Research on active propelling of knowledge for variant design

The key of variant design is to acquire design knowledge,which includes important design drawings,design experience,design data,subject criteria and so on.Specific to the shortages that the design knowledge can't be transmitted to the proper designer at proper time in the current variant design system,a framework based on knowledge active propelling driven by workflow is proposed and the layers are analyzed.Then a variant active propelling mode is proposed,in which a knowledge active propelling model supporting variant design is established based on workflow and knowledge propelling.Finally an example of variant design for eddy current retarder is provided to realize knowledge active propelling.