Forward stochastic reachability analysis for uncontrolled linear systems using fourier transforms

AP Vinod, B HomChaudhuri, MMK Oishi - Proceedings of the 20th …, 2017 - dl.acm.org
We propose a scalable method for forward stochastic reachability analysis for uncontrolled
linear systems with affine disturbance. Our method uses Fourier transforms to efficiently …

Voronoi partition-based scenario reduction for fast sampling-based stochastic reachability computation of linear systems

H Sartipizadeh, AP Vinod, B Açikmeşe… - 2019 American …, 2019 - ieeexplore.ieee.org
We address the stochastic reach-avoid problem for linear systems with additive stochastic
uncertainty. We seek to compute the maximum probability that the states remain in a safe set …

Scalable underapproximative verification of stochastic LTI systems using convexity and compactness

AP Vinod, MMK Oishi - Proceedings of the 21st International Conference …, 2018 - dl.acm.org
We present a scalable algorithm to construct a polytopic underapproximation of the terminal
hitting time stochastic reach-avoid set, for the verification of high-dimensional stochastic LTI …

Piecewise-affine approximation-based stochastic optimal control with Gaussian joint chance constraints

AP Vinod, V Sivaramakrishnan… - 2019 American Control …, 2019 - ieeexplore.ieee.org
This paper considers the problem of stochastic optimal control of a Gaussian-perturbed
linear system subject to soft polytopic state constraints, hard polytopic input constraints, and …

Scalable underapproximation for the stochastic reach-avoid problem for high-dimensional LTI systems using Fourier transforms

AP Vinod, MMK Oishi - IEEE control systems letters, 2017 - ieeexplore.ieee.org
We present a scalable underapproximation of the terminal hitting time stochastic reach-
avoid probability at a given initial condition, for verification of high-dimensional stochastic …

Probabilistic occupancy via forward stochastic reachability for Markov jump affine systems

AP Vinod, MMK Oishi - IEEE Transactions on Automatic Control, 2020 - ieeexplore.ieee.org
Probabilistic occupancy, the likelihood that the state at a known future time lies in a given
set, is important in a variety of stochastic motion planning problems. We provide efficient …

Stochastic motion planning using successive convexification and probabilistic occupancy functions

AP Vinod, S Rice, Y Mao, MMK Oishi… - … IEEE Conference on …, 2018 - ieeexplore.ieee.org
We propose a method for real-time motion planning in stochastic, dynamic environments via
a receding horizon framework that exploits computationally efficient algorithms for forward …

Affine controller synthesis for stochastic reachability via difference of convex programming

AP Vinod, MMK Oishi - 2019 IEEE 58th Conference on Decision …, 2019 - ieeexplore.ieee.org
We propose an affine controller synthesis technique that maximizes the probability of the
state lying in a time-varying collection of safe sets for a Gaussian-perturbed linear time …

Convexified open-loop stochastic optimal control for linear non-gaussian systems

V Sivaramakrishnan, AP Vinod, MMK Oishi - arXiv preprint arXiv …, 2020 - arxiv.org
We consider stochastic optimal control of linear dynamical systems with additive non-
Gaussian disturbance. We propose a novel, sampling-free approach, based on Fourier …

Rapid uncertainty propagation and chance-constrained trajectory optimization for small unmanned aerial vehicles

AW Berning, E Taheri, A Girard… - 2018 Annual American …, 2018 - ieeexplore.ieee.org
As the number of small Unmanned Aircraft Systems (sUAS) in the national airspace
increases, it is becoming increasingly important to develop and implement a system for their …