Finding feedforward configurations using gramian based interaction measures
Journal article, 2021

A sparse control structure can be seen as a decentralised controller that is expanded to include feedforward or MIMO blocks. Here, use of the gramian based interaction measures to determine a sparse control structure with feedforward is examined. A modification to the method used today is proposed and it is demonstrated that it results in a considerable improvement. Furthermore, recently proposed modifications to scaling gramian based measures are expanded to also cover sparse control structures. We show that the method that yields the best result is when two different scaling methods are combined, using one to design a decentralized controller and another to find feedforward connections.

Interaction Matrix

Input-Output Pairing

Process Control

Sparse Control

Control Configuration Selection

Feedforward

Author

Fredrik Bengtsson

Chalmers, Electrical Engineering, Systems and control, Automatic Control

Torsten Wik

Chalmers, Electrical Engineering, Systems and control, Automatic Control

Modeling, Identification and Control

0332-7353 (ISSN)

Vol. 42 1 27-35

Subject Categories

Other Engineering and Technologies not elsewhere specified

Robotics

Control Engineering

DOI

10.4173/mic.2021.1.3

More information

Latest update

6/7/2021 9