An Experimental Study on Dynamics of a Novel Dual-Belt Continuous Variable Transmission Based on a Newly Developed Test Rig

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; 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. LVDT sensor.