• Lead Battery electronics module release from design to production• Close work with Design engineers to ensure robust technical solutions are developed and released for each hardware/ software design change• Actively technically support in the projects involve battery electronics module• Work with Supplier Program Manager in execution and leadership of Battery Controller Product Development Team (PDT), and to give direction on design and production change. • Support plant when coming across module issue and give root cause direction• Execute root cause and problem resolution of vehicle or component development or validation issues.• Work with component validation engineer to develop and approve component validation plan and review validation results.• Implement the BOM and Reuse Strategy.• Set priority and urgency for Engineering Work Orders, Problem Resolution, and Development / Validation Plans.•Meet the program management team to make sure successful deliverables and imperatives and present 5 phase when needed•Execute warranty reduction efforts on current product programs.• Support DRBTR, DFMEA

• Hardware in-the-loop system modeling for Fault Injection Testing Lead HIL model design for FIT (Fault injection testing) on CAN/LIN/Flexrey/FrontObject/Powertrain Extension/Sensor bu on dSPACE system (MicroAutobox, DS1401, DS1511, DS1512, and DS1006). Program elaborate Error Handling Scheme (Checksum, Protection Value, CRC, MAC on corrupted signal)• Proficient in the use of Matlab, Simulink, Control Desk, DSpace ASM• Proficient in the use of CAN tools (CaNoE, Vehicle Spy, Vbox,)• Functional safety testing and validation on multiple safety critical features on electrical system benches Feature includes: ETRS (Electronic Transmission Range Selector), Electrical Braking control, LSCMB(Low-Speed Collision Mitigation Braking), LKA(Lane Keep Assist), LCC(Lane Centering Control) Implement DFMEA into validation process to address design failure earlier Create test procedures from safety requirements, manage and execute test plan to satisfy appropriate failsafe actions per assigned ASIL safety level of feature• Own PRTS(Problem Resolution Tracking System) to solve and find solution• Performing hardware tests using multiple tools such as oscilloscope, power source, power analyzer, breakout box, etc.• Test Automation: ATTS(Automation Test Script) tool (Python)

o Powertrain testing of electric scooter /motorcycleDeveloped and updated a LabVIEW based automation test scripts for the dyno system (including DAQ systems, power source, electric load bank, torque measurements, CAN communication, motor controller, etc.) for 5 kW PMSM electric motor testing. Developed LabVIEW control interface includes speed and torque control algorithm, battery cycling, thermal test, data logging, PID control, signal processing, automated motor efficiency test.o CAN communication analysisBuilt CAN database file, set up system configuration files and OBD II by using Vector CAN toolsets. Perform data logging, data analysis, send control commands for vehicle automated drive cycle test, vehicle coast down test, vehicle acceleration test, cruise control tests, drivetrain power module thermal test and battery management system tests.o Circuit board testingWork with power electronics engineers to test on both logic control boards and high power density three-phase inverter boards. Use general and specialized tools (oscilloscope, multimeter, LCR meter, various types of current transducers/voltage probes) for circuit board troubleshooting and debugging. Test and validate step-up/down DC/DC converters, linear voltage regulators, and inverters.o Test plan designResponsible for design of electric powertrain durability test, coast down test, motor efficiency test, battery cycling test, circuit breaker/ DCDC converter test and thermal test.o Vehicle and powertrain simulationResponsible for design of vehicle road load and electric powertrain model in MATLAB/Simulink and simulate powertrain range test for standard EPA drive cycles such as WMTC and US06.o Vehicle Harness wiringResponsible for building the prototype vehicle wire harnesses which integrates powertrain module, auxiliary 12V system, battery management system, and battery charger together.

1, Researched on Battery modeling, diagnostic and characteristicsTesting NCM Li-ion 3.7v 42Ah battery cell/pack parameters for department of energy (DoE)2, Thesis Project: Uniformity of conductance in lithium battery’s separator used for HEV & EV.  Built a symmetrical conductance cell and measured impedance using Electrical Impedance Spectroscopy (EIS) measure commercial Li-ion battery separator impedance Applied the experimental results to a constant phase element (CPE) model and analyzed it by Monte Carlo Method to find out the overcharging and short circuit inside battery cell and the way to prevent it.

ECE 311: Electronic Circuit Teaching assisting and student tutoring on homework and quiz