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| Number | Title | Issue Date |
| 8022655 | Robot control system comprising a portable operating device with safety equipement A robot controller including a control unit and a portable device (TPU) for teaching and manually operating the robot. The TPU includes safety equipment, a safety TPU-part having a first communication unit and a main TPU-part having a third communication unit. The c... | 09/20/2011 |
| 7446496 | Abnormality detection system of mobile robot In an abnormality detection system of a mobile robot, it is configured such that it is self-diagnosed whether the quantity of state is an abnormal value, or whether at least one of the internal sensor, etc., is abnormal and when an abnormality is self-diagnosed, abn... | 11/04/2008 |
| 7365510 | Motor spindle control system and method In a method for measuring motor speed and position by detecting the back EMF generated during pole-pair interactions, a separate respective duration of a power phase suppression signal, that is set during back EMF detection, is stored in memory for each respective p... | 04/29/2008 |
| 7362063 | Motor spindle control system and method In a method for measuring motor speed and position by detecting the back-EMF generated during pole-pair interactions, fluctuations of a three-phase motor power supply that may affect back-EMF detection are reduced. One phase of the power supply is tristated for a ce... | 04/22/2008 |
| 7348746 | Abnormality detection system of mobile robot In an abnormality detection system of a mobile robot, it is configured such that it is self-diagnosed whether the quantity of state is an abnormal value, or whether at least one of the internal sensor, etc., is abnormal and when an abnormality is self-diagnosed, abn... | 03/25/2008 |
| 7324872 | Robot apparatus An external force estimation system for estimating an external force acting upon a robot apparatus which includes a machine body which in turn includes a plurality of movable joints is disclosed which includes a distribution type contacting state detection section, ... | 01/29/2008 |
| 7312595 | Motor control apparatus Presence/absence of a failure in a feedback control system of a motor is monitored. When a failure is detected in the feedback control system, the motor is driven by switching to an open-loop control. During the open-loop control, the motor is rotated by sequentiall... | 12/25/2007 |
| 7292910 | Method and device for machining a workpiece A method for machining workpieces by means of a multiaxial manipulator, such as an industrial robot, with a tool moved proportionally by a control unit of the manipulator and which can perform characteristic movements with several degrees of freedom is characterized... | 11/06/2007 |
| 7262574 | Robot overcurrent prevention system In an overcurrent prevention system for a robot having links connected by joints and an electrical system including electric motors installed at the joint, a power circuit connecting the electric motors to a power source, and drive circuits to supply current to the ... | 08/28/2007 |
| 7262573 | Medical tele-robotic system with a head worn device A robot system that includes a robot and a remote station. The remote station includes a head worn device worn on the head of a user. The head worn device senses movement of the user's head and generates corresponding input signals. The input signals are processed i... | 08/28/2007 |
| 7248943 | Method for judging communication state in a control system of linked joints Provided is a method in which a communication state between a main control unit and each sub control unit can be judged to be normal or abnormal, in a condition where a noise may be generated from a drive system power line. This method includes a power supply step s... | 07/24/2007 |
| 7211978 | Multiple robot arm tracking and mirror jog A system for performing the method of this invention includes a leader having a robot arm able to articulate about first axes and supporting an end effector. A follower includes a robot arm able to articulate about respective second axes. Servo motors articulate the... | 05/01/2007 |
| 7206666 | Actuator unit and multi-axis robot An actuator unit is applied to joints, each movable along two or more axes, such as a hip joint, a knee joint, or an ankle joint of a legged mobile robot. All the moving portions of a power-supply and control-signal harness are accommodated inside the actuator unit,... | 04/17/2007 |
| 7205744 | Motor spindle control system and method In a method for measuring motor speed and position by detecting the back EMF generated during pole-pair interactions, a separate respective duration of a power phase suppression signal, that is set during back EMF detection, is stored in memory for each respective p... | 04/17/2007 |
| 7196484 | Motor spindle control system and method In a method for measuring motor speed and position by detecting the back-EMF generated during pole-pair interactions, fluctuations of a three-phase motor power supply that may affect back-EMF detection are reduced. One phase of the power supply is tristated for a ce... | 03/27/2007 |
| 7194335 | Manipulator and its control apparatus and method A manipulator operative in a master/slave operative mode, comprising: a master unit commanding an operation; a slave unit having a work unit; a detector detecting the orientation of the master unit and the orientation of the slave unit; and a control device controll... | 03/20/2007 |
| 7173390 | Method of detecting a malfunction during a displacement of an element by means of a drive system, and device suitable for carrying out such a method A method and a device are provided for detecting the occurrence of a malfunction upon movement of an element by a driving system. While the element is being moved, a difference between a predetermined value and an actual value is determined at regular intervals by m... | 02/06/2007 |
| 7148645 | Moving body, legged mobile robot, and control program According to a legged mobile robot of the present invention, a variable measuring portion 101 measures the changing amount of a secondary desired angle θT2, namely, of the newest primary desired angle θT1 that is received by a first su... | 12/12/2006 |
| 7136722 | Method for generating a motion of a human type link system A human-type link system, such as a humanoid robot having a dynamically feasible motion of the link system that is generated when a reference joint acceleration that is only calculated from a kinematical constraint condition is determined not feasible by an evaluati... | 11/14/2006 |
| 7098621 | Motor spindle control system and method In a method for measuring motor speed and position by detecting the back EMF generated during pole-pair interactions, a separate respective duration of a power phase suppression signal, that is set during back EMF detection, is stored in memory for each respective p... | 08/29/2006 |
