应用科技
應用科技
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YING YONG KE JI
2014年
3期
23-26
,共4页
高延滨%刘辉煜%何昆鹏%张兴智
高延濱%劉輝煜%何昆鵬%張興智
고연빈%류휘욱%하곤붕%장흥지
导航微机系统%信号处理器%双CPU%双口RAM%捷联解算
導航微機繫統%信號處理器%雙CPU%雙口RAM%捷聯解算
도항미궤계통%신호처리기%쌍CPU%쌍구RAM%첩련해산
navigation computer%DSP%double CPU%dual-port RAM%strap-down algorithm
为了满足惯性系统的小型化发展,设计了一种体积小、功耗低、价位低的高性能导航微机系统。此导航微机系统由TI公司数字信号处理器芯片TMS320C6726和Altera公司的FPGA芯片EP3C10E144A7两种CPU组成,DSP主要负责导航数据处理和算法运算,FPGA主要负责惯性测量单元( IMU)的数据采集和接口控制。该微机系统充分利用了TMS320C6726的运算速度快、浮点数据处理能力强和FPGA的SOPC技术的特点,通过VHDL语言编程实现双口RAM接口完成双CPU的快速数据通信。两种CPU能分别发挥自身优势,协调地工作,提高了导航计算机的运行效率。
為瞭滿足慣性繫統的小型化髮展,設計瞭一種體積小、功耗低、價位低的高性能導航微機繫統。此導航微機繫統由TI公司數字信號處理器芯片TMS320C6726和Altera公司的FPGA芯片EP3C10E144A7兩種CPU組成,DSP主要負責導航數據處理和算法運算,FPGA主要負責慣性測量單元( IMU)的數據採集和接口控製。該微機繫統充分利用瞭TMS320C6726的運算速度快、浮點數據處理能力彊和FPGA的SOPC技術的特點,通過VHDL語言編程實現雙口RAM接口完成雙CPU的快速數據通信。兩種CPU能分彆髮揮自身優勢,協調地工作,提高瞭導航計算機的運行效率。
위료만족관성계통적소형화발전,설계료일충체적소、공모저、개위저적고성능도항미궤계통。차도항미궤계통유TI공사수자신호처리기심편TMS320C6726화Altera공사적FPGA심편EP3C10E144A7량충CPU조성,DSP주요부책도항수거처리화산법운산,FPGA주요부책관성측량단원( IMU)적수거채집화접구공제。해미궤계통충분이용료TMS320C6726적운산속도쾌、부점수거처리능력강화FPGA적SOPC기술적특점,통과VHDL어언편정실현쌍구RAM접구완성쌍CPU적쾌속수거통신。량충CPU능분별발휘자신우세,협조지공작,제고료도항계산궤적운행효솔。
In order to meet the development of the inertial system , a new kind of navigation computer with the char-acteristics of small size , low power , low cost and high performance was presented in this paper .The navigation computer system is made up of digital signal processor ( DSP ) chip TMS320C6726 from TI company and FPGA chip EP3C10E144A7 from Altera company.DSP is mainly responsible for the navigation calculation and data pro-cessing, and FPGA is mainly responsible for inertial measurement unit (IMU) data acquisition and interface con-trol.The microcomputer system takes advantages of fast processing speed and strong float point data processing ca -pability of TMS320C6726 and SOPC technology of FPGA .The dual-CPU can quickly transmit data through double-port RAM which is achieved by VHDL language .The operating efficiency of the navigation computer is improved .