{
  "id": 241973,
  "title": "the 10th field `odo` of IMU data ",
  "url": "/competitions/ieeespawc21localization/discussion/241973",
  "author_name": "Jianyuan Jet Yu",
  "post_date": "2021-05-26T21:23:12.509000",
  "votes": 0,
  "comment_count": 6,
  "views": 0,
  "content": "<p>greeting,</p>\n<p>may I know a bit about what is the meaning of the 10th field <code>odo</code> of IMU data? Does it come from IMU sensor? I guess it is not the coordinate position.</p>\n<p>Best</p>\n<p>Jet</p>",
  "messages": [
    {
      "id": 1359052,
      "postDate": "2021-06-21T03:47:48.743Z",
      "content": "<p><a href=\"https://www.kaggle.com/maximilianarnold\" target=\"_blank\">@maximilianarnold</a> Are the definition exactly match <strong>[mag-X, mag-Y, mag-Z, acc-X, acc-Y, acc-Z, gyro-X, gyro-Y, gyro-Z, odo]</strong>. As I plot out them, and <a href=\"https://drive.google.com/file/d/1nAWc_XBF0NgRsp3Ofi8iIghSIox-xizL/view?usp=sharing\" target=\"_blank\">figure</a> it look like 4th acc-X is overwriten by magnet field value … or maybe I get it wrong.  Meanwhile, I suspect the 7th field should be acc-Z since it has a 9.8 constant offset, looks pretty much the constant gravity value.</p>",
      "rawMarkdown": "@maximilianarnold Are the definition exactly match **[mag-X, mag-Y, mag-Z, acc-X, acc-Y, acc-Z, gyro-X, gyro-Y, gyro-Z, odo]**. As I plot out them, and [figure](https://drive.google.com/file/d/1nAWc_XBF0NgRsp3Ofi8iIghSIox-xizL/view?usp=sharing) it look like 4th acc-X is overwriten by magnet field value ... or maybe I get it wrong.  Meanwhile, I suspect the 7th field should be acc-Z since it has a 9.8 constant offset, looks pretty much the constant gravity value.\n",
      "votes": 1,
      "replies": [
        {
          "id": 1361830,
          "postDate": "2021-06-23T04:45:52.327Z",
          "content": "<p>Get IMU</p>\n<p>Mag_IMU = Mag_IMU[0,:,:]<br>\nRSSI_IMU = RSSI_IMU.T<br>\nAcel_IMU = Acel_IMU[0,:,:]<br>\nGyro_IMU = Gyro_IMU[0,:,:]<br>\nPos_IMU = Pos_IMU[0,:,:]<br>\nTime_IMU = Time_IMU[0,:]</p>\n<p>Data = np.hstack((RSSI_IMU,Mag_IMU,Acel_IMU,Gyro_IMU))</p>",
          "rawMarkdown": "Get IMU\n\nMag_IMU = Mag_IMU[0,:,:]\nRSSI_IMU = RSSI_IMU.T\nAcel_IMU = Acel_IMU[0,:,:]\nGyro_IMU = Gyro_IMU[0,:,:]\nPos_IMU = Pos_IMU[0,:,:]\nTime_IMU = Time_IMU[0,:]\n\nData = np.hstack((RSSI_IMU,Mag_IMU,Acel_IMU,Gyro_IMU))",
          "votes": 2
        }
      ]
    },
    {
      "id": 1324601,
      "postDate": "2021-05-27T05:03:46.170Z",
      "content": "<p>Good Day,</p>\n<p>Yes you can take a look at the datasheet of the Bosch BN0O5</p>\n<p><a href=\"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf\" target=\"_blank\">https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf</a></p>\n<p>There is a so called Quaternion system.</p>\n<p>BR<br>\nMax </p>",
      "rawMarkdown": "Good Day,\n\nYes you can take a look at the datasheet of the Bosch BN0O5\n\nhttps://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf\n\nThere is a so called Quaternion system.\n\nBR\nMax \n",
      "votes": 1
    },
    {
      "id": 1365161,
      "postDate": "2021-06-25T13:33:59.433Z",
      "content": "<p><a href=\"https://www.kaggle.com/maximilianarnold\" target=\"_blank\">@maximilianarnold</a> Thanks again, what is <code>RSSI_IMU</code> stand for? I don't see it in the sensor datasheet  <a href=\"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf\" target=\"_blank\">https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf</a></p>",
      "rawMarkdown": "@maximilianarnold Thanks again, what is `RSSI_IMU` stand for? I don't see it in the sensor datasheet  [https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf](https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf)"
    },
    {
      "id": 1324391,
      "postDate": "2021-05-26T21:23:12.510Z",
      "content": "<p>greeting,</p>\n<p>may I know a bit about what is the meaning of the 10th field <code>odo</code> of IMU data? Does it come from IMU sensor? I guess it is not the coordinate position.</p>\n<p>Best</p>\n<p>Jet</p>",
      "rawMarkdown": "greeting,\n\nmay I know a bit about what is the meaning of the 10th field `odo` of IMU data? Does it come from IMU sensor? I guess it is not the coordinate position.\n\nBest\n\nJet"
