Download Yicheng Yu - CORP2CORP

LAKSHMI N. VUNNAM
mobile: (732) 600-7978
[email protected]
Farmington hills, MI 48335
Summary of Experience:
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11+ years of experience in design and development of Real-time Embedded software.
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Proficient with Embedded C, C++, assembly programming under Linux/Unix, Windows.
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Worked on various 8/16/32-bit processor families like, Renesas, Freescale, Atmel, Motorola,
ARM7TDMI, Microchip PIC, Intel 8051, 80x86, PowerPC and MSP430.
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Worked on Operating systems VxWorks, ThreadX, MicroC/OS-II, Linux and RTOS.
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Experienced with communication protocols RS232, CAN/CANOpen, SPI, I2C, and USB2.0.
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Application domains: Medical Devices, Automotive and Consumer Electronic devices.
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Good experience in UML, CAPL scripts, Python, UNIX/Linux Shell scripting.
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Developed TCP/IP, Ethernet and VoIP Network applications.
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Have Strong knowledge in Embedded Linux, FPGA, VHDL/Verilog and Xilinx & Altera tool chain.
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Used various Debuggers, Emulators, Simulators, and Lab tools like Logic Analyzers, Scope.
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Involved in all the phases of product development life cycle, debugging, and followed good
software design & development processes, FDA guidelines and ISO standards.
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Certified in SIX-SIGMA Green Belt, and trained in 8D, LEO problem solving tools.
PROFESSIONAL EXPERIENCE:
ZF Lenksysteme, Northville, MI
Sr. Embedded Software Engineer (Contract)
Mar 2014 - CURRENT
Project: High-end Electric Power Steering systems for passenger cars (EPSdp and EPSapa).
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Involved in addressing software issues, CRs and fixing bugs in EPSdp and EPSapa.
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Reproduce failed dSpace Hardware-In-Loop tests on bench test to confirm the EPS SW issues.
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Analyzed the complaints received from the OEM clients and finding the root cause for the problem
using simple variable measurement pages (software)/INCA and/or on RestBus.
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Worked on analysis and stimulation of bus communication, diagnostics and calibration of ECU.
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Measure, Calibrate and analyze data using INCA, MDA tools, integrated with the test bench.
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Written CAPL scripts to simulate other vehicle ECU messages and test the ECU using Restbus.
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Worked on Error handling module (Error Codes/DTCs).
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Verified that EPS ECU software, data is implemented as per OEM requirements.
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Participated in requirements analysis, design reviews and code reviews.
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Maintained Hardware abstraction specific module code for FORD EPSdp project.
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Worked on Supply Voltage Reduction/BVM, Software End Stop, Communication, System
Lifecycle, Center-find and Automatic parking control for GM and FORD EPSdp projects.
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Followed V-model software development life cycle, MISRA guidelines, and good documentation.
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Followed AUTOSAR software architecture, A-SPICE and ISO26262 safety standards.
Tools used: Embedded C, Eclipse, Renesas V850E2/Px4, Enterprise Architect, Notepad++, Windows,
ClearCase, ClearQuest, DOORS, ETAS INCA, CANape, MDA7.1, GM HS-CAN/CE-CAN, Vector
CANalyzer, CANoe, CANFlash, CAPL, UDS, DPS tool, Total Commander, GreenStudio, AUTOSAR 4.x,
A-SPICE and ISO-26262.
Sep 2013 – Mar 2014
Clever Devices, Durham, NC
Sr. Embedded Software Engineer (Contract)
Project: Smart bus technology for NJ TRANSIT using PowerTrunk TETRA Radio system.
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The Clever Devices provides support for a wide range of radios for voice and data communications
between the fleet and central systems.
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Responsible for design, documentation and implementation of the Universal Radio Logic
Controller (URLC) embedded software.
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Developed URLC software to support NJT PowerTrunk Radio used for Data and Voice
communication b/w IVN (In-Vehicle Network) and Clever CAD.
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Implemented PEI interface software for controlling and commanding radios for various projects
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Developed software that handles normal and emergency voice communications, also OTA data
messaging in telecommunication failures scenarios.
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Responsible for testing the URLC software and testing the various communication interfaces.
Languages and Tools used: Embedded C, Windows, MPLAB-X IDE, PIC32MX795F512, TCP/IP, JIRA,
Subversion(SVN), TeamCity, TestLink, UML, Code collaborator, Logic Analyzer and Scope.
