Timo Manninen

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In this study a novel fault simulator for a quarter-turn pneumatic process control valve is presented. It is based on analytical models and all nonlinearities of the system have been identified and estimated through selected parameters. Some typical control valve faults have been simulated and the impacts on the internal variables of the flow control loop(More)
Accurate integration of inelastic constitutive models including damage is a challenging task due to the different nature of plastic/viscous and damage evolution processes. Stability of the integration scheme is guaranteed if all the eigenvalues of the stability matrix have modulus less than unity. For standard implicit schemes this is automatically(More)
TV technology is rapidly advancing. This paper focuses on describing the current trends of television industry, and predicting the situation until 2013. Now it seems that the fusion among TV, Internet and personal mobile device is unstoppable depending on the current trends. As interactive TV, HDTV, 3DTV and all of these television devices which could(More)
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