PROFESSIONAL SUMMARY

• Close to 4 years of insightful experience in Electrical Engineering focusing on transferring products from R&D to Manufacturing in factory automation and medical device domains.
• Over 3 years of Precision Motion Stages experience which includes repeatability, accuracy, interpolation, encoders, and resolution.
• Experience in performing new system setup to measure flatness, straightness, and accuracy.
• Expert in setting up and operating Laser Interferometers in position feedback mode for high resolution, non - contact sensing, high update rates and intrinsic accuracies of 0.01ppm.
• Hands on experience on working with vibration isolation systems.
• Experienced in designing PCB for low-speed signals with impedance matching and eliminating cross-talk between traces.
• Developed algorithms for autofocusing, image analysis, and data acquisition.
• Analyzed cyclical errors from digital optical encoders.

TECHNICAL SKILLS

Languages/Software: C, C++, JAVA, MATLAB, LabVIEW, Altium, AutoCAD, ALTERA, SOLIDWORKS.

Hardware Tools: Microchip, iC-Haus, TI LaunchPad, ARM Processors.

Operating Systems: Windows 7/10, UNIX (Solaris), Mac OS.

PROFESSIONAL WORK EXPERIENCE

Confidential, Norwood, MA

Senior Electrical Engineer

Roles & Responsibilities:

• Developed various high level and detailed architectures for the electronic and firmware subsystems.Completed detailed specifications, circuit designs and code structures, calculations, analyses, and simulations for major hardware and firmware components.Coordinated the fabrication and assembly of circuit board assemblies and other electrical sub-assemblies for conceptual models and prototypes.Prepared Engineering documentation
• Interfaced regularly with external suppliers and customers to identify and evaluate new technologies, components, and processes, or to troubleshoot problems with products.

Confidential

Electrical Engineer

Roles & Responsibilities:

• Established SPI communication between 8bit PIC Microcontroller and TMC-4361 to perform micro steps in stepper motors.
• Designed the circuit and laid out a four-layer Drive Amplifier PCB using Altium.
• Specified wire-to-board and board-to-board connectors and headers separate for power and signal.
• Performed various prototyping using bread boarding and bench testing.
• Electrical designs were carried out from inception to production which did include block diagrams, schematics, PCB layouts, BOM’s, wiring diagrams, assembly instructions and test procedures.
• Performed PID tuning on various linear motion stages and analyzing the shape, load disturbance, nonlinearity, noise and closed-loop performance.
• Performed gain scheduling on a system with variation in input speed.
• Improved linear system performance by using Black-Box linear approximation method.
• Performed interpolated motions on multi-axis systems.
• Calibrated limit sensors to have highly repeatable position references and prevent over travel.
• Worked on applications having move and settle times less than 10us, this is achieved by optimizing the bandwidth of servo tuning.
• Created LabVIEW GUI to receive pitch, roll, yaw, repeatability and accuracy data from the precision stages.
• Created system panel and cable drawings using AutoCAD.

Confidential, Charlton, MA

Roles & Responsibilities:

• Successfully laid out Single - Sided PCBs using OrCAD PCB and trouble-shooted boards using Oscilloscope and Nikon X-ray.
• Designed and executed various levels of testing and analysis on Printed Circuit Boards which includes individual component testing’s for manufacturability.
• Developed test fixture to hold the CMOS Imager Circuitry for X-ray analysis and to incorporate the Imager into the camera mount.
• Developed customized MATLAB GUI for focusing the camera automatically in the CMOS Imager Development.
• Performed root cause analysis for components returned from the field. The Root cause analysis including writing specific test protocols for each specific component.
• Worked with R&D in transferring CCD Imagers from Pilot to Manufacturing.
• Developing a turnkey Vision system and Lighting analysis (Imaging Technique) which inspects the quality and tolerance level of the welded links and rivets in Vertebrae Welding.
• Interfacedthe NPN XG-7502 vision controller with Ensemble Motion controller (Stepper Motor with linear encoder and worm-gear screw) consisting of 8 analog I/O’s and 36 digital I/O’s with a solid-state relay of 24V DC relay connecting a DC resistance welder (4000A, 9.9VDC, and 9.9KW)
• Implemented SC-22 safety relay (24 VDC) with an Infra-Red based two handed safety switch with anti-tie down feature and an emergency stop to shut down the entire system during an emergency condition.
• Developing custom designed motion control Graphical User Interface using MATLAB and LabVIEW tool boxes.
• Collected process data from DC Resistance Welder tabulated for feedback loop and statistical analysis using Win Wedge software.
• Participate in everyday Material Review Board meetings for doing engineering analysis on vendor components.
• Participated as Internal Auditor to perform audits within our facility to see whether the departments comply with QSR and ISO standards.

Co-op Electrical Engineer

Roles & Responsibilities:

• Developing Vision system algorithm using smart cameras to inspect the quality and tolerance level of the components in of links and rivets in Vertebrae Welding.
• Worked with Senior Engineer for developing an algorithm for manual masking of image and cluster detection using image processing toolbox in MATLAB.
• Developed and integrated light curtain sensor using class 2 laser beam to pinpoint the location of a moving fixture.
• Fabricated and assembled prototypes and components.
• Working closely with lab technicians on prototype builds and sourcing entities with BOM and part appropriations along with PCB board builds. Team member representing Manufacturing Engineering in the Material Review Board (MRB) for Receiving Inspection and Packaging lines.
• Participated in teams for continuous improvement, failure analysis, investigation of Non-Conforming products and product development.
• Performed Installation Qualification for the Tuning Fixture.
• Performed software Validation on ATE.
• Performed Vendor Audits with our Component’s supplier.
• Excellent knowledge of 5S, Lean Manufacturing and documentation procedure for Medical Devices Company.
• Trained on OSHA and Regulatory standard.