飞机液压系统油温地面测试模拟器设计与实现

Design and Implementation of Aircraft Hydraulic System Oil Temperature Ground Test Simulator

随着工业4.0的深入发展,传统手工测量已经成为现代航空制造业发展的阻碍。将测试过程信息化、数字化,加速地面测试过程中的信息传递和信息统计已经成为航空制造业的迫切需求。介绍了飞机液压系统油温地面测试模拟器设计与实现。系统软件平台基于Think PHP框架进行开发,结合基于角色的访问控制(RBAC)模型的用户管理技术、对象关系映射(ORM)技术、ThinkAjax引擎等技术支持,建立了标准的飞机液压系统测试流程。该流程包括测试需求、测试设计、测试用例、测试执行、测试统计五个步骤。系统硬件支撑层设计的油温模拟器通过定值电阻编码的方式进行油温阻值的模拟,灵活性强、误差小,符合航空测试模拟的需求。试验结果表明,模拟器对于油温的模拟高效、准确。软件平台测试流程扩展性强、灵活度高,对现有的飞机液压系统测试效率有很大的提升。

With the in-depth development of Industry 4.0,traditional manual measurement has become an obstacle to the development of modern aviation manufacturing industry.The informatization and digitization of the testing process and the acceleration of information transmission and information statistics in the process of ground testing have become an urgent demand of aviation manufacturing industry.The design and implementation of ground test simulator for aircraft hydraulic system oil temperature is introduced.The system software platform is developed based on Think PHP framework.Combined with user management technology of role-based access control(RBAC)model,object relational mapping(ORM)technology,ThinkAjax engine and other technical support,a standard aircraft hydraulic system test process is established.The process includes five steps such as test requirements,test design,test cases,test execution and test statistics.The oil temperature simulator designed by the hardware support layer of the system can simulate the oil temperature resistance value by means of constant resistance coding,which has strong flexibility and small error,and meets the requirements of aviation test simulation.From the experimental results,the simulation of oil temperature is efficient and accurate.the software platform test process has strong scalability and high flexibility,and the test efficiency of the existing aircraft hydraulic system has been greatly improved.