Questions tagged [noise]
Unwanted or modified signals detracting from some form of reception or perception.
5
questions with no upvoted or accepted answers
3
votes
0
answers
76
views
Converting IMU random walk, bias instability to stddev, bias stddev, etc
I am trying to create an accurate IMU model in Gazebo based off of a real IMU that I am using.
The Gyro specs are:
Bias instability: 3.5 degrees/hr
Angular random walk: 0.1 degrees/sqrt(hr)
The ...
- 33
1
vote
0
answers
56
views
Heading drift on Beaglebone Blue on small AUV due to power cables (I think)
At my work we use the BeagleBone Blue boards to control somewhat small AUVs.
The board is placed in underwater tubes along with batteries, ESCs for thrusters and all other electronics.
We use the in-...
- 111
0
votes
0
answers
31
views
Unwanted "noise" using the sensor plugin libgazebo_ros_ft_sensor.so
When trying to use the library libgazebo_ros_ft_sensor.so for a F/T-sensor plugin there is a strange repeating pattern of "noise" on the topic when the robot is just being gravity ...
- 1
0
votes
0
answers
10
views
Seeed studio Grove IMU 9DOF gyro reading denoising
Using this IMU (https://wiki.seeedstudio.com/Grove-IMU_9DOF-lcm20600+AK09918/), I am having an issue with the gyro readings. Seems like the reading comes with lots of noise. Could anyone help me to ...
- 1
0
votes
1
answer
185
views
Simulating sensor readings based on an existing Alan Variance Analysis
My goal is to model an accelerometer and a gyroscope based on real hardware. I understand deterministic errors like bias and scaling but the different types of non-deterministic errors are difficult.
...
- 141