Simulating rotation of a wheel
First Claim
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1. A test device to simulate rotation of a wheel on a vehicle having a rotatable wheel rotation sensor, the device comprising:
- a motor coupleable to a rotatable portion of the rotation sensor; and
a motion controller in communication with the motor to operate the motor to rotate the rotatable portion of the rotation sensor according to a pulse train simulating a wheel skid.
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Abstract
A device and method for simulating rotation of a wheel on a vehicle having a rotatable wheel rotation sensor. A motor is coupled to a rotatable portion of the rotation sensor, and is operated to rotate the rotatable portion of the rotation sensor according to a pulse train simulating a wheel skid.
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Citations
19 Claims
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1. A test device to simulate rotation of a wheel on a vehicle having a rotatable wheel rotation sensor, the device comprising:
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a motor coupleable to a rotatable portion of the rotation sensor; and a motion controller in communication with the motor to operate the motor to rotate the rotatable portion of the rotation sensor according to a pulse train simulating a wheel skid. - View Dependent Claims (2, 3, 4, 5, 6, 8, 9, 10)
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7. A test device to simulate rotation of a wheel on a vehicle having a rotatable wheel rotation sensor, the device comprising:
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a motor coupleable to a rotatable portion of the rotation sensor; and a motion controller in communication with the motor to operate the motor to rotate the rotatable portion of the rotation sensor according to a pulse train simulating a wheel skid, wherein the motion controller is configured to operate the motor according to a velocity mode that operates the motor to rotate the rotation sensor at a speed that simulates a desired wheel speed, and wherein the motion controller is configured to drive the motor at speeds suitable to test at least one of the following vehicle system functions;
an aircraft maintenance mode, speed response of a speed-sensitive aircraft nose wheel steering system, or response of an aircraft braking system to brake application to simulate a rejected take off.
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11. A test device to simulate rotation of a wheel on a vehicle having a rotatable wheel rotation sensor, the device comprising:
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a motor coupleable to a rotatable portion of the rotation sensor; a motion controller in communication with the motor to operate the motor to rotate the rotatable portion of the rotation sensor according to a pulse train simulating a wheel skid; a wheel hubcap adapter mountable to the vehicle wheel, wherein the motor is coupled to the adapter and the motor includes an output shaft; a drive coupling coupled to the output shaft and connectable to the rotatable portion of the rotation sensor when the adapter is mounted to the vehicle wheel; and a protective housing including a case and a cover coupled to the case, and in which are disposed one or more components of the test device including the adapter, the motor, the drive coupling, the motion controller, a user interface, and a computing device in communication with the user interface and the motion controller and having a motion control software application loaded thereto, wherein the protective housing includes multiple compartments including an electrical compartment having an interface panel with an on/off switch, motor communication couplings, wherein the compartment also houses a transformer coupled to the on/off switch via a fuse, communication break out boxes coupled to the transformer and coupled downstream to a motor driver of the motion controller.
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12. A method of simulating rotation of a wheel on a vehicle having a rotatable wheel rotation sensor, comprising:
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coupling a motor to a rotatable portion of the rotation sensor; and operating the motor to rotate the rotatable portion of the rotation sensor according to a pulse train simulating a wheel skid. - View Dependent Claims (13, 14, 15, 16)
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17. A method of simulating rotation of a wheel on a vehicle having a rotatable wheel rotation sensor, comprising:
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coupling a motor to a rotatable portion of the rotation sensor; and operating the motor to rotate the rotatable portion of the rotation sensor according to a pulse train simulating a wheel skid, wherein the motor operating step includes operating the motor according to a velocity mode in which the motor is driven to impart a desired simulated wheel speed input, and wherein the motor operating step includes driving the motor in one of a fixed or variable manner to impart a desired simulated wheel speed input for testing at least one of an aircraft maintenance mode, speed-sensitive aircraft nose wheel steering, or response of an aircraft braking system to brake application to simulate a rejected take off.
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18. A method of simulating rotation of wheels on a vehicle having rotatable wheel rotation sensors, comprising:
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coupling motors to rotatable portions of the rotation sensors; operating at least one of the motors to rotate at least one of the rotatable portions of at least one of the rotation sensors according to a velocity mode; and operating another of the motors to rotate another of the rotatable portions of another of the rotation sensors according to a pulse train simulating a single wheel skid.
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19. A method of testing vehicle system functionality, comprising:
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coupling a motor to a rotatable portion of a vehicle wheel rotation sensor; and operating the motor to rotate the rotatable portion of the rotation sensor according to a pulse train simulating a wheel skid; and sensing wheel rotation using the rotation sensor.
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Specification