Study And Development Of Virtual Test System For Motorcycle Magneto Quality

Magneto ignition system in motorcycle is an important part of engine, which affects motorcycle's power, economy and exhaust. Moreover it's capable in on-line test and the quality control is one of the key technology that can assure and improve the quality of China's motorcycle products. Because it is very expensive to import motorcycle magneto on-line test system, and China's equipment quality and technology level can't meet the request of modern production quality control and administration, it is practically important to develop an advanced on-line test equipment of motorcycle magneto ignition system on modern measure and control technology with a low cost and a suitable national condition. VI (Virtual Instruments) technology is an important developing direction of modern automated measure and control technology. Because of using the general and interchangeable hardware and the expansible and flexible computer software to construct the measure and control system, we can not only reduce the cost of system, but also implement powerful test functions. But the development of software is very important in VI, it needs an in-depth research and exploitation by way of combining idiographic measure object and request.Because of the motorcycle magneto object and special request, this paper develops a motorcycle magneto virtual test system with VI technology, which has stable and abundant capability, convenient operation, beautiful interface, high level automation and appropriate price. Meanwhile, this paper answers some common questions of using VI technology in vehicle components on-line test system and advised the solution. The main content of this paper includes: 4) The development and study of mechanical platform in motorcycle magneto test system.5) The development and study of the circuitry module to acquire the magneto output signal.6) The development of VI software in magneto on-line test system, and the discussing of OO (Object-Oriented) technology, including:* The application of MFC Document/View frame in the software;* The parameter algorithm for the magneto output signal;* The design and development of wave monitor control;* The development of VI drivers in the on-line test system;* The study of serial communication and the development of the transducer control module in the on-line test system; * The application of multimedia technology in the on-line test system;* The design and development of A/D control component with COM technology; At present, this equipment has been put into practice and has received a good response. Therefore, the feasibility of the method and technology in this paper was validated.