A hybrid supervisory control approach for virtual production systems
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Abstract
With the development of computer technology, the anticipated extensive use of virtual production systems (VPSs) in the future has encouraged its intensive research recently. However, a limited amount of research has been made on its efficient control. In this paper, a hybrid supervisory control approach based on autonomy and coordination is proposed for VPSs to enhance the efficiency of control. Its three primary advantages are: (1) application of supervisory control theory, which can efficiently obtain the desired property through closed-loop feedback; (2) use of hybrid control structure combining hierarchical and distributed ones, which can avoid the exponential explosion of state space due to synthesis of models; and (3) utilization of autonomous and coordination mechanisms, which can keep the balance of local quick response and global optimization. A case study is used to illustrate how to implement the proposed approach, and is finally analyzed and simulated by an integrated tool named UPPAAL.
Keywords
Autonomy and coordination Hybrid supervisory control Supervisory control theory Virtual production systems (VPSs)Preview
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Notes
Acknowledgement
The work described in this paper was substantially supported by a Research Grant from the National Natural Science Foundation of China (70271036).
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