Research

This page is divided topically! Aerospace research is at the top, and biology is further down.

Aerospace

Peer-Reviewed Articles

Woods, Christian (2016). LIDAR-based relative navigation with respect to non-cooperative objects. Acta Astronautica 126: 298–311.
Woods, Christian (2016). Glidar: An OpenGL-based, real-time, and open source 3D sensor simulator for testing computer vision algorithms. Journal of Imaging 2(5).

Conference Papers

Woods, Christian, Evans (2015). A 6-DOF pose initialization strategy for LIDAR-based non-cooperative navigation. In 38th Annual Guidance and Control Conference, Breckenridge, CO.
Sell, Rhodes, Woods, Christian, Evans (2014). Pose performance of LIDAR-based navigation for satellite servicing. In AIAA/AAS Astrodynamics Specialist Conference, San Diego, CA.

Memos and Technical Reports

Woods (2022). Design trade for the XL-1 autonomous flight manager. TLI-TM-2022-01, Masten Space Systems, Mojave, CA.
Woods (2022). Navigation filter design for XL-1. TLI-TM-2021-03, Masten Space Systems, Mojave, CA.
Woods (2021). The downrange constraint in Powered Explicit Guidance. TLI-TM-2021-02, Masten Space Systems, Mojave, CA.
Woods (2021). Risk of rock encounters at Haworth landing site. TLI-TM-2021-01, Masten Space Systems, Mojave, CA.
Woods, McMahon (2021). Open source, open standards, and collective invention in the space industry. OLF-ENG-2021-02, Open Lunar Foundation, San Francisco, CA.
Woods (2021). An engineer’s history of US and multilateral export controls. OLF-ENG-2021-01, Open Lunar Foundation, San Francisco, CA.
Woods (2020). Concepts in lunar positioning, navigation, and timing. Open Lunar Foundation, San Francisco, CA. Work in progress, which I update from time to time, without any intention of ever finishing it.
Woods (2019). Navigation filter design towards a lunar lander.. OLF-GNC-2019-02, Open Lunar Foundation, San Francisco, CA. Work in progress, ceased and published early due to pandemic.
Woods (2019). Two-way range and range-rate observables in a sequential filter. OLF-GNC-2019-01, Open Lunar Foundation, San Francisco, CA.
Woods (2018). Observability and sensitivity analyses for attitude estimation using a gimballed gyroscope. IM-TM-2018-04. Intuitive Machines, Houston, TX.
Woods (2018). Position and velocity variance growth during dead reckoning of a drill. IM-TM-2018-02. Intuitive Machines, Houston, TX.
Woods (2018). Derivation of the Doppler LIDAR measurement model in the inertial and topocentric frames. IM-TM-2018-01. Intuitive Machines, Houston, TX.
Crain, Woods, Baine, Moore, Getchius, Ronalds, Stewart (2018). Cislunar navigation architecture study. IMDM-9. Intuitive Machines, Houston, TX.
Woods (2017). A dual MARG complementary filter for attitude state estimation while drilling. IM-TM-2017-04. Intuitive Machines, Houston, TX.
Woods, Christian (2014 Oct 9). A real-time, software-based 3D sensor simulator. ASEL-14-005. Applied Space Exploration Laboratory, West Virginia University, Morgantown, WV.
Woods, Christian (2014 Oct 9). A navigation architecture incorporating periodic, real-time pose re-initialization. ASEL-14-003. Applied Space Exploration Laboratory, West Virginia University, Morgantown, WV.
Sell, Rhodes, Woods, Christian (2014). Theoretical foundations of pose setimation and covariance computation for non-cooperative relative navigation. ASEL-14-001. Applied Space Exploration Laboratory, West Virginia University, Morgantown, WV.

Biology

Peer-Reviewed Articles

Singh-Blom, Natarajan, Tewari, Woods, Dhillon, Marcotte (2013). Prediction and validation of gene–disease associations using methods inspired by social network analyses. PLOS One 8(5).
Woods, Singh-Blom, Laurent, McGary, Marcotte (2013). Prediction of gene–phenotype associations in humans, mice, and plants using phenologs. BMC Bioinformatics 14(203).
McGary, Park, Woods, Cha, Wallingford, Marcotte (2010). Systematic discovery of nonobvious human disease models through orthologous phenotypes.. Proceedings of the National Academy of Sciences 107(14): 6544–9. (supplemental information)
Brennan, Woods, Sedaghat, Siliciano, Siliciano, Wilke (2009). Analysis of human immunodeficiency virus type 1 viremia and provirus in resting CD4+ T cells reveals a novel source of residual viremia in patients on antiretroviral therapy. Journal of Virology 83(17): 8470–81.

Memos and Technical Reports

Singh-Blom, Natarajan, Tewari, Woods, Dhillon, Marcotte (2011 Oct 20). Predicting gene-disease associations using multiple species data. UTCS Technical Report TR-11-37. Department of Computer Science, The University of Texas at Austin, Austin, TX.

Doctoral Dissertation

Woods (2013 Dec). Predicting gene–phenotype associations in humans and other species from orthologous and paralogous phenotypes. The University of Texas at Austin, Austin, TX.

Other

Woods, Marcotte, Ruby Science Foundation (2013). NMatrix: A dense and sparse matrix library for the Ruby language.