2013 American Control Conference最新文献

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On observer-based Active Vibration Control of two-inertia systems 基于观测器的双惯量系统振动主动控制
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580878
Qinling Zheng, Zhiqiang Gao
{"title":"On observer-based Active Vibration Control of two-inertia systems","authors":"Qinling Zheng, Zhiqiang Gao","doi":"10.1109/ACC.2013.6580878","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580878","url":null,"abstract":"The two-inertial system is a typical motion control problem with compliance between the motor and load, where the resonance makes it very challenging to regulate the load response and stabilize the motor at the same time. Concerned with setpoint tracking, disturbance rejection, and internal stability, an observer based Active Vibration Control solution is formulated, tested and analyzed in this paper. Simulation results show that the proposed method is an effective solution in obtaining desirable responses from both the motor and the load sides simultaneously. Furthermore, the controller is easy to implement and to tune, with much tolerance of internal dynamic variations and external disturbances. Finally, comparing with the existing solutions, the wear and tear of motors and transmission is much reduced.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"5 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":"115490875","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
Aliasing effects in direct digital adaptive control of plants with High-Frequency Dynamics and Disturbances 具有高频动态和扰动的植物直接数字自适应控制中的混叠效应
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580602
E. D. Sumer, D. Bernstein
{"title":"Aliasing effects in direct digital adaptive control of plants with High-Frequency Dynamics and Disturbances","authors":"E. D. Sumer, D. Bernstein","doi":"10.1109/ACC.2013.6580602","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580602","url":null,"abstract":"In this paper we consider sampled-data adaptive control in the presence of aliasing, due to either the high-frequency free response of the plant, or the high-frequency content in the disturbances. In particular, we present a numerical investigation of retrospective cost adaptive control (RCAC) applied to sampled-data command-following and disturbance-rejection problems, and investigate the performance of RCAC in the presence of aliasing. It is shown that RCAC is able to stabilize the plant despite the high-frequency dynamics, unless the controllability of unstable modes is not lost due to sampling. However, the intersample command-following performance may be nonzero due to aliasing of disturbances.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"25 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":"115654335","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
An overview of computational challenges in online advertising 在线广告中的计算挑战概述
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580778
R. Chatwin
{"title":"An overview of computational challenges in online advertising","authors":"R. Chatwin","doi":"10.1109/ACC.2013.6580778","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580778","url":null,"abstract":"Online advertising is a large and rapidly growing business. The major players in the space, namely advertisers, publishers, and ad exchanges, are developing increasingly sophisticated systems, methods and tools to facilitate, manage, optimize and report on the performance of online advertising marketplaces and campaigns. Developing solutions that are both mathematically sound and practical draws on techniques from a variety of disciplines including machine learning, stochastic optimal control, information retrieval, data mining, natural language processing, and econometrics. In this paper, we provide an overview of the online advertising space, and identify, frame, and describe solution approaches to some of the major computational challenges in the space. We describe specific examples from industry applications, including ad inventory auctions, bidding and allocation strategies for ad inventory, inventory targeting, banner and landing page optimization, and performance estimation.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"116 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":"123073046","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
PEV charging control for a parking lot based on queuing theory 基于排队理论的停车场电动汽车收费控制
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6579987
Q. Gong, S. Midlam-Mohler, E. Serra, V. Marano, G. Rizzoni
