Refine
Year of publication
- 2019 (387) (remove)
Institute
- FH Aachen (74)
- Fachbereich Medizintechnik und Technomathematik (71)
- IfB - Institut für Bioengineering (45)
- Fachbereich Elektrotechnik und Informationstechnik (44)
- Fachbereich Luft- und Raumfahrttechnik (44)
- Fachbereich Wirtschaftswissenschaften (35)
- Fachbereich Bauingenieurwesen (28)
- Fachbereich Energietechnik (27)
- Fachbereich Maschinenbau und Mechatronik (27)
- INB - Institut für Nano- und Biotechnologien (20)
Document Type
- Article (123)
- Conference Proceeding (94)
- Administrative publication (72)
- Part of a Book (43)
- Book (25)
- Other (9)
- Doctoral Thesis (5)
- Patent (5)
- Review (4)
- Conference: Meeting Abstract (2)
Keywords
- Amtliche Mitteilung (68)
- Bachelor (31)
- Master (29)
- Prüfungsordnung (29)
- Lesbare Fassung (28)
- Studien- und Prüfungsordnung (21)
- Änderungsordnung (20)
- Bauingenieurwesen (17)
- Elektrotechnik (8)
- Holzingenieurwesen (6)
- Richtlinie (6)
- Industrial Engineering (5)
- Zugangsordnung (5)
- Facility Management (4)
- Information Systems Engineering (4)
- Amtliche Mitteilungen (3)
- Aufhebungsordnung (3)
- Digitalisierung (3)
- Gesamtprüfungsordnung (3)
- Beitragsordnung der Studierendenschaft (2)
- Betriebswirtschaft Praxis Plus (2)
- Datenschutz (2)
- Durchführung von Sonderveranstaltungen (2)
- Einstellungsordnung (2)
- Energiewirtschaft (2)
- Enterprise Architecture (2)
- Informatik (2)
- Lehrveranstaltungsprämien (2)
- Maschinenbau und Mechatronik (2)
- Nuclear Applications (2)
- Physiotherapie (2)
- Rektorat (2)
- Robotic Process Automation (2)
- Seismic design (2)
- Veranstaltungsrichtlinie (2)
- Wirtschaftsingenieurwesen (2)
- lesbare Fassung (2)
- studentische Hilfskräfte (2)
- wissenschaftliche Hilfkräfte (2)
- 2019 (1)
- 2020 (1)
- 2021 (1)
- Achilles tendon (1)
- Advanced driver assistance systems (ADAS/AD) (1)
- Aircraft design (1)
- Aktualisierung (1)
- Analytics (1)
- Arbeit 4.0 (1)
- Architectural gear ratio (1)
- Architektur (1)
- Architekturforschung (1)
- Architekturwissenschaft (1)
- Assistive technology (1)
- Automatic control (1)
- BEV (1)
- Bauingenieurwesen mit Orientierungssemester (1)
- Bauingieurwesen (1)
- Beitragsordnung (1)
- Bundesdatenschutzgesetz (2017) (1)
- Case Study (1)
- Change Management (1)
- Chatbots (1)
- Chemie und Biotechnologie (1)
- Combustion (1)
- Components (1)
- Corporate Culture (1)
- Correlations (1)
- Datenschutz-Management (1)
- Datenschutzgrundverordnung (1)
- Datenschutzrecht (1)
- Decentral (1)
- Design examples (1)
- Design rules (1)
- Deutschland (1)
- Didaktik (1)
- Digital Age (1)
- Diversity Management (1)
- Drag (1)
- EU-DSGVO (1)
- EU-Datenschutz-Grundverordnung (1)
- EU-Datenschutzgrundverordnung (1)
- Earthquake (1)
- Elektronik (1)
- Elektrotechnik (Teilzeit) (1)
- Emilia-Romagna earthquake (1)
- Empirical consequence curves (1)
- Empirical fragility functions (1)
- Energietechnik (1)
- Engineering (1)
- Engineering optimization (1)
- Epistemische Neugier (1)
- Eurocode 8 (1)
- Force (1)
- Forschung (1)
- Forschungsinformationssystem (1)
- Forschungsorientierte Lehre (1)
- Forschungsprozess (1)
- Fremdfirmenrichtlinie (1)
- Gearbox (1)
- Geometry (1)
- Geschäftsmodell (1)
- Gleichstellungsquoten (1)
- Goodness-of-fit test (1)
- Graph Theory (1)
- Green aircraft (1)
- Gust wind response (1)
- Hochschule (1)
- Human-Computer interaction (1)
- Hybrid-electric aircraft (1)
- Hydrogen (1)
- ISO 26262 (1)
- In-plane (1)
- Industrial units (1)
- Information Systems Engineering (Teilzeit) (1)
- Informationsgesellschaft (1)
