Analysis of vibration characteristics and adaptive continuous perturbation control of some torsional vibration system with backlash

2017 ◽  
Vol 103 ◽  
pp. 151-158 ◽  
Author(s):  
Shuang Liu ◽  
Hongling Ai ◽  
Zhenjun Lin ◽  
Zong Meng
Keyword(s):  
Torsional Vibration ◽  
Vibration Characteristics ◽  
Vibration System ◽  
Continuous Perturbation

Theoretical Analysis of a Novel Planetary Gear Type Inerter for the Torsional Vibration Suppression Capability of Automotive Drive Train System

2017 ◽  
Author(s):  
Aki Ogawa ◽  
Kazuhiko Adachi
Keyword(s):  
Theoretical Analysis ◽  
Torsional Vibration ◽  
Vibration Suppression ◽  
Planetary Gear ◽  
Vibration Characteristics ◽  
Vibration System ◽  
Resonance Frequencies ◽  
Matrix Formula ◽  
Train System ◽  
Port Device

This study aims at proposing a novel planetary gear type inerter which has a capability of regulating the resonance and anti-resonance characteristics of the torsional vibration system, for example, reducing resonance and anti-resonance frequencies, generating new anti-resonance, etc. The ideal inerter is introduced by Smith (2002) as “a mechanical two-terminal, one-port device with the property that the equal and opposite force applied at the nodes is proportional to the relative acceleration between the nodes[1].” The proposed inerter consists of a planetary gear unit. The governing equation of the proposed inerter is derived as matrix formula. According to the theoretical analysis of the formulation in the frequency domain via Laplace transformation, the proposed inerter has the capability to tune the vibration characteristics of the torsional vibration system. Under the simplification assumptions of the system parameters, the numerical simulation results successfully demonstrate the vibration characteristics tuning capability of the proposed inerter.

scholarly journals Torsional vibration characteristics analysis of DFIG-based wind farm and its equivalent model

2017 ◽  
Vol 12 (5) ◽  
pp. 646-656
Author(s):  
Da Xie ◽  
Junbo Sun ◽  
Yupu Lu ◽  
Yucheng Lou ◽  
Chenghong Gu ◽  
...  
Keyword(s):  
Torsional Vibration ◽  
Wind Farm ◽  
Vibration Characteristics ◽  
Equivalent Model ◽  
Characteristics Analysis

Measuring vibration characteristics at large amplitude region of materials for high power ultrasonic vibration system

Ultrasonics ◽  
2000 ◽  
Vol 38 (1-8) ◽  
pp. 122-126 ◽  
Author(s):  
Kentaro Nakamura ◽  
Kiyotsugu Kakihara ◽  
Masahiko Kawakami ◽  
Sadayuki Ueha
Keyword(s):  
Ultrasonic Vibration ◽  
High Power ◽  
Large Amplitude ◽  
Vibration Characteristics ◽  
Vibration System ◽  
Power Ultrasonic
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