Distributed Dual Objective Control of A Flywheel Energy Storage Matrix System Under Jointly Connected Communication Network

TL;DR

This paper develops a distributed control method for a heterogeneous flywheel energy storage system that ensures power tracking and energy balancing simultaneously, using a novel approach based on a common energy trajectory and adaptive observers.

Contribution

It introduces a new theoretical framework proving the existence of a common energy trajectory and transforms the control problem into a double layer tracking problem solved via adaptive distributed observers.

Findings

The control scheme effectively achieves power tracking and energy balancing.

Simulation results validate the proposed control approach.

The method is applicable to systems with jointly connected communication networks.

Abstract

This paper studies the distributed dual objective control problem of a heterogenous flywheel energy storage matrix system aiming at simultaneous reference power track-ing and state-of-energy balancing. We first prove that the solution to this problem exists by showing the existence of a common state-of-energy trajectory for all the flywheel systems on which the dual control objectives can be achieved simultaneously. Next, based on this common state-of-energy trajectory, the distributed dual objective control problem is converted into a double layer distributed tracking problem, which is then solved by the adaptive distributed observer approach. Simulation results are provided to validate the effectiveness of the proposed control scheme.