Research on five-shift transmission and planetary gear transmission scheme

Using lever analogy was to analyze the achievable shift number, and deeply study on the basic coupling components, arrangement, the possible joint forms and brief drawings of three-degree-of-freedom three-planet-row epicycle gear transmission. And the feasible train scheme was obtained. The passages also gave computer-assisting-analyze on the feasible scheme from shift, movement and torque etc, and got the mathematical method, which quantificationally deals with the fuzzy evaluation of these train schemes of the epicycle gear transmission. Through the fuzzy comprehensive evaluation the passage got the result of evaluation, and it makes necessary preparation for researching and developing automated transmission.