uut

DDE Technology and its Application in Development of UUT Test Program

DDE技术及其在ATE系统测控软件开发中的应用

Engineering Principle and Practice of the Design of the UUT Diagnosis Policy in System

系统UUT诊断策略设计的工程化原则与实践

The UUT model was proposed based on the thought of integrating test and diagnosis .

提出了基于测试与诊断相结合思想的UUT模型；

Design for Studio of UUT Oriented Test Program

面向UUT测试程序开发环境设计

Then this paper puts forward the method of gradual elimination method for UUT with several SRUs .

针对多SRU结构UUT，提出逐级排除法故障诊断方法。

In this method UUT fault examples are not needed in designing fault dictionary , so it can be easily realized .

该方法中故障字典的设计可直接根据UUT的工作原理和测试点的设置情况进行，不需要大量的故障实例，是工程中容易实现的自动故障诊断方法。

A handy and effective engineering method of the design and analysis technology of the UUT testing point and diagnosis policy and experiences in practical application are introduced especially .

重点介绍了一种对UUT测试点与诊断策略进行设计与分析的简便有效的工程化方法，以及在应用中的实践经验与体会。

The Switches play an important role in connecting unit under test ( UUT ) and signal supply / measurement in auto test system ( ATS ) .

在自动测试系统中，开关矩阵起到连接被测组件与信号激励/测量仪器的重要作用。

All these files are organized into four functional groups . They are UUT model group 、 stimulus and response group 、 fault dictionary group and probe group .

这些数据文件可组织成4个不同的功能组：UUT模型组、激励与响应组、故障字典组和探针组。

The technologies are applied on a ATE system software test , the result has proved what discussed are important means to guarantee the safety of ATE system and UUT .

这些测试技术在某型综合自动检测系统的软件测试中得到了应用，结果证明这些软件测试技术是保证工程研制进度、保障测控系统硬件及被测对象安全的重要手段。

The comparison between the accuracy of the UUT and the estimated calibration uncertainty is known as a Test Uncertainty Ratio ( TUR ) .

被测设备的准确度指标与评定的校准不确定度之比。

Finally , taking one virtual equipment as the UUT , we describe it standardly using this Test Description Language and give the test program applying the describing document .

最后，以某虚拟装备为被测对象，利用该流程描述语言进行了标准化描述，并给出了应用该描述文档开发的测试程序。

Three-dimensional solid model of the UUT style three-axis turntable is built using an engineering software Pro / ENGINEER Wildfire ( Pro / E ) .

利用工程软件PRO/Engineerwildfire对UUT型三轴转台进行了三维实体造型设计；

The method changes signal into a series of pulse , whose frequency is proportional to signal 's amplitude , through VFC circuit on the end of UUT .

这种方法在设备端通过电压频率转换将信号转换成频率与信号幅值成比例的适合远距离传输的脉冲波，在测试室通过频率电压转换电路还原该信号。

The analog prompting signal is provided to UUT by its special waveform generator . The switch during different signals is completed with matrix switches and adapters .

专用信号发生器为UUT提供模拟激励信号，矩阵开关和适配器完成不同信号间切换。

The switch subsystem is central to the entire ATS , connecting the many test points to the measuring instruments , routing signals and connecting power to the UUT .

开关系统是整个自动测试系统的核心，开关系统在自动测试系统中实现测点与测试仪器间的连接，测试信号的路由切换以及被测单元与电源系统的连接。

The linkage relationship of switch resource includes the mutual electronic linkage of input and output lines among system switch relationship , and the linkage relationship for testing the resource and material UUT .

开关系统的连接关系是指构成系统的开关模块间的输入输出线的相互电气连接，及以测试资源和具体UUT的连接关系。

The relation model of failure modes and characters of the unit under test ( UUT ) is created . The general adequacy criterion for the sample set is proposed according to the relation model .

建立了故障模式与被测单元（UUT）特性之间的关系模型，根据关系模型建立了样本集的通用充分性准则。

There is the Advantage of readability , maintainability , transportability for UUT oriented test program . The technical idea is analyzed in the paper . A group C Interface function is presented .

面向UUT的测试程序具有好的可读性、可维护性和可移植性，文中对其思想进行了分析，提出了一组测试程序的C语言接口函数，重点阐述了构建开发环境的方法。

The host computer acquires the capacity data of battery and AC status from UUT through the network , and then compared it with the control limits thus to control the output status of the power box .

主控机通过网络读取测试机的AC状态和电池电量与控制限值比较，进而控制电源箱的输出状态达到充放电测试的目的。

Comparing with the exist methods , the new method is more suitable for the exist state of the testability requirements and the integrative demonstration of multiple testability requirements , and the created sample set can coverage the important character of UUT .

与现有方法相比，新方法更适用于现有的指标要求情况和多参数综合试验的需求，而且建立的样本集可以覆盖UUT的重要特性。

As one new eddy current nondestructive testing ( NDT ) technology , multi-frequency eddy current testing ( MFECT ) has the merits of interference elimination in testing procedure and multi-parameter detection of unit under test ( UUT ) .

多频涡流检测作为一种涡流无损检测新技术，具有实现检测过程干扰抑制和被检对象多参数检测的优点。

The eddy current sensor with a rectangular excitation coil is designed which can convert eddy current field in the surface of UUT to a uniform field . Defect characteristic can be identified by detecting the disturbance field which arises from defects .

设计矩形激励线圈的涡流传感器，将被检对象表面的涡流场转变为匀强场，通过检测缺陷引起的扰动场，识别缺陷特征参数。