Mts SWIFT 40 Sensor Manuale Utente Pagina 1

be certain.mSpinning Wheel Integrated Force TransducerFor Light TrucksSWIFT® 40 SensorProduct Information100-026-691 G

SWIFT 40 Sensors10Technical SupportProblem Submittal Form in MTS ManualsUse the Problem Submittal Form to communicate problems you are experiencing wi

SWIFT 40 Sensors100Road SimulatorInstalling the Transducer8. Attach the appropriate cables from the connector housing or one cable from the slip ring

Road SimulatorSWIFT 40 Sensors Installing the Transducer101Zeroing the Transducer Interface Non-spinning method For the non-spinning zero method, the

SWIFT 40 Sensors102Communication ConfigurationsInstalling the TransducerCommunication ConfigurationsCommunication between a SWIFT TI and a remote host

Cable ConfigurationsSWIFT 40 Sensors Installing the Transducer103Cable ConfigurationsSWIFT TI to PC Host (9-pin)The following cable (MTS p/n 510741-XX

SWIFT 40 Sensors104Cable ConfigurationsInstalling the TransducerTermination JumperThe following jumper plug (MTS p/n 510743-01) is used to terminate a

SWIFT 40 Sensors Analyzing SWIFT Data105Analyzing SWIFT DataOverview This chapter contains examples of data collected from SWIFT installations, and ex

SWIFT 40 Sensors106The DataAnalyzing SWIFT DataThe DataThe following figure shows handling data taken on a flat, winding surface, using a SWIFT sensor

Fx Data (Longitudinal Force)SWIFT 40 Sensors Analyzing SWIFT Data107Fx Data (Longitudinal Force)This figure shows the Fx (longitudinal force) data. •

SWIFT 40 Sensors108Fx Data (Longitudinal Force)Analyzing SWIFT DataThe following figure illustrates the relationship between Fx and Mz, for this test

Fz Data (Vertical Force)SWIFT 40 Sensors Analyzing SWIFT Data109Fz Data (Vertical Force)The offset force in the Z direction is the combined weight of

SWIFT 40 Sensors Preface11PrefaceBefore You BeginSafety first! Before you attempt to use your MTS product or system, read and understand the Safety ma

SWIFT 40 Sensors110Mx Data (Overturning Moment)Analyzing SWIFT DataMx Data (Overturning Moment)The moment Mx is the resultant of the forces Fz and Fy,

Mx Data (Overturning Moment)SWIFT 40 Sensors Analyzing SWIFT Data111Channel 4 Mx Data The following figure shows the relationship between Mx, Fz, and

SWIFT 40 Sensors112Mx Data (Overturning Moment)Analyzing SWIFT DataMx (wheel off ground) = Fz (active weight of the tire and rim outside the transduce

My Data (Brake Moment)SWIFT 40 Sensors Analyzing SWIFT Data113My Data (Brake Moment)The moment My should show strong similarities with the force Fx an

SWIFT 40 Sensors114Acceleration and Braking Events ExampleAnalyzing SWIFT DataAcceleration and Braking Events ExampleShown below is actual road data t

Acceleration and Braking Events ExampleSWIFT 40 Sensors Analyzing SWIFT Data115Mz: The Mz output noted is corrected to give the aligning moment at the

SWIFT 40 Sensors116Slalom Curve Driving ExampleAnalyzing SWIFT DataSlalom Curve Driving ExampleShown below is actual road data taken with the MTS SWIF

SWIFT 40 Sensors Maintenance117MaintenanceOverview This chapter contains scheduling guidelines and detailed instructions for performing preventive mai

SWIFT 40 Sensors118MaintenanceTransducerThe transducer requires a minimum amount of maintenance.Do not pressure-wash the transducer or clean it with s

SWIFT 40 Sensors Maintenance119Transducer InterfaceThe electronics for your transducer require a minimum amount of maintenance. Ensure that they remai

SWIFT 40 Sensors12ConventionsPrefaceConventionsDocumentation ConventionsThe following paragraphs describe some of the conventions that are used in you

SWIFT 40 Sensors120MaintenanceCablesMonthly Inspect all electrical cables monthly, or after every 160 hours of operation. Always turn off the electri

SWIFT 40 Sensors Troubleshooting121TroubleshootingThis chapter covers basic set-up related troubleshooting tips. Please read this chapter to investiga

SWIFT 40 Sensors122TroubleshootingTroubleshooting Guide (part 1 of 12)SYMPTOM POSSIBLE CAUSES SOLUTIONTransducer Interface (TI) does not power up (gr

