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Imaging of speed of sound (SOS) holds great promise for medical detection and diagnosis, since it is a quantitative, physical property of tissues not imaged by other means. The full Waveform Inversion (FWI) based method can build speed of sound images with high spatial resolution but it is computationally demanding. The iterative Algebraic Reconstruction Technique (ART) is a favored choice for fast...
To address the real-time measurement problem of underflow slurry concentration in hydrometallurgy, a soft sensor method based on time-difference partial least square (TD-PLS) is proposed. The time difference is utilized to overcome the data misalignment problem caused by the slurry crystal on the surface of sensors. The input secondary variables of the method are time difference press value relative...
Forwarding strategy is the key feature of Named Data Networking (NDN) to realize dynamic, adaptive and intelligent forwarding, but work in this area is still at a very preliminary stage. In this paper, selecting which forwarding interface among multiple alternatives in NDN is defined as a multiple attribute decision making (MADM) problem and a maximizing deviation based probabilistic forwarding (MDPF)...
There is an urgent need to check and salvage foreign objects for the nuclear power plant. A 4-DOF underwater manipulator served for nuclear power plant can complete the examination, salvage or other actions for the nuclear power station reactor core and foreign objects in the pool. In this paper, several researches on 4-DOF underwater manipulator served for nuclear power plant are carried out as follows:...
This paper proposed a linear method for calculating motion of a rigid-body from two views provided that static 3D reconstruction has been completed. The succinct method does not involve the fundamental matrix, and the point correspondence procedure in 3D reconstruction is reused. QR decomposition is adopted to solve linear equation set and thus obtain motion vector. Furthermore, an iterative process...
This paper proposes a forward concurrent reasoning method for rule-based systems using the defined fuzzy colored Petri nets (FCPN). The major differences between the proposed method and the conventional ones are described as follows. Firstly, weighted inference is taken to realize a more reliable and flexible reasoning manner. Secondly, conformal partitioned matrix theory is utilized to achieve forward...
The performance of flow lines is significantly affected by the failures and the repair activities that the machines go through. The manufacturing process models based on Petri nets with time are developed for single work station, including a stochastic failure process and a repair process. The models consider two failure detection modes and three interrupted-job-handling policies. To study the influence...
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