Varaprasad E. K
Hagerstown
Summary
Results-driven Engineering professional specializing in Hardware In Loop Development and Software Testing in the automotive domain. Successfully led HIL projects, enhancing test environments and processes, which improved efficiency and client satisfaction through strategic test plan development and team collaboration.
Overview
19
19
years of professional experience
Work History
Technical Project Manager–HIL and Lithium Battery Management (Low and HV)-SW Testing & Validation
JLG Industries Inc.
Hagerstown
05.2019 - Current
- Understand the requirements and support for the test environment development for the HIL and Developed the Battery CQR test plans and validated
- Wiring harness interface from the test stand to the Battery.
- Monitored and logged the CAN data using CAN analyzer.
- Prepared the test schedules for the test automation and generated the test report.
- Created the bugs for the issues during the validation and reported to the SW team
- Developed Cell test simulator to verify the BMS functionality
- Hagerstown, Maryland
- Technologies: Electrification
- Tools: Arbin test stand, NHR test stand, Oscilloscope, Vector CAN analyzer, Temperature chamber, Power supplies, Electronic Load, multimeter
- Management tools: JIRA
Lead Software Test Engineer
JLG Industries Inc.
JLG Industries Inc Hagerstown
12.2019 - 12.2022
- Understand the requirements and support for the test environment development for the HIL and Developed the Battery CQR test plans and validated
- Wiring harness interface from the test stand to the Battery.
- Monitored and logged the CAN data using CAN analyzer.
- Prepared the test schedules for the test automation and generated the test report.
- Created the bugs for the issues during the validation and reported to the SW team
- Developed Cell test simulator to verify the BMS functionality
- Hagerstown, Maryland
- Technologies: Electrification
- Tools: Arbin test stand, NHR test stand, Oscilloscope, Vector CAN analyzer, Temperature chamber, Power supplies, Electronic Load, multimeter
- Management tools: JIRA
Lead HIL Test Engineer
HONDA R & D - Americas
10.2017 - 11.2019
- Manage the functional activities of the project, discussions with client and plan the activities to the team.
- Project status to the client and discuss if any change in the scope of the project
- Prepared the Signal list as per the system diagram and IO model in MATLAB Simulink Integrated the CAN dbc file and mapped the CAN Rx & Tx in RTI CAN MM.
- Interfaced with Plant model, build and .sdf file generation.
- Created the Control desk layouts & Open loop testing before connecting harness.
- Analyzed the BCM new requirements and prepared the test cases & Scripts in excel based and Model based.
- Created the variable pool in automation desk and automated the test scripts.
- Involved the Functional, Diagnostics testing Supported for the Multiple Software releases and provided the tests results along with Measurements & CAN logs ( As per the schedule ).
- Finalized the issues/bugs during validation.
- Technologies: Embedded
- Tools: DS1006 HIL system and Automation Desk Ver5.0, Control Desk 5.4, Configuration Desk, MATLAB 2015a. CAN Analyzer.
- Management tools: Jazz Team Server.
Sr.HIL Development & Test Engineer
CNHi-Industrial
Burridge
06.2014 - 09.2017
- Manage the functional activities of the project, discussions with client and plan the activities to the team.
- Project status to the client and discuss if any change in the scope of the project
- As per the schematic signal list mapped the IOs with dSPACE IO channels using Configuration Desk.
- Integrated the CAN dbc into the IO model, build the Model & generate the .SDF file
- Created GUI in control Desk layouts.
- Analyze the functional requirements for the different subsystems & developed the test plan in the parameterization approach.
- Develop the test scripts in automation desk, dictionary creation Execute on HIL simulator
- Review the team member’s activities, Prepared the test plans
- Prepared the validation, coverage report & shared to stake holders
- Also as a test manager, managing the team to solve the issues and involved in planning of the project and work.
- Coordinating with client if any requirements inputs are needed, queries, and if any bugs found.
- Monitoring the defects logged & fixing the same.
- Supporting team members for any discrepancies observed during V and V, in reviews.
- Involved in the weekly status report, client review meetings and status calls
- Burridge- Illinois
- Technologies: Embedded
- Tools: Scalaxio HIL system, Automation Desk Ver5.0, Control Desk 5.1, Configuration Desk, MATLab 203b. CAN Analyzer, EST.
- Management tools: SVN, Polarian, Pulse.
Team Lead-HIL testing and validation
BHTC (Behr-Hella Themo control)
Pune
01.2010 - 05.2014
Team lead and Test Management
VW
05.2011 - 04.2014
- As Team Member, involved in verification and validation of control panel for Functionality testing and Diagnostic testing, Analyzing the specification and developing test cases using AUD to automate testing.
- Generate automated test results with the use of HIL model.
- Debugging, Review meeting for bug explanation and uploading results for all SW releases.
- Requirement Analysis, develop the test cases & Scripts, execution
- Signal IO mapping with dSPACE HIL simulator
- Also as a test manager, managing the team to solve the issues and also involved in planning of the project and work.
