Study Of Fuzzy Reliability And Optimization About Novel Double

On the basis of analyzing and discussing the structural weakness of present planetary gear reducer with few teeth difference, this dissertation gaves a new scheme of planetary gear reducer with few teeth difference. Through adequately making use of the theory of few teeth difference transmission, and alleviating disadvantages of liberation, noise and over-heat, the novel gear reducer gives new way to meet the needs of the developing mechanical transmission.In this dissertation, kinetic analysis is presented by calculation and analysis, conclusion are drawn that the inertia force and moment of gear reducer can be completely balanced when phase difference among eccentric- ity of ring plates equals 180° .Taking advantage of the powerful technical software, PRO/ENGINEER,carry out the virtual design with a good result.This dissertation also decides modification coefficient of few teeth difference transmission by the methods which the interference condition GS is made to approach the expected critical value e under which there is no interference. When the coefficient of offset is used to design modified gears,the contact ratio ,is increased besides a reduction in gear size, and no interference will occur.And based on traditional design, for the design requirements and the working condition, a fuzzy reliability model is established by using principle of fuzzy mathematics and analysis of fuzzy reliability of gear reducer. Accordingly,the fuzzy-optimization model is changed to routine-optimization model. Optimization codes are also programmed to solve the problem by means of another powerful software MATLAB.