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

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Optimal control with fixed-end point for discrete linear perturbed systems 离散线性扰动系统的定端点最优控制
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321359
F. Ostafi, C. Botan
{"title":"Optimal control with fixed-end point for discrete linear perturbed systems","authors":"F. Ostafi, C. Botan","doi":"10.1109/ICSTCC.2015.7321359","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321359","url":null,"abstract":"The linear quadratic optimal control problem with finite final time and fixed end-point for discrete linear time invariant systems is presented. The study takes into account the influence of the time variant perturbations in optimal control law implementation. The applicability of the proposed algorithm is validated by simulation tests.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"41 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":"133499276","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
Search algorithms for the maximum power point on photovoltaic panels 光伏板最大功率点搜索算法
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321365
Dragos-Viorel Balan, Crina-Loredana Torous, D. Popescu, Dorel-Bogdan Balan
{"title":"Search algorithms for the maximum power point on photovoltaic panels","authors":"Dragos-Viorel Balan, Crina-Loredana Torous, D. Popescu, Dorel-Bogdan Balan","doi":"10.1109/ICSTCC.2015.7321365","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321365","url":null,"abstract":"The paper presents the results obtained by the authors during the research done on the efficient usage of photovoltaic panels and proposes performant numerical methods for the estimation of the maximum power point (MPP). The P(U) and P(I,U) models are computed for the BGSP - P225 solar panel model. For the first model, P(U), the paper proposes a polynomial interpolation search algorithm and for the P(I,U) model an optimal gradient algorithm, respectively. The performances obtained with these methods are evaluated and the main results are commented. The implementation of the search algorithms for the maximum power point is important for the computation of the set point given to the control systems, which control the photovoltaic panel, in order to obtain optimal photovoltaic generated power.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"47 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":"133092903","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
Distributed system for satellite trajectory estimation 分布式卫星轨道估计系统
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321311
Lucian Barbulescu, Petru Calin Bazavan, Claudia Maria Dabu
{"title":"Distributed system for satellite trajectory estimation","authors":"Lucian Barbulescu, Petru Calin Bazavan, Claudia Maria Dabu","doi":"10.1109/ICSTCC.2015.7321311","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321311","url":null,"abstract":"The near-Earth space surveillance requires accurate and fast orbit predictions for the multitude of objects that are present around our planet. This prediction is performed by means of orbit propagators which offer solutions to the satellite equations of motion. Based on the method of computation those propagators are split into three categories: analytical, numerical and semi-analytical, each with its own advantages and disadvantages. Today a large number of propagators are implemented in the form of software libraries, some proprietary and some freeware or even open-source. In this paper we have taken a semi-analytical propagator from an open-source Java library and used it in a distributed environment in order to compute the position of a satellite during a large time interval.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"30 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":"129600316","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
Aircraft robust flight tracking control against actuator efficiency faults 针对执行器效率故障的飞机鲁棒飞行跟踪控制
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321409
S. H. Almutairi, N. Aouf
{"title":"Aircraft robust flight tracking control against actuator efficiency faults","authors":"S. H. Almutairi, N. Aouf","doi":"10.1109/ICSTCC.2015.7321409","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321409","url":null,"abstract":"Robust control design against uncertainties is an important matter particularly for safety-critical systems such as the aircraft. Uncertainties, which resulted from uncertain parameters of the system or unmodelled dynamics, affect the stability and performance of the system. This paper presents a fault-tolerant control scheme for a multi-variable aircraft dynamics using robust controllers. Robust optimal H∞ and μ-synthesis control methods have been investigated. The work includes the development of frequency-based weighting functions to handle the trade-off between the robustness and performance features of the system. For each controller, the structure of the closed loop system is designed and the optimisation problem that conveys the design requirements is obtained. The scheme was simulated and tested against actuators loss of effectiveness faults. Results showed satisfactory implementation towards the aircraft stability and performance requirements.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"84 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":"132438040","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
LabVIEW traction control dynamic simulator LabVIEW牵引力控制动态模拟器
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321391
Alexandru Tiganasu, C. Lazar
{"title":"LabVIEW traction control dynamic simulator","authors":"Alexandru Tiganasu, C. Lazar","doi":"10.1109/ICSTCC.2015.7321391","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321391","url":null,"abstract":"The field of traction control has made significant progress in the past decade being reported many automotive applications. In this paper, based on advanced control techniques from literature, it is presented a dynamic simulator for traction control created in LabVIEW. The application was built starting with two algorithms which allow the implementation of a control system for the traction devices of an electric vehicle. In the first stage, the block diagram of the vehicle model was developed using an one wheel model which is based on the longitudinal motion equations. In the next step, this model was used to develop two control traction systems based on Maximum Transmissible Torque Estimation (MTTE) control approach and, respectively, sliding mode control. Comparing the results of these two control methods, it is possible to conclude which of them is more reliable. Incorporating all three described subsystems in a single module, a simulator with a graphical interface, easy to be used, was developed. The simulator offers the possibility to automatically save the graphical results like image files and also to generate a report in a single Excel document with the data of interest.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"102 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":"132301319","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
A bioinspired mathematical model for a robotic swarm to discriminate between self and nonself robots 一个受生物启发的数学模型,用于机器人群区分自我和非自我机器人
