Ray Fellows Email & Phone Number

Dallas-Fort Worth Metroplex

Fort Worth, Texas, United States

Test and repair various analog and power electronics systems that are directly related to nuclear safety, to include power supplies, inverters, battery chargers, and various signal conditioning and processing systems.Develop detailed test procedures / documents for the functional testing of the specimen as well as the replacement components required for the repair. Provide detailed circuit analysis and operation justification to be documented. Perform functional testing to generate documentation necessary for technicians to perform inspections, troubleshooting, and repair of a wide variety of analog and power electronics systems.Create project documentation including acceptance test procedures, repair reports and technical memos for various electronics systems with and without any technical documentation or specifications available.Translate technical aspects and requirements into formal documentation.Generate equivalency evaluations for comparison of replacement components after repairs/refurbishments.Create Dedication/Qualification paperwork of commercially available components for safety related applications in nuclear utilities.Analyze circuitry to be able to determine theory of operation and define operating parameters.Evaluate components for the impact to for form, fit, function and environmental qualification requirements.Design/Develop test benches for testing.Perform failure analysis of various components and recommend solutions.Use assorted electronics lab test equipment to perform troubleshooting down to the component level.Communicate with suppliers to resolve non-conforming purchase order requirements and materials.

Arlington, Texas, United States

Redesigned & updated the Bell 429 Aircraft Data Interface Unit (ADIU) Test Bench and Generic Flight Control Computer (GFCC) Test Bench and created a new ITA for ATP. Provided a clean sheet design that would be backwards compatible with previous generation test scripts. Provided technical oversight of bench wiring, signal conditioning, and end to end wiring verification. Ensured proper voltages and grounds at initial bring up and provided troubleshooting for test/verification of scripting environment. Deployed test benches on site, installed, and verified proper operation before turning over custody to the Commercial Business Unit.Designed 0 to 28VDC PWM signal conditioning circuit to interface National Instruments 0-5VDC PWM output to GFCC 0-28VDC PWM input. Developed a prototype, tested, and deployed the circuit. Developed a test philosophy to test signal conditioning PCB's. Conducted initial board bring up and tested 12 signal conditioning PCB's and documented test results. Identified design flaws and incorporated updates to align circuit performance with circuit definition.Authored actuator test fixture initial rigging documentation for the Bell 360 Invictus Main Rotor Actuator, Tail Rotor Actuator, and Horizontal Stabilizer Actuator located in the Systems Integration Lab Designed the Hydraulic Aircraft and Load System Instrumentation for the Bell 360 Invictus SIL.

Grand Prairie, Texas, United States

Test Engineer for PAC3 CLS LINK on ELES(LoE) Facilitization. Updated test description documents, operating instructions, and installation procedures.Supported test program reviews, Peer Reviews, Code Reviews, Design Assurance Reviews and Pre/Post Dry-Runs.Obtained a Secret Clearance.

Dallas, Texas, United States

Dallas, Texas, United States

Hand build, test, document, and deploy Texas Instrument’s S408 Third Generation Parametric Tester for the Dallas Characterization Lab and internal to the Test Technology Group. This includes physically constructing the testers’ chassis, installing all subassemblies, wiring, writing test software in C while in the Linux operating system, and generating a user’s guide which included testing and troubleshooting sections. Test and correlate data for automated functionality and leakage software package to expedite test time. Develop a method to rapidly plot all leakage data on a single graph to visualize leakage performance and reduce time to analyze data. Reverse engineered a stepper motor drive control circuit to integrate a higher resolution step count motor to replace the existing solution. Read inputs from the tester into a microcontroller and interpreted those commands into the new step count. Tested, repaired, and qualified numerous printed circuit boards to ensure compliance.Pair with engineering in C-Lab and PCB group to devise a new approach to high voltage testing safety interlocks. Develop a new constant interlock monitor system to interface with all existing TI testers. Patent is currently in internal review phase.

Arlington, Texas, United States

Provide operational support of system integration labs for both the 525 Relentless and V-280 Valor aircraft, to include day to day operations, maintenance, configuration management and support of systems. Support testing, modifications and troubleshooting of electrical, avionic, flight control, cock pit and hydraulic rigs/test benches.Provide on the spot troubleshooting of lab equipment under high pressure situations and deadlines. Conduct daily inspections of lab aircraft and load hydraulic systems to ensure available functionality.Review previous documentation and drawings to remedy discrepancies and update hardware and wiring accordingly. Develop, compose, debug and execute acceptance test procedures in National Instruments Test Stand. Generate lab drawings utilizing AutoCAD and Microsoft Visio, while also supervising the labor of technicians. Improve time to update and generate SIL drawings to support aircraft avionics and electrical designs, modifications, and updates.Preform ongoing system modifications and kit integration tasks to keep labs operational and running efficiently for flight controls, avionics, and electrical test teams. Provide guidance for forthcoming system integration labs. Provide proposals for floor space requirements, electrical loads, and aid in development of system architecture.