SWIFT 40 Sensors Troubleshooting123Spinning Zero Procedure: The Bridge Zero and Angle Zero indicators stay on too long, or they continue to blink slow

SWIFT 40 Sensors124TroubleshootingZero Offset: One or more Signal Outputs appears to have a zero offset after the TI electronics have been zeroed.The

SWIFT 40 Sensors Troubleshooting125Zero Offset: One or more Signal Outputs appears to have a zero offset after the TI electronics have been zeroed. (C

SWIFT 40 Sensors126TroubleshootingZero Offset: One or more Signal Outputs appears to have a zero offset after the TI electronics have been zeroed. (Co

SWIFT 40 Sensors Troubleshooting127The data acquisition scales are set incorrectly.Check that the data acquisition scales are set correctly. The full

SWIFT 40 Sensors128TroubleshootingExcessive noise on the signal caused the shunt tolerance to be exceeded.Electrical Noise: The SWIFT sensor has power

SWIFT 40 Sensors Troubleshooting129Shunt cable problems. If the ShuntDeltaMeas values are not the same as (or within tolerance of the ShuntDeltaRef va

ConventionsSWIFT 40 Sensors Preface13Hypertext links The electronic document has many hypertext links displayed in a blue font. All blue words in the

SWIFT 40 Sensors130TroubleshootingThe output signal polarity is incorrectThe OutputPolarities setting is incorrectThe TI electronics can be set to cha

SWIFT 40 Sensors Troubleshooting131Spinning Application: Vehicle Coordinate System Outputs have unusual or incorrect waveform shapes to them. A one-ti

SWIFT 40 Sensors132TroubleshootingA two-time-per-revolution of tire signal is showing up when the vehicle is driving straight on a flat surface.Gain s

SWIFT 40 Sensors Troubleshooting133Spinning Application: Vehicle Coordinate System Outputs have unusual or incorrect waveform shapes to them. (Continu

SWIFT 40 Sensors134Troubleshooting

SWIFT 40 Sensors Assembly Drawings135Assembly DrawingsThis chapter contains the assembly drawings and parts lists relevant to the SWIFT 40 transducers

SWIFT 40 Sensors136Cable DrawingsAssembly DrawingsCable DrawingsCable DrawingsPART NUMBER CABLE DESCRIPTION377661-XX Ground cable494749-XX BNC cable51

SWIFT 40 Sensors14ConventionsPreface

SWIFT 40 Sensors Hardware Overview15Hardware OverviewOverview The MTS Spinning Wheel Integrated Force Transducer (SWIFT®) is a light-weight, easy-to-u

SWIFT 40 Sensors150Cable DrawingsAssembly Drawings

SWIFT 40A Mechanical DrawingsSWIFT 40 Sensors Assembly Drawings151SWIFT 40A Mechanical DrawingsSWIFT 40A Mechanical DrawingsPART NUMBER PART DESCRIPTI

SWIFT 40T Mechanical DrawingsSWIFT 40 Sensors Assembly Drawings155SWIFT 40T Mechanical DrawingsSWIFT 40T Mechanical DrawingsPART NUMBER PART DESCRIPTI

SWIFT 40 Sensors16Spinning Applications (Test Track)Hardware OverviewSpinning Applications (Test Track) The SWIFT sensor can be used for road load dat

SWIFT 40 Sensors160SWIFT 40T Mechanical DrawingsAssembly Drawings

Common PartsSWIFT 40 Sensors Assembly Drawings161Common PartsCommon Parts for Mounting Either the SWIFT 40A or SWIFT 40T TransducerPART NUMBER DESCRIP

Non-spinning Applications (Simulation Lab)SWIFT 40 Sensors Hardware Overview17Non-spinning Applications (Simulation Lab)The SWIFT sensor can be fully

mMTS Systems Corporation14000 Technology DriveEden Prairie, Minnesota 55344-2290 USAToll Free Phone: 800-328-2255 (within the U.S. or Canada)Phone: 95

SWIFT 40 Sensors18ConstructionHardware OverviewConstructionThe SWIFT sensor has one-piece construction for outstanding fatigue life, low hysteresis, a

ConstructionSWIFT 40 Sensors Hardware Overview19Hub adapter The hub adapter attaches to the inner diameter of the transducer, allowing you to place it

Copyright information © 1999–2001, 2005, 2006, 2008 MTS Systems Corporation. All rights reserved.Trademark information MTS is a registered trademark o

SWIFT 40 Sensors20ConstructionHardware OverviewThe anti-rotate device should be configured such that no loading occurs to the slip ring throughout all

