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Keiji Suzuki,Yukinori Kakazu 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
This paper proposes a new framework of an autonomous and distributed flexible manufacturing system-Multi Client Robot Groups(MCR)-and describes a stochastic learning scheme applied to managerial problems of the system. The MCR is composed of groups of manufacturing robots, named Client Robots(CRs), which are capable of both versatility and independence in their performances. The MCR is expected to have high performance because the MCR can perform concurrent and corporative processing. However, the system performance is determined by the organizations of the CR groups. Therefore the treatment of the managerial problems and organizations of the system are important problems. In this paper, it is assumed that CR groups being able to processing tasks are selected stochastically based on the strengths of the robot groups. The learning scheme adjusting the strength is introduced to organize the groups in the system and control the each performance of the groups according to the total system performance. Finally, some experimental results of the learning scheme are shown.
Assessment of Circulatory Status of the Newborn in the Neonatal Intensive Care Unit
Keiji Suzuki 대한신생아학회 2016 Neonatal medicine Vol.23 No.2
Birth is a moment of transition from intra- to extra-uterine life, which is characterized as switching of gas-exchanging organs from the placenta to the lungs. It is achieved by aeration as well as perfusion of the lungs (increase in pulmonary blood flow). This is, without doubt, the most challenging event in human life. Assessment of circulatory status of the newborn in this critical period is challenging as well. For monitoring those tiny, vulnerable, and unstable creatures, technology requires non-invasiveness and a reasonably high signal/noise ratio. Conventionally, we have monitored circulatory status of newborns by inspection and physical examination, including vital signs such as body temperature, skin color, heart rate and blood pressure. Echocardiography was introduced in the 1980’s and its function has been developing and advancing ever since. It is certainly the most powerful tool for both the assessment and management of circulation in the newborn infants. Although echocardiography is actually not a ‘continuous monitor’ but an ‘intermittent check-up'. Its disadvantage can be overcome to some extent by performing it quickly and frequently. However, some novel methods for monitoring circulation are being developed and becoming available in clinical neonatology. For example, near-infrared spectroscopy, electrical cardiometry and laser Doppler flowmetry may be useful for monitoring other aspects of circulation.
Cathodic Reaction of Perovskite Oxide Electrodes on a Proton Conducting Electrolyte
Suzuki, Kota,Hashimoto, Shin-ichi,Yashiro, Keiji,Amezawa, Koji,Kawada, Tatsuya The Electrochemical Society 2013 ECS transactions Vol.57 No.1
<P>Cathodic reaction of protonic ceramic fuel cells (PCFCs) using SrZrO<SUB>3</SUB> based proton conducting electrolyte with perovskite oxide cathode is studied. A dense La<SUB>0.6</SUB>Sr<SUB>0.4</SUB>CoO<SUB>3</SUB> (LSC) film is fabricated on 10mol% Y-doped SrZrO<SUB>3</SUB> (SZY) electrolyte using pulsed laser deposition (PLD) method as a cathode. Cathodic performance of the dense LSC electrode is evaluated using AC impedance measurement and Secondary Ion Mass Spectroscopy (SIMS) analysis. Impedance spectra suggest that LSC dense film play a role as proton blocking electrode. SIMS analysis reveals that proton concentration in LSC dense film is higher than bulk of LSC, and there is no concentration gradient in LSC and SZY. Therefore, it is suggested that proton surface exchange rate of LSC is very low.</P>
Keiji Matsuba,Apirada Padlom,Anchalee Khongpradit,Phoompong Boonsaen,Prayad Thirawong,Suriya Sawanon,Yutaka Suzuki,Satoshi Koike,Yasuo Kobayashi 아세아·태평양축산학회 2019 Animal Bioscience Vol.32 No.10
Objective: The present study was conducted to select a plant oil without inhibitory effects on rumen fermentation and microbes, and to determine the optimal supplementation level of the selected oil in a series of in vitro studies for dietary application. Then, the selected oil was evaluated in a feeding study using Thai crossbred beef cattle by monitoring growth, carcass, blood and rumen characteristics. Methods: Rumen fluid was incubated with substrates containing one of three different types of plant oil (coconut oil, palm oil, and soybean oil) widely available in Thailand. The effects of each oil on rumen fermentation and microbes were monitored and the oil without a negative influence on rumen parameters was selected. Then, the dose-response of rumen parameters to various levels of the selected palm oil was monitored to determine a suitable supplementation level. Finally, an 8-month feeding experiment with the diet supplemented with palm oil was carried out using 12 Thai crossbred beef cattle to monitor growth, carcass, rumen and blood profiles. Results: Batch culture studies revealed that coconut and soybean oils inhibited the most potent rumen cellulolytic bacterium Fibrobacter succinogenes, while palm oil had no such negative effect on this and on rumen fermentation products at 5% or higher supplementation level. Cattle fed the diet supplemented with 2.5% palm oil showed improved feed conversion ratio (FCR) without any adverse effects on rumen fermentation. Palm oil-supplemented diet increased blood cholesterol levels, suggesting a higher energy status of the experimental cattle. Conclusion: Palm oil had no negative effects on rumen fermentation and microbes when supplemented at levels up to 5% in vitro. Thai crossbred cattle fed the palm oil-supplemented diet showed improved FCR without apparent changes of rumen and carcass characteristics, but with elevated blood cholesterol levels. Therefore, palm oil can be used as a beneficial energy source.