US 7,590,468 B2
Robot system
Atsushi Watanabe, Tokyo (Japan); Kazunori Ban, Minamitsuru-gun (Japan); and Ichiro Kanno, Minamitsuru-gun (Japan)
Assigned to Fanuc Ltd, Yamanashi (Japan)
Filed on Sep. 29, 2004, as Appl. No. 10/952,101.
Claims priority of application No. 2003-337892 (JP), filed on Sep. 29, 2003.
Prior Publication US 2005/0071048 A1, Mar. 31, 2005
Int. Cl. G05B 19/00 (2006.01)
U.S. Cl. 700—259  [700/245; 700/256; 700/247; 700/249; 700/253; 345/1.2; 345/158; 345/161; 345/169; 345/2.1; 368/680; 368/683; 219/121.63; 219/121.64; 318/568.1; 318/568.11; 318/568.12; 318/568.13; 318/568.19; 901/1; 901/3; 901/6; 901/15; 901/49] 18 Claims
OG exemplary drawing
 
1. A robot system capable of reproducing a situation at the time of alarm occurrence, said robot system comprising:
a robot; and
a simulation unit connected to said robot through a communication line and for simulating operations of said robot,
said robot comprising:
a means for recording, upon occurrence of a predefined alarm in said robot in operation, an operating condition of the robot at the time of alarm occurrence as robot history information; and
a means for transmitting the robot history information through said communication line to said simulation unit, and
said simulation unit comprising:
a means for receiving the robot history information transmitted from said robot; and
a means for reproducing the operating condition of said robot at the time of alarm occurrence by simulation using the received robot history information.