Abstract
This paper reviews some classical state estimation techniques for bioprocess applications, i.e., the extended Kalman filter and the asymptotic observer, as well as a more recent technique based on particle filtering. In this application context, all these techniques are based on a continuous-time nonlinear prediction model and discrete-time (low sampling rate) measurements. A hybrid asymptoticparticle filter is then developed, which blends the advantages of both techniques, i.e., robustness to model uncertainties (through a linear state transformation eliminating the reaction kinetics) and a rigorous consideration of the process and measurement noises. A simulation case-study is used throughout this paper to illustrate the performance of these state estimation techniques.
Keywords: Nonlinear estimation, particle filter, asymptotic observer, Kalman filter, biotechnology.
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Goffaux, G., Vande Wouwer, A. Bioprocess State Estimation: Some Classical and Less Classical Approaches. In: Meurer, T., Graichen, K., Gilles, E.D. (eds) Control and Observer Design for Nonlinear Finite and Infinite Dimensional Systems. Lecture Notes in Control and Information Science, vol 322. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11529798_8
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DOI: https://doi.org/10.1007/11529798_8
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-27938-9
Online ISBN: 978-3-540-31573-5
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