Mr. Liu's mother tongue is Chinese.
Work Experience
2010 /4--Present:XXX Industry Automation Company(150-500 people) [ 2 year and 3month]
Industry: Instrument/Industry Automation
R & D Electronics Development Engineer
Hardware and software design of chemical equipments, pre-developmend of new technology and modification and upgrade of current design, troubleshooting and maintenance of prototype machines.
1. Fimiliar with the hardware and software design of evaperator and calarimeter
2. Design the hardware and software for evaperator.
3. Capable to design the hardware system and PCB for automatic calorimeter (Bomb - calorimeter).
4. Hardware system design, parts selection and pre-develop of new technology.
5. Experience of hardware and software design of AVR, STM32 MCU's.
6. Expert at stepper / BLDC / AC / DC motor and heater control.
7. Experience of temperature, pressure, flow measurement and touching sensor, RFID tag, wireless communication with IR and Bluetooth..
8. Knowledge of EMC and safety test.
9. Expert at MS Office(Word, Excel, PowerPoint, Viso) and Computer.
10.Self starter, capable for project control
11.Fluent written and spoken English.
2008 /4--2010 /4:Shenzhen XXX Bio-Medical Electronics Co. Ltd(500-1000 people) [ 2 year]
Industry: Medical Facilities/Equipment
R & D Electronics Development Engineer
Work on automatic in vitro diagnosis equipment, finished hardware design for two high level automatic bio-chemistry analysers as a key member, including hardware design, new materials selection, select and verify hardware solution for subsystem, SCH, PCB design, BOM and troubleshooting for the prototype machine and trial machine.
1.Familiar with the hardward architecture and subsystems design of automatic bio-chemistry analyser, Expert at the hardware sysytem design and board-level design of automatic equipment.
2.Expert of troubshooting for prototype machine and trial machine, keep the prototype machine and trial production running smoothly.
3.Defective analysing expert for system and hardware issues.
4.Familiar with the bio-chemistry analyser, such as, performance verification method, EMC and safety reqirement.
5.Follow up the whole course of EMC and UL/ETL test and analyse the trouble and proposal the possible modificaiton.
6.Design the AC / DC / stepper motor and valve driving board. Output the documentation for design, verification and manufacture.
7.Select new parts and new solution for subsystem.
8.Plenty experience the digital and analog circuit design,
a)MCU – P89LV51, LPC2377, MFC5474, AduC812.
b)Familiar with the DC/DC, LDO power supply architechture and application.
c)Common ICs – ADC, DAC, Current Source, Operational Amplifier, Comparator.
d)Expert at control and detection ciucuit for heater/cooler, DC/AC motor, BLDC/Stepper motor, temerature, pressure, posistion, liquid, water, bar code, etc,.
2007 /6--2008 /4:Shenzhen XXX Electronic Technology CO.,LTD(150-500 people) [ 10month]
Industry: Electronics/Semiconductor/IC
R & D Electronics Development Engineer
Work on electronic dictionary as the only one hardware designer. Familiar with the work flow of production design in huge quantity. Worked every phases for hardware design. Fimiliar with the different modules, such as, buck and boost DC/DC, MCU, SRAM, Nand FLASH, Nor Flash, Audio, Amplifier, LCM, etc,.
1.Capable for hardware design independently.
2.Finished hardware design for electronic dictionary based on ST2204. Including: LCD module, audio amplifiy, power-saving design, memory design. UART interface.
3.Finished hardware design for electronic dictionary based on 33L05 and JZ4720 MCUs, including SDRAM, Nand Flash, SDCard, USB, SPI, I2C, DC/DC modules.
2004 /9--2007 /6:Changsha XXX Electronic Co. Limitted(50-150 people) [ 2 year and 9month]
Industry: Electronics/Semiconductor/IC
R&D Electrical Engineer
Investigate the need from the customer, Design the software and hardware architechure for the testing device, Program Software on PC.
Check and learn the design of High Friquency Switch Power Supply, Design the topology of Main Loop and Control Board under the leading of Team Leader.
Complete the Test desk of power-brake control unit for SS4 electric locomotive as a key member. Complete the debug of prototype machine for 110V/50A High Frequency Switch Power Supply.
Education
Central South University Communication Engineering Master
Central South University Communication Engineering Bachelor
Training
UL-CICC Company Limited UL61010-1 UL61010-1 Training
Certifications
CET6
Language Skills
English Listening&Speaking(Good)，Reading&Writing(Very Good)
Grade of English: CET 4
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