Chen Lim Email & Phone Number

Mission Viejo, Ca, Us

Mission Viejo, Ca, Us

Irvine, Ca, Us

Irvine, Ca, Us

• Assisting system manager in defining requirements and designing the system from control perspective• Identifying and leading multi-disciplinary coordination between mechanical, electrical, control, and physics team to create a unified development approach (safety, documentation, development strategies) to minimize development costs• Leading redesign of cabinets to reduce control hardware cost by about 2/3 while improving machine and personnel safety, reducing false positives on interlocks, and decreasing overall cabinet costs including labor by at least 50%• Mentoring control engineers on best software, real-time, and FPGA development practices• Leading control team in scoping, scheduling, prioritizing tasks• Lead redesign of cabinet placements to decrease facility footprint of the system• Co-developed scalable and expandable software architecture for automated control of tandem-based accelerator for cancer treatment• Co-developed a distributed FPGA-based interlock and data acquisition system with a central automation controller• Developed LabVIEW-based drivers for third-party hardware• Converted Windows-based LabVIEW software to NI Linux Real-Time for increased reliability• Integrated PLC-based vacuum and water control system via EthernetIP

• Developing OOP-based control system architecture for distributed or centralized control system with reusable and modular UIs. • Designing control and machine safety systems for lasers and accelerator• Mentored two interns on OOP-based software development, writing software drivers, requirement documentation, and data acquisition• Developing LabVIEW-based drivers for third-party hardware• Developing and maintaining requirement, software design, and control system documentation• Setup and maintaining Confluence for information sharing, GIT for source code repository, and JIRA for issue tracking. All three are integrated for requirement tracking and project management.

Camarillo, California, Us

Haven't had to fix anything with the software I developed

Camarillo, California, Us

• Completed three full life-cycle development projects on schedule• Completed specification and software development for current project on schedule• Developed LabVIEW code for Windows, RTOS, and FPGA• Developed new FPGA design in LabVIEW to save the company about $30,000• Developed hardware simulation software for validation• Integrated third-party devices using OPC DA and Modbus • Codified software development procedure to meet ISO 9001:2008, CFR 21.11, Annex 11• Initiated consultant search and prescreening for compliance audit and support• Managing software development schedule• Developing verbal communication, listening, negotiation, problem solving, decision making, assertiveness skills and building rapport among colleagues• Assisting engineering team in root cause analysis• Developing validation package for customers to meet CFR 21.11 and Annex 11

Livermore, Ca, Us

• Co-developed a SCADA control system framework for laser control• Managed software development for two projects• Provided system and project engineering support for several projects• Submitted research proposal for inline damage inspection algorithm

• Completed a full life-cycle development project• Developed a measurement and analysis software application for Windows in LabVIEW - Able to acquire, analyze, and display data, communicate with third party tools, handle asynchronous user inputs, and play sound through computer speakers at the same time - Completed all tasks listed above in less than 125 ms for 16 channel acquisition at 51.2 kHz sampling frequency - Utilized on average less than 30% of the CPU and less than 250 MB of memory for worst case scenario - Synchronized legacy data acquisition systems with NI devices if necessary - Developed hierarchical structure to allow multiple developers to work independently on different parts• Enabled colleagues to verify data integrity and quality in the field• Developed an acoustical analysis program in LabVIEW that is 38.2 times faster than MATLAB version, reducing processing time from 3.5 hours to 5.5 minutes • Developed a wavelet-based image analysis algorithm to automate analysis • Helped a colleague produce a grinding priority list and secure a subsequent contract from BART• Assisted in data acquisition and analysis of acoustical and vibration data• Converted legacy Fortran code into MATLAB

Boca Raton, Florida, Us

• Wrote reports for testing of fire alarm system in residential and commercial buildings• Helped to clear all backlog on reporting to the Los Angeles Fire Department• Provided office support as necessary

Washington, District Of Columbia, Us

• Taught math and computer lessons in secondary schools• Mentored students in setting career goals and a plan to achieve their goals• Performed root cause analysis for challenges in small-scale poultry and egg production• Improved egg prices by about 6% and met local demands in yolk color for farmers who adopted the solutions• Allocated volunteer stipends for projects and living expenses to ensure that projects are on schedule• Managed skilled laborers and negotiated compensation for their work• Managed logistics and provided technical support at a girl's empowerment camp in Uganda to create a punctual and problem-free environment for the campers• Developed verbal communication, listening, decision making, and assertiveness skills

Claremont, Ca, Us

• Started and conducted research with Professor Anna Ahn as faculty advisor• Recruited bioengineer for frog dissection• Quantified the effect of passive elastic structure on motion• Quantified the translation of neural signals to kinematic output• Developed a data acquisition system to sync stimulation pulses and video recording of the kinematic output using NI hardware, MATLAB, and FPGA• Designed an apparatus in SolidWorks to hold frog legs and allow free planar movement of the joint• Developed decision making skills

Livermore, Ca, Us

• Developed neutron-gamma differentiation algorithm for remote monitoring of plutonium production in a nuclear facility using Haar transform• Achieved discrimination exceeding the client’s expectations by 13-110% for all test cases • Developed listening skills and built rapport among team members

San Antonio, Tx, Us

• Developed a total of two time-of-flight measurement designs for radiation-tolerant FPGA• Helped to develop a FPGA-based design in Actel Libero that achieved 130 ps resolution for 10-240 ns range, exceeding client’s goal of 10 ns• Co-authored paper published at the IEEE International Conference on Electronic Measurement & Instruments: Performance and Area Tradeoffs in Space-Qualified FPGA-Based Time-of-Flight System, 2009• Developed decision making and assertiveness skills