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Maybe we could switch the alert trigger to be "GPS speed valid and
> x while vehicle off / vehicle speed < y". Teslas don't
provide the GPS speed, but for all modem GPS users that could be
more reliable.<br>
<br>
The GPS speed could peak on a jump, but that should be easily
detectable as an invalid speed. We also could use a smoothed value.<br>
<br>
@all: to provide data on this, you need to set the log level for
"location" to verbose:<br>
<br>
<font face="monospace">config set log level.location verbose</font><br>
<br>
"CheckTheft" log messages will then be created for any location
change for more than 10m while parking.<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div class="moz-cite-prefix">Am 27.02.21 um 22:53 schrieb Michael
Balzer:<br>
</div>
<blockquote type="cite"
cite="mid:e6cfecb9-5570-9020-a600-1c70a9e433d4@expeedo.de">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
Heiko,<br>
<br>
that log excerpt was sufficient to now be sure we cannot do
anything about these false alerts. You can only raise your alert
threshold.<br>
<br>
This happened: your GPS location suddenly went off by 200m, stayed
there for a minute, then jumped to a position off by 900m, stayed
at that point for another minute, then went back to the original
park position.<br>
<br>
<font face="monospace">…<br>
2021-02-21 15:55:09.668 CET I (288729388) ovms-server-v2: Send
MP-0
L48.987923,12.216290,0,338.2,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 15:55:30.658 CET I (288750378) ovms-server-v2: Send
MP-0
L48.987923,12.216290,0,338.4,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 15:56:12.668 CET I (288792388) ovms-server-v2: Send
MP-0
L48.987923,12.216291,0,338.5,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 15:56:33.668 CET I (288813388) ovms-server-v2: Send
MP-0
L48.987923,12.216291,0,338.6,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 15:56:54.668 CET I (288834378) ovms-server-v2: Send
MP-0
L48.987923,12.216292,0,338.6,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 15:57:15.658 CET I (288855378) ovms-server-v2: Send
MP-0
L48.987923,12.216292,0,338.7,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 15:57:57.678 CET I (288897388) ovms-server-v2: Send
MP-0
L48.987923,12.216292,0,338.7,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 15:58:52.688 CET I (288952398) ovms-server-v2: Send
MP-0 L<b>48.987923,12.216293</b>,0,338.8,0,0,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
<br>
2021-02-21 15:59:09.668 CET I (288969378) ovms-server-v2: Send
MP-0 L<b>48.986771,12.213362</b>,310.5,72,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,6,1.4,0.0<br>
<b>→ first jump to 200m distance</b><br>
2021-02-21 15:59:13.678 CET I (288973388) ovms-server-v2: Send
MP-0
L48.986782,12.213336,310.5,68,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,4,1.8,0.7<br>
2021-02-21 15:59:34.668 CET I (288994388) ovms-server-v2: Send
MP-0
L48.986874,12.213301,0,62.4,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,4,1.8,0.0<br>
2021-02-21 15:59:55.668 CET I (289015388) ovms-server-v2: Send
MP-0
L48.986874,12.213300,0,63.8,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,5,1.6,0.0<br>
<br>
2021-02-21 16:00:24.378 CET W (289044098) location: CheckTheft:
flatbed.moved @<b>48.994774,12.209670</b> gpsmode=AN satcount=5
hdop=1.9 gpsspeed=0.0<br>
<b>→ second jump to 906m distance → alert</b><br>
2021-02-21 16:00:24.658 CET I (289044378) ovms-server-v2: Send
MP-0
L48.994774,12.209670,316.9,1925.6,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,5,1.9,0.0<br>
2021-02-21 16:00:37.668 CET I (289057388) ovms-server-v2: Send
MP-0
L48.994671,12.209748,316.9,1908.4,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,5,1.9,0.0<br>
2021-02-21 16:00:58.668 CET I (289078388) ovms-server-v2: Send
MP-0
L48.994465,12.209938,124.1,1876.5,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,6,1.3,1.1<br>
2021-02-21 16:01:19.668 CET I (289099388) ovms-server-v2: Send
MP-0