ConstructionSWIFT 40 Sensors Hardware Overview21Transducer Interface(TI)The TI conditions the power supply, and uses previously stored calibration val

SWIFT 40 Sensors22ConstructionHardware OverviewDesign FeaturesFlexure isolation The SWIFT sensor has a very stiff outer ring and flexured beam isolati

Coordinate SystemSWIFT 40 Sensors Hardware Overview23Coordinate SystemIn the transducer, independent strain gage bridges measure forces and moments ab

SWIFT 40 Sensors24Coordinate SystemHardware OverviewThe SWIFT coordinate system is transducer-based, with the origin located at the center of the tran

SpecificationsSWIFT 40 Sensors Hardware Overview25SpecificationsSWIFT 40 Transducer Performance PARAMETER SPECIFICATIONUseSWIFT 40 A (aluminum) forSWI

SWIFT 40 Sensors26SpecificationsHardware OverviewTransducer Center-of-GravityTransducer Center-of-Gravity and Inertia SpecificationsMATERIALALUMINUM T

SpecificationsSWIFT 40 Sensors Hardware Overview27Transducer Interface PARAMETER SPECIFICATIONPhysicalHeightWidthDepthWeightRack Mounting Kit31.75 mm

SWIFT 40 Sensors28SpecificationsHardware OverviewTransducer Interface Communications PARAMETER SPECIFICATIONCommunications Channel # 1(Remote Host Co

CalibrationSWIFT 40 Sensors Hardware Overview29CalibrationEach transducer is calibrated by MTS before shipment. The transducer and TI may be returned

SWIFT 40 Sensors Contents3ContentsTechnical Support 7How to Get Technical Support 7Before You Contact MTS 7If You Contact MTS by Phone 9Pr

SWIFT 40 Sensors30CalibrationHardware OverviewWhen you press the Shunt button, the associated Shunt LED lights. As the TI automatically switches throu

Transducer InterfaceSWIFT 40 Sensors Hardware Overview31Transducer InterfaceThe TI performs cross talk compensation, transforms the loads from a rotat

SWIFT 40 Sensors32Transducer InterfaceHardware OverviewThe TI transforms eight inputs (amplified bridge signals) into three forces and three moments b

Transducer InterfaceSWIFT 40 Sensors Hardware Overview33The angle output for a tire rotating at constant velocity can be represented by the following

SWIFT 40 Sensors34Transducer InterfaceHardware OverviewTI Front PanelTransducer Interface Front PanelFuse (F1) A 3A fuse protects the electronics.Powe

Transducer InterfaceSWIFT 40 Sensors Hardware Overview35Angle Zero and BridgeZero switchesThese switches are used to zero the transducer inputs. Which

SWIFT 40 Sensors36Transducer InterfaceHardware OverviewWhen a system zero is initiated, the associated LED is lit. After successful completion of the

Transducer InterfaceSWIFT 40 Sensors Hardware Overview37Zero LEDs These indicators indicate the current state of the zero process. The ZeroAlgorithm v

SWIFT 40 Sensors38Transducer InterfaceHardware OverviewAddress selector Each TI in a communications chain has a unique address. This address is used i

Transducer InterfaceSWIFT 40 Sensors Hardware Overview39Error Codes for the Fail Indicator (part 1 of 2)FAIL INDICATOR STATE[NUMBER OF BLINKS:]ERRORO

SWIFT 40 Sensors4ContentsShunt Error Status 58Setting up the Transducer Interface 59Select a Zero Method 60Calibration File Elements 61Zer

SWIFT 40 Sensors40Transducer InterfaceHardware Overview17Encoder Init Error. An error occurred while attempting to initialize the TI encoder interface

Transducer InterfaceSWIFT 40 Sensors Hardware Overview41TI Rear PanelTransducer Interface Rear PanelJ4 Output connector The J4 Output connector provid

SWIFT 40 Sensors42Transducer InterfaceHardware OverviewTI JumpersThe transducer interface uses circuit board jumpers to establish certain parameters a

Interfacing with RPCSWIFT 40 Sensors Hardware Overview43Interfacing with RPCThe SWIFT sensor is directly compatible with the MTS Remote Parameter Cont

SWIFT 40 Sensors44Interfacing with RPCHardware Overview

SWIFT 40 Sensors Software Utilities45Software UtilitiesContents Introduction 46TISTATUS - Transducer Interface Status 47TIXFER - Transducer Inte

