Abstract:

An approach for hierarchical material flow modeling and its formalization description based on multi-resolution modeling(MRM)were introduced to meet the demand of integrated automation for the petrochemical industry.The strategy of model spatial and temporal mapping and the definition of model consistency were also proposed.The process of multi-resolution material flow modeling and the strategy of model mapping and validation in the petrochemical industry were presented in detail by the example of manufacturing execution system(MES).Practical applications indicated that the hierarchical material flow modeling method was quite effective.