selected publications academic article Fritsch, G. S., & DeMars, K. J. (2021). Nonlinear Gaussian Mixture Filtering with Intrinsic Fault Resistance. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 44(12), 2172-2185. Brouk, J. D., & DeMars, K. J. (2021). Uncertainty Propagation for Inertial Navigation with Coning, Sculling, and Scrolling Corrections. Sensors. 21(24), 8457-8457. Coder, R., DeMars, K., Holzinger, M., & Scott, L. (2021). RETRACTED ARTICLE: Introduction. J Astronaut Sci. 68(2), 551-551. Ward, K., & Demars, K. (2021). Information-based Particle Flow with Convergence Control. IEEE Transactions on Aerospace and Electronic Systems. PP(99), 1-1. DeMars, K. J., & Ward, K. C. (2020). Modular framework for implementation and analysis of recursive filters with considered and neglected parameters. Navigation (Washington). 67(4), 843-863. Gualdoni, M. J., & DeMars, K. J. (2020). Impartial Sensor Tasking via Forecasted Information Content Quantification. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 43(11), 2031-2045. McCabe, J. S., & DeMars, K. J. (2020). Anonymous Feature-Based Terrain Relative Navigation. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 43(3), 410-421. Ward, K. C., Fritsch, G. S., Helmuth, J. C., DeMars, K. J., & McCabe, J. S. (2020). Design and Analysis of Descent-to-Landing Navigation Incorporating Terrain Effects. Journal of Spacecraft and Rockets. 57(2), 261-277. Schmid, C., & DeMars, K. J. (2020). Angular Correlation Using Rogers-Szegő-Chaos. MATHEMATICS. 8(2), 171-171. McCabe, J. S., & DeMars, K. J. (2019). Vision‐based, terrain‐aided navigation with decentralized fusion and finite set statistics. Navigation (Washington). 66(3), 537-557. McCabe, J. S., & DeMars, K. J. (2017). Considering Uncertain Parameters in Non-Gaussian Estimation for Single-Target and Multitarget Tracking. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 40(9), 2138-2150. LeGrand, K. A., DeMars, K. J., & Pernicka, H. J. (2015). Bearings-Only Initial Relative Orbit Determination. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 38(9), 1699-1713. DeMars, K. J., Hussein, I. I., Frueh, C., Jah, M. K., & Scott Erwin, R. (2015). Multiple-Object Space Surveillance Tracking Using Finite-Set Statistics. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 38(9), 1741-1756. DeMars, K. J., & Bishop, R. H. (2015). Projecting High-Dimensional Parametric Uncertainties for Improved State Estimation Error Confidence. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 38(9), 1659-1672. DeMars, K. J., Cheng, Y., & Jah, M. K. (2014). Collision Probability with Gaussian Mixture Orbit Uncertainty. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 37(3), 979-985. Zanetti, R., & DeMars, K. J. (2013). Joseph Formulation of Unscented and Quadrature Filters with Application to Consider States. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 36(6), 1860-1864. DeMars, K. J., & Jah, M. K. (2013). Probabilistic Initial Orbit Determination Using Gaussian Mixture Models. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 36(5), 1324-1335. DeMars, K. J., Bishop, R. H., & Jah, M. K. (2013). Entropy-Based Approach for Uncertainty Propagation of Nonlinear Dynamical Systems. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 36(4), 1047-1057. Kelecy, T., Jah, M., & DeMars, K. (2012). Application of a Multiple Hypothesis Filter to near GEO high area-to-mass ratio space objects state estimation. Acta Astronautica. 81(2), 435-444. DeMars, K. J., Jah, M. K., & Schumacher, P. W. (2012). Initial Orbit Determination using Short-Arc Angle and Angle Rate Data. IEEE Transactions on Aerospace and Electronic Systems. 48(3), 2628-2637. Demars, K. J. Application of a Multiple Hypothesis Filter to near GEO high area-to-mass ratio space objects state estimation. Acta Astronautica. 