(window.webpackJsonp=window.webpackJsonp||[]).push([[438],{758:function(t,s,a){"use strict";a.r(s);var r=a(10),e=Object(r.a)({},(function(){var t=this,s=t._self._c;return s("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[s("h1",{attrs:{id:"载体与传感器坐标系"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#载体与传感器坐标系"}},[t._v("#")]),t._v(" 载体与传感器坐标系")]),t._v(" "),s("h2",{attrs:{id:"载体坐标系"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#载体坐标系"}},[t._v("#")]),t._v(" 载体坐标系")]),t._v(" "),s("p",[t._v("根据应用的不同，载体（车辆 body / vehicle）坐标系定义如下："),s("strong",[t._v("X")]),t._v(" 轴指向前进方向，"),s("strong",[t._v("Z")]),t._v(" 轴指向下，"),s("strong",[t._v("Y")]),t._v(" 轴按右手定则指向载体右侧。")]),t._v(" "),s("fdi-img",{attrs:{width:"52.5%",alt:"MEMS",src:"/knowledge-base/04/040201.png"}}),t._v(" "),s("h2",{attrs:{id:"传感器坐标系"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#传感器坐标系"}},[t._v("#")]),t._v(" 传感器坐标系")]),t._v(" "),s("p",[t._v("传感器（Sensor）坐标系固连于 IMU。")]),t._v(" "),s("p",[t._v("下图为默认配置下的本体坐标系示意。在大多数情况下，传感器坐标系须与载体坐标系对齐。若无法通过机械方式实现对齐，则可通过软件对载体中的传感器安装偏差进行补偿。更多说明请参见"),s("a",{attrs:{href:"https://doc.fdisystems.cn/knowledge-base/03-inertial-sensors-installation/02-accounting-for-misalignment.html",target:"_blank",rel:"noopener noreferrer"}},[t._v("软件对齐"),s("OutboundLink")],1),t._v("。")]),t._v(" "),s("fdi-img",{attrs:{width:"52.5%",alt:"MEMS",src:"/knowledge-base/04/040102.png"}}),t._v(" "),s("h3",{attrs:{id:"测量原点"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#测量原点"}},[t._v("#")]),t._v(" 测量原点")]),t._v(" "),s("p",[t._v("在确定传感器各轴方向之后，还需明确该坐标系的原点位置。该原点为三个加速度计敏感轴的交点，对应速度与位置测量的中心。")]),t._v(" "),s("p",[t._v("测量杠杆臂时必须计入该原点。")]),t._v(" "),s("p",[t._v("FDISYSTEMS 传感器产品机械图纸中的"),s("strong",[t._v("圆形黑白")]),t._v("符号用于标识并定位该测量原点。")])],1)}),[],!1,null,null,null);s.default=e.exports}}]);