Design of powered ankle-foot prosthesis driven by parallel elastic actuator
作者： Fei Gao , Wei-Hsin Liao , Bing Chen , Hao Ma , Lai-Yin Qin
DOI: 10.1109/ICORR.2015.7281228
关键词:
摘要: To improve the energy efficiency and downsize powered ankle-foot prostheses (PAFP) but still provide sufficient instantaneous power output, elastic actuators (EAs) are widely used. Generally, there two kinds of EAs: series actuator (SEA), parallel (PEA). Both them can reduce requirement peak motor in PAFP by using elements to store release during walking cycles. Researchers working on fields have been focusing design driven SEAs. As a result, several SEAs were proposed. Compared with SEAs, PEAs could more benefits, such as lower copper loss higher force bandwidth due smaller output torque requirement. In this paper, we aim at designing PEA. Based analysis, an energy-efficient is The designed mimic human intact ankle minimum consumption that equals net positive work. Besides, being decreased, reduced 64%.
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