Noise Analysis System Automatically

This paper introduces the research work on the development of the noise automatic-analysis system. The noise automatic-analysis system is the mechatronic equipment based on sound intensity measurement technology. The system is controlled by computer and able to measure automatically on the measuring plane by means of robotics driving sound intensity sensor. The system can perform various analyses about acquired data and automatically search for the main noise sources.The research work of this paper primarily includes:1. The general design of the whole system is carried out in order to determine the partition and definition of the system module, the hardware structure and softwarefunctions of the system.2. The hardware part of the sensor motion and orientation (among them include the mechanical part, the power part, the control and information processing part) is designed, purchased and assembled.3. The software part of the sensor motion and orientation (among them include the position control, the turning control, the rise and fall pace of the step motor etc.) is designed, programmed and actually tested.4. By means of noise automatic-analysis system measuring and analyzing, the methods and approaches are studied, which can be applied to automatically search for the main noise sources. In analysis complex shape optimum method is applied.The noise automatic-analysis system can mainly be made use of reducing noise and diagnosing malfunction, at the same time has good developmental prospect and high application value. Via research, at present the system has been preliminary developed, which provide good foundation for following work.