Flat-Trac® Tire Force & Moment Measurement Systems
Measure force and moment (F&M) properties that affect vehicle performance and handling by applying vertical, camber, steer, and drive/braking inputs to a spinning tire on a flat surface. The Flat-Trac family is the standard for tire F&M measurements and consists of several configurations to perform a wide range of steady state and dynamic testing to meet your testing needs.
Applications
Reifenkraft- und Momentmessung
Reifeneinstufung zur Verwendung in Reifenmodellen
Zeitverlauf-Simulation
Bewertung des Handlings von Fahrzeugen mit Hilfe der hybriden Simulation
Tire and automotive manufacturers worldwide rely on Flat-Trac technology to meet demands for higher performing tire designs
Innovative Technology
The Flat-Trac family can integrate into an Iterative mechanical Hardware-In-the-Loop (ImHIL) simulation environment to increase the speed of tire development while decreasing development costs
Reliability
Local tire service expertise and life cycle management means a quick response with immediate troubleshooting ensuring system uptime
Versatile
The complete Flat-Trac family comprises five standard configurations to meet a wide range of testing needs
Featured Case Studies
Technical Overview
Controller
Real-tome Control Interface (RTCI)
Tire Test Definition (TTD) & analysis Interface
Roadway Motor (Servohydraulic)
Flat-belt Roadway / Water Bearings
Spindle Drive Motor (ELectric)
SilentFlo Hydraulic Power Unit (HPU)
Water Bearing Supply
Spindle Cooler
Drive & Motor Chiller
Isolation Transformer
Roadway & Tire Drive Electrical Cabinet
Tire Size Capabilities
Classic
SS
CT
CT Plus
LTRe
Passenger Car Tire Sizes
Most
Most
Most
Most
Most
Light Truck Tire Sizes
Some
Some
Some
Many
Most
Racing Tire Sizes
Some
Most
Testing Capabilities
Steady State Force and Moment Test
Best
Best
Good
Good
Good
Residual Pull Force and Aligning Moment Test
Best
Best
Limited
Limited
Sweep Type Force and Moment Tests
Limited
Good
Good
Good
Sinusoidal Dynamic Slip Angle or Deflection
Good
Good
Good
Wheel Torque or Traction Tests
Good
Good
Good
Rolling Resistance Testing
Better
Better
Limited
Limited
Limited
Uniformity Testing
Low Speed
Low Speed
Low Speed & LimitedHigh Speed
Low Speed & LimitedHigh Speed
Effective Rolling Radius Measurement
Good
Good
Good
Good
Good
Performance Capabilities
Units
Classic
SS
CT
CT Plus
LTRe
Speed
±km/h
150
200
250
250
320
Slip Angle
±deg
15
30
30
20
30
Inclination (Camber) Angle
deg
-10 to +30
-12 to +45
-12 to +45
±10
±10
Loaded Radius
mm
200 to 475
200 to 475
200 to 475
225 to 475
250 to 525
Wheel Torque
±Nm
2800
6000
10000
Vertical Load Capability
N
24000
24000
25000
25000
30000
Lateral Force Capability
±N
15000
15000
15000
20000
30000
Sweep Rate – SA, IA & RL
deg/sec & mm/s
<10°/<1°/<25
15°/1°/75
50°/5°/300
50°/9°/300
90°/38°/300
Sinusoidal Control Frequency Range
Hz
1
5
10
10
Load Cell Resonance
Hz
~35
~35
>200
>200
>100
Inertial Compensation
•
•
•
Drive System
Electric
Electric
Hydraulic
Electric
Electric
Service & Support
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