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Magnetorheological (MR) fluid is a smart fluid, which theological behavior can be controlled by magnetic field. Rotary devices using MR fluids have the benefits of high torque, good controllability, and low power requirement. Recently, we developed a new MR actuator and applied it to assistive knee braces. It was demonstrated that the knee brace with this MR actuator can provide proper torque under...
Magnetorheological (MR) fluid is a smart fluid that its rheological behavior can be controlled by magnetic field. Rotary devices using MR fluids have the benefits of high torque, good controllability, and low power requirement. Recently, we developed a new MR actuator to be applied to an assistive knee brace. It was demonstrated that the MR actuator can provide sufficient torque for normal human activities...
Most mobile exoskeletons use DC motors as actuators and batteries as power sources. While DC motor consumes a lot of power and limits the working time of the exoskeleton, it produces large impedance that would cause discomfort and danger to people. Magnetorheological (MR) fluid is a smart fluid that can change its rheological behavior under applied magnetic field. Devices using MR fluids have the...
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