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Small-scale clouds (SCs) often suffer from resource under-provisioning during peak demand, leading to inability to satisfy service level agreements (SLAs) and consequent loss of customers. One approach to address this problem is for a set of autonomous SCs to share resources among themselves in a cost-induced cooperative fashion, thereby increasing their individual capacities (when needed) without...
Plastic extrusion is a typical plastic manufacturing process. After heating, plastic with high resilience and low viscosity, dependent on the temperature, are extruded from the nozzle. The change of the rheological properties will swell the extruded geometry and reduce the deposited surface quality and structure. Thus, the swelling phenomenon of the visco-elastic fluid during extrusion has become...
In this paper, we propose an efficient approach to identify the opinion leader from group discussion. This approach is able to recognize the opinion leader without analyzing semantic and syntactic features, which may cost a lot more computing effort. We firstly propose algorithms to evaluate the degree of participation and the emotion expression from the speaking of each member during group discussion...
We report on the development of a multi-axis force/torque sensor that is also a motor bracket, mounting between the motor and the frame. The shape of the bracket was designed to be sensitive to the two-axis forces and one-axis motor torque applied in the plane perpendicular to the direction of the motor shaft. By using four strain gauges, the described force/torque can be reconstructed. The relation...
The traditional IEEE 802.11 network is designed for the use of small scale local wireless networks such as home or campus WLANs, where one access point serves a reasonably few number of devices like smartphones, laptops, tablets, and so on. However, the emergence of the Internet of Things (IoT) have changed the scene of wireless communications, while the number of devices rapidly increases and becomes...
Based on an equivalent circuit model, the least-square curve fitting technique is proposed to quickly design optimum values of geometrical parameters of a dual-band Jerusalem-cross element for arbitrarily specifying any dual resonant frequencies. The validity of the least-square curve fitting technique is checked by comparing geometrical parameters and dual resonant frequencies of six Jerusalem-cross...
Using GPU for general computing has become an important research direction in high performance computing technology. However, this is not a lossless optimization method. Due to the impact of device initialization cost, data transmission delay, specific characteristics of programs, and other factors, the general computing on GPU may not always achieve the desired speedup, and sometimes results in program...
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