Takashi Kenjo – författare
Visar alla böcker från författaren Takashi Kenjo. Handla med fri frakt och snabb leverans.
3 produkter
Electric Motors and Their Controls
An Introduction
Häftad, 1991
1176 kr
Lägg i varukorg
This is an introductory work explaining the principles, construction, and use of electric motors and their associated drive controls. It starts from school-level basic physics, but progresses to discuss state-of-the-art topics such as piezoelectric motors and vector control. It is largely …
An Introduction to Ultrasonic Motors
Av Toshiiku Sashida, Takashi Kenjo
Inbunden, 1993
2352 kr
Lägg i varukorg
The ultrasonic motor, invented in 1980, utilizes the piezoelectric effect in the ultrasonic frequency range to provide the motive force. (In conventional electric motors the motive force is electromagnetic). The result is a motor with unusually good low-speed high-torque and power-to-weight …
SPACETIME GEOMETRY OF RELATIVITY: EXTENDING PYTHAGOREAN THEOREM
Av Takashi Kenjo, Shigeru Sano
Inbunden, 2025
2260 kr
Lägg i varukorg
The theory of relativity was created by Einstein in two stages, extending over a decade from 1905 to 1915. General relativity is said to be the most powerful tool that can be used to explain the behavior of the universe.In this book, we try to comprehend the universe with a fundamental formula …
