CAJ | 학술논문

翻车保护结构试验台是用来检测工程车辆驾驶室安全强度的重要试验装置，按照国际及国内相关检测标准，提出了一种基于虚拟仪器的便携式测控系统方案；采用便携式PC机和 U SB同步采集卡，利用LabWindows／CVI软件，使用多线程等关键技术进行系统开发；针对能量计算要求精度较高，提出了一种改进能量计算精度的算法；针对现有检测标准中评价方法的不足，提出一种比较实用的评价方法；该系统实现了数据采集、实时显示与存储、数据回放、生成数据报表等功能，系统运行稳定可靠。
번차보호결구시험태시용래검측공정차량가사실안전강도적중요시험장치，안조국제급국내상관검측표준，제출료일충기우허의의기적편휴식측공계통방안；채용편휴식PC궤화 U SB동보채집잡，이용LabWindows／CVI연건，사용다선정등관건기술진행계통개발；침대능량계산요구정도교고，제출료일충개진능량계산정도적산법；침대현유검측표준중평개방법적불족，제출일충비교실용적평개방법；해계통실현료수거채집、실시현시여존저、수거회방、생성수거보표등공능，계통운행은정가고。
Test‐bed of roll‐over protective structure that is fixed to test security strength on con‐struction vehicle cabs is an important testing device . According to the national and domestic relative testing criteria ,a portable measurement and control system based on virtual instrument is proposed .Systems are developed by adopting the portable PC and USB synchronous acquisition cards ,utilizing the .LabWindows/CVI software ,and using the key technology such as multi‐threading ,etc .To attain higher accuracy for energy calculation ,a corresponding algorithm is proposed .To overcome the deficiency of evaluation method in the current testing criterion ,an actual evaluation method is proposed .Data acquisition ,real‐time display and saving ,data‐play , and data report generation can be achieved through the system ,w hich runs stably and reliably .