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김영운(Youngoon Kim),황순웅(Soonwoong Hwang),김현국(Hyeonguk Kim),신규식(Kyoosik Shin),한창수(Changsoo Han) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
Recently many researchers have been studying new methods to improve the energy efficiencies of existing products for solving energy problems. In the field of robotics, the efficiencies of industrial robots are to be increased since many industrial robots are being used in the manufacturing field. This study proposes a design methodology of industrial robot for increasing energy efficiency. This methodology are composed of two methods. One is deciding optimal link mass based on joint torque optimization and the other is designing robust link using topology optimization to overcome reaction forces when it perform the specified task.
석탄화력 발전용 순환유동층 보일러 내 고온 증기부 운전의 동특성 이해와 응용
이후경(Hookyung Lee),김효준(Hyojun Kim),김영운(Youngoon Kim),이기현(Kihyun Lee) 대한기계학회 2016 대한기계학회 춘추학술대회 Vol.2016 No.12
In a thermal plant for power generation, transient behavior caused by load changes is largely controlled by a firing rate of fuel and a feeding rate of water. Different time constants in the boiler system which is composed of the complex configuration of heating surfaces lead considerable response time. The CFB boiler is one of the alternatives for environmental regulations aimed at controlling air emissions at coal-fired power plants. According to the previous presentation results associated with air/gas side in the CFB furnace, this paper reports dynamic simulation and analysis results for thermal process design of water/steam side in the back-pass part of the CFB boiler. The deviation between simulated results and design values is acceptable in engineering application. Finally, the CFB boiler module will be connected on the computational domain of our own dynamic plant simulation tool. It may provide strong support for the furnace and back-pass design in ultra-supercritical CFB boiler system ultimately.