Abstract: A power converter is provided with an inverter unit for converting DC power from a DC power supply into AC power, and a control unit that generates a control signal for controlling the inverter unit. The control unit includes an impedance estimation unit that injects a disturbance signal into a load and derives an estimated value of an impedance of the load based on a voltage signal from the load into which the disturbance signal is injected, the impedance compensator unit whose control parameters are set based on the estimated value of the impedance, and that corrects an output current signal in accordance with the control parameters, a command value unit that outputs a command value indicating a control target value, and a control compensator unit that generates a control signal, based on the command value from the command value unit and the current signal from the impedance compensator unit.
Abstract: An electric power tool has a tool housing, and a trigger switch fixed inside the tool housing. The tool housing internally has a trigger switch fixing unit configured to fix the trigger switch. The trigger switch fixing unit is provided with a vibration damping elastic body interposed between the trigger switch fixing unit and the trigger switch.
Abstract: A solar cell array inspection system includes a measurement part configured to measure a characteristic curve which is an I-V curve or a P-V curve of a solar cell array including a plurality of strings when a current from each of the strings is input through a blocking diode; and a determination part configured to search for an inflection point in the characteristic curve measured by the measurement part, determine whether the state of the solar cell array is an abnormal state in which at least one string has an abnormality based on the results of searching for an inflection point, and notify a user of the determination result.
Abstract: A face position detecting device includes: an image analyzer configured to analyze an image of a face imaged by an imaging unit and to extract a positional relationship between at least two characteristic points in the face; and a face position calculator configured to calculate a position of the face. The face position calculator calculates a position of the face in a space, upon operation of an operation screen, according to positional relationships among the face imaged, the imaging unit, and an operation unit, and except upon the operation, according to the positional relationship between the at least two characteristic points that the image analyzer extracts from the face imaged and positional relationships between a plurality of positions of the face and a plurality of the at least two characteristic points corresponding to the plurality of positions of the face obtained in respective operations, respectively.
Abstract: There are provided a load state diagnosis device and a load state diagnosis method for a servomotor. A PLC diagnoses the load state of the servomotor which rotationally drives a rotary tool in a predetermined rotational drive direction at a constant speed. The PLC includes a detection part that detects the rotational direction of a torque acting on the servomotor, a determination part that determines whether the rotational direction of the torque detected by the detection part is consistent with the predetermined rotational drive direction, and a load index output part that outputs a load index indicating the load state of the servomotor based on a determination result of the determination part.
Abstract: An information processing apparatus may include: a storage unit configured to store a plurality of classifiers that identify an object, the classifiers having different characteristics; a measurement unit configured to measure identification accuracy and execution time of each of the plurality of classifiers for a specific object; an output unit configured to output the identification accuracy and the execution time of each of the plurality of classifiers; a selection unit configured to select, from the classifiers whose identification accuracy measured by the measurement unit meets a first condition, a classifier whose execution time meets a second condition; and a setting unit configured to perform setting to cause the selected classifier to operate on an identification apparatus.
Abstract: An identifying apparatus may include: an imaging unit configured to store multiple identifiers that are trained to identify, from images of objects, the presence or absence of a detection target included in the objects, the identifiers being stored in association with attributes of the objects, and to capture an image of a predetermined object; a specifying unit configured to specify an attribute of the predetermined object; a selecting unit configured to select, from the multiple identifiers, a first identifier stored in association with the specified attribute; an input unit configured to input the image of the predetermined object to the first identifier; and an output unit configured to output the presence or absence of the detection target included in the predetermined object, which is output from the first identifier.
Abstract: A detection system includes an image processing apparatus configured to discriminate whether or not there is a detection target contained in an object, using a discriminator, and an information processing apparatus configured to provide the discriminator to the image processing apparatus. The information processing apparatus includes an evaluation unit configured to evaluate, for each attribute, discrimination precisions of the discriminator before and after the additional training, using evaluation data associated with each of a plurality of attributes of an object, when the discriminator is additionally trained using the training data, and an output unit configured to output the discrimination precisions for each attribute.
Abstract: A program development support unit includes an arithmetic unit and a storage unit. A ladder diagram editing program and an edited ladder diagram program are stored in the storage unit. The arithmetic unit is configured to execute the ladder diagram editing program to edit the ladder diagram program, and store the ladder diagram program in the storage unit. The arithmetic unit is configured to allocate two-dimensional coordinates to a ladder diagram expressed by the ladder diagram program. The arithmetic unit is configured to detect two-dimensional coordinates and types of circuit elements included in the ladder diagram, and detect two-dimensional coordinates of any vertical connection lines included in the ladder diagram. The arithmetic unit is configured to store the circuit elements, the vertical connection lines, the two-dimensional coordinates of the circuit elements, and the two-dimensional coordinates of the vertical connection lines in the storage unit in association with each other.
