Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Yawen Yi"'
Autor:
Xiangfeng Luo, Yawen Yi
Publikováno v:
Future Internet, Vol 11, Iss 3, p 79 (2019)
Nowadays, massive texts are generated on the web, which contain a variety of viewpoints, attitudes, and emotions for products and services. Subjective information mining of online comments is vital for enterprises to improve their products or service
Externí odkaz:
https://doaj.org/article/c93dafb295fd4c23ad59df3967279e11
Publikováno v:
EAI Endorsed Transactions on Scalable Information Systems; 2024, Vol. 11 Issue 4, p1-6, 6p
Publikováno v:
2020 Chinese Automation Congress (CAC).
For the permanent magnet synchronous motor drive system of traditional field-oriented control, the dual closed-loop PI cascade control structure has some drawbacks such as slow dynamic response, and poor low speed characteristic, which inevitably pro
Publikováno v:
HortScience, Vol 59, Iss 2 (2024)
Tea (Camellia sinensis L.) is an important cash crop. In the context of climate change, analyzing the current distribution of tea trees and climate change environmental variables to predict the potential distribution area of tea trees in the future c
Externí odkaz:
https://doaj.org/article/cdfa4c01d6a54d78af23d047a35b4b19
Publikováno v:
International Journal of Computational Science and Engineering. 21:315
Recently, more and more users publish their views on events in social media. Identifying influential users in social media can help to analyse the impact of hot events or enterprise products in the real world. The existing mainstream methods are base
Publikováno v:
2011 Asia-Pacific Power and Energy Engineering Conference.
Rotor earth fault protection is used to detect earth faults in the excitation circuit of synchronous machines, ping pong type and injecting-step-voltage rotor earth fault protection are both used in Three Gorges Hydropower Plant. This article analyze
Publikováno v:
2010 International Conference on Electrical and Control Engineering.
The traditional time synchronization algorithms based on the Network Time Protocol (NTP) obtain accurate time synchronization on the assumption that the round-trip delay is equal. A highly precise time synchronization method is preposed, which proces
Publikováno v:
2010 International Conference on Electrical and Control Engineering.
In many large-scale power plants, the structure of its auxiliary power system are complex, and the coordination of its relay protections is difficult. The Three Gorges Hydropower Plant is the largest installed capacity of power plants with complex au
Publikováno v:
2009 Asia-Pacific Power and Energy Engineering Conference.
Time synchronization of Substation Automation System (SAS) based on IEC61850 is studied in this paper. According to the request of time synchronization in SAS, the Network Time Protocol (NTP) is applied to SAS. Following the idea that the time offset
Publikováno v:
2011 Asia-Pacific Power & Energy Engineering Conference (APPEEC); 2011, p1-4, 4p