June 2011 – July 2013
GE Healthcare, Waukesha, WI
Sr. Embedded Software Engineer (Contract)
Project: Simultaneous PET/MR Scanner, Patient Handling Module (SRI)
Designed, developed and tested MRI firmware for simultaneous PET/MR system written in C and C++ for
uC/OS-II running on a Nios-II processor and VxWorks running on PowerPC.
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Worked on MRI Patient handling system design & development of firmware.
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Collaborated with cross functional team to implement patient handling design that will ensure an
accuracy of +/- 0.5mm (of commanded motion for a 200 mm & longitudinal repeatability) in
positioning patient for optimal image quality.
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Worked with Firmware architect to come up with final design, prepared TDR and implemented
those decisions into product software designs.
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Implemented host-firmware Interface for table communication, and Detector thermal management
to inhibit MR scans for the PETMR project that include requirements writing, detailed design,
implementation and testing.
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Changes made to provide physiological triggers (Cardiac & Respiratory) to PET system.
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Followed IEC-62304 processes, Risk Management, FDA guidelines and FMEA processes.
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Prepared and participated in technical design reviews (TDRs), followed good documentation
controls (GDP), and involved in system verification and validation.
 Gained very good experience in GE Healthcare processes and engineering tools.
Languages and tools used: Embedded C/C++, VxWorks 6.8, uC/OS-II, Linux, GCC, NIOS-2, UML,
ClearCase, Clear Quest, DOORS, Python, MISRA-C/C++, Static tool - C++test, code collaborator, Logic
Analyzer and Scope.
Project:
Revolution CT (Computed Tomography)
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Implemented custom CAN Device Driver for the VxWorks, Linux, eCos platforms for CT GCB
(Gantry Control Board) and tested the same.
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Involved in Implementation of CANopen protocol stack based on CAN-festival.
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Implemented application process to setup and communicate with the Axial Kollmorgen drive and
tested the basic functions of the AKD drive using CANalyzer.
 Worked on implementation of Application layer services, debugging and testing the same.
Languages and tools used: Embedded C/C++, VxWorks 6.7, Linux, eCos, WindRiver Workbench 3.1,
GCC, PowerPC, ClearCase, ClearQuest, DOORS, CANOpen, CANalyzer, WDB debugger, Logic Analyzer
and Scope.
Medtronic Diabetes R&D, Northridge, CA
Sr. Embedded Software Engineer (Contract)
Project: Insulin Patch Delivery System (Durable + Controller)
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June 2010 – May 2011
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Designed and developed HAL Layer, Hardware Control Task and Notification Manager Modules
in next generation Insulin pump, Patch Delivery System.
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Participated in product requirements review, design reviews and code reviews.
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Involved in module Unit Testing, Integration testing, debugging code and fixing bugs.
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Involved in debugging software issues and interrupt handling for the HAL, Driver layer modules.
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Introduced and followed Coding standards and Complier Optimization techniques for Patch S/W.
 Followed IEC- 62304 software life cycle processes, FDA guidelines and FMEA processes.
Languages and tools used: Embedded C, ThreadX RTOS, IAR workbench, IAR tools, SAM7 (ARM7)
processor, TI-MSP430, UML, MISRA-C, Surround Version management, DOORS, Coverity- Prevent,
StackX tool, Logic Analyzer and Scope.
May 2009 – May 2010
GE Healthcare, Waukesha, WI
Embedded Software Engineer (Contract)
Project:
7.0 Tesla Research MRI – Magnetic Resonance Imaging
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Implemented Transmit chain MNS Exciter (PowerPC processor based) for 7T MRI.
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Implemented RF Quadrature tool for phase calibration in Dual drive mode.
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Worked with global engineering teams located in India and China.
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Participated in technical design and development reviews- TDRs, Verification & Validation.
 Followed FDA guidelines, Risk management, CAPA, and FMEA processes.
Languages and tools used: C/C++, VxWorks 5.5.1, Solaris, GCC, GDB, PowerPC, UML, ClearCase,
DOORS, Code Collaborator, Parasoft C++Test, MISRA-C/C++, Debugger, Logic Analyzer and Scope.
SIEMENS Medical Solutions, Goa, India
Sr. Firmware Engineer
Mar-2007 to April -2009
Project: Computed radiography and digital radiography X-Ray imaging machines
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Designed and developed Scheduler and Service modules for X-ray Imaging machine.
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Developed MIGS software, using VB/ VC++, for capturing medical images.
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Involved in debugging and fixing bugs in medical device product software.
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Participated in feasibility study for the development of low cost Digital Radiography systems.
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Performed firmware integration, Verification/Validation and followed V-model.
