The design of reciprocating seal is extra important to the hydraulic cylinder’s performances at lower speed, sensitive, dynamic and static rigidity. Technology evolution of TRIZ provides the laws or prevailing lines of technology system evolution which a designer should follow to find the inventive solutions. To help a designer to get the innovative ideas in a short time by using TRIZ evolution theory and to make the innovative design process operable, a CAI software tool for gauging and positioning of the state of a system in relation to each law or line of technology system evolution is developed. It can draw the evolutionary potential radar plot of studied system automatically on the basis of evolution analysis. The innovative design of reciprocating seal for hydraulic cylinder is detailed according to the future possible development opportunities that evolutionary potential plot recommends.
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