{"title":"PEV charging control for a parking lot based on queuing theory","authors":"Q. Gong, S. Midlam-Mohler, E. Serra, V. Marano, G. Rizzoni","doi":"10.1109/ACC.2013.6579987","DOIUrl":"https://doi.org/10.1109/ACC.2013.6579987","url":null,"abstract":"PEV (Plug-in Electric Vehicle) charging control is important due to the fact that the unregulated charging can have a great impact on current power grid system. This paper concerns the PEV charging control for a case study of a shopping center parking lot. A queuing model is used to predict the temporal evolution of the number of PEVs in the parking lot. The charging control considers the loss of life of a dedicated distribution transformer for the facility. The objective of the control algorithm is to balance the minimization of the transformer loss of life and the maximization of charging service quality. The queuing theory is also used to estimate the waiting time under different number of chargers. The simulation results of the proposed smart charging strategy show the effectiveness of the methodology.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"24 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":"123098401","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: 21
DiSync: Accurate distributed clock synchronization in mobile ad-hoc networks from noisy difference measurements DiSync:移动ad-hoc网络中从噪声差分测量中精确的分布式时钟同步
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580346
Chenda Liao, P. Barooah
{"title":"DiSync: Accurate distributed clock synchronization in mobile ad-hoc networks from noisy difference measurements","authors":"Chenda Liao, P. Barooah","doi":"10.1109/ACC.2013.6580346","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580346","url":null,"abstract":"To perform clock synchronization in mobile ad-hoc networks, nodes need to estimate current time of a global clock based on the readings of their local clocks along with time-stamped messages from their neighbors. We formulate the problem as nodes simultaneously estimating skews and offsets of their own clocks with respect to a global clock from noisy difference measurements of logarithm of skews and that of offsets. These measurements can be obtained by exchanging time stamped messages. A leader-following consensus-based algorithm is proposed to estimate these parameters in a distributed manner. Ideas from stochastic approximation are used to ensure mean square convergence of estimation error under certain conditions. A sequence of scheduled update times is used to meet the requirement of specific decreasing time-varying gains that need to be synchronized across nodes with unsynchronized clocks. Simulations indicate that high accuracy of global time estimation can be maintained for long time duration with the proposed algorithm. Performance of the proposed algorithm is compared through simulations with the virtual clock synchronization algorithm ATS [1]. It is seen that the proposed algorithm is more robust than ATS to measurement noise resulting from random delays in message exchange.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"249 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":"114648756","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: 9
Topology identification for dynamic equivalent models of large power system networks 大型电网动态等效模型的拓扑识别
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6579989
S. Nabavi, A. Chakrabortty
{"title":"Topology identification for dynamic equivalent models of large power system networks","authors":"S. Nabavi, A. Chakrabortty","doi":"10.1109/ACC.2013.6579989","DOIUrl":"https://doi.org/10.1109/ACC.2013.6579989","url":null,"abstract":"In this paper we propose two algorithms to identify the equivalent topology of reduced-order models of power systems using measurements of phase angles and frequencies available from Phasor Measurement Units (PMUs). We first show that the topology identification problem can be posed as a parameter estimation problem. Thereafter, we extract the slow oscillatory component of the PMU measurements using subspace identification methods and use them for identifying the topological parameters via conventional ℓ2 minimization approach. Next, we consider the problem of identifying a sparse equivalent network topology using a ℓ1/ℓ2 minimization technique. We illustrate our results using a IEEE 39-bus model.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"167 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":"121808141","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: 50
Rauch-Tung-Striebel high-degree cubature Kalman smoother Rauch-Tung-Striebel高度培养卡尔曼平滑
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580205
Bin Jia, M. Xin
{"title":"Rauch-Tung-Striebel high-degree cubature Kalman smoother","authors":"Bin Jia, M. Xin","doi":"10.1109/ACC.2013.6580205","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580205","url":null,"abstract":"In this paper, a new Rauch-Tung-Striebel type of nonlinear smoothing method is proposed based on a class of high-degree cubature rules. This high-degree cubature Kalman smoother generalizes the conventional third-degree cubature Kalman smoother and considerably improves its estimation accuracy. A target tracking problem is utilized to demonstrate the performance of this new smoother and compare it with other Gaussian approximation smoothers. It will be shown that the high-degree cubabure Kalman smoother outperforms the extended Kalman smoother, the unscented Kalman smoother, the third-degree cubature Kalman smoother, and maintains close performance to the Gauss-Hermite quadrature smoother with much less computational cost.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"35 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":"116789523","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
