Group Leader managing and driving Battery Management Systems Requirements definition, System Architecture, Control Strategies, Cell testing and Characterisation, Battery cloud Analytics, Testing and Validation, Production line and EOL

High Voltage BMS - System designed for HV applications for Car, Bus and Stationary storage based on a distributed system • Worked on creating the product requirements and created the hardware and software specifications• Implemented the System level architecture for HV BMS • Standardized the Embedded Software Development Process for HV BMS and other software development in the company• Designed and implemented internal Embedded Coding Standards in conjunction with MISRA C standards • Defined and executed the software architecture and low-level MCU drivers • Supervised and executed assembly of system level architecture of HV BMS with all the components in the HV Battery • Designed, executed and validated the application layer specific algorithms like charge/discharge state-machines, contactor controlling, voltage-limit calculation and comparison, current-derating, data-logging etc • Troubleshooting hardware issues while working in close conjunction with the Hardware development team • Starting from scratch, within six-months validated the complete prototype assembly of HV system by doing charge/dis-charge cycles with Delta grid-tied invertor

Designed BMS with functional safety ISO26262 standards and independent module design in the team• Drafted the High-Level Application Spec for BMS• Created low level drivers for RTC, Serial Flash, Master-Slave SPI communications and RS232 communication driver.• Implemented ISO 26262 Software Safety requirement for Embedded C code in the BMS• Designed and Developed State Flow diagrams for High and Low Level BMS components• Designed and developed test firmware for PCB end of line test• Designed and developed test scripts in CANoe/CANalyzer/CANdito, along with UDS based test scripts• Implemented independent Master Slave communication protocol for interaction between ECU’s for ISO 26262 functional requirement• Designed and Implemented HW EOL firmware and client application using CANdito for ECUs• Designed and handled defect tracker to track all issues noticed during HW/SW integration

● Learned how to design embedded C code for critical real time embedded algorithms keeping in mind the efficiency and execution time of the algorithm. ● Developed and tested code on Microchip MCU’s and TMS570 Hercules MCU’s using MPLAB, MPLABX and Code Composer studio IDE’s.● Input to and implementation of Software Requirement Specification● In depth knowledge of CANoe, CANalyzer, CAPL scripting CANdela Studio, CANdito.● Designed and implemented safety critical Isolation Resistance Monitor algorithm for HV electric / hybrid vehicles.● Coded and tested low driver software for devices such as serial flash, Real Time Clock, I2C, SMBus.● Understanding of Controller Area Network (CAN) and CANdela Diagnostic Data (CDD) for Unified Diagnostic Services (UDS).● Designed and Developed libraries for customers to incorporate them into their project to integrate auto-coded stateflow and Simulink functions.● Designed, tested and delivered software for 2 major OEM’s.● Developed scripts for specific ECU regression test● Understanding of Misra C coding standards and brief idea of ISO 26262.● Designed and developed low level IO Control and application libraries for Battery Management System.● Understanding of Matlab Simulink interfaces

Development of Intelligent Digital Access Control System locks based on PIC micro controllers.• Programming the PIC device with the MPLAB suite• Designing related Desktop applications on VB.net, C# which would record the logs and display in human understandable format (Audit Trail), Generating alerts to email and mobile for new pins issued for access• Database management and querying recorded logs for specific information• Tested and monitored product safety, leading to safer electronic communications products. • Implemented unit and integration tests to consistently deliver high quality features• Programmed in an object-oriented programming language with an eye toward code abstraction and reuse. • Networked Security Lock (Prototype)- Concept was allowing a single hardware platform for opening lock in networked chain