Axle Carrier Fixture (ACF)

Accurately replicate real-world boundary conditions for axle and steering subassemblies to develop new chassis systems before full vehicle prototypes are available. ACF systems are engineered for seamless integration into a variety of test systems. They are configured from a basic integration (mechanical only) up to a fully featured integration, including many options tailored to unique customer requirements.

Applications

  • Sub-system Characterization
  • Benchmarking
  • Model Verification
  • Set-up and tuning and evaluation

Test Specimens

  • Anti-Roll Bar Systems and Components

Key Product Features

Integrated / Synchronized

Engineered for seamless integration into MTS K&C Systems, Flat-Trac Roadways and other providers’ test systems

Versatile

Ideal for testing engine/transmission sub-frames and suspension system, steering system, braking system and roll bar components

Innovative Technology

Optional human input assembly allows system to be used for gaining subjective evaluation of the axle and steering assembly components

Accelerated Testing

ACF systems can be integrated into hybrid simulations to extend test system utility into the early stages of vehicle design

Model Comparison

Basic Integration

Base integration with only mechanical boundary conditions for the axle sub-assembly on the ACF

  • Reference K&C System Integration Example below

Full Integration

Fully featured integration for the axle sub-assembly on the ACF

  • Reference Handling Roadway Integration Example below

Custom Integration

The ACF can be  customized to unique customer requirements, such as a human input platform for subjective steering assessment.

 

Technical Overview

Axle Carrier Fixture

Basic ACF configuration to allow Kinematic and Compliance deflection (K&C) properties measurement of vehicle suspension and steering assemblies on a K&C system

  • 2- axle version shown, also available in 1- Axle configuration
  • Universal Specimen Attachment Interface to interface with specimen fixturing, creating mechanical boundary conditions of a real vehicle
  • Vertical height adjustment for setting correct axle loading condition before testing
  • High stiffness design to allow precise K&C properties measurement
  • Optional Steering Input Assembly to provide driver steering input into steering sub-system
  • Optional multi-axis loadcells at each suspension attachment point
  • Optional Vehicle Bus / ECU integration for semi-active or active components
  • Optional integration with MTS mHIL Hybrid Simulation Technology to allow vehicle evaluation with only an axle sub-system
Axle Carrier Fixture

Basic ACF configuration to allow Kinematic and Compliance deflection (K&C) and Dynamic K&C (DK&C) properties measurement of vehicle suspension and steering assemblies on a DK&C system

  • 1- axle version shown, also available in 2- Axle configuration
  • Universal Specimen Attachment Interface to interface with specimen fixturing, creating mechanical boundary conditions of a real vehicle
  • Vertical height adjustment for setting correct axle loading condition before testing
  • High frequency response design exceeding DK&C system input capacity for accurate dynamic characterization
  • Optional Steering Input Assembly to provide driver steering input into steering sub-system
  • Optional multi-axis loadcells at each suspension attachment point
  • Optional Vehicle Bus / ECU integration for semi-active or active components
  • Optional integration with MTS mHIL Hybrid Simulation Technology to allow vehicle evaluation with only an axle sub-system
HRW with ACF

Full ACF configuration to allow Handling Properties Assessment of vehicle suspension and steering assemblies on a Handling Roadway System (HRW)

  • 1- axle version shown, also available in 2- Axle configuration
  • Universal Specimen Attachment Interface to interface with specimen fixturing, creating mechanical boundary conditions of a real vehicle
  • Vertical and roll motion system to provide body motion input
  • Steering Input Assembly to provide driver steering input into the steering sub-system
  • Brake Actuation Assembly to provide driver braking inputs into the brake sub-system
  • Multi-axis loadcells at each suspension attachment point
  • Independent data acquisition system for collection of all specimen and ACF transducer data
  • EPS Power Supply and Vehicle Bus Integration for EPS Steering Sub-System
  • Integration with MTS mHIL Hybrid Simulation Technology to allow vehicle evaluation with only an axle sub-system

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Resources

 
Microsite

Vehicle Dynamics Showcase Lab

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