This paper presents a sliding mode control scheme to control a class of electro-hydraulic actuator system. A reaching law and varying boundary layers approaches are proposed in the scheme. The reaching law is aimed to...
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The work presents a new technique for the detection of percentage of electrolytes in a flame using digital photography and image processing. Various samples containing different concentrations of alkali metals like so...
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This paper describes some experimental study on Monte Carlo Localization(MCL) approach of a mobile robot. The proposed method uses ultrasonic range data for localization. Ultrasonic signal is generated and radiated fr...
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This paper proposes a method for localization of an underwater robot. The method uses Monte Carlo algorithm called the particle filter. It predicts the pose of the robot using the internal sensor information from thru...
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Recently as the incidences of terrorism and crime increase, the utilization of video surveillance system such as CCTV is increased. The increase of video surveillance system is useful in maintaining the safety of peop...
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Recently, microrobots have been the subject of a large number of studies, and contests are held throughout the year with the aim of developing microrobot technologies. As a result, various types of microrobots have be...
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In this paper, we derive an exact outage probability and average channel capacity for the Nth best opportunistic adaptive decode-and-forward (OADF) relay systems over Rayleigh fading channels. Based on error-events at...
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With improvements in electronics and integrated safety systems, modern day cars are much safer than their predecessors. Unfortunately, cost is a very strong driving factor, when it comes to installation of a multitude...
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In this paper a detailed study of small hydro power plant, a novel technique to reduce the size of the dump load, auomatic generation control, its simulation and case study of Mankulam small hydro plant etc. is done. ...
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The effect of adding hydrogen gas (H2) when depositing a zinc oxide (ZnO) thin film in a thin film transistor (TFT) using the ZnO as the channel layer on the electrical characteristics of the ZnO-TFTs, particularly th...
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The effect of adding hydrogen gas (H2) when depositing a zinc oxide (ZnO) thin film in a thin film transistor (TFT) using the ZnO as the channel layer on the electrical characteristics of the ZnO-TFTs, particularly the change in the characteristics according to long-term exposure to air, was investigated. As the amount of added H2 gas was increased, the resistivity of ZnO films was monotonously decreased and their crystallinity was weakened. Compared with the TFT using a ZnO without H2 addition, the threshold voltage (Vth) decreased and the on/off current ratio (Ion/Ioff) greatly increased, if the amount of H 2 entry was small (≤ 0.3 sccm). However, when an excessive (≥ 0.5 sccm) amount of H2 was added, the TFT's properties deteriorated. In addition, the ZnO TFTs showed a positive Vth-shift with increased air exposure time. The analysis using the X-ray photoelectron spectroscopy (XPS) confirmed that this was attributed to the reduction of oxygen vacancies due to air exposure. It was noticed that the TFTs that were manufactured using ZnO films with H2 addition showed significant suppression of the V th-shift according to air exposure.
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