Review and prospect of guidance and control for Mars atmospheric entry

S Li, X Jiang - Progress in Aerospace Sciences, 2014‏ - Elsevier
The Mars atmospheric entry phase plays a vital role in the whole Mars exploration mission-
cycle. It largely determines the success of the entire Mars mission. In order to achieve a pin …

Dispersion analysis in hypersonic flight during planetary entry using stochastic Liouville equation

A Halder, R Bhattacharya - Journal of Guidance, Control, and Dynamics, 2011‏ - arc.aiaa.org
WITH the need to develop next generation entry, descent, and landing (EDL) technologies
for planetary exploration, quantification of uncertainties have become a major technical …

Solution of the Probabilistic Lambert Problem: Connections with Optimal Mass Transport, Schr\" odinger Bridge and Reaction-Diffusion PDEs

AMH Teter, I Nodozi, A Halder - arxiv preprint arxiv:2401.07961, 2024‏ - arxiv.org
The Lambert problem originated in orbital mechanics. It concerns with determining the initial
velocity for a boundary value problem involving the dynamical constraint due to gravitational …

Gradient flow algorithms for density propagation in stochastic systems

KF Caluya, A Halder - IEEE Transactions on Automatic Control, 2019‏ - ieeexplore.ieee.org
We develop a new computational framework to solve the partial differential equations
(PDEs) governing the flow of the joint probability density functions (PDFs) in continuous-time …

Probabilistic model validation for uncertain nonlinear systems

A Halder, R Bhattacharya - Automatica, 2014‏ - Elsevier
This paper presents a probabilistic model validation methodology for nonlinear systems in
time-domain. The proposed formulation is simple, intuitive, and accounts both deterministic …

Uncertainty quantification for Mars atmospheric entry using polynomial chaos and spectral decomposition

X Jiang - 2018 AIAA Guidance, Navigation, and Control …, 2018‏ - arc.aiaa.org
A hybrid computational approach is developed for quantifying the propagation of the
uncertainty in state trajectories of a low-lift Mars entry vehicle due to the uncertainty in initial …

Hypersonic state estimation using the Frobenius-Perron operator

P Dutta, R Bhattacharya - Journal of guidance, control, and dynamics, 2011‏ - arc.aiaa.org
This paper presents a nonlinear state-estimation algorithm that combines the Frobenius–
Perron operator theory with the Bayesian estimation theory. The Frobenius–Perron operator …

Model validation: A probabilistic formulation

A Halder, R Bhattacharya - 2011 50th IEEE Conference on …, 2011‏ - ieeexplore.ieee.org
This paper presents a probabilistic formulation of the model validation problem. The
proposed validation framework is simple, intuitive, and can account both deterministic and …

Probabilistic Lambert Problem: Connections with Optimal Mass Transport, Schrödinger Bridge, and Reaction-Diffusion PDEs

AMH Teter, I Nodozi, A Halder - SIAM Journal on Applied Dynamical Systems, 2025‏ - SIAM
The Lambert problem originated in orbital mechanics. It is concerned with determining the
initial velocity for a boundary value problem involving the dynamical constraint due to …

Further results on probabilistic model validation in Wasserstein metric

A Halder, R Bhattacharya - 2012 IEEE 51st IEEE Conference …, 2012‏ - ieeexplore.ieee.org
In a recent work [1], we have introduced a probabilistic formulation for the model validation
problem to provide a unifying framework for (in) validating nonlinear deterministic and …