Robust action governor for uncertain piecewise affine systems with non-convex constraints and safe reinforcement learning

Y Li, N Li, HE Tseng, A Girard, D Filev… - arXiv preprint arXiv …, 2022 - arxiv.org
The action governor is an add-on scheme to a nominal control loop that monitors and
adjusts the control actions to enforce safety specifications expressed as pointwise-in-time …

Implementation of the SMC control strategy to an active horizontal seat suspension system

B Jereczek, I Maciejewski, T Krzyzynski… - Procedia Computer …, 2023 - Elsevier
This article discusses an application of the sliding mode control (SMC) in active suspension
systems, with particular focus on its use in the mass-spring-damper (MSD) systems. The …

Real-time Adaptive Optimal Prediction of Safe Control Spaces and Augmented-Reality Head-Up Displays Towards Aircraft Loss-of-Control Mitigation

M Rafi, JE Steck, A Chakravarthy - AIAA Scitech 2021 Forum, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-0757. vid Predictive systems
capable of alerting pilots to impending entry into a loss-of-control event have potential to …

Approaches to Real-time Adaptive Prediction of Loss-of-Control Margins with Visual Cue Feedback

M Rafi, JE Steck, A Chakravarthy - 2018 AIAA Guidance, Navigation …, 2018 - arc.aiaa.org
Historical data1 over the last decade has consistently shown that Loss-of-Control (LOC) in-
flight is the single largest contributor to fatal air accidents amongst the worldwide …

Simulated Flight Testing of an Adaptive Loss-of-Control Avoidance Pilot Advisory Display

M Rafi, K Rajaram, M Moustafa… - AIAA Scitech 2019 …, 2019 - arc.aiaa.org
Loss-of-Control (LOC) in-flight has continually been the single largest contributor to fatal air
accidents globally. Data compiled by the Boeing Company [1] has showed that the decade …

Real-time Adaptive Prediction of Loss-of-Control Margins on a Fourth Order Aircraft

M Rafi, JE Steck, A Chakravarthy - AIAA Scitech 2019 Forum, 2019 - arc.aiaa.org
Data compiled by the Boeing Company over the last decade [1] has shown Loss-of-Control
(LOC) in-flight to be the single largest contributor to fatal air accidents globally. This has …

Adaptive Prediction of Aircraft Loss-of-Control Margins and Safe Control Envelopes with Longitudinally and Laterally Coupled Higher-Order Dynamics

M Rafi, JE Steck, A Chakravarthy - AIAA Scitech 2020 Forum, 2020 - arc.aiaa.org
Predictive systems with the ability to warn pilots of impending entry into loss-of-control have
the potential to improve safety in flight. Along these lines, research at the General Aviation …

Piloted Simulator Evaluations of an Adaptive Loss-of-Control Avoidance Prediction Architecture and Augmented-Reality Pilot Advisory Display

M Rafi, J Schmitz, AN Menon, R Ross, A Qamar… - AIAA Scitech 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-0758. vid Loss-of-control in-flight
has consistently been the primary contributor to air accidents worldwide. Towards mitigating …

[PDF][PDF] Loss of Control Prediction System for the Longitudinal and Lateral Dynamics of an Aircraft Using Laplace Methods

K Rajaram - 2018 - soar.wichita.edu
Loss-of-control events have contributed to many accidents worldwide to this date. A
significant amount of research has been done to provide safer flight conditions and thus …