999, IEEE Trans. Syst. Man Cybern. Part A.

[7]  R W Allen,et al.  ANALYTICAL MODELING OF DRIVER RESPONSE IN CRASH AVOIDANCE MANEUVERING. VOLUME 1: TECHNICAL BACKGROUND. FINAL REPORT , 1988 .

[8]  L K Chen,et al.  Adaptive Control With Respect To Driver Model Uncertainty , 2006 .

[9]  Günther Prokop,et al.  Modeling Human Vehicle Driving by Model Predictive Online Optimization , 2001 .

[10]  D. Casanova,et al.  A Mathematical Model for Driver Steering Control, with Design, Tuning and Performance Results , 2000 .

[11]  G. N. Ornstein.  The automatic analog determination of human transfer function coefficients , 2006, Medical electronics and biological engineering.

[12]  Gregory E. Johnson,et al.  Application of Elementary Neural Networks and Preview Sensors for Representing Driver Steering Control Behaviour , 1996 .

[13]  Akhtar Nawaz Malik,et al.  Implementation of an autonomous tracking system for UGVs using FPGAs , 2008 .

[14]  Ronald A. Hess,et al.  A Model of Driver Steering Control Behavior for Use in Assessing Vehicle Handling Qualities , 1993 .

[15]  Lloyd D. Reid.  A survey of recent driver steering behavior models suited to accident studies , 1983 .

[16]  Hitoshi Soma,et al.  Dynamic Identification of Driver-Vehicle System Using AR-method , 1995 .

[17]  Gang Feng.  New robust model reference adaptive control algorithm , 1994 .

[18]  Eduardo F. Camacho,et al.  Model predictive control in the process industry , 1995 .

[19]  A. Modjtahedzadeh,et al.  A control theoretic model of driver steering behavior , 1990, IEEE Control Systems Magazine.

[20]  Bing-Fei Wu,et al.  A DSP-based lane departure warning system , 2006 .

[21]  Charles C. MacAdam,et al.  An Optimal Preview Control for Linear Systems , 1980 .

[22]  Liang-Kuang Chen,et al.  Robust Adaptive Control Design for Vehicle Lane Keeping Assist , 2007 .

[23]  Petr Bouchner,et al.  Fatigue of car drivers - detection and classification based on the experiments on car simulators , 2006 .

[24]  Huei Peng,et al.  An adaptive lateral preview driver model , 2005 .

[25]  David H. Weir,et al.  New Results in Driver Steering Control Models , 1977 .

[26]  A. Galip Ulsoy,et al.  Identification of a Driver Steering Model, and Model Uncertainty, From Driving Simulator Data , 2001, Dynamic Systems and Control.