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检索条件"机构=ISR-Institute of Systems and Robotics Department of Electrical and Computer Engineering"
722 条 记 录,以下是111-120 订阅
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Evolutionary fuzzy models for nonlinear identification
Evolutionary fuzzy models for nonlinear identification
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International Conference on Emerging Technologies and Factory Automation (ETFA)
作者: Jérôme Mendes Samuel Pinto Rui Araújo Francisco Souza Institute of Systems and Robotics (ISR-UC) and Department of Electrical and Computer Engineering (DEEC-UC) University of Coimbra Coimbra Portugal
This paper proposes a new method for identification problems for industrial applications based on a Takagi-Sugeno (T-S) fuzzy model. The learning of the T-S model is performed from input/output data to approximate unk...
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Binocular tracking and accommodation controlled by retinal motion flow
Binocular tracking and accommodation controlled by retinal m...
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International Conference on Pattern Recognition
作者: J. Batista P. Peixoto H. Araujo ISR-Institute of Systems and Robotics Department of Electrical Engineering University of Coimbra Coimbra Portugal
Describes a tracking and accommodation system controlled by retinal motion flow. The tracking system decomposes two basic behaviors: smooth-pursuit and vergence. Both behaviors are optical flow based. The eye's ac... 详细信息
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Design and application of Soft Sensor using Ensemble Methods
Design and application of Soft Sensor using Ensemble Methods
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International Conference on Emerging Technologies and Factory Automation (ETFA)
作者: Symone Soares Rui Araújo Pedro Sousa Francisco Souza Institute of Systems and Robotics (ISR-UC) and Department of Electrical and Computer Engineering (DEEC-UC) University of Coimbra Coimbra Portugal
Industries are faced with the choice of suitable process control policies to improve costs, quality and raw material consumption. In the paper pulp industry, it is important to estimate quickly the Chemical Oxygen Dem... 详细信息
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Human Detection Combining RGB and Thermal Modalities
Human Detection Combining RGB and Thermal Modalities
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Intelligent Reality (ICIR), IEEE International Conference on
作者: Chaymaa Fakrane Kennedy O. S. Mota Cristiano Premebida Rui P. Rocha Dept. of Electrical and Computer Engineering (DEEC) Institute of Systems and Robotics (ISR) University of Coimbra Portugal
This paper addresses a late-fusion approach that combines RGB and thermal (long-wave IR) modalities to enhance human detection in indoor environments for robotic perception domains. The study explores multimodal human... 详细信息
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Robot navigation using visual information
Robot navigation using visual information
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Annual Conference of Industrial Electronics Society
作者: I. Fonseca J. Dias ISR-Institute of Systems and Robotics Electrical Engineering Department University of Coimbra Coimbra Portugal
This paper addresses the problem of performing navigation with a mobile robot using active vision exploring the image sphere properties in a stereo divergent configuration. The navigational process is supported by the... 详细信息
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Stable indirect adaptive predictive fuzzy control for industrial processes
Stable indirect adaptive predictive fuzzy control for indust...
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International Conference on Emerging Technologies and Factory Automation (ETFA)
作者: Jérôme Mendes Rui Araújo Institute of Systems and Robotics (ISR-UC) and Department of Electrical and Computer Engineering (DEEC-UC) University of Coimbra Coimbra Portugal
The paper proposes a stable indirect adaptive fuzzy predictive control, which is based on a discrete-time Takagi-Sugeno (T-S) fuzzy model and on the Generalized predictive control (GPC) algorithm. The T-S fuzzy model ... 详细信息
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Optoelectronic proximity sensor for robotics applications
Optoelectronic proximity sensor for robotics applications
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Mediterranean Electrotechnical Conference (MELECON)
作者: L. Marques D. Castro U. Nunes A.T. de Almeida ISR-Institute Cor Systems and Robotics Electrical Engineering Department University of Coimbra Portugal
This paper describes an optoelectronic proximity and orientation sensor. We present the sensor modelling and real and simulated results. The sensor is composed by a light emitter and an array of photodetectors that me... 详细信息
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Reducing position errors arising from control-space quantisation on a mobile robot
Reducing position errors arising from control-space quantisa...
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IEEE International Symposium on Industrial Electronics (ISIE)
作者: R. Araujo A.T. de Almeida Institute of Systems and Robotics ISR and Electrical Engineering Department University of Coimbra Coimbra Portugal
Quantisation of control space is frequently present on a mobile robot. This often results on position errors due to the finite set of available wheels velocities. In this article, the authors present two algorithms th... 详细信息
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Variable and time-lag selection using empirical data
Variable and time-lag selection using empirical data
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International Conference on Emerging Technologies and Factory Automation (ETFA)
作者: Francisco Souza Rui Araújo Institute of Systems and Robotics (ISR-UC) and Department of Electrical and Computer Engineering (DEEC-UC) University of Coimbra Coimbra Portugal
The paper proposes a method to select the best variables and respective time-lags for industrial applications when the objective is the estimation of a target variable using the information content of empirical data. ... 详细信息
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Co-evolutionary genetic Multilayer Perceptron for feature selection and model design
Co-evolutionary genetic Multilayer Perceptron for feature se...
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International Conference on Emerging Technologies and Factory Automation (ETFA)
作者: Francisco Souza Tiago Matias Rui Araójo Institute of Systems and Robotics (ISR-UC) and Department of Electrical and Computer Engineering (DEEC-UC) University of Coimbra Coimbra Portugal
This paper proposes a method for Soft Sensors design using a Multilayer Perceptron model based on co-evolutionary genetic algorithms, called CEV-MLP. This method jointly and automatically selects the best input variab... 详细信息
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