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A Novel Steering Control for Real Autonomous Vehicles via PI Adaptive
3 m; d4 D0 k+ l/ _7 KDynamic Programming
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) O. B# K' N& t. X/ \2 `, e8 ZA novel steering controller for autonomous vehicles is proposed in this paper. For autonomous vehicles, the efficiency
. Y5 K6 f! O* ~9 x: wis an important indicator, in order to reduce the training cost and improve the real-time performance while the car is running on
, z% U9 A$ o& k6 Wthe road, Offline plus online training is proposed in this paper. Offline plus online training is presented to build a model network % Y# d5 G0 f- e Y$ D0 I4 `0 n2 ~8 J
of vehicle steering and correct it in real time. Then we adopt a policy iteration adaptive dynamic programming (ADP) to get the9 R( J' J* }6 _+ D# k
optimal control law and deploy it to autonomous vehicles. Eventually, the performance of the controller was evaluated using , e( o4 Q! n# P* b6 G
Matlab simulation. Results verify the feasibility of the theory and show the steering controller is one kind of effective, smooth : Y5 i' q2 w; y& a* W4 Q; B" `$ P
controller for autonomous vehicles' system.
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