A novel EM identification method for Hammerstein systems with missing output data

D Wang, S Zhang, M Gan, J Qiu - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This article concerns a novel auxiliary-model-based expectation maximization (EM)
estimation method for Hammerstein systems with data loss by extending the EM method to …

Estimator for multirate sampling systems with multiple random measurement time delays

H Lin, S Sun - IEEE Transactions on Automatic Control, 2021 - ieeexplore.ieee.org
The optimal linear estimation problem is studied for multirate sampling systems with multiple
random measurement time delays (TDs). The considered multirate sampling scheme is that …

Coordinated control system modelling of ultra-supercritical unit based on a new TS fuzzy structure

G Hou, H Du, Y Yang, C Huang, J Zhang - ISA transactions, 2018 - Elsevier
The thermal power plant, especially the ultra-supercritical unit is featured with severe
nonlinearity, strong multivariable coupling. In order to deal with these difficulties, it is of great …

Identification methods for time-delay systems based on the redundant rules

J Chen, J Ma, Y Liu, F Ding - Signal Processing, 2017 - Elsevier
Two identification methods based on the redundant rules are proposed for a class of
systems with unknown time-delays. One is the recursive least squares based redundant …

Combined state and parameter estimation for Hammerstein systems with time delay using the Kalman filtering

J Ma, F Ding, W **ong, E Yang - International Journal of …, 2017 - Wiley Online Library
This paper discusses the state and parameter estimation problem for a class of
Hammerstein state space systems with time delay. Both the process and the measurement …

Expectation maximization estimation algorithm for Hammerstein models with non-Gaussian noise and random time delay from dual-rate sampled-data

J Ma, J Chen, W **ong, F Ding - Digital Signal Processing, 2018 - Elsevier
This paper considers the robust identification for dual-rate input nonlinear equation-error
systems with outliers and random time delay. To suppress the negative influence caused by …

Persistently-exciting signal generation for optimal parameter estimation of constrained nonlinear dynamical systems

LM Honório, EB Costa, EJ Oliveira… - ISA transactions, 2018 - Elsevier
This work presents a novel methodology for Sub-Optimal Excitation Signal Generation and
Optimal Parameter Estimation of constrained nonlinear systems. It is proposed that the …

Incorporating delayed measurements in an improved high-degree cubature Kalman filter for the nonlinear state estimation of chemical processes

L Zhao, J Wang, T Yu, K Chen, A Su - ISA transactions, 2019 - Elsevier
The on-line estimation of process quality variables has a large impact on the advanced
monitoring and control techniques of chemical processes. The present study offers an …

UKF‐based soft sensor design for joint estimation of chemical processes with multi‐sensor information fusion and infrequent measurements

M Mosalanejad, MM Arefi - IET Science, Measurement & …, 2018 - Wiley Online Library
Having a proper and real‐time process monitoring and control requires accurate and
frequent measurement of process variables. However, using a particular sensor for an …

Expectation maximization estimation for a class of input nonlinear state space systems by using the Kalman smoother

J Ma, O Wu, B Huang, F Ding - Signal Processing, 2018 - Elsevier
The parameter estimation for a class of single-input single-output (SISO) Hammerstein state
space systems is considered in this paper. The nonlinear block in the discussed system is …