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首页> 外文会议>International Conference on Adaptive Structures and Technologies; 20051009-12; Paris(FR) >NON-LINEAR SEMI-PASSIVE DAMPING USING CONSTANT OR ADAPTIVE VOLTAGE SOURCES: A STABILITY ANALYSIS
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NON-LINEAR SEMI-PASSIVE DAMPING USING CONSTANT OR ADAPTIVE VOLTAGE SOURCES: A STABILITY ANALYSIS

机译：使用恒定或自适应电压源的非线性半无源阻尼：稳定性分析

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摘要

Semi-passive control vibration systems by non-linear methods experienced a strong development these last years, due to their effectiveness and advantages compared to other approaches. In particular, the SSD (Synchronized Switch Damping) technique leads to a very effective attenuation. The SSD technique can be improved by switching on continuous voltage sources that result in enlarging the conversion energy cycle. This method, called SSDV, is almost as effective as active techniques, but may generate instabilities. This paper deals with these particular problems focusing on CICO stability (Converging Input, Converging Output) and robustness, considering a theoretical and a technological point of view. Besides, an improved SSDV is proposed, using matched continuous voltage sources. Stability and robustness are discussed using the first harmonic method. It is shown both theoretically and experimentally that the enhanced SSDV is much more stable than the classical SSDV.
机译：近年来，通过非线性方法的半被动控制振动系统由于其有效性和与其他方法相比的优势而经历了强劲的发展。特别是，SSD（同步开关阻尼）技术可导致非常有效的衰减。可以通过接通连续电压源来改善SSD技术，这会导致转换能量周期增大。这种称为SSDV的方法几乎与主动技术一样有效，但可能会产生不稳定性。本文从理论和技术角度出发，针对这些特定问题着重于CICO稳定性（收敛输入，收敛输出）和鲁棒性。此外，提出了一种使用匹配的连续电压源的改进的SSDV。使用一次谐波方法讨论了稳定性和鲁棒性。从理论上和实验上都表明，增强型SSDV比经典型SSDV更稳定。

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