F-DYN 4WD – 3t Dynamometer   

Dynamometer brief description

The Dynamometer F-DYN-4WD is constructed as a freestanding stand-alone dynamometer, which can optionally be fixed onto a turntable. Two active axes are used for vehicles with rear/front or four-wheel drive with or without limited slip differential. The four roller pairs are independently controllable, and each pair is driven by a separate motor, which also can work as a generator while the car is driven. The generated energy can be feedback to the power supply.

The TT–DYN is especially designed not to influence EMC and EMI measurements. Therefore, the electronic components are inside a shielded, radio interference suppressing box which is placed inboard the dynamometer.

All the design and manufacture of vehicle test bench is in accordance with standards below: Ambient Noise requirements according to standards of CISR12, SAE J551-5

Vehicle velocity, acceleration, load, road simulation requirements and power grids requirements according to standards of CISR12, ISO11451, ECE R10, SAE J551, GB14023, GB18387, IEC61000- 4-3, GB/T 14549.

Software and Controller Brief Description

The Maturo controller DynSoft is developed by maturo engineers based on long experience. The in-house software is able to control all maturo dynamometers and their accessories, e.g. the cooling fans, the robot and so on. It will be delivered with an industrial PC and communicate with the devices by fiber optics.

Due to the fact that the controller and the software are exclusively produced, developed and constantly enhanced by maturo, software maintenance or troubleshooting in case of failing components can be done very fast, optionally with a remote service unit, for minimal downtimes.

The included software contains the following functions: 

- Emergency stop 

- Start cycle / stop cycle 

- Speed control of the rollers 

- Speed control of the ventilator 

- Force at the rim (in Nm) 

- Distance gone from the start of the cycle (in km) 

- Cycle recording (profile) 

To allow the following test cycles: 

- Constant velocity 

- Velocity gradient 

- Simulation of uphill and downhill driving

- Tractive force control

- Friction force control

- Positive and negative rotation control

- ABS, ESP testing

- Road load simulation based on the GB/T 18387 standard

The software includes: 

- PC-Controller with keyboard, mouse and monitor

- The DYN-Software is pre-installed at the PC