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On-line monitoring of flame stability is crucial as it is closely related to plant safety, combustion efficiency, and pollutant emissions. This paper presents a new method for the stability monitoring of a burner flame using its medial axis. Flame video clips are acquired on a combustion test rig under different combustion conditions. Each frame of the flame video clips is processed and the medial...
In this paper, we investigate the stability properties of the hybrid systems. The hybrid systems models are described again and these systems as adequate mathematical models are widely applied in control and engineering science. Sufficient conditions for relative φ0-stability are derived by using cone-valued Lyapunov functions.
This paper presents the design, implementation and evaluation of an instrumentation system for flame stability monitoring and characterisation on industrial furnaces. The system, incorporating digital imaging and spectral analysis techniques, is designed to monitor a range of flame characteristic parameters. The stability of the flame is then assessed through statistical analysis of the flame parameters...
In this paper, the rank stability radius problem is proposed for a real matrix under structured scalar perturbations and some interesting results are achieved based on polynomial analysis. In addition, a computable formula and a two-step procedure are obtained which nicely solves the problem in this simple setup. Finally, these results on rank stability radius are used to estimate the stability robustness...
This paper is concerned with stability analysis of discrete-time networked control systems in the case where both input and output channels are characterized by a multiple-packet transmission policy. A necessary and sufficient condition for stability is obtained for known packet dropping probabilities. The issue of stability robustness of a system against packet dropping is discussed and addressed...
This paper is devoted to stability analysis and anti-windup design for linear time-delay systems subject to actuator saturation. A new Lyapunov-Krasovskii approach is presented, and a direct design algorithm is derived to compute the anti-windup compensator gain, which reduces the conservatism greatly. Both delay-independent asymptotic stability (DIAS) and delay-dependent asymptotic stability (DDAS)...
This paper is devoted to stability analysis of a novel delayed neural network, whose neurons are connected with each other through both neurons' feedback connection strength matrix and direct connection strength matrix. Both delay-independent and delay-dependent stability criteria are obtained with Lyapunov-Krasovskii functional method. The criteria are in form of LMI with more slack variables, which...
This paper is devoted to stability analysis and synthesis of the linear systems with time-varying delays. Some new stability conditions are developed for the systems based on Lyapunov-Razumikhin theorem. Then a design method for the general state feedback controllers is proposed for the systems with multiple delays by the LMI optimization based approach. Numerical examples are used to demonstrate...
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