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Theses

Architecture et contrôle du patinage d'un véhicule mono et multi-source de puissance

Abstract : The technical progress made during last years in the battery field and the environmental standards hardening lead to an increased interest in hybrid and electric vehicles. The possibility to use several power sources inside a vehicle leads to question the traditional vehicle architectures and to study multi-power sources architectures. After a state of the art on architectures and torque transmission systems, the VELROUE project's prototype is presented. This prototype is later used as a validation platform. Then, the rear wheels slipping control of the VELROUE vehicle which is equipped with an internal combustion engine on the front axle and with two electric motors connected to the rear wheels is studied. Next, different vehicle models are described to analyze energy transfers inside the system using Bond Graph, to synthesize anti-slipping control laws and to simulate the vehicle behavior in order to validate the anti-slipping functions (ASR). A first PID-like controller is initially introduced to serve as reference. The main contribution of this thesis deals with the synthesis and implementation of nonlinear controls either using linearizing feedback, or based on the flatness theory. The synthesis controls models come from classical hypothesis: longitudinal and vertical dynamics and pitch on a double bicycle model. A control strategy is also developed to assure driver's security, to reduce material needs and to enhance the driver approval. Finally, the nonlinear controls developed here are simulated and then experimentally validated on the VELROUE vehicle. A comparison of these commands is performed according to energy, performance, complexity and cost criteria. These control laws developed for ASR are extended to regenerative braking phases (MSR), which is also an originality of this work.
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Cédric Chapuis. Architecture et contrôle du patinage d'un véhicule mono et multi-source de puissance. Autre. INSA de Lyon, 2012. Français. ⟨NNT : 2012ISAL0104⟩. ⟨tel-01647220⟩

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