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2017 Chinese Automation Congress (CAC)最新文献

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Guaranteed cost control for uncertain stochastic systems driven by Poisson processes 泊松过程驱动的不确定随机系统的保成本控制
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8243564
Bo Song, Peng Xu, Ya Zhang, Feng Lin
{"title":"Guaranteed cost control for uncertain stochastic systems driven by Poisson processes","authors":"Bo Song, Peng Xu, Ya Zhang, Feng Lin","doi":"10.1109/CAC.2017.8243564","DOIUrl":"https://doi.org/10.1109/CAC.2017.8243564","url":null,"abstract":"Jump random noises exist widely in control systems. In this paper, the guaranteed cost control problem for uncertain systems perturbed by jump random noises is considered. By adopting Poisson process to describe jump random noises, this paper utilize martingale theory to design a controller, which can stabilize such stochastic systems and guarantee the specified cost function has an upper bound.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129203016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Online maximum efficiency control based on MRAS for unmanned air vehicle surface-mounted high-speed PMSM 基于MRAS的无人机机载高速永磁同步电机在线最大效率控制
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8243822
Mengqiu Li, Haibo Tan, H. Cai, Yibo Gao, Yaqiang Li, Shechuan Li
{"title":"Online maximum efficiency control based on MRAS for unmanned air vehicle surface-mounted high-speed PMSM","authors":"Mengqiu Li, Haibo Tan, H. Cai, Yibo Gao, Yaqiang Li, Shechuan Li","doi":"10.1109/CAC.2017.8243822","DOIUrl":"https://doi.org/10.1109/CAC.2017.8243822","url":null,"abstract":"Aiming at the characteristics of UAV high-speed permanent magnet motor, wide speed range, large current and parameter variation, an online efficiency optimal control method is proposed based on model reference adaptive (MRAS) algorithm. The MRAS-based approach can identify the machine parameters according to different operation conditions, optimizing the stator current constantly and improving the motor efficiency. Simulation results show that the proposed algorithm has a good effect on minimizing the loss of high-speed permanent magnet motor of UAV compared with conventional LMA algorithm.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129226390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A decentralized control for cascaded PV inverter system in grid-connected mode 并联光伏逆变器系统的分散控制
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8244011
Chao Luo, M. Su, Wenbin Yuan, Yao Sun, Hua Han, Hui Wang
{"title":"A decentralized control for cascaded PV inverter system in grid-connected mode","authors":"Chao Luo, M. Su, Wenbin Yuan, Yao Sun, Hua Han, Hui Wang","doi":"10.1109/CAC.2017.8244011","DOIUrl":"https://doi.org/10.1109/CAC.2017.8244011","url":null,"abstract":"This paper presents a decentralized control for grid-connected cascaded PV inverter system. The system is composed of a number of PV units in series and then connected to utility grid. The topology of this type is meaningful for low voltage (LV) devices to integrate into medium voltage (MV) or high voltage (HV) grid. The proposed decentralized control ensures independent control of each PV unit without communication, and PVs in the cascaded system operate as current controlled voltage sources (CCVS), achieving maximum power point tracking (MPPT) of each PV unit and synchronizing the frequency with the utility grid all the time, regardless of the random change of PV output current. System stability and dynamic performance are analyzed via small signal modeling. Finally the effectiveness of the proposed control is validated by simulation results.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129235160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Big data platform & typical APP services for urban public transportation 城市公共交通大数据平台&典型APP服务
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8244147
Lin Cao, F. Zhu, Xisong Dong, Zhen Shen, Jiehan Yu, B. Hu, Gang Xiong
{"title":"Big data platform & typical APP services for urban public transportation","authors":"Lin Cao, F. Zhu, Xisong Dong, Zhen Shen, Jiehan Yu, B. Hu, Gang Xiong","doi":"10.1109/CAC.2017.8244147","DOIUrl":"https://doi.org/10.1109/CAC.2017.8244147","url":null,"abstract":"Along with more and more people and cars appear in cities, the stricter requirements, like traffic efficiency, safety, service and cleanness cannot be met easily by using the existing urban traffic plan and operation management methods, which are normally supported by the separated and partial Intelligent Transportation System (ITS). In this paper, big data platform for urban public transportation is proposed, and its architecture and subsystems are developed. Then, Guangzhou's typical APP services for urban public transportation are described in detail, including: real-time bus service, taxi inquiry and call service, mobile payment, and traffic information service, etc.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130582792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A hybrid feature extraction method for fault detection of turnouts 一种混合特征提取的点票故障检测方法
