MING-LUN, CHANG
Embedded Software Engineer
Work Experience
Embedded Software Engineer • ASJade Technology
七月 2022 - Present
- Analysis scenario and requirement from OCPP protocol 1.6, 2.0.1, and users.
- OCPP B01, B02, E02, E03, L02
- Design with UML diagram(class diagram, sequence diagram, and state machine)
- Impl with design pattern(state pattern, observer pattern, producer&consumer pattern)
- FirmwareUpdateSvc
- TransactionSvc
- Hal
- Integrate open source and assist software architecture design for EVCS.
- libwebsocket(websocket, restful)
- libcurl(ftp, ftps)
- ARM cross compilation by build script Ant and qmake using i.MX8MNCUL EVK toolchain.
- Plan and execute test.
- unit test(functional requirement)
- regression test(service requirement)
- integration test(user requirement)
#Linux #C/C++ #Multi-threading #Git #Docker #UML #qmake #CppUnit
AI Engineer • Precision Machinery Research Development Center, PMC
Feb 2021 - Feb 2022
- Execute government technology development program
- Improving accuracy up to 67%
- Invention Patent(TW I761258)
- Implement measurement software to aquire data from CNC controller and chips.
- Integration of various CNC controller protocol (FANUC, OPC UA, Syntec)
- Windows Form(C#)
- Thermal compensation chip(UART)
- Implement optimal algoritm
- PCA, Pearson, p-Value
- Wrapped Feature Selecting Algorithm(WOA, PSO, SVR, cross-validation)
- tensorflow(RBF NN)
#python #C# #WindowsForm
Research Assistance • FengChia University, FCU
Feb 2020 - Nov 2020
- Execute ongoing government technology development program.
- Pre-study and validation for government technology development program.
- Manage master-degree students.
#C# #Matlab
Academic Degree
2017 - 2019
Feng-Chia University
- Industry-Academia Collaboration
- Thermal error compensation of CNC(Taichung) - Optimization algorithm combined with MOBUS communication for real-time error compensation.
- Wireless vibration analysis of industrial ceiling fans (China) - ESP32 real-time Fourier transform analysis.
- Detection of operational efficiency of shoe factory (Vietnam) - ESP32 real-time vibration information acquisition.
- International Conference
- 2019 ICMAEE Oral in Japan
- 2018 ICMAEE Oral in Thailand
- Conference Competition
- 2018 ISME 3rd.
- Badminton School Team - Vice Captain
- Badminton Department Team - Captain
Optimal Numerical Analysis - Proposal(https://doi.org/10.36909/jer.9667)
Wireless Vibration Analysis - Proposal(https://doi.org/10.3390/electronics10202540)
#CAE #Optimization
Programming
- C/C++ (Embedded Linux)
- C# (WindowsForm)
- Python (Optimal Algorithm)
- Multi-Threading
Communication
- WebSockets
- Namedpipe
- UART
- Restful
- MODBUS
Language
- Chinese
- English
