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- Title
Dissipativity reinforcement in feedback systems and its application to expanding power systems.
- Authors
Urata, Kengo; Inoue, Masaki
- Abstract
Summary: This paper focuses on the performance analysis and improvement of interconnected passive systems. We assume that each subsystem has a special passivity property that is characterized by 2 parameters. The parameters are also utilized for evaluating the dissipation performance as the L2‐gain. Then, the feedback system composed of passive subsystems inherits the parameter‐dependent passivity, and the parameter transition is given. In addition, it is shown that the dissipation performance of the feedback system is strictly improved as compared with that of the subsystems, which is called dissipativity reinforcement in this paper. Furthermore, we expand the feedback system to a larger‐scale system via the iterative feedback connection of the passive subsystems. Then, the performance of the entire system is gradually reinforced with the increase in the number of subsystems. Subsequently, we extend the class of parameter‐dependent passivity to a frequency‐dependent one. Finally, dissipativity reinforcement via an iterative feedback connection is applied to a power system that involves a large number of renewable energy generators. In particular, we propose a strategy for designing the power system, such that the dissipation performance of the entire system is gradually reinforced via scale expansion, ie, with the increase in the amount of energy generators installed.
- Subjects
ENERGY dissipation; RENEWABLE energy sources; NUCLEAR power plants; POWER resources; TRANSFER functions
- Publication
International Journal of Robust & Nonlinear Control, 2018, Vol 28, Issue 5, p1528
- ISSN
1049-8923
- Publication type
Article
- DOI
10.1002/rnc.3965