The railway assets studied in this project, are those widely distributed pieces of equipment that are critical to the dependable operation of the railway system. A failed asset is likely to cause significant delay to rail services, and may even place the system into an unsafe state. A generic fault detection and diagnosis (FDD) solution for a number of railway assets of different types is there...

In the recent years the wind turbine industry has focused on optimizing the cost of energy. One of the important factors in this is to increase reliability of the wind turbines. Advanced fault detection, isolation and accommodation are important tools in this process. Clearly most faults are dealt with best at a wind turbine control level. However, some faults are better dealt with at the wind ...

This work considers the problem of control actuator fault detection and isolation and fault-tolerant control for a multi-input multi-output nonlinear system subject to constraints on the manipulated inputs and proposes a fault detection and isolation filter and controller reconfiguration design. The implementation of the fault detection and isolation filters and reconfiguration strategy are dem...

In this paper, the problem of test suite minimization for testing in context is studied and some results are proposed. The test architecture considered is general enough to allow the context and the component to have external inputs and outputs. Using a given fault model for testing in context, conditions are provided to detect all the redundant transitions that do not need to be tested. A comp...

This paper deals with two of the main tasks of Fault Monitoring Systems (FMS): fault detection and fault identiication. During fault detection, the FMS should recognize that the plant behavior is abnormal, and therefore, that the plant is not working properly. During fault identiication, the FMS should conclude which type of failure has occurred. The rst goal of this work is to consolidate a ne...

Nearly ten years have elapsed since the introduction of the Canada-US Free Trade Agreement (FTA). At the time the agreement was negotiated concern was expressed that the reduction of tariff barriers would remove the incentive for much US foreign direct investment (FDI) into Canada. This paper provides empirical evidence to show that US foreign direct investment into Canada has continued to grow...

This paper features the combination of model-based predictive control and dynamic inversion into a constrained and globally valid control method for fault-tolerant flight-control purposes. The fact that the approach is both constrained and model-based creates the possibility to incorporate additional constraints, or even a new model, in case of a failure. Both of these properties lead to the fa...

Simultaneous fault detection and control for stochastic time-delay systems Xian-Ji Meng & Guang-Hong Yang a College of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China b School of Mathematics and System Science, Shenyang Normal University, Shenyang, Liaoning, China c State Key Laboratory of Synthetical Automation for Process Industries, Northeastern Univer...

-----------------------------------------------------------------------ABSTRACT--------------------------------------------------------------We present in this paper as an introduction to soft computing techniques for fault tolerant systems and the terminology with different ways of achieving fault tolerance. The paper focuses on the problem of fault tolerance using soft computing techniques. T...

In this paper we investigate the different techniques of fault tolerance which are used in many real time distributed systems. The main focus is on types of fault occurring in the system, fault detection techniques and the recovery techniques used. A fault can occur due to link failure, resource failure or by any other reason is to be tolerated for working the system smoothly and accurately. Th...