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| Number | Title | Issue Date |
| 8054028 | Servo motor control system A table containing correspondence between “n” and “m” is set in a control circuit of a servo control system so that the current command data in the m-th (m=1, 2, 3 . . . ) current command register is assigned to the n-th (n=1, 2, 3 . . . ) servo amplifier. W... | 11/08/2011 |
| 8018192 | 3D-trajectory display device for machine tool A trajectory display device capable of correctly quantifying an error of a three-dimensional trajectory of a machine tool, and displaying or outputting the error. The trajectory display device has a command line segment defining part adapted to define a command line... | 09/13/2011 |
| 7986119 | Motor control system A motor control system includes an MMI (man machine interface), an upper-controller, and a motor driver connected in that order. The upper-controller includes a motherboard, a communication control module, and a servo driven control card connected in that order. The... | 07/26/2011 |
| 7977908 | Numerical controller with abnormal motor deceleration stop control means While a numerical controller is operating, an abnormality of a numerical control section is detected. In response to an abnormality detection signal, a motor deceleration stop control circuit of a servo section is actuated to perform speed control with a speed comma... | 07/12/2011 |
| 7973509 | Numerical controller having control mode switching function A pulse distribution unit notifies a mode control/instruction unit of an output start signal. The mode control/instruction unit outputs a mode setting signal, a speed command signal, and a compensation pulse to an axis control unit. In a position control mode, the m... | 07/05/2011 |
| 7956566 | Driver IC with HV-isolation, especially hybrid electric vehicle motor drive concept An automotive drive system for a high voltage electric motor comprises a microcontroller and ECU powered by a low voltage (12 volt) bus net which controls the drives of a high voltage inverter powered by a 100 volt or higher source, which, in turn, drives the motor.... | 06/07/2011 |
| 7859214 | Synchronous controller A synchronous controller capable of gently changing a synchronous multiplying factor and setting the gentleness of changing of the synchronous multiplying factor without shocking a machine. A block for gently changing the synchronous multiplying factor is added betw... | 12/28/2010 |
| 7847505 | System and method for configuring a soft starter An externally configurable soft starter system comprises a motor controller including solid state switches for controlling application of power to a motor. A control circuit controls operation of the solid state switches. The control circuit comprises a programmed p... | 12/07/2010 |
| 7839110 | Motor control system A motor control system includes a first-type amplifier that receives a PWM instruction, a second-type amplifier that receives a positional instruction, a numerical control device, and a serial bus. The numerical control device includes a first processor that calcula... | 11/23/2010 |
| 7834575 | Gate-driver IC with HV-isolation, especially hybrid electric vehicle motor drive concept An automotive drive system for a high voltage electric motor comprises a microcontroller and ECU powered by a low voltage (12 volt) bus net which controls the drives of a high voltage inverter powered by a 100 volt or higher source, which, in turn, drives the motor.... | 11/16/2010 |
| 7764039 | Numerical controller A numerical controller is capable of foreseeing the occurrence of interference during operation of a machine and securely preventing the interference. An advanced position calculating section determines advanced time for the next interference check, based on an end ... | 07/27/2010 |
| 7759895 | Numerical controller and synchronous control method using numerical controller A conveyer for transporting a box and a conveyer for transporting a bottle are driven along a follow-up target axis and a follow-up axis, respectively. The follow-up axis is accelerated from a synchronization start position, and, when the follow-up axis velocity cat... | 07/20/2010 |
| 7605560 | Motor driving apparatus There is provided a motor driving apparatus in which variations in individual circuit constants have a small effect even when a drive current is small. An error amplifier circuit amplifies a difference between a current detection signal showing a current value of a ... | 10/20/2009 |
| 7570006 | Method and means for using a control file with a control unit of a machine A computer (20) that determines a sequence of control vectors (16) using predetermined functional instructions. Each vector includes a number of vector elements (17). Each vector element (17) is designed for a maximum of one final drive u... | 08/04/2009 |
| 7541765 | Motor controlling circuit and method A motor control circuit includes: a detector outputting a detection signal in accordance with the motor rpm; a counter counting the number of clocks in accordance with a rotational cycle represented by the detection signal; a controller counting a DC motor based on ... | 06/02/2009 |
| 7463002 | Robot controller system A robot controller system includes a robot including a first actuator and a second actuator, a main controller for driving the first actuator, and a sub-controller for driving the second actuator. In the main controller, an actuator controller generates first contro... | 12/09/2008 |
| 7436143 | Miniature surveillance robot A robotic system has a drive chassis having a drive motor and a drive element attached to the first drive motor. Additionally, a motor controller system provides drive signals to the first drive motor. A logic controller provides control signals to the motor control... | 10/14/2008 |
| 7425811 | Numerical controller When a servomotor (control axis) is coasting and rotating in a servo-off state in which no current is applied to the servomotor, this servo-off state is switched over to a servo-on state in which current is applied to the servomotor, and a position control and a spe... | 09/16/2008 |
| 7423404 | Sample-loading system and anti-collision device and anti-collision method thereof Some embodiments of the present invention provide an anti-collision device used for a sample-loading system. This device may include a code plate, an optical coupler, a location signal-detecting unit, a drive pulse counting unit and a drive pulse-sending unit. The o... | 09/09/2008 |
| 7420349 | Microcontroller interface with hall element A device controller system incorporates an inexpensive Hall element to detect motion of a brushless DC motor. A magnet, which is part of a motor rotor, passes by the Hall element producing a Hall voltage each rotation. The Hall voltage is coupled through an interfac... | 09/02/2008 |
