Model Based Control/ Systems Design Engineer (PhD)
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  Dr. Delano Carter
17815 North 57th Avenue
Glendale, AZ  85308-1203
US
  Daytime: 623-297-1144
Evening: 602-978-6543
Fax: 602-978-6543
Mobile: 623-297-1144
delano.carter@thearality.com
www.thearality.com
       
  Model Based Control/ Systems Design Engineer (PhD) 
 
 
     
  TARGET PROJECT:  
  Computer-aided control systems synthesis, analysis and design. Systems may be multiple input, multiple output, continuous or discrete-time, linear or nonlinear, lumped or distributed parameter. Classical and modern (Hinfinity, adaptive, Mu) controller synthesis techniques. Areas of application include vibration management and suppression, pointing and tracking, disturbance rejection, modal control, imbalance compensation, regulation, motion control, motor commutation, flexible body control, and other electromechanical systems. Design tools include Matlab/ Simulink and Mathematica.  
  SALARY:  
      $ --per hour  
  HOURS:  
      55 hours per week  
  PROJECT LENGTH:  
      -- week(s)  
  SITE:  
      --  
     
  TARGET COMPANY:   
  A performance oriented company that understands their current position in their industry/ marketplace, has formulated a plan of action to ensure a leadership position in their industry/ marketplace into the future, and is actively pursuing the implementation of the plan of action. Seeking an open, stimulating, collaborative, knowledge and experience based work environment where meeting or exceeding the team and customer requirements are a key measure of effectiveness.  
  SIZE:  
      -- to -- employees  
  INDUSTRY:  
      No Preference.  
     
