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Method and System for Shape-Memory Alloy Wire Control

  • US 20150231329A1
  • Filed: 10/06/2014
  • Published: 08/20/2015
  • Est. Priority Date: 09/29/2005
  • Status: Active Grant
First Claim
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1. A shape-memory alloy wire actuation system comprising:

  • at least one shape-memory alloy wire;

    a valve member connected to the at least one shape-memory alloy wire wherein the shape-memory alloy wire, when actuated, actuates the valve member;

    a controller for controlling the ontime of the at least one shape-memory alloy wire; and

    a temperature sensor for determining the temperature of the shape-memory alloy wire, wherein the controller determines the ontime based on the temperature of the shape-memory alloy wire before actuation.

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