A fault-tolerant steering control design for automatic path tracking in autonomous vehicles 面向自动驾驶汽车路径跟踪的容错转向控制设计
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580638
A. Fekih, Darlene Devariste
{"title":"A fault-tolerant steering control design for automatic path tracking in autonomous vehicles","authors":"A. Fekih, Darlene Devariste","doi":"10.1109/ACC.2013.6580638","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580638","url":null,"abstract":"In this paper, a model reference based adaptive controller with look-ahead technology is proposed for the automatic steering of autonomous vehicles in the presence of actuator faults. Following fault detection by an adaptive diagnostic observer, the proposed controller adaptively changes the control technique to compensate for the loss of actuator effectiveness. The proposed method was applied to a ground vehicle following a rigid square wave shaped road under different faulty conditions in the steering actuator. Simplicity of the overall scheme, the speed by which the system is able to recover from the fault and excellent tracking performance under faulty conditions are the main positive features of the proposed approach.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"10 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":"116992903","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
Time-varying norm optimal iterative learning identification 时变范数最优迭代学习辨识
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580894
Nanjun Liu, A. Alleyne
{"title":"Time-varying norm optimal iterative learning identification","authors":"Nanjun Liu, A. Alleyne","doi":"10.1109/ACC.2013.6580894","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580894","url":null,"abstract":"In this paper, we focus on improving the performance of an Iterative Learning Identification (ILI) algorithm for identifying discrete, Single-Input Single-Output (SISO), Linear Time- Varying (LTV) plants that are able to repeat their trajectories. The identification learning laws are determined through an optimization framework, which is similar in nature to the design of norm optimal Iterative Learning Control (ILC). The ILI algorithm has been previously demonstrated to be capable of tracking rapid parameter changes. However, when it is applied to systems with noise, it results in high frequency parameter fluctuation around their true values. This paper suggests a time-varying ILI technique to improve the steady state estimation while maintaining the ILI's ability to track rapid parameter changes.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"7 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":"117136992","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
A model predictive Cooperative Adaptive Cruise Control approach 一种模型预测协同自适应巡航控制方法
2013 American Control Conference Pub Date : 2013-06-17 DOI: 10.1109/ACC.2013.6580028
T. Stanger, L. Re
{"title":"A model predictive Cooperative Adaptive Cruise Control approach","authors":"T. Stanger, L. Re","doi":"10.1109/ACC.2013.6580028","DOIUrl":"https://doi.org/10.1109/ACC.2013.6580028","url":null,"abstract":"Reduction of fuel consumption is one of the primary goals of modern automotive engineering. While in the past the focus was on more efficient engine design and control there is an upcoming interest on economic context aware control of the complete vehicle. Technical progress will enable future vehicles to interact with other traffic participants and the surrounding infrastructure, collecting information which allow for reduction of fuel consumption by predictive vehicle control strategies. The principle of Model Predictive Control allows a straightforward integration of e.g. navigation systems, on-board radar sensors, V2V- and V2I-communication whilst regarding constraints and dynamic of the system. This paper presents a Linear Model Predictive Control approach to Cooperative Adaptive Cruise Control, directly minimizing the fuel consumption rather than the acceleration of the vehicle. To this end the nonlinear static fuel consumption map of the internal combustion engine is included into the control design by a piecewise quadratic approximation. Inclusion of a linear spacing policy prevents rear end collisions. Simulation results demonstrate the fuel and road capacity benefits, for a single vehicle and for a string of vehicles, equipped with the proposed control, in comparison to vehicles operated by a non-cooperative adaptive cruise control. Full information on the speed prediction of the predecessor is assumed, hence the purpose of this paper is twofold. On the one hand, best achievable benefits, of the proposed control, due to perfect prediction are demonstrated. On the other hand, the paper studies the behavior of the considered control and the influence of the prediction horizon.","PeriodicalId":145065,"journal":{"name":"2013 American Control Conference","volume":"15 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":"121346520","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: 116
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