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Dynamic swarm particle for fast motion vehicle tracking
Jati, Grafika,Gunawan, Alexander Agung Santoso,Jatmiko, Wisnu Electronics and Telecommunications Research Instit 2020 ETRI Journal Vol.42 No.1
Nowadays, the broad availability of cameras and embedded systems makes the application of computer vision very promising as a supporting technology for intelligent transportation systems, particularly in the field of vehicle tracking. Although there are several existing trackers, the limitation of using low-cost cameras, besides the relatively low processing power in embedded systems, makes most of these trackers useless. For the tracker to work under those conditions, the video frame rate must be reduced to decrease the burden on computation. However, doing this will make the vehicle seem to move faster on the observer's side. This phenomenon is called the fast motion challenge. This paper proposes a tracker called dynamic swarm particle (DSP), which solves the challenge. The term particle refers to the particle filter, while the term swarm refers to particle swarm optimization (PSO). The fundamental concept of our method is to exploit the continuity of vehicle dynamic motions by creating dynamic models based on PSO. Based on the experiments, DSP achieves a precision of 0.896 and success rate of 0.755. These results are better than those obtained by several other benchmark trackers.
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Arief Rahman Hakim,Andang Widi Harto,Alexander Agung 한국원자력학회 2019 Nuclear Engineering and Technology Vol.51 No.1
One of proposed Accident Tolerant Fuel (ATF) concept is fully ceramic micro-encapsulated fuel (FCMF). FCMF using uranium mononitride (UN) has better safety aspects than UO2 pellet fuel although it mightnot have a better neutronic performance due to the presence of matrix and high neutron-inducedinteraction of 14N. Before implementing UN-FCMF technology in Small-PWR, further research must betaken place to make sure the proposed design of fuel assembly has inherent safety features and maintainthe fuel performance. This study focusses on the neutronic analysis of UN-FCMF based fuel assemblyusing Serpent and SCALE codes. It is shown in the proposed fuel assembly design has inherent safetyfeatures with respect to the fuel temperature reactivity coefficient, void reactivity coefficient, andmoderator temperature reactivity coefficient. It is noted that the use of FCMF leads to a lower ratio ofburnup to 235U enrichment ratio compared to the UO2/Zr fue
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