About 91 results
https://drivepatents.com/patents/1082822 · 27 Oct 2004
A process to determine the condition of a vehicle comprises determining at least one vehicle parameter and finding from this which vehicle condition applies, each condition having its own proof criterion. The determining process is sequential beginning wit...
https://drivepatents.com/patents/1083354 · 6 Oct 2004
A side-slip velocity estimation module (62) for a vehicle stability enhancement control system (12) includes a side-slip acceleration estimation module (78) that determines an estimated side-slip acceleration of a vehicle. A limited-frequency integrator (8...
https://drivepatents.com/patents/1084916 · 11 Aug 2004
An angular velocity detection device is provided, which can sense the angular velocity of a mobile unit with high accuracy. An angular velocity detection device (100) includes angular velocity detection means (101) for delivering a first sensor output ( om...
https://drivepatents.com/patents/1085290 · 28 Jul 2004
The method involves the determining at least one first and second wheel state of at least one wheel during operation of the braking system. The method involves determining the movement parameter in the second wheel state depending on at least one braking p...
https://drivepatents.com/patents/1085579 · 21 Jul 2004
A map detailing method that details a map database in which road shape data is stored: wherein a vehicle is made to travel and the vehicle movement is detected in accordance with the vehicle location; and the map database is detailed based on the compariso...
https://drivepatents.com/patents/1087103 · 19 May 2004
A method for judging road surface conditions for judging road surface conditions on which a vehicle is running. The method includes the steps of: obtaining wheel speed rotational information of driving wheels of the vehicle during running from wheel speed ...
https://drivepatents.com/patents/1087526 · 12 May 2004
A method for directly and accurately estimating friction coefficient of a road surface independently from the slip rate is disclosed. The method measures tangential and vertical forces acting on an elastic body 3 of an elastic wheel 1, and calculates the f...
https://drivepatents.com/patents/1087340 · 6 May 2004
The force between tire and road is calculated using two groups of parameters. One group concerns conditions of the vehicle and of the surroundings and these values are provided by sensors. The other group involves fixed values concerning the tire propertie...
https://drivepatents.com/patents/1088021 · 14 Apr 2004
A torque estimation unit (M5) approximates an aligning torque produced on a wheel. A wheel factor estimation unit (M8) provides a wheel factor including a side force and a slip angle applied to the wheel. A grip factor estimation unit (M10) approximates th...
https://drivepatents.com/patents/1088010 · 14 Apr 2004
A torque estimation unit (M5) approximates an aligning torque produced on a wheel. A wheel factor estimation unit (M8) provides a wheel factor including a side force and a slip angle applied to the wheel. A grip factor estimation unit (M10) approximates th...