Electromagnetic Compatibility (EMC) and Noise Vibration Harshness (NVH) testing, in regards to vehicle electronic systems, is critically important in product development.
Download our latest EMC and NVH testing brochure (PDF), click here!
The ever-increasing integration of vehicle electronic systems and the desire for improved driver comfort levels calls for highly sophisticated and technically advanced EMC & NVH Test Systems using chassis dynamometers. EMC & NVH applications have long been a specialty, and area of technical expertise for the team of testing and applications engineers of Mustang Advanced Engineering. Whatever your application involves, MAE has an equipment and systems solution to meet your needs as well as your budget. MAE offers EMC & NVH chassis dynamometers with roll diameters ranging from 30” to 72” and also offers direct HUB connection style test beds. Regardless of the unique challenges of your application, MAE has an economical solution to meet your EMC & NVH testing needs.
MAE offers a wide range of EMC & NVH system and designs, from 4×2, 4×4 to a number of multiple axle configurations. Type of loading devices offered include AC, water-cooled eddy current, and air-cooled eddy current. MAE has developed and installed systems for applications ranging from scooters, small ATV’s, and snowmobiles to large class 8 trucks, military vehicles and even 8×8 “independent roll” commercial vehicles.
Benefits of Mustang Advanced Engineering’s EMC and NVH testing
MAE’s latest developments in use of AC Motors
- Highly responsive inertia simulation capability
- Accurate and responsive roll speed synchronization
- Independent wheel control
- Emission standard road simulation accuracy
- Motors/controls designed to avoid electromagnetic emissions
- Phase lock (relative position control) of the rolls
- “Acoustically dead” roll design and construction
Additional Options and Services
- Throttle actuator or robot driver
- Complete facilities planning and installation services
- Vibration analysis
- Enhanced data acquisition packages
The ever-increasing push for vehicle refinement and improved driver comfort levels calls for highly sophisticated and technically advanced NVH Test Systems using chassis dynamometers within semi anechoic chambers. NVH chassis dynamometer applications have long been a specialty and area of technical expertise for the team of testing and applications engineers of Mustang Advanced Engineering. Whether your application involves interior or exterior NVH challenges, MAE has an equipment and systems solution to meet your needs as well as your budget. MAE offers NVH chassis dynamometers with roll diameters ranging from 30” to 72” and offers direct HUB connection style test beds for applications that require the complete elimination of tire generated NHV. Regardless of the unique challenges of your application, MAE has an economical solution to meet your NVH chassis dynamometer testing needs.MAE is widely regarded as a leading global provider of chassis dynamometer systems for a wide range of application that require accurate and repeatable road load simulation, speed control, force control or acceleration control. Mustang’s line-up of ultra-low noise NVH chassis dynamometer systems have evolved and acquired techniques and capabilities previously only demanded in “high accuracy” emission test systems.
The latest NVH Chassis Dynamometer systems developed by MAE utilize AC Motors and provide significant benefits including:
- Highly responsive inertia simulation capability
- Accurate and responsive roll speed synchronization
- Independent wheel control
- Emission standard road simulation accuracy
- Phase lock (relative position control) of the rolls
- “Acoustically dead” roll design and construction
Roll Design
- Roll surface finish conducive to noise abatement
- Inner roll coating of a water based visco-elastic compound that reduces the structure-borne vibration.
- Roll end cap flash with roll face
Vibration Isolation
- Chassis dynamometer floor plating isolated with a elastomeric isolator which isolated noise, shock, and hi-frequency vibration
- Pit walls insulated with sound absorbing sheeting
- Chassis dynamometer frame isolated from pit with vibration isolation tri-wedge machinery mount
Bearings
- Hydrostatic bearings and special lube system
Sound Barriers
- Sound barrier encasing motor
- Sound barrier encasing rolls
- Motor drives and fan system in isolated location
