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Open Lead Detection Based on Logical Change Caused by AC Voltage Signal Stimulus
Akira Ono,Masahiro Ichimiya,Hiroyuki Yotsuyanagi,Masao Takagi,Masaki Hashizume 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
In this paper, we propose a new test method for detecting an open lead which occurs when an IC is mounted on a printed circuit board. In the method, an open lead is detected by observing output logical change of an open lead detector. Since the test method is a vectorless test one, test generation and test input application are not needed. Testability of the test method is examined by some experiments. The results show that open leads of SSIs and LSIs will be detected by the method.
Observation of disossiative recombination in the hydrogen sheet plasma
akira Tonegawa,Hiroie MATSUMOTO,Hiroyuki YAZAWA,Kazutaka KAWAMURA,Masataka ONO,Takehisa SHIBUYA 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.III
The experimental observation of dissociative recombination in Molecular Assisted Recombination (MAR) for hydrogen detached plasma has been studied in the linear divertor plasma simulator, TPD-SheetIV. Measurements of the relative concentrations of atomic and molecular ions (nH+, n+ H2, and n+ H3), electron density (ne), electron temperature (Te), and heat load to the target plate (Q) were carried out in hydrogen detached plasma with hydrogen gas puff at varying discharge current. An “omegatron” mass analyzer, situated behind a small hole of the endplate, is used for analyzing ion species. It is shown from these results that the dominant molecular process is a dissociative recombination process via H+ 2 , H+ 3 in the plasma over the range of low plasma density (<5 × 1018 m.3) and low hydrogen pressure (<4 mTorr). In contrast, molecular assisted dissociation (MAD) always dominates over the MAR in the high density plasma (>5 × 1018 m.3).
Detached plasma control by H- / D- negative ion in divertor simulator
akira Tonegawa,Hiroyuki YAZAWA,Kazutaka KAWAMURA,Masataka ONO,Syusaku MAETA 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.III
We have developed a new way to stably maintain a detached hydrogen or deuterium plasma based on feedback control of the relative negative-ion (H.or D.) density in the linear divertor plasma simulator, TPD-SheetIV. Measurements of the relative negative ion density, nH.or nD., heat load to the target plate, Q, and the secondary gas-flow rate, Gdiv, were carried out as a function of neutral pressure in the plasma. The detached plasma is steadily maintained in the region of the target plate by rapidly varying Gdiv so as to maximize the value of the n.Hor n.Dand to keep the gas pressure constant. The new system has achieved the goal of reducing both Q and the amount of Gdiv in a detached plasma without radiative and three-body recombination processes.
A Study of the Effects of Smoking on Recognition of Symptoms and Subjective Health
Sachie Ono,Akira Komatsuzaki,Yasuno Yokoi,Takeshi Kamoda 대한예방치과학회 2020 International Journal of Clinical Preventive Denti Vol.16 No.2
Objective: The purpose of this study is to investigate the relationships between smoking and recognition of oral and general symptoms, outpatient visits, and subjective health were analyzed. Methods: Anonymous data were obtained for 16,262 people from the Japanese national survey in 2013, and the data for 7,908 people in the 40- to 79-year age group were analyzed. Items for analysis were smoking, drinking, and other lifestyle habits, recognition of oral and general symptoms, outpatient visits, and subjective health. Results: The percentage of smokers was higher among those with no respiratory symptoms (26.7%, p<0.01), those who did not have outpatient visits (25.7%, p<0.01), and alcohol drinker (30.7%, p<0.01). On logistic regression analysis, the odds ratio for subjective health was significant for having subjective symptoms (8.766, p<0.01), stress (4.050, p<0.01), and being a smoker (1.250, p=0.058). Conclusion: Comparisons of the percentage of smokers by recognition of symptoms and outpatient visits suggest that the public is becoming well-informed, but that stronger smoking cessation guidance for dental health may be necessary.
An Action-Selection Strategy Insensitive to Parameter-Settings in Reinforcement Learning
Kenji Ono,Kazunori Iwata,Akira Hayashi 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
Markov decision processes are one of the most popular frameworks for reinforcement learning. The entropy of probability density functions of Markv decision processes is referred to as the stochastic complexity. The stochastic complexity is helpful for tuning the parameters of an action-selection strategy to alleviate the exploration-exploitation dilemma. In this paper, we improve an action-selection strategy to make it insensitive to parameter-settings by using the stochastic complexity. This gives better policies for alleviating the above dilemma in most parameter-settings.
Effect of Arrangement of Input Gates on Logic Switching Characteristics of Nanodot Array Device
JO, Mingu,KATO, Yuki,ARITA, Masashi,ONO, Yukinori,FUJIWARA, Akira,INOKAWA, Hiroshi,TAKAHASHI, Yasuo,CHOI, Jung-Bum 'Institute of Electronics, Information and Communi 2012 IEICE transactions on electronics Vol.95 No.5