Electrical Engineer Design

Raffi A. Ekizian

Cell 626-***-****

*********@*****.***

SKILLS SUMMARY:

Project Management from concept to production

State of the art Analog/Digital/Power and Embedded circuit design

Hardware Platforms: 8051 Family, 80C196x Family, 68xxx, Infineon C505, C167CR, TI DSP24x, TI DSP240x, TI DSP 281x, Motorola 32-bit Family of Micro-Controllers (MPC55x and MPC555x Family).

Hardware/Simulation Tools: OrCad, DxDesigner, Altium Designer, LTspice, PSpice, Matlab/Simulink, MathCAD, LabVIEW, Altera Quartus II, VHDL and Synopsis SABER simulation

Serial Communication: CAN (Controller Area Network), IEEE-1394, ARINC-429, MIL-STD-1553, DeviceNet, USB, National Instruments Data Acquisition Systems, Industrial Controls, open/closed loop control.

Motion Controllers/Amplifiers/AC Synchronous, DC, BLDC, PMSM and Stepper Motors

Motion Control Algorithm: Field Oriented Control (FOC), Sensorless Speed Motor Control, Space Vector PWM

High Power Active Power Conversion

oAC/DC inverter : 3-Phase 3-Level Active Full Bridge Rectifier - input: 3-phase 400VAC L-L, output 450 – 750VDC @ 22KW

oDC/DC Converter : Bidirectional Resonant Dual Active Bridge – input upto 750VDC, Output 450 - 750VDC @ 22KW

o Phase-Shifted full Bridge DC-DC Converter – input 450 – 750VDC, nominal output 24VDC @ 270A

Knowledge of DO-254, MIL-STD-160, MIL-STD-461, MIL-STD-810 and Airbus AMD-24C

New Product Proposals, Hardware and Software Specifications, Test Procedures, final product documentation, Requirements traceability (DOORS).

VHDL programming and FPGA tools (Xilinx/Altera toolchains)

EXPERIENCE:

Jet Propulsion Lab. (JPL) – Feb. 2018 - Current

Sr. Electrical Eng. – Contractor

Decoupled Range and Orientation Sensing in Long-Range Magnetoquasistatic Positioning

Designed a 3-axes Antenna and driving circuit

Designed ATMEL microcontroller board/C-programming for the Tx antenna Feedback Current Stability for constant field Generation (PID closed loop system)

Matlab/Simulink simulation to Adjust the initial PID parameters

Designed the receiver board that included Front end Pickup Antenna, differential amplifier, 6-stage Band-pass filter, 16-bit ADC, TI Piccolo microcontroller TMS320F28035

Wavestream Corp, San Dimas, CA - Oct 2014 – Jan. 2018

Principal Design Engineer (Power supply and Controls)

Design and qualification of new RF Amplifier (Ka and Ku Band) Monitoring and Control hardware

Design and qualification of AC/DC, DC/DC power supplies for RF Amplifiers

Designed various power levels DC-DC converters up to 1.5KW (High efficiency ZVS controller, Planar Transformer)

EMI/EMC qualification support for aerospace applications

Lead various design efforts

Perform system verification and trouble-shooting of new products

Support production testing and trouble-shooting needs

Ensures that the highest quality standards are being followed throughout the design cycle

Develop RTCA/DO-254 process documentation and standard operating procedures

Hold and attend various meetings to lead and provide effective communication

Meggitt Aerospace, Corona, CA - April 2010 – Sept. 2014

Controls and Embedded Systems Manager

Managed a Group of Eleven Engineers (EE’s, Reliability Engineers, PCB Layout, System Engineer) for the Embraer legacy 550 Pneumatic System Controller (PSC) and various Fan Controllers

Provided technical guidance to the electrical design team on product development for aircraft control equipment from inception to production

Design to meet DO-254 DAL level A and DO-160F

Managed all electrical activities and administering annual reviews for the electrical engineering team

Review customer specifications and writing technical proposals for various projects

Interfacing with program management to meet customer schedule and budget

Participate in presentation for PDR and CDR

Managed - Component Reliability Prediction, Failure Mode and Effects Analysis, Fault Tree Analysis

Provided PCB layout instructions for signal conditioning

Hardware Verification Documents (PHAC, Electronics Controller Requirement Specification (ECRS), ATP, QTP, Firmware Requirements Specification (FRS) for PLDs classified as complex devices per DO-254, Hardware accomplishment Summery (HWAS)

Matlab/Simulink Simulation of high Power PMSM motor

Eaton Aerospace, Los Angeles, CA - Sept. 2006- March 2010

Sr. Project Engineer

New product proposals – Nose Wheel steering for Gulfstream G650 and Embraer 550

Architected and Designed a Modular approach for the Nose-Wheel-Steering control units

Managed a group of eight engineers with product Development/Verification/Qualification (DO-254, DO-178B, MIL-STD-160, FMEA, Reliability Parts Predications, Fault Tree Analysis)

Crane Aerospace (Hydro-Aire Division), Burbank, CA - Nov. 2001- August 2006

1- Manager, Engineering Hardware Design and Verification.

