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MID- AND FAR-INFRARED PROPERTIES OF LOCAL ACTIVE GALACTIC NUCLEI
Ichikawa, Kohei,Ueda, Yoshihiro,Terashima, Yuichi,Oyabu, Shinki,Gandhi, Poshak,Matsuta, Keiko,Nakagawa, Takao The Korean Astronomical Society 2012 天文學論叢 Vol.27 No.4
We investigate the mid-infrared (MIR) to far-infrared (FIR) properties of a nearly complete sample of local active galactic nuclei (AGNs) detected in the Swift/Burst Alert telescope (BAT) all-sky hard X-ray (14-195 keV) survey, based on the cross correlation with the infrared survey catalogs of AKARI, IRAS and WISE. Out of 135 non-blazar AGNs in the Swift/BAT 9-month catalog, we obtain the MIR photometric data for 128 sources in either the 9, 12, 18, 22, and $25{\mu}m$ band. We find a good correlation between their hard X-ray and MIR luminosities ranging three orders of magnitude (42 < log ${\lambda}L_{\lambda}$(9, $18{\mu}m$) < 45), which is tighter than that with the FIR luminosities at $90{\mu}m$. Both X-ray unabsorbed and absorbed AGNs follow the same correlation, implying isotropic infrared emission, as expected in clumpy dust tori models rather than homogeneous ones.
Development of Knee Joint Robot for Students Becoming Therapists
Yoshie Maeda,Tatsuya Hirano,Noritaka Sato,Yoshifumi Morita,Hiroyuki Ukai,Kouji Sanaka,Keiko Takao,Ayako Satonaka 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
Students becoming physical therapists (PT) or occupational therapists (OT) cannot experience rehabilitation for actual patients’ troubles before clinical training. For this reason we have developed the knee joint robot imitating patients" troubles such as range of motion trouble, contracture, rigidity, spasticity and so on. Therefore students can experience rehabilitation for patients’ troubles virtually by using the robot. Moreover, from the standpoint of educational effect we have to develop a training program using the robot for the students to learn skilled manual therapy techniques for patients’ troubles. In this paper, we propose a training program consisting of the monitoring system, the force display system, the supervisory system and the evaluation system. Firstly, we develop monitoring function in which the graphs of robot’s angle, velocity and their appropriate values for training are displayed during training. Secondly, we develop simulation algorithms of clonus and hypertonia occurring in manual therapy. Lastly, we develop an evaluation method of manual therapy techniques for a patient with hypertonia.
Phua, Mui-How,Ling, Zia-Yiing,Wong, Wilson,Korom, Alexius,Ahmad, Berhaman,Besar, Normah A.,Tsuyuki, Satoshi,Ioki, Keiko,Hoshimoto, Keigo,Hirata, Yasumasa,Saito, Hideki,Takao, Gen Institute of Forest Science 2014 Journal of Forest Science Vol.30 No.2
Estimating above-ground biomass is important in establishing an applicable methodology of Measurement, Reporting and Verification (MRV) System for Reducing Emissions from Deforestation and Forest Degradation-Plus (REDD+). We developed an estimation model of diameter at breast height (DBH) from IKONOS-2 image that led to above-ground biomass estimation (AGB). The IKONOS image was preprocessed with dark object subtraction and topographic effect correction prior to watershed segmentation for tree crown delineation. Compared to the field observation, the overall segmentation accuracy was 64%. Crown detection percent had a strong negative correlation to tree density. In addition, satellite-based crown area had the highest correlation with the field measured DBH. We then developed the DBH allometric model that explained 74% of the data variance. In average, the estimated DBH was very similar to the measured DBH as well as for AGB. Overall, this method can potentially be applied to estimate AGB over a relatively large and remote tropical forest in Northern Borneo.
Development of Knee Joint Robot for Students Becoming Therapist
Yoshifumi Morita,Yuki Kawai,Yusuke Hayashi,Tatsuya Hirano,Hiroyuki Ukai,Kouji Sanaka,Hironori Nakamuta,Keiko Takao 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
The authors are developing a knee joint robot as an educational tool for students becoming physical therapist (PT) or occupational therapist (OT). The robot can simulate some problems of a knee joint, such as range of motion trouble, contracture, rigidity, spasticity and so on. The robot has a knee joint mechanism to realize not only flexion/extension movement but also inner/outer rotation movement, which is based on the idea of rolling, sliding and coming off movement. In addition the robot has the wire drive system to control the knee joint passive movement. In this paper we design optimal arrangement of four pulleys in the wire drive system by introducing performance indices. In addition we design control algorithms to imitate two kinds of knee joint troubles and verify the effectiveness by fundamental experiments.
Mui-How Phua,Zia-Yiing Ling,Wilson Wong,Alexius Korom,Berhaman Ahmad,Normah A. Besar,Satoshi Tsuyuki,Keiko Ioki,Keigo Hoshimoto,Yasumasa Hirata,Hideki Saito,Gen Takao 강원대학교 산림과학연구소 2014 Journal of Forest Science Vol.30 No.2
Estimating above-ground biomass is important in establishing an applicable methodology of Measurement, Reporting and Verification (MRV) System for Reducing Emissions from Deforestation and Forest Degradation-Plus (REDD+). We developed an estimation model of diameter at breast height (DBH) from IKONOS-2 image that led to above-ground biomass estimation (AGB). The IKONOS image was preprocessed with dark object subtraction and topographic effect correction prior to watershed segmentation for tree crown delineation. Compared to the field observation, the overall segmentation accuracy was 64%. Crown detection percent had a strong negative correlation to tree density. In addition, satellite-based crown area had the highest correlation with the field measured DBH. We then developed the DBH allometric model that explained 74% of the data variance. In average, the estimated DBH was very similar to the measured DBH as well as for AGB. Overall, this method can potentially be applied to estimate AGB over a relatively large and remote tropical forest in Northern Borneo.