Abstract
Cloud manufacturing is a new type of modern manufacturing mode. The Cloud Manufacturing Service Composition (CMSC) is one of the key issues of cloud manufacturing. The quality and efficiency of cloud manufacturing services are influenced by the rationality of the optimisation model. Previous studies have rarely considered the impact of cooperation between services on the quality of the manufacturing service composition. In this paper, a Service Cooperation Level (SCL) evaluation mechanism and a corresponding update model are proposed to dynamically measure the level of cooperation between services. Furthermore, a novel Cloud Manufacturing Service Composition model with Service Cooperation Level Evaluation (CMSC-SCLE) is established by introducing the SCL evaluation value as a new objective. Finally, an Improved Strength Pareto Evolutionary Algorithm 2 (ISPEA2) is proposed to solve the CMSC-SCLE problem. The experimental results show that the CMSC-SCLE model is more practical than the CMSC model. In addition, compared with four other classical multi-objective optimisation algorithms, ISPEA2 achieves better performance when solving CMSC-SCLE problem.
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