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Modeling of a radio-controlled car with camera based on system identification
Hiroshi Kusano,Koichi Hidaka 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
This paper describes a modeling of movement object. A auto driving of the car is studied to reduce traffic accidents and traffic jam in late years. The experiment tries there control with the radio controlled car which did movement same as a car. The control of the radio controlled car controls the steering voltage on speed uniformity this time. The control method usually uses model predictive control. The precision of the model becomes important for the model predictive control. To give the precision of model, a system model of straight line and curve line is necessary for the model of the radio controlled car. Since these movements of the radio controlled car are different, these model do not become the same models. The model of the car on curve needs closed loop identification with impossibility by open loop identification. Therefore, we examine the model of straight line using closed loop identification model to consider proper model.
Structure-Zone Modeling of Sputter-Deposited Thin Films: A Brief Review
Eiji Kusano 한국진공학회 2019 Applied Science and Convergence Technology Vol.28 No.6
In this paper, the structure zone model (SZM) for sputter-deposited thin films is reviewed through a systematic discussion of the dependence of film structure and properties on the discharge pressure and homologous substrate temperature. The SZM is applicable to the sputter-deposited metal and metal oxide thin films with a film thickness ranging from a few to several hundred nanometers. Furthermore, the SZM is evolved for the sputter-deposition of films through energization of the sputtered particles by replacing the axis of the deposition pressure with that of the effective energy per depositing atom. The results suggest that the SZM is valid as a conceptual diagram with respect to optimizing film-deposition conditions for industrial applications.
TWIST AND CONNECTIVITY OF MAGNETIC FIELD LINES IN THE SOLAR ACTIVE REGION NOAA 10930
Inoue, S.,Kusano, K.,Magara, T.,Shiota, D.,Yamamoto, T. T. IOP Publishing 2011 The Astrophysical journal Vol.738 No.2
<P>Twist and connectivity of magnetic field lines in the flare-productive active region NOAA 10930 are investigated in terms of the vector magnetograms observed by the Solar Optical Telescope on board the Hinode satellite and the nonlinear force-free field (NLFFF) extrapolation. First, we show that the footpoints of magnetic field lines reconstructed by the NLFFF correspond well to the conjugate pair of highly sheared flare ribbons on the Ca II images, which were observed by Hinode as an X3.4 class flare on 2006 December 13. This demonstrates that the NLFFF extrapolation may be used to analyze the magnetic field connectivity. Second, we find that the twist of magnetic field lines anchored on the flare ribbons increased as the ribbons moved away from the magnetic polarity inversion line in the early phase of the flare. This suggests that magnetic reconnection might commence from a region located below the most strongly twisted field. Third, we reveal that the magnetic flux twisted more than a half turn and gradually increased during the last one day prior to the onset of the flare, and that it quickly decreased for two hours after the flare. This is consistent with the store-and-release scenario of magnetic helicity. However, within this active region, only a small fraction of the flux was twisted by more than one full turn and the field lines that reconnected first were twisted less than one turn. These results imply that the kink mode instability could hardly occur, at least before the onset of flare. Based on our results, we discuss the trigger process of solar flares.</P>