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A Predictive Controller for Autonomous Vehicle Path Tracking

delete2009-03-01
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PRE
AI
G
Guilherme V. Raffo *
J
Julio E. Normey‐Rico
L
Leandro Buss Becker
DOI:10.1109/TITS.2008.2011697delete
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Abstract

Abstract

En 中文
This paper presents a model predictive controller (MPC) structure for solving the path-tracking problem of terrestrial autonomous vehicles. To achieve the desired performance during high-speed driving, the controller architecture considers both the kinematic and the dynamic control in a cascade structure. Our study contains a comparative study between two kinematic linear predictive control strategies: The first strategy is based on the successive linearization concept, and the other strategy combines a local reference frame with an approaching path strategy. Our goal is to search for the strategy that best comprises the performance and hardware-cost criteria. For the dynamic controller, a decentralized predictive controller based on a linearized model of the vehicle is used. Practical experiments obtained using an autonomous Mini-Baja vehicle equipped with an embedded computing system are presented. These results confirm that the proposed MPC structure is the solution that better matches the target criteria.
Keywords:
Autonomous vehicle
path following
predictive control
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Journal

IEEE Transactions on Intelligent Transportation Systems cover
IEEE Transactions on Intelligent Transportation Systems
IF:
8.4
Papers:
9.5K
Citations:
6.3W

Organization

U
universidade federal de santa catarina (ufsc)
Scholars:
1.5W
Papers: 1.1W
Citations: 9