  TARGET LOCATIONS:  
  US  
   
EXPERIENCE
7/9/00 to Present
Thearality, Inc
Glendale, AZ
Control/ Systems Engineer
Model-based systems and controls design engineering for hybrid-time, lumped or distributed-parameter systems in the areas of flexible body dynamics, vibration management, mechanical & optical precision pointing systems, and smart structures.
2/1/99 to 7/8/00
The Boeing Company
Canoga Park, CA
Control Engineer
International Space Station, Beta Gimbal Assembly, Electronic Control Unit (ECU) troubleshooting and repair including firmware and electronics for torque motor control and motor commutation. ECU system level modeling and analysis. Led technical manual development. Developed an integrated, high fidelity Electronic Control Unit/ Beta Gimbal Assembly/ Flexible Solar Array systems simulation. Analysis and prediction of controls/ structure interaction effects and system level performance for off-nominal scenarios. Synthesis of contingency controllers for off-nominal on-orbit modal variations. Development of flexible link space robot manipulator mathematical models for precision pointing controls development and integration into full-up spacecraft system model.
4/1/98 to 2/1/99
Honeywell
Glendale, AZ
Technical Director
Led the systems engineering effort for an SBL actuator/ isolator. This included the development and preparation of trade studies in the areas of configuration, power, weight, size, performance and cost.
6/1/96 to 3/1/98
TASC
Chandler, AZ
Orbital Control Engineer
IRIDIUM space vehicle environment, actuation, sensing, and multi-body dynamics modeling validation and verification. Also, responsible for interface electronics validation, ACS/ OCS hardware-in-the-loop test result analysis and reconciliation, as well as observer dynamics performance verification.
9/2/94 to 5/1/96
Honeywell
Glendale, AZ
System/ Control Engineer
Synthesized a precision optical bench controls architecture to provide simultaneous optical payload steering, active suppression of optical payload attached disturbances such as those emanating from cryocoolers, and hybrid isolation of optical payload from spacecraft bus borne disturbances.
9/1/94 to 2/1/95
Honeywell
Glendale, AZ
Control Engineer
Performed structural damping robust performance analysis for a tuned mass damper device interacting with a low structurally damped flexible mast in the space environment.
8/21/92 to 5/15/98
Arizona State University
Tempe, AZ
Graduate Student
Researched, developed and proved a technique for deriving implementable, near-optimal, direct sampled-data controllers for multiple-input/ multiple-output distributed-parameter systems.
2/1/92 to 7/1/94
Honeywell
Glendale, AZ
Control/ Systems Engineer
Performed system architecture trades and system modeling and control including gyrodynamics. Patent pending for innovative control architecture that permits requisite MAGCMG torque generation while maintaining nominal magnetic actuator gaps and vibration isolation in 6 DOF. Developed electronic circuitry that permitted the gap observed by the magnetic actuator to be ascertained based on the actuator’s self-inductance. Also examined ways of reducing actuator-induced vibration disturbances.
7/1/91 to 3/1/93
Honeywell
Glendale, AZ
Electrical/ Control Engineer
Developed, modeled, and tested electronic control circuitry which provided position and rate control for the ISS solar array Alpha Joint motor during test. This circuitry included digital motor commutation for the brushless DC motor. 
6/1/90 to 4/1/91
Honeywell
Glendale, AZ
Dynamics Engineer
Control moment gyroscope rotor spin bearing mechanical dynamics modeling and simulation for retainer stability criteria and to analyze which factors may contribute to extending the bearing's life. 
2/1/89 to 12/1/91
Honeywell
Glendale, AZ
Simulation/ Control Engineer
Developed a MIMO, hybrid-time, active structural dynamics controller for a flexible space telescope using the high authority/ law authority (HAC/ LAC) control approach. The HAC portion of the controller was synthesized using the H-infinty control methodology and implemented digitally. The LAC portion was implemented analog. The actuators consisted of eighteen proof-mass actuators. Eighteen collocated accelerometers were used as sensors for feedback.
11/1/87 to 9/1/88
Honeywell
Glendale, AZ
Control Engineer
Discrete-time control of antennae pointing gimbals for jitter reduction and accuracy analysis. Derived methods of utilizing digital torque motor commutation for ripple and cogging mitigation.
3/1/86 to 5/1/87
Honeywell
Glendale,AZ
Control Engineer
Control moment gyroscope & reaction wheel modeling and simulation for stability and performance analysis as well as system sizing and requirements validation. 
1/20/86 to 12/7/88
Honeywell
Glendale, AZ
Control Engineer
Participated in the development of a six degree-of-freedom hexapod pointing mount including mathematical modeling, controls synthesis, computer simulation, hardware integration and test. The pointing mount consisted of an active vibration isolation system utilizing a dual-mode approach that combined magnetic actuators with linear actuators. The laboratory environment included a forward body zero-g suspension system and aft body controls, all of which were modeled and simulated.

 
EDUCATION
05/98
Arizona State University
Tempe, Arizona  USA 
PhD. - Electrical Engineering
12/92
Arizona State University
Tempe, Arizona  USA 
Masters - Electrical Engineering
12/85
South Dakota School of Mines & Technology
Rapid City, South Dakota  USA 
B.A. / B.S. - Electrical Engineering

