347490.fig.009a
(a) Speeds of engine and clutch driven plate
347490.fig.009b
(b) Jerk intensity
347490.fig.009c
(c) Torque of engine and clutch
347490.fig.009d
(d) Sliding friction work
347490.fig.009e
(e) Vehicle speed
Figure 9: Simulation results of shifting from 2nd to 1st speed gear downshifting process.