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334 results on '"Yang, Jiangtao"'

1. A Trajectory Planning Method for Optimal Energy Consumption of the Hydraulic Excavator

Author

Zhang Yunyue, Sun Zhiyi, Sun Qianlai, Wang Yin, and Yang Jiangtao

Subjects
Hydraulic excavator, T-type velocity curve, Trajectory planning, Optimal energy consumption, Mechanical engineering and machinery, TJ1-1570
Abstract

In order to reduce the movement energy consumption of the hydraulic excavator and realize the reasonable and effective operation of each joint, a joint interpolation method based on a T-type velocity curve is proposed to realize the optimal energy consumption trajectory planning of the hydraulic excavator. In this method, the speed of each joint is set as uniform acceleration, constant velocity, and uniform deceleration to ensure the stability of the hydraulic excavator in the operation process. Under the constraint conditions of the joint angle, angular velocity, and angular acceleration, the improved adaptive genetic algorithm is used to optimize the uniform acceleration (deceleration) and constant velocity motion time of each joint, obtain the optimal motion curve of each joint, and realize the optimal energy consumption trajectory planning of the hydraulic excavator. The interpolation programming method based on the T-type velocity curve is simulated and compared with the interpolation results of the quartic polynomial under the same conditions. The experimental results show that the trajectory planned by this method has low energy consumption, avoids unnecessary movement of each joint, effectively reduces friction loss, and makes the excavator complete the operation smoothly and with low energy consumption.

Published
2024
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15. TransPND: A Transformer Based Pulmonary Nodule Diagnosis Method on CT Image

Author

Wang, Rui, Zhang, Yangsong, Yang, Jiangtao, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Yu, Shiqi, editor, Zhang, Zhaoxiang, editor, Yuen, Pong C., editor, Han, Junwei, editor, Tan, Tieniu, editor, Guo, Yike, editor, Lai, Jianhuang, editor, and Zhang, Jianguo, editor

Published
2022
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24. Research and Simulation of Rain Attenuation Time Series at Q/V Bands

Author

Yang, Jiangtao, Zhang, Chen, Huang, Yonghua, Zhang, Gengxin, Akan, Ozgur, Editorial Board Member, Bellavista, Paolo, Editorial Board Member, Cao, Jiannong, Editorial Board Member, Coulson, Geoffrey, Editorial Board Member, Dressler, Falko, Editorial Board Member, Ferrari, Domenico, Editorial Board Member, Gerla, Mario, Editorial Board Member, Kobayashi, Hisashi, Editorial Board Member, Palazzo, Sergio, Editorial Board Member, Sahni, Sartaj, Editorial Board Member, Shen, Xuemin (Sherman), Editorial Board Member, Stan, Mircea, Editorial Board Member, Jia, Xiaohua, Editorial Board Member, Zomaya, Albert Y., Editorial Board Member, Wu, Qihui, editor, Zhao, Kanglian, editor, and Ding, Xiaojin, editor

Published
2021
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31. Result of a Pilot External Quality Assessment Scheme for Clinical Diagnosis of Inherited Metabolic Disorders in China

Author

Du, Yuxuan, primary, Jiang, Panpan, additional, Yang, Jiangtao, additional, Zhao, Ming, additional, Wu, Liping, additional, Hui, Yufan, additional, Geng, Guoxing, additional, Lai, Guangrui, additional, Li, Wei, additional, Mao, Jiuzhong, additional, Zhang, Min, additional, Ji, Xiang, additional, Qiu, Li, additional, Liu, Yi, additional, Gan, Xinhui, additional, Li, Dongxiao, additional, He, Hongqin, additional, Liu, Xiangju, additional, Wang, Yanmin, additional, Hao, Shengju, additional, Zhang, Pengyi, additional, Yu, Chaowen, additional, Miao, Jingkun, additional, Jiang, Yongmei, additional, Gu, Xuefan, additional, Jiang, Jianhui, additional, Zhang, Bijun, additional, Wang, Xiaojian, additional, Wang, Zhiguo, additional, Wang, Wei, additional, and Yang, Yanling, additional

Published
2024
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34. Human Action Recognition Based on Fusion Features

Author

Yang, Shiqiang, Yang, Jiangtao, Li, Fei, Fan, Guohao, Li, Dexin, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Xu, Zheng, editor, Choo, Kim-Kwang Raymond, editor, Dehghantanha, Ali, editor, Parizi, Reza, editor, and Hammoudeh, Mohammad, editor

Published
2020
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38. Investigation on Performance of Multiple Three-Phase Electrical Machine With Star–Delta Windings

Author

Yu, Jianzong, Yang, Jiangtao, Dai, Shaoren, Wang, Zhenyu, Li, Qing, Huang, Sheng, and Huang, Shoudao

Abstract

The electrical machines with fractional slot windings have been widely investigated. The main challenge of this type of machines is that the magnetomotive force (MMF) harmonics of armature winding is rich, which would lead to torque ripple, eddy current loss, and other adverse effects. In this article, multiple three-phase star–delta windings connection for multiphase electrical machine is proposed, which can efficiently reduce the MMF harmonics of armature winding. First, the general principle of harmonic elimination of multiphase electrical machine with multiple star—delta winding connection is deduced. Then, the influence of multiple star–delta windings of machines with different slot/pole combinations on MMF harmonics of armature winding is investigated. To verify the theoretical analyses, the models of permanent magnetic machine with 24-slot and 36-slot are established, and the multiple star–delta windings is compared with the conventional three-phase, star–delta windings and multiple three-phase windings in terms of torque, torque ripple, loss, vibration, and so on, so as to evaluate the superiority of this connection method. Finally, a prototype with 24-slot/10-pole is manufactured and tested. The test results verify the rationality of the theoretical analyses and simulations.

Published
2024
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39. Design of a 10 kW Superconducting Homopolar Inductor Machine Based on HTS REBCO Magnet

Author

Ma, Jun, Pan, Yuanhang, Luo, Xuezhi, Xiao, Huaqian, Yang, Jiangtao, Simpson, Nick, and Mellor, Phil

Abstract

The electric aircraft propulsion system requires high speed and high power-weight ratio electrical machines. This paper presents a superconducting homopolar inductor machine (HIM) based on HTS REBCO magnets, which could be a promising candidate for high power density electrical machines for future electric aircraft propulsion system. The HTS-HIM has a simple structure, high rotating speed, and huge potential to achieve a high power-weight ratio (kW/kg). This paper presents our design of a 10 kW HTS-HIM with a rotating speed of 3000 rpm. The structure and crucial parameters of HTS-HIM are presented. A 2D-axial pancake coil model for HTS REBCO magnets was built by using COMSOL. Based on this model, HTS REBCO magnets were design and optimized. The loss of REBCO magnets was also calculated. Finally, the output performance of the 10 kW HTS-HIM was simulated. Our work provides preliminary simulation and analysis for future MW-class HTS-HIM.

Published
2024
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