形状记忆合金驱动手指功能康复外骨骼设计
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王扬威,吕佩伦,郑舒方,王奔,李健
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Design of exoskeleton for functional rehabilitation of fingers driven by shape memory alloy
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Yang-wei WANG,Pei-lun LV,Shu-fang ZHENG,Ben WANG,Jian LI
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| 表 1 形状记忆合金的相关参数 |
| Tab.1 Related parameters of shape memory alloy |
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| 参数 | 数值 | | 参数 | 数值 | | ${\rho _{{\text{SMA}}}}$/ (kg·m−3) | 6.5×103 | | ${t_{_{\text{Af}}}}$/℃ | 109.5 | | $l$/mm | 1000 | ${E_{\text{M}}}$/GPa | 27×109 | | ${r_0}$/mm | 0.3 | ${E_{\text{A}}}$/GPa | 65×109 | | ${t^{}_0}$/℃ | 25 | $\varTheta $/(MPa·℃−1) | 5.5×105 | | $c$(J·kg−1·℃−1) | 870 | $ \varOmega $/GPa | −1.12 | | ${t_{_{\text{Ms}}}}$/℃ | 61.1 | ${h_1}$ | 880 | | ${t_{_{\text{Mf}}}}$/℃ | 34.5 | ${h_2}$ | 16 | | ${t_{_{\text{As}}}}$/℃ | 69.3 | — | — |
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