347490.fig.008a
(a) Speeds of engine and clutch driven plate (1: engine speed in open-loop control, 2: clutch 1 driven plate speed in open-loop control, 3: clutch 2 driven plate speed in open-loop control, 4: engine speed after closed-loop modification, 5: clutch 1 driven plate speed after closed-loop modification, and 6: clutch 2 driven plate speed after closed-loop modification)
347490.fig.008b
(b) Jerk intensity
347490.fig.008c
(c) Torque of engine and clutch (1: engine torque in open-loop control, 2: clutch 1 torque in open-loop control, 3: clutch 2 torque in open-loop control, 4: engine torque after closed-loop modification, 5: clutch 1 torque after closed-loop modification, and 6: clutch 2 torque after closed-loop modification)
347490.fig.008d
(d) Sliding friction work
347490.fig.008e
(e) Vehicle speed
Figure 8: The influence of clutch torque hysteresis on control effect.