Abstract: A defect number determination unit determines whether or not a solar cell string is defective in a plurality of positions on the basis of whether or not a combined impedance found from impedances in the case where an inspection signal is applied to a P terminal and an N terminal of the solar cell string deviates from a reference impedance by greater than or equal to a predetermined threshold.

Abstract: A power supply control device according to one or more embodiments may be provided, in which a power conversion device has a configuration in which a resonant circuit is provided on an output side of a matrix converter using switching circuits including snubber elements so as to perform AC-AC conversion of output from a multi-phase AC power supply. The power conversion device is controlled to make an amplitude of an output current, a phase of the output current and an instantaneous reactive power as close to a control target as possible. The amplitude and the phase of the output current and the instantaneous reactive power are derived based on: an input voltage and a phase of a multi-phase current input to the power conversion device; and characteristics of the resonant circuit.

Abstract: A control-program-development supporting apparatus (10) comprises an editing unit (11) and a display unit (14). The editing unit (11) executes editing of a control program and debugging of the control program. The display unit (14) displays the contents of the editing and the contents of the debugging. In addition, when the same processing is designated a plurality of times for a program construct or a variable to be debugged contained in the control program during executing debugging, the editing unit (11) causes the display unit (14) to display debugging supplementary information including at least one of past edited contents concerning the program construct or the variable to be debugged, changed contents of the control program, and related error information.

Abstract: To achieve more natural image expression. A display device (1) is provided with a light guide plate (4) which displays a predetermined image having a tone caused by changing the amount of light emitted from each of pixel regions including one or more light exit structures (43), and the amount of light emitted from the pixel regions displaying the tone in a predetermined range is randomly set so as to be a first light amount value or a second light amount value greater than the first light amount value.

Abstract: A storage unit stores a value indicating a change in a value for a body with respect to an action in type or amount and uses the value stored therein and indicating the change to predict a value indicating a change in a value for the body of a user for each action of the user, and presents the value indicating the change as predicted. A value indicating a change arising when a prescribed action is performed and a value indicating a change arising when the prescribed action is not performed are predicted. The storage unit stores a value indicating how the value for the body of the user changes with respect to the user's action in type or amount. The storage unit stores values indicating how values for bodies of a plurality of people change with respect to actions of the plurality of people in type or amount.

Abstract: Provided is a motor control device having a function of estimating inductance and resistance of a motor for which inductance and resistance thereof are unknown. The motor control device includes a power converter, a current controller which calculates the voltage command input to the power converter using a detection result of a current value of a drive current of the motor, a current command generation unit which specifies a frequency for motor constant calculation on the basis of an electrical time constant of the motor, generates a sine wave of the frequency for motor constant calculation, and inputs the sine wave to the current controller as the current command, and a motor constant calculation unit which obtains a frequency response while the sine wave is input to the current controller as the current command, and calculates resistance and inductance of the motor from the obtained frequency response.

Abstract: An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal secured to the housing; a movable contact accommodated in a chamber in the housing; a movable shaft with one end connected to the movable contact, and a solenoid configured to drive the movable shaft in a contact movement direction. The contact terminals including contact arrangement portions to which a first fixed contact point and a second fixed contact point are secured; and external terminals arranged outside the housing; and intermediate portions connecting the contact arrangement portions and the external terminals and held by the housing; the housing includes a pair of supports each supporting the first fixed contact point and the second fixed contact point.

Abstract: According to the present invention, an input operation unit receives an input related to generation and editing of a ladder diagram program. A partial circuit search unit searches and extracts a partial circuit corresponding to a ladder circuit of an inputted command name when the input operation unit receives the command name of the ladder circuit to be inserted into the ladder diagram program. A display unit outputs an input candidate corresponding to the partial circuit extracted by the partial circuit search unit. A replacement processing unit receives selection of the input candidate outputted from the display unit, and replaces, with the selected input candidate, the ladder circuit, the command name of which has been inputted by the input operation unit.

Abstract: Provided is a control device comprising a communication management part, a computation part, and a result output part. The communication management part is for managing data communication using cyclic communication conforming to a prescribed communication cycle with respect to a field network. The computation part is for measuring a propagation delay time from received data corresponding to actual measurement data for a propagation delay having been transmitted to the field network, and detecting an operation state of the field network using the propagation delay time measurement result. The result output part is for outputting the result of the detection performed by the computation part.

