Fault Detection Schemes for Discrete-Time Linear Markov Jump Systems

 
9783844017649: Fault Detection Schemes for Discrete-Time Linear Markov Jump Systems

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1.

Saijai, Jedsada
Edité par Shaker Verlag (2013)
ISBN 10 : 384401764X ISBN 13 : 9783844017649
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Revaluation Books
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Description du livre Shaker Verlag, 2013. Paperback. État : Brand New. 8.27x5.98x0.67 inches. In Stock. N° de réf. du libraire __384401764X

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2.

Jedsada Saijai
Edité par Shaker Verlag Mrz 2013 (2013)
ISBN 10 : 384401764X ISBN 13 : 9783844017649
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Description du livre Shaker Verlag Mrz 2013, 2013. Buch. État : Neu. Neuware - Fault detection (FD) is nowadays accepted as an essential process supervisory unit and widely integrated into advanced automatic systems in order to increase their reliability and safety. Among those advanced automatic systems, there exist systems with random abrupt changes in their dynamic behavior. These special systems are successfully modeled by a so-called Markov jump linear systems (MJLS). This dissertation presents the design of observer-based FD schemes for a discrete-time MJLS, which are subject to random disturbances with normal distribution. The observer-based FD generally consists of two stages called residual generation and residual evaluation. It is known that the residual signal contains needed information about the faults to be detected. However, a decision whether a fault occurs or not is consequently made in the residual evaluation stage, which consists of evaluation function and threshold setting. For this reason, a successful FD strongly depends on a threshold computation with respect to a given residual evaluation function. In this dissertation, a Kalman filter (KF) is designed and used as a residual generator. Without any knowledge of the probability density function (pdf) of generated residual signal before and after fault occurrence, the threshold is computed by using an estimation of the residual evaluation function variance in the fault-free case. Based on an accessibility of Markov chain, two cases of the residual signal are used for setting a threshold, namely mode-dependent and mode-independent residual. Furthermore, an FD scheme with a trade-off between FD performance indexes expressed in terms of false alarm rate (FAR) and fault detection rate (FDR) has been proposed. The post-filter is selected such that the maximum FDR is achieved, for a given FAR and vice versa. Finally, a numerical example and the application to the lateral vehicle dynamic system are given in order to demonstrate the performance of this proposed method. 136 pp. Englisch. N° de réf. du libraire 9783844017649

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3.

Jedsada Saijai
Edité par Shaker Verlag Mrz 2013 (2013)
ISBN 10 : 384401764X ISBN 13 : 9783844017649
Neuf(s) Taschenbuch Quantité : 2
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AHA-BUCH GmbH
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Description du livre Shaker Verlag Mrz 2013, 2013. Taschenbuch. État : Neu. Neuware - Fault detection (FD) is nowadays accepted as an essential process supervisory unit and widely integrated into advanced automatic systems in order to increase their reliability and safety. Among those advanced automatic systems, there exist systems with random abrupt changes in their dynamic behavior. These special systems are successfully modeled by a so-called Markov jump linear systems (MJLS). This dissertation presents the design of observer-based FD schemes for a discrete-time MJLS, which are subject to random disturbances with normal distribution. The observer-based FD generally consists of two stages called residual generation and residual evaluation. It is known that the residual signal contains needed information about the faults to be detected. However, a decision whether a fault occurs or not is consequently made in the residual evaluation stage, which consists of evaluation function and threshold setting. For this reason, a successful FD strongly depends on a threshold computation with respect to a given residual evaluation function. In this dissertation, a Kalman filter (KF) is designed and used as a residual generator. Without any knowledge of the probability density function (pdf) of generated residual signal before and after fault occurrence, the threshold is computed by using an estimation of the residual evaluation function variance in the fault-free case. Based on an accessibility of Markov chain, two cases of the residual signal are used for setting a threshold, namely mode-dependent and mode-independent residual. Furthermore, an FD scheme with a trade-off between FD performance indexes expressed in terms of false alarm rate (FAR) and fault detection rate (FDR) has been proposed. The post-filter is selected such that the maximum FDR is achieved, for a given FAR and vice versa. Finally, a numerical example and the application to the lateral vehicle dynamic system are given in order to demonstrate the performance of this proposed method. 136 pp. Englisch. N° de réf. du libraire 9783844017649

