Ultra-low frequency passive vertical vibration isolation system
β Scribed by Zhao Pengfei; Luo Jun; Zhou Zebing; Tang Jiaxiang
- Publisher
- SP Science China Press
- Year
- 1989
- Tongue
- English
- Weight
- 412 KB
- Volume
- 42
- Category
- Article
- ISSN
- 1674-7283
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Five subjects were exposed to a thirty-minuie period low-frequency, narrow band, random vertical vibration spectrum, with frequency peak at 2.5 Hz and an r.m.s. "g" of 0-23, and with some low frequency acoustic noise, during which they were asked to perform a simple vigilance task. The effect of thi
A quadratic programming algorithm is presented for studying the design tradeoffs of active-passive vibration isolation systems. The novelty of the technique is that the optimal control problem is posed as a quadratic optimization with linear constraints. The quadratic cost function represents the me