Execution Monitoring Applied to Data Estimation Processes

Freire, Eduardo Oliveira; Carvalho, Elisete Mendes; Cardoso, Carlos Alberto Villacorta; Luciano, Benedito Antonio

doi:10.1109/lars.2008.19

Cited by 5 publications

(5 citation statements)

References 10 publications

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“…Freire et al also considered the use of fault detection methods applied to data estimation [16]. An adaptive threshold is used to detect and eliminate faulty measurements before submit the data to fusion processes based on the Information Filter.…”

Section: B Environmental Information Extraction and Mappingmentioning

confidence: 99%

“…Target Detection and Tracking Kalman Filter [9], [10] Monte Carlo Filter [11], [12] Environmental Information Extraction and Mapping Information Filter [13] Decentralized Information Filter [16], [17] Information Filter / α-β Filter [14] Extended Kalman Filter [18] Other Sensing Tasks Descriptor Kalman Filter [19], [21] Extended Kalman Filter [20] Pose Tracking Extended Kalman Filter [22][23][24][25][26][27], [30] Unscented Kalman Filter [28], [29] Information Filter / α-β Filter [32] Decentralized Information Filter [33] Descriptor Kalman Filter [34], [35] Global Localization…”

Section: Application Tool Referencesmentioning

confidence: 99%

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Applications of Stochastic Approaches in Mobile Robotics: An Overview of Recent Brazilian Works

Alves

Lima

Freire

et al. 2010

2010 Latin American Robotics Symposium and Intelligent Robotics Meeting

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Stochastic approaches have become increasingly common in robotics. Techniques that consider the uncertainties of sensors and models are being adopted in various applications. In this context, state estimation techniques play an important role, since they deal directly with these uncertainties, making systems more reliable. This paper aims to survey the state of the art of application of stochastic approaches in robotics in the context of the work developed in Brazil. At the end, the main applications that use stochastic approaches in robotics are summarized, and the main tools used in each case are suggested. Moreover, the main outstanding issues, which should be the focus of further research, are indicated. Thus, this paper is intended to be a useful tool for new researchers in this booming research area.

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Section: B Environmental Information Extraction and Mappingmentioning

confidence: 99%

Section: Application Tool Referencesmentioning

confidence: 99%

Applications of Stochastic Approaches in Mobile Robotics: An Overview of Recent Brazilian Works

Alves

Lima

Freire

et al. 2010

2010 Latin American Robotics Symposium and Intelligent Robotics Meeting

Self Cite

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“…comparison is performed by the "Decision When a fault is detected, the "Decision signalizes the "Estimation" block that observation vector is not reliable. In this cas phase of the α-β Filter is not executed, an obtained in the output of the prediction phase the output vector of parameters [5] [16].…”

Section: The Fault-tolerant Estimation Processmentioning

confidence: 99%

Fault-tolerant weld line detection for automatic inspection of storage tanks based on distance and visual information fusion

Carvalho

Luciano

Freire

et al. 2009

2009 IEEE Intrumentation and Measurement Technology Conference

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Quality control, cost reduction and above all, human and environmental safety are great reasons that stimulate the investments in technologies like automatic inspection. The automatic inspection of weld lines in storage tanks is of special interest, due to the fact that such tanks are currently used to store harmful products. For a reliable inspection it is necessary to accurate detect the weld line position. In this paper the development of a system to perform weld line detection in storage tanks is proposed. Two redundant systems, based on different physical principles, distance and visual information, are implemented and tested. Such systems make use of a fault-tolerant estimation process based on the α-β filter. Finally, the outputs of the two redundant systems are fused, aiming at to increase the confidence and performance of the system.

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“…Para um bom funcionamento de qualquer sistema automatizado, seja estacionário ou dinâmico, na indústria química ou em sistemas robóticos, é imprescindível o emprego de um projeto de sistema de controle com auxílio de um modelo adequado do processo, e alimentado com medições confiáveis das variáveis de estado de interesse (FREIRE et al, 2008).…”

Section: Introductionunclassified

Análise de técnicas de reconciliação de dados aplicadas a um sistema aquecedor de tanque agitado

et al. 2015

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The measurement of variables from an industrial process is of great importance in systems in which decisions are made based on these measurements, as in control systems. However, these measurements are always accompanied by errors, random or gross. This is not different in the process of water heating. An alternative for a greater reliability of the variables is the use of data reconciliation (DR). DR arises from the development of techniques for measurement and data storage. Its role is to ensure the consistency of data using the redundancy of the measurements and a statistical model of the measurements to increase its accuracy. This work investigates techniques for data reconciliation and its use in reducing the errors observed in measurements on a continuous stirred tank heater. ResumoA medição das variáveis envolvidas em um processo industrial tem uma grande importância em sistemas em que decisões são tomadas baseadas nessas medições, como é o caso de sistemas de controle. Porém, essas medições sempre são acompanhadas de erros, sejam eles aleatórios ou grosseiros. No processo de aquecimento da água utilizando um sistema aquecedor de tanque agitado contínuo isso não é diferente. Uma alternativa para uma maior confiabilidade das variáveis é o uso da reconciliação de dados (RD). A RD trata de um problema advindo da evolução das técnicas de medição e armazenamento de dados. Esta tem o papel de garantir a consistência destes dados, utilizando a redundância das variáveis medidas e um modelo estatístico da medição para aumentar a precisão dos dados. Este trabalho investiga as técnicas de reconciliação de dados e seu emprego na redução dos erros observados nas medições num sistema aquecedor de tanque agitado contínuo.

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Execution Monitoring Applied to Data Estimation Processes

Cited by 5 publications

References 10 publications

Applications of Stochastic Approaches in Mobile Robotics: An Overview of Recent Brazilian Works

Applications of Stochastic Approaches in Mobile Robotics: An Overview of Recent Brazilian Works

Fault-tolerant weld line detection for automatic inspection of storage tanks based on distance and visual information fusion

Análise de técnicas de reconciliação de dados aplicadas a um sistema aquecedor de tanque agitado

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