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imu_gps_localization's Issues

GeographicLib报错

third_party/GeographicLib/include/LocalCartesian.hpp:79: undefined reference to `GeographicLib::LocalCartesian::Reset(double, double, double)'.请问下GeographicLib报错这个应该如何解决

UpdateStateByGpsPosition 中state->cov的计算公式

楼主好,感谢分享。有个疑问请教,在UpdateStateByGpsPosition函数中,state->cov的计算是不是应该用更新部分的公式P=(I-KH)P,而不是预测部分的公式 P=Fx P FxT + Fi Q FiT ?

姿态不准问题(源代码没有问题,是我们添加的一处逻辑导致的)

你好,请教个问题啊。我们正在使用您的这个开源代码进行工程实现(使用这套代码进行GPS建图和定位)。但在使用这套代码进行建图的过程中,我们发现机器人的姿态(朝向)一直在转动,甚至在机器人已经停下来,不移动的情况下。机器人的姿态仍然在旋转。
企业微信截图_16581148661577

我们查了下原因:发现ESKF计算的state->gyro_bias值过大,导致即使是机器人停止时,角度仍然一直在旋转。
企业微信截图_16581149861081
企业微信截图_16581150657667
企业微信截图_16581151392965

而且我们发现把最后一步,协方差的更新注释掉后,效果更好。
企业微信截图_1658115463840

请问下:对于这个问题,能给我们提供下您的思路和想法吗?

注:IMU和GPS的数据来源,我们使用的是ROS gazebo仿真提供的数据

可否加個wechat向您請教與交流

近期想將這個框架改成圖優化的方式, 不過只利用gnss的絕對位置約束 對於長時間的積分旋轉有大的飄移, 效果也不佳, 不曉得可否有機會與您交流學習

保存轨迹的功能

请问是否有保存轨迹的功能,如果有保存的轨迹可以直接用evo去绘制么?

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