故障模拟 meaning in English
fault simulation
Examples
- 2 ) we put up the experiments mainly based on the cpld for the faults emulation on some typical digital circuits . and we built the transition function databases according to the faulty testing results
2 、以cpld为核心进行了一些典型数字电路的故障模拟仿真试验，建立被测电路的状态转移函数集，为进一步研究电路的可测试性和故障诊断提供了数据。 - ( 3 ) we put up the experiments for the faults emulation on some digital signal circuits . these experiments were mainly based on the cpld / fpga and we built the testing faulty databases according to these circuits
( 3 )以可编程逻辑器件为核心进行了一些典型数字电路的故障模拟仿真试验，并建立相应的电路故障测试集数据库，为这些电路的可测试性研究提供数据。 - And more than 70 % hardware are tested during microcode self - test since the execution of micro program can cover other data paths . boundary scan is designed according to ieee1149 . 1 , and some other instructions such as degug , runbist are provided to support internal fault testing , online debugging and built - in self - test besides the several necessary insructions . internal scan is implemented by partial scan , through this the boundary of logic component and user - cared system registers can be selected to be scanned
Bist用于测试cpu的微码rom ,其它ram则利用微码rom中的微程序进行测试,而微程序的运行则可以顺带覆盖其它数据通路,从而使高达70 %的硬件得到测试;边界扫描按ieee1149 . 1标准设计,除必备的几条边界扫描指令外,还提供了debug 、 runbist等指令以支持内部故障测试、在线调试及内建自测试;内部扫描采用部分扫描策略,选择逻辑部件的边界及用户关心的系统寄存器进行扫描,从而实现了硬件逻辑划分,方便了后续的测试码产生和故障模拟,并为在线调试打下了基础。 - 6 . using simulation data of cz - 2f launch vehicle fault simulation system , the result of simulation based on cz - 2f launch vehicle pitch direction indicate that hm filtering fault detect can assure whether fault occurs , and this method achieves a better robustness and improves detect accuracy
以cz ? zf大型运载火箭作为研究对象，利用c2 ? 2f运载火箭故障模拟系统的仿真数据，使用h _滤波故障检测方法对cz ? 2f运载火箭的俯仰通道进行了故障检测仿真，通过对余量曲线的分析表明这种方法能较好的判断故障是否发生，由此说明了利用h _滤波理论进行鲁棒故障检测的可行性。 - This paper discusses the designing and making of the dynamic testing systems of engine electronic control system . base on the construction and operation principle of santana 2000gsi m3 . 8 . 2 engine electronic control systems , design and manufacture led circuit of dynamic testing and fault imitating electronic control unit . on the inspect board , design and equip with motronic 3 . 8 . 2 ecu i / o measuring joints , design and set up obd - ii diagnostic communication link , design and install fuel pressure inspecting meter . depend on the obd - ii diagnostic communication link and ecu i / o measuring joints , this dynamic testing system can inspect engine electronic fuel injection system , distributorless ignition system , idle speed control system and evaporative emission control system , and can inspect m3 . 8 . 2 sensors , ecu and actuators , and can interrogate fault memory and erase fault memory ; and can analyse data stream ; and can carry out fault imitating . besides , this paper analyses sensors and actuators typical fault w aves
2电控单元电路连接器设计制成输入输出电子控制检测端子，并在检测面板上布置了obd -诊断插座和燃油压力表。使该动态测试系统能实现对电喷发动机的燃油系统、直接点火系统、怠速控制系统和燃油蒸气排放控制系统的动态检测；并通过obd -诊断座、 ecu输入输出检测端子和故障模拟处理单元实现对电喷发动机电控系统各传感器、电控单元、执行器进行故障码读取与清除；动态数据读取和波形测试和故障模拟等。此外，本论文还分析了传感器和执行器典型故障波形。