Arjun Venkatesh Email & Phone Number

Vancouver, Bc, Ca

South San Francisco, California, Us

Electrical design of three phase motor drives, batteries, and power distribution for Zipline’s Platform 2.

Cupertino, California, Us

Electrical design for a new product category at Apple: architecture definition, PCB schematic capture, board bring-up, integration, test, and debug.

Waltham, Ma, Us

Designed 3-phase motor drive (2.4kW peak, 1.2kW avg.) on Stretch; used in 6 actuators on robot.Reduced EMC pre-scan peaks by 15-20dB on all 17 Stretch motor drives through near field probing and circuit tuning.Designed stiffened flex to transmit actuator power and data through high-cycle, 350° range of motion dynamic joints.Designed ~45% of Stretch’s cable harnesses, selecting connectors, crimps, pinouts, shielding, impedance, cable grouping, dynamic or static ratings, and jacket material to maximize reliability, serviceability, and function.General EE support and firefighting: troubleshooting CAN buses, battery issues, motor drive faults, PCB failure analysis.

Waltham, Ma, Us

Foster City, California, Us

Led the validation of autonomous vehicle electronic control units (ECUs) by defining, developing, and executing experiments to test electrical performance, EMC, mechanical and climatic reliability, and functional performance.Worked with Tier 1 Suppliers and across teams (electrical, mechanical, firmware, reliability) to define product specifications, create design validation plans, and execute Design Failure Mode and Effect Analysis (DFMEA) for vehicle ECUs.

Foster City, California, Us

Developed vehicle emulator PCBAs (Altium) to mimic motor loads, LEDs, digital and analog I/O, and communications (CAN, LIN, I2C) as seen by ECUs on the vehicle. Used across multiple teams for hardware bring-up and data acquisition.Designed accompanying test harnesses (~130 to 160 wires each) to interface ECUs with vehicle emulator PCBAs and defined firmware requirements for ECU hardware test applications.Prototyped end-of-line testers to validate off-board and on-board high voltage charging interfaces and PCBAs for novel under-body electric vehicle charging system. Tier 1 supplier to integrate this design into their production line.Designed a modular, liquid-cooled thermal test infrastructure capable of simultaneously power cycling up to 64 individual lithium ion battery cells at varying temperatures and charge/discharge rates.

Austin, Texas, Us

Main Project:Guided specification of thermal insulators for next generation energy storage products by designing and building a thermal characterization apparatus capable of accurately determining thermal conductivity of insulating materials at up to 900 degrees C.Took project from concept to results in 3 months, including electro-mechanical systems design, thermodynamic design, controls integration, machining, testing, troubleshooting, validation, data collection, and extensive data processing in MATLAB.Concurrent projects:Deciphered unreadable accelerometer data by designing a Kaiser Window finite impulse response (FIR) low-pass filter in MATLAB. Validated filter accuracy using high speed camera and position tracking.Instrumented high voltage battery modules with temperature probes, pressure transducers, and accelerometers for data acquisition.Conducted full pack level thermal runaway testing and mechanical abuse testing on various Tesla battery products.

Hannover, Niedersachsen, De

Delivered results for experimental laser manufacturing R&D projects (two publications) by planning experiments, designing custom opto-mechanical components for precision laser systems, tuning control systems, fabricating prototypes, and interpreting data.Accelerated data collection by automating various laser welding tests using control macros for a 3 kW laser and Kuka robot. Specified optical components (achromatic lenses, beamsplitting mirror) and geometrical configuration of a laser head to deliver 1080 nm laser radiation while simultaneously measuring radiation in 1.4 to 1.8 μm range with a pyrometer.Projects:* Transmission laser bonding of RFID chips (Publication, 2nd Author).* Laser assisted ultrasonic copper wire bonding (Publication, 7th Author).* Laser preconditioning of copper surfaces to improve laser weld efficiency.* Stabilization of copper welds using active laser control (PID, Fuzzy Logic).* Robotic laser deflagration of unexploded WWII bombs.

Edmonton, Alberta, Ca

Responsible for electrical site instruction markups for various projects; modeled power flow schematics in AutoCAD.

Edmonton, Ab, Ca

Sized circuit breakers and conductor gauges for single and three phase power systems; drafted lighting and power layouts.

Bachelor Of Applied Science - Basc, Engineering Physics (Distinction)

Diploma, New Westminster Secondary School