| 7383100 | Extensible task engine framework for humanoid robots An extensible task engine framework for humanoid robots. Robot instructions are stored as tasks and skills. Tasks are designed so that they can be executed by a variety of robots with differing configurations. A task can refer to zero or more skills. A skill can be ... | 06/03/2008 |
| 7372660 | Disc storage system with adaptive PID control A disc drive controller circuit for an actuator receives reference data indicating a desired actuator position “θd”, error data indicating a difference “e” between the desired actuator position and a sensed actuator position “θ”, and adaptiv... | 05/13/2008 |
| 7372230 | Off-axis rotary joint An off-axis rotary joint (20) for selectively enabling communication of a signal (i.e., electrical and/or optical) between a housing (21) mounted for rotation about an axis (y-y) relative to a hollow shaft assembly (22) at all permissible relati... | 05/13/2008 |
| 7368887 | Servo control device and method of adjusting servo system A servo control device that displays, by a two-dimensional image, evaluation of control precision of a servo system, includes: an instruction unit that instructs a position instruction having periodicity; a unit that records a track of position data based on a posit... | 05/06/2008 |
| 7363419 | Method and system for terminating write commands in a hub-based memory system A memory hub receives downstream memory commands and processes each received downstream memory command to determine whether the memory command includes a write command directed to the memory hub. The memory hub operates in a first mode when the write command is dire... | 04/22/2008 |
| 7348742 | Lighting fixture with synchronizable optical filter wheel and related method A method of making an optical filter wheel of a device synchronizable with an internal, rotatable virtual reference wheel, created in a memory of a motor controller of the device, is disclosed. The method includes a single trigger event that initializes rotation of ... | 03/25/2008 |
| 7348748 | Motorized system and method of control A system and method for generating a controlled motion path with a machine-tool system having a controller operating in a servo rate. The method includes a first interpolation step, in which a path segment corresponding to a number of servo update periods is calcula... | 03/25/2008 |
| 7348745 | Controller First and second acceleration detectors are attached to first and second sections on a driven body, and values of accelerations α1 and α2 in a travel direction of the driven body are detected. On the basis of the difference or sum of the acceleration... | 03/25/2008 |
| 7342739 | Method, medium, and apparatus compensating for torque variations based on temperature A method, medium, and apparatus controlling a hard disk drive, and particularly, embodiments include methods, media, and apparatuses compensating for torque variations with respect to temperature variations in a seek servo operation, compensating for differences bet... | 03/11/2008 |
| 7341822 | Time-optimal setpoint generator in a lithographic apparatus The present invention discloses a lithographic apparatus, a device manufacturing method, and a robotics system capable of specifying a trajectory to be followed by a substrate relative to a radiation beam comprising a position and/or an orientation as a function of ... | 03/11/2008 |
| 7339339 | Control system of floating mobile body An object of the invention is to provide a floating mobile object control system capable of causing a floating mobile object to stand still in a predetermined position with high precision or track a target trajectory with high precision, even under disturbances caus... | 03/04/2008 |
| 7319652 | Controlling optical pickup of optical disk drive by detecting change of sampling signals taken from a motor drive signal A drive current or a drive voltage is controlled corresponding to change of load by sampling the drive current or drive voltage of a motor to move an optical pickup and then detecting change of the sampling signal as change of the optical pickup when it is moved. Mo... | 01/15/2008 |
| 7317175 | User interface for configuring and controlling an array of heater elements An oven control system and user interface are provided for setting a target temperature for different zones within an oven. A thermocouple is provided in each zone within the oven to monitor the realized temperature within the specific zone of the oven. A plurality ... | 01/08/2008 |
| 7302867 | Magnetic transducer torque measurement A magnetic transducer element is formed by rotating an integral region of a shaft about an axis in the presence of a magnetic source. An annulus of magnetization results in having its magnetization in the axial direction. The exterior magnetic field emanated by the ... | 12/04/2007 |
| 7292002 | Control method for twin synchronization In a control method for a twin synchronization in which two motors for driving two axes (moving elements 3) mechanically fastened to each other by a fastening part (a fastening jig 6) are synchronously operated, one of the two axes is operated at low s... | 11/06/2007 |
| 7291996 | Optical disc drive and brake control method thereof An optical disc drive 1 includes a spindle motor 11 for rotating the optical disc 2 and a spindle driver for driving the spindle motor 11 equipped with a rotation number counter 232 for measuring the rotation number of the spindle ... | 11/06/2007 |
| 7289290 | Method of controlling track seek servo in disk drive and apparatus therefor A method of controlling a track seek servo in a hard disk drive and an apparatus therefor. A method of controlling a track seek servo includes moving a transducer to a track with an acceleration trajectory generated by a convolution operation, a rate of change of ac... | 10/30/2007 |
| 7287939 | Method for controlling relative displacements of a tool against a workpiece Relative movements of a tool and a workpiece are controlled by moving a tool axis in all spatial dimensions for the material-removal machining of the workpiece to produce a desired target contour of the workpiece by a sequence of relative movements along a tool traj... | 10/30/2007 |
| 7282882 | Robot controller A robot control system for simultaneously controlling multi-axial robots each of which has actuators, a standard movement part being set in each of the robots, includes: a single main controller for calculating respective movement positions of the standard moving pa... | 10/16/2007 |
| 7283888 | Method and system for controlling a machine tool with direct transfer of machining data Method and system for a direct transmission of motion path data (310) from a generating system (204) to a control system (205) for use in controlling a servo-driven machine. For example, a machine tool for machining stock material, and the data ... | 10/16/2007 |
