TEST DEVICE FOR SIMULATING MOTOR VEHICLE CRASHES AND METHOD FOR OPERATING A TEST DEVICE

摘要

The description relates to a method for operating a test device and to a test device for simulating motor vehicle crashes. The test device has a carriage arrangement which is arranged so as to be displaceable along a rail arrangement; a test setup which is arranged on the carriage arrangement and has at least one motor vehicle component to be tested; and an acceleration unit by means of which a force can be transmitted to the carriage arrangement in order to accelerate the carriage arrangement. The acceleration unit has a hydraulic drive cylinder with a piston and a piston rod which is connected to the carriage arrangement. At least one measuring pickup is provided for sensing a pressure which acts in the piston-side region and/or in the piston-rod-side region of the drive cylinder.