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2009 IEEE Conference on Emerging Technologies & Factory Automation最新文献

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Asynchronous control of unstable linear systems via L2-gain-based transformations 基于l2增益变换的不稳定线性系统的异步控制
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-12-04 DOI: 10.1109/ETFA.2009.5347173
M. López-Martínez, J. M. Cano, F. Rubio
{"title":"Asynchronous control of unstable linear systems via L2-gain-based transformations","authors":"M. López-Martínez, J. M. Cano, F. Rubio","doi":"10.1109/ETFA.2009.5347173","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347173","url":null,"abstract":"This paper presents a method to analyze the stability of the feedback interconnection of a class of systems when the sampled signal associated to the feedback interconnection is asynchronous. In order to guarantee a stable interconnection, a combined transformation based on L2 - gain criteria is introduced before sampling and sending the information through the network. We include a synthesis method to obtain the transformation in the side of the system, the transformation in the side of the controller, assuming that the controller is given, and the maximum sample time preserving stability of the interconnection.","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130369848","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
Improved PID autotuning for balanced control operation a]1|O. ^Arrieta a]2|A. ^Visioli a]1|R. ^Vilanova 一种改进的PID自整定平衡控制方法[1]0。^实习2 |。^ Visioli 1 | R。^ Vilanova
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-12-04 DOI: 10.1109/ETFA.2009.5347208
O. Arrieta, A. Visioli, R. Vilanova
{"title":"Improved PID autotuning for balanced control operation a]1|O. ^Arrieta a]2|A. ^Visioli a]1|R. ^Vilanova","authors":"O. Arrieta, A. Visioli, R. Vilanova","doi":"10.1109/ETFA.2009.5347208","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347208","url":null,"abstract":"This paper analyzes optimal controller settings for controllers with One-Degree-of-Freedom (1-DoF) Proportional-Integral-Derivative (PID) structure. The analysis is conducted from the point of view of the operating mode (either servo or regulation mode) of the control-loop and tuning mode of the controller. Performance of the optimal tuning settings can be degraded when the operating mode is different from that selected for tuning and obviously both situations can be present in any control system. In this context, a Performance Degradation index is minimized and based on this minimization, an autotuning procedure as a function of the normalized process dead-time is proposed.","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"145 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129059508","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
An agent-based approach for automating the disturbance handling for flexible manufacturing systems 基于智能体的柔性制造系统干扰处理自动化方法
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-09-22 DOI: 10.1109/ETFA.2009.5347230
I. Badr, P. Göhner
{"title":"An agent-based approach for automating the disturbance handling for flexible manufacturing systems","authors":"I. Badr, P. Göhner","doi":"10.1109/ETFA.2009.5347230","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347230","url":null,"abstract":"In this paper, an agent-based approach for automating the disturbance handling in flexible manufacturing systems is proposed. This approach builds on a model that captures the environmental context of disturbances to derive their expected impact. Distributed hierarchical optimization is employed to update the generated schedule under consideration of efficiency and stability. The proposed approach has been realized and tested on a model of a real flexible manufacturing system. Test results have shown a very good potential for the proposed approach in automating disturbance handling by keeping small deviations from the original schedule and achieving high efficiency measures with good reactivity.","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121819714","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
New iterative algorithm for hyperbolic positioning used in an Ultrasonic Local Positioning System 超声局部定位系统中双曲定位的新迭代算法
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-09-22 DOI: 10.1109/ETFA.2009.5347237
F. D. Ruiz, J. Ureña, I. Gude, J. M. Villadangos, J. García, M. C. Pérez, Enrique García
{"title":"New iterative algorithm for hyperbolic positioning used in an Ultrasonic Local Positioning System","authors":"F. D. Ruiz, J. Ureña, I. Gude, J. M. Villadangos, J. García, M. C. Pérez, Enrique García","doi":"10.1109/ETFA.2009.5347237","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347237","url":null,"abstract":"Ultrasonic local positioning systems (US-LPS) utilize hyperbolic trilateration to avoid the necessity of synchronizing the beacons and the tag. In actual systems the beacons emit coded signals which are processed in the tag to obtain the time-differences of arrival, with one of the beacons as reference. The absolute position is computed using an iterative method to solve the non-linear equation system as the Newton-Gauss algorithm: it is time-consuming and need a good initialization of the estimated position. In this work, a new and simpler iterative algorithm is presented to be used in hyperbolic trilateration derived using the Cayley-Menger bideterminant. Instead of use the iterative algorithm to compute the coordinates of the tag position (three unknowns in 3D), here is used to calculate the distance from the tag to the reference beacon (only one unknown).","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117207016","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
Service rate optimization in inventory-production systems with time-varying and incomplete deterministic demand 时变不完全确定性需求下库存生产系统的服务率优化
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-09-22 DOI: 10.1109/ETFA.2009.5347052
D. Giglio, R. Minciardi, S. Sacone, S. Siri
{"title":"Service rate optimization in inventory-production systems with time-varying and incomplete deterministic demand","authors":"D. Giglio, R. Minciardi, S. Sacone, S. Siri","doi":"10.1109/ETFA.2009.5347052","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347052","url":null,"abstract":"A specific class of production systems is considered in this paper with the aim of minimizing inventory and production costs, over a finite horizon. In such a class of systems, all processes (arrival and departure of parts, production, demand to be satisfied) are modelled as piece-wise constant functions that change their values at asynchronous time instants. The decision variables are the constant rate at which raw parts enter the system and the service rate at the various time instants. In the paper, both the case of completely known demand and that of incomplete demand is taken into account. In both cases, a solution algorithm is provided in order to determine the optimal (or sub-optimal, in case of incomplete demand) solution of the optimization problem.","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121025357","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
