Reinforcement Learning Fuzzy Neural Network Control for Magnetic Shape Memory Alloy Actuator
نویسندگان
چکیده
منابع مشابه
Reinforcement Learning Fuzzy Neural Network Control for Magnetic Shape Memory Alloy Actuator
Magnetic shape memory alloy actuator is a new type of actuator that can offer big travel and high resolution of output displacement, which makes it suitable for driving task. However, its output displacement represents the hysteresis applied to input magnetic field. Hysteresis restricts its application in the high precision positioning. In order to eliminate the hysteresis of magnetic shape mem...
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In the field of micromechatronics, microrobotics and specially microfactories, active materials are used in most cases. They permit high resolution and distributed actuation. In this area, Magnetic Shape Memory Alloys (MSMA) are possible candidates. If a lot of studies deal with MSMA, only few applications use them until now. MSMA are attractive active materials because they have large strain (...
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Components made of alloys with a magnetic shape memory (MSMA) are not commonly used in industrial systems or prototype solutions. The reasons behind this include the cost and implementation difficulties attached to MSMA alloys synthesis technology. The article presents the results of a prototype actuator in which the active element is a rod made of Ni-Mn-Ga alloy and with dimensions of 2x1x20 m...
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In order to exhaustively exploit the high-level capabilities of shape memory alloys (SMAs), they must be applied in control systems applications. However, because of their hysteretic inherent, dilatory response, and nonlinear behavior, scientists are thwarted in their attempt to design controllers for actuators of such kind. The current study aims at developing a micro-position control system ...
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In this paper various applications of shape memory alloys (SMA) in bio-medical field based upon their material properties are discussed, and a novel SMA spring actuator design for biopsy is proposed. Design parameters such as spring configuration, wire diameter required for designing the actuator were defined and obtained through experiments. Finally, itconcludeswith the possibility of using SM...
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ژورنال
عنوان ژورنال: International Journal of Control and Automation
سال: 2014
ISSN: 2005-4297,2005-4297
DOI: 10.14257/ijca.2014.7.6.11