activity
20192025
most citedDeep Reinforcement Learning for Safe Landing Site Selection with Concurrent Consideration of Divert Maneuvers

16 citations · 57 across the 9 of their papers we have counts for

collaborators

10 papers

math.OC2025

Concurrent Optimization of Satellite Phasing and Tasking for Cislunar Space Situational Awareness

Malav Patel, Kento Tomita, Koki Ho

Recently, renewed interest in cislunar space spurred by private and public organizations has driven research for future infrastructure in the region. As Earth-Moon traffic increase…

eess.IV2024★ 2 cited

Real-Time Stochastic Terrain Mapping and Processing for Autonomous Safe Landing

Kento Tomita, Koki Ho

Onboard terrain sensing and mapping for safe planetary landings often suffer from missed hazardous features, e.g., small rocks, due to the large observational range and the limited…

math.OC2024★ 9 cited

Cislunar Space Situational Awareness Constellation Design and Planning with Facility Location Problem

Yuri Shimane, Kento Tomita, Koki Ho

Driven by the surmounting interest for dedicated infrastructure in cislunar space, this work considers the satellite constellation design for cislunar space situational awareness (…

nlin.CD2024

Sensitivity Analysis of Separation Time Along Weak Stability Boundary Transfers

Isabel Nolton, Kento Tomita, Yuri Shimane +1

This study analyzes the sensitivity of the dynamics around Weak Stability Boundary Transfers (WSBT) in the elliptical restricted three-body problem. With WSBTs increasing popularit…

eess.SY2023

Multi-Spacecraft Predictive Sensor Tasking for Cislunar Space Situational Awareness

Kento Tomita, Yuri Shimane, Koki Ho

This paper delves into the predictive sensor tasking algorithm for the multi-observer, multi-target sensor setting, leveraging the Extended Information Filter (EIF). Conventional p…

cs.RO2023★ 2 cited

Stochastic Hazard Detection For Landing Under Topographic Uncertainty

Kento Tomita, Koki Ho

Autonomous hazard detection and avoidance is a key technology for future landing missions in unknown surface conditions. Current state-of-the-art stochastic algorithms assume simpl…

cs.CV2023★ 1 cited

Deep Monocular Hazard Detection for Safe Small Body Landing

Travis Driver, Kento Tomita, Koki Ho +1

Hazard detection and avoidance is a key technology for future robotic small body sample return and lander missions. Current state-of-the-practice methods rely on high-fidelity, a p…

cs.RO2021★ 16 cited

Deep Reinforcement Learning for Safe Landing Site Selection with Concurrent Consideration of Divert Maneuvers

Keidai Iiyama, Kento Tomita, Bhavi A. Jagatia +2

This research proposes a new integrated framework for identifying safe landing locations and planning in-flight divert maneuvers. The state-of-the-art algorithms for landing zone s…

cs.RO2021★ 13 cited

Bayesian Deep Learning for Segmentation for Autonomous Safe Planetary Landing

Kento Tomita, Katherine A. Skinner, Koki Ho

Hazard detection is critical for enabling autonomous landing on planetary surfaces. Current state-of-the-art methods leverage traditional computer vision approaches to automate the…

cs.PF2019★ 14 cited

Semi-Analytical Model for Design and Analysis of On-Orbit Servicing Architecture

Koki Ho, Hai Wang, Paul A. DeTrempe +2

Robotic on-orbit servicing (OOS) is expected to be a key technology and concept for future sustainable space exploration. This paper develops a semi-analytical model for OOS system…