Abstract: This paper addresses the problem of state observation techniques specifically designed for positive systems, which represent non-negative natural processes prevalent in various fields.

OBSERVER Photo by Braden Carmen The Village of Brocton and the Town of Portland are in need of a new Code Enforcement Officer. BROCTON — Finding a qualified Code Enforcement Officer is no easy task.

Abstract: The existing observer-based fault estimation methods for dynamic systems rarely consider the internal stochastic parametric uncertainty, limiting the reliability in practical applications.