Noppadol Chadil

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Due to the high cost of fossil-based energy, several methods are proposed to reduce the usage of the energy in logistics and fleet management to be even more. GPS tracking system is a common approach to get vehicle location information in real-time for fleet planning. We proposed a GPS tracking system called Goo-Tracking that is composed of commodity(More)
In this study, we demonstrate that traffic congestion areas could be identified by observing cell dwell time, which is the length of time that a mobile device remains registered to a base station until it switches to another base station in a cellular wireless network. Based on routine measurements from Bangkok roads and freeways in Thailand, we have found(More)
This paper presents a reconfigurable spherical robot. The reconfigurable spherical robot can be reconfigured into a form of two interconnected hemispheres with three legs equipped with three omni-directional wheels. A stable reconfiguration control algorithm is constructed to change the robot from spherical shape to two halves of interconnected hemispheres(More)
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