All Stories

  1. Generalizing Space Logistics Network Optimization with Integrated Machine Learning and Mathematical Programming

    Article • Journal of Spacecraft and Rockets, October 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  2. Terminal Soft Landing Guidance Law Using Analytic Gravity Turn Trajectory

    Article • Journal of Guidance Control and Dynamics, July 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  3. Hierarchical Framework for Space Exploration Campaign Schedule Optimization

    Article • Journal of Spacecraft and Rockets, April 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  4. Orbital Facility Location Problem for Satellite Constellation Servicing Depots

    Article • Journal of Spacecraft and Rockets, March 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  5. Modeling and Optimization for Space Logistics Operations: Review of State of the Art

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  6. Optimization of Lunar-Based Radar Networks Via a Multi-Disciplinary Analysis and Optimization (MDAO) Approach

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho, Mariel Borowitz

  7. Optimization of Multi-Mission Space Exploration Campaign Schedules Subject to Stochastic Launch Delay

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho, Nicholas Gollins

  8. Optimal Predictive Guidance for Autonomous Hazard Detection and Avoidance

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Kento Tomita, Associate Professor Koki Ho

  9. Simultaneous Sizing of a Rocket Family with Embedded Trajectory Optimization

    Article • Journal of Spacecraft and Rockets, January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  10. Analytical Model for Sparing Policy Analysis and Optimization for Space Habitat Operations

    Article • Journal of Spacecraft and Rockets, August 2023, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  11. Bayesian Deep Learning for Segmentation for Autonomous Safe Planetary Landing

    Article • Journal of Spacecraft and Rockets, September 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  12. Multidisciplinary Design Optimization Approach to Integrated Space Mission Planning and Spacecraft Design

    Article • Journal of Spacecraft and Rockets, June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  13. Hierarchical Reinforcement Learning Framework for Stochastic Spaceflight Campaign Design

    Article • Journal of Spacecraft and Rockets, December 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  14. Robustness Assessment of Low-Thrust Trajectory via Sequentially Truncated Sims-Flanagan Problems

    Article • November 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  15. Multidisciplinary Design Optimization Approach to Integrated Space Mission Planning and Spacecraft Design

    Article • November 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Yuji Takubo, Associate Professor Koki Ho

  16. Space Exploration Architecture and Design Framework for Commercialization

    Article • Journal of Spacecraft and Rockets, October 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  17. Spacecraft trajectory tracking and parameter estimation around a splitting contact binary asteroid

    Article • Acta Astronautica, June 2020, Elsevier

    Associate Professor Koki Ho

  18. Integrated in-situ resource utilization system design and logistics for Mars exploration

    Article • Acta Astronautica, May 2020, Elsevier

    Associate Professor Koki Ho

  19. Optimizing Satellite Constellation Spare Strategy from a Logistics Perspective

    Article • Journal of Spacecraft and Rockets, September 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  20. Hierarchical Reinforcement Learning Framework for Space Exploration Campaign Design

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  21. Multi-Fidelity Space Mission Planning and Space Infrastructure Design Framework for Space Resource Logistics

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho, Linyi Hou

  22. Commercial lunar propellant architecture: A collaborative study of lunar propellant production

    Article • REACH, March 2019, Elsevier

    Associate Professor Koki Ho

  23. An Efficient Low-Thrust, Low-Energy Trajectory Design Method in Cislunar Space

    Article • Journal of Guidance Control and Dynamics, February 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  24. Staged-Deployment Design for Resilient Expansion Planning of Large Scale Complex Systems

    Article • January 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  25. Space Transportation System and Mission Planning for Regular Interplanetary Missions

    Article • Journal of Spacecraft and Rockets, January 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  26. Optimization of satellite constellation deployment strategy considering uncertain areas of interest

    Article • Acta Astronautica, December 2018, Elsevier

    Associate Professor Koki Ho

  27. Analytical Optimization Method for Space Logistics

    Article • Journal of Spacecraft and Rockets, November 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Zhengyu Chen, Associate Professor Koki Ho

  28. Impact Evaluation of In-Space Additive Manufacturing and Recycling Technologies for On-Orbit Servicing

    Article • Journal of Spacecraft and Rockets, November 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  29. Multi-Actor Value Modeling for Federated Systems

