Mts SWIFT 30 Sensor Manuel d'utilisateur Page 131
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Noté. / 5. Basé sur avis des utilisateurs
SWIFT 30 Sensors Troubleshooting
131
Zero Offset: One or more
Signal Outputs appears to
have a zero offset after the
TI electronics have been
zeroed. (Continued)
The tire was not rotated
after zeroing to set the index
pulse position.
After a spinning zero, the rotational
transformation is updated at the first encoder
movement. Rotate the wheel one revolution
after doing a spinning zero. If the angle offset
has changed from the previous angle offset set
in the TI, a step in the main outputs may occur.
After the wheel is rotated one revolution, the
correct loads and transformations will appear.
The reference angle of the
transducer is set incorrectly
in non-spinning mode.
The AngleFixed value in the TI calibration file
is initially set to zero, indicating that the
coordinate outputs on the transducer’s label are
correct when the label is upright. If the label is
not upright, or if the AngleFixed value in the
calibration file is not set correctly, the angular
transformation may be causing the error.
For example, if the transducer should be sensing
only a vertical load with the vehicle at rest, but
the angle is set incorrectly, it may give an output
of longitudinal load and vertical load based on
this erroneous axis orientation set by the
AngleFixed value. To correct, verify that the
AngleFixed value matches the actual
orientation of the transducer.
The AngleOffset value is
incorrect in the calibration
file.
If an incorrect AngleOffset value is set in the TI
calibration file, an axis which should have no
load may show some load from another vehicle
coordinate axis based on the incorrect reference
orientation. Verify that the correct
ZeroAlgorithm and AngleMode are set for
your specific application (refer to, “Edit the
Calibration File,” on page 66).
An angle offset is caused by
improper spinning zero
procedure.
For spinning applications with auto-zero for
both bridge zero and angle zero
(ZeroAlgorithm = 3, AngleMode=0): Verify
that the zeroing procedure was done correctly
with no load or contact on the tire other than the
weight of the tire, and that all contact with the
transducer was on the inner diameter only (refer
to “Setting up the Transducer Interface”).
Troubleshooting Guide (part 4 of 12)
S
YMPTOM POSSIBLE CAUSES SOLUTION
- SWIFT® 30 Sensor 1
- Product Information 1
- Publication information 2
- Contents 3
- Analyzing SWIFT Data 109 4
- Maintenance 123 5
- Troubleshooting 127 5
- Assembly Drawings 141 5
- If You Contact MTS by Phone 9
- SWIFT 30 Sensors 10
- Technical Support 10
- Before You Begin 11
- Conventions 12
- SWIFT 30 Sensors Preface 13
- Hardware Overview 15
- Construction 18
- Non-spinning 20
- Additional 21
- Design Features 22
- Coordinate System 23
- Specifications 25
- LUMINUM TITANIUM 26
- ARAMETER SPECIFICATION 26
- ARAMETER SPECIFICATION 28
- Calibration 29
- Checking the 30
- TI Front Panel 34
- AngleFixed=0 35
- AIL INDICATOR STATE 39
- TI Rear Panel 41
- TI Jumpers 42
- Interfacing with RPC 43
- Software Utilities 45
- Introduction 46
- More about TIXFER 49
- Error Messages 56
- Shunt Error Status 57
- Select a Zero Method 60
- Calibration File Elements 61
- Zero Algorithms 62
- Upload the Calibration File 64
- Edit the Calibration File 66
- Description 68
- Download the Calibration File 70
- Test Track Vehicle 74
- Ground to 84
- Data Recorder 84
- the Z axis facing up 85
- Choosing a Zero 86
- Axes Icon 88
- Angle Zero 94
- Switch and Indicator 94
- Bridge Zero 94
- SWIFT 30 A (Aluminum) 95
- SWIFT 30T (Titanium) 95
- Effect of Zero 96
- Reference on SWIFT 96
- Collecting Data 97
- Road Simulator 100
- Installing the Transducer 100
- OLT SIZE 102
- ORQUE INCREMENT M8 M10 102
- Communication Configurations 105
- Cable Configurations 106
- Termination Jumper 107
- Analyzing SWIFT Data 109
- The Data 110
- Direction 111
- Fx Offset=165N 112
- Fz Data (Vertical Force) 113
- Mx Data (Overturning Moment) 114
- My Data (Brake Moment) 117
- Slalom Curve Driving Example 121
- Maintenance 123
- Transducer 124
- Transducer Interface 125
- Troubleshooting 127
- Signal Outputs appears to 130
- TI electronics have been 130
- One or more 132
- Troubleshooting Guide 133
- Assembly Drawings 141
- Cable Drawings 142
- SWIFT 30 Mechanical Parts 157
- Common Parts 165
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