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8242827
Zijian Guo, H. Ye, Wei Dong, Youwei Yan, Xiang Yan
{"title":"A hybrid feature extraction method for fault detection of turnouts","authors":"Zijian Guo, H. Ye, Wei Dong, Youwei Yan, Xiang Yan","doi":"10.1109/CAC.2017.8242827","DOIUrl":"https://doi.org/10.1109/CAC.2017.8242827","url":null,"abstract":"Problems related to fault detection of turnouts are discussed in this paper, which is important to guarantee the security of a driving train. Motivated by an existing approach for fault detection of turnouts and to deal with its demerits, a hybrid feature extraction method is given, which extracts information in both time and frequency domains, then support vector machine (SVM) is further used to classify the extracted hybrid features. Compared with the existing method, only using the starting point of the last falling edge in the feature extraction can reduce the influence of inaccurate locations or misdetections of edges, and introducing low frequency characteristics into features makes them sensitive to more types of faults. Experimental results based on the historical field data collected from a real high-speed railway show the effectiveness and the merits of proposed method.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130611560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Deep-level quality management based on big data analytics with case study 基于大数据分析的深层次质量管理与案例研究
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8243651
Xiaolei Li, Zhenyu Tu, Q. Jia, Xinjiang Man, Hui Wang, Xiuli Zhang
{"title":"Deep-level quality management based on big data analytics with case study","authors":"Xiaolei Li, Zhenyu Tu, Q. Jia, Xinjiang Man, Hui Wang, Xiuli Zhang","doi":"10.1109/CAC.2017.8243651","DOIUrl":"https://doi.org/10.1109/CAC.2017.8243651","url":null,"abstract":"The Big data analytics gives new chances to the enterprises to enhance their management and manufacturing levels. A solution with case study is proposed to accomplish deep-level quality management based on big data analytics. First, the implementation of big data analytics based on industrial process data is illustrated with case study illustration. Through the analysis and feature extraction of off-line data, the corresponding reference model library is constructed, which can be used for real-time processing of unlabeled data in the industrial field. The cluster, outlier and other data indicators we can get from the calculation and analysis would have a certain guiding significance for the enterprise's deep-level quality management. Then, the distributed memory computing engine based on Spark, and the implementation of web application platform based on Spring MVC framework is also described. This can help to get higher performance and unrestricted abilities for data analytics. Meanwhile, good visibility and human-data interface can be achieved.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123900487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
A method for detecting the stability of lasers based on LIBS plasma morphology 一种基于LIBS等离子体形态的激光器稳定性检测方法
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8243044
Xiangxin Shao, C. Zang, Xiaomei Lin
{"title":"A method for detecting the stability of lasers based on LIBS plasma morphology","authors":"Xiangxin Shao, C. Zang, Xiaomei Lin","doi":"10.1109/CAC.2017.8243044","DOIUrl":"https://doi.org/10.1109/CAC.2017.8243044","url":null,"abstract":"A method of testing the laser device stability is researched. First of all, the plasma image shall be collected to find out the morphological characteristics of plasma; the relativity of plasma morphology and relative intensity of carbon plasma shall be calculated to obtain the relation between the laser energy variation and the change of plasma morphology, so as to achieve the purpose of testing the laser device stability. According to the experimental result, this method is relatively accurate and capable of testing the laser device stability.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124003503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on voiceprint recognition based on weighted clustering recognition SVM algorithm 基于加权聚类识别SVM算法的声纹识别研究