81(2), 435-444. Darling, J. E., & Demars, K. J. Uncertainty Propagation of Correlated Quaternion and Euclidean States Using the Gauss-Bingham Density. Journal of Advances in Information Fusion. 11(2), 186-205. conference paper Brouk, J. D., & DeMars, K. J. (2022). Asynchronous Processing of Measurements with Uncertain Latencies in a Factorized, Consider-Neglect Navigation Filter Craft, K. J., & DeMars, K. J. (2022). Navigation Performance of Air Data Systems for Atmospheric Entry and Descent Helmuth, J. C., & DeMars, K. J. (2022). Optimal Slewing Maneuvers For Inertia Tensor Observability Psiaki, M. L., Ward, K. C., & DeMars, K. J. (2020). A Bi-quintic Latitude/Longitude Spline and Lunar Surface Modeling for Spacecraft Navigation. J Astronaut Sci. 657-703. Fritsch, G. S., & DeMars, K. J. (2020). Adaptive Confidence Filter Update for High Uncertainty Environments McCabe, J. S., & DeMars, K. J. (2020). Anonymous Feature Processing for Efficient Onboard Navigation DeMars, K. J., & Ward, K. C. (2020). Impact of Considering and Neglecting States on Descent-to-Landing Navigation Ward, K. C., & DeMars, K. J. (2020). Information-based Particle Flow for High Uncertainty Estimation Helmuth, J. C., & DeMars, K. J. (2020). Observability Study for Estimation of Rigid Body Attitude and Inertia Tensor Gualdoni, M. J., & DeMars, K. J. (2020). Optimization Strategies for Myopic and Forecasted Divergence-Based Sensor Tasking Objectives Brouk, J. D., & DeMars, K. J. (2020). Propagation of Errors Through Coning, Sculling, and Scrolling Correction Algorithms Helmuth, J. C., Ward, K. C., & DeMars, K. J. (2019). Fusion of Multiple Terrain-Based Sensors for Descent-to-Landing Navigation McCabe, J. S., & DeMars, K. J. (2019). Terrain Relative Navigation With Anonymous Features McCabe, J. S., & DeMars, K. J. (2018). Fusion Methodologies for Orbit Determination with Distributed Sensor Networks. 1323-1330. LeGrand, K., & DeMars, K. J. (2018). The data-driven delta-generalized labeled multi-Bernoulli tracker for automatic birth initialization. 35th European Mask and Lithography Conference (EMLC 2019). 1064606. Zanetti, R., & DeMars, K. J. (2018). A Comparison of Linear Attitude Estimators Kratzer, K. M., Helmuth, J. C., Ward, K. C., & DeMars, K. J. (2018). Impact of Sensor Model Fidelity and Scheduling on Navigation Performance McCabe, J. S., & DeMars, K. J. (2018). Robust, Terrain-Aided Landing Navigation Through Decentralized Fusion and Random Finite Sets Fritsch, G. S., & DeMars, K. J. (2018). Smoothing for Nonlinear Multi-target Filters with Gaussian Mixture Approximations Gualdoni, M. J., & DeMars, K. J. (2018). The Information Content of Data Arcs for Multi-Step Sensor Tasking McCabe, J. S., Brown, A. J., DeMars, K. J., & Carson, J. M. (2017). Comparison of Factorization-based Filtering for Landing Navigation McCabe, J. S., & DeMars, K. J. (2016). Feature-Based Robotic Mapping with Generalized Labeled Multi-Bernoulli Filters for Planetary Landers Darling, J., Houtz, N., Frueh, C., & DeMars, K. J. (2016). Recursive Filtering of Star Tracker Data Darling, J., & DeMars, K. J. (2016). The Bingham-Gauss Mixture Filter for Pose Estimation Bishop, R. H., Crain, T., DeMars, K. J., Hanak, C., Carson, J. M., Trawny, N., & Christian, J. A. (2016). An Inertial Dual-State State Estimator for Precision Planetary Landing with Hazard Detection and Avoidance Crain, T., Bishop, R. H., Carson, J. M., Trawny, N., Sullivan, J., Christian, J. A., ... Hanak, C. (2016). Approach-Phase Precision Landing with Hazard Relative Navigation: Terrestrial Test Campaign Results of the Morpheus/ALHAT Project LeGrand, K. A., & DeMars, K. J. (2014). Analysis of a Second-Order Relative Motion Lambert Solver DeMars, K. J., & McCabe, J. S. (2014). Multi-Sensor Data Fusion in Non-Gaussian Orbit Determination McCabe, J. S., & DeMars, K. J. (2014). Particle Filter Methods for Space Object Tracking Zanetti, R., DeMars, K. J., & Mortari, D (2012). NOVEL MULTIPLICATIVE UNSCENTED KALMAN FILTER FOR ATTITUDE ESTIMATION. ASTRODYNAMICS 1997. 