511 research outputs found
Beiträge von Eric Meili im Zürcher Bauer 2009
No full textEric Meili (2009): Low-Cost-Milchproduktion im Biolandbau. Zürcher Bauer, 13.11.2009, S. 11
Eric Meili (2009): Artgerechte Pferdehaltung, Zürcher Bauer, 02.10.2009, S. 11
Eric Meili (2009): Gebrauchskreuzung: Der schnelle Weg zur robusten Kuh, Zürcher Bauer, 22.05.2009, S. 11
Eric Meili (2009): Neue Wege bei der Mutterkuhhaltung. Zürcher Bauer, 03.04.2009, S. 1
Professor Dr. Friedrich Meili
No full textPorträt des Zürcher Juristen Professor Dr. Friedrich Meili als Bruststück nach linksAutotypie nach einem Foto eines anonymen Fotografen; Bildausschnitt im Historisch Biographischen Lexikon der Schweiz, 5, S. 67Handschriftliche Notizen in Bleistift: "Zürch. Wochen Chron. N. 18.909
Static and low frequency evaluation of a thin-film contact force sensor
No full textService robots meant for human interaction need to simulate touch sensitivity, or contact force is to be known for control purposes. Measurements have thus to be quick, reliable and have a good frequency response in the required band. Moreover, minimal dimensions are required, as well as an evenly responsive contact surface. We chose a commercial contact force sensor which exhibits all of these features: minimal overall dimensions, uniform measuring area, customizable range and certified linearity, no drift and hysteresis or good frequency response features. We present here our static and dynamic calibration results along with peculiarities we came across. We wanted to assess if the sensors would exhibit linear behaviour, no drift nor hysteresis as stated by the manufacturer. The sensors should offer uniform sensitivity over the sensing area, so matching section weights can be used to load them for static calibration. Besides this simple method, we also used hydrostatic pressure in a sealed chamber, getting rid of errors uncertainties coming from loading over the edges or from point loading. This method also allows for dynamic testing, as impulse loading or different frequency pressure waves can be applied to the sensors. Calibration curves will be presented in different loading conditions, focusing our attention on loading velocity and frequency. Although sensor gain exhibits remarkable changes after repeated loading, its smooth and continuous output make us think it can still be put in a feedback chain
An Instrumented Drop Weight Machine for Low Velocity Impact Testing
No full textIn this paper the design and development of an instrumented drop-weight machine for low velocity impact testing is presented; monitoring impact force history allows us to identify the different stages of damage progression and to correlate energy loss with damage extension. Results of tests on specimens of different materials and layups are presented and some data interpretation problems related to the use of various force transducers are discussed in order to evaluate the performance of the testing apparatus and its effectiveness in detecting onset and propagation of damage
MEILI: A travel diary collection, annotation and automation system
No full textThe increased interest in the automation of travel diary collection, together with the ease of access to new artificial intelligence methods led scientists to explore the prerequisites to the automatic generation of travel diaries. One of the most promising methods for this automation relies on collecting GPS traces of multiple users over a period of time, followed by asking the users to annotate their collected data by specifying the base entities for a travel diary, i.e., trips and triplegs. This led scientist on one of two paths: either develop an in-house solution for data collection and annotation, which is usually an undocumented prototype implementation limited to few users, or contract an external provider for the development, which results in additional costs. This paper provides a third path: an open-source highly modular system for the collection and annotation of travel diaries of multiple users, named MEILI. The paper discusses the architecture of MEILI with an emphasis on the data model, which allows scientists to implement and evaluate their methods of choice for the detection of the following entities: trip start/end, trip destination, trip purpose, tripleg start/end, and tripleg mode. Furthermore, the open source nature of MEILI allows scientists to modify the MEILI solution in compliance with their legal and ethical specifications. MEILI was successfully trialed in multiple case studies in Stockholm and Gothenburg, Sweden between 2014 and 2017.QC 20180605</p
Beiträge von Eric Meili im Schweizer Bauer 2009
No full textLow-Cost-Milchproduktion im Biolandbau. Schweizer Bauer, 24.10.2009, S. 24
Bauen in der Landwirtschaftszone. Schweizer Bauer, 19.09.2009, S. 30
Robustere Kühe dank Gebrauchskreuzungen. Schweizer Bauer, 16.05.2009, S. 32
Endlich auf die Weide. Schweizer Bauer, 18.04.2009, S. 4
Beiträge von Eric Meili im Schweizer Bauer 2011
No full textAusmast von Biokühen - das vergessene Potenzial. Schweizer Bauer, 21.12.2011, S. 32
Bio-Weide-Beef: Fleisch aus Gras. Schweizer Bauer, 12.11.2011, S. 44
Bio-Weide-Beef: Die klassische Produktion. Schweizer Bauer, 11.06.2011, S. 28
Schweizer Wasserbüffelmilch aus Bioprodukten ist gesucht. Schweizer Bauer, 29.01.2011, S. 3
Beiträge von Eric Meili in der BauernZeitung 2008
No full textTierbestand: Zählung fällt 2009 weg. BauernZeitung, 25.04.2008, S. 20
Wasserbüffel, eine Nische mit Zukunft? BauernZeitung, 14.03.2008, S. 19
Die Blauzungenkrankheit und der Biolandbau. BauernZeitung, 29.02.2008, S. 1
Ultrasonic evaluation of matrix damage in impacted composite laminates
No full textConventional ultrasonic inspection methods are largely used for detection of delaminations in composite materials while only recently new techniques have been proposed to identify matrix cracks in simple tension loaded coupon specimens. In this study delaminations and matrix cracking caused by low-energy impacts on quasi-isotropic carbon/PEEK laminated plates are examined by means of different pulse-echo techniques: conventional time-of-flight and amplitude C-scans at normal incidence an used to check for the presence of delaminations, while backscattering C-scans tin which the transducer is set at an angle to the laminate plane) allow the detection of matrix cracks through the laminate thickness. Selected results from full waveform ultrasonic analysis of impacted carbon/PEEK laminates are discussed and compared with X-ray data in order to demonstrate the efficiency of the proposed inspection technique
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