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전기차, 전기버스, 전기선박, 전기 항공기, 산업용(지게차, 포클레인 등) 충전기 개발ESS(Electric Storage System) 개발PCS 개발

1. Electric vehicle charger development - 50kW KEPCO charger development - 50kW Ministry of Environment charger development - 100kW Ministry of Environment charger development2. Development of charging algorithm - CHAdeMO ver 0.9 charging sequence development - CHAdeMO ver 1.0 charging sequence development - DC combo charging sequence development (using GridWiz PLC modem, RS232 I/F) - DC combo charging sequence development (using GridWiz PLC modem, CAN 2.0B I/F)3. Firmware development - CAN 2.0B HAL Layer development - Developed Peripheral Device HAL Layer such as UART, ADC and so on.4. Bluetooth-linked charging sequence development - Development of a payment system by linking with a smartphone app through Bluetooth5. RTOS porting - Ported FreeRTOS to STM32 Cortex-M76. CHAdeMO Simulator development - Development of equipment for final inspection of CHAdeMO charging sequence for mass-production electric vehicle chargers7. PC test program development - Debugger program development using serial communication - Debugger program development using TCP/IP communicationAs S/W development and leader, I directly manage and collaborate on the development and development schedule for the entire electric vehicle charger S/W, and lead the development progress.

Developed wireless communication products based on 60GHz WiGig (802.11ad)- Development of wireless module supporting Wireless Display ; OpenWRT port and WiGig driver port on Marvell ExpressoBin board ; 60GHz Wireless Display Latency test environment configuration ; Interface configuration with Peraso WiGig dongle- Developed wireless module supporting Wireless VR ; OpenWRT port and WiGig driver port on Marvell ExpressoBin board ; Configure 60GHz Wireless Connection (throughput) test environment ; Configure Steam Store and Wireless VR test environment- Developing Wireless Router (WRT) supporting 802.11ad ; OpenWRT port and WiGig driver port on Marvell ExpressoBin board ; Configure the 60GHz Wireless test environment

Product development based on voice recognition solution- Talking doll development ; The speech recognition algorithm uses the algorithm developed by ETRI ; Program development on UBUNTU Linux from Raspberry Pie ; Develop a doll that recognizes the user's speech (voice) and talks according to the scenario- Development of speech recognition wordbook ; Program development on UBUNTU Linux from Raspberry Pie ; Developed a program that recognizes the user's speech (voice) and finds the words stored in the wordbook application and informs them by voice

• Development Target - GSM(GPRS) phone - EDGE(2.5G) phone - WCDMA(3G) phone - LTE(4G) phone - Smart(Android/Window Mobile) phone• Project Leader of domestic and export project - SKT/KT/LGU+ project - China Open Market project - AT&T project - Verizon project - Telcel(Mexico) project

• RTOS(Nucleus OS, Embedded Linux, eCos, VxWorks) porting• OS(Linux, Windows CE) porting• Device Driver Development : - ISDN B1, B2 and D Channel Driver Development - ISDN S Interface/ U Interface Driver Development - Layer 1 Driver Development(Serial Driver, Ethernet Driver, Keypad Driver, LCD Driver etc..,)• Protocol(H.320, H.323, SIP) Development• Development Target : - ISDN Multi-Media terminal - ADSL Multi-Media terminal - IP Phone terminal - WebPad terminal - GSM(GPRS) terminal• Development Tools : - ARM7 Debugger(Multi-ICE, Trace32 ICD) - 컴파일러(SDT, ADS, GNU Toolkit, Tornado II) - Assembly Language(ARM7), C Language, RADCOM etc..,

• COS(Chip Operating System) Development• CCPS(Chip Card Payment System) Development• COMBI CARD and R/F Card Development• Security Algorithm Program Development• Development Tool : Assembly Language(6800), C Language,

• High-speed elevator OS program (ELCOS) Development• High-speed elevator control PCB development• Development tools: Assembly language(6800/68000), C language, Auto CAD, OR CAD