Publications

CONFERENCES:

•  “Linear Quadratic Gaussian Weighting Matrices for Output Covariance Assignment in Nonlinear Systems”, V.Arya, R.Goyal, AAS Space Flight Mechanics Conference, Massachusetts, August 2025.

•   “Fault-tolerant Safety Analysis for Constrained Spacecraft Attitude using Control Barrier Functions”, S. Amoikon, V.Arya, AAS Space Flight Mechanics Conference, Massachusetts, August 2025.

•  “Europa Clipper Tour Contingency Trajectory Analysis: An Evolutionary Stochastic Approach”, V. Arya, A. French, E. Pellegrini and S. Campagnola, AAS Space Flight Mechanics Conference, Colorado, August 2024.

•  “Modelling of Low Frequency Variations in GRACE- FO Accelerometer Data using Onboard Thermal Data”, V.Arya, A. Peidou, N. Harvey, F. Landerer, American Geophysical Union, San Francisco, December 2023.

•  “GRACE- FO Accelerometer Thermal Correction Model”, V.Arya, A. Peidou, N. Harvey, F. Landerer, Grace Science Team Meeting, Boulder, October 2023.

• ‘’Nonlinearity Index for State-Costate Dynamics of Optimal Control Problems’’, P. Kelly, V. Arya, J. Junkins, M. Majji, AAS/AIAA- 22-830, Astrodynamics Specialist Conference, Charlotte, October 2022.

• “Indirect based Shadow Modelling with Warm-up time for Perturbed Orbit transfers”, V. Arya, R. Woollands, J. Junkins, 2022 AAS Guidance, Navigation and Control Conference in Breckenridge, Colorado.

• “Design of LQR Weighting Matrices for Output Covariance Assignment”, V. Arya, R. Goyal, M. Majji, J. Junkins, AAS/AIAA Astrodynamics Specialist Conference, Big Sky, Montana, August 2021.

• “A Composite Framework for Joint Optimization of Trajectory and Propulsion System Design”, V. Arya, E. Taheri, J. Junkins, 31st AAS/AIAA Space Flight Mechanics Conference, Charlotte, January 2021.

• “Spacecraft Payload Maximization Using Realistic Multi-Mode Models of Electric Propulsion Systems”, V. Arya, E. Taheri, J. Junkins, American Control Conference, New Orleans, Louisiana, 2021.

• “Acceleration-based indirect method for continuous and impulsive trajectory design”, E. Taheri, V. Arya, J. Junkins, 31st AAS/AIAA Space Flight Mechanics Conference, Charlotte, January 2021.

• “Costate Transformation for Indirect Trajectory Optimization”, E. Taheri, V. Arya, J. Junkins, 31st AAS/AIAA Space Flight Mechanics Conference, Charlotte, January 2021.

• "Hybrid Strategy for Fuel-Optimal Trajectory Optimization using Solar Electric Propulsion and Hyperbolic Tangent Smoothing"- V. Arya, E Taheri, J.L. Junkins, 2020 AAS Guidance, Navigation and Control Conference in Breckenridge, Colorado.

• “Gravity Assist Fuel-Optimal Low-thrust Trajectory Design Using Hybrid Optimization Techniques.”- V. Arya, E. Taheri, R. Woollands, J.L. Junkins, International Astronautical Congress, Washington DC, October 2019.

• “Hyperbolic-tangent based smoothing with state transition matrix implementation for generating fuel-optimal trajectories.”- V. Arya, E Taheri, J.L. Junkins, AAS Space Flight Mechanics Conference, Maui, Hawaii, January 2019.

• “Finite Element Analysis of an Index Finger Flexion in a Simulated Extravehicular Activity Glove”- Vishala, R. Fernandes, B.J. Dunbar, D. Hartl; Published at AIAA SciTech Conference, January 2018.

JOURNALS:

•   ‘’Connecting the Equinoctial Elements and Rodrigues Parameters: A New Set of Elements’’, J. Peterson, V. Arya, J. Junkins, Journal of Guidance, Navigation & Control, 2023.

•    ‘‘Generating Optimal Many-Impulse Multiple-Revolution Rendezvous Maneuvers’’, V. Arya, E. Taheri, J. Junkins, Journal of Spacecraft and Rockets, 2023.

• ‘‘Linear Quadratic Regulator Weighting Matrices for Output Covariance Assignment in Nonlinear Systems”, V. Arya, R. Goyal, M Majji, J. Junkins, Journal of Guidance, Navigation & Control, 2022.

• ‘‘Costate Transformation for Trajectory Optimization Using Indirect Methods”, E. Taheri, V. Arya, J. Junkins, Astrodynamics, 2022.

• ‘‘Electric Thruster Mode-Pruning Strategies for Trajectory-Propulsion Co-Optimization”, V. Arya, E. Taheri, J. Junkins, Journal of Aerospace Science and Technology, 2021.

•   “Low-Thrust Gravity-Assist Trajectory Design Using Optimal Multi-Mode Propulsion Models” V. Arya, E. Taheri, J. Junkins, Journal of Guidance, Control and Dynamics, 2021.

•  “A Composite Framework for Co-Optimization of Spacecraft Trajectory and Propulsion System’’, V. Arya, E Taheri, J.L. Junkins, Acta Astronautica, 2020.