Abstract: To allow a time-series change among signal values to be recorded easily for a process of recording the respective time-series values of input signals, a recording device includes: a determination reference value obtaining section configured to obtain a determination reference value on a basis of signal values during a reference time period, the reference time period being a predetermined time period after a start of input of time-series signal values, the determination reference value indicating a feature of the signal values during the reference time period, and a recording control section configured to (i) obtain information on a recording start condition on a basis of the determination reference value, the recording start condition indicating whether, as compared to the signal values during the reference time period, there has been a large change among signal values after the reference time period has elapsed, and (ii) start recording signal values in response to the recording start condition becoming sati

Abstract: A control device includes: a physical first communication port that connects to a first network-to which an information processing device belongs; a physical second communication port that connects to a second network to which the drive device belongs; and a storage device that stores a user program created for controlling the drive device. The user program includes a filtering function for switching a filtering condition in accordance with a setting for the filtering condition that is input during execution of the user program. The filtering condition is used for determining whether or not to transmit communication data received from one device to another device. The one device is one of the drive device and the information processing device. The other device is the other of the drive device and the information processing device.

Abstract: There has been desired a technology for performing a publishing setting of a variable to an external device more easily. A development assistance device provides a development tool configured to develop a user program for controlling a controller. The user program includes at least one variable belonging to a predetermined namespace. The development tool is configured to accept, for the namespace, a publishing setting for causing the controller to determine whether to publish the variable belonging to the namespace to an external device that is communicatively connected to the controller. A communication interface transfers the user program and the publishing setting to the controller on the basis of acceptance of transfer operation of the user program by the development tool.

Abstract: A power supply device includes: an input unit; a power supply unit that generates a supply voltage from a voltage input through the input unit (10); an output unit; an LED that generates a first output in response to input of a voltage to input terminal, the LED being disposed between the input terminal—and the fuse; an LED that generates a second output in response to input of a voltage to the power supply unit through the fuse, the LED being disposed between the fuse and the power supply unit; and an LED that generates a third output in response to output from power supply unit, the LED being connected to an output terminal.

Abstract: A power receiver device a noncontact power supply apparatus short-circuits a resonance suppressing coil provided so as to be electromagnetically coupled to a receiver coil and notifies a power transmitter device of an output voltage abnormality when a measured value of output voltage becomes equal to or greater than an upper limit threshold, the measured value of output voltage being obtained by rectifying power received via a resonance circuit including a receiver coil configured to receive power from a transmitter coil of the power transmitter device and a resonance capacitor connected in parallel with the receiver coil. Upon receipt of the notification of the output voltage abnormality, the power transmitter device changes at least one of a voltage and switching frequency of AC power applied to the transmitter coil.

Abstract: A controller includes a processor and a communication circuit. The controller controls an object of control by sequentially repeating, on a predetermined control cycle, the transmission of the output data, the reception of the input data, and execution of a control program for generating the output data using the input data. In the transmission of the output data, the processor executes: storing of the output data in a frame, the output data having been generated by the execution of the control program in a previous control cycle; and control of the communication circuit such that the frame, in which the output data is stored, is transmitted to the object of control. The processor executes, in a current control cycle, at least a part of the storing of the output data in a frame that is to be executed in a next control cycle.

Abstract: The present invention allows a communication mode in which to communicate with a detection section to be easily and conveniently changed in a motor control device. A slave device (90) includes: a network communication section (120) configured to communicate with a PLC (100) via a communication network; an FB signal obtaining section configured to obtain an FB signal from a detection section; and a setting communication section (140) configured to receive communication mode information of an FB through another communication path different from the communication network. The FB signal obtaining section includes a reconfigurable device and is capable of changing a communication mode of the FB signal obtaining section by reconfiguring the reconfigurable device. The slave device (90) reconfigures the reconfigurable device in accordance with the communication mode information in a case where the setting communication section (140) receives the communication mode information.

Abstract: To provide a technique of being capable of reducing design man-hours of a screen visually representing a state of a drive device than before. A display device receives an information model representing a state of drive device and defining a plurality of variables defined in a predetermined standard, and a display rule relating to screen. In display rule, a kind of a display object visually representing a value of the variable and a display definition relating to display of the display object are associated with each other with respect to a part or all of the plurality of variables. Display device acquires the display object and display definition corresponding to each variable of a display target included in information model from display rule, and disposes each of the display objects on screen according to the corresponding display definition.

Abstract: A setting method according to the present invention determines a desired time response in an optimum servo control structure corresponding to a servo control structure of a control target, calculates a predetermined gain corresponding to the desired time response, and calculates a first weighting coefficient Qf, a second weighting coefficient Q, and a third weighting coefficient R of a predetermined Riccati equation according to the Riccati equation on the basis of the predetermined gain. The first weighting coefficient Qf, the second weighting coefficient Q, and the third weighting coefficient R are set as a weighting coefficient corresponding to a terminal cost, a weighting coefficient corresponding to a state quantity cost, and a weighting coefficient corresponding to a control input cost, respectively, in a predetermined evaluation function for model prediction control.