 Participated in MDD, CAPA, ISO-14971 risk management activities.
Languages and tools used: C, PL/M-51, VB/VC++, X32 tools, 80C552 (Philips), JTAG debugger, Logic
Analyzer and Scope.
Robert Bosch, Bangalore/Detroit
Embedded Software Developer
Project: Automotive Motor Electronic Control Units (ESP & EVP)
Mar- 2006 to Feb – 2007
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Developed Electronic stability program & Electronic Vacuum Pump Control modules for GM
Lambda model automotive engines.
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Worked as a Module Lead on Real Time System software development for automotive
applications on Windows environment.
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Developed application layer for CAN protocol to send and receive information like engine oil
temperature, Engine speed, vehicle speed.
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Involved in all the phases of V-model SW development life cycle, S/W and QA reviews.
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Followed MISRA-C/C++ coding guidelines and OSEK/VDX standards.
 Documented, archived project files in CS-IS and requirements in DOORS.
Languages and tools used: C, Assembler, Windows, ERCOS RTOS, TMS470 / TI470 ARM Controller,
CANalyzer, CAN/CAN protocol, TRACE32, OSEK/VDX and DOORS.
Wipro Peripherals Ltd., Mysore, India
Firmware Engineer
May 2003 to Feb- 2006
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Project: USB2.0 Interface Implementation in HQ Printer
 Analyzed USS820D Controller from Agere systems for better feasibility to interface with Hitachi
H8\3002.
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Designed and Implemented USB2.0 interface in DMP Printer.
 Tested the interface on different platforms like Windows, Linux.
Languages and tools used: C, USS820D Agere Controller and Hitachi H8\3002 Microcontroller
Project: SP2400 Printer & TX40 Dot Matrix Printer
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Ported the NEC Controller printer code to Hitachi H8/3002.
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Designed & Developed firmware logic for Carriage Movement and print head firing control.
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Developed firmware to interface LCD, Keyboard, RTC for Tx40
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Conversions of interrupt service routines from Assembly to C language.
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Implemented master control ECR firmware logic and 8-bit parallel interface to PC.
 Implemented I2C communication interface.
Languages and tools used: C, VHDL / Verilog and Hitachi H8/3002 Controller, TMP96C141 Controller,
Project Navigator 7.1, Xilinx Spartan 3.0 Chip Scope, Modelsim, LabVIE W, MatLab, Logic analyzer,
Scope, JTAG.
Project: Off-line Line Interactive & On-line DC UPS
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Designed and developed firmware for the Off-line Line Interactive UPS and tested the same.
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Implemented PWM method for power generation in inverter mode.
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Interacting with integration test team to troubleshoot problems and provide bug fixes.
 Implemented I2C communication interface between microcontrollers.
 Followed documented procedures as part of the ISO 9000.
Languages and tools used: C, CodeWarrior IDE, Motorola MC68HC908JL3E Controller, MVC Debugger,
PIC10F202 &PIC16F783 Microcontroller, MPLAB IDE, ICD2 Debugger, ICE2000 emulator.
Project: Ghost script based and CUPS based Linux Drivers for Wipro Dot Matrix Printers.
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Designed and developed Linux Drivers for Dot Matrix Printers.
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Developed CUPS (Common UNIX Printing System) based Linux drivers for printers.
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Resolved hardware bugs and design issues.
 Developed Network, Serial, and Parallel and Mouse drivers for Linux 2.4 kernel.
Languages and tools used: C, Linux, CodeWarrior IDE, UML.
EDUCATION and PROFESSIONAL DEVELOPMENT:
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BS in Computer Science Engineering from JNTU, Hyderabad, India in 2003.
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Embedded Systems Design and development from C-DAC, Bangalore, India in 2003.
 Received Six-Sigma Green Belt certification in 2005, from Wipro Peripherals Ltd, India.
Trainings and Achievements:
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Received Best performance award for the year 2005 in Wipro Peripherals Ltd
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Trained in DFSS, 8D/LEO problem solving tools, Taguchi method and RELATE.
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AUTOSAR architecture, OSEK/VDX standard and MISRA-C/C++ guidelines from Robert Bosch.
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Knowledge about IEC-61508 SIL3, A-SPICE and ISO-26262 Safety Standards.
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Medical devices software development standards and processes.
o IEC-62304 Medical device software life cycle processes
o ISO-14971 Risk management, IEC-60601-1 Medical equipment standard.
o FDA medical device guidelines and MDD-Medical Device Directive 93/68/EEC.
o ISO-13485 QMS for the design and manufacture of medical devices.
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