Wonoh Kim

Wonoh Kim Email and Phone Number

Principal Software Engineer @ sonnen, Inc.
Wonoh Kim's Location
Buford, Georgia, United States, United States
Wonoh Kim's Contact Details
About Wonoh Kim

Artificial Intelligence (AI), Machine Learning (ML), and Big Data* Designed model, controlled, and optimized large-scale nonlinear systems with time-delay. Systems included furnace, automobile transmission, aircraft navigator using Artificial Intelligence (AI) and Machine Learning (ML), especially hierarchical structure and soft computing methods such as fuzzy, artificial neural network, and genetic algorithm. Quality control using Statistical Process Control (SPC).* Practiced Feature Engineering, Deep Machine Learning and Natural Language Processing (NLP) and tinyML using tools such as NumPy, Pandas, scikit-learn, Jupyter Notebook, TensorFlow and Keras.* Evaluated and deployed Apache and Hortonworks Hadoop with Ambari and Hue on multi-node clusters and research on big data analytics and data science using R, Pig, and Hive.Internet of Things (IoT)* Designed, developed, and deployed IoT edge server on Raspberry Pi and Debian Linux VM.* Designed IoT using Thingworx Edge Java SDK and Thingworx platform.* Communication via TCP, Wi-Fi, BLE, NFC and RFID.Machine Vision* Invented Nondestructive Inspection (NDI) system with infrared (NIR), machine vision and image processing technologies to pinpoint defects of optical system.[Programming in languages and embedded system design]* Program with various programming languages (Linux script, Python, C, C++, Java, C#, Visual Basic, Matlab, Simulink, R, LabView, LabWindows, Measurement Studio), Typhoon HIL, and IDE (Visual Studio, Jupyter Notebook).* Program firmware and device drivers with interface (TCP/IP stack, RS-232, GPIB, VISA, CAN, NFC, BLE, Wi-Fi) and debug using JTAG. Mount SoC with RTOS and Linux (Debian, Ubuntu, CentOS, Red Hat).* Design embedded system and system-on-chip (SoC) with various microprocessors (Zilog Z80, Intel 80xx, C51, C96, Microchip PIC18xx), ARM (ARM7TDMI, STM32Fx, Cortex-M), DSP (TI TMS320Cx, TI C2000), FPGA, memory (SDRAM, DPRAM, FLASH), analog / digital circuit (SPI, ADC, DAC, OP Amp, Photo Diode) and PCB layout using CAD.Industrial Experiences* Experience in various industries such as communication (cellular, fiber optics, cable, DSL), machine vision, motion control, power electronics, sensing instrument, RFID, automotive, and military.* Trained and experienced Danaher Business System (DBS), Green Belt, Kaizen, and Design for Six Sigma.

Wonoh Kim's Current Company Details
sonnen, Inc.

Sonnen, Inc.

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Principal Software Engineer
Wonoh Kim Work Experience Details
  • Sonnen, Inc.
    Principal Software Engineer
    Sonnen, Inc. Jan 2023 - Present
    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.
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  • Videojet Technologies
    Principal Software Engineer
    Videojet Technologies Mar 2015 - Jan 2023
    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.
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  • Fluke Networks
    Senior Software Design Engineer Iv, Data Scientist
    Fluke Networks Oct 2010 - Mar 2015
    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.
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  • Sunrise Telecom
    Senior Software Engineer Iv
    Sunrise Telecom Nov 2007 - Oct 2010
    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.
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  • Avery Dennison
    Software Engineer
    Avery Dennison Nov 2004 - Nov 2007
    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.
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  • Micron Optics Inc
    Electronics Design Engineer
    Micron Optics Inc 2002 - Nov 2004
    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++.
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  • Ciena
    Lead Software Engineer
    Ciena 2000 - 2002
    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.
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  • Georgia Institute Of Technology
    Graduate Research Assistant
    Georgia Institute Of Technology 1995 - 2000
    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.
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  • Korea Electrotechnology Research Institute
    Researcher
    Korea Electrotechnology Research Institute 1991 - 1992
    * 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.
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Wonoh Kim Skills

Embedded Systems Embedded Software Firmware Testing Software Engineering Device Drivers Wireless Digital Signal Processors Fpga Rtos Linux C++ Ethernet Electronics Vhdl C Tcp/ip Microcontrollers Big Data Telecommunications Internet Of Things Data Science Machine Learning Hadoop Cloud Computing Apache Pig Hive Fiber Optics Operating Systems Lte Software Defined Radio Image Processing Fuzzy Logic Genetic Algorithms Neural Networks Matlab Java Hardware Raspberry Pi Cellular Communications Arm Rfid Applications Machine Vision C# Visual Basic Power Electronics Xilinx Pcb Design Amazon Web Services Nginx

Wonoh Kim Education Details

  • Georgia Institute Of Technology
    Georgia Institute Of Technology
    Electrical And Computer Engineering
  • Chung-Ang University
    Chung-Ang University
    Electrical Engineering
  • Chung-Ang University
    Chung-Ang University
    Electrical Engineering

Frequently Asked Questions about Wonoh Kim

What company does Wonoh Kim work for?

Wonoh Kim works for Sonnen, Inc.

What is Wonoh Kim's role at the current company?

Wonoh Kim's current role is Principal Software Engineer.

What is Wonoh Kim's email address?

Wonoh Kim's email address is wo****@****jet.com

What is Wonoh Kim's direct phone number?

Wonoh Kim's direct phone number is +177031*****

What schools did Wonoh Kim attend?

Wonoh Kim attended Georgia Institute Of Technology, Chung-Ang University, Chung-Ang University.

What are some of Wonoh Kim's interests?

Wonoh Kim has interest in Science And Technology, Children, Education.

What skills is Wonoh Kim known for?

Wonoh Kim has skills like Embedded Systems, Embedded Software, Firmware, Testing, Software Engineering, Device Drivers, Wireless, Digital Signal Processors, Fpga, Rtos, Linux, C++.

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