Journal of Electrical and Computer Engineering
Papers 827
1 page of 83 pages (827 results)
With the continuous development of artificial intelligence technology, the value of massive power data has been widely considered. Aiming at the problem of single-phase-to-ground fault line selection in resonant grounding system, a fault line selection method based on transfer learning depthwise separable convolutional neural network (DSCNN) is proposed. The proposed method uses two pixel-level image fusions to transform the three-phase current of each feeder into the RGB color image, which is u...
#1Yuhuang Zheng (UEW: University of Education, Winneba)H-Index: 2
The recognition of hand movements is an important method for human-computer interaction (HCI) technology, and it is widely used in virtual reality and other HCI areas. While many valuable efforts have been made, efficient ways to capture over 20 types of hand movements with high accuracy by one data glove are still lacking. This paper addresses a new classification framework for 52 hand movements. This classification framework includes the following two parts: the movement detection algorithm an...
#1Gamal Tharwat (Al-Azhar University)H-Index: 2
#2Abdelmoty M. Ahmed (Al-Azhar University)
Last. Belgacem Bouallegue (King Khalid University)H-Index: 3
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In recent years, the role of pattern recognition in systems based on human computer interaction (HCI) has spread in terms of computer vision applications and machine learning, and one of the most important of these applications is to recognize the hand gestures used in dealing with deaf people, in particular to recognize the dashed letters in surahs of the Quran. In this paper, we suggest an Arabic Alphabet Sign Language Recognition System (AArSLRS) using the vision-based approach. The proposed ...
#1Bowen Guo (SGCC: State Grid Corporation of China)
#2Songyuan Li (SGCC: State Grid Corporation of China)
Last. Pengfei Li (Pingdingshan University)
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Time-delay estimation of partial discharge (PD) ultrahigh-frequency (UHF) pulse signals is one of the effective means to diagnose the local defect of electrical equipment. In order to improve the time-delay estimation accuracy of a multielement PD UHF pulse signal sensor array and reduce the cost of the PD detection system, a fuzzy interpolation cross-correlation method for time-delay estimation of PD UHF pulse signals was proposed in this paper. Improving the signal sampling rate is an effectiv...
In view of the growing depletion of traditional fossil fuels and their adverse impact on natural environment, wind energy has gained increasing popularity across the globe. Characterized by wide distribution, low cost, and well-rounded technology, it has achieved fast-growing installed capacity in recent years. However, wind power is volatile and random in nature and the power ramping events caused by extreme weather always threaten the safe, stable, and economic operation of the power grid. To ...
#1Hui-Qiong Deng (Fujian University of Technology)H-Index: 1
#2Jie Luo (Fujian University of Technology)H-Index: 1
Last. Rong-Jin Zheng (Fujian University of Technology)H-Index: 1
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The operation and structure of the power system are becoming increasingly complex, and the probability of cascading fault increases. To this end, this paper proposes a cascading fault preventive control strategy that considers safety and the economy. First is to give a mathematical form to discriminate the cascading fault according to the action characteristics of the current-type backup protection. Second, the safety and economy of the system are evaluated in terms of power grid safety margin a...
#1Ashraf Radaideh (YU: Yarmouk University)H-Index: 4
#2Mu’men Bodoor (YU: Yarmouk University)
Last. Ayman Al-Quraan (YU: Yarmouk University)H-Index: 4
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This paper proposes an optimal gain-scheduling for linear quadratic regulator (LQR) control framework to improve the performance of wind turbines based Doubly Fed Induction Generator (DFIG). Active and reactive power decoupling is performed using the field-oriented vector control which is used to simplify DFIG’s nonlinearity and derive a compact linearized state-space model. The performance of the optimal controller represented by a linear quadratic regulator is further enhanced using the whale ...
#1J. C. Attachie (University of Mines and Technology)H-Index: 5
#2George Owusu (University of Mines and Technology)
Last. Shiphrah Ohene Adu (University of Mines and Technology)
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The rapid increase in wireless technology has enormously increased wireless control of lighting system in residential, commercial, and industrial settings of many countries across the world. However, this system lacks troubleshooting interface, making it very difficult for the identification of faults in the lighting system. This paper therefore seeks to improve on the wireless lighting system by incorporating into the system two types of sensors such as the current sensor and light dependent re...
#1Lamjed Touil (University of Monastir)H-Index: 8
#2Ismail Gassoumi (University of Monastir)H-Index: 4
Last. Abdellatif Mtibaa (University of Monastir)H-Index: 14
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This paper presents an optimized geometric greedy router (GGR) based on quantum dot cellular automata (QCA) technology. The proposed structure of GGR is based on a spanning tree of the network. This type of communication does not require an IP address. It uses only local information and can be used in many communication devices. In this paper, we first describe the principal components of the router and then we present their QCA architecture. The QCA technology is the most likely alternative to ...
#1Shilin Di (Ningxia University)
#2Lingzhi Cao (Ningxia University)
Last. Yongqi Ge (Ningxia University)H-Index: 4
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Three-dimensional plant model visualization (3D-PMV) is based on plant biology and the plant structure construction model for virtual simulation three-dimensional display, reflecting plant structure characteristics and demonstrating the growth process. In this work, we used the method of systematic mapping study (SMS) to screen the relevant literature in order to explore and analyze the methods and goals of virtual plant visualization research and to provide assistance in future literature revie...
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