Hybrid terrain-adaptive lower-extremity systems

This invention describes a motorized artificial limb or support system for a leg joint. It includes a motor, a power supply, and a controller. The key feature is a safety mechanism where the controller automatically shorts the motor's electrical connections if power is lost, which helps slow down or dampen the joint's movement.

Why it matters: Since 2013, advancements in compact, low-latency microcontrollers and power electronics have made the precise and rapid detection of power loss, and subsequent motor lead shorting for damping, significantly more reliable and efficient for wearable devices.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedMotorized joint, power loss detection, control software

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