By a hybrid system we mean a discrete controller in interaction with a physical environment. This paper discusses methodologies for incorporating physically grounded models in representations of hybrid systems. To thi...
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Most speech recognition systems are unable to cope with data from high-resolution pre-processors (such as auditory models and high-resolution spectral estimates) for two reasons. One is due to the inappropriateness of...
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Most speech recognition systems are unable to cope with data from high-resolution pre-processors (such as auditory models and high-resolution spectral estimates) for two reasons. One is due to the inappropriateness of measures related to the Euclidean distance. The other is somewhat less obvious, but is due to the non-ergodic nature of short-term parameterisations of speech sounds. This aspect of speech variability is addressed. The authors show how a linear, but nonstationary, vector predictor, based on the concept of 'acoustic flow', can be used to estimate the redundancy in speech data, paving the way for an improvement in recognition performance.< >
The state of the art of control libraries is presented. Attention is paid to the joining of efforts to developing a future mature control library based on the two existing libraries in active development RASP and SLIC...
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The state of the art of control libraries is presented. Attention is paid to the joining of efforts to developing a future mature control library based on the two existing libraries in active development RASP and SLICOT. The educational aspects of the use of control libraries are emphasized.
Describes an experimental implementation of a multivariable adaptive control to the regulation of temperatures in an industrial multizone reheating furnace operating in a tube drawing plant at Podbrezova (middle Slova...
Describes an experimental implementation of a multivariable adaptive control to the regulation of temperatures in an industrial multizone reheating furnace operating in a tube drawing plant at Podbrezova (middle Slovakia). The motivation for the experiments was to test the practical possibilities of the adaptive control algorithms in the reduction of fuel consumption in comparison to existing digital PID control of the furnace temperatures.
This report deals with the detection and diagnosis of faults (FDD) when they develop in different parts of a wastewater treatment plant, situated in Manresa, Spain. When a fault occurs estimates of parameters in a non...
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This report deals with the detection and diagnosis of faults (FDD) when they develop in different parts of a wastewater treatment plant, situated in Manresa, Spain. When a fault occurs estimates of parameters in a non-linear mathematical model of the plant change. Some methods for detection and tracking the values of different parameters are proposed, where only large parameter changes are considered in this work. The methods have a common structure with three basic elements: a basic identification algorithm, a detector of the parameter changes and an adaptive procedure for improving the tracking capability of the identifier. A set of simulation experiments are presented in order to compare them.
The problem of correctness and timing of reactions of an agent in interaction with a physical environment is addressed. To this end, a method based on composition of separate models of the software and the environment...
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This paper is concerned with introducing a genetic-based algorithm for the minimum-time trajectory planning of articulated robotic manipulators. The planning procedure is performed in the configuration space and respe...
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This paper is concerned with introducing a genetic-based algorithm for the minimum-time trajectory planning of articulated robotic manipulators. The planning procedure is performed in the configuration space and respects all physical constraints imposed on the manipulator design, including the limits on the torque values applied to the motor of each joint of the arm; consequently, the complete nonlinear dynamic robot model is incorporated in the formulation.< >
Signals transmitted over poor radio channels are interfered by fading noise to be degraded in speech *** short time DFT(ST DFT) compander has successfully excluded envelope detection owing tn(?)mploying concept of ins...
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Signals transmitted over poor radio channels are interfered by fading noise to be degraded in speech *** short time DFT(ST DFT) compander has successfully excluded envelope detection owing tn(?)mploying concept of instantaneous spectrum instead of employing approximated AM demodulation in realizing the envelope *** ST DFT compander is able to reduce fading noise to improve speech quality over poor radio channels without any *** ST DFT compander is discussed in this paper to optimize their structures and is also discussed to be sufficient in noise reduction both from the -oretical analysis and computer simulations.
This paper presents optimum pairing and ordering (P/O) conditions for simultaneous reduction in total capacitance, sensitivity and output noise of cascade SC filters. First, investigating relations among conditions pr...
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An autonomous and decentralized system called ACTRESS (ACTor based Robot and Equipment Synthetic system) is being under development as an intelligent robot system which can execute high level tasks. ACTRESS is compose...
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