Honda Motor Co., Ltd.

Osg Corporation

Satoshi Komuro

Hiroki Iikura

Itoshi Naramura

Hideo Watanabe

Masahiko Igarashi

Yoshihiro Umebayashi

Takeshi Mochizuki

Manabu Igusa

Masahiro Oiwake

Nobuyoshi Asaga

Daisuke Sakurai

The present invention provides a method for identifying noise data of a laser ranging device. An n number of measurement points P(i), P(i&#x2212;1) and P(i+1) corresponding to an n number of projection lines that are adjacent to each other are extracted from a plurality of measurement points at which distances have been measured by a laser ranging device. An approximate straight line L(i) that passes through the n number of measurement points is calculated. A degree of inclination e(i) of the approximate straight line L(i) with respect to the representative line among the projection lines corresponding to the n number of measurement points is determined. If the degree of inclination is smaller than a predetermined threshold value, then the measurement data on a measurement point having a largest distance measurement value among the n number of measurement points is identified as noise data.

Method for identifying noise data of laser ranging device

The present invention provides a method for detecting an edge of an object by using a laser ranging device. An n number of measurement points P(i), P(i&#x2212;1) and P(i+1) corresponding to an n number of projection lines that are close to each other are extracted from a plurality of measurement points, the distances of which have been measured by a laser ranging device, and an approximate straight line L(i) that passes through the n number of measurement points is calculated. The degree of inclination e(i) of the approximate straight line L(i) for a representative line of projection lines corresponding to the n number of measurement points is determined. If the degree of inclination is smaller than a predetermined threshold value, then one of the n number of measurement points is identified as a measurement point of an edge of an object.

Method for detecting edge of object by laser ranging device

The present invention provides a method for identifying noise data of laser ranging devices. The measurement data of a plurality of measurement points is acquired by a plurality of laser ranging devicesA andB, which are placed such that the laser beam projection areas thereof overlap with each other. A set of measurement points common to the laser ranging devicesA andB is extracted from the measurement points. Noise data is identified based on the measurement data of each of a plurality of (two) measurement points constituting the set of common measurement points.

A robot and its control device capable of improving recognition accuracy of a position and posture of a functional body such as a hand with respect to an object to thereby attain improved stability of the operation involving a change in position/posture of its body are provided. In a case where the magnitude of a deviation &#x394;&#x3d5; of an angle &#x3d5; made by two reference vectors Uand U, representing a manner in which a structure W extends in a camera coordinate system and in a hand coordinate system, respectively, with respect to a reference angle &#x3d5;is greater than a threshold value &#x3b5;, the probability that the state of interaction between the hand(functional body) and the structure W is divergent from a desired state is high.

Robot and control device of the robot

A spline rolling tool including a plurality of forming teeth that are to bite into a cylindrical workpiece so as to roll splines in the workpiece. Each of the forming teeth has an incomplete toothed region in which a crest of each forming tooth is removed such that an upper end of each forming tooth in the incomplete toothed region is defined by an incomplete-toothed region surface that includes a curved surface portion, a flat surface portion and a slant surface portion. The incomplete-toothed region surface is defined at its periphery by a chamfered edge that has a surface roughness of not larger than about 3.2 &#x3bc;m. Also disclosed is a process of manufacturing the spline rolling tool, which includes a chamfering step of forming the chamfered edge by using a wire brush having abrasive grains that are fixed to bristles of the wire brush.

Growing community of inventors

Saitama, Japan

Satoshi Komuro