Abstract
Mechanism design becomes more complicated to achieve higher mechanical functions. It is necessary to create appropriate configuration and geometry at upstream design stage to satisfy design specifications at detail design stage. In our study, a design system is developed for generating gear trains under design constraints on a specified area. The design specifications are input position, output position, input torque, output torque, rotation direction and so on. Spur gear trains are generated by using random method combined with local optimization method based on the conjugate gradient method. The objective function evaluates weight, efficiency and life of generated gear train. Multi-objective design optimizations in spur gear train generation problems are examined by using Satisficing Trade-off Method. For several examples, optimal gear trains are generated successfully. Trade-off relationships in spur gear train design are examined by the optimization system. The effectiveness of the mechanism generation algorithm is reported.