    },
    {
      "id": 2501999,
      "postDate": "2023-10-27T20:53:54.073Z",
      "rawMarkdown": "",
      "isDeleted": true
    },
    {
      "id": 1361827,
      "postDate": "2021-06-23T04:43:59.973Z",
      "rawMarkdown": "",
      "isDeleted": true
    }
  ],
  "comments": [
    {
      "id": 1359052,
      "author_name": "Jianyuan Jet Yu",
      "author_url": "",
      "post_date": "2021-06-21T03:47:48.743000",
      "content": "<p><a href=\"https://www.kaggle.com/maximilianarnold\" target=\"_blank\">@maximilianarnold</a> Are the definition exactly match <strong>[mag-X, mag-Y, mag-Z, acc-X, acc-Y, acc-Z, gyro-X, gyro-Y, gyro-Z, odo]</strong>. As I plot out them, and <a href=\"https://drive.google.com/file/d/1nAWc_XBF0NgRsp3Ofi8iIghSIox-xizL/view?usp=sharing\" target=\"_blank\">figure</a> it look like 4th acc-X is overwriten by magnet field value … or maybe I get it wrong.  Meanwhile, I suspect the 7th field should be acc-Z since it has a 9.8 constant offset, looks pretty much the constant gravity value.</p>",
      "votes": 1,
      "replies": [
        {
          "id": 1361830,
          "author_name": "Maximilian",
          "author_url": "",
          "post_date": "2021-06-23T04:45:52.327000",
          "content": "<p>Get IMU</p>\n<p>Mag_IMU = Mag_IMU[0,:,:]<br>\nRSSI_IMU = RSSI_IMU.T<br>\nAcel_IMU = Acel_IMU[0,:,:]<br>\nGyro_IMU = Gyro_IMU[0,:,:]<br>\nPos_IMU = Pos_IMU[0,:,:]<br>\nTime_IMU = Time_IMU[0,:]</p>\n<p>Data = np.hstack((RSSI_IMU,Mag_IMU,Acel_IMU,Gyro_IMU))</p>",
          "votes": 2,
          "replies": []
        }
      ]
    },
    {
      "id": 1324601,
      "author_name": "Maximilian",
      "author_url": "",
      "post_date": "2021-05-27T05:03:46.170000",
      "content": "<p>Good Day,</p>\n<p>Yes you can take a look at the datasheet of the Bosch BN0O5</p>\n<p><a href=\"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf\" target=\"_blank\">https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf</a></p>\n<p>There is a so called Quaternion system.</p>\n<p>BR<br>\nMax </p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 1365161,
      "author_name": "Jianyuan Jet Yu",
      "author_url": "",
      "post_date": "2021-06-25T13:33:59.433000",
      "content": "<p><a href=\"https://www.kaggle.com/maximilianarnold\" target=\"_blank\">@maximilianarnold</a> Thanks again, what is <code>RSSI_IMU</code> stand for? I don't see it in the sensor datasheet  <a href=\"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf\" target=\"_blank\">https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf</a></p>",
      "votes": 0,
      "replies": []
    },
    {
      "id": 2501999,
      "author_name": "",
      "author_url": "",
      "post_date": "2023-10-27T20:53:54.073000",
      "content": "",
      "votes": 0,
      "replies": []
    },
    {
      "id": 1361827,
      "author_name": "",
      "author_url": "",
      "post_date": "2021-06-23T04:43:59.973000",
      "content": "",
      "votes": 0,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1359052": "@maximilianarnold Are the definition exactly match **[mag-X, mag-Y, mag-Z, acc-X, acc-Y, acc-Z, gyro-X, gyro-Y, gyro-Z, odo]**. As I plot out them, and [figure](https://drive.google.com/file/d/1nAWc_XBF0NgRsp3Ofi8iIghSIox-xizL/view?usp=sharing) it look like 4th acc-X is overwriten by magnet field value ... or maybe I get it wrong.  Meanwhile, I suspect the 7th field should be acc-Z since it has a 9.8 constant offset, looks pretty much the constant gravity value.\n",
    "1324601": "Good Day,\n\nYes you can take a look at the datasheet of the Bosch BN0O5\n\nhttps://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf\n\nThere is a so called Quaternion system.\n\nBR\nMax \n",
    "1365161": "@maximilianarnold Thanks again, what is `RSSI_IMU` stand for? I don't see it in the sensor datasheet  [https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf](https://cdn-learn.adafruit.com/downloads/pdf/adafruit-bno055-absolute-orientation-sensor.pdf)",
    "1324391": "greeting,\n\nmay I know a bit about what is the meaning of the 10th field `odo` of IMU data? Does it come from IMU sensor? I guess it is not the coordinate position.\n\nBest\n\nJet",
    "2501999": "",
    "1361827": ""
  }
}