SWIFT 40 Sensors46IntroductionSoftware UtilitiesIntroductionThe SWIFT utility programs in this distribution are for Win32 Operating Systems (Windows 9

TISTATUS - Transducer Interface StatusSWIFT 40 Sensors Software Utilities47TISTATUS - Transducer Interface StatusThis program is used to get status in

SWIFT 40 Sensors48TIXFER - Transducer Interface TransferSoftware UtilitiesTIXFER - Transducer Interface TransferThis program is used to change setting

TIXFER - Transducer Interface TransferSWIFT 40 Sensors Software Utilities49The following rules apply:Tabs and spaces are allowed.The parameters can oc

SWIFT 40 Sensors Contents5Maintenance 117Transducer 118Transducer Interface 119Cables 120Troubleshooting 121Assembly Drawings 135Cab

SWIFT 40 Sensors50TIXFER - Transducer Interface TransferSoftware UtilitiesAll parameters within the TI have been calibrated. Because the resolution of

TISHUNT - Transducer Interface ShuntSWIFT 40 Sensors Software Utilities51TISHUNT - Transducer Interface ShuntThis program is a utility with various fu

SWIFT 40 Sensors52TISHUNT - Transducer Interface ShuntSoftware UtilitiesThis option asks if you want to save the data in a file. Answer Y or N, and if

TISHUNT - Transducer Interface ShuntSWIFT 40 Sensors Software Utilities53Option 4 Use this option to apply a shunt sequentially, reading the eight bri

SWIFT 40 Sensors54TISHUNT - Transducer Interface ShuntSoftware UtilitiesOption 5 Use this option to command a Shunt Cal in the Transducer Interface. T

TISHUNT - Transducer Interface ShuntSWIFT 40 Sensors Software Utilities55Setting Up Shunt Calibration Reference ValuesThe tishunt utility provides all

SWIFT 40 Sensors56TISETZERO – Transducer Interface Set Zero MethodSoftware UtilitiesTISETZERO – Transducer Interface Set Zero MethodThis program allow

Error MessagesSWIFT 40 Sensors Software Utilities57Error MessagesWhen a SWIFT utility encounters an error, a traceback message is displayed. An exampl

SWIFT 40 Sensors58Shunt Error StatusSoftware UtilitiesShunt Error StatusThis is the error status for each bridge from the last shunt cal that was perf

SWIFT 40 Sensors Setting up the Transducer Interface59Setting up the Transducer InterfaceOverview Two different software configurations are used by th

SWIFT 40 Sensors6Contents

SWIFT 40 Sensors60Select a Zero MethodSetting up the Transducer InterfaceSelect a Zero MethodBefore you install a transducer and zero it, you must con

Select a Zero MethodSWIFT 40 Sensors Setting up the Transducer Interface61Calibration File ElementsThe following figure shows some elements of the cal

SWIFT 40 Sensors62Select a Zero MethodSetting up the Transducer InterfaceZero AlgorithmsThe following table lists the different values available and t

Select a Zero MethodSWIFT 40 Sensors Setting up the Transducer Interface633Use this algorithm if you do not need to mechanically level the SWIFT senso

SWIFT 40 Sensors64Upload the Calibration FileSetting up the Transducer InterfaceUpload the Calibration FileA unique calibration file was loaded into t

Edit the Calibration FileSWIFT 40 Sensors Setting up the Transducer Interface65Edit the Calibration FileDo not change any other items in the calibrati

SWIFT 40 Sensors66Edit the Calibration FileSetting up the Transducer Interface2. If necessary, edit the value for OutputPolarities.This value sets the

Edit the Calibration FileSWIFT 40 Sensors Setting up the Transducer Interface673. Perform this step for spinning application. For non-spinning applica

SWIFT 40 Sensors68Edit the Calibration FileSetting up the Transducer InterfaceC. The AngleOffset value is used when you are operating in encoder mode

Download the Calibration FileSWIFT 40 Sensors Setting up the Transducer Interface69Download the Calibration FileUse the program TIXFER to download the

SWIFT 40 Sensors Technical Support7Technical SupportHow to Get Technical SupportStart with yourmanualsThe manuals supplied by MTS provide most of the

SWIFT 40 Sensors70Download the Calibration FileSetting up the Transducer Interface7. Enter 0 at the prompt to exit the program.tixfer 1.7 beta ((10/25

SWIFT 40 Sensors Installing the Transducer71Installing the TransducerThe SWIFT sensor can be installed on a vehicle at the test track or on an MTS Ser

SWIFT 40 Sensors72Test Track VehicleInstalling the TransducerTest Track VehicleEquipment required This procedure requires one person. To install the S

