| 基于光纤陀螺的组合导航系统中双DSP通信研究 |
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| 引用本文： | 李绪友,张复宜.基于光纤陀螺的组合导航系统中双DSP通信研究[J].现代科学仪器,2011(6):56-59. |
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| 作者姓名： | 李绪友 张复宜 |
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| 作者单位： | 哈尔滨工程大学自动化学院,黑龙江哈尔滨,150001 |
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| 基金项目： | 中俄科技合作专项(2010DFR80140) |
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| 摘 要： | 以双DSP为核心的SINS/GPS组合导航系统中,双DSP的通信设计是非常重要且不可回避的问题。针对基于光纤陀螺的组合导航系统中既要快速处理大量实时数据又要同GPS进行组合反馈并修正导航信息的情况,文中分析了两种双TMS320C6747芯片通信方案的设计思路和它们的优缺点,并根据系统的特点和具体情况,最终选择了利用McASP串口的通信方案,实现了双DSP的无缝连接。该方案硬件电路简单易于实现,占用DSP资源少,完全适用于基于光纤陀螺组合导航系统这样数据交换密集但数据量小的场合。
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| 关 键 词： | 组合导航 光纤陀螺 双DSP McASP |
Research on Dual-DSP Communications in Integrated Navigation System Based on Fiber Optic Gyroscope |
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| Li Xuyou,Zhang Fuyi.Research on Dual-DSP Communications in Integrated Navigation System Based on Fiber Optic Gyroscope[J].Modern Scientific Instruments,2011(6):56-59. |
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| Authors: | Li Xuyou Zhang Fuyi |
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| Affiliation: | Li Xuyou,Zhang Fuyi(College of Automation,Harbin Engineering University,Harbin 150001,China) |
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| Abstract: | In the SINS / GPS integrated navigation system with dual-DSP,the communication design of dual-DSP is a very important and unavoidable problem.The integrated navigation system based on fiber optic gyro is necessary to process a large number of real-time data quickly,to combine with GPS,and to feedback and correct the navigation information.The paper analyzes the communication mode,design ideas and advantages of two dual-TMS320C6747 chips.According to the characteristics and circumstances of the system,the Mc... |
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| Keywords: | Integrated Navigation System FOG Dual-DSP McASP |
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