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321306
S. Bibic, E. Cipu, C. Buiu
{"title":"A bioinspired mathematical model for a robotic swarm to discriminate between self and nonself robots","authors":"S. Bibic, E. Cipu, C. Buiu","doi":"10.1109/ICSTCC.2015.7321306","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321306","url":null,"abstract":"A robotic swarm is a self-organizing multi-robot system characterized by simplicity of individual agents, local sensing and communication capabilities, parallelism in task execution, robustness, scalability, flexibility and decentralized control. Security of robotic swarms has been largely overlooked and the main contribution of this paper is to propose a bioinspired formalism based on membrane computing and P colonies in order to provide the robotic swarm with a way to discern between own and foreign (self and nonself) robots.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"19 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":"126395459","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
CANopen implementation using BCP protocols over TIA-485 in networked embedded systems 基于TIA-485的网络嵌入式系统中使用BCP协议的CANopen实现
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321374
M. Postolache
{"title":"CANopen implementation using BCP protocols over TIA-485 in networked embedded systems","authors":"M. Postolache","doi":"10.1109/ICSTCC.2015.7321374","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321374","url":null,"abstract":"CAN (Controller Area Network) and TIA-485 are two of the most used standards in fieldbus systems. While CAN ISO IS-11898 includes complete data link layer specifications on top of its physical layer, TIA-485 only addresses the physical layer of the 7-layer OSI model. Other communication parameters like speed, format, and data transmission protocol are not specified by RS-485 in order to provide interoperability of similar devices from different manufacturers. After a brief introduction and comparison of the two communication protocols, the paper investigates to what extent the CANopen specification - an application level protocol developed primarily for CAN networks - should be used in TIA-485-based fieldbus networks in order to provide the user an application programming interface (API) independent of the physical layer. Selected and customized CANopen services have been implemented and tested on a network of microcontroller-based stations equipped with CAN ISO 11898 and TIA-485 communication interfaces.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"87 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":"124918560","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
Solving SLICOT benchmarks for continuous-time algebraic Riccati equations by Hamiltonian solvers 用hamilton解算器求解连续时间代数Riccati方程的SLICOT基准
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321260
V. Sima, P. Benner
{"title":"Solving SLICOT benchmarks for continuous-time algebraic Riccati equations by Hamiltonian solvers","authors":"V. Sima, P. Benner","doi":"10.1109/ICSTCC.2015.7321260","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321260","url":null,"abstract":"Solving standard continuous-time algebraic Riccati equations using the structure-exploiting Hamiltonian approach is briefly presented. A new solver based on the SLICOT Library subroutines has been developed and tested on the CAREX benchmark collection included in SLICOT. The numerical results show similar or better accuracy (in terms of the relative residuals, or relative errors, when exact solutions are known) in comparison with the state-of-the-art MATLAB solver. Moreover, the new solver is faster for moderate size Riccati equations.","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":"115718922","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
Feedforward process control of a distillation column based on evolutionary techniques 基于进化技术的精馏塔前馈过程控制
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321380
N. Paraschiv, M. Olteanu
{"title":"Feedforward process control of a distillation column based on evolutionary techniques","authors":"N. Paraschiv, M. Olteanu","doi":"10.1109/ICSTCC.2015.7321380","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321380","url":null,"abstract":"Obtaining increased performance of complex process control systems is highly dependent of the kind of controller chosen. An example of such process is the distillation process found in chemical and petrochemical industries for which the product quality and energy efficiency are the main objectives. Maintaining the process parameters close to specifications is a condition for efficiency. These objectives can be fulfilled in spite of disturbances effects by using advanced process controllers. The present article addresses these problems in the case of a binary distillation column (for propane-propylene mixture) for which a special process model based on evolutionary techniques is used as part of the process controller.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"6 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":"117118222","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
Merging business processes for a common workflow in an organizational collaborative scenario 合并组织协作场景中公共工作流的业务流程
2015 19th International Conference on System Theory, Control and Computing (ICSTCC) Pub Date : 2015-11-09 DOI: 10.1109/ICSTCC.2015.7321282
Maria Laura Sebu, H. Ciocarlie
{"title":"Merging business processes for a common workflow in an organizational collaborative scenario","authors":"Maria Laura Sebu, H. Ciocarlie","doi":"10.1109/ICSTCC.2015.7321282","DOIUrl":"https://doi.org/10.1109/ICSTCC.2015.7321282","url":null,"abstract":"In the current paper we propose an algorithm for merging business process models when the process similarity rate is high. We consider the representation of business processes in Business Process Modeling Notation format and we present a possible reduction of the elements to directed graph format components. A common graph extracted is post processed by applying a transitive reduction mechanism to obtain the simplest graph with the fewest possible edges that has the same reachability as the original graph. We present briefly other directions for merging business processes and we compare them with the proposed one. We start from the assumption that collaborations in between companies when the compatibility level from process perspective is high have better chances to succeed. Studies have shown that inter organizational collaborations fail mostly because of incompatibilities in methodology, lacks in transition process and failures in defining feasible targets. With common processes resulted from merging internally used process models, the transition setup is simple and effortless. The common process obtained could be manually or automatically updated for ensuring the compliance with shared and individual objectives and internal constraints.","PeriodicalId":257135,"journal":{"name":"2015 19th International Conference on System Theory, Control and Computing (ICSTCC)","volume":"91 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":"123394903","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: 8
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