Professional Objective

To work in a professionally challenging environment on tasks in spacecraft attitude and orbit controls design, analysis, integration,  testing and on-orbit checkout, and to develop and utilize skills in leadership, technical management and commercialization.

Special Skills

·        Spacecraft GN&C systems development, testing and verification with multi-degree-of-freedom rigid and flexible body simulations

·         Flight software control system logic and design, testing of actuators including Reaction Wheels, Three Axis Magnetometers (TAM), Magnetic Torquer Bars (MTB), Reaction Control Systems (RCS) and Control Moment Gyros (CMG), thermal anti-sun pointing and photovoltaic sun pointing systems.  Also analysis and testing of sensors including Coarse and Fine Sun Sensors, rate gyros, Inertial Measurement Units (IMU) and star trackers.  Familiar with ADA, C, C++, Fortran, Assembly Languages, MATLAB/SIMULINK, MATHCAD, Kalman Filters, Linear and Non-Linear Control

·         Robotic systems and Controller-Controller Interactions (CCI) and Controller-Structure Interactions (CSI) analyses

·         Operations planning and realtime console support for spacecraft attitude and pointing

·         Organizational leadership, effectiveness, written and oral technical presentation

Experience

Johns Hopkins University/Applied Physics Laboratory, Laurel, MD                         March,  2004 to present

Robotic Lunar Lander and Asteroid Robotic Lander GN&C Technology Development

·        Designed MATLAB/Simulink 6-DOF truth and GN&C flight algorithm technologies for low gravity precision robotic landers in three years of IR&D, in design studies and proposals.  Led effort of five engineers.

·         Developedlunarrobotic lander gravity turn, quadratic precision  and terminal guidance and controls designs.  Tested algorithms for SRM burn attitude control, thruster sizing, propellant slosh damping, landing conditions against requirements, including touchdown attitude, rates, lateral and descent velocities. Currently analyzing 1-G testbed terminal guidance and control algorithms and developing trajectories for helicopter field trial tests of passive optical navigation system.

New Horizons – Pluto-Kuiper Belt – Lead G&C Engineer and  G&C Flight Software Testing

·         Designed and executed Acceptance Test Plans for G&C flight software.  Utilized MATLAB/Real Time Workshop for analysis and translation tools to EPOCH 2000 STOL procedure commands.  Appointed toLead G&C position for final development phase  through launch and post launch checkout.  Designed and executed bench and spacecraft level procedures for IMU tests, propulsion system phasing tests, sun sensors, star trackers and G&C flight software in high bay, thermal vacuum chamber and at launch site class 10000 clean rooms.

MESSENGER - G&C Flight Software Testing

·         Led in development of method for rapidly translating 100 individual MATLAB/Real Time Workshop based scenarios into EPOCH 2000 STOL command scripts for spacecraft testbed. Supported G&C hardware in the loop Integration and Test activities on spaceraft.  Analyzed results of tests compared to RTW predicts, found and documented defects in flight software, wrapper code, testbed models and hardware emulations.

Swales Aerospace, Inc., Beltsville, MD                                             February, 1999 to February, 2004

FUSE - ACS Redesign,  Orbital Sciences Corporation, Dulles, VA

·         Worked with Orbital, NASA/GSFC, Johns Hopkins University engineers and led in development of SafeBdot Mode as a backup, and testing as part of flight software redesign to handle loss of gyros and reaction wheels..

GOES-N - Spacecraft Emulator Integration into Ground Command and Control, Lanham and Suitland, MD

·         Assisted development and execution of test plans with Epoch 2000 ground system as local expert on Boeing Spacecraft Emulator (BSE) and as east coast liaison to NASA/NOAA for Boeing Satellite Systems (BSS)

GOES-N - Attitude Controls Test Engineer at BSS (formerly Hughes Space and Comm) – El Segundo, CA

·         Developed and executed test plans for Normal and Stationkeeping Modes for GOES-N flight software realtime test environment.  Performed both realtime and post-test assessment of closed loop functional performance and participated in Problem Report generation and resolution uncovered in flight software, simulation and command and telemetry database.

 Heavy Nuclei Explorer (HNX) - Phase A Design Study ACS Lead and for Several Studies

·         Developed control system concept and design for Shuttle deployable Small Explorer satellite.  Led effort to implement design and models on MATLAB/SIMULINK environment.  Performed sizing, and costing of manpower, sensor and actuator procurement.

