Fanuc Corporation

Hironao Tanouchi

Naoki Masuda

Koujirou Sakai

Shinichi Mizukami

Masato Watanabe

Jianzhou Chen

Hirokazu Nagai

Kiichi Inaba

Yasuyuki Matsumoto

A selection device includes: a storage unit storing a plurality of types of amplifiers in advance; an acquisition unit for acquiring a plurality of selected amplifiers selected for driving a plurality of designated motors designated in advance; an alignment order selection unit for selecting a predetermined arrangement order in which the plurality of selected amplifiers are arranged adjacent to each other in the width direction on the basis of the types of the plurality of selected amplifiers; and a display control unit for causing a display unit to display the predetermined arrangement order.

Selection device and selection method

A motor drive apparatus includes a bus bar through which a current associated with motor driving flows, a printed circuit board, and a conductive support pedestal mounted on the printed circuit board and interposed between the bus bar and the printed circuit board, wherein the conductive support pedestal includes at least one hole for screw passing configured to fasten the bus bar and the conductive support pedestal with screw tightening, and a terminal unit for a printed circuit board configured to electrically connect an electric wire provided in the printed circuit board to the conductive support pedestal.

Motor drive apparatus including bus bar

A motor drive apparatus includes: a power device constituting a portion of a power conversion circuit for generating electric power for driving a motor and having input/output terminals; a printed wiring board having a hole; a bus bar connected to both of the power device and the printed wiring board, wherein the bus bar includes a first plate-like connector portion to be fixed to the input/output terminal, a second connector portion to be connected to the printed wiring board, and an extension portion extending between the first connector portion and the second connector portion that will pass through the hole.

Motor drive apparatus having electric power flowing into/out of power device through bus bar

A servo amplifier selection device includes a memory configured to store specifications of each of a plurality of amplifiers capable of supplying power to a motor; and a processor configured to select, based on the number of one or more designated motors, specifications of each of the one or more designated motors, and specifications of each of the plurality of amplifiers, a combination of amplifiers connected to the one or more designated motors from the plurality of amplifiers in such a way that each of the one or more designated motors is connected to any of the plurality of amplifiers; and select, for each amplifier included in the combination of the amplifiers, specifications of a power cable that connects between the amplifier and a power source in such a way as to satisfy a supply of power needed for the motor connected to the amplifier.

Servo amplifier selection device and servo amplifier selection computer program

A motor control apparatus includes: a converter configured to convert alternating current power of an AC source into direct current power; an inverter configured to convert the direct current power in a DC link into alternating current power for motor driving by the switching device being subjected to ON/OFF control, a DC link voltage detection unit configured to detect a DC link voltage, a DC link voltage determination unit configured to determine whether the DC link voltage exceeds a voltage threshold value, an alarm signal output unit configured to output an alarm signal in an abnormal condition; and a switching control unit configured to perform ON/OFF control on the switching device, and, when the alarm signal is output and the DC link voltage exceeds the voltage threshold value, the switching control unit performs control in such a way as to turn on all the switching device of a lower arm.

Motor control apparatus including protection mechanism

An object is to realize a technology in which a more appropriate power failure operation can be performed when the configuration of a servo system is selected. A selection deviceincludes: a servo system selection unitwhich selects a servo amplifier corresponding to the specification of a motor and a drive condition of the motor in a servo system; a UI display control unitwhich receives the setting of a condition on a power failure operation in the servo amplifier selected by the servo amplifier selection unit; and a power failure operation determination unitwhich determines, based on the condition on the power failure operation received in the power failure operation condition setting unit, a method for the power failure operation in the selected servo amplifier, and the UI display control unitoutputs the method for the power failure operation which is determined by the power failure operation determination unit.

Servo amplifier selection device, servo amplifier selection method and non-transitory computer readable medium recording a servo amplifier selection program

A motor control apparatus includes: a main power conversion circuit that converts power that is supplied from a power supply into alternating current power for driving a motor, and outputs the alternating current power; a counter electromotive force protection circuit including a rectifier unit that rectifies alternating current power based on counter electromotive force of the motor and outputs direct current power, a short-circuit unit that short-circuits terminals on a direct current output side of the rectifier unit, and an alarm signal output unit that outputs an alarm signal at occurrence of an abnormality; a monitoring unit that monitors whether the alarm signal is output from the alarm signal output unit; and a protection operation unit that performs a protection operation for preventing damage to the main power conversion circuit when the monitoring unit determines that the alarm signal is output from the alarm signal output unit.

A servo amplifier selection device includes: an amplifier group allocation section configured to allocate each of a plurality of motors to any one of a plurality of amplifier groups based on an amplifier group number; a total rated output calculation section configured to calculate, for each of the plurality of amplifier groups, a total value of rated outputs of the motors allocated to the amplifier group; a common power source selection section configured to, for each of a plurality of common power sources, selects the common power source that has a magnitude of the power source capacity satisfies a condition of being equal to or greater than the total value of each of the plurality of amplifier groups; and a display control section configured to get the selected common power source to be displayed in a display unit for each of the plurality of amplifier groups.

Servo amplifier selection device in system including multiple converter units

An amplifier selection device includes: a storage means for storing a database containing information pertaining to motor models, amplifier capacities and feature amounts; a means that obtain information of motor models necessary to configure a desired system; a means that calculate a number of necessary amplifiers; a means that select spindle amplifiers; a means that create a combination of servo amplifiers for each spindle amplifier; a means that extract information pertaining to the feature amounts by referring to the database; a means that determine a combination on a basis of the information pertaining to the feature amounts; a power source capacity calculation means that calculate capacities of a main power source and a control power source by referring to the database; and a display control means that display the combination of amplifiers along with the main power source and control power source capacities.

Amplifier selection device, amplifier selection method, and computer-readable storage medium having power source capacity display function

An amplifier selection device includes: a storage that stores a database containing motor models and information pertaining to amplifier capacities and feature amounts; a means that obtains motor model information; a means that calculates a number of amplifiers; a means that selects spindle amplifiers; a means that creates a combination of servo amplifiers and spindle amplifiers; a means that extracts information pertaining to the feature amounts; a means that determines a combination on the basis of the information pertaining to the feature amounts; a power source capacity calculation means that calculates capacities of a main power source and a control power source; a means that calculates a total power consumed by motors; and a display control means that displays the combination of amplifiers and time series data of the total value of the power consumed by the motors along with the main power source and control power source capacities.

A motor drive apparatus in which a main power supply used for motor drive is supplied via a magnetic contactor includes: a monitoring unit that monitors a main power supply voltage at an AC power supply input side of the magnetic contactor in a state in which contacts of the magnetic contactor are opened; a determination unit that determines whether the main power supply voltage monitored by the monitoring unit is normal; and a magnetic contactor control unit that outputs a command that controls opening and closing of contacts of the magnetic contactor, wherein when it is determined by the determination unit that the main power supply voltage is abnormal, the magnetic contactor control unit maintains an output of an open command such that the contacts of the magnetic contactor are opened.

Motor drive apparatus having function for determining abnormality of main power supply voltage

A motor driving device including a printed board on which an insulating component is mounted. The insulating component integrally includes a plate-shaped insulation part formed by a heat resistant resin having an electrical insulation property, and a plate-shaped adhesive part provided at an end portion of the insulation part and formed by a thermoplastic resin having an electrical insulation property, and the insulating component is adhered to a surface of the printed board by thermal welding by heating and melting the adhesive part.

Growing community of inventors

Yamanashi, Japan

Hironao Tanouchi