Product design and development that met all customer specifications and company requirements for schedule, cost, reducibility and reliability.

Managed a staff group consisting of 15 Engineers (EE’s, ME’s, PCB Layout, Reliability Engineers)

Interfaced with project management for work over several major projects with accountability for design criteria and concepts, planning, scheduling, cost estimating and control, and coordinated all activities related to design, development, test and follow-up of the projects

Exercised good judgment in customer relations, schedules, costs, and employee motivation.

2- Principal Electrical Engineer

Principal Electrical Engineer for Brake Control Unit for the following projects: Joint Strike Fighter (JSF), X-45, Boeing 787 and Airbus A400M.

Architected and Designed a Modular approach for the Brake control unit which includes:

TI DSP 2812 Module, which includes RAM, EEPROM, Serial Interfaces (SPI SCI CAN) IEEE-1394b, A/D, PWM and DIO.

Wheel Speed Transducers, Valve drivers, Pressure Transducer, LVDT Brake Pedal Transducer.

Brooks Automation (Formerly Irvine Optical Corp.), Burbank, CA - Feb. 2000 – Oct. 2001

Principal Electrical Design Engineer

Designed a 4-axis DC Brushless Motor Controller/Amplifier using the PMD chip set

Designed and Developed 16-Bit Micro controller that included 10-BaseT Ethernet Controller, USB controller, Dual serial Ports, External Flash/ SRAM Memory and I/O.

Designed a Multiple axes standalone Controller/AMP that included various communication ports, such as Ethernet, CAN (DeviceNet), RS232/422/485, Universal Serial Bus (USB).

Provided all Design Documentation, including B.O.M, User’s Manual, Schematics, Gerber files, and Mechanical drawings and parts procurement for alpha units.

ASML (Formerly Silicon Valley Group, Track Division); San Jose, CA April 1996 – Dec. 1999

Electrical Engineering Manager (12/1997 – 12/ 1999)

Managed all technical design and development of projects for electronic equipment and other hardware systems.

Lead evaluations of electronic parts, components, and integrated circuitry.

Lead process definition and design ensuring smooth hand off to manufacturing.

Met all technical milestones and objectives by completing projects in a timely manner.

Lead post-mortem analysis of completed projects along with recommendations for future projects.

Principal Electrical Engineer (4/1996 – 11/1997)

Specified and designed 80196CB based controller boards; including hardware, firmware, and diagnostics.

Developed boot up, test and active burn-in code for 80C196CB micro controller.

Designed a 4-axes DC Brushless motor board using the PMD chip set “PMD1401” that is controlled by the 80C196CB micro-controller.

Designed and implemented a closed-loop control system (PID) for a Chill plate that included Thermo-Electric Coolers, Power supply, and RTD.

Designed a Wafer/Robot centering scheme within 100 m that included a four quadrant detector, and a fiber Coupled diode laser

AG Associates, Rapid Thermal Processing; San Jose, CA. April 1995 - April 1996

Senior Electrical Engineer

Worked with the company’s Scientist in the R&D department to develop the next generation of Rapid Thermal Processing Capital Equipment. Designed, modeled, and developed the Signal Processing circuitry to process the temperature measurement

The design included, Pyrometer, Optical path from the wafer to the detector, and a dual phase Lock- in amplifier.

Used LabVIEW for data acquisition and Matlab for modeling algorithms in Adaptive Signal Processing, and for data analysis/reduction.

Sunrise Technologies, Medical/Dental Lasers; Fremont, CA. October 1991 - April 1995

Senior Analog/Digital Engineer

Designed and developed microcontroller (87C550) controlled Solid State Dental/Surgical Lasers.

Designed the laser’s (Nd:YAG @1064 nm) 600W Switch Mode Power Supply, Pulse Forming Network, Resonator, laser cavity, closed-loop system for laser output power stability within 10% of the requested power.

Worked with CSA, TUV, and ETL agencies. Reduced EMI/RFI noise interference making it possible for products to pass CE standards for the European markets.

Designed and developed microcontroller (80C515) based Sand-Blaster - intended to be used by Dentist in the preparation of cavities for bonded restorations.

Velonex Inc., Surge/EMI test equipment; Santa Clara, CA. September 1987 - October1991

Staff Electrical Engineer

Designed and developed microcontroller-based capital EMI test equipment to accommodate different standards and guidelines provided by IEEE and IEC.

Full development lifecycle including design, schematic, packaging, test procedures and technical documentation.

EDUCATION:

MSEE - San Jose State University, 1997

Attend various Leadership Programs

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