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SEL was founded in Pullman, Washington in 1982 when Dr. Edmund O. Schweitzer III invented and marketed the first all-digital protective relay. Schweitzer created the relay as a Ph.D. project while at Washington State University. He sold his first product, the SEL-21, to Otter Tail Power Company in Fergus Falls, Minnesota in 1984. Otter Tail ...
Schweitzer and his wife Beatriz are active philanthropists. They support numerous causes related to education and caring for those in need. For example, in 2018, they pledged 3 million dollars to their Alma Mater, Purdue. $1.5 million going to the School of Electrical and Computer Engineering to endow a professorship, and another $1.5 million ...
The Bard–Schweitzer approximation estimates the average number of jobs at node k to be: [1] [7] () which is a linear interpolation. From the above formulas, this approximation yields fixed-point relationships which can be solved numerically. This iterative approach often goes under the name of approximate MVA (AMVA) and it is typically faster ...
[1] The resulting single seater-seventh design (1-7) was quite different from the 1-6. The 1-6 had been an all-metal design including aluminum-covered wings and was the first all-metal glider ever built. [1] The 1-7 was designed to use more traditional methods and has a steel-tube fuselage frame covered in aircraft fabric.
1. Center line, the central axis of a feature. 2. Class, for example, "paint per spec XYZ revision C type 1 class 2" may be abbreviated as "paint per spec XYZ REV C TY 1 CL 2" or even in some cases "paint per spec XYZ-C-1-2". (The latter practice is not uncommon but is cryptic for workers with minimal training and experience. The first two ...
The Schweizer SGU 1-19 and Schweizer SGU 1-20 are a family of United States single-seat, high-wing, strut-braced, utility gliders built by Schweizer Aircraft of Elmira, New York. [ 1 ] [ 2 ] The 1-19 was a 1944 development of the pre-war SGU 1-7 and bears a strong resemblance to the earlier craft.
The standard was developed over a five-year period based on the initial work published in "Ethical IT innovation: A value-based system design approach" in 2015. [2] Similar to value sensitive design, the standard's intent is to provide a framework for the consideration of human values and ethical concerns. [3]
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