Test Track VehicleSWIFT 40 Sensors Installing the Transducer73Installation Components (Test Track)Importance of bolts Bolts provide exceptional clamp

SWIFT 40 Sensors74Test Track VehicleInstalling the TransducerDo not lay the wheel flat while the transducer is attached to it.When the wheel is laid f

Test Track VehicleSWIFT 40 Sensors Installing the Transducer75Attaching SWIFT Components to the VehicleProcedure 1. Remove the current wheel from the

SWIFT 40 Sensors76Test Track VehicleInstalling the Transducer5. Attach the hub adapter to the transducer. Hand tighten the bolts.If environmental cond

Test Track VehicleSWIFT 40 Sensors Installing the Transducer77Note To minimize negative clamping effects, you must torque the bolts in the sequence sh

SWIFT 40 Sensors78Test Track VehicleInstalling the TransducerAttaching SWIFT and Wheel Assembly to the Vehicle1. Before installing the SWIFT and wheel

Test Track VehicleSWIFT 40 Sensors Installing the Transducer79C. Measure, making bends as necessary, and cut the aluminum tube to size. MTS provides a

SWIFT 40 Sensors8Technical SupportKnow information fromprior technicalassistanceIf you have contacted MTS about this problem before, we can recall you

SWIFT 40 Sensors80Test Track VehicleInstalling the TransducerInstalling the Transducer Interface ElectronicsThe Transducer Interface (TI) electronics

Test Track VehicleSWIFT 40 Sensors Installing the Transducer813. Ground the TI and data recorder to the vehicle frame. (See the following figures.)Sug

SWIFT 40 Sensors82Test Track VehicleInstalling the TransducerSetting up the SWIFT Sensor for Data CollectionTo ensure accurate data collection, comple

Test Track VehicleSWIFT 40 Sensors Installing the Transducer83Choosing a ZeromethodPreferred method—Zero Algorithm 4 is the preferred method for confi

SWIFT 40 Sensors84Test Track VehicleInstalling the TransducerThis zero method samples all eight input bridges on every encoder tick, for one complete

Test Track VehicleSWIFT 40 Sensors Installing the Transducer85A. Download the spinning calibration file (xxxxxs.cal) to the computer from the MTS Disk

SWIFT 40 Sensors86Test Track VehicleInstalling the TransducerNote If the anti-rotate assembly interferes with the mounting of the digital inclinometer

Test Track VehicleSWIFT 40 Sensors Installing the Transducer87I. Place the digital inclinometer on the bracket and rotate the tire until the inclinome

SWIFT 40 Sensors88Test Track VehicleInstalling the Transducer5. Verify that the calibration file is set up correctly for your testing application.A. D

Test Track VehicleSWIFT 40 Sensors Installing the Transducer89B. Rotate the tire as necessary, until the Fz on the axes icon (see the next figure) pri

SWIFT 40 Sensors Technical Support9If You Contact MTS by PhoneYour call will be registered by a Call Center agent if you are calling within the United

SWIFT 40 Sensors90Test Track VehicleInstalling the Transducer2. Connect all cables and turn on the power to the TI boxes.3. Let the TI boxes and trans

Test Track VehicleSWIFT 40 Sensors Installing the Transducer91Verifying the Quality of the Zero ProcedurePerform the following consistency checks for

SWIFT 40 Sensors92Test Track VehicleInstalling the TransducerD. Press the Shunt button on the front of the TI box, or use option 5 in the TISHUNT prog

Test Track VehicleSWIFT 40 Sensors Installing the Transducer93As the vehicle is set completely on the ground, the output from the SWIFT sensor will re

SWIFT 40 Sensors94Test Track VehicleInstalling the TransducerCollecting DataAfter you zero the TI, you are ready to collect data. Note If you turn off

Test Track VehicleSWIFT 40 Sensors Installing the Transducer95Do not allow the SWIFT assembly to bump into any hard surfaces while you are driving the

SWIFT 40 Sensors96Road SimulatorInstalling the TransducerRoad SimulatorBefore you begin Angular correction is required on the test track only. If you

Road SimulatorSWIFT 40 Sensors Installing the Transducer97Equipment required This procedure requires one person. To install the transducer, you will n

SWIFT 40 Sensors98Road SimulatorInstalling the TransducerAttaching SWIFT Components to the FixturingNote Install the transducer such that the orientat

Road SimulatorSWIFT 40 Sensors Installing the Transducer99Note To minimize negative clamping effects, you must torque the bolts in the sequence shown.