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专利名称: 用于自动导航车地磁导航之控制电路
其他题名: Control electric circuit for geomagnetic navigation of automatic navigational car
作者: 王宏玉
所属部门: 中国科学院沈阳自动化研究所
专利权人: 中国科学院沈阳自动化研究所
专利代理: 中国科学院沈阳专利事务所
专利国别: 中国
专利类型: 发明授权
专利状态: 无效
摘要: 本电路为一种自动导航车控制电路,其电路结构由差分放大电路、选频滤波电路、绝对值电路和求差与增益调节电路及时钟电路五部分组成,其联接是导航车上的两个线圈与差分放大电路相接,下面对应电路依次相接,其调节电路输出与A/D转换器相联,由于导航车导磁线圈与磁场偏移,产生的偏差信号通过求差电路输出由A/D转换器输入到计算机控制伺服系统,其中选频采用开关电容滤波器NF10。优点:体积小,重量轻,精度高,稳定性好。
英文摘要: The present invention relates to a control circuit for automatic navigation vehicle. Its circuit structure consists of differential amplifier, frequency-selecting filtering circuit, absolute value circuit and differencing and gain control circuits, and their connection is as follows: two coils of the navigation vehicle are connected with the differential amplifier, and then the following circuits are connected in turn, and its control circuit output is connected with an A/D converter. Because the magnetic conduct coils of the navigation vehicle are offset from magnetic field, the produced deviation signal is passed through the differencing circuit, and then is passed through the A/D converter, and is delivered into a computer-controlled servo system. Its frequency-selecting filter uses switching capacitor filter MF10. It has the advantages of small volume, light weight, high accuracy and good stability.
是否PCT专利:
申请日期: 1994-02-05
公开日期: 1995-10-18
授权日期: 2000-11-29
专利申请号: CN94110058.8
公布/公告号: CN1059033C
语种: 中文
产权排序: 1
内容类型: 专利
URI标识: http://ir.sia.cn/handle/173321/14216
Appears in Collections:沈阳自动化所知识产出(2000年前)_专利

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