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Mixed-Criticality Control System with Performance and Robustness Guarantees

Long Cheng, Kai Huang, Gang Chen, Biao Hu, Alois Knoll
2017 2017 IEEE Trustcom/BigDataSE/ICESS  
doi:10.1109/trustcom/bigdatase/icess.2017.311 dblp:conf/trustcom/ChengHCHK17 fatcat:bqlijgipffem3nyvfoymm3b5be

Policy Optimization for H 2 Linear Control with H ∞ Robustness Guarantee: Implicit Regularization and Global Convergence

Kaiqing Zhang, Bin Hu, Tamer Basar
2020 Conference on Learning for Dynamics & Control  
More importantly, some constraints that are safety-critical, e.g., the closed-loop stability, or the H ∞ -norm constraint that guarantees the system robustness, can be difficult to enforce on the controller  ...  In this paper, we study the convergence theory of PO for H 2 linear control with H ∞ robustness guarantee. This general framework includes risksensitive linear control as a special case.  ...  Such a constraint can be used to guarantee robust stability/performance of the closed-loop systems when model uncertainty is present.  ... 
dblp:conf/l4dc/ZhangHB20 fatcat:lj2sltqdgvedfi6okypcuec3m4

Model-based H2/H∞ control design of integrated vehicle tracking systems

Balázs Németh, Péter Gáspár
2012 Periodica Polytechnica Transportation Engineering  
The design of the adaptive cruise-control system is based on the H 2 /H ∞ control method. The operation of the controlled system is illustrated through simulation examples.  ...  The paper presents the design of an integrated heavy vehicle system which consists of the driveline, the brake, the suspension and the steering components.  ...  Robust optimal mixed H 2 /H ∞ control design The main purpose of the control design is to ensure that the system output follows a reference command signal with an acceptable error.  ... 
doi:10.3311/pp.tr.2012-2.08 fatcat:3oiljjsfbjbphg5yhj6hsffu5a

Comparative Account of Robust H∞ Techniques for Missile Autopilot Design

PSR Srinivasa Sastry, SK Ray, G. Mallikarjuna Rao, S. K. Biswas
2019 International Journal of Image Graphics and Signal Processing  
of performance and robustness.  ...  A comparative account of modern control methods is presented on the basis of system performance and robustness, which will be helpful in the selection of the appropriate design method for specific application  ...  Robust Control Design Technique: Robust control design techniques address various methods for multivariable autopilot design which satisfy the system performance specifications along with guaranteed stability  ... 
doi:10.5815/ijigsp.2019.04.03 fatcat:isu3hu3qlvgevpl246aq7d2yq4

Applications of Popov controller synthesis to benchmark problems with real parameter uncertainty

Jonathan P. How, Steven R. Hall, Wassim M. Haddad
1994 Journal of Guidance Control and Dynamics  
These examples illustrate that good guaranteed robust performance can be achieved using this Popov controller synthesis (or combined #,/mixed ys) algorithm. Jonathan P.  ...  The robust performance curves clearly illustrate the tradeoffs between guaranteed stability and #, performance.  ... 
doi:10.2514/3.21265 fatcat:xdbfux7borcwhb3edainbprhmy

Predicting dive start performance from kinematic variables at water entry in (sub-)elite swimmers

Marit P. van Dijk, Peter J. Beek, A. J. Knoek van Soest, Dalton Müller Pessôa Filho
2020 PLoS ONE  
A mixed effects analysis of the relation between entry state and start performance was conducted, which revealed a significant and robust dependence of start performance on entry state (χ2(3) = 88, p <  ...  The robustness of the analysis was confirmed by a similar mixed effects analysis of the relation between entry state and time to the 5-m line.  ...  Given a control system, regardless of which controller design method is used, the first and most important property of a system needs to be guaranteed is stability, because an unstable control system is  ... 
doi:10.1371/journal.pone.0241345 pmid:33125412 fatcat:b7jslh7hjjesvj44uv7s3jppli

ASIC Architecture and Implementation of RED Scheduler for Mixed- Criticality Real-Time Systems

Lukas Kohutka, Viera Stopjakova
2021 Zenodo  
This paper presents a new ASIC design of a coprocessor that performs process scheduling for embedded mixed-criticality real-time systems consisting of processes of various criticality and various real-time  ...  The proposed solution is implementing Robust Earliest Deadline (RED) algorithm and previously developed hardware architectures used for scheduling of real-time processes.  ...  ACKNOWLEDGMENT This work was supported in part by the Ministry of Education, Science, Research and Sport of the Slovak Republic under grant VEGA 1/0905/17, and ECSEL JU under project PROGRESSUS (876868  ... 
doi:10.5281/zenodo.5526486 fatcat:m75h342wi5embgq54vcfqhpmee

A unified Smith predictor approach for power system damping control design using remote signals

R. Majumder, B. Chaudhuri, B.C. Pal, Qing-Chang Zhong
2005 IEEE Transactions on Control Systems Technology  
Simulation results show that the controller performs satisfactorily even though the feedback signals arrive at the control site after a finite time delay.  ...  A unified Smith predictor (USP) approach is used to formulate the control design problem in the standard mixed sensitivity framework.  ...  If ensures the desired performance for , then is guaranteed to achieve the same for the original dead-time system. IV.  ... 
doi:10.1109/tcst.2005.854340 fatcat:3gyesqyflfhqbaclv44z3dlebi

Page 5302 of Mathematical Reviews Vol. , Issue 97H [page]

1997 Mathematical Reviews  
Then the control input and the output of the system are introduced and the quadratic control problem is considered.  ...  Control 33 (1988), no. 8, 780-783; Zbl 649.93065] is given.” 97h:93086 93E12 93E35 Campi, Marco (1-BRSC-AU; Brescia) Performance of RLS identification algorithms with forgetting factor: a ®-mixing approach  ... 

