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2015 19th International Conference on System Theory, Control and Computing (ICSTCC)最新文献

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GPU accelerated geometric multigrid method: Performance comparison on recent NVIDIA architectures GPU加速几何多重网格方法:在最新NVIDIA架构上的性能比较
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321289
I. Stroia, L. Itu, C. Nita, Laszlo Lazar, C. Suciu
{"title":"GPU accelerated geometric multigrid method: Performance comparison on recent NVIDIA architectures","authors":"I. Stroia, L. Itu, C. Nita, Laszlo Lazar, C. Suciu","doi":"10.1109/ICSTCC.2015.7321289","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321289","url":null,"abstract":"During the past decade Graphics Processing Units (GPU) have been increasingly employed for speeding up compute intensive scientific applications. In this field, the geometric multigrid method (GMG) is one of the most efficient algorithms for solving large sparse linear systems of equations. Herein we analyze the performance of an optimized GPU based implementation of the GMG method on different state-of-the-art NVIDIA GPUs. The GTX Titan Black card, set-up with increased double precision performance leads to the smallest execution time. It is marginally faster than the more recently released GTX Titan X card which has considerably lower double precision performance. Moreover, an energy efficiency analysis reveals that the GTX 660M and the more powerful Titan cards require a similar amount of energy for running the GMG algorithm: the larger execution time is compensated by the lower power consumption.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132543145","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: 5
Observer based control for a PV system modeled by a Fuzzy Takagi Sugeno model 基于观测器的模糊高木Sugeno模型光伏系统控制
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321367
Miron Cristian, P. Dumitru, Aitouche Abdel, C. Nicolai
{"title":"Observer based control for a PV system modeled by a Fuzzy Takagi Sugeno model","authors":"Miron Cristian, P. Dumitru, Aitouche Abdel, C. Nicolai","doi":"10.1109/ICSTCC.2015.7321367","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321367","url":null,"abstract":"This paper deals with a design of a Fuzzy Takagi Sugeno Observer for a class of nonlinear Photovoltaic (PV) systems. First, a nonlinear PV plant with a Takagi-Sugeno (TS) fuzzy model is presented. Then a model-based fuzzy observer design utilizing the concept of the Parallel Distributed Compensation (PDC) is used, in which observer gains are obtained by solving Linear Matrix Inequalities (LMIs). The control block based on MPPT algorithm will use in real-time the result provided by the nonlinear observer.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126146854","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: 6
A practical implementation of face detection by using Matlab cascade object detector 一个用Matlab实际实现的人脸检测级联目标检测器
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321390
Elena Alionte, C. Lazar
{"title":"A practical implementation of face detection by using Matlab cascade object detector","authors":"Elena Alionte, C. Lazar","doi":"10.1109/ICSTCC.2015.7321390","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321390","url":null,"abstract":"The detection of faces in an image is a subject often studied in computer vision literature. The algorithm which allowed face detection, imposing new standards in this area, was the Viola - Jones algorithm. In this paper, a practical implementation of a face detector based on Viola-Jones algorithm using Matlab cascade object detector is presented. Employing the system type object vision.CascadeObjectDetector, eight face detectors were developed using the trainCascadeObjectDetector function and tuning the number of cascade layer and the False Alarm Rate. For different tuning parameters, the performances of the face detectors were analyzed.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"296 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122103159","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: 36
Improving legal information retrieval using the Wikipedia knowledge base, legal ontology and the Eurovoc Thesaurus 使用维基百科知识库、法律本体和Eurovoc Thesaurus改进法律信息检索
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321278
S. Cornoiu, H. Valean
{"title":"Improving legal information retrieval using the Wikipedia knowledge base, legal ontology and the Eurovoc Thesaurus","authors":"S. Cornoiu, H. Valean","doi":"10.1109/ICSTCC.2015.7321278","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321278","url":null,"abstract":"The ability to find relevant legal information is a fundamental component of a legal experts and AI. We propose a model for legal information retrieval that exploits the capabilities of a legal ontology enriching it with knowledge extracted from Wikipedia.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123393894","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
Post cardiac surgery recovery process with reinforcement learning 心脏手术后的康复过程与强化学习
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321368
Ciprian Sandu, D. Popescu, C. Popescu
{"title":"Post cardiac surgery recovery process with reinforcement learning","authors":"Ciprian Sandu, D. Popescu, C. Popescu","doi":"10.1109/ICSTCC.2015.7321368","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321368","url":null,"abstract":"This work treats the problem of blood pressure regulation in post cardiac surgery patients with an improved model and reinforcement learning. The latter is the focus of the present study, specifically showing that it is suitable for the automatic control of blood pressure in post cardiac surgery patients. The context is the direct use of clinical data, with no need for a patient model. Classical control, with PID or Polynomial RST algorithms, has also been used for blood pressure regulation. An existing model of patient is used here and improved. We use a model here for the only purpose of generating pseudo-clinical data for the use of reinforcement learning. The obtained results confirm that this approach can be an alternative to the classical control.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121641609","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: 5
Robust sliding mode - based interval Type-2 fuzzy logic observer for quadcopter UAVs 基于鲁棒滑模的四轴飞行器区间2型模糊逻辑观测器
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321352
Ahmad Riyad Firdaus, M. Tokhi
