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CV: Research Scholar

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Candidate Profile

Date Submitted:	05-11-2008
Last Modified:	05-11-2008 (04:56)

Job information

Current job:	Research Scholar
Employment Term:	Permanent
Relocation:	Anywhere
Date available:	immediately
Industry:	Space Tourism
Keywords	orbital dynamics, spacecraft dynamics and control, mission analyst, nonlinear control, fault tolerant

Education

Doctor of Philosophy - 2006 to present - Aerospace Engineering, Ryerson University, Toronto - GPA 4.25/4.33
Master of Applied Science - 2004 to 2006 - Aerospace Engineering, Ryerson University, Toronto - GPA 4.00/4.33
Bachelor of Engineering - 2000 to 2004 - Aerospace Engineering, Ryerson University, Toronto

Experience

Project Lead - May’08 till present - Collaborative project with NSERC, the Canadian Space Agency, SpaceQuest Inc. (Toronto, ON), Thoth Technology Inc. (Kettleby, ON)

Design of fault tolerant and intelligent control system for micro and nanosatellites.
Lead engineer for developing nonlinear guidance and control algorithms for global stabilization of underactuated space systems, to control under actuator failures, and control during formation flying in the event of onboard actuator failure.
Assisted in mathematical modeling of Nanowheels and CMGs and their selection based on optimal design for mass, power and available torque.

Doctoral Fellowship - September’06 till present - Space Systems Dynamics and Control Group (SSDC), Ryerson University - Fault tolerant control of space systems (Doctoral Thesis)

Developed nonlinear adaptive control techniques capable of precise orbital maintenance and perform efficient orbital maneuvers for multiple spacecraft in formation flying around LEO in the presence of external perturbations and thruster/sensor faults.
Analysed orbit reconstruction requirements, thrusters for formation acquisition, orbit characteristics, orbital performance analysis, and prediction of relative motion based on navigation sensors for formation via numerical simulations of the high fidelty mathematical model of formation system.
Developed a nonlinear control algorithm to stabilize the attitude of an underactuated rigid-body spacecraft in the presence of nonlinear disturbances.

Research Assistant - September’04 till June’06 - Space Avionics and Instrumentation Laboratory (SAIL), Ryerson University - Advanced Sun-sensor processing and design for super-resolution performance (Master's Thesis)

Assisted in developing custom MATLAB software package for Sun-sensor data processing, including sun-localization and attitude determination.
Optimized aperture patterns using Genetic Algorithms and evaluated the effect of super-resolution techniques in determining the effective resolution of Sun-sensors.

Graduate Teaching Assistant - September’04 till date - Department of Aerospace Engineering, Ryerson University - Department of Mathematics, Ryerson University

Supervised laboratories, demonstrated and explained the use of equipment, and helped students perform and solve given course-related assignments and projects.
Teaching experience in Orbital Dynamics (AER721), Introduction to Space Systems Design (AER723), and Systems Engineering (AER817).
Teaching Assistant for department of mathematics in Calculus I & II, Linear Algebra, Numerical Methods, Modern Mathematics, Probability Statistics and Stochastic Process, and Differential Equations.
Organized reference materials, assisted professors for lectures, structuring assignments, and course projects.

Project Engineer - January’04 to April’04 - Undergraduate Space System Design Project, MDA Space Missions - Sample return from the lunar South Pole-Aitken Basin

Designed a Sample Acquisition System on a mission to Lunar south pole - Aitken Basin to collect samples from the lunar surface and provide them to the Lunar Ascent Vehicle.
Assisted in preliminary design analysis, launcher ascent trajectory analysis, mission analysis of interplanetary trajectories, and orbital performance analyses.
Designed the power system and avionics of the Lunar rover, and determined the communication window available for direct contact with ground station.
Principal dynamics analyst for Sample Acquisition System from conceptual design through early-orbit operations. Work covered dynamic stability, thermal control system, and coordinated in spacecraft guidance and control.
Numerical simulations to demonstrate orbit determination and orbit maintenance.

Research Associate - September’03 to April’04 - Undergraduate Thesis, Boeing Toronto Ltd. and Ryerson University - The aerodynamic effects of truncated trailing edge on airfoils.
- Designed a truncated trailing edge for a Boeing 737 airfoil using GAMBIT.
- Performed CFD (FLUENT) analysis to investigate the cause of drag reduction on a truncated trailing edge of a Boeing 737 airfoil.
- Optimized the airfoil trailing edge size making it efficient to reduce operating costs.

Major Areas of Study

Graduate Studies
- Orbital Dynamics, Space Mechanics, Rocket Propulsion, Digital Signal Processing, Computational Dynamics, Optimization Models, and Space Avionics.

Undergraduate Studies
- Spacecraft Attitude Dynamics and Control, Introduction to Space Systems Design, Aircraft Structural Design, Aircraft Component Design, Avionics and Systems.

Technical Skills

Programming Languages
- C, C++, MATLAB/Simulink, MAPLE, MATHEMATICA, IBM-AML, Fortran.

Hardware
- SS-256 Sun-Sensor, Newport XPS-C8 Micro-controller, DBK-202 Data Acquisition board, and Newport Vibration Control System.

OS/Applications
- Windows (9X, NT, XP), UNIX/LINUX, MS Office Suite, Adobe Framemaker, DASYLab, LabVIEW, CATIA, and ANSYS.

Honors & Awards

Aerospace Engineering Graduate Student Research Excellence Award (2008)
Ryerson Graduate Scholarship - $7000 - (2005, 2006, 2007, 2008)
Ryerson Graduate Award - $4000 - (2005, 2006, 2007, 2008)
Ryerson International Student Graduate Scholarship - $7000 - (2006, 2007)
Dean’s List (2001-2002, 2003-2004) - Respected honorary recognition of outstanding academic achievement in the Faculty of Engineering and Sciences
Scholarship for Academic Excellence from the Department of Aerospace Engineering, Ryerson University (2000,2001,2002)
Professional member of American Institute of Aeronautics and Astronautics (AIAA), Student member of Institute of Electrical and Electronic Engineers (IEEE)

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