Figures & data
Figure 1. Modified gear-based knee joint prosthesis with the integrated locking mechanism, (a) CAD design and (b) real view
Figure 2. Block diagram of the locking mechanism
Figure 3. Illustration of wiring of the control circuit
Figure 4. Set-up of the experiment
Figure 5. Procedure of experiment
Figure 6. Algorithm of the program code
Figure 7. The state of locking mechanism with the fluctuation of y, p and r values during normal speed walking
Figure 8. The fluctuation of y, p and r values during a sudden disturbance
Figure 9. Knee joint at (a) locked state, (b) transition from locked to unlocked state, (c) corresponding data from the controller
Figure 10. Knee joint at (a) locked condition (b) unlocked condition
Figure 11. Fluctuation of “p” and “r” values when the locking mechanism triggered from unlocked to locked state and vice-versa
Figure 12. Angle of knee joint at different points of time during the gait cycle (a) experimental data, (b) real gait cycle (Nandy et al., Citation2012)
