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The traditional one-dimensional (1D) electromechanical impedance model simplifies the PZT as a thin bar, only considering the vibration in the axial direction, and the vibrations in other two directions are neglected. In this study, the vibrations of the PZT patch in x and z directions are taken into account to model the electromechanical coupling interaction between the PZT transducer and the host...
Under the "new normal" national construction, wisdom tourism must be chosen in Wuxi to maintain competitive advantages of sustainable development. By field researches and reviews of the literature, we select three experiences (scenic type, tourism service and tourism expenses) to make the simplified definition of the tourist satisfaction degree. Meanwhile, evaluating factors of this degree...
Brain waves are classified as gamma, beta, alpha, theta, and delta waves to quantify brain activity and can be approximated as sinusoidal waves of different frequencies. In this work, we use sinusoidal waves at two different frequencies to control chaos in a chaotic neural network (CNN) to explore the effect of multi-frequency sinusoidal waves in chaos control. We propose two methods to control chaos...
Simulation model of micro-grid including a direct-drive wind power generation, two sets of power-controlled distributed generations (DGs) and a three-phase fault module was investigated in Matlab/simulink. Based on the constructed model, the operating process switched from island mode to grid-connected mode was simulated and the voltage variance signal was detected with Daubechies(Db) wavelet. The...
Maneuvering Reentry Vehicle using Infrared(IR) imaging terminal guidance is vulnerable to interference which cause the seeker lost target. According to this problem, first, this paper presents a counter target lost Algorithm which combined passive location based on Modified Gain Extended Kalman Filter (MGEKF) and virtual guidance method to rebuild guidance information. Then the passive location accuracy...
Team has become one of the most important strategic resources in the organization. However, the overall effect of team is often difficult to achieve in the practical application of team in China's enterprises. According to the investigation of high technology innovation teams and the relative literature reviews, the team climate is an important influencing factor for achieving the overall effect of...
This paper addressed the scheduling problem in a press job shop environment. A heuristic-based scheduling model is proposed by analyzing the characteristics of bi-directional press line. The objective is to improve the machine utilization rates and to balance the load of production lines, with the consideration of machine constraints, operation constraints and batch constraints. A novel heuristic...
This paper presents a comparison between two algorithms that analyze and extract brain perfusion parameters from pulsed arterial spin labeling (ASL). One algorithm is based on the Four Phase Single Capillary Stepwise (FPSCS) model, which divides the time course of the signal difference between the control and labeled image into four phases. The other algorithm utilizes the Buxton model and Fourier...
The priority queue model divides CR (cognitive radio) system users into primary user and secondary user. The primary user has preemptive priority over secondary user, while the same priority level users are FIFO served. This paper models the CR system based on scheduling technology. The secondary users are further divided into different priority levels. A hybrid priority dynamic policy, which indicates...
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