| The products' performance test is an important means of testing the quality of the products. The new technology unceasingly appears, but the performance test is still an essential method that can guarantee the immediately use of the product. Take the refrigerator' s performance test for example, in the past the test system analyzed the manual gathered database. But that can low the automation and the working efficiency and can' t make sure the accuracy degree. Now there' re many test systems that can use computer to do performance test for refrigerator, but they' re primarily hardware and vary greatly in category and accuracy degree. Moreover, the versatility is bad and the foreign products are very expensive, so they are very difficult to become popular. Therefore, it' s very significant to develop new refrigerator' s test systems that can be conveniently used and test each parameter correctly.In view of this kind of situation, we develop the refrigerator' s test system based on VB. VB can also use DLL to realize the IO port input and output functions and serial-port communication through Mscomm control and API function but also to realize the image display and data storage conveniently. So we develop language first. The system we developed has high accuracy degree and its data is reliable. It may also automatically complete the task of data processing and memory, planing test curve and working out the error and non-linearity of the corresponding point. So it can assess the quality and performance of the product, for that we can come up with the improvement advice and plan.This thesis tries to strictly carry on the organization, the analysis and the function realization according to the software engineering... |
