Hendersonville, Tennessee, United States
A highly motivated electrical engineer and strategic thinker. Love developing electronic systems that deliver desired user experience, best-in-class performance, and innovative applications.
H&T Intelligent Control is one of the most experienced and competitive Electronics Manufacturing Service providers in areas of major home appliances, small appliances, power tools, automotive electronics, ceiling fan, lighting devices, consumer electronics (smart home/beauty devices/pet electronics). My major duties in North America are • Promotion of H&T’s first-class EMS contracted manufacturing service • Promotion of H&T’s "C-Life" Technology (big data, IoT, open cloud service platform) • Bridging the gap between customers and H&T engineering and manufacturing teams • Development of new ODM and JDM customers and business through engineering designs, prototyping, performance test, agency/reliability evaluation, and part of manufacturing programs • Project Management with different complexity levels • Building NA professional team for international procurement, domestic sale, and customer service
As leader of electrical engineering for TTI outdoor cordless power tools, my engineering responsibility includes research and project management of different power tool applications, creation of power tool design specifications, hardware and software designs, DFMEA analysis, prototyping, engineering builds, DVT, MVT, safety/EMC regulatory compliance, manufacturing supervision, etc. Other responsibilities include supplier management and assistance to internal marketing, product safety, legal, and customer service. Power tool brands include Ryobi, Ryobi OnePlus, Echo, Homelite, and Rigid. Power tool types include string trimmer, hedge trimmer, chainsaw, leaf blower, snow thrower, self-propelled push mower, and riding mower. Battery types include lead-acid and lithium with 18V, 40V, 48V, and 58V. Power of different applications ranges from 150W to 4000W. Battery-powered 48VDC 38" riding mower, 40VDC 21" self-propelled push mower, and 56VDC 16" chainsaw received the highest CU rating.
Worked as system engineer to provide solution to demand. Demand comes from needs of Electrolux customers and strategies of Electrolux marketing. Solution comes from Global Technology Center, Advanced Development Center, suppliers, ETO HW/SW teams, and individual professionals. Performed feasibility and risk evaluation of proposed solution from the best available and combined team effort. Adjusted solution to increase the flexibility for changing demands. Translated solutions into engineering scope, specification, test plan, manufacturing requirements, and HW+SW assignments. Worked with project leaders along the technical design process. Worked with contracted manufacturers to ensure the manufacturing quality, consistency, and cost. Reviewed the project outcomes and accumulated knowledge, experiences, and any possible intellectual properties. Worked as designers of capacitive touch user interface • Completed HMI capacitive touch panel design specification, DFMEA, engineering verification plan, FCT test specification plus test setup, manufacturing specification, and engineering documentations to meet agency and Electrolux NA requirements. • Finished HMI panel tuning setup, performance evaluation, tuning fixture design, and tuning data process for performance in different applications, compatibility to FCT test, and compliance with agency and Electrolux internal EMC requirements. • Assisted capacitive touch key designs, layout, tuning, reliability, and EMC tests. • Developed and supervised contract manufacturers for high quality and low cost in areas of component inspection, PCBA placement using robot, assembly procedures, alignment inspection, spring clip/stud test method, FCT test, correct measurement and test for quality control, DFA, packaging, and shipping/handling. • Collected and analyzed information from field and manufacturing and then developed design correction and improvement for better consistence of performance.
This was an expatriate program to setup a new R&D team for Asia Pacific region. Duties include team building, training, design assignment, project management, production assistance, and supplier qualification. Design projects include portable single-switch and single-burner induction tabletop hob and stationary build-in cook-tops for Electrolux, Frigidaire (USA), AEG, and etc. • Developed design and test method for power efficiency over 86% and low standby consumption less than 0.25W • Modified design for fully surge protection from 300V to 2500V • Created evaluation plan and setup of performance, agency evaluation, life time/reliability, and EMC • Created software upgrades to reduce the audible switching noise from power device and to improve power and thermal managements • Proposed design for next generation high quality, low profile, and low cost single-switch induction • Finished evaluation and preparation for agency Listing/approvals include CE Marking (ETL@Hangzhou/China), UL Listing (Suzhou, China), FCC Part 18, CISPER 11, and CCC • New supplier and component qualification in areas of FCT setup, component specification and evaluation, and low material cost • Benchmarking, competitor analysis, and risk evaluation/control
• Application of Electrolux induction designs (Mini, Tiger, and Jaguar) in Electrolux North American induction appliances to replace EGO. Projects covered Electrolux, Kenmore, Frigidaire, and other major brands. Platform included build-in cook-tops and free-standing ranges. • Agency Listing/approvals include 2 first Electrolux UL listings and 2 DOCs with FCC Part 18 (LA-038 and LA918). • According to Consumer Union, power rating and performance of designed Electrolux NA induction cook-top was rated the best on the market. • Technical contact with major suppliers for critical components, sub-assembly, and manufacturing. • Component designs include induction coils with different power ratings and sizes, power devices control, passive magnetic components design and application, etc. • Control timing and logic for power/thermal management and crest factor correction. • Submitted 2 patent applications. 1 issued and 1 pending.
• High density, low profile, and lightweight DC-DC converters and EMI filters for avionics, military, and space applications. • Interface to contract manufacturer in Taiwan.
• Between 1999 and 2008, chief power electronics designer for induction cooking applications in areas of research, design, engineering, reliability, agency compliance (22 models listed with UL, 8 models listed with CSA, 4 DOC with CE, 18 DOC with FCC, 8 listed with NSF), and market research. Competed three induction-cooking systems used in total 31 commercial and 9 residential induction-cooking models. 3 commercial induction cooking models for one customer were rated No. 1 by North American food service industry since 2006. Several models were first-time listings with UL commercial (2001), UL small appliance (2005), CSA (2003), and FCC Part 18 (2000) of induction cooking appliances in commercial, household, and small appliance history. • Between 2004 and 2008, manager for Luxine China operation for low-cost manufacturing, oversea engineering, agency applications, and purchasing. Complete UL listings and FCC Part 18 DOCs with 6 models and total 15 variances by 2007. Luxine China operation became ISO certified in March 2008. • Between 2006 and 2008, technical director to NA customer service in installation, trouble shooting, and parts. Collection of application information and feedback to improve performance, engineering, quality, and manufacturing. • Submitted 2 patent applications. 1 issued.