Wonoh Kim Email & Phone Number

Stone Mountain, Ga, Us

* Lead Firmware team, coordinate with other teams, and schedule and assigned tasks to the Firmware Engineers.* Develop firmware guidelines and requirement specifications to comply with regulations and standards. Risk Analysis and documentation for UL1998 and IEC60730 certification.* Translate power electronics hardware and control specifications, design firmware architecture, write concept papers, and analyze expected outcomes.* Train and guide the Firmware team in developing quality firmware and skills.* Propose and adopt disruptive technologies for Power Electronics team and company and submit patents.* Investigated new microcontroller for the new hybrid PV inverter. Collected requirements and invested, negotiated with vendors, and evaluated with evaluation boards (TI F28P65x – C2000 DSP, Renesas RA6M5 – ARM Cortex-M33). Coding and evaluated performance including speed, memory, ADC, PWM, ISR, RTOS and safety function libraries for UL1998/IEC60730 certifications.

Wood Dale, Il, Us

* Submitted proposals of print quality assurance and improvement using machine vision and machine learning.* Submitted idea on Markathon 2021 on initiating a Machine Learning using DBS.* Submitted idea on Markathon 2020 on accessing data from device at power off or broken status using NFC (patent applicable).* Took Danaher Learning courses on Machine Learning, Deep Learning, Feature Engineering and Data Science and self-studied TensorFlow and tinyML.* Provisioned and monitored docker container to send data to the Kafka server in the cloud.* Designed Remote Edge Server (RES) on Raspberry Pi to stream IoT data to the cloud through Amazon Kinesis and to remote access equipment through reverse ssh connection and nginx.* Designed RES to be worked behind proxy server and tested with pfSense with squid.* Designed RES on Debian Linux to implement on VM and deployed as ova file.* Designed Wi-Fi Station to configure and develop the configuration page in Python.* TCP and 802.11 packet capture and analysis using tcpdump, tshark and Wireshark.* Designed Industrial IoT using Thingworx Edge Java SDK and Thingworx platform.* Designed library to configure, authenticate and encrypt write on consumable parts with Atmel SHA204 CryptoAuthentication chip.* Designed Atmel SHA204 CryptoAuthentication chip and Maxim DS2431 EEPROM chip drivers with I2C and SWI drivers on Atmel ATSAMD21J18A Cortex-M0 board.

Everett, Wa, Us

* Researched and analyzed emerging and innovative technologies and market trends; worked with BU leaders and product planners for Initial Concept, Business Concept, Proof Of Concept based on DBS (Danaher Business System); wrote white papers, market analysis; and invented patents (15+ US, European, Canada, and China patents and patent applications approved).* Research on Internet of Things (IoT), big data analytics, data science, and cloud.* Implement and evaluate Hadoop (Apache, Hortonworks, Cloudera, and IBM BigInsights) of various vendors for multi-node clusters and data analytics using R, MapReduce, Pig, and Hive.* Research on LTE, VoLTE, small cells, DAS, HetNet, NFV, and SDN.* Research and develop algorithms on PIM (Passive Intermodulation Distortion) detection and interference hunting using real-time spectrum analyzer.* Research on FTTx, G.fast, fiber fault detection (US Patent US8810783) and develop loss-only (bending, splicing) and reflection (break, connectors) events detection algorithm of OTDR and implement firmware on Cortex-M3.* Research and develop algorithms on measurements of performances of bonding and vectoring, correlations of wideband longitudinal balance and crosstalk (FEXT, NEXT) for xDSL and G.fast (US Patent Application 13/854746, European Patent 14162914.7).* Configure, data collect, and analyze correlation of parameters of DSLAM (Alcatel-Lucent 7330 ISAM) with CLI and TL1.* Debug TCP/IP stack based-on Zilog ZTP for network monitoring devices.* Certified Training on Apache Hadoop 2.0 – Data Analytics with the Hortonworks Data Platform using Pig and Hive by Hortonworks.* Certified Training on Data Science Specialization by Coursera.* Certified Training on VSWR Fundamentals and Passive Intermodulation Fundamentals (PIM) by Andrew Institute.* Certified Training on C7 xDSL Data Services by Calix.