- Innovation Management (1)
- Internationales Recht / Europarecht (1)
- Internetökonomie (1)
- Isolation (1)
- Iterative learning control (1)
- Knee (1)
- Load modeling (1)
- Low NOx (1)
- Low emission (1)
- Machine learning (1)
- Master Architektur (1)
- Mechanical (1)
- Mixed-Methods (1)
- Mixed-integer nonlinear black-box optimization (1)
- Multi-sample problem (1)
- On-site (1)
- Open Data (1)
- Optimization (1)
- Out-of-plane (1)
- PBEE (1)
- Parametric bootstrap (1)
- Powertrain (1)
- Pre-treatment (1)
- Precast buildings (1)
- Preface (1)
- Product family optimization (1)
- Prozessautomatisierung (1)
- Pushover analysis (1)
- RWTH Aachen (1)
- Rehabilitation engineering (1)
- Resilience Assessment (1)
- Response spectrum (1)
- Running (1)
- Safety of the intended functionality (SOTIF) (1)
- Safety-critical systems validation (1)
- Seismic (1)
- Selbstwirksamkeit (1)
- Serviceintegration (1)
- Silos (1)
- Social Media (1)
- Software Robots (1)
- Spectral analysis (1)
- Statistics (1)
- Stiffness (1)
- Studienbeginn 2018/19 (1)
- Studieneingangsphase (1)
- Studiengangs- und Prüfungsordnung (1)
- Studierendenwerk (1)
- Studierfähigkeit (1)
- Tanks (1)
- Tendon properties (1)
- Training (1)
- Unmanned Air Vehicle (1)
- Volume of confidence regions (1)
- WLTP (1)
- Water Supply System (1)
- Wind turbulence (1)
- Wirkungsforschung (1)
- asymptotic relative efficiency (1)
- batch reproducibility (1)
- concentrating collector (1)
- environmental correlation (1)
- fluorescent protein carrier (1)
- frequency mixing magnetic detection (1)
- greenhouse cultivation (1)
- intrinsische Motivation (1)
- likelihood ratio test (1)
- magnetic actuation (1)
- magnetic sandwich immunoassay (1)
- magnetic separation (1)
- magnetic tweezers (1)
- magnetophoretic velocity (1)
- multinomial distribution (1)
- multiparametric immunoassays (1)
- multivariate normal distribution (1)
- plant molecular farming (1)
- point-focussing system (1)
- raytracing (1)
- responsive space (1)
- small solar system body characterisation (1)
- small spacecraft asteroid lander (1)
- small spacecraft solar sail (1)
- solar process heat (1)
- superparamagnetic bead (1)
- system engineering (1)
- Änderung (1)
Übungsaufgaben und Berechnungen für den Baubetrieb: Klausurvorbereitung mit ausführlichen Lösungen
(2019)
The increasing complexity of Advanced Driver Assistance Systems (ADAS) presents a challenging task to validate safe and reliable performance of these systems under varied conditions. The test and validation of ADAS/AD with real test drives, although important, involves huge costs and time. Simulation tools provide an alternative with the added advantage of reproducibility but often use ideal sensors, which do not reflect real sensor output accurately. This paper presents a new validation methodology using fault injection, as recommended by the ISO 26262 standard, to test software and system robustness. In our work, we investigated and developed a tool capable of inserting faults at different software and system levels to verify its robustness. The scope of this paper is to cover the fault injection test for the Visteon’s DriveCore™ system, a centralized domain controller for Autonomous driving which is sensor agnostic and SoC agnostic. With this new approach, the validation of safety monitoring functionality and its behavior can be tested using real-world data instead of synthetic data from simulation tools resulting in having better confidence in system performance before proceeding with in-vehicle testing.
