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5 May 2005 Two-stage actuation system using DC motors and piezoelectric actuators for controllable industrial and automotive brakes and clutches
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Abstract
High bandwidth actuation systems that are capable of simultaneously producing relatively large forces and displacements are required for use in automobiles and other industrial applications. Conventional hydraulic actuation mechanisms used in automotive brakes and clutches are complex, inefficient and have poor control robustness. These lead to reduced fuel economy, controllability issues and other disadvantages. This paper involves the design, development, testing and control of a two-stage hybrid actuation mechanism by combining classical actuators like DC motors and advanced smart material actuators like piezoelectric actuators. The paper also discusses the development of a robust control methodology using the Internal Model Control (IMC) principle and emphasizes the robustness property of this control methodology by comparing and studying simulation and experimental results.
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Vijay A. Neelakantan, Gregory N. Washington, and Norman K. Bucknor "Two-stage actuation system using DC motors and piezoelectric actuators for controllable industrial and automotive brakes and clutches", Proc. SPIE 5762, Smart Structures and Materials 2005: Industrial and Commercial Applications of Smart Structures Technologies, (5 May 2005); https://doi.org/10.1117/12.600296
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