阅读说明：本技术 路面上的短期不平度的检测 (Detection of short-term irregularities on a road surface ) 是由 托马斯·斯万特森 里卡尔德·约翰逊 奥勒·诺伦 于 2015-06-09 设计创作，主要内容包括：本发明涉及路面上的短期不平度的检测。一种用于提供关于具有至少第一车轮的驾驶车辆下的路面状况、尤其是路面不平度的信息的方法,所述方法包括：a)利用轮速传感器,确定指示在所述第一车轮处的振荡的轮速信号；b)利用所述车辆中的一个或多个加速计,确定指示车辆底盘的依时间运动的加速传感器信号；以及c)基于所述轮速信号和所述加速传感器信号,确定所述驾驶车辆下的路面状况、尤其是路面不平度。(The invention relates to the detection of short term irregularities on a road surface. A method for providing information about a road surface condition, in particular a road surface irregularity, under a driven vehicle having at least a first wheel, the method comprising: a) determining, with a wheel speed sensor, a wheel speed signal indicative of oscillation at the first wheel; b) determining, with one or more accelerometers in the vehicle, an acceleration sensor signal indicative of a time-dependent movement of a vehicle chassis; and c) determining the road surface condition, in particular the road surface irregularity, under the driven vehicle on the basis of the wheel speed signal and the acceleration sensor signal.)

1. A method for providing information about a road surface condition, in particular a road surface irregularity, under a driven vehicle having at least a first wheel, the method comprising:

a) determining, with a wheel speed sensor, a wheel speed signal indicative of oscillation at the first wheel;

b) determining, with one or more accelerometers in the vehicle, an acceleration sensor signal indicative of a time-dependent movement of a vehicle chassis; and

c) determining a road surface condition, in particular a road surface irregularity, under the driven vehicle based on the wheel speed signal and the acceleration sensor signal.

2. A method for providing information about a road surface condition, in particular a road surface irregularity, under a driven vehicle having at least a first wheel, the method comprising:

a) determining, with an accelerometer in a suspension system of the vehicle, a first acceleration sensor signal indicative of oscillation at the first wheel;

b) determining, with one or more accelerometers in the vehicle, a second acceleration sensor signal indicative of a time-dependent movement of a vehicle chassis; and

c) determining a road surface condition, in particular a road surface irregularity, under the driven vehicle based on the first acceleration sensor signal and the second acceleration sensor signal.

3. The method of claim 1, wherein the wheel speed signal is indicative of a time-dependent behavior of a speed of the first wheel of the vehicle.

4. The method of any preceding claim, wherein determining the time-dependent motion of the vehicle chassis further comprises: determining a distance over time between a wheel axle of the first wheel and the vehicle chassis using an axle height sensor and an air suspension height sensor associated with the first wheel.

5. The method of any preceding claim, further comprising generating or updating a map of current road surface conditions based on one or more determined road surface conditions.

6. The method of any preceding claim, further comprising updating the classification of the road surface based on one or more determined road surface conditions.

7. The method of any preceding claim, further comprising adjusting a setting of an active suspension of the vehicle based on one or more determined road conditions and/or information derived from the one or more determined road conditions.

8. The method of claim 4 or 5, further comprising distributing information about one or more determined road conditions onto a communication network.

9. The method according to claim 7, wherein the allocation is to a central server and/or other vehicles using a driver assistance system, in particular a vehicle-to-infrastructure system or a vehicle-to-vehicle system or a background of a cloud-based service system.

10. The method of any preceding claim, further comprising: fusing the determined road condition with other road condition information on a background of the cloud-based service.

11. A system for providing information about the condition of a road surface, in particular the unevenness of a road surface, under a driven vehicle having a first wheel, the system comprising:

a) a wheel speed sensor (100), the wheel speed sensor (100) configured to determine a wheel speed sensor signal indicative of oscillation at the first wheel (103);

b) one or more accelerometers configured to determine an acceleration sensor signal indicative of motion of a vehicle chassis; and

c) an evaluator (102), the evaluator (102) being configured to:

-receiving the wheel speed sensor signal and the acceleration sensor signal; and

-determining a road surface condition, in particular a road surface irregularity, under the driven vehicle based on the wheel speed sensor signal and the acceleration sensor signal.

12. A system for providing information about the condition of a road surface, in particular the unevenness of a road surface, under a driven vehicle having a first wheel, the system comprising:

a) an accelerometer in a suspension system of the vehicle, the accelerometer configured to determine a first acceleration sensor signal indicative of oscillation at the first wheel (103);

b) one or more accelerometers configured to determine a second acceleration sensor signal indicative of motion of a vehicle chassis; and

c) an evaluator, the evaluator (102) being configured to:

-receive the first acceleration sensor signal and the second acceleration sensor signal; and

-determining a road surface condition, in particular a road surface irregularity, under the driven vehicle based on the first and second acceleration sensor signals.

13. A computer program product, wherein the computer program product is configured to control a processor to perform the steps of the method according to any one of claims 1 to 10 when executed in a computing device.