Themen
(2019)
Hydrogen peroxide (H2O2) is a typical surface sterilization agent for packaging materials used in the pharmaceutical, food and beverage industries. We use the finite-elements method to analyze the conceptual design of an in-line thermal evaporation unit to produce a heated gas mixture of air and evaporated H2O2 solution. For the numerical model, the required phase-transition variables of pure H2O2 solution and of the aerosol mixture are acquired from vapor-liquid equilibrium (VLE) diagrams derived from vapor-pressure formulations. This work combines homogeneous single-phase turbulent flow with heat-transfer physics to describe the operation of the evaporation unit. We introduce the apparent heat-capacity concept to approximate the non-isothermal phase-transition process of the H2O2-containing aerosol. Empirical and analytical functions are defined to represent the temperature- and pressure-dependent material properties of the aqueous H2O2 solution, the aerosol and the gas mixture. To validate the numerical model, the simulation results are compared to experimental data on the heating power required to produce the gas mixture. This shows good agreement with the deviations below 10%. Experimental observations on the formation of deposits due to the evaporation of stabilized H2O2 solution fits the prediction made from simulation results.
Dimensionen 1-2019: Magazin der FH Aachen University of Applied Sciences - Wir sind FH Aachen!
(2019)
Inhaltsverzeichnis:
6 Wir sind FH!
8 Steigen Sie ein : Wir nehmen Sie mit auf eine Reise der Roboter und Maschinen
18 Grenzenlose Förderung : Das Stipendienprogramm geht in das zehnte Jahr
20 Marias neue Kleider : Wissenschaftler unterstützen die Domschatzkammer
24 Die Sprengstoffschnüffler : Fliegerbomben im Erdreich: Neues Verfahren auf Basis der Neutronenaktivierungsanalyse
26 Geschafft! : Erster marokkanischer Elektrotechnikstudent macht seinen Doppelabschluss an der FH Aachen
28 Maßgeschneidert : Dr. Denise Milinnus vom INB entwickelt digitale Biosensoren für die personalisierte Medizin
32 Auf Höhenflügen : Tobias Barth macht außergewöhnliche Luftaufnahmen
36 Über alle Berge : Talentscouting eröffnet neue Wege
38 Der etwas andere Reiseführer : FH-Studentinnen entwerfen Stadtplan für junge Menschen
42 Warum kommt mein Zug zu spät? : FH-Experten im Interview über Probleme und Lösungen der Schiene
48 Der Alina-Weg : Alina Richter promoviert bei der Volkswaren-Konzernforschung
51 Selbst ist die Frau : Die 31-jährige Meral Dural studiert erfolgreich Elektrotechnik am FH-Campus Jülich
52 An der Schnittstelle : INFORM-Professur für angewandte Mathematik und Informatik
53 Kopfnuss
54 Einmal scannen bitte : Forschungsprojekt am MASKOR-Institut wird vom Bund gefördert
56 Inspiriert vom Tier- und Pflanzenmeer : FH-Absolventin Lara Bispinck gewinnt "Future Impact Maker"
60 Schmusekurs mit dem Tiger : FH Aachen führt Kooperationsverbund mit taiwanesischen Hochschulen an
62 Impressum
Design and Development of a Novel Self-Igniting Microwave Plasma Jet for Industrial Applications
(2019)
20 years after the successful ground deployment test of a (20 m) 2 solar sail at DLR Cologne, and in the light of the upcoming U.S. NEAscout mission, we provide an overview of the progress made since in our mission and hardware design studies as well as the hardware built in the course of our solar sail technology development. We outline the most likely and most efficient routes to develop solar sails for useful missions in science and applications, based on our developed `now-term' and near-term hardware as well as the many practical and managerial lessons learned from the DLR-ESTEC Gossamer Roadmap. Mission types directly applicable to planetary defense include single and Multiple NEA Rendezvous ((M)NR) for precursor, monitoring and follow-up scenarios as well as sail-propelled head-on retrograde kinetic impactors (RKI) for mitigation. Other mission types such as the Displaced L1 (DL1) space weather advance warning and monitoring or Solar Polar Orbiter (SPO) types demonstrate the capability of near-term solar sails to achieve asteroid rendezvous in any kind of orbit, from Earth-coorbital to extremely inclined and even retrograde orbits. Some of these mission types such as SPO, (M)NR and RKI include separable payloads. For one-way access to the asteroid surface, nanolanders like MASCOT are an ideal match for solar sails in micro-spacecraft format, i.e. in launch configurations compatible with ESPA and ASAP secondary payload platforms. Larger landers similar to the JAXA-DLR study of a Jupiter Trojan asteroid lander for the OKEANOS mission can shuttle from the sail to the asteroids visited and enable multiple NEA sample-return missions. The high impact velocities and re-try capability achieved by the RKI mission type on a final orbit identical to the target asteroid's but retrograde to its motion enables small spacecraft size impactors to carry sufficient kinetic energy for deflection.
