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| == '''Michael Yan-Jia ZHAO''' ==
| | Michael Yan-Jia ZHAO |
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| Center for Intelligent and Networked System (CFINS) | | Center for Intelligent and Networked System (CFINS) |
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| Email: zhaoyj@mails.tsinghua.edu.cn | | Email: zhaoyj@mails.tsinghua.edu.cn |
| MSN: michael_zyj@hotmail.com | | MSN: michael_zyj@hotmail.com |
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| == '''Education:''' ==
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| '''Ph.D. Candidate''' of Tsinghua University, Beijing, China, 2005.9 -- now.
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| Major in System Engineering, Optimization and Scheduling of Complex Systems
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| Advisors: Prof. Yu-Chi (Larry) Ho, Harvard; Prof. Xiaohong Guan, Qianchuan Zhao,
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| Tsinghua
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| '''Bachelor of Sciences:'''
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| 2001.9 -- 2005.7, Department of Automation, Tsinghua University, Beijing, China
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| == '''Experiences''': ==
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| '''Project:''' Co-operation Project between CFINS and General Motors Corporate USA, 2006.3
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| -- now.
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| Efficient Research on Simulation and Optimization for Material Handling in assembly
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| '''Intern:''' IBM China Research Lab (CRL), Beijing, 2006.6 -- 2006.11
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| Optimization research in Supply Chain Management and Logistic
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| '''Intern:''' Tsinghua Unisplendour Corporation Limited (TH-UNIS), Beijing, 2004.7-- 2004.9.
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| Automatic Design for Modern Architecture
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| '''Social work:''' minister of the Academic Section in Graduate Student Union, Tsinghua,
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| 2006.9 -- now.
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| '''IEEE student member:''' 2006.1 -- now.
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| == '''Research Interests''': ==
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| '''Performance Evaluation and Optimization of Complex Systems'''
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| Discrete Event Dynamic Systems (DEDS) are wide-existed systems in the world. In practice,
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| many man-made systems can be modeled as DEDS, such as manufacture system, communication
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| network, and transportation system. This kind of systems is driven by events and cannot be
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| described through differential equations. We can only evaluation the performance through
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| simulation. Thus, it is a practical and valuable research direction to combine the
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| simulation and optimization effectively. My current research is based on schedule problem in
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| manufacture system.
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| '''Stochastic Optimization'''
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| Optimization through simulation can be modeled into stochastic optimization. In other words,
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| the objective function and the constraints relate to some stochastic variables, which
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| furthermore can only be observed through simulation and the probability characteristic of
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| which is unknown. Prof. Xi-Ren CAO and Prof. Yu-Chi HO developed Perturbation Analysis (PA)
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| in 1980s, which helps to extract the gradient information from one simulation. Prof. Ho
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| developed Ordinal Optimization (OO) in 1990s, which helps to lessen the computation burden
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| in stochastic optimization through exponential convergence of the order and goal softening.
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| My current research efforts are mainly focused on the perturbation analysis and its
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| combination with Markov decision processes (MDP), event-based optimization, and schedule
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| problem in manufacture system.
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