Based on coordinates differential modes, using Portable GPS Receiver by near\|real time process, the positioning precision is about ±5 m. It can be used in forest to do many positioning. Position test to be done ...Based on coordinates differential modes, using Portable GPS Receiver by near\|real time process, the positioning precision is about ±5 m. It can be used in forest to do many positioning. Position test to be done under crown measuring more than 4 satellites by synchronous measure, positioning precision is less than ±5 m. When measure time is more than 20 minutes. In addition, why differential\|positioning precision is better has been analyzed.展开更多
双提梁机组协调控制系统利用对称布置的双频载波相位RTK-GPS(Real-Time Kinematic difference Global Position System)接收机完成对提梁机位置、航向位姿信息的测量,通过卡尔曼滤波与里程计融合,消除坐标定位信息的波动,提高位姿测定...双提梁机组协调控制系统利用对称布置的双频载波相位RTK-GPS(Real-Time Kinematic difference Global Position System)接收机完成对提梁机位置、航向位姿信息的测量,通过卡尔曼滤波与里程计融合,消除坐标定位信息的波动,提高位姿测定的精度;单机采用基于CAN(Controller Area Network)总线的网络控制系统,机组间数据传输采用无线网络,构成混合网络控制系统;采用基于双闭环的同步控制策略实现对两提梁机的同步协调控制.实际应用结果表明,两提梁机间相对位置偏差不超过0.1 m,相对航向角度偏差不超过0.1°.展开更多
文摘Based on coordinates differential modes, using Portable GPS Receiver by near\|real time process, the positioning precision is about ±5 m. It can be used in forest to do many positioning. Position test to be done under crown measuring more than 4 satellites by synchronous measure, positioning precision is less than ±5 m. When measure time is more than 20 minutes. In addition, why differential\|positioning precision is better has been analyzed.
文摘双提梁机组协调控制系统利用对称布置的双频载波相位RTK-GPS(Real-Time Kinematic difference Global Position System)接收机完成对提梁机位置、航向位姿信息的测量,通过卡尔曼滤波与里程计融合,消除坐标定位信息的波动,提高位姿测定的精度;单机采用基于CAN(Controller Area Network)总线的网络控制系统,机组间数据传输采用无线网络,构成混合网络控制系统;采用基于双闭环的同步控制策略实现对两提梁机的同步协调控制.实际应用结果表明,两提梁机间相对位置偏差不超过0.1 m,相对航向角度偏差不超过0.1°.
