Development Of Automotive Side Mirror Actuator Using Shape Memory Alloy (SMA) Material

Muhammad Azrul Amin, Jamaluddin (2011) Development Of Automotive Side Mirror Actuator Using Shape Memory Alloy (SMA) Material. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Shape Memory Alloy (SMA) is a metallic material that demonstrates the ability to return to some previously defined shape or size when subjected to the appropriate thermal procedures. The most use of SMA in the market is Nitinol due to its good electrical and mechanical properties. The unique behavior of SMA makes it suitable as an actuator .As an actuator, the shape memory component is design to exert force over a considerable range of motion, often for many cycles. SMA actuators nowadays are widely used especially in robotic field and medical field. In this generation of automotive industry, SMA has been studied for the changes of the former actuator such as motor. SMA probably can use in the automobile actuator in order to reduce the complex mechanism to more simple mechanism, less noise, less space. For example, automobile in the present mostly use motor actuator at their side mirror. SMA actuator could be changing that normal mechanism to a new one. According to the functional of SMA, it surely can be a new actuator to the car side mirror. The objective are, to create a new invention, although it will not guarantee the successive, but researches have been made for the best try. Many designs of SMA side mirror actuator have been made, and the best design is defined based on the value of advantages among all designs. From this project in making a new prototype of side mirror actuator, the results are very positive although there are some problems occur during fabrication. SMA wire can be the new actuator for the side mirror based on its own ability. Problems faced have been solved with the regenerative ideas on how to replace the SMA wire.

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