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Equipment Conversion Time andralph lauren polo shirts Direct Labor Designed a methodology,ralph lauren polo shirts such as converting external time to internal time, reorganizing the sequential process into parallel process, eliminating value wasting activities, avoiding necessary activities by introducing Lacoste Polo Shirtsauxiliary equipment. Lacoste Polo ShirtsIt reduced the conversion time for the most and the second constrained station by as high as 45% and 35% respectively. It alsoCheap Lacoste Polo Shirts increased the manning ratio from 1:1 to 1:1.5.? Lot Cheap Lacoste Polo ShirtsSize Optimization Project: The sensitivity analysis was conducted. The balance between setup cost reduction and inventory holding increase was compromised. This project improved production output, saved new equipment purchase and boosted the manning ratio for most the stations. ? Capacity Optimizer Development: A capacity optimizer was designed to allocate the limited resources to different product mix optimally by mathematical programming. It can maximize revenue of the total product mix, fully utilize the capacity of the production line, generate the limiter charts and predict the constrained stations automatically.
? Factory Simulation Modeling: A simulation project was created to evaluate the real capacity of production line can be, conduct quantitative what if analysis in a short time and allocate HC optimally by different scenarios.? Sr. Research Associate, Production and Service Systems Laboratory, Seattle, WA 09/2001-01/2005Apply analytical tools, such as simulation (Arena) , mathematical programming ( linear, quadratic, network optimization) , and statistical tools ( 6 sigma,) to production process and service systems research, problems, and projects focusing on the following areas: 1) Supply Chain Design/Improvement 2) Facility Layout/Material Handling Systems Design 3) Logistics and Transportation Systems4) Performance MeasurementProjects Conducted:? Supply Chain Management: Designed supply chain strategies. Forecasted the sales. Set up order quantities for different products. Determined inventory control policy. Planned the raw material requirements.
? Demand Forecasting & Pricing: Forecasted the future demand by Regression Model and EMA method. Priced the rate in the reference to the Asset Pricing Model and the theory of Shadow Price to maximize the utility. ? Traffic Flow Modeling & Optimization: Modeled the traffic flow of the Puget Sound highway system. Sought the optimal path routing and intrinsic geodesic by Dynamic Programming, Christoffel symbols and metric tensors? Automation Engineer, JiRen Co ltd, China, 09/1999-07/2001
? Developed a Windows NT based CNC (Computer Numerical Controller) for an abrasive water jet cutter, including the human machine interface, G code auto generation, 3 axis step motor controller device driver, and PLC I/O.
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