Abstract
Cloud manufacturing (CMfg) is a new service-oriented smart manufacturing paradigm, and it provides a new product development model in which users are enabled to configure, select, and utilize customized manufacturing service on-demand. Because of the massive manufacturing resources, various users with individualized demands, heterogeneous manufacturing system or platform, and different data type or file type, CMfg is fully recognized as a kind of complex manufacturing system in complex environment and has received considerable attention in recent years. In practical scenarios of CMfg, the amount of manufacturing task may be very large, and there are always quite a lot of candidate manufacturing services in cloud pool for corresponding subtasks. These candidate services will be selected and composed together to complete a complex manufacturing task. Obviously, manufacturing service composition plays a very important role in CMfg lifecycle and thus enables complex manufacturing system to be stable, safe, reliable, and efficient and effective. In this paper, a new manufacturing service composition scheme named as Multi-Batch Subtasks Parallel-Hybrid Execution Cloud Service Composition for Cloud Manufacturing (MBSPHE-CSCCM) is proposed, and such composition is one of the most difficult combination optimization problems with NP-hard complexity. To address the problem, a novel optimization method named as Improved Hybrid Differential Evolution and Teaching Based Optimization (IHDETBO) is proposed and introduced in detail. The results obtained by simulation experiments and case study validate the effectiveness and feasibility of the proposed algorithm.
Highlights
The continuing rise in customer expectation, demand of environmental-friendly production, rapid responsiveness to market changes, and other market competitions poses a critical challenge to manufacturing industry
In this paper, we propose a manufacturing service composition scheme named as Multi-Batch Subtasks Parallel-Hybrid Execution Cloud Service Composition for Cloud Manufacturing (MBSPHE-cloud service composition for cloud manufacturing (CSCCM))
cloud manufacturing (CMfg) is a typical complex system in complex environment, and the manufacturing resources are encapsulated as cloud service (CS)
Summary
The continuing rise in customer expectation, demand of environmental-friendly production, rapid responsiveness to market changes, and other market competitions poses a critical challenge to manufacturing industry. As a new manufacturing paradigm, CMfg is a kind of large-scale networked distributed manufacturing mode that simultaneously provides multiple users with customized manufacturing services on a CMfg system or platform by organizing online manufacturing resources which are always virtualized and encapsulated as manufacturing services. Both the concepts of “integration of distributed resources” and “distribution of integrated resources” are reflected in CMfg. So, the advantage of CMfg is that the philosophy of “software as a service” is expanded to “manufacturing as a service”, which enables the cloud system to virtualize and servitize the manufacturing resources and capabilities including soft resource and hard resource. It is a strong demand that the system reaches stability, safety, reliability, and efficiency and effectiveness, and there are many theoretical and technological challenges for the CMfg in practical application
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