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Jedsada Saijai
Edité par Shaker Verlag Mrz 2013 (2013)
ISBN 10 : 384401764X ISBN 13 : 9783844017649
Neuf(s) Quantité : 2
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Rheinberg-Buch
(Bergisch Gladbach, Allemagne)
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Description du livre Shaker Verlag Mrz 2013, 2013. Buch. État : Neu. Neuware - Fault detection (FD) is nowadays accepted as an essential process supervisory unit and widely integrated into advanced automatic systems in order to increase their reliability and safety. Among those advanced automatic systems, there exist systems with random abrupt changes in their dynamic behavior. These special systems are successfully modeled by a so-called Markov jump linear systems (MJLS). This dissertation presents the design of observer-based FD schemes for a discrete-time MJLS, which are subject to random disturbances with normal distribution. The observer-based FD generally consists of two stages called residual generation and residual evaluation. It is known that the residual signal contains needed information about the faults to be detected. However, a decision whether a fault occurs or not is consequently made in the residual evaluation stage, which consists of evaluation function and threshold setting. For this reason, a successful FD strongly depends on a threshold computation with respect to a given residual evaluation function. In this dissertation, a Kalman filter (KF) is designed and used as a residual generator. Without any knowledge of the probability density function (pdf) of generated residual signal before and after fault occurrence, the threshold is computed by using an estimation of the residual evaluation function variance in the fault-free case. Based on an accessibility of Markov chain, two cases of the residual signal are used for setting a threshold, namely mode-dependent and mode-independent residual. Furthermore, an FD scheme with a trade-off between FD performance indexes expressed in terms of false alarm rate (FAR) and fault detection rate (FDR) has been proposed. The post-filter is selected such that the maximum FDR is achieved, for a given FAR and vice versa. Finally, a numerical example and the application to the lateral vehicle dynamic system are given in order to demonstrate the performance of this proposed method. 136 pp. Englisch. N° de réf. du libraire 9783844017649

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Jedsada Saijai
Edité par Shaker Verlag Mrz 2013 (2013)
ISBN 10 : 384401764X ISBN 13 : 9783844017649
Neuf(s) Quantité : 2
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Agrios-Buch
(Bergisch Gladbach, Allemagne)
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Description du livre Shaker Verlag Mrz 2013, 2013. Buch. État : Neu. Neuware - Fault detection (FD) is nowadays accepted as an essential process supervisory unit and widely integrated into advanced automatic systems in order to increase their reliability and safety. Among those advanced automatic systems, there exist systems with random abrupt changes in their dynamic behavior. These special systems are successfully modeled by a so-called Markov jump linear systems (MJLS). This dissertation presents the design of observer-based FD schemes for a discrete-time MJLS, which are subject to random disturbances with normal distribution. The observer-based FD generally consists of two stages called residual generation and residual evaluation. It is known that the residual signal contains needed information about the faults to be detected. However, a decision whether a fault occurs or not is consequently made in the residual evaluation stage, which consists of evaluation function and threshold setting. For this reason, a successful FD strongly depends on a threshold computation with respect to a given residual evaluation function. In this dissertation, a Kalman filter (KF) is designed and used as a residual generator. Without any knowledge of the probability density function (pdf) of generated residual signal before and after fault occurrence, the threshold is computed by using an estimation of the residual evaluation function variance in the fault-free case. Based on an accessibility of Markov chain, two cases of the residual signal are used for setting a threshold, namely mode-dependent and mode-independent residual. Furthermore, an FD scheme with a trade-off between FD performance indexes expressed in terms of false alarm rate (FAR) and fault detection rate (FDR) has been proposed. The post-filter is selected such that the maximum FDR is achieved, for a given FAR and vice versa. Finally, a numerical example and the application to the lateral vehicle dynamic system are given in order to demonstrate the performance of this proposed method. 136 pp. Englisch. N° de réf. du libraire 9783844017649

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ISBN 10 : 384401764X ISBN 13 : 9783844017649
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Description du livre État : New. N° de réf. du libraire 24524894-n

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7.

Jedsada Saijai
Edité par Shaker Verlag (2013)
ISBN 10 : 384401764X ISBN 13 : 9783844017649
Neuf(s) Paperback Quantité : 3
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The Book Depository EURO
(London, Royaume-Uni)
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Description du livre Shaker Verlag, 2013. Paperback. État : New. Language: English . Brand New Book. N° de réf. du libraire LIB9783844017649

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