US Heavy Duty Vehicle Test Cycles
- Urban Dynamometer Driving Schedule (UDDS)
- EPA transient chassis dynamometer test cycle for heavy-duty vehicles.
- Central Business District (CBD)
- Transient chassis dynamometer test cycle for heavy-duty vehicles.
- Business Arterial Commuter (BAC)
- A composite heavy-duty vehicle?s fuel economy cycle, also known as the Transit Coach Operating Duty Cycle.
- City Suburban Cycle & Route (CSC)
- Chassis dynamometer test cycle for heavy-duty vehicles.
- New York Composite
- Transient chassis dynamometer test cycle for heavy-duty vehicles.
- New York Bus (NYBus)
- Transient chassis dynamometer test cycle for urban transit buses.
- Manhattan Bus Cycle
- Transient chassis dynamometer test cycle for urban transit buses.
- Orange County Bus Cycle
- Chassis dynamometer test cycle for transit buses developed by the West Virginia University.
- WVU 5-Peak
- 5-speed chassis dynamometer test cycle for heavy-duty trucks developed by the West Virginia University.
Key Features of HD-Dyno
- Available Roll HD-Modules ( 41",48", 72"; 75"; 120")
- One Motor Base Module
- Scalable Absorber Dyno. >>Up to 260,000N
- Modular Floor structure
- Multiple use ( Emissions, Performance, Climatic )
- Covers Class 6/7/8 Trucks and Off-Road Vehicle
- Standard Roll surface of m 0.8 .
- Easier Installation of HD Dynamometer
- Deadweight Calibration ( Certification purpose ) or comfortable , one-man, proving ring calibration (Verification purpose).
- Optimum tire patch for Emission Testing
- Standard Roll width and spacing accommodates 90% of Dual-Axle and Twin-Tires Vehicles
- Remote Control setup system
- Optional available Pull Down Device up to 25T, for variable simulation of trailer loading
- Optional Available Fast Data Acquisition System ( 1kHz/Channel)
- Optional Available Heavy Duty Autopilot ( accommodates manual and automatic shifting )
- Optional Available Drivers-Aid Tablet System
Technical Information:
- Accommodate Dual Axle Specimen on same unit.
- Emission and Performance in one unit
- Fulfill HD Chassis Emission laws
- Pull Down Forces of 25,000 T
- Dead-weight or Proving Ring Calibration