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4578562 Method and control system for controlling an industrial robot  
For controlling a work process carried out by means of a robot (RB), instructions are stored both relating to the positioning of the robot and relating to the very process to be accomplished. The...
4578763 Sampled data servo control system with deadband compensation  
The present invention provides a high response inexpensive microprocessor based control system. The system uses only one detector that detects only one motion characteristic of the object...
4553077 Industrial robot  
An industrial robot has a control system with a program memory. During programming, the robot is manually controlled to a sequence of desired positions. At each position, an operating member may...
4530062 Method and apparatus for controlling industrial robots  
An industrial robot control method and apparatus having a pulse distributing circuit for executing a pulse distribution operation on the basis of positional command data from taught data to...
4494060 Axis controller for robotic actuator  
A control for a robotic actuator employs a position processor to determine the phase of a pair of electrooptically generated position signals as well as to keep track of the number of whole cycles...
4482968 Method and apparatus for robot control  
A robot control method and apparatus of the type in which robot operations are taught in advance and the robot is subsequently actuated in accordance with the robot instruction data so taught....
4448342 Method and device for tracer correction in a welding robot  
A method for performing multi-layer welding using a welding robot is disclosed, in which welding on the second and subsequent layers is carried out by backwardly displacing the position of a torch...
4445184 Articulated robot  
An articulated robot comprises one or more articulation angles that can assume two states on the occasion of the same position or attitude of an object being controlled. A change from one to the...
4432063 Apparatus for automatically moving a robot arm along a nonprogrammed path  
Apparatus for moving a robot arm through a series of nonprogrammed points defining a nonprogrammed path in response to coordinate data supplied by an external device. During the automatic...
4403281 Apparatus for dynamically controlling the tool centerpoint of a robot arm off a predetermined path  
An apparatus is disclosed for modifying the motion of a tool centerpoint associated with the function element of a robot arm. The motion to be modified is produced during an automatic mode of...
RE31208 Signal modification device for memory controlled manipulator apparatus  
The invention discloses a digital position instruction signal modification device for use with a memory controlled manipulator apparatus of the type in which, during a teaching operation, a...
4347578 Industrial robot control system  
Teach data for directing the operation of an industrial robot is entered from a teach operating panel and set in a teaching memory. Machine work identify, insufficient machine work detect and...
4178632 Method for controlling the operation of a computer operated robot arm  
The invention relates to a computer operated robot arm in which the operation of the robot arm is controlled by a first program defining absolute coordinate values of points necessary for a basic...