Efficient descriptor state estimation with a case study in catalytic partial oxidation reforming
The structure of many first principle engineering models is in the form of non-linear differential algebraic equations (DAE). Standard system theory, however, pre-assumes that the system model is described by ordinary differential equations (ODE) and hence can not accommodate DAE models unless if they can be transformed to an equivalent ODE form. However, such transformation, even if possible, can become cumbersome and the descriptive representation of the model will be lost. The size of these models is typically in the order of 1000's of equations for systems with multiple units or for systems ...
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