Fault injection system for automatic testing system  

作　　者：王胜文 洪炳熔 

机构地区：[1]Dept. of Computer Science and Engineering, Harbin Institute of Technology, Harbin 150001 ,China [2]Dept. of Computer Science and Engineering, Harbin Institute of Technology, Harbin 150001 ,Chinaonsidering the deficiency of the means for confirming the attribution of fault redundancy in the research of Automatic Testing System(ATS), a fault-injection system has been proposed to study fault redundancy of automatic testing system through compurison. By means of a fault-imbeded environmental simulation, the faults injected at the input level of the software are under test. These faults may induce inherent failure mode, thus bringing about unexpected output, and the anticipated goal of the test is attained. The fault injection consists of voltage signal generator, current signal generator and rear drive circuit which are specially developed, and the ATS can work regularly by means of software simulation. The experimental results indicate that the fault injection system can find the deficiency of the automatic testing software, and identify the preference of fault redundancy. On the other hand, some soft deficiency never exposed before can be identified by analyzing the testing results.

出　　处：《Journal of Harbin Institute of Technology(New Series)》2003年第3期321-324,共4页哈尔滨工业大学学报（英文版）

基　　金：Sponsored by the Fund of "the Tenth 5-year" Preparatory Project of National Defence(Grant No. 417010402)

摘　　要：Considering the deficiency of the means for confirming the attribution of fault redundancy in the re-search of Automatic Testing System(ATS) , a fault-injection system has been proposed to study fault redundancyof automatic testing system through compurison. By means of a fault-imbeded environmental simulation, thefaults injected at the input level of the software are under test. These faults may induce inherent failure mode,thus bringing about unexpected output, and the anticipated goal of the test is attained. The fault injection con-sists of voltage signal generator, current signal generator and rear drive circuit which are specially developed,and the ATS can work regularly by means of software simulation. The experimental results indicate that the faultinjection system can find the deficiency of the automatic testing software, and identify the preference of fault re-dundancy. On the other hand, some soft deficiency never exposed before can be identified by analyzing the tes-ting results.Considering the deficiency of the means for confirming the attribution of fault redundancy in the research of Automatic Testing System(ATS), a fault-injection system has been proposed to study fault redundancy of automatic testing system through compurison. By means of a fault-imbeded environmental simulation, the faults injected at the input level of the software are under test. These faults may induce inherent failure mode, thus bringing about unexpected output, and the anticipated goal of the test is attained. The fault injection consists of voltage signal generator, current signal generator and rear drive circuit which are specially developed, and the ATS can work regularly by means of software simulation. The experimental results indicate that the fault injection system can find the deficiency of the automatic testing software, and identify the preference of fault redundancy. On the other hand, some soft deficiency never exposed before can be identified by analyzing the testing results.

关 键 词：Fault injection comparing method rear drive ATS 

分 类 号：TP311.56[自动化与计算机技术—计算机软件与理论] TP274.5[自动化与计算机技术—计算机科学与技术]