Matthew Charles Ruschmann

Laurel, MD 20723
phone: (607) 205-8453
e-mail: matthew@ruschmann.net
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Professional Summary

Senior engineer with 11 years of R&D experience on projects for DARPA, NASA, and AFRL
Experienced developer of high-fidelity space vehicle physics simulations and flight software algoirthms
Expert knowledge of automatic control, FDIR (fault detection, isolation, and recovery), and Markov processes
Experienced with linear and non-linear optimization including convex optimization and simulated annealing
Practitioner of CMMI Level 3 certified Agile process management for 6 years, scrum master for 3 years

Education

2009: Ph.D., Electrical Engineering; Binghamton University (Binghamton, NY)
Dissertation: Optimal Dataset Reliability and Robust Asset Allocation in Air Operations
2006: M.S., Electrical Engineering; Binghamton University (Binghamton, NY)
Thesis: Receding Horizon Control of Air Operations Resource Allocation
2004: B.S., Electrical Engineering; Clarkson University (Potsdam, NY)
Minor: Mathematics

Skills & Experience Summary

Algorithms: Extended Kalman Filter, Convex Optimization, Dynamic Programming, Perturbation Analysis, Receding Horizon Control, Unscented Transformation, Linear Covariance Analysis, Pulse Compression Probing, PID Controller, Phase Plane Controller
Software engineering: Enterprise Architect UML, Test-driven Development, Model-driven Development, CMMI Level 3, Atlassian JIRA Agile, Atlassian Bamboo, Jenkins Continuous Integration, Git, Subversion, Puppet, SaltStack
Languages: C/C++, Python, MATLAB, Simulink, MATLAB Coder, Stateflow, Java, Lua
NASA tools: 42 simulation, Trick simulation, Core Flight System (cFS), JSC's Engineering Orbital Dynamics (JEOD), Orbit Determination Toolbox (ODTBX), Multimission Three-Axis Stabilized Spacecraft (MTASS) system
OS: Windows, Linux, FreeBSD, RTEMS

Professional Experience

Emergent Space Technologies, Inc.
May 2011-Current

Led agile development of Distributed In-flight Control (DISCo) for two UAV sensorcraft and a rover primary

Integrated sensor and data processing algorithms into DISCo real-time software for a DARPA SBIR
Led engineering and software development team of five engineers using Agile SCRUM methodology

Supported Firefly Space Systems with integration and validation of launch vehicle GN&C algorithms

Designed and developed interfaces in the simulated environment that mimic the runtime environment
Verified the frequency domain analysis of gimballed steering controls
Developed a Simulink block for verifying flight software controller in their analysis tool
Created a configuration managed and easy to install virtual machine with development environment for GN&C software developers

Principal investigator (PI) for R&D of Separable Architecture for Fault Isolation and Recovery (SAFIR) from concept to a high fidelity product demonstration.

Acquired Phase 1 SBIR and Phase 2 SBIR funding from NASA for the SAFIR model based fault detection algorithms and service oriented fault management architecture
Designed, developed, and analyzed fault detection and isolation methods for clusters of spacecraft using likelihood ratio and majority voting
Enhanced Emergent's clustered spacecraft dynamics simulation with modeled spacecraft faults
Developed fault management services using algorithm models and C source code generation
Implemented sound software engineering practices such as agile process management, use case analysis, model based design using UML, automated testing, and automated static code analysis
Demonstrated that SAFIR is TRL5 for FDIR of guidance, navigation, and control in a cluster of four spacecraft

Team lead development of orbit maintenance and maneuver planning algorithms as well as flight code for relative guidance of clustered spacecraft in support of DARPA’s F6 program.

Designed novel orbit maintenance methods for clusters of spacecraft
Developed the Cluster Orbit Maintenance Evaluation Tool (COMET) in MATLAB to conduct trade studies analyze guidance, navigation and control algorithms
Designed and executed trade studies to analyze performance of station keeping methods and maneuver planning algorithms for spacecraft clusters
Designed an unscented transformation to analyze orbit covariance to compute collision probability
Implemented a linear optimization method for solving relative spacecraft maneuvers

Binghamton University / Research Foundation of SUNY
May 2009–April 2011

Postdoc position developing robust sensor placement algorithms and FDIR algorithms.

Derived robust sensor placement for phase measurement units (PMU) in power networks that maximized fault-tolerance of state observability
Developed a pulse-compression probing method for health monitoring of nonlinear systems such as the NASA generic transport model (GTM) UAV
Implemented an extended Kalman Filter for estimating parameters of aircraft actuator faults
Derived reachable sets and analyzed fault coverage for the NASA GTM and power distribution networks

Research Foundation of SUNY
May 2006 – May 2009

Research assistant developing fault-tolerant policies for discrete event systems such as Markov processes.