·         Developed design concept and performed simulation analyses for independent Safehold Electronics (SHE) for GOES-N configuration and impacted Hughes and Space Communications hardware and software design

·         Developed Attitude Control System design for Jet Propulsion Lab proposal called Orbiting Technology Testbed Initiative (OTTI).  Sized and selected actuators, sensors and developed simulation for performance analysis.  Costed algorithm development, hardware procurement, integration and test.

Motorola, Inc. Satellite Communications Group, Leesburg, VA                                                           May, 1996 to January, 1999

McDonnell Douglas Aerospace Corp./Boeing, Chandler, AZ

Iridium – Operations, Realtime Launch and On Orbit Engineering and Analysis Support, Leesburg, VA

·         Provided on console and pager support as Attitude Control System Engineer.  Determined cause of, developed workarounds for on orbit anomalies involving flight hardware and software algorithm problems, including Three Axis Ring Laser Gyro (RLG) failures, fine and coarse horizon sensor calibration problems, momentum wheel drag torque spiking and failures.  Developed novel procedure using solar arrays for solar sailing and stationkeeping with significant revenue savings to the program.  Investigated design improvements to flight software to handle gyroless/wheelless attitude determination to lengthen life of the affected spacecraft.

Iridium - Integration and Test ACS Lead, Spacecraft in High Bay, Realtime Flight Hardware/Software Attitude and   Orbit Testing, Chandler, AZ

·         Lead Test Engineer and Test Conductor:  Developed test plans, procedures and checklists for hands-on testing of Attitude and Orbit Control System (AOCS) with Closed Loop Test Facility (CLTF) configured Iridium space vehicle in the high bay  (Chandler, AZ).  Wrote up Defect documentation, and developed workarounds on the floor to complete test objectives.  Analyzed post-test data for further anomaly identification and resolution.

·         Supported End-to-End tests with spacecraft in high bay and Satellite Control Center (SCC) operations as expert on Iridium satellite Qualification Model vehicle.

McDonnell Douglas Aerospace Corp., GSFC, Greenbelt, MD                                                         November, 1993 to April, 1996

Geostationary Operational Environment Satellite (GOES) - Project Office

·         Participated as Attitude and Orbit Control Systems (AOCS) engineer in final ambient testing at Cape Canaveral and on console during launch operations at the NOAA Satellite Operations Control Center (SOCC).

·         Developed high fidelity simulation using spacecraft AOCS firmware model for testing GOES-K storage mode commands and to test star tracker based AOCS improvements for implementation on GOES-L and M

Total Ozone Mapping Spectrometer - Earth Probe (TOMS-EP)  Project Office

·         Developed high fidelity Attitude Control and Determination System (ACDS) simulation for performance and     operations assessments prior to flight and in support of real-time operations during mission.

·         Designated as ACDS Flight Support Team member for TOMS-EP for planning and Launch Operations Control   Room (LOCR) console operations through launch, orbit raising and systems checkout.

Booz•Allen & Hamilton, Inc., Reston, VA                                        October 1986 to November 1993

Space Station Freedom - Integrated Performance Analysis, Space Station Engineering and Integration Contractor

·         Developed 6-DOF flight mechanics robotics simulation capability for Space Station Freedom (SSF) integrated performance assessments using Grumman Robotics Analysis Simulation Program (GRASP).

·         Performed and published several studies on rigid and flexible link Shuttle Remote Manipulator (SRMS) interactions with  SSF control systems including attitude and momentum controllers, thermal and power system pointing controllers.

·         Assessed operational scenarios including Space Shuttle to SSF berthing, assembly of cargo elements onto the SSF using robotic systems and impacted design and operations through design review process.

·         Led five person study of attitude and reboost control dynamics for First Element Launch (MB-1) configuration. 

·         Led early controllability study of Orbital Manuevering Vehicle (OMV) use with  Space Station for attitude hold during assembly phase.

·         Developed simulation for resolving orbital dynamics problems between the Space Station and a co-orbiting platform for NASA Headquarters Level I Office of Space Station.

·         Led initial development effort on Automated Rendezvous and Docking (ARD) experiment for COMET program

Rockwell Shuttle Operations Co., Johnson Space Center, Houston, TX                                        January, 1986 to October, 1986

McDonnell Douglas Astronautics Co., Johnson Space Center, Houston, TX                                      June, 1982 to January, 1986

Space Shuttle - Orbiter Attitude and Pointing Operations

·         Developed attitude and pointing data for Space Shuttle Orbiter plans and checklists. Supported preflight development of Payload Integration Plan (PIP). Provided real-time, on-console support in Mission Control Center as Attitude and Pointing Officer in simulations and during flights including STS-51D, 51G, 61B and 51L.  Contract was continued at Rockwell on 1/86.

