Intelligent Multiobjective Slip and Speed Ratio Control of a Novel Dual-Belt Continuously Variable Transmission for Automobiles

Figure 4

Experimental setup of prototype DBVCVT and test rig. (a) DC servo motor controllers; (b) DC servo motor (secondary pulleys); (c) worm gearbox of DC servo motor (secondary pulleys); (d) power screw mechanism (secondary pulleys); (e) integral torque and speed sensors (primary pulleys); (f) three-phase AC motor; (g) spring; (h) load cell (secondary pulleys); (i) variator 1; (j) variator 2; (k) inverse differential gearbox; (l) load cell (primary pulleys); (m) power screw mechanism (primary pulleys); (n) worm gearbox of DC servo motor (primary pulleys); (o) DC servo motor (primary pulleys); (p) flywheel; (q) magnetic powder dynamometer; (r) input shaft; (s) output shaft; (t) synchronous shift fork (secondary pulleys); (u) synchronous shift fork (primary pulleys); (v) dynamometer controller; (w) control program; (x) programmable ECU; (y) inverter for AC motor; (z) optical sensor.