{
  "id": 453297,
  "title": "IMU (Inertial Measurement Unit) Sensors and their respective Devices.",
  "url": "/competitions/smartphone-decimeter-2023/discussion/453297",
  "author_name": "Marília Prata",
  "post_date": "2023-11-05T19:23:52.367000",
  "votes": 18,
  "comment_count": 0,
  "views": 0,
  "content": "<h1>IMU</h1>\n<p>\"An inertial measurement unit (IMU) is an electronic device that measures and reports a body's specific force, angular rate, and sometimes the orientation of the body, using a combination of accelerometers, gyroscopes, and sometimes magnetometers. When the magnetometer is included, IMUs are referred to as IMMUs.\"</p>\n<p><a href=\"https://en.wikipedia.org/wiki/Inertial_measurement_unit\" target=\"_blank\">https://en.wikipedia.org/wiki/Inertial_measurement_unit</a></p>\n<p>By Naman4u13:</p>\n<p>\"The correct IMU sensor for Pixel 4, it's most probably BMI160. <a href=\"https://www.bosch-sensortec.com/products/motion-sensors/imus/bmi160/\" target=\"_blank\">https://www.bosch-sensortec.com/products/motion-sensors/imus/bmi160/</a></p>\n<p>IMU sensors for a few of the other devices are the following :</p>\n<p>XIAOMI MI8 and HUAWEI P9: ICM20690 - Invensense</p>\n<p>SAMSUNG S8: LSM6DSL - ST Microelectronics</p>\n<p>Once you know the sensor name, datasheets can be found on the internet.</p>\n<p><a href=\"https://www.kaggle.com/competitions/smartphone-decimeter-2022/discussion/325291\" target=\"_blank\">https://www.kaggle.com/competitions/smartphone-decimeter-2022/discussion/325291</a></p>\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F3012786%2F8c13843f7b05dda166baae435b05e773%2FCaptura%20de%20tela%202023-11-05%20161658.png?generation=1699211809738959&amp;alt=media\" alt=\"\"><br>\nttps://<a href=\"http://www.unibw.de/lrt9/lrt-9.2/forschung/databank\" target=\"_blank\">www.unibw.de/lrt9/lrt-9.2/forschung/databank</a></p>\n<p>How does IMU work in a smart antenna?</p>\n<p>Measure with a tilted pole</p>\n<p>\"The position of the pole tip of a tilted GNSS antenna can be calculated by compensating the error caused by the inclination. To do this, we need to know the length of the pole, the tilt angle and the orientation of the tilt relative to north. \"</p>\n<p>\"An IMU consisting of accelerometers and gyroscopes is built into the GNSS smart antenna. This measures the angle, and the person using the antenna pre-defines the length of the pole in the software, making it possible to accurately measure with a tilted pole.\"</p>\n<p><a href=\"https://geomax-positioning.com/products/gnss/zenith60/what-is-imu-surveying-construction\" target=\"_blank\">https://geomax-positioning.com/products/gnss/zenith60/what-is-imu-surveying-construction</a></p>",
  "messages": [
    {
      "id": 2513850,
      "postDate": "2023-11-05T19:23:52.367Z",
      "content": "<h1>IMU</h1>\n<p>\"An inertial measurement unit (IMU) is an electronic device that measures and reports a body's specific force, angular rate, and sometimes the orientation of the body, using a combination of accelerometers, gyroscopes, and sometimes magnetometers. When the magnetometer is included, IMUs are referred to as IMMUs.\"</p>\n<p><a href=\"https://en.wikipedia.org/wiki/Inertial_measurement_unit\" target=\"_blank\">https://en.wikipedia.org/wiki/Inertial_measurement_unit</a></p>\n<p>By Naman4u13:</p>\n<p>\"The correct IMU sensor for Pixel 4, it's most probably BMI160. <a href=\"https://www.bosch-sensortec.com/products/motion-sensors/imus/bmi160/\" target=\"_blank\">https://www.bosch-sensortec.com/products/motion-sensors/imus/bmi160/</a></p>\n<p>IMU sensors for a few of the other devices are the following :</p>\n<p>XIAOMI MI8 and HUAWEI P9: ICM20690 - Invensense</p>\n<p>SAMSUNG S8: LSM6DSL - ST Microelectronics</p>\n<p>Once you know the sensor name, datasheets can be found on the internet.</p>\n<p><a href=\"https://www.kaggle.com/competitions/smartphone-decimeter-2022/discussion/325291\" target=\"_blank\">https://www.kaggle.com/competitions/smartphone-decimeter-2022/discussion/325291</a></p>\n<p><img src=\"https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F3012786%2F8c13843f7b05dda166baae435b05e773%2FCaptura%20de%20tela%202023-11-05%20161658.png?generation=1699211809738959&amp;alt=media\" alt=\"\"><br>\nttps://<a href=\"http://www.unibw.de/lrt9/lrt-9.2/forschung/databank\" target=\"_blank\">www.unibw.de/lrt9/lrt-9.2/forschung/databank</a></p>\n<p>How does IMU work in a smart antenna?