- Coordinating with our counterpart in Germany regarding requirements and if any bugs found.
- Monitoring the defects logged & fixing the same.
- Supporting team members for any discrepancies observed during V and V.
- Technologies: Software
- Tools: dSPACE HIL system, Automation Desk, Control Desk, VAS Diagnostic Tool, CANoe, STS, Breakout box.
- Management tools: MKS, DOORS 9.3.
Sr. Testing Engineer
Renault
01.2010 - 04.2011
- As Team Member, involved in verification and validation of control panel, Analyzing the specification and developing test cases using AUD to automate testing.
- Generate automated test results with the use of HIL model.
- Debugging, Review meeting for bug explanation and uploading results for all SW releases.
- Inducting new joiners (hardware-software setup and giving them project induction)
- Coordinating with our counterpart in Germany regarding requirements and if any bugs found.
- Monitoring the defects logged & fixing the same
- Technologies: Software
- Tools: dSPACE HIL system, Automation Desk, Control Desk, VAS Diagnostic Tool, CANoe, STS, Breakout box.
- Management tools: MKS, DOORS 9.3.
- Key Achievements: Received best customer satisfaction from client.
Sr. Testing Engineer
01.2010 - 01.2011
- The UPETS is a Universal test system for validating the power electronics products (PTC and blower modules).
- The PTC module is working based on LIN communication.
- The PTC modules are using in the HVAC system to provide the heat to the engine and to the passengers.
- The blower modules are working using PWM techniques.
- The speed of the blower modules is vary according to the duty cycle of the PWM signal.
- Technologies: Software and Hardware
- Tools: Programmable DC power supply (Chroma, R &S with 1ms switching time) Leroy Oscilloscopes, Keithly Multimers(40 voltage and current channels and 8 temperature channels).
- Software: CVI, Lab windows, CANoe.
Sr. Hardware designer
04.2009 - 12.2010
- This project is related to Display Control & Keypad for the Blood Apharasis System.
- We can control & monitor the system status using this module.
- The digital bus signals (RD, WR, Reset, etc) and Display signals (XSCL, LP, YD, UD [0...3] from the host system are pass through simple low pass network to eliminate ringing and glitches.
- The signals are 5V I/O compatibility.
- Used the level converters (SN74LVC4245) to convert 5V signals to 3.3V signals.
- The signals are buffered through 74HCT244 buffers and connected to XC3S50A - Xilinx FPGA.
- This FPGA has the 3.3V I/O compatibility.
- Technologies: Hardware
- Tools: Orcad, Alitium.
- Key Achievements: Received appreciation letter from Client for the Good work done.
Sr. Hardware design Engineer
iGate-Patni Computers
Pune
04.2007 - 11.2009
Hardware designer
07.2007 - 04.2009
- This product is based on Free scale I.MX21 series 32 bit controller (MC9328MX21VM) which involves external SDRAM and Flash interface, UART, I2C and Biometric sensor interfaces.
- This module interfaces to the Biometric scanner & RF modules using GPIO pins of the micro controller.
- Flashing using the USB flash debugger.
- The board is ported to PC using RS232 communication.
- Load the driver to the iMX21 processor & tested the functionality.
- Interface the USB and touch screen to the LCD.
- Technologies: Software and Hardware
- Tools: Altium pack_6, Embedded C.
- Key Achievements: Received appreciation letter from Client for the Good work done.
Education
B.Tech - Electronics and communications
J.N.T.U
IndiaSkills
- Oscilloscope and multimeters
- Electronic loads and breakout box
- Jira and GitHub
- Continuous integration tools
- CAN and LIN protocols
- UDS and KWP2000 standards
- J1939 communication
- Python programming
- MATLAB Simulink modeling
- CAPL scripting
- DSPACE Scalexio HIL testing
- Automation desk and control desk
- Configuration desk management
- Arbin for low voltage battery packs
- NHR test stand for BMS testing
- Systems, Controls & Hardware testing
Status
Green Card
Timeline
Lead Software Test Engineer
JLG Industries Inc.
12.2019 - 12.2022
Technical Project Manager–HIL and Lithium Battery Management (Low and HV)-SW Testing & Validation
JLG Industries Inc.
05.2019 - Current
Lead HIL Test Engineer
HONDA R & D - Americas
10.2017 - 11.2019
Sr.HIL Development & Test Engineer
CNHi-Industrial
06.2014 - 09.2017
Team lead and Test Management
VW
05.2011 - 04.2014
Team Lead-HIL testing and validation
BHTC (Behr-Hella Themo control)
01.2010 - 05.2014
Sr. Testing Engineer
Renault
01.2010 - 04.2011
Sr. Testing Engineer
01.2010 - 01.2011
Sr. Hardware designer
04.2009 - 12.2010
Hardware designer
07.2007 - 04.2009
Sr. Hardware design Engineer
iGate-Patni Computers
04.2007 - 11.2009
B.Tech - Electronics and communications
J.N.T.U