Prediction models for urban flood evolution for satellite remote sensing

R Lammers, A Li, S Nag, V Ravindra - Journal of Hydrology, 2021 - Elsevier
Accurate and timely flood forecasts are critical for protecting people and infrastructure in a
changing climate. Satellite remote sensing provides the necessary wide area coverage and …

Design and testing of autonomous distributed space systems

N Cramer, D Cellucci, C Adams, A Sweet… - 35th Annual Small …, 2021 - ntrs.nasa.gov
Distributed Space Systems (DSS) are an emerging class of mission designs that enable new
scientific and commercial opportunities. In order to enable those new opportunities, these …

Planning satellite swarm measurements for earth science models: comparing constraint processing and MILP methods

R Levinson, S Niemoeller, S Nag… - Proceedings of the …, 2022 - ojs.aaai.org
We compare two planner solutions for a challenging Earth science application to plan
coordinated measurements (observations) for a constellation of satellites. This problem is …

Attitude trajectory optimization for agile satellites in autonomous remote sensing constellations

E Sin, M Arcak, S Nag, V Ravindra, A Li… - AIAA Scitech 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-1470. vid To maximize the utility of
remote sensing satellite constellations, agile attitude maneuvering is required. By taking into …

Agile satellite planning for multi-payload observations for earth science

R Levinson, S Nag, V Ravindra - arXiv preprint arXiv:2111.07042, 2021 - arxiv.org
We present planning challenges, methods and preliminary results for a new model-based
paradigm for earth observing systems in adaptive remote sensing. Our heuristically guided …

Multi-Objective Optimization of an Intelligent Soil-Moisture-Monitoring Satellite Constellation

B Gorr, V Ravindra, A Melebari… - Journal of Spacecraft …, 2023 - arc.aiaa.org
In early satellite mission design, requirements are not yet fixed, cost is sometimes
negotiable, and designs are relatively unconstrained. During this period of design freedom …

Distributed spacecraft autonomy

D Cellucci, NB Cramer, JD Frank - ASCEND 2020, 2020 - arc.aiaa.org
Distributed Spacecraft Systems are a type of multi-spacecraft mission architecture that can
not only provide improved resolution, coverage, and availability of existing missions, but …

[PDF][PDF] Where is my coverage? Using explainable automated scheduling to inform mission design of an Earthobserving constellation

A Maillard, C Wells, S Oveisgharan… - … Workshop on Planning …, 2023 - ai.jpl.nasa.gov
Abstract The Surface Deformation and Change Mission Architecture Study (SDC) aims at
designing the next synthetic aperture radar mission to measure geophysical properties of …

Cell-Based Preprocessing Algorithm for Fast Satellite Coverage Calculation

R Ketzner, V Ravindra… - 2024 IEEE Aerospace …, 2024 - ieeexplore.ieee.org
Grid coverage calculations are a commonly used analysis tool for Earth-observation and
communication satellite missions. A dynamic coverage calculation by a maneuverable …

Earth observation simulator (eo-sim): An open-source software for observation systems design

V Ravindra, R Ketzner, S Nag - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
This paper presents the Earth Observation Simulator (EO-Sim), a software framework which
facilitates the design of novel observation systems. EO-Sim allows exploration of observing …