337-+. Hussein, I., DeMars, K., Fruh, C., Jah, M., & Erwin, R. (2012). An AEGIS-FISST Algorithm for Multiple Object Tracking in Space Situational Awareness Zanetti, R., DeMars, K. J., & Bishop, R. H. (2010). Underweighting Nonlinear Measurements. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS. 1670-1675. Davis, J., Striepe, S., Maddock, R., Paschall, S., Bishop, R., Johnson, A., ... Sostaric, R. (2008). Advances in POST2 End-to-End Descent and Landing Simulation for the ALHAT Project DeMars, K. J., Bishop, R. H., & Jah, M. K. A SPLITTING GAUSSIAN MIXTURE METHOD FOR THE PROPAGATION OF UNCERTAINTY IN ORBITAL MECHANICS. ASTRODYNAMICS 1997. 1419-+. Gualdoni, M. J., & DeMars, K. J. AN IMPROVED REPRESENTATION OF MEASUREMENT INFORMATION CONTENT VIA THE DISTRIBUTION OF THE KULLBACK-LEIBLER DIVERGENCE. ASTRODYNAMICS 1997. 1889-1908. Darling, J. E., & DeMars, K. J. ANALYSIS OF THE GAUSS-BINGHAM DISTRIBUTION FOR ATTITUDE UNCERTAINTY PROPAGATION. ASTRODYNAMICS 1997. 1407-1426. Schmid, C. L., & DeMars, K. J. ANGULAR CORRELATION USING ROGERS-SZEGO-CHAOS. ASTRODYNAMICS 1997. 1583-1601. DeMars, K. J., & Zanetti, R. APPLICATIONS OF UNSCENTED AND QUADRATURE CONSIDER FILTERS USING A MODIFIED JOSEPH FORMULATION. ASTRODYNAMICS 1997. 1267-1279. Demars, K. J. An AEGIS-FISST integrated detection and tracking approach to space situational awareness Demars, K. J. An inertial dual-state state estimator for precision planetary landing with hazard detection and avoidance Demars, K. J. An optimization formulation of information theoretic sensor tasking Demars, K. J. Analysis of a second-order relative motion lambert solver Demars, K. J. Approach-phase precision landing with hazard relative navigation_ Terrestrial test campaign results of the Morpheus/ALHAT project Cheng, Y., Fruh, C., & DeMars, K. J. COMPARISONS OF PHD FILTER AND CPHD FILTER FOR SPACE OBJECT TRACKING. ASTRODYNAMICS 1997. 1043-1054. Frueh, C., Howell, K., Demars, K., & Bhadauria, S. Cislunar Space Situational Awareness Frueh, C., Demars, K., Bhadauria, S., & Gupta, M. Cislunar Space Traffic Management: Surveillance Through Earth-Moon Resonance Orbits Demars, K. J. Comparison of factorization-based filtering for landing navigation McCabe, J. S., DeMars, K. J., & IEEE. Considering Uncertain System Parameters in Multitarget Space Surveillance Tracking. 170-177. McCabe, J. S., & DeMars, K. J. DECENTRALIZED FUSION WITH FINITE SET STATISTICS FOR LANDING NAVIGATION. ASTRODYNAMICS 1997. 2937-2961. Darling, J. E., LeGrand, K. A., Galchenko, P., Pernicka, H. J., DeMars, K. J., Shirley, A. T., ... Mundahl, A. J. DEVELOPMENT AND FLIGHT OF A STEREOSCOPIC IMAGER FOR USE IN SPACECRAFT CLOSE PROXIMITY OPERATIONS. ASTRODYNAMICS 1997. 489-500. DeMars, K. J., Bishop, R. H., Crain, T. P., & Condon, G. L. ENGINEERING ANALYSIS OF GUIDANCE AND NAVIGATION PERFORMANCE IN THE UNCERTAIN LUNAR ENVIRONMENT TO SUPPORT HUMAN EXPLORATION. ASTRODYNAMICS 1997. 263-+. DeMars, K. J., & Jah, M. K. EVALUATION OF THE INFORMATION CONTENT OF OBSERVATIONS WITH APPLICATION TO SENSOR MANAGEMENT FOR ORBIT DETERMINATION. ASTRODYNAMICS 1997. 3169-3188. DeMars, K. J., McCabe, J. S., Darling, J. E., & IEEE. Efficient Multi-Sensor Data Fusion for Space Surveillance. 1985 American Control Conference. 5212-5217. Demars, K. J. Feature-based robotic mapping with generalized labeled multi-bernoulli filters for planetary landers Cheng, Y., DeMars, K. J., Fruh, C., & Jah, M. K. GAUSSIAN MIXTURE PHD FILTER FOR SPACE OBJECT TRACKING. ASTRODYNAMICS 1997. 649-668. Brady, T., II, P. S., II, C., Demars, K., & Bishop, R. GENIE FLIGHT TEST RESULTS AND SYSTEM OVERVIEW. ASTRODYNAMICS 1997. 