Optimal robust stabilizer design based on UPFC for interconnected power systems considering time delay

Hamid Reza Koofigar, Ghader Isazadeh
2017 Archives of Electrical Engineering  
The mixed H2 / H∞ problem with regional pole placement, resolved by linear matrix inequality (LMI), is applied for controller design.  ...  A robust auxiliary wide area damping controller is proposed for a unified power flow controller (UPFC).  ...  It is well known that the ∞ H control is mainly concerned with frequency domain and does not necessarily guarantee good transient performance [18] .  ... 
doi:10.1515/aee-2017-0034 fatcat:hmbutjtajvdildkdbejcxrtwmq

ODRE Workshop: Using SIL Arithmetic to Design Safe and Secure Systems

Catherine Menon, Saverio Iacovelli, Raimund Kirner
2020 2020 IEEE 23rd International Symposium on Real-Time Distributed Computing (ISORC)  
We specifically discuss these issues in the context of scheduling techniques for mixed-criticality systems, where resource shortages are to be handled by the scheduler.  ...  In a safety-critical system each service has a specific level of safety criticality.  ...  Historically, hard real-time computing has been primarily developed to support safety-critical systems or industrial systems that have to guarantee certain performance requirements with a limited degree  ... 
doi:10.1109/isorc49007.2020.00044 dblp:conf/isorc/MenonIK20 fatcat:acjgommkvvfdfcpbqn4pf6czlm

Stability- and performance-robustness tradeoffs: MIMO mixed-µvscomplex-µ design

J. F. Vasconcelos, M. Athans, S. Fekri, C. Silvestre, P. Oliveira
2009 International Journal of Robust and Nonlinear Control  
multi-output (MIMO) dynamic compensator, and of the resulting robust feedback control system, must possess guarantees of both stability-and performance-robustness with respect to the explicit performance  ...  MIMO feedback control systems with the requisite stability-and performancerobustness guarantees.  ...  STABILITY REGIONS FOR LEGAL UNMODELED DYNAMICS In this section, the actual closed-loop stability of the system is studied and compared with the stability-and performance-robustness region guaranteed by  ... 
doi:10.1002/rnc.1299 fatcat:qjszg7cntbg2rjjacia7gblisu

Justifying the Service Provided to Low Criticality Tasks in a Mixed Criticality System

Stephen Law, Iain Bate, Benjamin Lesage
2020 Proceedings of the 28th International Conference on Real-Time Networks and Systems  
The result is a safety argument with supporting evidence based on a real life case study, taken from a DAL-A certiied aircraft engine control system. 1 CCS CONCEPTS • Computer systems organization → Real-time  ...  However a signiicant gap in the analysis is to understand for how long the service to low criticality tasks may be reduced, i.e. how often the system switches to a high-criticality mode and how long the  ...  This work was funded by the INNOVATE UK funded Automated Timing framework of Interference in Critical Systems (ATICS) project (KTP010577).  ... 
doi:10.1145/3394810.3394814 dblp:conf/rtns/LawBL20 fatcat:3lr7zu7i5bakngiqbwhlkazesu

Incorporation of robustness properties into the observer based anti-windup scheme in the case of actuator uncertainties

Martin Bruckner, Luigi del Re
2010 Proceedings of the 2010 American Control Conference  
This mixed performance method is later extended for systems with unmeasurable actuator outputs by the use of an unknown input observer (UIO).  ...  Saturation is a very common nonlinearity in control systems and may produce serious performance deterioration or even loss of stability.  ...  Martin Bruckner and Luigi del Re are with the Institute for Design and Control of Mechatronical Systems (e-mail: martin.bruckner@jku.at; luigi.delre@jku.at).  ... 
doi:10.1109/acc.2010.5531247 fatcat:brwbktu5pzg2lbdslmi34juqq4

Robust Converter Control Design under Time-Delay Uncertainty

David Rodriguez Flores, Uros Markovic, Petros Aristidou, Gabriela Hug
2019 2019 IEEE Milan PowerTech  
This paper deals with the converter control design under time delay uncertainty in power systems with high share of converter-based generation.  ...  Three novel control strategies are proposed in order to redesign the conventional inner control loop and improve converter performance when dealing with measurement uncertainty.  ...  In order to shape the sensitivity function S(s) and complementary sensitivity function K(s)S(s) of the closed-loop system, and achieve the desired robustness and performance targets, a mixed-sensitivity  ... 
doi:10.1109/ptc.2019.8810516 fatcat:2vd6iev265dphngdxq7475t4ie
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