Symmetry Application in the Control Design of Cyber-Physical Systems

Dear Colleagues,

Control design involves large-scale cyber–physical systems (CPS) such as smart grids, intelligent traffic systems, and industrial processes. The large scale of CPS leads to high dimensional states in control synthesis that requires many computational costs and lacks flexibility and scalability if we treat the CPS as a whole. Moreover, cyber-attacks on CPS induce nonlinearity and complexity, challenging the optimization of the control system.

The challenges may be tackled by utilizing the symmetry of CPS. The large complex CPS can be decomposed into many small subsystems with inherent symmetry or equivalent symmetry to simplify the control synthesis, reducing the computational burden and enhancing flexibility/scalability. These promote new theories and structures for symmetry decomposition in control designs of CPS. For those inherent symmetrical CPS, the symmetry decomposition inspires the new structure of the decomposed groups that optimized the control performance. For those inherent asymmetrical CPS, the symmetry decomposition inspires the imposed constraints to make the subsystems equivalent symmetrical.

Dr. Jian Sun
Dr. Zhiqin Zhu
Prof. Dr. Xiaojie Chen
Guest Editors

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