    Article • IEEE Systems Journal, June 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Associate Professor Koki Ho

  30. Optimization of In-Space Supply Chain Design Using High-Thrust and Low-Thrust Propulsion Technologies

    Article • Journal of Spacecraft and Rockets, May 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  31. Earth-Mars transfers through Moon Distant Retrograde Orbits

    Article • Acta Astronautica, February 2018, Elsevier

    Associate Professor Koki Ho, Mr Davide Conte

  32. Information-Theoretic Target Search for Space Situational Awareness

    Article • January 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  33. Multi-Mission Space Campaign Design

    Article • Journal of Spacecraft and Rockets, October 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho, Hao Chen

  34. Analytical model of Space Infrastructure Staged Deployment Strategy in Space Logistics

    Article • September 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho, Zhengyu Chen

  35. Built-in Flexibility for Space Logistics Mission Planning and Spacecraft Design

    Article • September 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  36. Impact Evaluation of In-Space Additive Manufacturing on Modularized Geostationary Platforms

    Article • September 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  37. Space Transportation System and Infrastructure Design for Regular Interplanetary Cargo Missions

    Article • September 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  38. Value of Bootstrapping Staged Deployment of Infrastructure: Case Study in Space Infrastructure Deployment

    Article • August 2017, ASME International

    Associate Professor Koki Ho

  39. Quantification of the responsiveness of on-orbit servicing infrastructure for modularized earth-orbiting platforms

    Article • Acta Astronautica, March 2017, Elsevier

    Associate Professor Koki Ho

  40. Development of miniature robotic manipulators to enable SmallSat clusters

    Article • March 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Associate Professor Koki Ho

  41. Quantification of the Responsiveness of On-Orbit Servicing Infrastructure for Modularized Earth-Orbiting Platforms

    Article • September 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  42. Integrated Space Mission Planning and In-Orbit Infrastructure Design with Mixed-Integer Programming

    Article • September 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  43. Campaign-level Mission Planning with Integrated Trajectory Design and Propulsion Technology Trades

    Article • September 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  44. Campaign-level dynamic network modelling for spaceflight logistics for the flexible path concept

    Article • Acta Astronautica, June 2016, Elsevier

    Associate Professor Koki Ho

  45. Bounding the value of collaboration in federated systems

    Article • April 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Associate Professor Koki Ho

  46. An independent assessment of the technical feasibility of the Mars One mission plan – Updated analysis

    Article • Acta Astronautica, March 2016, Elsevier

    Associate Professor Koki Ho

  47. Dynamic modeling and optimization for space logistics using time-expanded networks

    Article • Acta Astronautica, December 2014, Elsevier

    Associate Professor Koki Ho

  48. On-orbit depot architectures using contingency propellant

    Article • Acta Astronautica, March 2014, Elsevier

    Associate Professor Koki Ho

  49. Dynamic Network Modeling for Spaceflight Logistics

    Article • January 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Robert Shishko, Associate Professor Koki Ho

  50. Concurrent Design of Scientific Crewed Space Habitats and Their Supporting Logistics System

    Article • Journal of Spacecraft and Rockets, January 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  51. Improved Concurrent Optimization Formulation of Crewed Space Habitats and Their Supporting Logistics Systems

    Article • September 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  52. Disturbance Torque Compensation of the BepiColombo Spacecraft during Interplanetary Cruise Flight using Solar Sailing Effect

    Article • August 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  53. Integrated Framework for the Design of Crewed Space Habitats and their Supporting Logistics System

    Article • September 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  54. A survey of algorithms for star identification with low-cost star trackers

    Article • Acta Astronautica, April 2012, Elsevier

    Associate Professor Koki Ho

  55. Novel Star Identification Method Combining Two Star Trackers with Extended FOVs

    Article • August 2010, American Institute of Aeronautics and Astronautics (AIAA)

    Associate Professor Koki Ho

  56. Novel star identification algorithm utilizing images of two star trackers

    Article • March 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Associate Professor Koki Ho

  57. New Star Identification Algorithm for Multiple Star Trackers with Unequal Qualities

    Article • IFAC Proceedings Volumes, January 2010, Elsevier

    Associate Professor Koki Ho