 
SKILLS
Skill Name Level
Experience
Date Last Used
time management Expert
15 yrs.
Currently used
inter-personal relationships Expert
15 yrs.
Currently used
adept problem solver Expert
15 yrs.
Currently used
good listening habits Expert
15 yrs.
Currently used
control system stability analysis Expert
13 yrs.
Currently used
electrical circuit analysis Expert
13 yrs.
Currently used
control system synthesis and analysis Expert
12 yrs.
Currently used
modeling & simulation Expert
12 yrs.
Currently used
classical control design Expert
12 yrs.
Currently used
rigid body dynamics modeling and simulation Expert
12 yrs.
Currently used
model based controls design Expert
12 yrs.
Currently used
digital control design Expert
10 yrs.
Currently used
real-time controller requirememts specification Expert
10 yrs.
Currently used
integrated, high-fidelity modeling and simulation Expert
10 yrs.
Currently used
precision pointing system design Expert
10 yrs.
Currently used
motion control system design & analysis Expert
10 yrs.
Currently used
multi-DOF systems modeling & control Expert
10 yrs.
Currently used
multi-body systems modeling and control Expert
10 yrs.
Currently used
presentations Intermediate
10 yrs.
Currently used
lab equipment operation and programming Intermediate
10 yrs.
Currently used
performance metric achieving controller synthesis Expert
10 yrs.
Currently used
quaternion algebra application Expert
10 yrs.
Currently used
MIMO frequency domain controls design Expert
10 yrs.
Currently used
integrated structure/ optics/ thermal modeling & sim Expert
9 yrs.
Currently used
vibration management Expert
9 yrs.
Currently used
controls/ structure interaction analysis Expert
9 yrs.
Currently used
electromechanical system synthesis Intermediate
8 yrs.
Currently used
robust cobtrol system synthesis Expert
8 yrs.
Currently used
structural dynamics control synthesis Expert
8 yrs.
Currently used
flexible body dynamics modeling & simulation Intermediate
8 yrs.
Currently used
stabilazation system design Expert
8 yrs.
< 1 year ago
indirect sampled-data control system synthesis Expert
8 yrs.
Currently used
Matlab/ Simulink Expert
7 yrs.
Currently used
distributed parameter system moeling and control Expert
7 yrs.
Currently used
sensor selection & requirements definition Expert
7 yrs.
Currently used
actuator selection and requirements definition Expert
7 yrs.
Currently used
infinite-dimensional system control synthesis Expert
7 yrs.
Currently used
structural flexibility control Expert
7 yrs.
Currently used
isolation system design Expert
7 yrs.
Currently used
hardware-in-the-loop testing Intermediate
7 yrs.
1 to 2 years ago
MATRIXx/ SystemBuild Intermediate
6 yrs.
3 to 4 years ago
real-time control processor requirement definitio Intermediate
6 yrs.
Currently used
model based systems engineering Expert
6 yrs.
Currently used
MS Office Suite Intermediate
6 yrs.
Currently used
motor controller synthesis Intermediate
5 yrs.
< 1 year ago
modern control design Expert
5 yrs.
Currently used
digital signal processing Intermediate
5 yrs.
Currently used
electrical circuit design Intermediate
5 yrs.
3 to 4 years ago
Mathematica Intermediate
5 yrs.
Currently used
cost account managemant Intermediate
5 yrs.
1 to 2 years ago
near optimal controller synthesis Expert
5 yrs.
Currently used
direct sampled-data control system synthesis Expert
4 yrs.
Currently used
nonlinear control system synthesis Intermediate
4 yrs.
1 to 2 years ago
FORTRAN programming Intermediate
4 yrs.
> 4 years ago
advanced mathematical analysis and application Intermediate
4 yrs.
Currently used
Hinfinity control synthesis Expert
4 yrs.
Currently used
magnetic actuator control system design Expert
4 yrs.
> 4 years ago
C programming Intermediate
3 yrs.
Currently used
orbital dynamics modeling and simulation Intermediate
3 yrs.
3 to 4 years ago
satellite attitude control Intermediate
3 yrs.
3 to 4 years ago
smart structure design Intermediate
3 yrs.
3 to 4 years ago
adaptive control system synthesis Intermediate
2 yrs.
Currently used
LISP programming Intermediate
2 yrs.
> 4 years ago
satellite orbit control Intermediate
2 yrs.
3 to 4 years ago
flexible link robot manipulator modeling Intermediate
2 yrs.
Currently used
active/ pasive acoustic control Beginner
1 yrs.
> 4 years ago
control moment gyroscope array control Beginner
1 yrs.
1 to 2 years ago
momentum control system design Beginner
1 yrs.
1 to 2 years ago

 
MEMBERSHIPS
4/1/94 to Present
Amer. Institute of Aeronautics and Astronautics
Member
6/1/92 to Present
The International Society for Optical Engineering
Member
1/6/90 to Present
Institute of Electrical and Electronics Engineers
Member
4/1/85 to Present
Tau Beta Pi
Member

 
 
 
 
 
 
 
 
 
 
 

 

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