{"action":"created","issue":{"url":"https://api.github.com/repos/PX4/Firmware/issues/3683","repository_url":"https://api.github.com/repos/PX4/Firmware","labels_url":"https://api.github.com/repos/PX4/Firmware/issues/3683/labels{/name}","comments_url":"https://api.github.com/repos/PX4/Firmware/issues/3683/comments","events_url":"https://api.github.com/repos/PX4/Firmware/issues/3683/events","html_url":"https://github.com/PX4/Firmware/issues/3683","id":131854577,"number":3683,"title":"LPE X-Y Position estimation based on Flow not in correct units","user":{"login":"ecmnet","id":7580193,"avatar_url":"https://avatars.githubusercontent.com/u/7580193?v=3","gravatar_id":"","url":"https://api.github.com/users/ecmnet","html_url":"https://github.com/ecmnet","followers_url":"https://api.github.com/users/ecmnet/followers","following_url":"https://api.github.com/users/ecmnet/following{/other_user}","gists_url":"https://api.github.com/users/ecmnet/gists{/gist_id}","starred_url":"https://api.github.com/users/ecmnet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ecmnet/subscriptions","organizations_url":"https://api.github.com/users/ecmnet/orgs","repos_url":"https://api.github.com/users/ecmnet/repos","events_url":"https://api.github.com/users/ecmnet/events{/privacy}","received_events_url":"https://api.github.com/users/ecmnet/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":29,"created_at":"2016-02-06T13:06:08Z","updated_at":"2016-02-08T09:37:43Z","closed_at":null,"body":"Although position hold is working basically, it seems as if the absolute units LPE estimates for local position in XY direction are not correct. Having moved the vehicle by about 1m, LPE shows a movement of about 0.2m. \r\n\r\nhttp://logs.uaventure.com/view/RBzbbkjLCfPtU69py7w5QQ#Local_X_PLOT\r\n\r\nTo achieve better position hold results, I need to tune PIDs, but I would like to do that based on correct estimations. "},"comment":{"url":"https://api.github.com/repos/PX4/Firmware/issues/comments/181274410","html_url":"https://github.com/PX4/Firmware/issues/3683#issuecomment-181274410","issue_url":"https://api.github.com/repos/PX4/Firmware/issues/3683","id":181274410,"user":{"login":"ecmnet","id":7580193,"avatar_url":"https://avatars.githubusercontent.com/u/7580193?v=3","gravatar_id":"","url":"https://api.github.com/users/ecmnet","html_url":"https://github.com/ecmnet","followers_url":"https://api.github.com/users/ecmnet/followers","following_url":"https://api.github.com/users/ecmnet/following{/other_user}","gists_url":"https://api.github.com/users/ecmnet/gists{/gist_id}","starred_url":"https://api.github.com/users/ecmnet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ecmnet/subscriptions","organizations_url":"https://api.github.com/users/ecmnet/orgs","repos_url":"https://api.github.com/users/ecmnet/repos","events_url":"https://api.github.com/users/ecmnet/events{/privacy}","received_events_url":"https://api.github.com/users/ecmnet/received_events","type":"User","site_admin":false},"created_at":"2016-02-08T09:37:43Z","updated_at":"2016-02-08T09:37:43Z","body":"QGC messages don't help here (saying flow invalid), because that seems not to be correct. (Otherwise the patch wouldn't work). "}}