Implemented receding horizon for an uncertain bilinear system with control constrains that modeled resource allocation for improved win probability of an air operation
Designed state estimators and detectors for Markov models with uncertain observations
Simulated hybrid models in MATLAB and Simulink using Stateflow and SimEvents
Optimized dataset renewal policies for fault tolerant database servers by deriving sensitivity gradients using perturbation analysis

Noteable Awards

2012: Emergent Special & Talented Achievement Recognition (STAR) Award
2009: Excellence in Research Award; Awarded by the electrical engineering department to a single post-graduate for dedication and excellence in their research
1999: The Clarkson School; Program for high school seniors to start college a year early

Affiliations

Eta Kappa Nu (HKN) inducted 12/2002, Gamma Gamma chapter
Member of Institute of Electrical and Electronics Engineers (IEEE)
Member of American Institute of Aeronautics and Astronautics (AIAA)
Registered small unmanned aircraft system (sUAS) operator

Publication list

Ruschmann, M., Duffy, B., de la Torre, R., and Hur-Diaz, S. "Efficient Station Keeping for Cluster Flight." 24th International Symposium on Space Flight Dynamics. Laurel, MD, May 2014.

Schmidt, J., Phillips, M., and Ruschmann, M. "Satellite Cluster Flight Design Considerations," 24th International Symposium on Space Flight Dynamics. Laurel, MD, May 2014.

Duffy, B., Brown, A., Ruschmann, M., and Ward, L. "Scatter Strategies for Cluster Flight." 24th International Symposium on Space Flight Dynamics. Laurel, MD, May 2014.

Brown, A., Ruschmann, M., Duffy, B., Ward, L., Hur-Diaz, S., Ferguson, E., and Stewart, S. "Simulated Annealing Maneuver Planner For Cluster Flight." Proceedings 24th International Symposium on Space Flight Dynamics. Laurel, MD, May 2014.

Hur-Diaz, S., Ruschmann, M., Heyne, M., and Phillips, M. "Computing Collision Probability Using Linear Covariance and Unscented Transforms." AIAA Guidance, Navigation, and Control and Co-located Conferences and AIAA Infotech@Aerospace 2013. Boston, MA, 19-22 Aug 2013.

Huang, J., Wu, N.E., Ruschmann, M.C. "Data-Availability-Constrained Placement of PMUs and Communication Links in a Power System." IEEE Systems Journal, vol. 8, no. 2, 2013.

Ruschmann, M., Wu, N.E., and Huang, J. "Redundancy Architecture Design of PMU Networks for Availability of Synchrophasors." 2012 IEEE PES Innovative Smart Grid Technologies. Washington, D.C., Jan 2012.

Wu, N.E. and Ruschmann, M. "Toward a Highly Available Modern Grid." Power Electronics and Power Systems, vol. 3, 2011.

Wu, N.E and Ruschmann, M.C. "Fault-Tolerant Control of a Hidden Markov Process with Application to Resource Allocation in an Air Operation." Journal of Systems Engineering and Electronics, vol. 22, no. 1, 2011.

Ruschmann, M., Wu N.E. "Pulse-Compression Probing for Nonlinear Systems with Additional Hard Nonlinearity at the Input." Proceedings of the 2011 American Control Conference. San Francisco, CA, 2011.

Wu, N.E., Ruschmann, M.C., and Huang K. "Probing the NASA Generic Transport Aircraft in Real-Time for Health Monitoring." IEEE Transactions on Control System Technology, vol. 19, no. 5, 2010.

Ruschmann, M., Wu N.E., and Shin, J.Y. "Actuator Fault Diagnosis Using Two-Stage Extended Kalman Filters." Proceedings of the 2010 Guidance, Navigation, and Control Conference. Toronto, ON CA, 2010.

Ruschmann, M., Huang, J., and Wu, N.E. "Pulse-Compression Probing of Small Signal Characteristics for Nonlinear Systems in Dynamic Operating Conditions." Proceedings of the 49th IEEE Conference on Decision and Control. Atlanta, GA, 2010.

Ruschmann, M. and Wu, N.E. "Online Estimation of Linear State-Space Parameters of the Generic Transport Model for a Set of Structural Damage Scenarios." Proceedings of the 49th IEEE Conference on Decision and Control. Atlanta, GA, 2010.

Wu, N.E., Ruschmann, M.C., and Linderman, M. "Fault-Tolerant Control of a Distributed Database System." Journal of Control Science and Engineering, vol. 2008, no. 1, 2008.

Wu, N.E. Wu, Guo, Y., Huang, K., Ruschmann, M., and Fowler, M. "Fault-Tolerant Tasking and Guidance of an Airborne Location Sensor Network." International Journal of Control Automation and Systems, vol. 6, no. 3, p. 351, 2008.

Ruschmann, M. and Wu, N.E. "Perturbation Analysis for Optimal Update Intervals of Data Sets." Proceedings of the 2008 American Control Conference. pp. 4318–4323. Seattle, WA, 2008.

Ruschmann, M. and Wu, N.E. "Optimal control of a database with reduced & full state models." Proceedings of the 46th IEEE Conference on Decision and Control, pp. 2663–2668. New Orleans, LA, 2007.

Wu, N.E. and Ruschmann, M. "Loop Closure for Enhanced Win Percentage in an Air Operation." Proceedings of the 2007 American Control Conference, pp. 1097–1102. New York, NY, 2007.