| 7002313 | Electric power steering device control apparatus An object of the present invention is to provide a controller for an electric power steering apparatus which has a function capable of detecting abnormality of motor current detection circuits even while a steering operation is being executed and can execute alterna... | 02/21/2006 |
| 6871115 | Method and apparatus for monitoring the operation of a wafer handling robot The integrity of control signals used to control a wafer handling robot is monitored by a monitor connected to various points of the robotic control system. The monitor includes a memory for storing data sets representing correct, reference characteristics of the co... | 03/22/2005 |
| 6678582 | Method and control device for avoiding collisions between cooperating robots A method of avoiding collisions between a robot and at least one other object such as another robot is provided in which the user does not need to make any provisions in a robot program for avoiding collisions and defining common work-areas. Furthermore, ... | 01/13/2004 |
| 6605914 | Robotic toy modular system A robotic module for a toy construction system includes a housing enclosing a gear mechanism and an actuator connected to a pivot mechanism to supply operational power for rotation. An energy storage device supplies power to the actuator, which rotates in... | 08/12/2003 |
| 6587749 | Industrial robot and method of operating same It is possible to obtain an industrial robot which assures excellent reduction in maintenance. The industrial robot includes a robot body, a manipulator to control the operation of the robot body, a control device to control the manipulator, a first path ... | 07/01/2003 |
| 6560513 | Robotic system with teach pendant A robotic system for a robot includes a programmable controller coupled to the robot and a teach pendant coupled to the programmable controller. The teach pendant is adapted to control the robot and includes a processor capable of operating the teach pend... | 05/06/2003 |
| 6528963 | Robot and method for controlling motor speed of the robot Disclosed is a method of controlling a robot including a motor having a rotation shaft, an arm part having one end connected to the rotation shaft and interlocking with a rotation of the motor, a position controller controlling the motor, and a main contr... | 03/04/2003 |
| 6480760 | Robot restarting method When an emergency stop button 12 is pressed after a robot 1 passes a teaching point PN, and then reach a position PE, the robot 1 is stopped at a position PS diverted from the predetermined teaching route L. When the start... | 11/12/2002 |
| 6459956 | Safety device for use with an industrial robot A robot system including a robot body, a plurality of safety devices to stop the operation of the robot body, connecting portions respectively disposed between the plurality of safety devices, and output device to transmit an output signal to external equ... | 10/01/2002 |
| 6453213 | Robot control system and method A robot control system and method for controlling a robot that performs working on a working path between a specified working start point and a working end point. The robot control system includes an interrupt request signal generating section for generat... | 09/17/2002 |
| 6414458 | Apparatus for robotically inspecting gas turbine combustion components A robotic inspection system for gas turbine combustion components includes an exterior manipulator for visual inspection of the exterior surface of the impingement sleeve, an interior manipulator for visual inspection of the interior of the transition pie... | 07/02/2002 |
| 6393373 | Model-based fault detection system for electric motors The present invention relates to fault detection in a large population of motors of a common motor type. Initially, a plurality of motors of a common motor type is tested to obtain a first residual based on selected measured operating parameters. A second... | 05/21/2002 |
| 6393340 | Robotic mechanisms with active and passive joints Control of a robotic mechanism comprising both active and passive joints is accomplished, where the motion of one or more of the passive joints is constrained by one or more constraints imposed on the mechanism by the environment, the mechanical construct... | 05/21/2002 |
| 6377869 | Robot controller with abnormality monitoring function A robot controller having a function of monitoring abnormality of a robot operation to prevent an accident by stopping supply of energy or operational substance to an operational tool when the operational tool is abnormally stopped. Motion command pulses ... | 04/23/2002 |
| 6208105 | Robot controller A robot controller determines an abnormality in position, velocity or acceleration of an end effector or a rotational axis of a robot. The robot controller includes a servo CPU that periodically writes current position data in a shared RAM with a host CPU... | 03/27/2001 |
| 6188194 | Controller for automatic machine An automatic machine has a plurality of axes driven by servo motors. The controller for controlling this automatic machine confirms that a compulsory power disconnection mode is engaged, releases the brakes and starts power supply to servo amplifiers. At ... | 02/13/2001 |
| 6057661 | Method of detecting an abnormal load on a servomotor and controlling the same in such an abnormal condition A method of detecting an abnormal load and controlling a servomotor in such an abnormal condition. The servomotor is controlled so that a load will not continuously act on a machine after the abnormal load is detected. When a load torque, detected by an o... | 05/02/2000 |
| 6027238 | Kinematic arithmetic method and apparatus There are provided kinematic arithmetic method and apparatus for evaluating positions and orientations of links of a link mechanism in which a plurality of links are coupled through joints. An angular acceleration of a joint is evaluated by substituating ... | 02/22/2000 |
| 5949209 | Explosion-proof painting robot An electrically driven explosion-proof painting robot comprises a base having a first pressurized chamber, a rotary base having a second pressurized chamber, an inner arm having a third pressurized chamber and an outer arm having a fourth pressurized cham... | 09/07/1999 |
| 5834916 | Industrial robot and its control unit A control unit for an industrial robot comprising a speed command device for outputting a speed command signal for the industrial robot and a servo control device which outputs to a servo motor of each of a plurality of axes of rotation of the industrial ... | 11/10/1998 |
