【作者】 郑强；

【导师】 张晓冬；

【作者基本信息】 北京交通大学 ， 电气工程（专业学位）， 2021， 硕士

【摘要】 现如今把随着科学技术的不断进步,武器装备的技术指标和复杂程度变得非常的高,与其配套的测量装置的技术指标也有着大幅度的提高。总线技术作为计算机和测量装置的桥梁,其性能对数据的传输速率和处理有着深刻的影响,因此对总线技术性能的提升是至关重要的随着CPCI总线技术的提出对过往的总线技术的不足之处进行了优化,其优秀的性能使其成为目前总线技术中应用最为广泛。和其他总线标准相比较来说,CPCI总线在PCI总线的基础上,具有扩展性强以及稳定的机械结构等特定的优势,这些优点使得CPCI总线在许多工业领域有着广泛的应用,也成为了工业领域的新一代标准。本文首先提出了基于CPCI总线多功能模拟信号板卡的设计方案。在深入了解CPCI总线之后,比对了IP核与CPCI专用的接口芯片的设计方案后,选用了CPCI9054来完成多功能模拟信号板卡与上位机之间的通信。其次研制了基于CPCI总线的多功能模拟信号板卡的硬件电路,其中包括了具有放大功能的电压采集电路、电压输出电路、电平转换电路、总线接口电路以及外围电路的设计。然后设计了基于多功能模拟信号硬件电路的FPGA控制逻辑,其中包括了数据传输逻辑、电压采集控制逻辑、电压输出控制逻辑,以及定义了与上位机之间的传输协议。最后利用Driver Wizard软件测试了多功能模拟信号板卡的技术指标,并且对FPGA的设计逻辑的正确性进行了验证。测试结果表明,本文所设计的多功能模拟信号模块能够满足系统的需求。更多还原

【Abstract】 Nowadays,with the continuous advancement of science and technology,the technical indicators and complexity of weapons and equipment have become very high,and the technical indicators of the matching measuring devices have also been greatly improved.Bus technology is a bridge between computers and measurement devices,and its performance has a profound impact on the transmission rate and processing of data.Therefore,it is crucial to improve the performance of bus technology.With the introduction of CPCI bus technology,the shortcomings of the past bus technology The place has been optimized,and its excellent performance makes it the most widely used in the current bus technology.Compared with other bus standards,the CPCI bus has specific advantages such as strong scalability and stable mechanical structure on the basis of the PCI bus.These advantages make the CPCI bus have a wide range of applications in many industrial fields,and it has also become an industrial A new generation of standards in the field.Firstly,a designing scheme of multifunctional analog signal board based on the CPCI bus was proposed in this thesis.After a thorough understanding of the CPCI bus,after comparing the design scheme of the IP core and the CPCI dedicated interface chip,the CPCI9054 was selected to complete the communication between the multifunctional analog signal board and the host computer.Secondly,the hardware circuit of multifunctional analog signal board based on CPCI bus is developed,including the design of voltage acquisition circuit with amplification function,voltage output circuit,level conversion circuit,bus interface circuit and peripheral circuit.Then design FPGA control logic based on multifunctional analog signal hardware circuit,which includes data transmission logic,voltage acquisition control logic,voltage output control logic,and defines the transmission protocol with the host computer.Finally,the technical indicators of the multi-function analog signal board were tested by the Driver Wizard software,and the correctness of the FPGA design logic was verified.The test results show that the multifunctional analog signal module designed in this article can meet the needs of the system.更多还原