Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Joseph A. Weimer"'
Autor:
Won Soon Chang, Bick T. Nguyen, Joseph A. Weimer, John E. Leland, J. E. Beam, Rengasamy Ponnappan
Publikováno v:
Journal of Propulsion and Power. 12:398-404
A metal oxide semiconductor controlled thyristor (MCT) is a solid-state high-current switching device. Because of its high-current and high-heat dissipation, this device requires an advanced cooling arrangement. A sample MCT device was successfully t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4994a9df0000192e3bc399485205b50f
https://doi.org/10.2514/3.24042
https://doi.org/10.2514/3.24042
Publikováno v:
Journal of Circuits, Systems and Computers. :393-410
Experimental results are given for a PMOS-controlled thyristor (PMCT). The static IA-VAK characteristics of a PMCT were measured using a programmable high power curve tracer for both forward and reverse anode-to-cathode voltage VAK at different tempe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22801562f213a2eda660b24c8f2eb6a1
https://doi.org/10.1142/s0218126695000242
https://doi.org/10.1142/s0218126695000242
Publikováno v:
MRS Proceedings. 446
BaTiO3 films prepared by RF sputtering was studied for capacitor applications. Some films produced have a capacitance storage of 0.85 μF/cm2, a high resistivity of 1014 ω‐cm, and a low dissipation factor of 0.005. The dielectric constant of these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65fbbfb30aab14044d0ac68dfebad466
https://doi.org/10.1557/proc-446-343
https://doi.org/10.1557/proc-446-343
Publikováno v:
AIP Conference Proceedings.
This research activity attempts to develop an ultra‐thin capacitor using TiO2 as a dielectric film for high‐temperature microelectronics in commerical or military applications. There has been an increasing demand for a high dielectric constant in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5091996c02031e022fdd3452b2cbcc4e
https://doi.org/10.1063/1.47212
https://doi.org/10.1063/1.47212
Publikováno v:
AIP Conference Proceedings.
The PMOS‐controlled thyristor (PMCT) was tested in a single switch configuration under inductive load conditions. The transient waveforms during turn‐on and turn‐off were observed such as the anode current iA, inductor current iL, anode‐to‐
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::012c829150663c1a394a3940147d7351
https://doi.org/10.1063/1.43187
https://doi.org/10.1063/1.43187
Publikováno v:
SAE Technical Paper Series.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53ad030f1b9d9f590c14729667d78e1a
https://doi.org/10.4271/929477
https://doi.org/10.4271/929477
Autor:
Joseph A. Weimer, J.J. Cathey
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 24:171-176
The concept of designing a high-speed, permanent magnet, brushless DC motor aircraft fuel pump drive using a cycloconverter link is examined. A combination of sinusoidal and DC steady-state analysis is used to produce a simple model of the system. A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aeadab88ac8a17457da6a5f6a7ff629c
https://doi.org/10.1109/7.1050
https://doi.org/10.1109/7.1050
Publikováno v:
IEEE Transactions on Industrial Electronics. 35:278-283
A method of thyristor gating management to allow operation of a cycloconverter-link brushless DC motor drive from a variable-voltage variable-frequency (VV-VF) source is presented. Multiple microprocessors are utilized to assure that no compromise in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0f1633d8c661e1f6ad47151a4747892
https://doi.org/10.1109/41.192660
https://doi.org/10.1109/41.192660
Autor:
Thomas H. Ortmeyer, Joseph A. Weimer
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. :349-355
The control of a cascaded doubly fed machine (CDFM) to be used for aircraft power generation is investigated. The controller employs a resistance simulator in the generator exciter to provide machine damping. Excitation is provided by a six step inve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2142affa1c05fd56148a5cfe8381dff
https://doi.org/10.1109/taes.1986.310770
https://doi.org/10.1109/taes.1986.310770
Autor:
Joseph A. Weimer, Ishaque S. Mehdi
Publikováno v:
SAE Technical Paper Series.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab3ed1a83a8ce364de81bdd6b9cadb5b
https://doi.org/10.4271/871886
https://doi.org/10.4271/871886