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In this paper, we propose feature point matching as a method for performing authenticity inspection by image recognition, determine local features suitable for detection, and compare detection accuracy when various image processing is applied as preprocessing of detection. Experimental results show that detection accuracy is improved by using a smoothed image for SIFT features and a binary image for...
The aim of this study is to develop new room temperature vulcanization (RTV) silicone rubber nanocomposites for application to outdoor polymer insulator. This paper deals with effects of addition of nano-scale boehmite filler on tracking, erosion resistance and arcing resistance of silicone rubber. The inclined plane test and the arc resistance test were performed. As a result, it was elucidated that...
A number of laser Doppler blood flow sensors have been developed over the past few decades. However, they remain uncommon in practice. This is because the contact pressure between the skin and the sensor is not measured simultaneously with blood flow, despite the fact that blood flow is greatly affected by contact pressure. Thus, reliable and highly reproducible measurement of blood flow could not...
Road traffic condition in cities are complicated by the daily, weekly, seasonally, and weather-induced traffic demand fluctuations and the effects caused by the control of traffic signals. Therefore, it is difficult to quantitatively analyze typical traffic congestion patterns that are represented by the time and place of occurrence, the process of propagation and diminution, duration time, and many...
This paper concerns black-box modeling of a radio-controlled (RC) coxial miniature helicopter by closed-loop subspace model identification with a multi-input and multi-output (MIMO) state space model, as well as model-based control design of hovering flight using the identified black-box model. The RC helicopter has 6 degrees of freedom (6-DOF) in its motions, namely, the lateral (left/right), vertical...
The aim of this study is to promote the development of a new functional polymer nanocomposite for application to outdoor polymer insulator. This paper deals with effects of addition of nano-scale silica filler on erosion and tracking resistance, arcing resistance, flame resistance, hydrophobicity, mechanical and electrical property of silicone rubber. As a result, it was elucidated that the addition...
Silicone rubber nanocomposites were newly prepared for outdoor insulation in laboratory scale. This paper deals with the effects of addition of nano scale silica filler on tracking and erosion resistance of silicone rubber. Silica (SiO2) particles of 7 nm, 40 nm, 0.5 µm and 22 µm in average of primary particle size were used as silica fillers. For effective mixing nano filler, an ultrasonic homogenizer...
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