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Topic Review
Biography
Topic Review
Ergonomics Factors in Implement Safer Collaborative Robotic Workstation
There is a worldwide interest in implementing collaborative robots (Cobots) to reduce work-related Musculoskeletal Disorders (WMSD) risk. While prior work in this field has recognized the importance of considering Ergonomics & Human Factors (E&HF) in the design phase, most works tend to highlight workstations’ improvements due to Human-Robot Collaboration (HRC).
489
04 Nov 2021
Biography
Erik Buell
Erik F. Buell (born April 2, 1950, in Pittsburgh, Pennsylvania) is the founder, former Chairman and Chief Technical Officer of the Buell Motorcycle Company, which eventually merged with Harley-Davidson Corp. Buell is a pioneer of modern race motorcycle technology. Buell is also the founder of Erik Buell Racing.[1] Erik Buell is now a co founder of VANGUARDSPARK - Electric Urban Mobility (Vangua
724
28 Dec 2022
Biography
Ernst Friedrich Wilhelm Klinkerfues
Ernst Friedrich Wilhelm Klinkerfues (29 March 1827 in Hofgeismar – 28 January 1884 in Göttingen) was a German astronomer. Klinkerfues was born in Hofgeismar, the son of army doctor Johann Reinhard Klinkerfues and his wife Sabine (née Dedolph).[1] After the early death of his parents, he was brought up by relatives, and after attending high school qualified as a surveyor in Kassel. In this
412
08 Dec 2022
Biography
Ernst Stuhlinger
Ernst Stuhlinger (December 19, 1913 Niederrimbach, Germany – May 25, 2008) was a Germany -American atomic, electrical, and rocket scientist. After being brought to the United States as part of Operation Paperclip, he developed guidance systems with Wernher von Braun's team for the US Army, and later was a scientist with NASA. He was also instrumental in the development of the ion engine for lo
480
02 Dec 2022
Topic Review
Erosive Wear of Cermets
Solid-particle erosion occurs when discrete solid particles strike a surface. It differs from three-body abrasion primarily in the origin of forces between the particles and the wearing surface. In erosion, the extent of wear depends on the number and mass of individual particles striking the surface and on their impact velocity [8]. The difference of erosion from the abrasive wear lies in its fluid contribution to the mechanical action producing material removal. Solid-particle erosion is common in any system in which a gas stream carries abrasive particles. If loose abrasive particles are carried by a liquid, the wear is termed as slurry erosion. WC-based hardmetals (cemented carbides) are employed widely as wear-resistant ceramic-metal composites for tools and wear parts. Raw materials supply, environmental concerns and some limitations of hardmetals have directed efforts toward development of alternative wear-resistant composites-cermets. Cermets consist primarily of ceramic particles such as titanium carbonitride (Ti(C,N)), titanium carbide (TiC), and chromium carbide (Cr3C2) bonded with alloys of Ni, Co or Fe. Cermets as resistant to solid particle erosion materials demonstrate their potential primarily in environmentally severe wear conditions – at elevated temperatures and corrosive environments.
530
10 Jan 2022
Topic Review
ERYX
ERYX is a short-range portable SACLOS-based wire-guided anti-tank missile (ATGM) produced by European company MBDA. It is used by several countries, including the Canadian Army, French, and Norwegian armies. The weapon can also be used against bunkers and pillboxes. It also has some capability in the anti aircraft role to bring down low flying helicopters, due to its wire guided system. An agreement was reached in 1989 between the French and Canadian governments to co-produce the ERYX missile system. It entered service in 1994.
825
04 Nov 2022
Topic Review
Eryx (Missile)
Eryx is a short-range portable SACLOS-based wire-guided anti-tank missile (ATGM) produced by European company MBDA. It is used by several countries, including the Canadian Army, French, and Norwegian armies. The weapon can also be used against bunkers and pillboxes. It also has some capability in the anti aircraft role to bring down low flying helicopters, due to its wire-guided system. An agreement was reached in 1989 between the French and Canadian governments to co-produce the Eryx missile system. It entered service in 1994.
631
27 Oct 2022
Topic Review
ESA Round Robin Exercise
Motivated by the experience acquired in the ESA promoted Round Robin exercise aimed at comparing cloud detection algorithms for PROBA-V sensor, we investigate specific issues related to cloud detection when remotely sensed images comprise only a few spectral bands in the visible and near-infrared by considering a bunch of well-known classification methods. First, we demonstrate the feasibility of using a training dataset semi-automatically obtained from other accurate algorithms. In addition, we investigate the effect of ancillary information, e.g., surface type or climate, on accuracy. Then we compare the different classification methods using the same training dataset under different configurations. We also perform a consensus analysis aimed at estimating the degree of mutual agreement among classification methods in detecting Clear or Cloudy sky conditions. Results are also compared on a high-quality test dataset of 1350 reflectances and Clear/Cloudy corresponding labels prepared by ESA for the mentioned exercise.
803
02 Feb 2021
Topic Review
Estimation of Azimuth and Elevation using Decision Trees
Using the information obtained at a receiving system when a transmitter’s signal hits it, a Decision Tree (DT) model is trained to estimate azimuth and elevation angles simultaneously. Simulation results demonstrate the robustness of the proposed DT-based method, showcasing its ability to predict the Direction of Arrival (DOA) in diverse conditions beyond the ones present in the training dataset, i.e., the results display the model’s generalization capability.
310
01 Nov 2023
Topic Review
Estimation of Muckpile Fragmentation Methods
Blasting is a very effective method of crushing various types of rocks with different hardness in mining, as it can crush a large amount of rocks at once and at a low cost. In addition, muckpile fragmentation is represented by particle size distribution, which is an important parameter for optimizing blasting plans. Methods for measuring the particle size distribution of muckpile fragmentation include sieving and using laser scanners, and methods using 2D images.
189
13 Nov 2023
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