STEM与日常科技·英语30篇（5）
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How Exoskeletons Recycle Energy During Walking and Climbing
外骨骼如何在行走与攀爬中回收能量？
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Modern wearable exoskeletons capture kinetic energy when users bend their knees or lower their hips.
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Spring-loaded actuators and regenerative braking systems convert motion into stored electrical or mechanical energy.
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During stair descent, motors act as generators, slowing movement while charging onboard batteries efficiently.
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This recovered power helps extend battery life by up to thirty percent during eight-hour work shifts.
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Engineers tune damping ratios so energy return feels natural, not robotic or delayed.
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Unlike passive braces, smart exoskeletons adjust recycling rates based on real-time gait analysis and load sensors.
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Field tests show warehouse workers lift heavier boxes with less fatigue thanks to recycled assistive torque.
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Energy recovery works best on repetitive motions, making it ideal for logistics, construction, and rehabilitation.
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Thermal losses still occur, but new piezoelectric composites reduce heat waste during conversion.
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Ultimately, these systems turn human motion itself into a sustainable power source for assistance.