Abstract: A wireless switch comprising: a movable section provided to be freely displaceable; an operation unit elastically held by the movable section and, when in a non-neutral state, vibrating as a result of an action of elastic force that causes return to a neutral state and displacing the movable section in a direction corresponding to a direction of the vibration; a power generation unit generating a voltage of a polarity corresponding to a direction of displacement when the movable section has been displaced; a wireless transmission unit wirelessly transmitting a signal on the basis of power generated by the power generation unit; and a voltage supply control circuit, when the operation unit in the neutral state has been operated such that the operation unit is brought into a non-neutral state, supplying a voltage to the wireless transmission unit using power generated by the power generation unit at a time of an initial state change of the operation unit and then disabling voltage supply to the wireless transmi

Abstract: The present invention easily inhibits an influence of a dead time on voltage control without requiring a user to consider a specific usage condition or the like of each motor control device. A control circuit (10) controls a step-down converter circuit (40) to step down a DC voltage to be applied to an inverter circuit (60) so that a duty of a PWM signal becomes greater than a dead time (Td).

Abstract: This information processing device is provided with an editing unit and a storage unit. The editing unit performs editing on one or more controller data sets that contain control programs to be executed on a control device. The storage unit stores a sharing setting table indicative of sharing settings of the control programs included in the respective controller data sets. When the control program for a first controller data set and the control program for a second controller data set that are included in the plurality of controller data sets are set to be shared, the editing unit synchronizes the edited content for the control program for the first controller data set with the control program for the second controller data set.

Abstract: Updating performance of a display screen in a terminal device that displays a screen for remotely monitoring an object to be controlled by a control device is appropriately maintained. An information device for factory automation connected to the control device that controls an object communicates with a terminal device having a display capable of displaying a screen for remotely monitoring the control device. The screen includes one or more components. The screen data for displaying the screen includes attributes of the respective components relating to the display, and a logic executed by the programmable indicator to determine the attribute values. When the terminal device displays a screen, the programmable indicator transmits the attributes and attribute values of the respective components in the screen data to the terminal device.

Abstract: A connector is provided with a locking portion having hook portions extending in the first direction, arranged at intervals around the first direction, and capable of being resilient deformation in a second direction intersecting the first direction and away from the connector main body, and a holding portion having a tubular shape encircling the locking portion around the first direction and having a screw groove portion provided on an inner peripheral surface at an end portion in the first direction and adjacent to a connection portion. The holding portion is moveable between a holding position where the holding portion holds the locking portion locked to a to-be-locked portion of a first mating connector, a hold releasing position where the holding portion releases the holding of the locking portion, and a fitting position where the screw groove portion is fitted to a screw thread portion of a second mating connector.

Abstract: A vital sign measurement device includes a belt to be worn around an upper limb of a living body, and a transmission and reception unit provided to the belt, capable of transmitting and receiving radio waves. The transmission and reception unit includes transmission and reception antenna units. The transmission antenna unit emits radio waves respectively toward an artery of the upper limb and a heart. The reception antenna unit receives radio waves respectively reflected by the artery and/or a tissue being displaced in accordance with a pulse wave of the artery and by the heart and/or a tissue being displaced in accordance a heartbeat of the heart. The vital sign measurement device includes a vital sign detection unit that acquires a pulse wave signal representing the pulse wave of the artery and a heartbeat signal representing the heartbeat of the heart based on the outputs from the reception antenna unit.

Abstract: A display control device (10) comprises an image acquisition component (11), an orientation estimation component (12), and a controller (13). The image acquisition component (11) acquires an infrared image (G1) sensed by infrared array sensors (21a and 21b) installed in a room. The orientation estimation component (12) estimates the orientation of a care receiver (P1) in a room (30) on the basis of the infrared image (G1) acquired by the image acquisition component (11). The controller (13) controls a display device (22) so that a dummy image (D1), which shows a simplified view of the orientation of the care receiver (P1) estimated by the orientation estimation component (12), is displayed superimposed over the infrared image (G1).

Abstract: A technique is desired that can output a warning to a user before a buffer of a controller runs out of a free space. A control apparatus includes a buffer for buffering log data sequentially generated, an interface unit connectable with an external storage device, a writing unit for sequentially reading the log data buffered to the buffer and sequentially writing the log data to the external storage device while the external storage device is connected to the interface unit, a monitoring unit for monitoring a free space of the buffer, and a warning unit for outputting a warning upon the free space falling below a prescribed value.