Found 143 Documents (Results 1–100)
Robust integration of fault estimation and sliding mode fault-tolerant control for interconnected systems against sensor fault. (English) Zbl 07892518
MSC:
93-XX
Fault estimation and active fault-tolerant control for a class of nonlinear systems with actuator and sensor faults based on unknown input iterative learning. (English) Zbl 07892466
MSC:
93-XX
Prescribed-time sensor fault estimation for linear systems with unknown inputs by periodic delayed observers. (English) Zbl 1541.93336
Reset unknown input observer for robust actuator and sensor fault estimation based on a descriptor system approach. (English) Zbl 1537.93267
A Kalman-filtering derivation of input and state estimation for linear discrete-time systems with direct feedthrough. (English) Zbl 1536.93938
Reviewer: Mikhail P. Moklyachuk (Kyïv)
Artificial bee colony algorithm-based design of discrete-time stable unknown input estimator. (English) Zbl 1536.93894
Secure estimation, attack isolation, and reconstruction based on zonotopic unknown input observer. (English) Zbl 07810970
\({H}_{\infty}\) filtering and reduced-order optimization methods for control of time-delay linear systems with unknown disturbances and faults. (English) Zbl 1531.93081
Unknown input observer design for a class of semilinear hyperbolic systems with dynamic boundary conditions. (English) Zbl 07746900
Identifiability analysis of noise covariances for LTI stochastic systems with unknown inputs. (English) Zbl 07744937
MSC:
93-XX
Boundedness of the optimal state estimator rejecting unknown inputs. (English) Zbl 07742261
MSC:
93E11
Adaptive observer-based control of arbitrarily switched fractional-order uncertain nonlinear system subject to input nonlinearities and asymmetric output constraints. (English) Zbl 1522.93093
Secure state estimation for cyber-physical systems by unknown input observer with adaptive switching mechanism. (English) Zbl 1521.93189
Noise covariance estimation via autocovariance least-squares with deadbeat filters. (English) Zbl 1520.93549
A novel design approach to state and fault estimation for interconnected systems using distributed observer. (English) Zbl 1511.93044
MSC:
93B53
Simultaneous actuator and sensor fault reconstruction of singular delayed linear parameter varying systems in the presence of unknown time varying delays and inexact parameters. (English) Zbl 07842385
Intermediate-variable-based Kalman filter for linear time-varying systems with unknown inputs. (English) Zbl 07769364
MSC:
93-XX
Strong detectability and observers for linear time-varying systems. (English) Zbl 1507.93041
Reviewer: Krishnan Balachandran (Coimbatore)
State estimation using a network of distributed observers with unknown inputs. (English) Zbl 1505.93086
Unknown input observer design for linear time-invariant multivariable systems based on a new observer normal form. (English) Zbl 1498.93272
The noise covariances of linear Gaussian systems with unknown inputs are not uniquely identifiable using autocovariance least-squares. (English) Zbl 1485.93589
Multiplicative fault estimation based on the energetic approach for linear discrete-time systems. (English) Zbl 1485.93195
State estimation for fractional-order systems. (English) Zbl 1480.93164
Naifar, Omar (ed.) et al., Fractional order systems – control theory and applications. Fundamentals and applications. Cham: Springer. Stud. Syst. Decis. Control 364, 49-74 (2022).
A novel unknown input interval observer for systems not satisfying relative degree condition. (English) Zbl 1526.93081
Simultaneous estimation of the state, unknown input, and output disturbance in discrete-time linear systems. (English) Zbl 1536.93859
Event-based state and unknown input estimation for uncertain systems with stochastic nonlinearities. (English) Zbl 1483.93421
On the optimality of the Kitanidis filter for state estimation rejecting unknown inputs. (English) Zbl 1478.93731
Unknown input observer design for linear parameter-varying systems in a bounded error context. (English) Zbl 1471.93112
Unknown input observer synthesis for discrete-time T-S fuzzy singular systems with application to actuator fault estimation. (English) Zbl 1516.93151
PID filter-shaped optimal PI tracker, state estimator, and EID estimator for continuous-time systems. (English) Zbl 1483.93665
Fault tolerant multicontrollers for nonlinear systems: a real validation on a chemical process. (English) Zbl 1461.93112
On the equivalence between the unbiased minimum-variance estimation and the infinity augmented Kalman filter. (English) Zbl 1460.93100
Reviewer: Heinrich Hering (Rockenberg)
Estimation and outbreak detection with interval observers for uncertain discrete-time SEIR epidemic models. (English) Zbl 1453.92293
Prognosis of uncertain linear time-invariant discrete systems using unknown input interval observer. (English) Zbl 1454.93085
Interval estimation of state and unknown input for linear discrete-time systems. (English) Zbl 1448.93318
A new estimation/decoupling approach for robust observer-based fault reconstruction in nonlinear systems affected by simultaneous time varying actuator and sensor faults. (English) Zbl 1448.93113
Distributed fault estimation for delayed complex networks with round-robin protocol based on unknown input observer. (English) Zbl 1448.93118
Filtering for systems subject to unknown inputs without a priori initial information. (English) Zbl 1448.93327
A new unbiased minimum variance observer for stochastic LTV systems with unknown inputs. (English) Zbl 1447.93126
Asymptotic estimation of state and faults for linear systems with unknown perturbations. (English) Zbl 1447.93039
Interval observer design for continuous-time switched systems under known switching and unknown inputs. (English) Zbl 1443.93053
Saturated fault tolerant control based on partially decoupled unknown-input observer: a new integrated design strategy. (English) Zbl 07907005
A maximum likelihood estimator for switching linear systems with unknown inputs. (English) Zbl 1536.93889
Estimation/decoupling approach for robust Takagi-Sugeno UIO-based fault reconstruction in nonlinear systems affected by a simultaneous time-varying actuator and sensor faults. (English) Zbl 1483.93098
Unknown input Hamiltonian observers-based fault detection and estimation. (English) Zbl 1447.93119
Derbel, Nabil (ed.) et al., Systems, automation, and control. Selected papers based on the presentations at the international multiconference, Leipzig 2018. Berlin: De Gruyter/Oldenbourg. Adv. Syst. Signals Devices 9, 177-195 (2019).
