公开(公告)号：US20160054131A1

公开(公告)日：2016-02-25

申请号：US14466929

申请日：2014-08-22

Applicant: CATERPILLAR INC.

Inventor： Paul Russell FRIEND ,  Frank Arthur WILLIS ,  Troy Kenneth BECICKA

IPC: G01C21/20 ,  G01S19/47

CPC classification number: G01C21/20 ,  G01S19/14 ,  G01S19/39 ,  G01S19/47 ,  G01S19/53

Abstract: A method and system for determining an alignment error between sensors mounted to a machine is disclosed. The method may include calculating a first orientation value based on a signal received from a first sensor. The method may further include calculating a second orientation value based on a signal received from a second sensor. The method may further include calculating an alignment error between the first sensor and the second sensor based on a difference between the first orientation value and the second orientation value.

Abstract translation: 公开了一种用于确定安装到机器的传感器之间的对准误差的方法和系统。 该方法可以包括基于从第一传感器接收的信号来计算第一取向值。 该方法还可以包括基于从第二传感器接收的信号来计算第二取向值。 该方法还可以包括基于第一取向值和第二取向值之间的差来计算第一传感器和第二传感器之间的对准误差。

公开(公告)号：US20140180579A1

公开(公告)日：2014-06-26

申请号：US13721958

申请日：2012-12-20

Applicant: CATERPILLAR INC.

Inventor： Paul Russell FRIEND ,  Qi CHEN ,  Frank Arthur WILLIS

IPC: G01C21/20

CPC classification number: G01C21/165 ,  E02F9/264 ,  G01B11/00 ,  G01S17/023 ,  G01S17/89

Abstract: A system and method for estimating position of a machine is disclosed. The method may include receiving, from a perception sensor, scene data describing an environment in a vicinity of the machine and estimating a first position of the machine based on the scene data. The method may include determining whether a first signal indicative of a location of the machine is received by the machine and estimating a second position of the machine when it is determined that the first signal is received. The method may include comparing the second position with the first position and estimating a third position of the machine using at least one of the first position and the second position.

Abstract translation: 公开了一种用于估计机器位置的系统和方法。 该方法可以包括从感知传感器接收描述机器附近的环境的场景数据，并基于场景数据估计机器的第一位置。 该方法可以包括确定机器是否接收到指示机器的位置的第一信号，并且当确定接收到第一信号时，估计机器的第二位置。 该方法可以包括将第二位置与第一位置进行比较，并且使用第一位置和第二位置中的至少一个来估计机器的第三位置。