Education  

University of Houston - Clear Lake, Houston, TX

Master of Science, Process Monitoring and Controls Technology, May 1986.

GPA: 3.5/4.0

University of Maryland - College Park, MD

Bachelor of Science, Aerospace Engineering, May 1982.

GPA: 3.13/4.0

Additional Training

Low Cost Lunar Access Seminar, Artificial Intelligence Seminar, HP-9000/HP-UX, Modern Control Theory and Large Space Structures Seminar, LISP Seminar, Space Shuttle Flight Controller Certification Training,  Effective Writing, Structured Writing, Time Management, Client Presentations, Problem Solving, ADAMS Robotics Simulation Tool, Visual C++, Applied Kalman Filtering Seminar

Publications

1)“Robotic Lunar Lander Guidance, Navigation, And Control Concept Design And Analysis”,American Astronautical Society, Kaidy, et. al., February 2011.

2) “Deimos Precision Lander Guidance, Navigation and Control Design”, International Astronautical Congress", Kaidy, et. al., September, 2010.

3) “Spacecraft Precision Landing System For Low Gravity Bodies”, American Astronautical Society, Kaidy, et. al., February 2010.

4)  “Controlling Orbit Raising Induced by Solar Pressure Using Solar Arrays”, Patent Disclosure, Kaidy, et. al., March 1998.

5) “Interactions Between the Space Station Freedom Attitude Control System and Space Shuttle Remote Manipulator Controller During On-Orbit Assembly Operations”,  Fourth International Conference on Engineering, Construction, and Operations in Space and the Conference on Robotics for Challenging Environments, Kaidy, et. al., February 1994.

6) “Space Station Freedom Early Stage Berthing Using the Shuttle Remote Manipulator System”, AIAA Space Programs and Technologies Conference, Kaidy, et. al.,September 1993.

7) “Multibody Interactive Dynamics of the Arms and Spacecraft (MIDAS)”, AIAA Space Programs and Technologies Conference, Kaidy, et. al.,September 1993.

8) “Space Station Freedom Integrated Station / Robotics Dynamics Assessment”, Space Station Engineering and Integration Contractor, Kaidy, et. al.,May, 1993.

9) “Orbital Debris Mitigation Techniques:  Technical, Economic, and Legal Aspects”, AIAA Orbital Debris Study Group Special Project Report, Kaidy, et. al., January, 1992.

10) Infrastructure Technologies Working Group, Subgroup Report on Space Assembly, Mechanisms and Structures,” AIAA Assessment of Innovative Technologies for the Exploration of Space, Kaidy, et. al.,September, 1990.

11) “MB-1 Attitude and Reboost Control Feasibility,” Space Station Freedom Program, Space Station Engineering and Integration Contractor, Kaidy, et. al.,May 31, 1989.

12) “Space Station Assembly Sequence Planning: An Engineering and Operational Challenge”, AIAA Space Programs and Technologies Conference, Kaidy, et. al.,September, 1988, and Aerospace America magazine article, November 1988.

13) “Servicing Considerations for a Co-Orbiting Microgravity Production Facility”, Space Station Technical and Policy Analysis Study Contract, Kaidy, et. al.,January 1987.

14) “A Linear Quadratic Tracker for Control Moment Gyro Based Attitude Control of the Space Station”, Master's Thesis and AIAA Space Systems Technology Conference,  Kaidy, June 1986.

Honors and Awards

• NASA Goddard Spaceflight Center Group Achievement Award - GOES Project, May 1995

• NASA Headquarters Group Achievement Award - Space Stations Operations Task Force, March 1988.

•NASA Johnson Space Center, Mission Operations Directorate - Space Shuttle Flight Control Certification - Mission Control Center "Pointer" position, November 1985.

• NASA Johnson Space Center, Mission Planning and Analysis Division - Space Transportation and Analysis Team, July 1983.

Outside Interests

Senior Member American Institute of Aeronautics and Astronautics (AIAA) Judge for Undergraduate Student Design Competitions, 1992-1993, Chairman National Space Operations and Support Technical Committee (SOS-TC) 1992, Secretary SOS-TC 1991, Chairman  Public Policy and Congressional Testimony Subcommittee 1989-1990, Technical Panel Chairman for Orbital Debris Study Group 1989-1991, Chairman of Century House Condo Board 1992-93.  Enjoy running, biking, weight training, water and snow skiing, sailing, guitar, photography and travel.   Active alumnus of Pi Kappa Alpha social fraternity.

 References

Furnished upon request