Fremont, Ca, Us

* Program firmware in C/C++ on RTOS (eCos) for cable modem network analyzer that measure performance (MER, Voip+) on DOCSIS 2.0 and 3.0 by emulating cable modem set-top box (STB) with Broadcom chipset.* Program in C/C++ on and VHDL with SDK (on eclipse) and EDK for FPGA (Xilinx Spartan 3 and 6 series).* Program bootloader for Xilinx FPGA.* Test application software on Windows CE.

Mentor, Ohio, Us

* Developed and programmed RF test and diagnostic systems in C#, Visual Basic.NET, VB6; and drivers of RF readers and instruments such as real-time spectrum analyzer, power meter, and signal generator with GPIB using VISA.* Designed circuit and PCB layout of RF test instrument using Microchip PIC processor and programmed calibration software in C# for volume production.* Programmed pc-based controller through DSI (RS-485) in C# for conveyor-belt system with Rockwell PLC.* Trained Green Belt, Kaizen, and Design for Six Sigma.

Atlanta, Ga, Us

* Designed ARM7 System-on-Chip embedded system and programmed bootloader and kernel program on real-time OS using GNU C and C++ via JTAG.* Programmed UDP, TCP/IP for remote control of instruments via Ethernet and developed remote firmware (FLASH) update via Ethernet.* Designed analog/digital electronics (SPI, ADC, DAC, OP Amp) and PCB layout using CAD.* Programmed GUI for Pocket PC with MS Embedded VB and VC++.

Hanover, Maryland, Us

* Lead Machine Vision and Control teams, provided innovative solutions, coordinated projects with engineers, and performed projects to deliver product on time.* Communicated with customers and provided solutions, trained users and documented manuals.* Flat Field Vision Inspection: Developed inspection system using machine vision and programmed using image processing algorithm to detect defects of connector. Developed network-based control system to remote control parameter and managed SQL database (US Patent US6888957B1).* Introduced infrared inspection technology to telecommunication industry first time. Invented nondestructive inspection (NDI) methods using near-infrared (NIR) camera (US Patent US6677591B1) and established standard protocol using data classification. Improved productivity and yield by inspecting splice and components nondestructively.* Project Management Software: Manage projects via Internet.

Atlanta, Georgia , Us

* Controlled Atmosphere Brazing Furnace (Ford): Monitor complex and coupled system using Statistical Process Control (SPC). Synthesize optimal recipe using Genetic Algorithm. Hierarchical intelligent control system combining SPC and Soft Computing. Implement the controller and link the PLC with Rockwell Software RSView and RSLinx. * An Automated IR-Based Inspection System for Heated Backlights. (DOE, Ford): Automated inspection system of backlights (rear window of automobile) using infrared camera. * Continuous Variable Transmission (CVT) (Ford): Intelligent hierarchical control using fuzzy and neural networks. Model CVT using dynamic polynomial neural networks and fuzzy. Estimate driving conditions using fuzzy logic. Control gear ratio using fuzzy and genetic algorithm. Pressure control to avoid slip using neuro-fuzzy techniques. * Autonomous Scout Rotorcraft Testbed (DARPA, US Army): Mission Planning and Control Team of Integrated Product and Process Development. Design and implement fuzzy navigator using C++. Design operator interface window using RTworks on Silicon Graphics' Indy workstation platform.

* Power Saving System: Develop embedded controller (87C51, 87C96) to replace PLC and programmed with PLM and assembly languages.* Electric Vehicle System: Develop AC motor (induction motor, synchronous motor, PMSM, BLDC) controllers using field-oriented control (vector control) method and inverter.

Ph.D, Electrical And Computer Engineering

Ms, Electrical Engineering

Bs, Electrical Engineering