Verfahren zur Steuerung der Form einer Messvorrichtung

Details

Veröffentlichungs-Nr.

EP3147625

Aktenzeichen

EP16188980

Anmeldetag

15. September 2016

Veröffentlichung

2. September 2020

Erteilung

2. September 2020

Rechtsraum

EP

IPC

G01B5/008

Abstract

There is provided a method for controlling a shape measuring apparatus which can achieve both trajectory correcting capability and control stability. A stylus tip is moved along a scanning path while controlling the stylus tip so as to keep an amount of deflection of a probe to a workpiece to be a reference amount of deflection. A movement instruction for the probe is generated according to a combined velocity vector V represented by the following expression: combined velocity vector V = Gf Vf + Ge Ve + Gc Vc 2 , where Vf is a path velocity vector to move the probe along the scanning path, Ve is a deflection correcting vector to keep the amount of deflection of the probe to the workpiece to be the reference amount of deflection, Vc2 is a second trajectory correcting vector represented by (Vc1.q)q, Vc1 is a first trajectory correcting vector to correct a position of the probe so that the stylus tip heads to the scanning path, and q is a trajectory correcting direction vector given by a vector product of a normal line of a surface of the workpiece and the path velocity vector Vf.

Anmelder

Firma

Mitutoyo Corporation

Land

🇯🇵 Japan

Fachgebiete