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Tunable Actuator Joint Modules Having Energy Recovering Quasi-Passive Elastic Actuators with Internal Valve Arrangements
Tunable Actuator Joint Modules Having Energy Recovering Quasi-Passive Elastic Actuators with Internal Valve Arrangements
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机译:可调谐致动器接头模块,具有能量回收准无源弹性致动器,具有内阀装置
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摘要
A robotic system for a robotic limb configured to recover energy for minimizing power consumption of the robotic system, comprising a first support member, a second support member, and a quasi-passive elastic actuator rotatably coupling the first and second support members to define a joint of the robotic system rotatable about an axis of rotation defining a degree of freedom. The quasi-passive elastic actuator can comprise a first vane device and a second vane device, the first vane device and second vane device being rotatable relative to each other within the housing and defining, at least in part, a compression chamber and an expansion chamber. The system can further comprise a valve assembly, the valve assembly comprising a valve device disposed through an opening of the first vane device along the axis of rotation, and a shunt circuit facilitating fluid flow between the compression and expansion chambers through the valve assembly. The valve assembly is operable to position the valve device in an open position to open the shunt circuit to place the quasi-passive elastic actuator in an inelastic state, and to position the valve device in a closed position to close the shunt circuit to place the quasi-passive elastic actuator in an elastic state.
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