Calculation of the Potential Role Value based on the Role Similarity Degree in multi-agent system

Aiming to resolve the problem of role binding and switching of the Multi-agent system, this paper puts forward the definition of Potential Role Value (PRV) and the method to calculate the PRV Vector based on the Role Similarity Degree (RSD). It also sets forth the method to adjust the role of agents in the Multi-agent system to avoid the inconstant factors and the loss caused by the frequent role switching.