Basic modes Chassis dynamometer

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saab 96 on mobile dynamometer



tractive force control/force constant - in mode dynamometer holds set force regardless of speed or other parameters. specified force can distributed evenly between axes or in different amounts between different axes in case of multiple axis chassis dynamometers.
speed control/velocity constant - dynamometer holds set speed regardless of force or other parameters. example, if vehicle tries accelerate in mode, dynamometer applies opposite force maintain set constant speed. mode used example in static power measurement.
road load simulation - dynamometer simulates road according set parameters (according desired simulation parameters = f0, f1, f2 or abc parameters, simulated inertia , gradient).






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