CUED Publications database

PIETOOLS: A Matlab Toolbox for Manipulation and Optimization of Partial Integral Operators

Shivakumar, S and Das, A and Peet, MM PIETOOLS: A Matlab Toolbox for Manipulation and Optimization of Partial Integral Operators. (Unpublished)

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In this paper, we present PIETOOLS, a MATLAB toolbox for the construction and handling of Partial Integral (PI) operators. The toolbox introduces a new class of MATLAB object, opvar, for which standard MATLAB matrix operation syntax (e.g. +, *, ' e tc.) is defined. PI operators are a generalization of bounded linear operators on infinite-dimensional spaces that form a *-subalgebra with two binary operations (addition and composition) on the space RxL2. These operators frequently appear in analysis and control of infinite-dimensional systems such as Partial Differential equations (PDE) and Time-delay systems (TDS). Furthermore, PIETOOLS can: declare opvar decision variables, add operator positivity constraints, declare an objective function, and solve the resulting optimization problem using a syntax similar to the sdpvar class in YALMIP. Use of the resulting Linear Operator Inequalities (LOIs) are demonstrated on several examples, including stability analysis of a PDE, bounding operator norms, and verifying integral inequalities. The result is that PIETOOLS, packaged with SOSTOOLS and MULTIPOLY, offers a scalable, user-friendly and computationally efficient toolbox for parsing, performing algebraic operations, setting up and solving convex optimization problems on PI operators.

Item Type: Article
Uncontrolled Keywords: math.OC math.OC math.DS
Divisions: Div F > Control
Depositing User: Cron Job
Date Deposited: 15 Oct 2020 03:36
Last Modified: 10 Aug 2021 01:49