Motor cable should not be damaged.

电动机接线电缆应无破损。

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The motor-cable device was modified so that the optimal control was realized by passive control, with less energy used for the space structure vibration attenuation.

通过简单改造的电机拉索结构，该最优控制能采用无需耗能的被动控制方式实现，为航天结构振动抑制节省控制能量。

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Designed to be lightweight and cheap to produce, the robotic bicep upgrade uses a (mostly) aluminum frame, battery-powered DC motor, cable drive system, racket braking and thumbstick controller for movement, with a BeagleBone board supervising the electronics that pull it all together.

ENGADGET: UPenn's TitanArm exoskeleton prototype makes light work of heavy lifting (video)

The queues for a ride on the city's cable-cars are matched only by those in Disneyland and at the Department of Motor Vehicles.

ECONOMIST: City life