Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Der-Fa Chen"'
Publikováno v:
Behavioral Sciences, Vol 14, Iss 5, p 388 (2024)
In recent decades, scholarly interest has grown in the psychological components of happiness. Savoring belief, or the capacity to attend to, appreciate, and enhance the positive experiences in one’s life, along with resilience and meaning in life,
Externí odkaz:
https://doaj.org/article/cbc057ce7897461883597e0a6e053280
Publikováno v:
Polymers, Vol 16, Iss 8, p 1113 (2024)
This research investigates the control of thickness and weight in plastic extrusion vacuum-thermoforming products to identify optimal key parameters for cost reduction and energy savings. The initial step involves identifying crucial influencing fact
Externí odkaz:
https://doaj.org/article/11cf316532e140528982463a61fe77c0
Publikováno v:
SAGE Open, Vol 12 (2022)
Followed by the fast developments in Internet of Things (IoT), artificial intelligence (AI) technologies, utilizing cloud architecture and big data, have been integrated into various aspects of our daily lives. Such an integration results in high lev
Externí odkaz:
https://doaj.org/article/36ba8aa29dea491780a2e7f5798e2241
Publikováno v:
Applied Sciences, Vol 12, Iss 10, p 5122 (2022)
This study took food-grade polypropylene packaging products as the research project and discussed how to control the polypropylene extrusion sheet thickness and vacuum thermoforming quality and weight. The research objective was to find the key facto
Externí odkaz:
https://doaj.org/article/6d01c343228a45a5a032d8f4fb1a50f2
Publikováno v:
Actuators, Vol 10, Iss 3, p 65 (2021)
Electromagnetic actuator systems composed of an induction servo motor (ISM) drive system and a rice milling machine system have widely been used in agricultural applications. In order to achieve a finer control performance, a witty control system usi
Externí odkaz:
https://doaj.org/article/aeff5e4d5665431ea5f8ba8d1df47fa3
Publikováno v:
Energies, Vol 13, Iss 11, p 2914 (2020)
Because permanent-magnet synchronous linear motors (SLM) still exhibit nonlinear friction, ending effects and time-varying dynamic uncertainties, better control performances cannot be achieved by using common linear controllers. We propose a backstep
Externí odkaz:
https://doaj.org/article/e65d97af5c5a4cb7805e8860979ea18b
Publikováno v:
Mathematics, Vol 8, Iss 5, p 754 (2020)
Due to a good ability of learning for nonlinear uncertainties, a mixed modified recurring Rogers-Szego polynomials neural network (MMRRSPNN) control with mended grey wolf optimization (MGWO) by using two linear adjusted factors is proposed to the six
Externí odkaz:
https://doaj.org/article/b117700163194c6db9173df201224b38
Autor:
Der-Fa Chen, 陳德發
89
This dissertation proposes a novel method for the design and implementation of a matrix converter PMSM drive system. In the dissertation, a neural-network current-regulated switching strategy and a two-degree-of-freedom controller design are
This dissertation proposes a novel method for the design and implementation of a matrix converter PMSM drive system. In the dissertation, a neural-network current-regulated switching strategy and a two-degree-of-freedom controller design are
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/87764254041874008496
Publikováno v:
Sustainability
Volume 15
Issue 4
Pages: 3571
Volume 15
Issue 4
Pages: 3571
The booming development of livestream e-commerce has attracted considerable academic attention, but research on how social presence affects consumers’ purchase decisions is limited. To this end, this article proposed a theoretical framework for the
Publikováno v:
American Journal of Educational Research. 9:555-558
Objective of principals technology leadership contents, there are 32 topics covering 5 facet being prepared. Following the fuzzy Delphi method, 17 experts were invited to have Delphi rounds questionnaire. The lfacets and breakdowns comprise 26 topics