ardupilot/Tools/LogAnalyzer/tests/TestThrust.py

91 lines
3.7 KiB
Python

# AP_FLAKE8_CLEAN
from __future__ import print_function
from LogAnalyzer import Test, TestResult
from VehicleType import VehicleType
class TestThrust(Test):
'''test for sufficient thrust (copter only for now)'''
def __init__(self):
Test.__init__(self)
self.name = "Thrust"
def run(self, logdata, verbose):
self.result = TestResult()
self.result.status = TestResult.StatusType.GOOD
if logdata.vehicleType != VehicleType.Copter:
self.result.status = TestResult.StatusType.NA
return
if "CTUN" not in logdata.channels:
self.result.status = TestResult.StatusType.UNKNOWN
self.result.statusMessage = "No CTUN log data"
return
if "ATT" not in logdata.channels:
self.result.status = TestResult.StatusType.UNKNOWN
self.result.statusMessage = "No ATT log data"
return
throut_key = None
for key in "ThO", "ThrOut":
if key in logdata.channels["CTUN"]:
throut_key = key
break
if throut_key is None:
self.result.status = TestResult.StatusType.UNKNOWN
self.result.statusMessage = "Could not find throttle out column"
return
# check for throttle (CTUN.ThrOut) above 700 for a chunk of time with copter not rising
highThrottleThreshold = 700
tiltThreshold = 20 # ignore high throttle when roll or tilt is above this value
climbThresholdWARN = 100
climbThresholdFAIL = 50
minSampleLength = 50
highThrottleSegments = []
# find any contiguous chunks where CTUN.ThrOut > highThrottleThreshold, ignore high throttle if
# tilt > tiltThreshold, and discard any segments shorter than minSampleLength
start = None
data = logdata.channels["CTUN"][throut_key].listData
for i in range(0, len(data)):
(lineNumber, value) = data[i]
isBelowTiltThreshold = True
if value > highThrottleThreshold:
(roll, meh) = logdata.channels["ATT"]["Roll"].getNearestValue(lineNumber)
(pitch, meh) = logdata.channels["ATT"]["Pitch"].getNearestValue(lineNumber)
if (abs(roll) > tiltThreshold) or (abs(pitch) > tiltThreshold):
isBelowTiltThreshold = False
if (value > highThrottleThreshold) and isBelowTiltThreshold:
if start is None:
start = i
elif start is not None:
if (i - start) > minSampleLength:
highThrottleSegments.append((start, i))
start = None
climbRate = "CRate"
if "CRate" not in logdata.channels["CTUN"]:
climbRate = "CRt"
# loop through each checking climbRate, if < 50 FAIL, if < 100 WARN
# TODO: we should filter climbRate and use its slope rather than value for this test
for seg in highThrottleSegments:
(startLine, endLine) = (data[seg[0]][0], data[seg[1]][0])
avgClimbRate = logdata.channels["CTUN"][climbRate].getSegment(startLine, endLine).avg()
avgThrOut = logdata.channels["CTUN"][throut_key].getSegment(startLine, endLine).avg()
if avgClimbRate < climbThresholdFAIL:
self.result.status = TestResult.StatusType.FAIL
self.result.statusMessage = "Avg climb rate %.2f cm/s for throttle avg %d" % (avgClimbRate, avgThrOut)
return
if avgClimbRate < climbThresholdWARN:
self.result.status = TestResult.StatusType.WARN
self.result.statusMessage = "Avg climb rate %.2f cm/s for throttle avg %d" % (avgClimbRate, avgThrOut)