期刊
IEEE CONTROL SYSTEMS LETTERS
卷 3, 期 2, 页码 404-409出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCSYS.2018.2889963
关键词
Distributed optimization; linear programming; box constraint; time-varying inequality; convexification
资金
- FNRS MIS Optimization-Free Control of Nonlinear Systems Subject to Constraints [F.4526.17]
This letter proposes a multi-agent distributed solution for linear programming (LP) problems with time-invariant box constraints on the decision variables and possibly time-varying inequality constraints. This class of LP problems is relevant in different multi-agent smart systems. In the proposed approach, each agent computes only a single or a few of decision variables, while convergence to the optimal solution for the overall problem is guaranteed. Using a strong convexification of the problem combined with the barrier method, we prove that, despite the fact that the inequalities are time-varying, the tracking error remains bounded, and the bound is proportional to the rate of change of parameters. The effectiveness of the proposed scheme is demonstrated through a simulation study on a wireless power transfer network.
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