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This paper presents a flow regulator based on a fast-response giant magnetostrictive actuator (GMA). The finite-element method is adopted for analyzing and optimizing the magnetic circuit structure of the GMA, and the influence of structural parameters on the driving magnetic field uniformity is summarized. Based on the analysis and output demand, a prototype of the GMA driven by a Φ5 × 40 mm giant...
This paper presents a basic research on giant magnetostrictive actuator (GMA) for fuel injector. An injector is a pilot operational valve with position servomechanism, which enables to control injection rate freely with input current into the actuator. Based on the combination of finite element analysis and experiment, a prototype of GMA is successfully made as well as the test platform. The injector...
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