ARM+FPGA电路板故障检测仪硬件设计
关键字 故障检测 FPGA ARM 硬件设计 毕业设计说明书（论文）外文摘要
Title Design of hardware circuit board fault detector
Abstract
Because of the mechanical equipment of large-scale, high-speed, high-strength, automation, and developing high-performance, growing complexity of devices,The event of failure, the detection intensity and degree of difficulty is enormous, and the damage done will be very serious.This design of the circuit board is able to detect failure of a device failure circuit board diagnostics and test the application, it is of great value.First, According to the tester function requirement, overall design diagram is given.The function of each part and requirement are introduced.Then, according to the functional requirements of signal generation unit, And the hardware based on ARM FPGA architecture is built,he hardware schematics of Signals generated unit t is designed, The last multi-layer circuit board design is completed.
Key words Fault detection FPGA ARM Hardware design
目 次
1 绪论 - 1 -
1.1 研究背景 - 1 -
1.2 系统要求 - 2 -
1.3 开发软件简介 - 2 -
1.4 本课题主要任务和本文主要结构 - 3 -
2 硬件组成 - 4 -
2.1 总体框图 - 4 -
2.2 信号产生单元 - 4 -
2.3 数据采集单元 - 9 -
2.4 显控单元 - 10 -
3 信号产生单元硬件设计 - 11 -
3.1 总体框图 - 11 -
3.2 ARM系统电路设计 - 11 -
3.3 FPGA系统电路设计 - 20 -
3.4 PCB设计 - 23 -
结 论 - 26 -
致 谢 - 27 -
参 考 文 献 - 29 -
1 绪论
1.1 研究背景
故障诊断理论和方法分类虽然很多，但可归纳为2类：①基于非模型的故障诊断理论和方法，如信号空间特征、模态和信息处理方法的诊断理论与方法；基于知识推理、人工智能、专家系统的诊断方法；基于模式识别和神经网络的诊断方法。②基于系统数学模型和现代控制理论、方法的故障诊断理论和方法，也包括相互间的结合和集成。
现代故障诊断包括3方面的主要内容：①故障检测；②故障分离(诊断)；③故障修复。统称为故障的检测、分离和修复(FDIA)。故障诊断系统的性能：①及时性(速度)；②敏感性和鲁棒性；③误报率、漏报率、错报率和确诊率；④全面性(针对所有类型故障)。