Gearbox Fault Diagnosis using Adaptive Zero Phase Time-varying Filter Based on Multi-scale Chirplet

• 作 者: WU Chunyan LIU Jian PENG Fuqia
• 机 构: StateKeyLaboratoryofAdvancedDesignandManufacturingforVehicleBody
• 出 处: 中国机械工程学报：英文版
• 发表日期: 2013年4期
• 关键词: ZERO PHASE TIME-VARYING FILTER MULTI-SCALE CHIRPLET sparse signal decomposition
• 基金项目: supported by National Natural Science Foundation of China (Grant No. 71271078),National Hi-tech Research and Development Program of China (863 Program, Grant No. 2009AA04Z414),Integration of Industry,

When used for separating multi-component non-stationary signals, the adaptive time-varying filter(ATF) based on multi-scale chirplet sparse signal decomposition(MCSSD) generates phase shift and signal distortion. To overcome this drawback, the zero phase