2013 American Control Conference最新文献

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Guaranteed stability of recursive multi-input-single-output time series models 多输入单输出递推时间序列模型的保证稳定性
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6579817
Kamuran Turksoy, E. S. Bayrak, L. Quinn, E. Littlejohn, A. Çinar
{"title":"Guaranteed stability of recursive multi-input-single-output time series models","authors":"Kamuran Turksoy, E. S. Bayrak, L. Quinn, E. Littlejohn, A. Çinar","doi":"10.1109/ACC.2013.6579817","DOIUrl":"https://doi.org/10.1109/ACC.2013.6579817","url":null,"abstract":"Recursive time series models can describe effectively and accurately complex systems with time-varying parameters. These simple models can be used in forecasting and control systems. However, these models may be unstable because of plant and measurement noise even when the process is known to be stable. In this paper, we propose an approach to guarantee the stability of time series models by using the Gershgorin Circle Theorem. Data from real patients with Type 1 Diabetes are used to illustrate the performance of the proposed approach. Results show that the proposed method provides stable models. The method can be easily implemented to single- or multi-input-output time series modeling and subspace identification.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116047468","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
A Novel attempt to reduce engineering effort in modeling non-linear chemical systems for Operator Training Simulators 一个新颖的尝试,以减少工程努力建模非线性化学系统的操作员训练模拟器
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580113
Saswata Mukhopadhyay, Madhukar Gundappa, Ranganathan Srinivasan, Sridharakumar Narasimhan
{"title":"A Novel attempt to reduce engineering effort in modeling non-linear chemical systems for Operator Training Simulators","authors":"Saswata Mukhopadhyay, Madhukar Gundappa, Ranganathan Srinivasan, Sridharakumar Narasimhan","doi":"10.1109/ACC.2013.6580113","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580113","url":null,"abstract":"Operator Training Simulator (OTS) applications have become the norm of the industry in training operators to achieve efficient process operations. First principles based modeling approach in OTS packages achieves realistic simulations of chemical processes. However modeling the kinetics and thermodynamics accurately require considerable engineering efforts and may involve experimental studies to match the plant behavior. Hybrid models also known as grey-box models replace the unknown/complex equations in first principles models with empirical relationship using functional approximators such as neural networks, polynomials, etc. In this work we explore the use of Kernel Principal Component Analysis (K-PCA) as an approximation technique for certain nonlinear thermodynamics or kinetic functions parameterized using available plant archived data. Simulation results on a complex binary distillation column demonstrate the applicability of the proposed novel approach.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122738527","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
Achieving decoherence suppression in open quantum systems by utilizing the model of environmental interactions 利用环境相互作用模型实现开放量子系统的退相干抑制
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580220
N. Ganesan, T. Tarn
{"title":"Achieving decoherence suppression in open quantum systems by utilizing the model of environmental interactions","authors":"N. Ganesan, T. Tarn","doi":"10.1109/ACC.2013.6580220","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580220","url":null,"abstract":"In this paper, we study the problem of suppressing Decoherence in open finite-dimensional quantum systems by effectively making use of the geometric and structural properties of the open quantum system and the model of the environmental interaction. It is shown that both the geometric properties of the system as well as the structure of decohering environmental interaction play a vital role in successful decoherence suppression. We re-formulate the problem of decoherence suppression as a disturbance rejection scheme, in which the environmental interaction is treated as the quantum disturbance. The conditions for “decouplability” is given along with a detailed constructive algorithm to synthesize the decoupling control of with the help of a scalable ancillary quantum system. This decoherence suppression strategy is demonstrated for a simple 2-qubit system wherein the effects of decoherence are completely eliminated. The theory provides conditions to be imposed on the controller to ensure perfect decoupling.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122458017","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
Minimum loss reconfiguration of electrical distribution networks with quality requirements 符合质量要求的配电网络最小损耗重构
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580872
Luca Coslovich, M. P. Fanti, P. Mania, G. Piccoli, W. Ukovich
