Response Time Driven Design of Control Systems

Yang Xu; Karl-Erik Årzén; Enrico Bini; Anton Cervin

Response Time Driven Design of Control Systems

Yang Xu, Karl-Erik Årzén, Enrico Bini, Anton Cervin

Research output: Contribution to conference › Paper, not in proceeding › peer-review

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Abstract

A correct design of controllers must necessarily account for the schedule of the controller task over the processor. Existing design techniques are based on the assumption that there is no delay, or the delay is constant over time. However, in practice, almost all controllers have time-varying delay, hence invalidating this assumption. In this paper, we introduce a period design policy, in which the controller delay is modelled by the distribution of the task response time. We show, via simulation, that our method can reduce the control cost compared to the state-of-art methods.

Original language	English
Publication status	Published - 2014
Event	19th IFAC World Congress, 2014 - Cape Town, South Africa Duration: 2014 Aug 24 → 2014 Aug 29 Conference number: 19

Conference

Conference	19th IFAC World Congress, 2014
Country/Territory	South Africa
City	Cape Town
Period	2014/08/24 → 2014/08/29

Bibliographical note

project=elliit-sched

Subject classification (UKÄ)

Control Engineering

Free keywords

Real-time systems
scheduling algorithms
control systems
LQG control
time delay

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ifacconfAccepted author manuscript, 309 KB

ELLIIT LU P02: Co-Design of Robust and Secure Networked Embedded Control Systems
Cervin, A. (PI), Årzén, K.-E. (Researcher), Maggio, M. (Researcher), Vreman, N. (Research student), Xu, Y. (Research student), Bini, E. (Researcher), Nayak Seetanadi, G. (Researcher), Thelander Andrén, M. (Researcher), Pazzaglia, P. (Researcher), Peng, Z. (Researcher), Eles, P. (Researcher), Mahfouzi, R. (Researcher), Samii, S. (Researcher) & Aminifar, A. (Researcher)
2010/01/01 → 2020/01/31
Project: Research

Cite this

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title = "Response Time Driven Design of Control Systems",

abstract = "A correct design of controllers must necessarily account for the schedule of the controller task over the processor. Existing design techniques are based on the assumption that there is no delay, or the delay is constant over time. However, in practice, almost all controllers have time-varying delay, hence invalidating this assumption. In this paper, we introduce a period design policy, in which the controller delay is modelled by the distribution of the task response time. We show, via simulation, that our method can reduce the control cost compared to the state-of-art methods.",

keywords = "Real-time systems, scheduling algorithms, control systems, LQG control, time delay",

author = "Yang Xu and Karl-Erik {\AA}rz{\'e}n and Enrico Bini and Anton Cervin",

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TY - CONF

T1 - Response Time Driven Design of Control Systems

AU - Xu, Yang

AU - Årzén, Karl-Erik

AU - Bini, Enrico

AU - Cervin, Anton

N1 - Conference code: 19

PY - 2014

Y1 - 2014

N2 - A correct design of controllers must necessarily account for the schedule of the controller task over the processor. Existing design techniques are based on the assumption that there is no delay, or the delay is constant over time. However, in practice, almost all controllers have time-varying delay, hence invalidating this assumption. In this paper, we introduce a period design policy, in which the controller delay is modelled by the distribution of the task response time. We show, via simulation, that our method can reduce the control cost compared to the state-of-art methods.

AB - A correct design of controllers must necessarily account for the schedule of the controller task over the processor. Existing design techniques are based on the assumption that there is no delay, or the delay is constant over time. However, in practice, almost all controllers have time-varying delay, hence invalidating this assumption. In this paper, we introduce a period design policy, in which the controller delay is modelled by the distribution of the task response time. We show, via simulation, that our method can reduce the control cost compared to the state-of-art methods.

KW - Real-time systems

KW - scheduling algorithms

KW - control systems

KW - LQG control

KW - time delay

M3 - Paper, not in proceeding

T2 - 19th IFAC World Congress, 2014

Y2 - 24 August 2014 through 29 August 2014

ER -

Response Time Driven Design of Control Systems

Abstract

Conference

Bibliographical note

Subject classification (UKÄ)

Free keywords

Access to Document

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Projects

ELLIIT LU P02: Co-Design of Robust and Secure Networked Embedded Control Systems

Cite this