CAN bus expert | CANbus Academy

Key Projects:

Technical Leadership

Electrical Tech Lead for Caterpillar’s Tier4f Asphalt Pavers. Designed machine electrical system and led design team.

Hybrid Powertrain

Architected Battery Management System software and component integration on Prototype Hybrid excavator

Software Development

Authored production software for Caterpillar’s mining trucks and excavators.

Advanced Engineering

Rapid prototyping of leading-edge technologies years before reaching production.

Component Integration

Electrical air conditional compressor for Caterpillar D7e hybrid machine.

Systems Engineering

Field-follow fleet of test trucks with experimental electrical system. Department of Energy sponsored MorElectric project

Highlight Experiences with CAN

These are some experiences with CAN bus Network:

Leadership

Authored CAN specifications document for supplier
Authored requirements for supplier to port device 11bit to 29 bit and SAEJ1939 compliant.
Created step-by-step guide on minimum compliance to SAE J1939.

Integration

Designed & implemented vehicle network topology compromised of over 5 CAN networks and 25 CAN nodes
Troubleshoot & fix on-highway truck with experimental high-voltage system with intermittent CAN issues
Created busload estimation calculator to help designers size up message transmission rates
Experience troubleshooting based on analog signal (eye-chart) and protocol analyzer

Software

Supported CAN bus software library written in Assembly for 8-bit microcontroller
Wrote CCP (CAN Calibration Protocol) support for 8bit processor & Matlab generated embedded code

Electronics

Designed CAN to SPI gateway module. Designed circuit schematic, circuit board layout and wrote the firmware in C.
Designed a dual CAN Gateway module that off-loaded the traffic in the main vehicle CANbus
Designed ECUs (CAN nodes) with magnetic and optical coupling

Research

Evaluated bit error rate in CAN bus running on 1Mbit
Evaluate theoretical bit error rate of CAN physical layer running at 10Mbits