\(H_\infty\) deconvolution filter design for uncertain linear discrete time-variant systems: a Krein space approach. (English) Zbl 1428.93110
State and unknown input estimations for discrete-time switched linear systems with average dwell time. (English) Zbl 1427.93098
Unbiased steady minimum-variance estimation for systems with measurement-delay and unknown inputs. (English) Zbl 1428.39024
MSC:
39A60
Robust fault estimation observer design for switched systems with unknown input. (English) Zbl 1428.93037
Sliding mode observer design for a parabolic PDE in the presence of unknown inputs. (English) Zbl 1422.93042
Deadbeat unknown-input state estimation and input reconstruction for linear discrete-time systems. (English) Zbl 1415.93246
Observer-based fault estimation and tolerant control for stochastic Takagi-Sugeno fuzzy systems with Brownian parameter perturbations. (English) Zbl 1415.93159
Fault diagnosis for uncertain systems based on unknown input set-membership filters. (Chinese. English summary) Zbl 1424.94102
State estimation for stochastic discrete-time systems with multiplicative noises and unknown inputs over fading channels. (English) Zbl 1426.93323
State and unknown input estimations for discrete-time Lipschitz nonlinear systems. (Chinese. English summary) Zbl 1424.93191
Observer for nonlinear systems with unknown input using mean value theorem and genetic algorithm. (English) Zbl 1405.93048
Fault estimation for a class of interconnected nonlinear systems with time-varying delay using robust adaptive unknown input observers. (English) Zbl 1402.93102
State and unknown input observers for nonlinear systems with delayed measurements. (English) Zbl 1402.93061
Fuzzy robust fault estimation scheme for a class of nonlinear systems based on an unknown input sliding mode observer. (English) Zbl 1400.93171
Sensor fault diagnosis of singular delayed LPV systems with inexact parameters: an uncertain system approach. (English) Zbl 1385.93043
Discussions on existence of observers and reduced-order observer design for discrete-time switched systems. (Chinese. English summary) Zbl 1399.93118
Estimation of and compensation for unknown input nonlinearities using equivalent-input-disturbance approach. (English) Zbl 1380.93127
MSC:
93C10
Three-stage unscented Kalman filter for state and fault estimation of nonlinear system with unknown input. (English) Zbl 1380.93262
Disturbance rejection control based on state-reconstruction and persistence disturbance estimation. (English) Zbl 1380.93092
Linear system unknown input observer design when the observer matching condition is not satisfied. (Chinese. English summary) Zbl 1389.93045
Simultaneous state and unknown input reconstruction using cascaded high-gain observers. (English) Zbl 1386.93081
Generalized set-theoretic unknown input observer for LPV systems with application to state estimation and robust fault detection. (English) Zbl 1386.93058
State and input simultaneous estimation for discrete-time switched singular delay systems with missing measurements. (English) Zbl 1377.93157
Unbiased minimum-variance input and state estimation for systems with unknown inputs: a system reformation approach. (English) Zbl 1376.93101
A multi-step input and state estimation for the linear discrete-time stochastic system and its application to the anaerobic digestion process. (Chinese. English summary) Zbl 1389.93212
High-order sliding mode observer for fractional commensurate linear systems with unknown input. (English) Zbl 1372.93053
Delayed unknown input observers for discrete-time linear systems with guaranteed performance. (English) Zbl 1370.93063
Adaptive modified input and state estimation for linear discrete-time system with unknown inputs. (English) Zbl 1371.93116
Robust unknown input observer-based fault estimation of leader-follower linear multi-agent systems. (English) Zbl 1368.93141
Adaptive distributed unknown input observers for interconnected linear descriptor systems. (English) Zbl 1358.93042
Simultaneous state and output disturbance estimations for a class of switched linear systems with unknown inputs. (English) Zbl 1358.93172
State and unknown information estimation for non-linear systems with both input uncertainty and output disturbance. (English) Zbl 1397.93202
Framework for state and unknown input estimation of linear time-varying systems. (English) Zbl 1372.93200
Observer-based sliding mode control for system with mismatched unknown input. (Chinese. English summary) Zbl 1363.93064
State and unknown input simultaneous estimation for a class of nonlinear systems with time-delay. (English) Zbl 1351.93069
Design and comparison base analysis of adaptive estimator for completely unknown linear systems in the presence of OE noise and constant input time delay. (English) Zbl 1348.93252
Robust unknown input observer for state and fault estimation in discrete-time Takagi-Sugeno systems. (English) Zbl 1346.93236
A robust estimator for stochastic systems under unknown persistent excitation. (English) Zbl 1329.93134
\(H_\infty\) dynamical observers design for linear descriptor systems. application to state and unknown input estimation. (English) Zbl 1360.93227
State and unknown input estimations for uncertain switched linear systems. (Chinese. English summary) Zbl 1349.93373
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