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8242938
Yang Wu, Lihong Xu, Yandong Chen, Xueyang Zhang
{"title":"Research on voiceprint recognition based on weighted clustering recognition SVM algorithm","authors":"Yang Wu, Lihong Xu, Yandong Chen, Xueyang Zhang","doi":"10.1109/CAC.2017.8242938","DOIUrl":"https://doi.org/10.1109/CAC.2017.8242938","url":null,"abstract":"Support vector machine (SVM) algorithm received much attention in the research of voiceprint recognition, especially for small sample datasets. However, with the increase of recognition number and speech features number, the rate of model training and recognition is significantly reduced. In order to solve the problem, a new weighted clustering algorithm is proposed, which use “one to one” SVM model to reduce the model complexity. In training model stage, this paper adopts sequential minimal optimization (SMO) algorithm and quadratic programming and heuristic method to select variables speeding up the model training. In identification stage, use k-means and linear programming combined way to get each person's recognition score. Based on 100 TIMIT speech data, experiments show that the recognition rate is greatly improved compared with the traditional method when the number of recognition and training eigenvector reaches certain conditions.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123492917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Discrete Getz-Masden dynamic system 2 via Taylor-Zhang discretization formula solving for time-varying complex matrix inverse 离散Getz-Masden动力系统2采用Taylor-Zhang离散化公式求解时变复矩阵逆
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8243924
Yunong Zhang, Guofu Wu, Xuyun Yang, H. Gong, Min Yang
{"title":"Discrete Getz-Masden dynamic system 2 via Taylor-Zhang discretization formula solving for time-varying complex matrix inverse","authors":"Yunong Zhang, Guofu Wu, Xuyun Yang, H. Gong, Min Yang","doi":"10.1109/CAC.2017.8243924","DOIUrl":"https://doi.org/10.1109/CAC.2017.8243924","url":null,"abstract":"A Getz-Masden dynamic system 2 (GMDS2) is investigated in this paper. For the purpose of solving time-varying complex matrix inverse, we propose a TZ-type (i.e., Taylor-Zhang type) discrete Getz-Masden dynamic system 2; i.e., the proposed TZ-type discrete Getz-Masden dynamic system 2 is discretized by Taylor-Zhang discretization formula. The results of numerical experiments not only show the efficacy of the proposed TZ-type discrete GMDS2 compared with the Euler-type discrete GMDS2 and the generalized gradient-Newton model, but also verify that the error pattern of TZ-type discrete GMDS2 is cube.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123731858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Human-in-the-loop reinforcement learning 人在环强化学习
2017 Chinese Automation Congress (CAC) Pub Date : 2017-10-01 DOI: 10.1109/CAC.2017.8243575
Huanghuang Liang, Lu Yang, Hong Cheng, Wenzhe Tu, Mengjie Xu
{"title":"Human-in-the-loop reinforcement learning","authors":"Huanghuang Liang, Lu Yang, Hong Cheng, Wenzhe Tu, Mengjie Xu","doi":"10.1109/CAC.2017.8243575","DOIUrl":"https://doi.org/10.1109/CAC.2017.8243575","url":null,"abstract":"This paper focuses on presenting a human-in-the-loop reinforcement learning theory framework and foreseeing its application to driving decision making. Currently, the technologies in human-vehicle collaborative driving face great challenges, and do not consider the Human-in-the-loop learning framework and Driving Decision-Maker optimization under the complex road conditions. The main content of this paper aimed at presenting a study framework as follows: (1) the basic theory and model of the hybrid reinforcement learning; (2) hybrid reinforcement learning algorithm for human drivers; (3)hybrid reinforcement learning algorithm for autopilot; (4) Driving decision-maker verification platform. This paper aims at setting up the human-machine hybrid reinforcement learning theory framework and foreseeing its solutions to two kinds of typical difficulties about human-machine collaborative Driving Decision-Maker, which provides the basic theory and key technologies for the future of intelligent driving. The paper serves as a potential guideline for the study of human-in-the-loop reinforcement learning.","PeriodicalId":116872,"journal":{"name":"2017 Chinese Automation Congress (CAC)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121433948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
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