609-+. Ward, K., & Demars, K. Gaussian Mixture Particle Flow Modeling Using Information Potential Demars, K. J. Information Theoretic Approaches to Space Object Collision Demars, K. J. Initial relative orbit determination using multiple los measurements and Gaussian mixture models Fritsch, G., & Demars, k. Intrinsic Fault Resistance for Nonlinear Filters with State-Dependent Probability of Detection Helmuth, J. C., & Demars, K. Joint Probabilistic Data Association Filter Using Alternate Equinoctial Orbital Elements Demars, K. J. Linear and unscented covariance analysis for spacecraft close proximity relative navigation Darling, J. E., & DeMars, K. J. MINIMIZATION OF THE KULLBACK-LEIBLER DIVERGENCE FOR NONLINEAR ESTIMATION. ASTRODYNAMICS 1997. 213-232. Schmid, C. L., & DeMars, K. J. MINIMUM DIVERGENCE FILTERING USING A POLYNOMIAL CHAOS EXPANSION. ASTRODYNAMICS 1997. 1909-1928. Demars, K. J. Multi-sensor data fusion in non-gaussian orbit determination Demars, K. J. Multiple set filtering using probability hypothesis densities DeMars, K. J. NONLINEAR GAUSSIAN MIXTURE SMOOTHING FOR ORBIT DETERMINATION. ASTRODYNAMICS 1997. 2117-2133. DeMars, K. J., & Bishop, R. H. Navigation analysis to facilitate precision decent navigation for landing at the moon. ASTRODYNAMICS 1997. 1053-1068. Fritsch, G., & Demars, K. Nonlinear Filtering with Intrinsic Fault Resistance Zanetti, R., DeMars, K. J., & Bishop, R. H. ON UNDERWEIGHTING LIDAR MEASUREMENTS. ASTRODYNAMICS 1997. 1085-1096. Brouk, J., & Demars, K. Orbit Determination Using the Probability Hypothesis Density Filter and Alternate Equinoctial Orbital Elements DeMars, K. J., & Jah, M. PASSIVE MULTI-TARGET TRACKING WITH APPLICATION TO ORBIT DETERMINATION FOR GEOSYNCHRONOUS OBJECTS. ASTRODYNAMICS 1997. 89-+. DeMars, K. J., & Jah, M. K. PROBABILISTIC INITIAL ORBIT DETERMINATION USING RADAR RETURNS. ASTRODYNAMICS 1997. 35-54. Demars, K. J. Particle filter methods for space object tracking Demars, K. J. Polynomial chaos confined to the unit circle DeMars, K. J., & Bishop, R. H. Precision descent navigation for landing at the moon. ASTRODYNAMICS 1997. 1027-1050. Helmuth, J. C., Darling, J. E., & DeMars, K. J. RECURSIVE MULTIPLICATIVE ESTIMATION OF RIGID BODY ATTITUDE AND MOMENT OF INERTIA. ASTRODYNAMICS 1997. 4215-4233. DeMars, K. J., Felker, P. S., & Bishop, R. H. REDUCED COMPLEXITY GRAVITY MODELING FOR RAPID DESIGN ENVIRONMENTS. ASTRODYNAMICS 1997. 2255-+. Demars, K. J. Recursive filtering of star tracker data LeGrand, K. A., DeMars, K. J., & IEEE. Relative Multiple Space Object Tracking Using Intensity Filters. 1253-1261. DeMars, K. J., Bishop, R. H., & Jah, M. K. SPACE OBJECT TRACKING IN THE PRESENCE OF ATTITUDE-DEPENDENT SOLAR RADIATION PRESSURE EFFECTS. ASTRODYNAMICS 1997. 2801-2820. Haberberger, S. J., & DeMars, K. J. SPACECRAFT NAVIGATION USING A ROBUST MULTI-SENSOR FAULT DETECTION SCHEME. ASTRODYNAMICS 1997. 4653-4672. Demars, K. J. Solutions of multivariate polynomial systems using macaulay resultant expressions McCabe, J. S., & DeMars, K. J. THE GAUSSIAN MIXTURE CONSIDER KALMAN FILTER. ASTRODYNAMICS 1997. 1077-1096. DeMars, K. J., Jah, M. K., & Jr, S. THE USE OF ANGLE AND ANGLE RATE DATA FOR DEEP-SPACE ORBIT DETERMINATION AND TRACK ASSOCIATION. ASTRODYNAMICS 1997. 815-+. Demars, K. J. The Cauchy-Schwarz divergence for assessing situational information gain Demars, K. J. The bingham-gauss mixture filter for pose estimation Darling, J. E., DeMars, K. J., & IEEE. Uncertainty Propagation of Correlated Quaternion and Euclidean States Using Partially-Conditioned Gaussian Mixtures. 1805-1812.
teaching activities AERO211 Aero Engr Mechanics Instructor AERO422 Act Contr For Aero Veh Instructor AERO622 Spacecraft Dynamics Instructor AERO691 Research Instructor
education and training Ph.D. in Aerospace Engineering, The University of Texas at Austin - (Austin, Texas, United States) 2010 M.S.E. in Aerospace Engineering, The University of Texas at Austin - (Austin, Texas, United States) 2007 B.S. in Aerospace Engineering, The University of Texas at Austin - (Austin, Texas, United States) 2004