{"title":"Minimum loss reconfiguration of electrical distribution networks with quality requirements","authors":"Luca Coslovich, M. P. Fanti, P. Mania, G. Piccoli, W. Ukovich","doi":"10.1109/ACC.2013.6580872","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580872","url":null,"abstract":"This paper deals with the problem of minimizing the losses of electrical distribution systems, in the presence of power generator nodes in a smart-grid paradigm and by considering service quality requirements. The distribution network is modeled as a graph where nodes are the distribution network nodes and branches represent feeder sections. Moreover, the distribution network reconfiguration problem is solved by a mixed-integer quadratic programming and a multi-objective Pareto approach in two stages. First, a mixed-integer quadratic programming problem is defined in order to find a radial operating structure that minimizes the system power losses while satisfying structural and operating constraints. Second, a service quality index is assigned to each solution obtained at the first stage and a Pareto frontier is determined. To evaluate the effectiveness of the proposed approach, a benchmark distribution network is tested.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"68 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122546790","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
Path following of marine surface vessels with saturated transverse actuators 带饱和横向作动器的海面船舶路径跟踪
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6579894
W. Caharija, K. Pettersen, J. Gravdahl
{"title":"Path following of marine surface vessels with saturated transverse actuators","authors":"W. Caharija, K. Pettersen, J. Gravdahl","doi":"10.1109/ACC.2013.6579894","DOIUrl":"https://doi.org/10.1109/ACC.2013.6579894","url":null,"abstract":"This paper presents a control technique for low speed path following applications of fully actuated marine surface vehicles with saturated transverse actuators. Path following of straight lines is considered. The control system is designed to counteract disturbances caused by ocean currents and combines the Integral Line-of-Sight guidance law (ILOS) with a nonlinear saturated sway controller. The ocean current is considered constant, irrotational and acting in any direction of the inertial frame. The control configuration is derived from controllers designed for underactuated marine vehicles and exploits both sway actuators and side-slipping to compensate for the drift and guarantee successful path following. The additional use of transverse actuators for disturbance compensation increases mission flexibility when trade-offs between path following speed, power usage and energy consumption arise. This represents an extension of the underactuated case. The vehicle dynamics are defined in terms of relative velocities only, since the ocean current is assumed irrotational. Closed loop uniform global asymptotic stability and uniform local exponential stability are achieved and explicit bounds on the guidance law parameters are given. The theoretical results are supported by simulations.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"147 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122886057","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
Oscillation amplitude enhancement of an electrostatic MEMS resonator via chaos control 混沌控制增强静电MEMS谐振器振荡幅度
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580821
Alexander Jimenez Triana, G. Zhu, L. Saydy
{"title":"Oscillation amplitude enhancement of an electrostatic MEMS resonator via chaos control","authors":"Alexander Jimenez Triana, G. Zhu, L. Saydy","doi":"10.1109/ACC.2013.6580821","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580821","url":null,"abstract":"The present work addresses the problem of chaos control in an electrostatic MEMS resonator. One of the unstable orbits immersed in the chaotic attractor is stabilized in order to produce a sustained oscillation of the movable plate composing the microstructure. The orbit is carefully chosen in order to produce a high amplitude oscillation. This approach allows the enhancement of oscillation amplitude of the resonator at a reduced control effort, since the unstable orbit already exists in the system. Parametric uncertainties in the model are considered and control laws are constructed using the technique of backstepping. Numerical simulations are carried out to confirm the validity of the developed control schemes and to demonstrate the effect of controlling orbits immersed in the chaotic attractor.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123005871","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
Distributed fault detection for uncertain nonlinear systems: A network delay compensation strategy 不确定非线性系统分布式故障检测:一种网络时延补偿策略
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580380
F. Boem, Riccardo M. G. Ferrari, T. Parisini, M. Polycarpou
