Minimum attention control for linear systems

Donkers, M.C.F.; Tabuada, Paulo; Heemels, W.P.M.H.

doi:10.1007/s10626-012-0155-x

Cited by 38 publications

(34 citation statements)

References 19 publications

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“…The corresponding control input and the next time the controller needs to execute for an initial state inside the polytope are obtained based on a slightly modified version of the self-triggered controller approach in [DTH14]. From the transition graph, we know that if the initial state is in a particular polytope, the trajectory can only end up in a subset of polytopes.…”

Section: Online Stepmentioning

confidence: 99%

“…From the transition graph, we know that if the initial state is in a particular polytope, the trajectory can only end up in a subset of polytopes. Then, we shall solve the minimum attention control problem [DTH14], but enforcing extra constraints such that the final state of the plant after running in open-loop is guaranteed to be within this subset of polytopes. The problem remains a linear feasibility problem and, therefore, is of the same complexity order as the proposed approach in [DTH14].…”

Section: Online Stepmentioning

confidence: 99%

“…This is done based on a slightly modified version of the proposed approach in [DTH14]. 6 6 6 6 6 6 6.6.…”

Section: Calculation Of the Maximum Time H For Each Polytopementioning

confidence: 99%

“…• In Chapter 6, the proposed approach in [DTH14] is considered. Further investigation is needed to find out a wider class of selftriggered controllers for which the proposed analysis can be applied.…”

Section: Future Research Directionsmentioning

confidence: 99%

“…In this chapter, we focus on the self-triggered approach proposed by Donkers et al [DTH14], adapted for real-time analysis. We address the response-time and schedulability analysis for a mixed set of periodic hard real-time tasks and self-triggered control tasks.…”

Section: Introduction and Related Workmentioning

confidence: 99%

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Analysis, Design, and Optimization of Embedded Control Systems

Aminifar

2016

Linköping Studies in Science and Technology. Dissertations

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T oday, many embedded or cyber-physical systems, e.g., in the automotive domain, comprise several control applications, sharing the same platform. It is well known that such resource sharing leads to complex temporal behaviors that degrades the quality of control, and more importantly, may even jeopardize stability in the worst case, if not properly taken into account.In this thesis, we consider embedded control or cyber-physical systems, where several control applications share the same processing unit. The focus is on the control-scheduling co-design problem, where the controller and scheduling parameters are jointly optimized. The fundamental difference between control applications and traditional embedded applications motivates the need for novel methodologies for the design and optimization of embedded control systems. This thesis is one more step towards correct design and optimization of embedded control systems.Offline and online methodologies for embedded control systems are covered in this thesis. The importance of considering both the expected control performance and stability is discussed and a controlscheduling co-design methodology is proposed to optimize control performance while guaranteeing stability. Orthogonal to this, bandwidthefficient stabilizing control servers are proposed, which support compositionality, isolation, and resource-efficiency in design and co-design. Finally, we extend the scope of the proposed approach to non-periodic control schemes and address the challenges in sharing the platform with self-triggered controllers. In addition to offline methodologies, v a novel online scheduling policy to stabilize control applications is proposed. The research presented in this thesis has been partially funded by CUGS (the National Graduate School in Computer Science in Sweden), Ericsson's Research Foundation, eLLIIT (Excellence Center at Linköping-Lund on Information Technology), and the Swedish Research Council.Populärvetenskaplig Sammanfattning I dag omfattar många inbyggda system flera styrapplikationer som delar samma plattform. Dessa system används inom exempelvis bilindustrin, processindustrin och flygelektronik, för att nämna några. Det är välkänt att en sådan resursdelning leder till komplexa tidsbeteenden som försämrar kvaliteten på regleringen och i värsta fall kan även stabiliteten förloras.I denna avhandling betraktar vi inbyggda styrsystem, där flera styrapplikationer delar samma behandlingsenhet. Här har vi valt att fokusera på reglering-schemaläggning co-designproblemet. Till skillnad från traditionella inbyggda system där regleringsparametrarna och schemaläggningsparametrarna optimeras separat, behöver vi nu för inbyggda styrsystem optimera dessa samtidigt, vilket ger upphov till nya metoder. Denna avhandling är ytterligare ett steg mot effektiv design och optimering av inbyggda styrsystem.vii

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Section: Online Stepmentioning

confidence: 99%

Section: Online Stepmentioning

confidence: 99%

“…This is done based on a slightly modified version of the proposed approach in [DTH14]. 6 6 6 6 6 6 6.6.…”

Section: Calculation Of the Maximum Time H For Each Polytopementioning

confidence: 99%

Section: Future Research Directionsmentioning

confidence: 99%

Section: Introduction and Related Workmentioning

confidence: 99%

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Analysis, Design, and Optimization of Embedded Control Systems

Aminifar

2016

Linköping Studies in Science and Technology. Dissertations

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Event‐triggered Control of Linear Systems with Saturated Inputs

Ni¹,

Zhao²,

Wang³

et al. 2014

Asian Journal of Control

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This paper investigates the event-triggered control of linear systems with saturated state feedback and saturated observer-based feedback, respectively. The problem of simultaneously deriving stabilizing event-triggered controllers and tackling saturation nonlinearity is cast into a standard linear matrix inequalities problem. Key topics are studied, such as event-triggered observer design and event-triggered saturated observer-based feedback synthesis. Important issues are touched on, including the existence of the positive lower bound for inter-event times, and self-triggered algorithms.

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Introduction

Losada¹

2016

Contributions to Networked and Event-Triggered Control of Linear Systems

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Minimum attention control for linear systems

Cited by 38 publications

References 19 publications

Analysis, Design, and Optimization of Embedded Control Systems

Analysis, Design, and Optimization of Embedded Control Systems

Event‐triggered Control of Linear Systems with Saturated Inputs

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