Aperiodic traffic in response time analyses with adjustable safety level 安全水平可调的非周期交通响应时间分析
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-09-22 DOI: 10.1109/ETFA.2009.5347149
D. Khan, N. Navet, B. Bavoux, J. Migge
{"title":"Aperiodic traffic in response time analyses with adjustable safety level","authors":"D. Khan, N. Navet, B. Bavoux, J. Migge","doi":"10.1109/ETFA.2009.5347149","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347149","url":null,"abstract":"In distributed real-time systems it is crucial to ensure the temporal validity of the data exchanged among the nodes. Classically, the frame worst case response time (WCRT) analyses, and the software tools which implement them, do not take into account the aperiodic traffic. One of the main reasons for this is that the aperiodic traffic is generally very difficult to characterize (i.e., the arrival patterns of the aperiodic frames). The consequence of this is that one tends to underestimate the WCRT, which may have an impact on the overall safety of the system. In this paper, we propose a probabilistic approach to model the aperiodic traffic and integrate it into response time analysis. The approach allows the system designer to choose the safety level of the analysis based on the system's dependability requirements. Compared to existing deterministic approaches the approach leads to more realistic WCRT evaluation and thus to a better dimensioning of the hardware platform.","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"154 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127340086","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: 27
Robot localization method by acoustical signal identification 基于声信号识别的机器人定位方法
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-09-22 DOI: 10.1109/ETFA.2009.5347171
M. Manzanares, Edmundo Guerra, Y. Bolea, A. Grau-Saldes
{"title":"Robot localization method by acoustical signal identification","authors":"M. Manzanares, Edmundo Guerra, Y. Bolea, A. Grau-Saldes","doi":"10.1109/ETFA.2009.5347171","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347171","url":null,"abstract":"Non-speech audio is a non-explored characteristic in robot localization but due to its potentiality it can yield a valuable information together with other sensorial systems. In this work, a novel robot localization method is proposed based on audio signal pattern recognition with extracted features from signal identification. To reinforce the localization, avoiding ambiguity and reducing uncertainty, a sensorial system is used aboard the robot to compute the angle between itself and the sound source. This method can be generalized to any non-speech sound signal because the acoustical meaning and the room geometry are related.","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"288 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127401963","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
Estimation based control of flexible systems-sensorless wave based technique 基于估计的柔性系统控制——基于无传感器波的控制技术
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-09-22 DOI: 10.1109/ETFA.2009.5347053
I. Khalil, E. D. Kunt, A. Sabanoviç
{"title":"Estimation based control of flexible systems-sensorless wave based technique","authors":"I. Khalil, E. D. Kunt, A. Sabanoviç","doi":"10.1109/ETFA.2009.5347053","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347053","url":null,"abstract":"This paper presents an algorithm for parameters and positions estimation of lumped flexible systems. As soon as the parameters and the positions are estimated they can be used to design virtual sensors that can be moved along the system to estimate the position of any lumped mass keeping the system free from any attached sensors. The virtual sensors are nothing but a chain of estimators that are connected at the end of each other, starting with two actuator's measurements and ending up with system parameters and all the system lumped positions. An estimation Based PID controller is presented based on the feedback of the virtual sensor's estimates instead of the actual measurement.","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125544657","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
A dynamic lighting system for automated visual inspection of headlamp lenses 一种动态照明系统，用于自动视觉检查前照灯镜头
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-09-22 DOI: 10.1109/ETFA.2009.5347252
S. S. Martínez, J. Ortega, J. García, A. García
{"title":"A dynamic lighting system for automated visual inspection of headlamp lenses","authors":"S. S. Martínez, J. Ortega, J. García, A. García","doi":"10.1109/ETFA.2009.5347252","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347252","url":null,"abstract":"This paper presents a novel lighting system to reveal surface defects on transparent parts with non-planar surface. Thanks to this system, the defect segmentation is straightforward and fast to compute and so a real-time inspection of these parts is possible. To aid in the conception of the imaging conditions, the lighting system is completely described and also a comparative study with others commercial lighting systems is done. Then, a new adaptive threshold selection algorithm for defect segmentation is proposed. Finally, the system performance is assessed using a commercial model of headlamp lens.","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125695082","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
Authentication and location control via RFID analysis 通过RFID分析进行身份验证和位置控制
2009 IEEE Conference on Emerging Technologies & Factory Automation Pub Date : 2009-09-22 DOI: 10.1109/ETFA.2009.5347114
Khalid Agurare, F. Mourlin
{"title":"Authentication and location control via RFID analysis","authors":"Khalid Agurare, F. Mourlin","doi":"10.1109/ETFA.2009.5347114","DOIUrl":"https://doi.org/10.1109/ETFA.2009.5347114","url":null,"abstract":"To develop and demonstrate accurate allocation and placement on network, we implemented a flexible location framework which is able to use RFID sensors for authentication and positioning adequate software environment. This application is particularly useful in an evolving network where a workstation is not dedicated to a specific use or user. Each user has own RFID badge and each workstation also. When a new user wants to access to network, first, he has to be recognized by the front server. The server loads information about user work context and books a free workstation for this user. This work context is export to the workstation by the use of mobile agent. The new user will have to connect on the particular workstation and will have access to all his data and application. Mobile agents are also controllers and observe and check what the user does.","PeriodicalId":444536,"journal":{"name":"2009 IEEE Conference on Emerging Technologies & Factory Automation","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127003630","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
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