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.