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The vehicle vibration affects its ride comfort and handling stability. Because the passive suspension has its limitations, many new-type suspensions have emerged as the times require. Active suspension is one of them. The vehicle active suspension based on giant magnetostrictive actuator (GMA) can finish active control of vibration relying on its energy system by actuator, so a good active vibration...
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...
Giant magnetostrictive material (Terfenol-D) is a new kind of functional material driven by magnetic-field. Under normal temperature, it has many merits including high strain, big output force and quick response, etc. That makes giant magnetostrictive actuators (GMA) have extensive application on electromagnetic-devices or MEMS such as precise positioning of machine tools, optical systems, micro pumps...
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