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This paper presents the design of an Interior permanent magnet (IPM) synchronous machine to improve machine performance by increasing saliency ratio and minimizing the leakage flux through the ribs and air barriers of an IPM machine. A bar-type IPM basic model is taken and two variables, variable 1 as factor-A and variable 2 as factor-B are analyzed. Factor-A is the radial distance of the rotor air...
In this study, we collected actual demand power data for small and medium sized industrial customers(SMEs) with high power consumption. Based on these collected data, a small microgrid system including a photovoltaic system and a battery system is constructed at a factory in a customer to improve power consumption efficiency. This system also includes a peak demand power controller to reduce the peak...
In this paper, we address the issue of the joint detection schemes for uplink cellular system when base station cooperation is possible for multi-cell users in multi-cell scenario. The ML, MMSE and MMSE based SIC detection are analyzed and evaluated. ML attains the optimal performance but the complexity increases exponentially. MMSE is simple but has poor detection performance and SIC has better performance...
In this paper, an electric power consumption analysis model and guidelines for power consumption reduction based on user activities for a home energy management service system are described. The activities are extracted from the time, identity, location, and power consumption of electric appliances with distributed power-strip-type smart sockets. The extracted activities are used for analysis of the...
The power consumption of electric appliances in the modern home is a useful information source for analysis of user activities along with the location and identity of the appliances. A context-aware residential service system provides proper user-oriented situation-adapted services by using this information. Thus precise power consumption monitoring is essential in order to provide satisfying services...
We analyzed the piezoelectric characteristics of inkjet printing system for electronics printing. The applications that were used were Actuator, MEMS, FPCB, RFID, Solar cell and LCD color filter, etc. Piezoelectric print head fires and controls ink droplet with consideration to ink viscosity properties. At this time, it was possible to print micro pattern on PCB metal by droplet control of piezoelectric...
Recent the electrical machines for electric home appliances require several design points such as compact size, high torque density, high efficiency and noise reduction and so on. In this paper, inner rotor type of IPMSM (interior permanent magnet synchronous motor) is designed focusing on improving efficiency and power factor and reducing cogging torque and size to improve characteristics for washing...
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