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2017 21st International Conference on Process Control (PC)最新文献

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Robust LPV-based infinite horizon LQR design 基于鲁棒lpv的无限视界LQR设计
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.1109/PC.2017.7976194
Adrian Ilka, V. Veselý
{"title":"Robust LPV-based infinite horizon LQR design","authors":"Adrian Ilka, V. Veselý","doi":"10.1109/PC.2017.7976194","DOIUrl":"https://doi.org/10.1109/PC.2017.7976194","url":null,"abstract":"In this paper, the problem of robust infinite horizon linear quadratic regulator (LQR) design is addressed for uncertain affine linear parameter-varying (LPV) systems. The proposed method extends the standard infinite horizon LQR design to LPV-based static output-feedback (SOF), dynamic output-feedback (DOF) and to a well known proportional, integral and derivative (PID) controller design for uncertain affine LPV systems. The optimal (suboptimal) controller design is formulated as an optimization problem subject to some linear/bilinear matrix inequality (LMI/BMI) constraints. As the main result, the suggested performance and stability conditions, without any restriction on the controller and system structure, are convex functions of the scheduling and uncertainty parameters. Hence, there is no need for applying multi-convexity or other relaxation techniques and consequently the proposed solution delivers a less conservative design method. The viability of the novel design technique is demonstrated and evaluated through numerical examples.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133471603","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
Proposal of system for automatic weld evaluation 焊缝自动评定系统的设计方案
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.1109/PC.2017.7976254
Oto Haffner, Erik Kučera, S. Kozák, Erich Stark
{"title":"Proposal of system for automatic weld evaluation","authors":"Oto Haffner, Erik Kučera, S. Kozák, Erich Stark","doi":"10.1109/PC.2017.7976254","DOIUrl":"https://doi.org/10.1109/PC.2017.7976254","url":null,"abstract":"The paper deals with the development of a system for automatic weld recognition using new information technologies based on cloud computing and single-board computer in the context of Industry 4.0. The proposed system is based on a visual system for weld recognition, and a neural network based on cloud computing for real-time weld evaluation, both implemented on a single-board low-cost computer. The proposed system was successfully verified on welding samples which correspond to a real welding process in the car production process. The system considerably contributes to the welds diagnostics in industrial processes of small- and medium-sized enterprises.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116745444","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: 7
Constrained multi-rate state estimator incorporating delayed measurements 包含延迟测量的约束多速率状态估计器
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.1109/PC.2017.7976240
C. Srinesh, S. Narasimhan, Sriniketh Srinivasan, M. Amrhein, D. Bonvin
{"title":"Constrained multi-rate state estimator incorporating delayed measurements","authors":"C. Srinesh, S. Narasimhan, Sriniketh Srinivasan, M. Amrhein, D. Bonvin","doi":"10.1109/PC.2017.7976240","DOIUrl":"https://doi.org/10.1109/PC.2017.7976240","url":null,"abstract":"Frequent and accurate concentration estimates are important for the on-line control and optimization of chemical reaction systems. Such estimates can be obtained using state estimation methods that fuse frequent (fast) delay-free on-line measurements with infrequent (slow) delayed laboratory measurements. In this paper, we demonstrate how several recent advances made in state estimation can be combined in an on-line recursive state estimation framework by imposing knowledge-based and measurement-based constraints on the state estimates of multi-rate concentration measurements with time-varying time delays. This framework is illustrated using a simulated example for a bacterial batch fermentation of recombinant l. lactis. It is shown that an extent-based formulation gives more accurate estimates than a conventional concentration-based formulation.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114516455","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
Viability assessment of a rigid wing airborne wind energy pumping system 刚性翼机载风能泵系统可行性评估
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.1109/PC.2017.7976256
G. Licitra, J. Koenemann, Greg Horn, P. Williams, R. Ruiterkamp, M. Diehl
{"title":"Viability assessment of a rigid wing airborne wind energy pumping system","authors":"G. Licitra, J. Koenemann, Greg Horn, P. Williams, R. Ruiterkamp, M. Diehl","doi":"10.1109/PC.2017.7976256","DOIUrl":"https://doi.org/10.1109/PC.2017.7976256","url":null,"abstract":"Airborne wind energy is an emerging technology that is capable of harvesting wind energy by flying crosswind flight patterns with a tethered aircraft. Several companies are trying to scale-up their concept in order to be competitive in the energy market. However, the scaling process requires numerous iterations and trade-offs among the different components in terms of requirements that have to satisfy both technological and economical viability. In this paper, we show how to deal with this task by means of an optimal control approach combined with statistical analysis based on the established methods for conventional Wind Energy Conversion Systems. This approach is applied to a rigid wing pumping mode AWE System built by Ampyx Power B.V.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130756004","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: 11
Robust control for a discrete-time uncertain system novel LMI based approach 基于LMI的离散不确定系统鲁棒控制新方法
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.1109/PC.2017.7976189
D. Rosinová, Peter Balko
{"title":"Robust control for a discrete-time uncertain system novel LMI based approach","authors":"D. Rosinová, Peter Balko","doi":"10.1109/PC.2017.7976189","DOIUrl":"https://doi.org/10.1109/PC.2017.7976189","url":null,"abstract":"In the paper, a novel robust controller design method is developed for discrete-time parameter varying system using matrix inequalities. Auxiliary matrices are used to reduce conservatism of the proposed robust stability conditions. The resulting design method is illustrated on examples.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128529222","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
Control of a biochemical process using fuzzy approach 用模糊方法控制生化过程
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.1109/PC.2017.7976209
A. Vasickaninova, M. Bakosová, A. Mészáros
