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Pharmaceutical & medical


The MCD moves by means of the existing transport system of the plant or independently by its own drive through the machine.


Optical sensor system for targeted


cleaning in hygiene-sensitive areas Fraunhofer IVV Dresden is developing a Mobile Cleaning Device (MCD) which thanks to its optical sensor system for soiling detection is able to identify cleaning requirements, determine the relevant parameters for need-based and efficient cleaning and then carries them out autonomously. With the help of Baumer sensors and industrial cameras automated clean-in-place (CIP) processes save time and resources while increasing process reproducibility


D


eveloping new cleaning technologies for hygiene-sensitive areas such as food and pharmaceutical production is a central


research focus at Fraunhofer IVV Dresden. “Present-day cleaning processes orient towards maximum requirements and hence often waste time and resources,” explains Roman Murcek, the MCD project manager at Fraunhofer IVV. Consequently, the industry has a strong interest in automated systems for non-contact, intelligent and targeted cleaning which in parallel allows for better validation of overall efficiency in the cleaning process. Especially with the ever-growing hygiene requirements in food processing, food safety is a prerequisite. Does the cleaning process consider critical spots susceptible to contamination? What is the type of contamination? What are suitable cleaning media? Was cleaning successful? In manual operations, such questions are answered and evaluated by people with the help of random tests on a local basis, e.g. by means of dip slide tests.


The intensity of the cleaning operation is automatically adjusted to the soiling degree of the machine.


20


CLEANING DEFINED BY THE DEGREE OF SOILING The first MCD prototype was developed as part of the EU project “PicknPack” for the development of a flexible and modular packaging system. “Our


June 2020 Instrumentation Monthly


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