Emission monitoring using multivariate soft sensors

D Dong, TJ McAvoy, LJ Chang - Proceedings of 1995 American …, 1995 - ieeexplore.ieee.org
For combustion processes, it is important to monitor gases such as NO, in exhaust streams.
Traditional approaches for such emission monitoring use analytical instruments, which are …

Soft sensor for NOx and O2 using dynamic neural networks

M Shakil, M Elshafei, MA Habib, FA Maleki - Computers & Electrical …, 2009 - Elsevier
Inferential or soft sensing techniques have been gaining momentum recently as viable
alternatives to hardware sensors in various situations, eg continuous emission monitoring …

Soft sensing based on artificial neural network

Y Yang, T Chai - Proceedings of the 1997 American Control …, 1997 - ieeexplore.ieee.org
Soft sensing or inferential estimation has long been considered a potent tool to deal with the
conflict between small control interval and large sampling interval existing in a wide variety …

RBF neural network inferential sensor for process emission monitoring

SA Iliyas, M Elshafei, MA Habib, AA Adeniran - Control Engineering …, 2013 - Elsevier
Inferential sensing, or soft sensing, gained popularity in recent years as an alternative to
continuous emission monitoring systems because of its simplicity, reliability, and cost …

Development of a Soft Sensor for a Thermal Cracking Unit using a small experimental data set

A Di Bella, L Fortuna, S Graziani… - … on intelligent signal …, 2007 - ieeexplore.ieee.org
In this paper we compare a number of strategies to cope with the problem of small data sets
in the identification of a nonlinear process. Four methods are analyzed: expansion of the …

Hybrid model development methodology for industrial soft sensors

A Kalos, A Kordon, G Smits… - Proceedings of the 2003 …, 2003 - ieeexplore.ieee.org
Soft sensors are essentially on-line models that provide an estimate of a desired process
variable that is not easily measured directly, on the basis of other process variables that are …

Soft analyzers for a sulfur recovery unit

L Fortuna, A Rizzo, M Sinatra, MG Xibilia - Control Engineering Practice, 2003 - Elsevier
This work deals with the design and implementation of soft sensors for a Sulfur Recovery
Unit (SRU) in a refinery. Soft sensors are mathematical models able to emulate the behavior …

Soft sensing modeling via artificial neural network based on pso-alopex

SJ Li, XJ Zhang, F Qian - 2005 International Conference on …, 2005 - ieeexplore.ieee.org
In this paper, algorithm of pattern extraction (Alopex) is introduced into the particle swarm
optimization (PSO) to train the artificial neural network (ANN), which is used to construct the …

Soft sensor design by multivariate fusion of image features and process measurements

B Lin, SB Jørgensen - Journal of Process Control, 2011 - Elsevier
This paper presents a multivariate data fusion procedure for design of dynamic soft sensors
where suitably selected image features are combined with traditional process …

Support Vector Regression for soft sensor design of nonlinear processes

SB Chitralekha, SL Shah - … on Control and Automation, MED'10, 2010 - ieeexplore.ieee.org
The field of soft sensor development has gained significant importance in the recent past
with the development of efficient and easily employable computational tools for this purpose …