About 90 results
https://drivepatents.com/patents/1068357 · 12 Apr 2006
A method for quantitatively analyzing steer characteristics to acquire steering stability of vehicles/tires. The method divides the steer characteristics into understeer, oversteer, and power-off reaction characteristics, separately analyzes the understeer...
https://drivepatents.com/patents/1069171 · 15 Mar 2006
Device for determining the properties of a road surface comprises a light sensitive sensor for measuring the light reflected from the road surface and an analyzer for determining the road surface properties dependent on the power of the light signal at at ...
https://drivepatents.com/patents/1069854 · 22 Feb 2006
An SAT estimator 16 estimates the SAT generated between the road surface and the tire. A slip angle arithmetic unit 18 estimates the front wheel slip angle. A lateral force detector 180 computes the lateral force generated in the wheels. An SAT model value...
https://drivepatents.com/patents/1069776 · 22 Feb 2006
The estimating method for a road friction coefficient µ includes the steps of detecting a steering angle by a steering angle sensor; detecting a lateral acceleration by a lateral acceleration sensor; and calculating an approximate friction coefficient µ ...
https://drivepatents.com/patents/1072089 · 30 Nov 2005
A rough road drive simulation apparatus for testing a vehicle motion control system includes a real-time simulator. The real time simulator simulates a rough road driving state by entering, to a vehicle model representing a vehicle equipped with the vehicl...
https://drivepatents.com/patents/1073352 · 12 Oct 2005
System for estimating the speed of a vehicle (1) comprising means (11) to determine a first parameter based on the rotational speed of a first set of wheels (5) of the vehicle, such as its drive wheels, and means (14) to estimate the speed of the vehicle (...
https://drivepatents.com/patents/1075922 · 13 Jul 2005
The method for the making available of information for parallel parking of a vehicle with regard to the road entails the creating of signals to identify the remaining distance to the next stopping point of the vehicle. The speed of the vehicle and/or the r...
https://drivepatents.com/patents/1077869 · 11 May 2005
A judgment method of road surface condition includes steps of: periodically detecting the wheel rotational speeds of the four wheel tires of a vehicle, memorizing the wheel rotational speed of each of tires, determining a slip ratio from said wheel rotatio...
https://drivepatents.com/patents/1078613 · 13 Apr 2005
The method involves measuring quantities characterizing vertical behavior of a front wheel (21) and a rear wheel (23), respectively. Time lag (T) of the quantity measured for the rear wheel with respect to the quantity measured for the front wheel is estim...
https://drivepatents.com/patents/1078707 · 6 Apr 2005
An electronic control unit calculates a target yaw rate in accordance with a vehicle speed and a steering angle and calculates the yaw rate difference on the basis of the target yaw rate and an actual yaw rate. The electronic control unit estimates the gri...