Complete power train assemblies are durability tested in the laboratory by applying real-time, field-recorded axle loads with an electrohydraulic servo system. Transmission shifting is servo-controlled, permitting testing with power shift and power shift-torque converter type transmissions. The load-control system permits selecting any duty cycle or combination of duty cycles for the laboratory loading. Computer analysis of field and laboratory load data gives a damage rate comparison and component life predictions. A general description of test objectives, equipment, and operation, as well as examples of test results and data comparisons, are given.
Application of Field Loading to Laboratory Power Train Tests
Sae Technical Papers
1973 SAE International Off-Highway and Powerplant Congress and Exposition ; 1973
1973-02-01
Aufsatz (Konferenz)
Englisch
Laboratory Power Train Testing Using Field Recorded Loads
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