摘要
针对水陆两栖车的关键零部件产品智能化测试系统,开发了系统的智能控制嵌入式软件,基于TC1766 32位单片机平台,设计了一套基于CAN总线(Controller Area Network)标准的私有通讯协议;基于CAN总线的显示屏数据读取与控制的交互软件,PCAL6416的I^(2)C总线(Inter-Integrated Circuit Bus)驱动读取16路开关量的软件,7路A/D采集标准电路读取模拟量软件,13路数字量输出驱动电磁阀的软件、VND5T100AJ-E的高边驱动软件以及基于TLE7242电流闭环控制驱动电磁阀等软件。在MCU(Micro Control Unit)的时间片内,结合显示屏的控制模式及各路电磁阀闭环控制模式算法,实现对整个测试系统的液压比例电磁阀及开关电磁阀的控制,最终完成了模拟水陆两栖车各种工况下,多部件协同工作的智能化测试输出,并匹配测试设备完成了功能性验证。在满足试验有效性的同时,为提高水陆两栖车各关键零部件的试验效率、降低验证成本投入、改善试验环境提供了技术基础。
Aiming at the intelligent test system of the key parts of the amphibious vehicle,the intelligent control embedded software of the system is developed.Based on the TC1766 32-bit MCU platform,a set of private communication protocol based on can bus(Controller Area Network) standard is designed;The Interactive software based on can bus for data reading and control of the display screen,the software based on I^(2)C bus(Inter-Integrated Circuit Bus) of PCAL6416 for driving and reading the 16-channel switching value,and the software based on can bus for reading and controlling the display screen.The Software for reading analog signals from 7-channel A/D standard circuit,the software for driving the solenoid valve with 13-channel digital signals,the software for driving the high side of VND5 T100 AJ-E and the software based on TLE7242 current closed-loop control,in the time slice of MCU(Micro Control Unit),combined with the control mode of display screen and the closed-loop control mode algorithm of each solenoid valve,the control of hydraulic proportional solenoid valve and on-off solenoid value of the whole test system is realized,and finally the intelligent test output of multi-component collaborative work under various working conditions of simulated amphibious vehicle is completed.And that functional verification is complete by matching the equipment.While meeting the test effectiveness,it provides a technical basis for improving the test efficiency of key components of amphibious vehicle,reducing the cost of verification and improving the test environment.
作者
胡友耀
孔令泉
王永
南景
雷军
郭超
HU Youyao;KONG Lingquan;WANG Yong;NAN Jing;LEI Jun;GUO Chao(State Key Laboratory of Power System of Tractor,Luoyang 471039,China;R&D Center of YTO Group,Luoyang 471039,China;Department of Electrical Engineering and Automation,Luoyang Institute of Technology,Luoyang 471039,China)
出处
《拖拉机与农用运输车》
2022年第2期50-53,共4页
Tractor & Farm Transporter