Apparatus for correcting tolerance of indicated speed, system having the same, and method thereof
AssigneesHyundai Motor Company, Kia Corporation
InventorChong Bae Park
Life of this patent
Estimating the term…
Abstract
An embodiment apparatus for correcting an indicated speed tolerance includes a global positioning system (GPS) receiver, a processor, a memory coupled to the processor and storing instructions that, when executed by the processor, cause the processor to calculate an indicated speed by using a tolerance value for each vehicle speed section of a plurality of vehicle speed sections based on a wheel speed, and to correct an error between the indicated speed and a vehicle speed by using an actual speed of a vehicle based on GPS information received from the GPS receiver, and a display device configured to display the indicated speed.
Claims16
An apparatus for correcting an indicated speed tolerance, the apparatus comprising:
- a global positioning system (GPS) receiver;
- a processor;
- a memory coupled to the processor and storing instructions that, when executed by the processor, cause the processor to:
- obtain, while a vehicle is being operated at a particular time, wheel speed information from a wheel speed sensor of the vehicle;
- calculate, as a vehicle speed, an average wheel speed value based on the wheel speed information;
- determine a tolerance value within a tolerance value range associated with a speed section, of a plurality of speed sections, to which the vehicle speed belongs;
- calculate an indicated speed by using the tolerance value and the vehicle speed;
- obtain, while the vehicle is being operated at the particular time and from a GPS receiver, GPS information associated with the vehicle;
- determine an actual vehicle speed using the GPS information;
- calculate a correction value using the actual vehicle speed, the indicated speed, and a speed section range;
- and
- determine a corrected indicated speed based on the indicated speed and the correction value;
- and
- a display device configured to display the corrected indicated speed.
An apparatus for correcting an indicated speed tolerance, the apparatus comprising:
- a wheel speed sensor;
- a global positioning system (GPS) receiver;
- and
- an integrated speed tolerance correcting apparatus comprising a processor and configured to:
- obtain, while a vehicle is being operated at a particular time, wheel speed information from the wheel speed sensor of the vehicle;
- calculate, as a vehicle speed, an average wheel speed value based on the wheel speed information;
- determine a tolerance value within a tolerance value range associated with a speed section, of a plurality of speed sections, to which the vehicle speed belongs;
- calculate an indicated speed using the tolerance value and the vehicle speed;
- obtain, while the vehicle is being operated at the particular time and from a GPS receiver, GPS information associated with the vehicle;
- determine an actual vehicle speed using the GPS information;
- calculate a correction value using the actual vehicle speed, the indicated speed, and a speed section range;
- and
- determine a corrected indicated speed based on the indicated speed and the correction value;
- and
- provide the corrected indicated speed to a display device,
- wherein the display device is configured to display the corrected indicated speed.
A method for correcting an indicated speed tolerance, the method comprising:
- obtaining, while a vehicle is being operated at a particular time, wheel speed information from a wheel speed sensor of the vehicle;
- calculating, as a vehicle speed, an average wheel speed value based on the wheel speed information;
- determining a tolerance value within a tolerance value range associated with a speed section, of a plurality of speed sections, to which the vehicle speed belongs;
- calculating an indicated speed by using the tolerance value and the vehicle speed;
- obtaining, while the vehicle is being operated at the particular time and from a GPS receiver, GPS information associated with the vehicle;
- determining an actual vehicle speed using the GPS information;
- calculating a correction value using the actual vehicle speed, the indicated speed, and a speed section range;
- and
- determine a corrected indicated speed based on the indicated speed and the correction value;
- and
- displaying the corrected indicated speed.
Dependencies are inferred from the claim text.