The Precision and Flexibility of Hub-mounted Chassis Dynamometers in Vehicle EMC/EMI Evaluation

In the realm of automotive testing, the Vehicle EMC/EMI Hub-mounted Chassis Dynamometer stands as a pinnacle for precision evaluation of electromagnetic compatibility in vehicles. This article sheds light on the dynamometer's unique features, including its modular design, independent unit capabilities, and applications in anechoic and reverberation chamber testing. Additionally, we explore the dynamometer's customizable design, adjustable wheelbase, and integration possibilities with auxiliary systems.

Key Features and Advancements:

1. Modular Independence: Each dynamometer unit functions independently, allowing for modular assembly and flexibility in configuring testing setups. This modular approach facilitates easy customization according to user requirements, providing a tailored testing environment.
    

2. Torque and Speed Control Precision: The dynamometer units offer independent torque and speed control, ensuring accurate simulation of road load conditions. This feature contributes to high testing precision, repeatability, and the ability to mimic various driving scenarios.
    

3. Adaptability to Various Wheelbases: The multi-axis dynamometer system boasts an adjustable spacing to accommodate vehicles with different wheelbases. This adaptability enhances the dynamometer's versatility, making it suitable for a wide range of vehicles and testing scenarios.
    

4. Integration Capabilities: The dynamometer seamlessly integrates with additional systems, such as automatic driving robots, exhaust emission systems, and vehicle windward systems. This versatility allows users to tailor the dynamometer to specific testing requirements and industry standards.
    

5. Shielding Technology Compliance: Leveraging unique shielding technology, the dynamometer meets the stringent Class 5 requirements of CISPR25, ensuring reliable electromagnetic interference testing and compliance with international standards.
    

6. Flexible Installation Options: The dynamometer can be either mobile or embedded, offering flexibility in adapting to various testing environments. It can be embedded in turntables or placed under raised floors, enhancing its adaptability to different testing setups.
    

7. Vehicle Safety Features:

   • Integrated vehicle fixing device ensures a secure and stable connection during testing.
   • Tire burst detection device enhances safety protocols during high-stress scenarios.
   • Vehicle centering detection device ensures precise alignment for accurate testing results.

Recommended Dynamometer Parameters:

• ECD-A22-X(a):

  • Prated (kW): 22
  • Frated (N) per axle: 2600
  • Vmax (km/h): 120
  • Vrtated (rpm): 60
  • F2 (N) @ Vmax per axle: 1300

• ECD-B34-X:

  • Prated (kW): 34
  • Frated (N) per axle: 3000
  • Vmax (km/h): 120
  • Vrtated (rpm): 60
  • F2 (N) @ Vmax per axle: 2035

• ECD-B74-X:

  • Prated (kW): 74
  • Frated (N) per axle: 6500
  • Vmax (km/h): 120
  • Vrtated (rpm): 60
  • F2 (N) @ Vmax per axle: 4400

The Vehicle EMC/EMI Hub-mounted Chassis Dynamometer emerges as an indispensable tool for automotive engineers and researchers, offering unparalleled precision and adaptability. With its modular design, independent unit capabilities, and compliance with industry standards, this dynamometer sets the stage for cutting-edge electromagnetic compatibility testing, ensuring the highest quality standards in the automotive industry.