Improved efficiency prediction of a molten salt receiver based on dynamic cloud passage simulation
(2019)
Recent Unmanned Aerial Vehicle (UAV) design procedures rely on full aircraft steady-state Reynolds-Averaged-Navier-Stokes (RANS) analyses in early design stages. Small sensor turrets are included in such simulations, even though their aerodynamic properties show highly unsteady behavior. Very little is known about the effects of this approach on the simulation outcomes of small turrets. Therefore, the flow around a model turret at a Reynolds number of 47,400 is simulated with a steady-state RANS approach and compared to experimental data. Lift, drag, and surface pressure show good agreement with the experiment. The RANS model predicts the separation location too far downstream and shows a larger recirculation region aft of the body. Both characteristic arch and horseshoe vortex structures are visualized and qualitatively match the ones found by the experiment. The Reynolds number dependence of the drag coefficient follows the trend of a sphere within a distinct range. The outcomes indicate that a steady-state RANS model of a small sensor turret is able to give results that are useful for UAV engineering purposes but might not be suited for detailed insight into flow properties.
Digital Image Correlation (DIC) is a powerful tool used to evaluate displacements and deformations in a non-intrusive manner. By comparing two images, one of the undeformed reference state of a specimen and another of the deformed target state, the relative displacement between those two states is determined. DIC is well known and often used for post-processing analysis of in-plane displacements and deformation of specimen. Increasing the analysis speed to enable real-time DIC analysis will be beneficial and extend the field of use of this technique.
Here we tested several combinations of the most common DIC methods in combination with different parallelization approaches in MATLAB and evaluated their performance to determine whether real-time analysis is possible with these methods. To reflect improvements in computing technology different hardware settings were also analysed. We found that implementation problems can reduce the efficiency of a theoretically superior algorithm such that it becomes practically slower than a suboptimal algorithm. The Newton-Raphson algorithm in combination with a modified Particle Swarm algorithm in parallel image computation was found to be most effective. This is contrary to theory, suggesting that the inverse-compositional Gauss-Newton algorithm is superior. As expected, the Brute Force Search algorithm is the least effective method. We also found that the correct choice of parallelization tasks is crucial to achieve improvements in computing speed. A poorly chosen parallelisation approach with high parallel overhead leads to inferior performance. Finally, irrespective of the computing mode the correct choice of combinations of integerpixel and sub-pixel search algorithms is decisive for an efficient analysis. Using currently available hardware realtime analysis at high framerates remains an aspiration.
Tribological performance of biodegradable lubricants under different surface roughness of tools
(2019)
A light-addressable potentiometric sensor (LAPS) is a field-effect-based (bio-) chemical sensor, in which a desired sensing area on the sensor surface can be defined by illumination. Light addressability can be used to visualize the concentration and spatial distribution of the target molecules, e.g., H+ ions. This unique feature has great potential for the label-free imaging of the metabolic activity of living organisms. The cultivation of those organisms needs specially tailored surface properties of the sensor. O2 plasma treatment is an attractive and promising tool for rapid surface engineering. However, the potential impacts of the technique are carefully investigated for the sensors that suffer from plasma-induced damage. Herein, a LAPS with a Ta2O5 pH-sensitive surface is successfully patterned by plasma treatment, and its effects are investigated by contact angle and scanning LAPS measurements. The plasma duration of 30 s (30 W) is found to be the threshold value, where excessive wettability begins. Furthermore, this treatment approach causes moderate plasma-induced damage, which can be reduced by thermal annealing (10 min at 300 °C). These findings provide a useful guideline to support future studies, where the LAPS surface is desired to be more hydrophilic by O2 plasma treatment.
Arbeitssicherheit
(2019)
Kalkulation
(2019)
Betriebsorganisation
(2019)