四连杆膝关节假肢的动力学建模与分析$^{\bf 1)}$
吕阳*,方虹斌**††,徐鉴**††,马建敏*,王启宁***,张晓旭**††2)()
DYNAMIC MODELING AND ANALYSIS OF THE LOWER LIMB PROSTHESIS WITH FOUR-BAR LINKAGE PROSTHETIC KNEE$^{\bf 1)}$
Lü Yang*,Fang Hongbin**††,Xu Jian**††,Ma Jianmin*,Wang Qining***,Zhang Xiaoxu**††2)()

图3. 四连杆膝关节 J 形瞬心轨迹

Fig.3. Four-bar linkage prosthesis knee's J-curve of instantaneous rotation center