Study Of Fuzzy Reliability And Optimization About Novel Double-Camshaft Few Teeth Difference Gear Reducer

On the basis of analyzing and discussing the structural theory of Three-Ring Gear Reducer, this dissertation gave 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, as well as solving the equilibrium causing by the motion, 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, and the feasibility of the novel gear reducer is proved by way of those calculations and analysis. Taking advantage of the powerful technical software, PRO/ENGINEER, and applying some reasonable designed model of the Three-Ring Gear Reducer, carry out the virtual design with a good result.Determination about the modification coefficients of few teeth difference transmission is fairly essential task, which some limitations,such as the minimum overlapped coefficient of this gear couple, should be decided ahead. This dissertation programmed some codes to calculate those coefficients in light of the idea and theory of so called closed-diagram.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.