L48.994236,12.210092,124.1,1831.4,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,6,1.3,0.0<br>
<br>
2021-02-21 16:01:43.658 CET I (289123378) ovms-server-v2: Send
MP-0 L<b>48.987961,12.216274</b>,124.1,345.1,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AA,9,1.2,0.0<br>
<b>→ back to park position</b><br>
2021-02-21 16:01:53.658 CET I (289133378) ovms-server-v2: Send
MP-0
L48.987968,12.216249,124.1,346.3,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 16:02:01.668 CET I (289141388) ovms-server-v2: Send
MP-0
L48.987972,12.216249,124.1,346.4,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 16:02:22.668 CET I (289162388) ovms-server-v2: Send
MP-0
L48.987972,12.216251,124.1,346.7,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 16:02:43.668 CET I (289183388) ovms-server-v2: Send
MP-0
L48.987972,12.216255,124.1,347,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 16:03:04.668 CET I (289204388) ovms-server-v2: Send
MP-0
L48.987972,12.216256,124.1,347,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
2021-02-21 16:03:25.668 CET I (289225388) ovms-server-v2: Send
MP-0
L48.987972,12.216257,124.1,347,1,1,0.0,30,0,0.000,0.951,0.053,0,0,AN,8,0.9,0.0<br>
…<br>
</font><br>
<br>
Satellite count went down during that episode from 8 to 4, but the
fix wasn't lost and the HDOP was still excellent. 4 satellites
normally are sufficient for a good position, also when the alert
occured, a fifth satellite already had been locked.<br>
<br>
IOW, that looked exactly like an actual flatbed theft would have
looked.<br>
<br>
The only thing you can do is raise your theft alert threshold to,
say, 1000m. Or higher if these GPS jumps go beyond 1000m.<br>
<br>
It seems this is a glitch in the SIM5360 GPS receiver.<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div class="moz-cite-prefix">Am 27.02.21 um 19:57 schrieb
sharkcow:<br>
</div>
<blockquote type="cite"
cite="mid:df8109f1-0e94-2419-fdf3-324d065eab62@gmx.de">Ah,
thanks for the tip (I had that on in the beginning but could'nt
make <br>
much of the logs so I'd turned it off meanwhile :-/) <br>
<br>
Here's a bit more log info. <br>
<br>
<br>
Am 27.02.21 um 17:57 schrieb Michael Balzer: <br>
<blockquote type="cite">Heiko, <br>
<br>
off-topic, but that's why I provide the email export feature
on my <br>
server. Simply tick the checkbox and set your desired export
time, and <br>
the server will send you a full data export zipped once per
day. <br>
<br>
That way you can always go gack in time to any point. <br>
<br>
Your log excerpt was a bit too narrowed down, please show a
few more <br>
messages with the "location" tag around the alert. <br>
<br>
Regards, <br>
Michael <br>
<br>
<br>
Am 27.02.21 um 17:41 schrieb sharkcow: <br>
<blockquote type="cite">I got one false theft alert a few days
back, but it seems the server <br>
logs aren't saved that long... :( <br>
<br>
relevant lines of console log attached. <br>
<br>
sharkcow <br>
<br>
<br>
Am 27.02.21 um 16:47 schrieb Michael Balzer: <br>
<blockquote type="cite">As the other thread got off-topic:
I'd still like to get forward <br>
regarding release 3.2.016. <br>
<br>
We identified three open issues: <br>
<br>
1. VW e-Up sometimes stays awake for 4-5 hours. <br>
2. Wifi AP connection is unstable with some devices. <br>
3. More frequent location flatbed theft false alerts. <br>
<br>
My current status on these is: <br>
<br>
1. …is probably not a bug on the OVMS but rather a real
behaviour of <br>
the e-Up performing an extended 12V trickle charge. <br>
2. …has only been reported by Steve Davies and seems (?)
to have been <br>
solved by the default scan timings – Steve? <br>
3. …seems to be a Heisenbug, i.e. hasn't had any reports
since we added <br>
extended logging. <br>
<br>
Is my status correct? If so, I think these should no
longer stop us from <br>
releasing 3.2.016. <br>
<br>
Regards, <br>
Michael <br>
<br>
-- <br>
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal <br>
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26 <br>
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