Saint Rose, Louisiana, United States

Design control systems for maritime vessels, to include: monitoring and alarm systems, propulsion control systems, tank levels, engine order telegraphs, and tachometer systems. Systems typically are redundant and contain power supplies, ABT's, I/O Panels, HMI panels, control stations, and audible and visual indicators. Systems interface with other vendor's systems, usually through communication protocols, such as RS-485, RS-422, RS-232, Ethernet, NMEA 0183, & NMEA 2000.Develop quotations based on specifications provided by the customer and manage the project from inception to completion by coordinating with the sales engineer and customer. Travel to customer's vessel to perform an initial survey to aid in the quotation process.Research and develop new subsystem components while also continuing to improve existing components. Prototype products on breadboards and protoboards. Design PCB's and generate layouts and Gerber files for submittal to board house for production run. Hand populate and solder blank PCB's with either through hole or SMD components. Develop test procedures to validate the new design and document the performance of the new product. Release the new product to production for inclusion in system level designs. Designed subsystem components utilizing embedded micro-controllers. Designs included 8, 16, and 32 bit MCU's from Atmel, PIC, Arduino, and Cyprus. Aurthored firmware, test and debugged firmware, and released designs for production. Incorporated reverse polarity protection in designs. Also preformed analog circuit design to condition signals to and from MCUs. Designed MCU power supply circuitry, typically with DC/DC converters. Generate system level drawings using AutoCAD and system component level drawings with OrCAD or Eagle. Create BOM's and find sources for parts for new production items. Also repair existing PCB's and redesign and retrofit PCB due to obsolete parts.

Metairie, Louisiana, United States

Plan and conduct independent work requiring judgment in the evaluation, selection, application and adaptation of engineering techniques, procedures and criteria. Devise new approaches to problems, and prepare or modify drawings, specifications, calculations, charts and graphs, and monitor work for compliance to applicable codes, accepted engineering practices. Regularly interface with other departments, clients, vendors, and project engineers to support project production, design specification approval, project scope alignment and resolve inter-discipline conflicts. Perform Instrumentation design and analysis calculations using governing codes and standards, engineering formulas, skills, and experience as assigned. Carry out engineering in accordance with the design basis and project Process and Instrumentation Diagrams (P&IDs). Review and reference applicable core Instrumentation specifications, (ex. control systems, safety systems, SCADA system, PLC’s, analyzers, fire and gas detection equipment, transmitters, etc.) department procedures and required codes and standards as applicable to the project. Layout and details portions of projects using schematic layout by project lead engineer.Provide drawing for own designs and produce sketches to incorporate in drawings by Designers/Drafters. Research design options and document findings for project lead engineer. Complete each deliverable on time and as per the project schedule. Coordinate with the Senior Instrumentation Engineer on checking of deliverable's. Use computer-assisted engineering and design software and equipment to prepare engineering design documents. Organize, draft, and coordinate technical documents. Coordinate work with other disciplines such as mechanical, process, etc. Direct and supervise other Designers/Drafters activities.

New Orleans, Louisiana, United States

Repaired over 300 different Navy and Marine Corps Avionics Support Equipment assets to the component level within or before prescribed deadlines. This involved reading schematics to troubleshoot single sided, multilayer, and surface mount boards that compose complex electronic systems. Also have experience repairing pnuematic and hydraulic systems. Upon completion of repair, each item was calibrated first, by me, and then by an external company. Was considered a "go to" technician to assist others who were having trouble reparing items. Provided field team maintenance for NAS Belle Chasse's Liquid Oxygen Farm, Valve Housing Bench, Test Cell, and Paint and Blast Booths.Was a member of the safety committie. Monitored the shop for compliance with the Naval Aviation Maintenance Program, local company policies, and OSHA standards. Conducted audits to ensure proper operation of all programs. Led the FOD program, to include weekly FOD walkdowns and spot checks of individual employees. Was the head trainning coordinator. Provided annual and new hire training for all employees, as well as, all holiday training.Assisted in logistics by providing references for countless parts that could not be found elsewhere.

Repaired communication and navigation avionic equipment to the component level. Including Survival, HF, VHF, and UHF radios, Radar Altimeters, Color Weather Radar, IFF, ICS, GPS, ADF, and antennas. Obtained a secret clearance to repair encrypted radios and navigation equipment. Established a new testing procedure for the AN/ARC-94 and AN/ARC-102 HF Radios. Assisted other commands in repair of their com/nav equipment. Trained incoming Marines in shop policies and procedures. Served as the production supervisor for the work center. Supervised over 20 technicians on a daily basis to ensure repairs were completed in an expeditious manor. Reconciled all problematic parts with supply department on a weekly basis. As a CDI, verified all equipment repaired complied with specifications. As a Sergeant, scheduled all physical training, rifle ranges, gas chamber, and BST testing. Evaluated junior Marines and counseled them on their performance.

Bachelor'S Degree, Electrical And Electronics Engineering

Aircraft Cryptographic Systems Technician

Aircraft Communications Equipment Intermediate Maintenance

Avionics Common Core & Intermediate Level Aviation Technician

Education record