Abstract: A contactless power supply device includes a power transmitter, and a power receiver. The power receiver includes: a resonant circuit including a receiver coil and a resonant capacitor; a rectifier circuit configured to rectify the power output from the resonant circuit; a voltage detection circuit configured to measure the output voltage from the rectifier circuit and obtain a measurement value for said output voltage; and a first communication device. The power transmitter includes: a transmitter coil; a power supply circuit including a power source and a plurality of switching elements between the power source and the transmitter coil; an auxiliary coil for electromagnetic coupling with the transmitter coil; a variable capacitance circuit configured to connect to the auxiliary coil and adjust the electrostatic charge therein; and a control circuit configured to control the electrostatic charge in the variable capacitance circuit in accordance with the measurement value for the output voltage.

Abstract: A long-life motor driving device is realized. A motor driving device (11) includes: a motor driving circuit (3) configured to supply an alternating electric current to a motor (2); and a dynamic braking circuit (4). The dynamic braking circuit includes: a mechanical switch (SW2) configured to cause a short circuit between windings corresponding to respective two phases; a semiconductor switch (SW1) connected to the mechanical switch in parallel and configured to cause a short circuit between the windings corresponding to the respective two phases; and a first impedance circuit (Z1) connected to the semiconductor switch in series.

Abstract: A contactless power supply device includes: a power transmitter, and a power receiver configured to accept a power transmission from the power transmitter without contact; the power transmitter including a transmitter coil for supplying power to the power receiver via a receiver coil in the power receiver; a power supply circuit including a power source configured to supply direct-current power, and a plurality of switching elements connected in a full-bridge or half-bridge configuration between the power source and the transmitter coil; the plurality of switching elements switching between on and off states at a predetermined frequency to thereby convert the direct-current power supplied by the power source into alternating-current power of a predetermined frequency which is supplied to the transmitter coil; an auxiliary coil arranged to be capable of electromagnetic coupling with the transmitter coil; and a capacitive element configured for connection to the auxiliary coil.

Abstract: There is provided a technique for attaining a state in which communication can be made even when the same control program is used in controllers. Each of the controllers includes: a network setting including a corresponding relation between an IP address and an identifier; and a storage device that stores a control program for controlling a drive device. The control program includes a control instruction for controlling the drive device with the identifier being an input. Each of the controller includes: a generation module that generates an IP address to be different from an IP address of another controller on the same network, and that rewrites the IP address in the network setting; and a communication module that communicates with an information processing device on the same network in accordance with the IP address in the network setting.

Abstract: A control device includes a first processor that acquires a synchronization signal that is generated every first period, and a second processor that generates a second period that is obtained by dividing the first period by n (n?1), generates a control signal, using a timer, every third period that is obtained by dividing the second period by m (m?2), where at least one of a plurality of control signals generated in the first period is a control signal that should be synchronous with the synchronization signal, and in a case where occurrence of an error between timings of the synchronization signal and the control signal that should be synchronous with the synchronization signal is detected, the second processor corrects the error by temporarily changing a width of the timer that is to be started at next and later times.

Abstract: A gas meter comprises a filter device having a filter for removing dust from gas that has flowed in from an inflow opening on the upstream side of a flow measurement module. The filter is disposed as to cover the inlet opening, and at least of a portion of the filter forms a plurality of filter partitions disposed spaced apart from one another toward the downstream side. At least two of the filter partitions have openings at different positions toward the downstream side.

Abstract: A safety control unit includes: a memory; a computation control part; and an input and output unit for connecting the computation control part to a safety input device and an output device to be safely controlled. A system program includes a data refresh program for executing a data refresh of safety control data of the safety input device and the output device and the control data of the memory via the input and output unit. If the computation control part receives a change of a control program, the computation control part stops executing the control program. The computation control part executes the change of the control program while executing a part of the system program including the data refresh. The computation control part resumes executing the control program.

Abstract: An image processing system, an image processing device and an image processing method that can improve performance of an image measurement are provided. A control device controls a light emission portion in a manner that each of plural types of partial regions set on a light emission surface emits light, and controls a camera to image an object in synchronization with light emission of each of the plural types of partial regions. The control device performs an image measurement of the object based on reflection profile information which is generated based on a plurality of input images, and the reflection profile information shows a relationship between positions within the light emission surface and degrees of light reflected at attention sites of the object and incident to the camera with respect to light irradiated from the position to the object.

Abstract: A supply amount change prediction component takes into account a decrease in full-charge capacity due to battery deterioration to predict a future amount of power supplied by a plurality of batteries, and a surplus calculator calculates the surplus of the power supply amount with respect to the power demand.