| Active Noise Control for Vehicle Exhaust Noise Reduction |
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| 作者姓名： | 李克强 杨殿阁 郑四发 连小珉 田中丈晴 |
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| 作者单位： | [1]StateKeyLaboratoryofAutomotiveSafetyandEnergy,DepartmentofAutomotiveEngineering,TsinghuaUniversity,Beijing100084,China [2]EnvironmentandEnergyResearchDivision,NationalTrafficSafetyandEnvironmentLaboratory,Tokyo181-0004,Japan |
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| 摘 要： | An active noise control (ANC) method was developed for exhaust noise reduction for medium-duty diesel trucks. A modified variable step size least mean squares (LMS) algorithm was used for the controller ina variable environment that considered the vehicle‘s acceleration characteristics. The variable step size time-based synchronized filtered-x LMS method (SFX-TB) used an adaptive algorithm that was more efficient than the conventional flltered-x LMS algorithm. The simulation and the experimental tests show that the control trackability and stability provided by the algorithm during acceleration enable the ANC system to effectively reduce the vehicle exhaust noise.
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| 关 键 词： | 汽车 柴油机 排气噪声 主动噪声控制 步长 最小均方算法 |
Active Noise Control for Vehicle Exhaust Noise Reduction |
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| Abstract: | An active noise control (ANC) method was developed for exhaust noise reduction for medium-duty diesel trucks. A modified variable step size least mean squares (LMS) algorithm was used for the controller in a variable environment that considered the vehicle's acceleration characteristics. The variable step size time-based synchronized filtered-x LMS method (SFX-TB) used an adaptive algorithm that was more efficient than the conventional filtered-x LMS algorithm. The simulation and the experimental tests show that the control trackability and stability provided by the algorithm during acceleration enable the ANC system to effectively reduce the vehicle exhaust noise. |
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| Keywords: | active noise control exhaust noise acceleration characteristics step size |
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