{"title":"Control of a biochemical process using fuzzy approach","authors":"A. Vasickaninova, M. Bakosová, A. Mészáros","doi":"10.1109/PC.2017.7976209","DOIUrl":"https://doi.org/10.1109/PC.2017.7976209","url":null,"abstract":"The work deals with design and application of fuzzy controllers for a biochemical process. Fuzzy logic control based on the Takagi-Sugeno inference method has been applied for control of the baker's yeast fermentation. The advantage of the fuzzy control design is that it can be used very successfully for control of strongly non-linear processes and processes that are difficult to model because of complicated reaction kinetics. Obtained simulation results confirm this fact. The disadvantage of the fuzzy control design lies in the time-consuming tuning of controllers.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124634309","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
Virtual laboratory based on Node.js technology 基于Node.js技术的虚拟实验室
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.15439/2017F313
Erich Stark, P. Bisták, Erik Kučera, Oto Haffner, S. Kozák
{"title":"Virtual laboratory based on Node.js technology","authors":"Erich Stark, P. Bisták, Erik Kučera, Oto Haffner, S. Kozák","doi":"10.15439/2017F313","DOIUrl":"https://doi.org/10.15439/2017F313","url":null,"abstract":"The paper demonstrates remote control of test experiment in the virtual laboratory. This is a common problem, but another way can always be used to solve it. The paper compares several existing virtual laboratories and their possible issues at present. To develop such a new solution JavaScript technology was used on both client and server side using Node.js runtime.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132218471","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: 13
Extremal problems for time lag parabolic systems 时滞抛物型系统的极值问题
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.1109/PC.2017.7976255
A. Kowalewski, M. Miśkowicz
{"title":"Extremal problems for time lag parabolic systems","authors":"A. Kowalewski, M. Miśkowicz","doi":"10.1109/PC.2017.7976255","DOIUrl":"https://doi.org/10.1109/PC.2017.7976255","url":null,"abstract":"Extremal problems for time lag parabolic systems are presented. An optimal boundary control problem for distributed parabolic systems in which constant time lags appear in the state equations and in the boundary conditions simultaneously is solved. Such equations constitute in a linear approximation a universal mathematical model for many processes of optimal heating. The time horizon is fixed. Making use of the Dubovicki-Milutin scheme, necessary and sufficient conditions of optimality for the Neumann problem with the quadratic performance functionals and constrained control are derived.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"316 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121344032","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: 7
Nonlinear hierarchical building zone and microgrid control based on sensitivity analysis 基于灵敏度分析的非线性分层建筑分区与微电网控制
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.1109/PC.2017.7976234
V. Lešić, M. Vašak, Anita Martincevic, Hrvoje Novak
{"title":"Nonlinear hierarchical building zone and microgrid control based on sensitivity analysis","authors":"V. Lešić, M. Vašak, Anita Martincevic, Hrvoje Novak","doi":"10.1109/PC.2017.7976234","DOIUrl":"https://doi.org/10.1109/PC.2017.7976234","url":null,"abstract":"Model predictive control has proven to be a promising platform for complex systems management and energy efficiency improvement in a large number of applications, particulary prominent in building climate or smart grids control. Interoperation of those systems often turns out to be of a nonlinear nature. The paper proposes a modular coordination mechanism between building zones comfort control and building microgrid energy flows control based on nonlinear model predictive control. The modularity of coordination implies technology separation with interaction through consumption profiles and equivalent prices, where nonlinearity occurs in electricity-heat energy conversion. A method based on sensitivity analysis is exploited and put to parametric formulation to tackle the problem of high computational complexity. The nonlinearity is addressed by choosing the convergence of the local optimum towards the microgrid global optimum in the direction of the lowest cost function values. Iterative approach between zone and microgrid level nonlinear problem finally results in the cost-optimal zone level operation. Results show the ability of the proposed approach to cope with system nonlinearities and illustrate how introduction of a central chiller unit characteristic rises the overall cost benefit of the system.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129730748","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
Steam turbine hardware in the loop simulation 汽轮机硬件在回路仿真
2017 21st International Conference on Process Control (PC) Pub Date : 2017-06-01 DOI: 10.1109/PC.2017.7976244
Jan Reitinger, P. Balda, M. Schlegel
{"title":"Steam turbine hardware in the loop simulation","authors":"Jan Reitinger, P. Balda, M. Schlegel","doi":"10.1109/PC.2017.7976244","DOIUrl":"https://doi.org/10.1109/PC.2017.7976244","url":null,"abstract":"In this paper, a new tool for teaching purposes is presented. The tool is a low-cost Hardware in the Loop simulation with separated process model and control algorithm on standalone hardware which runs in real-time. In this paper, the simulation is used to control the steam turbine model with shaft and generator, but it can be used on wide range of complex physical models. The used model is evaluated on ramp-up simulation in Simulink, and after that mathematical equations are implemented in Modelica language and exported into Functional Mock-up Unit (FMU). The controlled and control models are both simulated on Raspberry Pi minicomputers in real-time and one can observe the control strategy on the second Raspberry with prepared control task and Human Machine Interface (HMI). Both Raspberries are connected through the Modbus over TCP/IP protocol and one can get familiar with this wide-used communication. Furthermore, there is possibility to control the system, change regulators parameters and handle the trade-off between various performances. Regulation can be operated in so-called island or grid mode. The aim of system control is to comply shaft speed demands described in norms.","PeriodicalId":377619,"journal":{"name":"2017 21st International Conference on Process Control (PC)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123694412","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
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