نتایج جستجو برای: chassis and structure
تعداد نتایج: 16971977 فیلتر نتایج به سال:
Looking at the future trends of the road traffic, one will recognize that the commercial vehicle participation will not decrease, although it is required from the environmental and social viewpoints. The reason is that the other means of freight transport (water, railway, air) do not provide the same flexibility as the road transport, and direct business interest of those companies, who are usi...
Modal parameter analysis is a common method for structural characteristic analysis. To accurately identify the modal parameters that describe vibration characteristics of structure, chassis frame rice transplanter taken as research object. The least squares complex frequency domain method, admittance circle and peak picking are used to process measured signal. parameters, such natural frequency...
SAE (The Society of Automotive Engineers) tarafından düzenlenen resmi bir proje yarışması olan Formula Stu-dent, dünya çapında birçok üniversite öğrencilerinin kendi bilgi birikimlerini kullanarak belirlenen kurallara uygun şekilde tipi yarış arabası tasarlamasını amaçlayarak, öğrencilerin otomotiv sahasındaki bilgilerini geliştirmelerine imkan tanımaktadır. Bu çalışmada SolidWorks 2018 program...
As part of an improvement project on the linear accelerator at SLAC, it was necessary to replace the original thyratron trigger generator, which consisted of two chassis, two vacuum tubes, and a small thyratron. All solid-state, fast rise, and high voltage thyratron drivers, therefore, have been developed and built for the 244 klystron modulators. The rack mounted, single chassis driver employs...
BACKGROUND Synechococcus sp. PCC 7002 (henceforth Synechococcus) is developing into a powerful synthetic biology chassis. In order to streamline the integration of genes into the Synechococcus chromosome, validation of neutral integration sites with optimization of the DNA transformation protocol parameters is necessary. Availability of BioBrick-compatible integration modules is desirable to fu...
In the 21 st Century, space exploration will focus on surface exploration, with human-robotic collaboration allowing extended-duration stays at challenging lunar and planetary sites. This paper focuses on three early phases of lunar exploration: (i) in-situ characterisation and site survey for science, prospecting and reconnaissance in advance of human sorties (ii) in-situ human sortie field as...
Animal-extraction, despite its limitations, continues to monopolize the fast-growing glycosaminoglycan (GAG) industry. The past few years have seen an increased interest in the development of alternative GAG production methods. Chemical and chemo-enzymatic synthesis and biosynthesis from GAG producing cells, including engineered recombinant strains, are currently under investigation. Despite ac...
The fixed chassis design of commonly employed mobile robots restricts their application to fairly flat environments, as the wheel diameters or the track heights impose hard limits on their mobility. Unstructured outdoor and urban environments alike comprehend many different invincible obstacles for most of those systems, like stairs, boulders or rubble. However, there are mobile robots with rec...
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