{"title":"Distributed fault detection for uncertain nonlinear systems: A network delay compensation strategy","authors":"F. Boem, Riccardo M. G. Ferrari, T. Parisini, M. Polycarpou","doi":"10.1109/ACC.2013.6580380","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580380","url":null,"abstract":"This paper proposes a delay compensation strategy for a distributed fault detection architecture, allowing to manage delays and packet losses in the communication network between the Local Fault Diagnosers. A novel consensus-based estimator with time-varying weights is introduced, permitting to improve detectability in the case of variables shared among more than one subsystem. In the consensus protocol, at each step each agent uses only the information given by the agent and the communication link which are more reliable at that time. The convergence of the proposed estimator is demonstrated and analytical conditions for detectability are derived.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"207 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123017360","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
Set-based model predictive consensus under bounded additive disturbances 有界加性扰动下基于集合的模型预测一致性
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580803
A. Gautam, Y. Soh, Y. Chu
{"title":"Set-based model predictive consensus under bounded additive disturbances","authors":"A. Gautam, Y. Soh, Y. Chu","doi":"10.1109/ACC.2013.6580803","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580803","url":null,"abstract":"An efficient, model-predictive-control (MPC)-based scheme is presented for a class of consensus-related control problems involving dynamically decoupled subsystems which are required to reach a consensus condition in some optimal way. A general case of constrained subsystems with external disturbances is considered and a suitable set-based near-consensus condition is set as the target condition to achieve. The proposed scheme employs computationally efficient, closed-loop MPC policies in the subsystems together with a distributed optimization method to optimize the global consensus trajectory and the subsystem control inputs in real time. It also allows the incorporation of computational delays in the policy formulation so that the desired control performance is ensured.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114141946","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
Geometric decomposition and potential-based representation of nonlinear systems 非线性系统的几何分解和基于势的表示
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580149
M. Guay, N. Hudon, Kai Hoffner
{"title":"Geometric decomposition and potential-based representation of nonlinear systems","authors":"M. Guay, N. Hudon, Kai Hoffner","doi":"10.1109/ACC.2013.6580149","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580149","url":null,"abstract":"This paper considers the problem of representing a sufficiently smooth nonlinear dynamical as a structured potential-driven system. The proposed approach is based on a decomposition of a differential one-form that encodes the divergence of the given vector fields into its exact and anti-exact components, and into its co-exact and anti-coexact components. The decomposition method, based on the Hodge decomposition theorem, is rendered constructive by introducing a dual operator to the standard homotopy operator. The dual operator inverts locally the co-differential operator, and is used in the present paper to identify the structure of the dynamics. Applications of the proposed approach to gradient systems, Hamiltonian systems, and generalized Hamiltonian systems are given to illustrate the proposed approach.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114175621","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
Anti-slug control experiments using nonlinear observers 非线性观测器抗弹塞控制实验
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6579976
E. Jahanshahi, S. Skogestad, E. Grøtli
{"title":"Anti-slug control experiments using nonlinear observers","authors":"E. Jahanshahi, S. Skogestad, E. Grøtli","doi":"10.1109/ACC.2013.6579976","DOIUrl":"https://doi.org/10.1109/ACC.2013.6579976","url":null,"abstract":"To prevent slug-flow on offshore oil production units, controlling a subsea pressure is the recommended solution. However, the subsea pressure is not often available as a measurement. The top-side pressure is usually measured but it is difficult to use for stabilizing control, because of its Right Half-Plane zero dynamics combined with nonlinearity. We have used the top-side pressure as measurement for different observers to estimate state variables of the system, and then used the estimated states for control. This scheme was tested in experiments using three types of observers. A simple Luenberger observer with a large gain was found to be more robust than the standard Unscented Kalman Filter (UKF). We modified the UKF to a Fast UKF for time-scale separation of the closed-loop system. The resulting observer was robust, also less sensitive to measurement noise compared to the simple Luenberger observer when measuring the top-side pressure. Surprisingly, the nonlinear observers were not able to work in closed-loop when the subsea pressure was used as the measurement. On the other hand, a linear observer worked very well for this case with a larger operating range compared to that of the top-side pressure.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114252121","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: 12
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