Development of Tri-Stable Rotary Solenoid Actuator

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  • 三位置揺動型ソレノイドの開発
  • サン イチヨウドウガタ ソレノイド ノ カイハツ

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<p>We have designed and developed a tri-stable rotary solenoid actuator, which has a simple structure and simple operation. The plunger has two stabilities at the extreme positions along an angular stroke and the third stability at the center of it. The third has been successively achieved by using the electromagnetic restoring torque, which is designed to be larger than the inertia torque. The dynamic characteristics were determined by utilizing an optimal design program that is specially constructed based on the response surface method in order to design the coil winding and the power supply for the coil excitation. A prototype solenoid was constructed and used to verify the tri-stable motions and accuracy of the previously constructed design program.</p>

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