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Sensitivity-based multistep MPC for embedded systems

Title data

Palma, Vryan Gil ; Suardi, Andrea ; Kerrigan, Eric C.:
Sensitivity-based multistep MPC for embedded systems.
In: IFAC-PapersOnLine. Vol. 48 (2015) Issue 23 . - pp. 360-365.
ISSN 2405-8963

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Project information

Project title:
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Marie-Curie Initial Training Network "Sensitivity Analysis for Deterministic Controller Design" (SADCO)

Project financing: 7. Forschungsrahmenprogramm für Forschung, technologische Entwicklung und Demonstration der Europäischen Union

Abstract in another language

In model predictive control (MPC), an optimization problem is solved every sampling instant to determine an optimal control for a physical system. We aim to accelerate this procedure for fast systems applications and address the challenge of implementing the resulting MPC scheme on an embedded system with limited computing power. We present the sensitivity-based multistep MPC, a strategy which considerably reduces the computing requirements in terms of floating point operations (FLOPs), compared to a standard MPC formulation, while fulfilling closed-loop performance expectations. We illustrate by applying the method to a DC-DC converter model and show how a designer can optimally trade off closed-loop performance considerations with computing requirements in order to fit the controller into a resource-constrained embedded system.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: model predictive control; suboptimality; robustness; sensitivity analysis; reducing computational expense
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Mathematics > Chair Mathematics V (Applied Mathematics)
Profile Fields > Advanced Fields > Nonlinear Dynamics
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Mathematics
Profile Fields
Profile Fields > Advanced Fields
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 510 Mathematics
Date Deposited: 03 Feb 2016 07:57
Last Modified: 11 Oct 2023 11:29

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