{"title":"Robust sliding mode - based interval Type-2 fuzzy logic observer for quadcopter UAVs","authors":"Ahmad Riyad Firdaus, M. Tokhi","doi":"10.1109/ICSTCC.2015.7321352","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321352","url":null,"abstract":"The availability of information on all states plays a critical role in a wide range of fields including quadcopter UAVs. Sensor limitation, accuracy, noise, and uncertainty are issues that limit acquisition of information on states of such vehicles. Sliding mode observer (SMO), as a nonlinear observer, is believed to be able to deal with such issues. However, the chattering phenomenon in SMO is still an issue that may lead to performance degradation. Interval Type-2 fuzzy logic system (IT2FLS), which has the capability to accommodate uncertainties of the system, will play a vital role in eliminating this phenomenon. A hybrid mechanism by combining the two methods is investigated in this paper. The proposed method is compared with Type-1 fuzzy logic observer to show the advantages of the approach. The results obtained demonstrate good performance of the approach in dealing with noise and uncertainty as well as eliminating the chattering phenomenon of SMO.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115042547","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: 2
Programming paradigm of a microcontroller with hardware scheduler engine and independent pipeline registers - a software approach 具有硬件调度器引擎和独立管道寄存器的微控制器编程范例-一种软件方法
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321376
Lucian Andries, V. Gaitan, E. Moisuc
{"title":"Programming paradigm of a microcontroller with hardware scheduler engine and independent pipeline registers - a software approach","authors":"Lucian Andries, V. Gaitan, E. Moisuc","doi":"10.1109/ICSTCC.2015.7321376","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321376","url":null,"abstract":"In computer science, for embedded field only two types of microcontrollers exists, that can be used to develop a working system. You can use a single core or a multicore which is much faster but will not be the equivalent of a single core multiple with the numbers of cores, because a small part from the power will be used for inter process communications. Our approach is a little bit different because we use a single core CPU that have a number of finite task that act like different CPU's. In this new architecture there is no need for inter process communication because the processor is a single core and the hardware tasks use the same resources as others. The peripherals of this architecture will improve interrupt latencies and task switching times, what makes this microcontroller the best choice when it comes in interrupt response time.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114418293","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: 2
Feedback linearizing controller coupled to an Unscented Kalman filter for lactic acid regulation 反馈线性化控制器与Unscented卡尔曼滤波器耦合用于乳酸调节
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321296
Karen Gonzalez, S. Tebbani, D. Dumur, F. Lopes, D. Pareau, A. Thorigné, S. Givry
{"title":"Feedback linearizing controller coupled to an Unscented Kalman filter for lactic acid regulation","authors":"Karen Gonzalez, S. Tebbani, D. Dumur, F. Lopes, D. Pareau, A. Thorigné, S. Givry","doi":"10.1109/ICSTCC.2015.7321296","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321296","url":null,"abstract":"This paper deals with the development of a control law for the regulation of the lactic acid concentration in its biotechnological production process. The studied system consists in a continuous bioreactor using wheat flour as raw material. Three reactions take place at the same time in the bioreactor: the gluten hydrolysis, the maltose saccharification and the glucose fermentation. This paper considers the optimization of the two last reactions. The optimal set point that maximizes the bioprocess productivity is first determined. Then, a state feedback linearizing controller is developed to maintain the lactic acid concentration at this optimal set point. Nevertheless, knowledge of all states variables is required for this kind of control law. Since the sole online measurement is the lactic acid concentration, robust and efficient estimators of the non-measured states have to be developed. In this paper, an Unscented Kalman filter (UKF) is proposed to estimate the biomass and substrates concentrations in the bioreactor and is then coupled with the feedback linearizing control law. Numerical simulations have been carried out to assess the control law performance.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"IA-12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126553279","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: 2
Interval systems - construction and exploitation of diagonal Lyapunov functions 区间系统。对角李雅普诺夫函数的构造和利用
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321262
O. Pastravanu, M. Matcovschi, M. Voicu
{"title":"Interval systems - construction and exploitation of diagonal Lyapunov functions","authors":"O. Pastravanu, M. Matcovschi, M. Voicu","doi":"10.1109/ICSTCC.2015.7321262","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321262","url":null,"abstract":"Our paper proposes a framework that allows the construction of several types of diagonal Lyapunov functions for discrete- and continuous-time interval systems. The Lyapunov function candidates are defined as weighted vector norms, where the weighting matrices are diagonal and positive definite. For the existence of such Lyapunov functions, we provide necessary and sufficient conditions in the case of 1 and ℝ norms, as well as two sufficient conditions in the case of 2-norm. The results offer construction procedures focusing on diagonal Lyapunov functions with the fastest decreasing rate, fact that also ensures the identification of the fastest contractive invariant sets shaped in accordance with the aforementioned norms. The exposition covers the discrete- and continuous-time dynamics, in parallel, aiming to emphasize both similarities and differences between the two types of results. The applicability of the theoretical developments is illustrated by a numerical example.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116884441","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
HVAC control methods - a review 暖通空调控制方法综述
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321372
Filip Belic, Ž. Hocenski, D. Sliskovic
{"title":"HVAC control methods - a review","authors":"Filip Belic, Ž. Hocenski, D. Sliskovic","doi":"10.1109/ICSTCC.2015.7321372","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321372","url":null,"abstract":"Making buildings more energy efficient while keeping thermal comfort has been an important topic in last decades, including improving efficiency of Heating, Ventilation and Air Conditioning (HVAC) systems. One approach to this goal is to use better control methods. This paper presents a review of methods which have been researched in scientific papers in last couple of years. Most papers focus on one of the following trends: improving “classical” control methods; use of predictable control based on models; use of intelligent control methods.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122954940","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: 34
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