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RISS 인기검색어
- 검색키워드
- 저자 : Jen-Ruei Chen (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Advanced Application of Centralized Control for a Scanning Mirror System Based on EtherCAT Fieldbus
Ruei-Yu Huang,Yen-Jen Chen,Yu-Xian Chen,Chung-Wei Cheng,Mi-Ching Tsai,An-Chen Lee 제어·로봇·시스템학회 2021 International Journal of Control, Automation, and Vol.19 No.3
Distributed control is the most popular control strategy for controlling numerous slave devices. However, the performance of slave devices is hard to improve because the control algorithm is handled by the commercial slave devices. Therefore, this paper proposes a hybrid control structure that follows the concept of centralized control strategy and handles part of the control loop on the master computer in a distributed control system through EtherCAT fieldbus. In this study, different advanced control methods such as robust control and learning control were applied to handle the position control loop of a scanning mirror system in a selective laser melting (SLM) system with stringent demand of position error around 40 µm based on EtherCAT fieldbus. By designing a proper controller, the experiment results showed that the tracking performance was significantly improved. The tracking error dropped by about 80% after the proposed hybrid control structure was applied. By applying the proposed hybrid control structure, one can improve the high-performance-requirement devices, while reducing the calculationburden of the master computer for other low-performance-requirement devices by retaining the benefit of distributed Control.
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Hung-Chun Fu,Jen-Ruei Chen,Min-Yu Chen,Keng-Fu Hsu,Wen-Fang Cheng,An Jen Chiang,Yu-Min Ke,Yu-Chieh Chen,Yin-Yi Chang,Chia-Yen Huang,Chieh-Yi Kang,Yuan-Yee Kan,Sheng-Mou Hsiao,Ming-Shyen Yen 대한부인종양학회 2018 Journal of Gynecologic Oncology Vol.29 No.5
Objective: Choice of hysterectomy and adjuvant treatment for International Federation of Gynecology and Obstetrics (FIGO) 2009 stage II endometrioid endometrial cancer (EEC) is still controversial. Aims of this study were to evaluate survival benefits and adverse effects of different hysterectomies with or without adjuvant radiotherapy (RT), and to identify prognostic factors. Methods: The patients at 14 member hospitals of the Taiwanese Gynecologic Oncology Group from 1992 to 2013 were retrospectively investigated. Patients were divided into simple hysterectomy (SH) alone, SH with RT, radical hysterectomy (RH) alone, and RH with RT groups. Endpoints were recurrence-free survival (RFS), overall survival (OS), disease-specific survival (DSS), adverse effects and prognostic factors for survival. Results: Total of 246 patients were enrolled. The 5-year RFS, OS, DSS and recurrence rates for the entire cohort were 89.5%, 94.3%, 96.2% and 10.2%, respectively. Patients receiving RH had more adverse effects including blood loss (p<0.001), recurrent urinary tract infections (p=0.013), and leg lymphedema (p=0.038). Age over 50-year (HR=9.2; 95% confidence interval [CI], 1.2–70.9) and grade 3 histology (HR=7.28; 95% CI, 1.45–36.6) were independent predictors of OS. Grade 3 histology was an independent predictor of RFS (HR=5.13; 95% CI, 1.38–19.1) and DSS (HR=5.97; 95% CI, 1.06–58.7). Patients receiving adjuvant RT had lower locoregional recurrence (p=0.046), but no impact on survival. Conclusion: Different treatment modalities yield similar survival outcomes. Patients receiving SH with RT had lower locoregional recurrent with acceptable morbidity. Age and tumor grading remained significant predictors for survival among patients with FIGO 2009 stage II EEC.
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The 8th Biennial Meeting of the Asian Society of Gynecologic Oncology, December 1st to 3rd, 2023
Heng-Cheng Hsu,김재원,박정열,서동훈,김세익,Jen-Ruei Chen,Peng-Hui Wang 대한부인종양학회 2024 Journal of Gynecologic Oncology Vol.35 No.2
As per the 2018 GLOBOCAN database, Asia accounted for 48.7% (637,761) of new gynecologiccancer cases and 50.1% (305,000) of gynecologic cancer deaths [1]. Recognizing the distinctdifferences in genetic background, cancer epidemiology, disease characteristics, and socio-cultural environment between Asian and non-Asian women, it is noteworthy that much ofthe experimental evidence guiding clinical gynecologic oncology practices has historicallybeen drawn from studies in Western populations. Established in 2008, the Asian Society ofGynecologic Oncology (ASGO) ser ves as a key organization in Asia, dedicated to advancingthe study, prevention, and treatment of gynecological cancer through scientific exchange,regional/international collaboration, educational initiatives, and fostering camaraderieamong its members [2]. Presently, ASGO boasts members from over 10 countries in Asia. Building on the success of the previous meetings held in Tokyo (2009) [3], Seoul (2011)[4], Kyoto (2013) [5], Seoul (2015) [6], Tokyo (2017) [7], Incheon (2019) [8], and Bangkok(2021) [9], the eighth Biennial Meeting of ASGO took place at the state-of-the-art HNBKInternational Convention Center in Taipei, Taiwan, from December 01 to 03, 2023. Theoverarching theme for this event was “Reunion to Overcome Gynecologic Cancer in Asia.”Notably, due to the impact of the coronavirus disease 2019 pandemic in 2021, the meetingwas transformed into a hybrid format. This gathering marked a significant milestone as thefirst in-person Pan-Asia meeting focused on gynecological cancer following the pandemic. Additionally, it is worth highlighting that this was the inaugural ASGO meeting held outsideof Korea and Japan, underscoring the broadening geographical scope and global impactof the conference. Professor Peng-Hui Wang and Jae-Weon Jim chaired the organizingcommittee. ASGO 2023 witnessed the participation of 633 attendees from 17 countries,featuring 152 honored speakers and chairs from 12 countries. The event included 44 oral/surgical video presentations and 187 poster presentations, covering a diverse range ofscientific topics, from fundamental principles of gynecological cancer care to advanced, high-technology practices rooted in cutting-edge research (Table 1). Photos from the meetingare accessible on the official meeting website (http://tinyurl.com/26xtts2f ).
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