Control-system stability under consecutive deadline misses constraints

M Maggio, A Hamann, E Mayer-John… - … conference on real …, 2020 - drops.dagstuhl.de
This paper deals with the real-time implementation of feedback controllers. In particular, it
provides an analysis of the stability property of closed-loop systems that include a controller …

Safety analysis of embedded controllers under implementation platform timing uncertainties

C Hobbs, B Ghosh, S Xu, PS Duggirala… - … on Computer-Aided …, 2022 - ieeexplore.ieee.org
As embedded systems architectures become more complex and distributed, checking the
safety of feedback control loops implemented on them becomes a crucial problem for …

Know the unknowns: Addressing disturbances and uncertainties in autonomous systems

Q Zhu, W Li, H Kim, Y **ang, K Wardega… - Proceedings of the 39th …, 2020 - dl.acm.org
Future autonomous systems will employ complex sensing, computation, and communication
components for their perception, planning, control, and coordination, and could operate in …

DMAC: Deadline-miss-aware control

P Pazzaglia, C Mandrioli, M Maggio… - … Conference on Real …, 2019 - portal.research.lu.se
The real-time implementation of periodic controllers requires solving a co-design problem, in
which the choice of the controller sampling period is a crucial element. Classic design …

Safety-aware flexible schedule synthesis for cyber-physical systems using weakly-hard constraints

S Xu, B Ghosh, C Hobbs, PS Thiagarajan… - Proceedings of the 28th …, 2023 - dl.acm.org
With the emergence of complex autonomous systems, multiple control tasks are increasingly
being implemented on shared computational platforms. Due to the resource-constrained …

Weaklyhard. jl: Scalable analysis of weakly-hard constraints

N Vreman, R Pates, M Maggio - 2022 IEEE 28th Real-Time and …, 2022 - ieeexplore.ieee.org
Weakly-hard models have been used to analyse real-time systems subject to patterns of
deadline hits and misses. However, the tools that are available in the literature have a set of …

Statistical hypothesis testing of controller implementations under timing uncertainties

B Ghosh, C Hobbs, S Xu, PS Duggirala… - 2022 IEEE 28th …, 2022 - ieeexplore.ieee.org
Software in autonomous systems, owing to performance requirements, is deployed on
heterogeneous hardware comprising task specific accelerators, graphical processing units …

Stabilization of networked control systems with weakly hard real-time dropout description

S Linsenmayer, F Allgower - 2017 IEEE 56th Annual …, 2017 - ieeexplore.ieee.org
The usage of weakly hard real-time constraints to model the loss process in Networked
Control Systems aims for studying more realistic network models, while still being able to …

[HTML][HTML] On ℓ2-performance of weakly-hard real-time control systems

M Seidel, S Lang, F Allgöwer - European Journal of Control, 2024 - Elsevier
This paper considers control systems with failures in the feedback channel, that occasionally
lead to loss of the control input signal. A useful approach for modeling such failures is to …

Observability and controllability analysis of linear systems subject to data losses

RM Jungers, A Kundu… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
We provide algorithmically verifiable necessary and sufficient conditions for fundamental
system theoretic properties of discrete-time linear, systems subject to data losses. More …