Suchergebnisse

ZeSys e.V. is part of the AMVAD joint project, which is funded by Investitionsbank Berlin and the European Regional Development Fund [ERDF]. The aim of the project is to develop a process that enables the use of additive manufacturing for the production of high-risk medical devices. This is to be developed and demonstrated using the example of a cannula with patient-specific geometry for external cardiac support systems. Additive manufacturing technologies open up possibilities for patient-specific care for previously unprovided patient groups while at the same time ensuring a high level of safety through a complete approval process. More information at: https://www.zesys.de/amvad

Analytical quality assurance should take into account two important tasks: the detection of errors and the proof of quality. Consequently, troubleshooting should find as many errors as possible before the system is delivered to the end users. The quality proof serves to verify/validate the actual behavior against the requirements. Testing as part of QA is a very time-consuming and cost-intensive process that requires up to about 25-40% of the development effort in the development of embedded systems. In safety-critical applications, such as in medical technology, the effort is even more than 40%. To keep this effort under control, a systematic and structured approach is necessary. Our employees have a profound knowledge in this area, which has been proven in several successful projects for > BerlinHeart. In addition, our employees are continuously trained and hold the following domain-specific certificates: ISTQB® Foundation Level ISTQB® Advanced Level Test Manager ISTQB® Advanced Level Test Analyst ISTQB® Advanced Level Technical Test Analyst IREB® Certified Professional for Requirements Engineering Foundation Level (CPRE) QAMP® Quality Assurance Management Professional

An elementary component of the engineering of embedded systems is the customized development of electronic assemblies and devices from functional models to prototypes and small series. Our system solutions include analog and digital circuit technology both discrete and integrated. We take every opportunity to contribute and expand our extensive experience in handling modern micro-controllers, wireless communication modules and sensors with analog and digital interfaces. A modern power supply and battery management is also part of our expertise. Our working method is characterized by detailed documentation of the development process, design and simulation of the circuit, design of the PCB layout and design of the housing construction with manufacturing instructions, taking into account EMC and heat generation. The spectrum of our activities also includes the preparation of the manufacturing documentation and support of the external assembly production as well as the development of the verification test plan with final verification tests. The integration into your product range is thus optimally prepared.

The ZeSys employees in the software department have sound knowledge of both configuration, application and development of software for special fields of application. In recent years, much of the experience gained in the development of web, database and mobile (app) applications as well as expertise in network management, virtualization and version management has been deepened and successfully applied in various projects. Our satisfied partners include Berlin Heart GmbH, Boréal Bikes, Fisun GmbH, ITPower Solutions GmbH, Key Wind Energy GmbH, Schielicke Bau Unternehmensgruppe, Stromnetz Berlin GmbH and TresCom Technology GmbH. ​ The software department was involved in the following projects: Robina Trescom Smarte Lampen YGO Boreal Bike Umweltsensor MyZav LabOnFiber VisuPV Wägesensor (kommerzielle Aufträge für Berlin Heart, Schielicke und Stromnetz) ​ The technologies brought in extend in extracts over: Flutter Java/Kottlin HTML CSS/Bootstrap Javascript JQuery Angular 1.x Dygraph Apache Server Python/Tkinter Postgresql MSSQL Postman ExpressJS JWT Auth Token LoRa/The Things Network (TTN) Docker Freeradius Mantis Git C/C++ OpenCV ContinoProva Node-red JAVA-EE

Parliamentary State Secretary Dr. Franziska Brantner visited GFaI and ZeSys. https://www.franziska-brantner.de/2022/10/17/ki-loesung-fuer-hoerbeeintraechtigungen-software-zur-modellierung-von-energiesystemen-wie-verwenden-gfai-und-zesys-die-foerdergelder-des-bmwk/

On June 23, 2022, after a break of two years, the Innovation Day for SMEs of the BMWK took place again and ZeSys was there. At our exhibition booth, interested visitors could get information about exciting and innovative projects around the network system solutions media protection in civil engineering/ minimization of underground line damages. Together with our partner S.K.M. Informatik GmbH our guests could get an impression of the augmented reality construction site system at booth D107.

