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This paper reports the feasibility of the impregnation of no-insulation (NI) high-temperature superconducting (HTS) coils using solder. NI coils are widely studied and used in many situations. To utilize an HTS coil under high mechanical loads such as field coils for rotating machines, the HTS tapes must be stabilized mechanically. Epoxy impregnation is a common method to protect the HTS field from...
The time of arrival (TOA) trilateration, which is one of the representative localization algorithms, estimates the location of the mobile station (MS) based on the received signals from at least three base stations (BS). The MS location is determined at a single intersecting point of three circles with radiuses corresponding to distances between MS and BSs and centers corresponding to BS's coordinates...
This paper provides definite results about the access delay of slotted Aloha with exponential back-off, an infinite number of stages, and queues in saturation. The analysis is performed leveraging a method recently introduced, which indicates a maximum throughput equal to 0.370 with binary back-off, and 0.4303 when the exponential back-off base is optimized, and using a delay offset equal to 2. Here...
We focus on the problem of computing tight deadline miss models for real-time systems, which bound the number of potential deadline misses in a given sequence of activations of a task. In practical applications, such guarantees are often sufficient because many systems are in fact not hard real-time. Our major contribution is a general formulation of that problem in the context of systems where some...
Field and simulation traffic data reveal that for some urban networks a well-defined Macroscopic Fundamental Diagram (MFD) exists, that provides a unimodal and low-scatter relationship between the network vehicle accumulation and outflow. Recent studies demonstrate that link density heterogeneity plays a significant role in the shape and scatter level of MFD and can cause hysteresis loops that deteriorate...
The present paper deals with the issues of robust impulsive synchronization of uncertain complex delayed dynamical networks from the view of dynamics and control. The prime characteristic of the model considered here is that the coupling functions can be linear or nonlinear, even unknown, which can well describe practical architectures of more realistic networks. Based on impulsive stability theory...
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