Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Petru-Aurelian Simionescu"'
Publikováno v:
Agriculture, Vol 14, Iss 11, p 1888 (2024)
The small rhizome Chinese herbal medicine harvesting machine is used for excavating the underground rhizomes of Chinese medicinal plants. The reliability of an existing machine of this type was found to be suboptimal due to high vibration levels, as
Externí odkaz:
https://doaj.org/article/30f5fdfe0f554dc9a3e6081bf7d50043
Publikováno v:
Agriculture, Vol 14, Iss 5, p 701 (2024)
Traditional methods for harvesting medicinal materials with long roots, like Astragalus membranaceus, require extensive soil excavation, leading to problems like inefficient soil separation, low stemming rates, and blockages in conveyor chains. To ad
Externí odkaz:
https://doaj.org/article/71267765b8ac49d392bf313c207979fc
Publikováno v:
Agriculture, Vol 13, Iss 7, p 1400 (2023)
The seed metering process of a fluted force-feed seeder was simulated using the Discrete Element Method and its parameters optimized using the Box–Behnken Design of Experiments and the Response Surface Method. The rotational speed of the feed rolle
Externí odkaz:
https://doaj.org/article/646e80f50a5c4014a4095a0a2852c93f
Autor:
Yuanjin Ju, Wei Sun, Zhiwei Zhao, Hucun Wang, Xiaolong Liu, Hua Zhang, Hui Li, Petru Aurelian Simionescu
Publikováno v:
Machines, Vol 11, Iss 4, p 432 (2023)
A self-propelled machine for combined potato harvesting and residual plastic film retrieval is presented in this paper. The machine was designed collaboratively and built at the College of Mechano-Electronic Engineering of Gansu Agricultural Universi
Externí odkaz:
https://doaj.org/article/d66fc1dabe9f4b1d94beb09568ed4c97
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 235:6883-6892
Covering with plastic film in fall and planting through the film in spring is an effective drought-resistance, potato-cultivation method. To achieve proper under-plastic-film, hill-drop potato seeding, the geometry of an existing five-link planter me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16835339751b65a370efc38c915a181e
https://doi.org/10.1177/09544062211004652
https://doi.org/10.1177/09544062211004652
Autor:
Wei Sun, Petru-Aurelian Simionescu
Publikováno v:
American Journal of Potato Research. 97:256-264
The new technology of filming in autumn and planting directly through the plastic film in spring is an effective water-saving method and drought-resistance commercial potato production. However, filming first and then planting is not compatible with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e4f5a2f3f7acbe88e694082c6d70a62
https://doi.org/10.1007/s12230-020-09773-5
https://doi.org/10.1007/s12230-020-09773-5
Autor:
Petru-Aurelian Simionescu
Publikováno v:
2008 Annual Conference & Exposition Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::695d31a65a3f95ea93ff11b29df3b765
https://doi.org/10.18260/1-2--3796
https://doi.org/10.18260/1-2--3796
Publikováno v:
2007 Annual Conference & Exposition Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb1db5186ff5a4eefd02204fcb05b3af
https://doi.org/10.18260/1-2--2747
https://doi.org/10.18260/1-2--2747
Publikováno v:
Proceedings of the 2020 USCToMM Symposium on Mechanical Systems and Robotics ISBN: 9783030439286
Several Working Model 2D simulations for the analysis of disk-cam mechanisms and for cam profile generation as follower envelope in a motion inversion approach are presented. Using these simulations, the relationship between the follower motion progr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59ce49106d82addf69a3da0d8e166c89
https://doi.org/10.1007/978-3-030-43929-3_2
https://doi.org/10.1007/978-3-030-43929-3_2
Publikováno v:
Proceedings of the 2020 USCToMM Symposium on Mechanical Systems and Robotics ISBN: 9783030439286
The paper describes the use of MATLAB software in the synthesis of cam mechanisms as follower envelopes, using motion data read from file. Disk cams with translating and oscillating followers, flat-faced, pointed and with roller are discussed, as wel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef90d7a422d3e551d26f0ebf6494b833
https://doi.org/10.1007/978-3-030-43929-3_3
https://doi.org/10.1007/978-3-030-43929-3_3