Development of a technology based on hydrodynamically induced cavitation for the sanitization of ballast water. The goal is the complete killing of microorganisms and algae. Project description Currently, about 90% of the world's trade goods (ICS, 2018) are transported by ship. For the transport of trade goods, but especially for empty voyages, ships have to take in ballast water and release it again shortly before port call in order to regulate the trim, the heeling, the draught, the stability or the tensions of the ship (Umweltbundesamt, 2018). Ballast water is used to pick up a wide variety of aquatic species and transport them around the world in ships, thus spreading them. WWF estimates that 7,000 marine and coastal species are shipped unnoticed through the oceans every day and are released into a new environment at the end of the journey with the discharge of the ballast water. However, more aggressive and rapidly reproducing species that find favorable living conditions can become invasive and compete with native flora and fauna. An additional lack of natural inhibitory biological factors, such as predators, pathogens, or parasites, can thus lead to the displacement of native species from their native ecosystem in the worst case. Thus, in addition to ecological damage, the introduction of these invasive species often entails a number of economic and health problems (WWF, 2009), (Umweltbundesamt, 2018). In addition to displacing native species, microorganisms in particular can also exchange genetic information (Baroni, 2013), so that resistance or pathogenic/toxic properties could spread more rapidly. It is estimated that 200,000 to 50 million viruses are ingested into the ballast water tank with every milliliter of seawater (Ballastwatermanagement UK, 2017 This underscores the importance of stopping the introduction of non-native species, which is why, according to the recent decision of the Maritime Environment Protection Committee (MEPC) of the International Maritime Organization (IMO), all affected ships must be equipped with systems to treat their ballast water by 2024 at the latest (Umweltbundesamt, 2018). ZeSys e.V. developed a technology for the hygienization of microorganisms in the ballast water of ships in order to prevent their spreading in non-native habitats when they are released in foreign regions. For this purpose, ZeSys e.V. designed and built a test rig based on the physical components of cavitation for the development of the technology and the functional model for the hygienization of microorganisms in ballast water. The ballast water to be treated is fed via a high-pressure system to special nozzles, each of which can then be used to generate a flexible hydrodynamic cavitation field. In this controllable cavitation field, pressures of several hundred to a thousand bar and temperatures of several thousand degrees Celsius are generated in the cavitation bubbles, which in combination with the resulting high shear forces lead to the destruction of microorganisms and algae. No chemical additives are used, and no ultraviolet light was integrated as part of the development, so that a purely physical high-pressure process is used. The following results were obtained with the test bench: The reduction from 6.8E+06 to 4.1E+03 kbE/ml corresponds to the killing of 99.94% of the microorganisms contained in the fluid. The samples taken during the tests were analyzed both by PCR and microbiologically. The following are the PCR analysis results from a series of three tests: "The degree of cell damage also affects our distinction between living and dead cells. We effectively block the DNA of severely damaged cells and no longer detect them in PCR. Slightly damaged cells may be less effectively blocked and therefore counted in PCR. In addition, PCR detects each cell and does not count cell clusters as one colony. Dividing cells are also counted as two cells. Therefore, PCR results are usually slightly higher (lower degradation values) than Mibi results." (C. Cordes, HS Bremerhaven) The results are average results from multiple determinations. Parallel to the tests with microorganisms, tests for algae destruction were carried out in cooperation with the partner Ankron. For this purpose, the prepared fluid mixed with algae was first pumped through the filter system developed by Ankron and then through the cavitation system. As a result, the following analysis result was determined (excerpt from the test protocol Ankron 10/2021 ): "Table 3 shows the results of the cavitation. The effluent from the cavitation was analyzed for live zooplankton and algae. Furthermore, the biological activity of the algae was determined. The best results for zooplankton and algae were obtained with the V0-5 setting. Zooplankton was absent from all samples and no remains could be found." Fazit The developed technology can be used successfully in principle for the killing/inactivation of microorganisms as well as the destruction of algae and their combination in ballast water and similarly infested fluids within the scope of the laboratory scale design. For larger flow rates, the laboratory design must be multiplied accordingly. The technology is unsuitable for use on large ships for ballast water sanitation because it is not yet possible to scale it up. Further developments of the technology are required for this purpose. The pressure stages are to be adapted to the fluid/ingredient combination to be treated and thus to the fine nozzle design by empirical data determination. In the design, the required absolute pressure in the cavitation field must be constantly guaranteed. For the destruction of algae and their reformation, the two-stage process in the 105-110/6-10 bar gradation with the lower energy requirement, both in the laboratory configuration and in its upward scaling, is applicable.

News: The KErMiD project will be presented at the Hannover Messe 2024. Over time and depending on the location, rotor blade erosion permanently changes the profile geometry of the blade and thus deteriorates the blade performance. As a consequence, the annual energy yield decreases by several percentage points. Furthermore, the progressive material removal endangers the structural integrity of the blade and consequently affects the normal operation of the turbine. The project goal is to develop measurement methods and implement them in a prototype to record environmental parameters that cause rotor blade erosion. Known parameters are rain and particles as the main source of damage. With the help of optical and radio-technological methods, these parameters are to be determined contact-free at the wind energy site in real time. The entirety of the measuring equipment, in the hands of consulting specialists, is to determine the prognosis of erosion at blade edges so precisely that the wind farm operator can plan both the necessary downtimes and the expenses for maintenance better than before. This project is funded by the German Federal Ministry of Economics and Climate Action based on a resolution of the German Bundestag. https://www.innovation-beratung-foerderung.de/INNO/Navigation/DE/INNO-KOM/inno-kom.html Project responsibility: M. Eng. Paul Schröder M. Eng. Christopher März M. Sc. Justin Sommer

