Hearing aids with automatic volume control vary the amplification of the aid automatically with variations of the input.
The input structure shows unexpected dependency of the CDM robustness on design variations of the input resistor.
Main motivation of this work is to improve essentially the accuracy of the stochastic perturbation technique, which in its second order realization was ineffective for large variations of the input random fields.
The methodology is not excessively sensitive to slight variations of the input data and to small changes in the modeling parameters, such as weights and transformation functions.
The smoothing constant must be chosen in such a way that it retains fine variations of the input spectrum as well as eliminate the high variation of the instantaneous spectrum.
The second threshold, the OS_THR, is used to clamp the output voltage reducing the overshoot of the output voltage during the startup of the system or during transient responses to variations of the input voltage or load current.
While this is clearly advantageous, the most relevant improvement of SUR over SUV in our view is elimination of a very large part of the variability caused by inter-scan variations of the input function.
If the aim is to maximize the productivity of the digester system, or variations of the input and loading rate occur, process indicators will have to be measured in due time or at best online to preclude destabilization.
