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In named data networking (NDN), content store (CS) is proposed to provide on-path cache service. When user’s request with content name is forwarded to NDN node, exact match in CS is carried out first. Under moderate cache hit ratio, most requests result in mismatch in CS searching process, which causes large overhead to the packet forwarding, and the overhead would rise as the scale of CS increases...
Nanopositioning proposes a high demand for its control system. However, hysteresis, a common nonlinear phenomenon existing in piezoelectric actuator, decreases precision of nanopositioning. In this paper, active disturbance rejection control (ADRC) is designed to estimate and cancel the influence of hysteresis, and integral time absolute error (ITAE) optimal index is chosen to determine the parameters...
In this paper the impact of distributed generation and adverse weather on distribution network reliability is studied. This paper illustrates a distribution network reliability calculation model that considering act of weather and DG, and the maximum economic benefits was used as objective function to determine the island. Then improves the minimal path method of the traditional reliability calculation...
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