With the development of the automobile industry, the popularization of vehicles and the improvement of people's living standards, consumers are paying more and more attention to the NVH performance of the vehicle ...With the development of the automobile industry, the popularization of vehicles and the improvement of people's living standards, consumers are paying more and more attention to the NVH performance of the vehicle while pursuing vehicle safety, functional configuration and reliability. As one of the important factors of vehicle NVH, braking NVH directly affects the performance of vehicle NVH and also affects the car brand image. Due to the complexity of the causes of braking NVH, it involves many disciplines such as tribology, vibration mechanics, materials science and computer simulation. Therefore, braking NVH has become a common problem in various OEMs. The problem of braking NVH seriously affects the driving quality of vehicles. Therefore, various OEMs pay more and more attention to braking NVH. At present, domestic OEMs are committed to improving the bench matching procedure, hoping to find a brake NVH with excellent performance through bench matching. Through the long-term data collection of braking NVH working conditions of various models, the characteristics of the main working conditions of braking NVH in the current market are mastered, and the standard procedures of SAE J2521 are compared and analyzed. Chinese market demand. At the same time, the test requirements and evaluation methods of bench matching are described in detail. Ensure that reliable solutions can be found quickly and efficiently during new model development and problem resolution.展开更多
文摘With the development of the automobile industry, the popularization of vehicles and the improvement of people's living standards, consumers are paying more and more attention to the NVH performance of the vehicle while pursuing vehicle safety, functional configuration and reliability. As one of the important factors of vehicle NVH, braking NVH directly affects the performance of vehicle NVH and also affects the car brand image. Due to the complexity of the causes of braking NVH, it involves many disciplines such as tribology, vibration mechanics, materials science and computer simulation. Therefore, braking NVH has become a common problem in various OEMs. The problem of braking NVH seriously affects the driving quality of vehicles. Therefore, various OEMs pay more and more attention to braking NVH. At present, domestic OEMs are committed to improving the bench matching procedure, hoping to find a brake NVH with excellent performance through bench matching. Through the long-term data collection of braking NVH working conditions of various models, the characteristics of the main working conditions of braking NVH in the current market are mastered, and the standard procedures of SAE J2521 are compared and analyzed. Chinese market demand. At the same time, the test requirements and evaluation methods of bench matching are described in detail. Ensure that reliable solutions can be found quickly and efficiently during new model development and problem resolution.
