STEM与日常科技·英语30篇（1）
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Biomimetic Robots and Legged Locomotion
仿生机器人与足式行走
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Unlike wheeled robots, legged machines like Boston Dynamics’ Spot navigate stairs, rubble, and uneven forest floors without needing ramps or lifts.
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Their motion mimics biological principles: spring-loaded tendons store energy during foot contact, then release it for efficient next steps.
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Real-time feedback from ankle torque sensors and IMUs lets them adjust stance within milliseconds when slipping on ice or gravel.
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Gait patterns — such as trotting or pacing — are optimized in simulation before deployment, balancing speed, stability, and power use.
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Some models carry lidar and stereo cameras to build 3D maps while walking, enabling autonomous inspection of offshore oil rigs or mines.
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Legged robots operate silently and with minimal ground disturbance, making them suitable for wildlife monitoring in sensitive habitats.
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Control algorithms borrow from neuroscience, using central pattern generators to produce rhythmic, adaptive stepping without constant brain-like computation.
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Though less energy-efficient than wheels on flat roads, legs offer unmatched versatility where infrastructure is absent or damaged.