Fault diagnosis in dynamic systems: theory and application
Fault diagnosis in dynamic systems: theory and application
Multilayer feedforward networks are universal approximators
Neural Networks
A new structural framework for parity equation-based failure detection and isolation
Automatica (Journal of IFAC)
Automatica (Journal of IFAC)
Sensitivity of failure detection using generalized observers
Automatica (Journal of IFAC)
Exponentially stable trajectory following of robotic manipulators under a class of adaptive controls
Automatica (Journal of IFAC)
Optimal unknown input distribution matrix selection in robust fault diagnosis
Automatica (Journal of IFAC) - Special section on fault detection, supervision and safety for technical processes
Expert system framework for fault detection and fault tolerance in robotics
Computers and Electrical Engineering
Nonlinear control of robotic systems for environmental waste and restoration
Nonlinear control of robotic systems for environmental waste and restoration
Robust adaptive control
Robust model-based fault diagnosis for dynamic systems
Robust model-based fault diagnosis for dynamic systems
Robot Dynamics and Control
Neural Networks: A Comprehensive Foundation
Neural Networks: A Comprehensive Foundation
Nonlinear Control Systems
Control of Robot Manipulators
SBRN '98 Proceedings of the Vth Brazilian Symposium on Neural Networks
Neural-network-based robust fault diagnosis in robotic systems
IEEE Transactions on Neural Networks
A Proposed Hybrid Recurrent Neural Control System for Two Co-operating Robots
Journal of Intelligent and Robotic Systems
Engineering Applications of Artificial Intelligence
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Fault diagnosis plays an important role in the operation of modern robotic systems. A number of researchers have proposed fault diagnosis architectures for robotic manipulators using the model-based analytical redundancy approach. One of the key issues in the design of such fault diagnosis schemes is the effect of modeling uncertainties on their performance. This paper investigates the problem of fault diagnosis in rigid-link robotic manipulators with modeling uncertainties. A learning architecture with sigmoidal neural networks is used to monitor the robotic system for off-nominal behavior due to faults. The robustness, sensitivity, missed detection and stability properties of the fault diagnosis scheme are rigorously established. Simulation examples are presented to illustrate the ability of the neural network based robust fault diagnosis scheme to detect and accommodate faults in a two-link robotic manipulator.