Patent classifications
G05B2219/37532
CONTROL DEVICE, MECHANICAL SYSTEM, AND TIME SYNCHRONIZATION METHOD
A control device controls a mechanical device having a movable member driven by a motor. The control device includes a radio signal exchange unit that receives a sensor signal indicating a position, a velocity or an acceleration of a tip part of the movable member, a data acquisition unit that acquires first time-series data of acceleration based on the received sensor signal, a data calculation unit that calculates second time-series data of acceleration at the tip part based on a drive command to the motor, a delay time calculation unit that calculates, when the mechanical device performs a predetermined basic operation, a delay time of the first time-series data to the second time-series data, based on a degree of correlation between the first and second time-series data, and a time synchronization unit that synchronizes time of the sensor part and control device based on the delay time.
COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND INFORMATION STORAGE MEDIUM
Provided is a communication system, in which a first industrial machine and a second industrial machine are configured to communicate to/from each other, the communication system comprising circuitry configured to synchronize first time information updated by the first industrial machine and second time information updated by the second industrial machine with each other, wherein the second industrial machine is configured to: acquire state data on the second industrial machine; and transmit to the first industrial machine the second time information at a time when the state data is acquired and the state data.
SYNCHRONIZING DEVICE, SYNCHRONIZATION METHOD AND SYNCHRONIZATION PROGRAM
A synchronizing device includes: a machine data acquisition portion which acquires at least one type of machine data related to operation of a machine in a time series based on first time information; a measurement data acquisition portion which acquires at least one type of measurement data measuring the state of the machine in a time series based on second time information; a first extraction portion which extracts, from any of the machine data, a moment at which a feature set in advance indicating a predetermined event is expressed; a second extraction portion which extracts, from any of the measurement data, a moment at which a feature set in advance indicating the predetermined event is expressed; and an output portion which synchronizes a moment extracted by the first extraction portion and a moment extracted by the second extraction portion, and outputs the machine data and the measurement data.
SENSOR, INFORMATION PROCESSING DEVICE, SENSOR CONTROL METHOD, INFORMATION PROCESSING METHOD AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM
The present disclosure is to enable simplification of processing for analyzing each sensor value. Provided is a sensor including a continuous excess detection part that detects a continuous excess state, which is a state where an absolute value of a sensor value exceeds a predetermined threshold value continuously for a predetermined period of time and a start specification part that specifies an operation start timing of a robot on the basis of a timing when the continuous excess state is detected.
MEASUREMENT SYSTEM AND METHOD THEREOF
A measurement system and method, which increases a degree of freedom for setting a measurement period and a transmission period of measurement values and has a high accuracy, are provided. The measurement system includes a control device and a measurement device that measures a measurement object in a first period and transmits measurement values obtained from the measurement device to the control device. The measurement device transmits the measurement values waiting to be transmitted and additional information including information of the number of the measurement values waiting to be transmitted to the control device using frames transmitted in a second period that is longer than the first period. The control device generates time series data in which the measurement values are arranged in time series using the additional information.
Optical measurement device
An optical measurement device configured for connection to an industrial network, the industrial network functioning to synchronize time between a master device and a slave device, the optical measurement device includes: an interface module configured to receive a synchronization signal transmitted on the industrial network from the master device within a fixed communication cycle; and a measurement unit configured to perform optical measurements in a measurement cycle. The measurement unit synchronizes when a measurement is taken with the communication cycle in accordance with the synchronization signal received by the interface module.
Method for temporal synchronization between an automatic movement means and a contactless detection means arranged on said automatic movement means
A method for temporal synchronization between an automatic movement device and a contactless detection device arranged on the automatic movement device in order to measure a physical parameter along at least one and the same defined trajectory along the surfaces of a plurality of materials to be evaluated.
CONTROL DEVICE
This control device is equipped with: a primary data retention unit for storing, for an interval equivalent to one control period, data to be retained in the control device; a collection settings retention unit which refers to the primary data retention unit and stores a settings channel; a data retention unit which has collection channels for storing the data collected from the control device, each of the collection channels having a queue structure for reading the data in the order in which the data was added; and a data collection calculation unit for reading the settings channel from the collection settings retention unit, reading the data corresponding to the data ID in the settings channel from the primary data retention unit, and executing data collection processing for writing the data read from the primary data retention unit to the desired channel in the data retention unit.
Data collection apparatus and data collection program
Provided are a first storage unit 411b configured to store the data which are transmitted among the control apparatuses 21 to 24; a group selector 414a configured to divide the memory area in the first storage unit 411b into multiple groups, to further divide the memory area in each group into multiple subgroups, and to select at least one divided subgroups as a collection group, which is a unit to continuously read data in the group; a schedule generator 414b configured to generate the schedule, on the basis of the number of subgroups selected as each collection group and the collection cycle for the data collection; and a data reader 414e configured to read the data on the basis of the generated schedule.
Communication system
A communication system includes a sensor apparatus transmitting a sensor signal including detection information of a detection target as a digital signal and a microcomputer receiving the sensor signal through a signal line and performing a control operation at a predetermined operation cycle based on the sensor signal that is received. The microcomputer transmits, to the sensor apparatus, a synchronization signal which is synchronized with the predetermined operation cycle of the microcomputer. The sensor apparatus transmits the sensor signal at a predetermined constant cycle except when the synchronization signal transmitted by the microcomputer is received. The sensor apparatus changes a transmission timing of the sensor signal corresponding to the synchronization signal when the synchronization signal transmitted by the microcomputer is received.