</p>\n<p>Measure with a tilted pole</p>\n<p>\"The position of the pole tip of a tilted GNSS antenna can be calculated by compensating the error caused by the inclination. To do this, we need to know the length of the pole, the tilt angle and the orientation of the tilt relative to north. \"</p>\n<p>\"An IMU consisting of accelerometers and gyroscopes is built into the GNSS smart antenna. This measures the angle, and the person using the antenna pre-defines the length of the pole in the software, making it possible to accurately measure with a tilted pole.\"</p>\n<p><a href=\"https://geomax-positioning.com/products/gnss/zenith60/what-is-imu-surveying-construction\" target=\"_blank\">https://geomax-positioning.com/products/gnss/zenith60/what-is-imu-surveying-construction</a></p>",
      "rawMarkdown": "#IMU\n\n\"An inertial measurement unit (IMU) is an electronic device that measures and reports a body's specific force, angular rate, and sometimes the orientation of the body, using a combination of accelerometers, gyroscopes, and sometimes magnetometers. When the magnetometer is included, IMUs are referred to as IMMUs.\"\n\nhttps://en.wikipedia.org/wiki/Inertial_measurement_unit\n\nBy Naman4u13:\n\n\"The correct IMU sensor for Pixel 4, it's most probably BMI160. https://www.bosch-sensortec.com/products/motion-sensors/imus/bmi160/\n\nIMU sensors for a few of the other devices are the following :\n\nXIAOMI MI8 and HUAWEI P9: ICM20690 - Invensense\n\nSAMSUNG S8: LSM6DSL - ST Microelectronics\n\nOnce you know the sensor name, datasheets can be found on the internet.\n\nhttps://www.kaggle.com/competitions/smartphone-decimeter-2022/discussion/325291\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F3012786%2F8c13843f7b05dda166baae435b05e773%2FCaptura%20de%20tela%202023-11-05%20161658.png?generation=1699211809738959&alt=media)\nttps://www.unibw.de/lrt9/lrt-9.2/forschung/databank\n\nHow does IMU work in a smart antenna?\n\nMeasure with a tilted pole\n\n\"The position of the pole tip of a tilted GNSS antenna can be calculated by compensating the error caused by the inclination. To do this, we need to know the length of the pole, the tilt angle and the orientation of the tilt relative to north. \"\n\n\"An IMU consisting of accelerometers and gyroscopes is built into the GNSS smart antenna. This measures the angle, and the person using the antenna pre-defines the length of the pole in the software, making it possible to accurately measure with a tilted pole.\"\n\nhttps://geomax-positioning.com/products/gnss/zenith60/what-is-imu-surveying-construction",
      "votes": 18
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "2513850": "#IMU\n\n\"An inertial measurement unit (IMU) is an electronic device that measures and reports a body's specific force, angular rate, and sometimes the orientation of the body, using a combination of accelerometers, gyroscopes, and sometimes magnetometers. When the magnetometer is included, IMUs are referred to as IMMUs.\"\n\nhttps://en.wikipedia.org/wiki/Inertial_measurement_unit\n\nBy Naman4u13:\n\n\"The correct IMU sensor for Pixel 4, it's most probably BMI160. https://www.bosch-sensortec.com/products/motion-sensors/imus/bmi160/\n\nIMU sensors for a few of the other devices are the following :\n\nXIAOMI MI8 and HUAWEI P9: ICM20690 - Invensense\n\nSAMSUNG S8: LSM6DSL - ST Microelectronics\n\nOnce you know the sensor name, datasheets can be found on the internet.\n\nhttps://www.kaggle.com/competitions/smartphone-decimeter-2022/discussion/325291\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F3012786%2F8c13843f7b05dda166baae435b05e773%2FCaptura%20de%20tela%202023-11-05%20161658.png?generation=1699211809738959&alt=media)\nttps://www.unibw.de/lrt9/lrt-9.2/forschung/databank\n\nHow does IMU work in a smart antenna?\n\nMeasure with a tilted pole\n\n\"The position of the pole tip of a tilted GNSS antenna can be calculated by compensating the error caused by the inclination. To do this, we need to know the length of the pole, the tilt angle and the orientation of the tilt relative to north. \"\n\n\"An IMU consisting of accelerometers and gyroscopes is built into the GNSS smart antenna. This measures the angle, and the person using the antenna pre-defines the length of the pole in the software, making it possible to accurately measure with a tilted pole.\"\n\nhttps://geomax-positioning.com/products/gnss/zenith60/what-is-imu-surveying-construction"
  }
}