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Videometric mass flow control: A new method for real-time measurement and feedback control of powder micro-feeding based on image analysis
09 Jun 2023 | Contributor(s):: Madarasz, L, Kote, AGyurkes, M, Farkas, A, Hambalko, B, Pataki, H, Fulop, G, Marosi, G, Lengyel, L, Casian, T, Csorba, K, Nagy, ZK
The present paper reports the first monitoring and control of ultra-low dose powder feeding using a camera image-based mass flow measurement system. Caffeine was fed via a single-screw microfeeder as a model active pharmaceutical ingredient (API). The mass, mass flow and sizes of the particles...
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The scope of PAT in real-time advanced control of tablet quality
09 Jun 2023 | Contributor(s):: Singh, Ravendra, Ierapetritou, Marianthi, Ramachandran, Rohit
Continuous pharmaceutical manufacturing together with process analytical technology (PAT) provides a suitable platform for automatic feed-forward/feed-back (FF/FB) control of the end product quality as desired by quality by design (QbD)-based efficient manufacturing. The precise control of the...
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Real-time feedback control of twin-screw wet granulation based on image analysis
09 Jun 2023 | Contributor(s):: Madarasz, Lajos, Hoffer, Istvan, Szabo, Barnabas, Csontos, Istvan, Pataki, Hajnalka, Demuth, Balazs, Szabo, Bence, Csorba, Kristof, Nagy, Zsombor Kristof, Marosi, Gyorgy
The present paper reports the first dynamic image analysis-based feedback control of continuous twin-screw wet granulation process. Granulation of the blend of lactose and starch was selected as a model process. The size and size distribution of the obtained particles were successfully monitored...
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ON-OFF Feedback Control of Plug-Flow Crystallization: A Case of Quality-by-Control in Continuous Manufacturing
09 Jun 2023 | Contributor(s):: Koswara, Andy, Nagy, Zoltan K.
Plug-flow crystallization (PFC) is a promising candidate to realizing the paradigm shift from batch-to-continuous pharmaceutical manufacturing. While PFC has been recently touted as the ideal continuous crystallizer due to its compact design, proper mixing, and flexible cooling and antisolvent...
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In-line Raman spectroscopic monitoring and feedback control of a continuous twin-screw pharmaceutical powder blending and tableting process
09 Jun 2023 | Contributor(s):: Nagy, Brigitta, Farkas, Attila, Gyurkes, Martin, Komaromy-Hiller, Szofia, Demuth, Balazs, Szabo, Bence, Nusser, David, Borbas, Eniko, Marosi, Gyorgy, Nagy, Zsombor Kristof
The integration of Process Analytical Technology (PAT) initiative into the continuous production of pharmaceuticals is indispensable for reliable production. The present paper reports the implementation of in-line Raman spectroscopy in a continuous blending and tableting process of a...
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Implementing Feedback Granule Size Control in a Continuous DryGranulation Line Using Controlled Impeller Speed of the GranulationUnit, Compaction Force and Gap Width
09 Jun 2023 | Contributor(s):: Wilms, Annika, Teske, Andreas, Meier, Robin, Wiedey, Raphael, Kleinebudde, Peter
Purpose: In continuous manufacturing of pharmaceuticals, dry granulation is of interest because of its large throughput capacity and energy efficiency. In order to manufacture solid oral dosage forms continuously, valid control strategies for critical quality attributes should be established. To...
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Continuous blending monitored and feedback controlled by machine vision-based PAT tool
09 Jun 2023 | Contributor(s):: Lászlo Galata, Dorián, Mészaros, Lilla, Ficzere Máté, Vass, Panna, Nagy, Brigitta, Szabó, Edina, Domokos, András, Farkas, Attila, Csontos, István, Marosi, György, Nagy, Zsombor Kristóf
In a continuous powder blending process machine vision is utilized as a Process Analytical Technology (PAT) tool. While near-infrared (NIR) and Raman spectroscopy are reliable methods in this field, measurements become challenging when concentrations below 2 w/w% are quantified. However, an...
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Combined feedforward/feedback control of an integrated continuous granulation process
09 Jun 2023 | Contributor(s):: Pereira, Glinka Cathy, Muddu, Shashank Venkat Román-Ospino, Andrés David Clancy, Don Igne, Benoit Airiau, Christian Muzzio, Fernando J Ierapetritou, Marianthi Ramachandran, Rohit, Singh, Ravendra
Continuous manufacturing offers shorter processing times and increased product quality assurance, among several other advantages. This makes it an ever-growing interest among pharmaceutical companies. A suitable efficient control system is however desired for continuous pharmaceutical...
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Advanced Model Predictive Feedforward/Feedback Control of a Tablet Press
09 Jun 2023 | Contributor(s):: Haas, Nicholas Townsend, Ierapetritou, Marianthi, Singh, Ravendra
In continuous pharmaceutical manufacturing, real-time precise control of critical quality attributes (CQAs) is necessary for quality by design (QbD)-based manufacturing and real-time release (RTR) with minimum consumption of time, space, and resources. Pharmaceutical tablets can be produced...
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A Combined Feed-Forward/Feed-Back Control System for a QbD-Based Continuous Tablet Manufacturing Process
09 Jun 2023 | Contributor(s):: Singh, Ravendra, Muzzio, Fernando J, Ierapetritou, Marianthi, Ramachandran, Rohit
Continuous pharmaceutical manufacturing together with PAT (Process Analytical Technology) provides a suitable platform for automatic control of the end product quality as desired by QbD (quality by design)-based efficient manufacturing. The precise control of the quality of the pharmaceutical...