Development of a Toroidal CVT Controller for Agricultural Tractor(Ⅰ) - Simulation for control system -
Kim, H.J.(LG Cable Ltd., Gunpo, Republic of Korea)E-mail:[email protected] | Ryu, K.H.(Seoul National University, Seoul, Republic of Korea)
Most of tractors in the world have manual gear transmission, and some of small tractors have hydrostatic transmission(HST). Since the HST is expensive and has low power efficiency, it is being used for only small garden tractors. The continuously variable transmission(CVT) is an alternative to the HST or power-shift gear transmissions. The driver of the CVT tractor doesn't have to operate a shift lever since the CVT controller automatically controls the speed of tractor.
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