Apparatus and method for testing automated vehicles
AssigneeHoriba Instruments, Inc.
InventorLeo Alphonse Gerard Breton
Life of this patent
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Abstract
A vehicle longitudinal speed control testing apparatus includes a first movable target body spaced away from a vehicle executing active speed control while loaded by a dynamometer assembly, and a controller. The controller changes a distance between the first movable target body and the vehicle to cause a speed parameter of the vehicle to follow a desired vehicle speed schedule based on speed parameter feedback from the dynamometer assembly or the vehicle, a sum of a speed of the first movable target body and the speed parameter feedback to follow a desired absolute speed schedule, or the distance between the first movable target body and the vehicle to increase according to a desired distance schedule.
Claims21
A testing method comprising:
- while a dynamometer assembly applies a load to a vehicle that is executing active speed control during a first laboratory test of the vehicle, automatically controlling, according to speed parameter feedback from the dynamometer assembly or the vehicle, (i) a position of a first movable target body spaced away from the vehicle or (ii) a first electronic target simulator configured to generate signals indicative of one or more virtual objects moving relative to the vehicle to cause a speed parameter of the vehicle to follow a desired speed schedule.
A testing method comprising:
- while a dynamometer assembly applies a load to a laboratory vehicle that is executing active speed control during a first laboratory test, automatically controlling, according to a desired separation schedule,
- (i) separation between the laboratory vehicle and a movable target body spaced away from the laboratory vehicle, or
- (ii) an electronic virtual target simulator configured to receive signals from the laboratory vehicle and to generate signals indicative of one or more virtual objects moving relative to the laboratory vehicle
- to generate a laboratory vehicle speed profile that replicates a road vehicle speed profile of a road vehicle executing active speed control following a lead vehicle executing the desired separation schedule.
A testing method comprising:
- while a dynamometer assembly applies a load to a vehicle that is executing active speed control during a first laboratory test, automatically controlling, according to a difference between (i) speed parameter feedback from the dynamometer assembly or the vehicle and (ii) a speed schedule representing a traffic flow speed pattern,
- a speed of a movable target body spaced away from the dynamometer assembly, or
- signals from an electronic virtual target simulator indicative of a speed or location of one or more objects moving relative to the vehicle.
Dependencies are inferred from the claim text.