| With the development of information technology, computer technology especially the embedded system technology is wildly used in the weapon systems of our country, and makes the performance of these weapons better. At the same time, these weapon systems become more and more complex, ask for a better software reliability. Embedded manage-control software pays a key role in these weapon systems as a real-time control software, but it's reliability research results which is published is quite litter at present, especially the project practice of the software reliability certification, so it's very rewarding and import to do some researches on software reliability of the embedded manage-control software.This paper analyses the factors affecting the reliability of embedded manage-control software at first. Then a method that could improve the software reliability through software reliability design and reliability testing is proposed. In the software reliability design, use the object-oriented method and extend UML for the need of modeling embedded real-time software, and a design method that can improve the software reliability is proposed.In software reliability certification, this paper discards the traditional reliability testing methods using software reliability models, controls the whole software's reliability through controlling each task's reliability. Then a software reliability allocation model is proposed. After allocating the software reliability according to the model above to each task, this paper validates these tasks' reliability through executing some defined test cases which can't cause software failure according to the statistical testing theory. Then predigests the creating test case method and make the testing more advantage.At last, this paper applies the software reliability design and testing method to a typical embedded manage-control software. The testing result shows a great effect for ensuring the software reliability. |
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