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通过对无线定位系统的综述,分别对室内无线定位系统的硬件和软件进行设计。选择Nanotron公司开发的NanoPAN5375无线传输模块作为无线开发芯片,该芯片能够用以构建RTLS和具有位置感知功能的无线传感器网络功能。软硬件的底层软件开发是在STM32平台上进行的,其软件开发环境是在Keil u Vision4中经行。其中主要部分是对无线部分通信节点间及STM32与STM32F103RBT6之间数据传输进行开发本。电源设计采用LT1963A稳压芯片。上位机软件是在windows平台下进行设计的,其开发软件为Microsoft Visual C++6.0。本文通过测试结果表明,在较复杂的环境下,室内定位误差维持在1m以内的,定位整体位差在0.3m左右波动,基本达到实际应用要求的。
Through the review of wireless location system, we design the hardware and software of indoor wireless location system respectively. Select Nanotron’s NanoPAN5375 wireless transmission module as a wireless development chip, the chip can be used to build RTLS and location-aware wireless sensor network capabilities. The software and hardware underlying software development is carried out on the STM32 platform, the software development environment is Keil u Vision4 in the line. The main part is the development of data transmission between wireless communication nodes and between STM32 and STM32F103RBT6. Power supply design using LT1963A chip. PC software is designed under the windows platform, and its development software for Microsoft Visual C + +6.0. The test results show that, in the more complex environment, the indoor positioning error is maintained within 1m, the overall position of the positioning fluctuations in about 0.3m, basically meet the practical application requirements.