The planned project will be dedicated to a pathogen-specific detection and will enable a POC application for veterinary issues. The basic idea to detect the immunogen directly by labeled antibodies will be maintained in the present project. The knowledge gained from other projects will be used for the direct detection of pathogenic bacteria and will also be expanded in the multiplex procedure for the detection of antibiotic resistance. The ubiquitous bacterium Escherichia coli, which is to be detected using antibodies already developed, will initially serve as a model. IIn a two-step procedure, the pathogen is first detected and then digested to access intracellular resistance-mediating proteins. For this purpose, magnetic beads with covalently bound pathogen-specific antibodies are fixed on a magnetizable surface after incubation with the sample and detected by fluorescently labeled pathogen-specific antibodies. By application of lysing detergents or enzymes, the intracellular proteins are released and - if present - captured by specific camelid antibodies against ß-lactamase predoped onto the surface. Finally, detection is performed by fluorescence-labeled camelid full-length antibodies.

This project is co-financed by the European Regional Development Fund [ERDF]. Project description Rotor blades of wind turbines are exposed to very different static and dynamic loads over the entire period of use. This includes the (worldwide) transport of a rotor blade from the production site to the construction site of the wind turbine as well as the many years of operation under the toughest operating and environmental conditions. ​ The complex design, production quality challenges and uncertainties in transport and operation under individual site conditions lead to high safety margins in the design and thus to increased material and production costs. Nevertheless, defects, damage and accidents occur unexpectedly on rotor blades, the cause of which often cannot be determined. The determination of the respective cause of damage - design weakness, quality defects, faults during construction or overloading due to extreme weather or similar - is in the interest of the operator or insurer of the wind turbine, but is also valuable for all other participants in the value chain. In order to identify safety risks at an early stage, preventive observations and recordings of high loads in continuous operation, which lead to damage accumulation, are therefore also of great value. The aim of the research project is to research and develop a system for transport monitoring and accident analysis as well as for monitoring the loads on the rotor blade throughout the entire wind turbine operation. This also includes all hardware components and software algorithms as well as their integration into a rotor blade, including realistic testing of laboratory samples of the load box. To the project page

INTO THE FUTURE WITH SAFETY AND SECURITY MOTIVATION OF THE PROJECT Embedded systems have been growing in importance for years and are taking over more and more key tasks in electronic devices. New developments in industry such as the networking of electronic devices to form the Internet of Things (IoT), Industry 4.0 and autonomous driving are an expression of this trend. These new developments also bring with them changed requirements for system safety. In addition to the importance of operational safety, a breach of data security in this context can have catastrophic consequences for people, property and the environment. While the fields of safety and security are well researched and methodologically established as separate disciplines in their own industrial environments, their interaction and their guarantee in the context of highly networked devices and applications is an almost undeveloped field of research. The processes, methods and tools for ensuring safety in isolated embedded systems and for ensuring security in operational IT systems alone cannot meet the requirements of the new, highly automated and networked systems. The project therefore focuses its work on methods for safety & security co-engineering. PROJECT OBJECTIVES AND CONTENTS The goal of the EmbeddedSafeSec project is to develop a process model and an integrated methodology for ensuring safety and security in the development of critical embedded systems. The resulting systematization, automation and operationalization should enable a significant cost reduction and quality increase in safety and security engineering. The integrated methodology should enable extensive automation of the creation and analysis of safety and security requirements as well as the generation of safety and security test cases for the development of embedded systems. A central approach is the formalization of safety goals through the development of an own formal language (DSL). For a good handling and easy comprehensibility, however, a mathematically based semantics shall be omitted for this language. to the project page This project is supported by the program for the promotion of research, innovations and technologies of the Investitionsbank Berlin (IBB) - Pro FIT - and by the European Regional Development Fund (ERDF). Contact at ZeSys e.V. Erik Dölling

Image recognition and analysis is the process of extracting crucial information and features from images using digital image processing techniques. Both fields are attributed to pattern recognition and image processing. The many years of experience of ZeSys employees in the development, modification and application of special and common methods for edge detection, object and pattern recognition, combined with sound knowledge of current programming languages, have been successfully applied several times. Related projects: In the project VisuPV a visual method was developed to detect damages and anomalies on solar panels. These were previously photographed with special thermal cameras. Finally, the user of the specially designed software was informed which defects and anomalies were detected and how much of the examined area is affected by anomalies and defects.