Abstract: A three-dimensional detailed position/orientation estimation apparatus includes a first position/orientation estimation unit and a second position/orientation estimation unit that are configured to estimate three-dimensional position and orientation. The first position/orientation estimation unit optimizes six parameters (translations x, y, and z, and rotations ?, ?, and ?) using 3D data, and the second position/orientation estimation unit optimizes only three parameters (translations x and y, and rotation ?) that can be estimated with high accuracy using a 2D image, based on the result of the three-dimensional position/orientation estimation performed by the first position/orientation estimation unit using the 3D data.
Abstract: A drive mode selection device for selecting a drive mode of an assistance device that assists a user by generating motive power using electric power from a battery, and that can be driven in a plurality of drive modes having different outputs, the drive mode selection device comprises a task information acquisition unit configured to acquire task information, which is information relating to a predetermined task to be executed by the assistance device; a remaining charge acquisition unit configured to acquire a remaining charge of the battery; a power estimation unit configured to estimate a power amount discrepancy on the basis of the task information and the remaining charge of the battery; and a mode selection unit configured to select the drive mode on the basis of the estimation result.
Abstract: It is to perform image measurement under appropriate conditions according to a position in image data. An image processing device acquires a plurality of pieces of image data generated by imaging in a plurality of different light emission states of a plurality of light emitting units included in an illumination device. The image processing device generates image data to be used for image measurement on the basis of the plurality of pieces of acquired image data and a generation condition defined in association with the position in the image data.
Abstract: A control unit includes: a memory; a computation control part; and an input and output unit for connecting the computation control part to a device of an (FA) system. A system program includes a data refresh program for executing a data refresh of data of the 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, and resumes executing the control program.
August 23, 2017
June 20, 2019
Tatsuya KOJIMA, Koji YAOITA, Katsushige OHNUKI
Abstract: An industrial control apparatus that causes a common processing unit to execute a first execution task for executing processing that does not depend on the number of pieces of data and a second execution task for executing processing that depends on the number of pieces of data, and an assistance apparatus are included. The industrial control apparatus calculates a control load amount of a processing unit incurred by executing the first execution task, and extracts the second execution task from the first and second execution tasks. The assistance apparatus calculates a processing load amount of the processing unit according to the type of the extracted second execution task for the number of pieces of analysis data, and using this processing load amount and the control load amount, calculates a margin of processing that indicates a degree of remaining processing capability of the processing unit.
Abstract: The embodiments of the disclosure set a condition when image data is generated, in association with a position of image data. An image processing device makes a plurality of light emission states of a plurality of light emitting units different according to an illumination condition, and acquires a plurality of pieces of image data obtained by imaging in the plurality of different light emission states. The image processing device generates image data to be used for image measurement from a plurality of pieces of acquired image data on the basis of a generation condition defined in association with a position in the image data. In the image processing device, at least one of the illumination condition and the generation condition is determined so that the generated image data becomes image data suitable for a purpose of the image measurement.
Abstract: A display device includes: a first display unit which is a transmissive display unit; a transparent backlight formed of transparent material, provided relative to the first display unit opposite the viewing surface of the first display unit, and configured to emit light toward the first display unit; a light source configured to output object light to the transparent backlight where light from an object provided opposite the light emission plane of the transparent backlight is output toward the transparent backlight and the first display unit; and a controller configured to control the first display unit, the transparent backlight, and the light source so that light emitted from the transparent backlight shows an image on the first display unit, and so that the object light can pass through the transparent backlight and the first display unit and be output.
June 19, 2017
Date of Patent:
June 18, 2019
Junya Fujita, Yuji Hirose, Jun Kishimoto
Abstract: A monitoring system according to an aspect may construct a predictive model that predicts a value of a removal amount depending on values of an accumulated operating time and an accumulated number of processed wafers, based on learning data; acquires actual values of the accumulated operating time, the accumulated number of processed wafers, and the removal amount with respect to a wet etching apparatus when it is in operation; calculates a predicted value of the removal amount by inputting the acquired actual values of the accumulated operating time and the accumulated number of processed wafers to the predictive model; calculates the difference between the predicted value and the actual value of the removal amount, as an indicator value serving as a measure of how necessary it is to replace a chemical solution; and outputs information regarding replacement of the chemical solution based on the calculated indicator value.
Abstract: A process design device, a procedure generation device, a method of controlling a process design device, and a recording medium are provided, such that during an assembly procedure of a product, even when a special task process unique to the product, which is difficult to define in advance, is included, the process of assembling the product is designed. The process design device determines whether or not each task process in procedure data is a special process, displays the task process that has been determined to be the special process in an emphasized manner, and allows a user to decide a facility that is caused to execute the task process.