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Large-scale rotors in the paper and steel industry are called rolls. Rolls are reground at regular intervals and roundness measurements are made throughout the machining process. Measurement systems for roundness and diameter variation of large rolls (diameter <2000mm) are available on the market, and generally use two to four sensors and a roundness measurement algorithm. These methods are intended...
An emerging technology called Near Field Communication (NFC) is used to enable touch between mobile devices. This paper describes how a mobile social media system called 'Hot in the City' (HIC) enables people to make friend connections on the spot when they meet each other. We first describe the HIC system, and then explain how the visibility of friends is arranged in the system. The research focuses...
In this paper we report the experiences from a pilot test in which users used an NFC-based catering service system. Primarily, the aim of this paper is to present the requirements for improving the functionality of the NFC-based systems. These requirements are based on the experiences from the catering service pilot described in this paper. The NFC-based catering service system was used by logistics...
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