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RISS 인기검색어
- 검색키워드
- 저자 : 고석규 (검색결과 5 건)
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품질경영시스템이 성숙기 산업의 경영활동성과에 미치는 영향
고석규 경북대학교 경영대학원 2007 국내석사
(Abstract) In this thesis, a case study of quality management system in LG Philips Displays (LPD), who has created a new type of innovation model such as TDR(tear down and redesign), is performed in order to suggest a direction for facilitating the innovation activities in LPD. First of all, for the sake of understanding the stream of quality management, this thesis had researched literatures on the quality management practices and compared their characteristics. So the positions of every quality management practices was grasped in the context of evolution of management. 6 sigma, which had been created in Motorola and prospered in GE(General Electric), is evaluated and recognized as the highest level of quality management practices. also LPD has adopted 6 sigma as a powerful tool for breaking through the crisis of display industries caused by unlimited and boundless global competition. LPD Components Plant has adopted and implemented 6 sigma, but LPD Components Plant became to know the deficiency of 6 sigma practice, such as creative innovation. LPD Components Plant had confronted a new challenge, to which it has had no experiences, induced by the advances of display technology in recent days. So LPD Components Plant has created a new type of innovation to tear down and redesign all the processes and practices of display without any exception. TDR teams had been organized as cross functional team to reform all the process in order to solve the present problems at process. also, LPD Components Plant had generated and specified the details of TDR activity. After implementation of TDR from 2004, LPD Components Plant has achieved good performances in all the aspect of managerial activities including the improvement of production volumes and the dramatic reduction of costs, which had made the financial status better off. Concludingly, this thesis had found the synergy effects from integration of 6 sigma and TDR of LPD Components Plant. In other words, TDR is constructed on the foundation of the qualitative practices of 6 sigma, which had facilitated the settlement of TDR process.
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Design and control of a robotic mirror therapy system for hemiplegia rehabilitation
고석규 Seoul National University 2016 국내석사
The objective of study is to design and control a robotic mirror therapy system for hemiplegia rehabilitation. The system induces rehabilitation of an arm functionality by increasing neuroplasticity via combination of a conventional mirror therapy and the robot. Consequently, the robot rehabilitates patients to accomplish the Activities of Daily Living (ADL) tasks. In order to design hardware of the robotic mirror therapy system, motors were selected first based on calculation using anthropometric data. Entire system was designed to be compact as well as assemblable. Size of the system can be adjusted to fit various wheelchairs and symmetrical structure allows faster transition for either side of the hemiplegic arm. The system uses feedback control based on the motors’ information and signals from the AHRS sensors. In order to achieve feedback control, quaternion transformation, kinematics, and inverse kinematics are solved. The exoskeleton type robotic mirror therapy system has been evaluated its function with an optical motion tracker and confirmed its synchronicity and reaction time. Additionally, the exoskeleton robot was safely tested its function to the normal people as well as to the stroke patients suffering with hemiplegia. The robotic mirror therapy system can be safely deployed for the sake of rehabilitation for hemiplegic patients. The robot system can also be modified as an exercise robot to increase the hemiparetic arm strength by controlling the impedance. This robotic mirror therapy technology can further develop and apply not only to the upper limbs, but also to lower limbs. In addition to the mirror therapy, other rehabilitation therapy such as unilateral therapies or therapies with virtual reality system may utilize the suggested exoskeleton robot system. Moreover, it can also be adjusted as an assistive device for the hemiparetic patients to assist their ADL tasks. Consequently, the suggested robotic mirror therapy system could contribute to advancements in the medical field or applied to industrial as well as military applications.
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