Review of portable near infrared spectrometers: Current status and new techniques

C Zhu, X Fu, J Zhang, K Qin, C Wu - Journal of Near Infrared …, 2022 - opg.optica.org
Near infrared (NIR) spectroscopy is a non-destructive detection technology involving NIR
spectral data acquisition and chemometric treatment. The use of an NIR spectrometer is …

Series fusion of scatter correction techniques coupled with deep convolution neural network as a promising approach for NIR modeling

S Liu, S Wang, C Hu, D Kong, Y Yuan - Spectrochimica Acta Part A …, 2023 - Elsevier
Deep convolution neural network (CNN) with one-dimensional (1D) convolution structure is
a potential and effective nonlinear method for near infrared (NIR) spectroscopy analysis …

Developing a conditional variational autoencoder to guide spectral data augmentation for calibration modeling

G Mu, J Chen - IEEE Transactions on Instrumentation and …, 2022 - ieeexplore.ieee.org
To deal with the typically insufficiently labeled samples involved in practical spectroscopy
measurements, a conditional variational autoencoder (CVAE) is proposed to guide the …

Monitoring framework based on generalized tensor PCA for three-dimensional batch process data

J Liu, D Wang, J Chen - Industrial & Engineering Chemistry …, 2020 - ACS Publications
Unfolding is a pretreating operation in most existing batch process modeling methods, but it
would destroy the essential structure of the raw data. Also, the number of estimated …

A novel CC-tSNE-SVR model for rapid determination of diesel fuel quality by near infrared spectroscopy

S Wang, S Liu, Y Yuan, J Zhang, Z Wang… - Infrared Physics & …, 2020 - Elsevier
It is particularly important to test the quality of diesel oil. In order to improve the reliability and
rapidity of the determination, a novel CC-tSNE-SVR model combined with near infrared …

Variational PLS-based calibration model building with semi-supervised learning for moisture measurement during fluidized bed drying by NIR spectroscopy

G Mu, T Liu, J Chen, C Shang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
To measure the moisture content of granules during the industrial fluidized bed drying (FBD)
process, a semi-supervised calibration model is proposed for using the near-infrared (NIR) …

Just-in-time learning based functional spectral data modeling for in-situ measurement of slurry component concentrations via infrared spectroscopy

J Liu, T Liu, G Mu, C Shang - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
For using infrared spectroscopy to conduct in-situ measurement of slurry component
concentrations during batch crystallization or fermentation process in engineering practice, a …

Wavelet based calibration model building of NIR spectroscopy for in-situ measurement of granule moisture content during fluidized bed drying

J Liu, T Liu, G Mu, J Chen - Chemical Engineering Science, 2020 - Elsevier
For in-situ measurement of the granule moisture content (MC) during a fluidized bed drying
(FBD) process by using the near-infrared (NIR) spectroscopy, a novel spectral calibration …

Manufacturing process transfer to a 30 kg/h continuous direct compression line with real-time composition monitoring

A Waněk, L Menarini, F Giatti, T Kubelka… - International Journal of …, 2024 - Elsevier
Transferring an existing marketed pharmaceutical product from batch to continuous
manufacturing (CM) without changes in regulatory registration is a challenging task in the …

[HTML][HTML] Proof of a LOD prediction model with orthogonal PAT methods in continuous wet granulation and drying

K Kiricenko, S Klinken, P Kleinebudde - Journal of Pharmaceutical …, 2024 - Elsevier
Real-time monitoring of critical quality attributes, such as residual water in granules after
drying which can be determined through loss-on-drying (LOD), during wet granulation and …