WO2020096074A1 - Procédé et système de commande d'une commutation entre des fils multiplexés par détection de déconnexion, multiplexage de fils de signal - Google Patents

Procédé et système de commande d'une commutation entre des fils multiplexés par détection de déconnexion, multiplexage de fils de signal Download PDF

Info

Publication number
WO2020096074A1
WO2020096074A1 PCT/KR2018/013355 KR2018013355W WO2020096074A1 WO 2020096074 A1 WO2020096074 A1 WO 2020096074A1 KR 2018013355 W KR2018013355 W KR 2018013355W WO 2020096074 A1 WO2020096074 A1 WO 2020096074A1
Authority
WO
WIPO (PCT)
Prior art keywords
current
original signal
signal
relay
voltage
Prior art date
Application number
PCT/KR2018/013355
Other languages
English (en)
Korean (ko)
Inventor
이정우
이종득
이효준
최영호
김효곤
Original Assignee
한국로봇융합연구원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국로봇융합연구원 filed Critical 한국로봇융합연구원
Publication of WO2020096074A1 publication Critical patent/WO2020096074A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
    • G05B19/4144—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller characterised by using multiplexing for control system
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices

Definitions

  • the present invention relates to a device capable of multiplexing input / output lines of analog and digital signals used for measurement of sensors or controlling electronic devices in a general electronic control device including a robot into a plurality of wires, and to switch wires through disconnection detection, and a control method thereof will be.
  • Signal wires that are physically wired may be disconnected depending on the environment in which they are installed or the operation of the system including the device.
  • a device or device is included.
  • the digital signal line can be multiplexed by simply overlapping the wiring, but when the multiple strands of the analog signal line are bundled, the signal strength is changed by current and voltage distribution and abnormal information is transmitted.
  • the present invention multiplexes the input and output lines of analog and digital signals used for measurement of sensors or control electronic devices in a general electronic control device including a robot, and a device and a control method and system capable of switching wiring through disconnection detection I would like to suggest.
  • an apparatus for converting an original signal form into an analog current form and a receiver converting it into an original signal form and a control method thereof are proposed.
  • a circuit for controlling a multiplexing and controlling the transmission / reception unit for a single signal by connecting to multiple wirings is configured.
  • a circuit for detecting a disconnection current signal is simultaneously transmitted to all the multiplexed wirings, and a circuit for detecting the disconnection is checked at the same time. I want to reduce the amount of time.
  • a control method for switching between multiple wires comprising: a first step of inputting an original signal in the form of voltage or current to a first device; A second step in which the first device converts the original signal into a current form by using a voltage-to-current converter when the original signal is in a voltage form; A third step of converting the original signal converted into the current form or the original signal in the current form into a signal having a preset current range by using the second current-to-current converter. ; And a fourth step in which the first device transmits the original signal converted to a preset current range to a second device.
  • the preset current range may be 4-20 mA.
  • the step of inputting the original signal converted to the preset current range to a plurality of relays the step of inputting the original signal converted to the preset current range to a plurality of relays; And through control, only the first relay among the plurality of relays is connected, and the rest of the relays are opened.
  • the preset current range The original signal converted to can be transmitted to the second device.
  • the selection of the first relay may be performed by a demultiplexer method or a direct control method using an embedded controller.
  • the plurality of relays may be configured as at least one of a mechanical relay element and a solid state relay (SSR) element.
  • SSR solid state relay
  • each of the plurality of relays is disposed adjacent to each of the plurality of disconnection detection relays, and is electrically separated, and when the first relay is selected, the first relay among the plurality of disconnection detection relays
  • the adjacent relay for detecting the first disconnection may be open to the original signal converted to the preset current range.
  • the remaining disconnection detection relays disposed adjacent to the remaining relays are connected to the original signal converted into the preset current range, and the The original signal converted to the preset current range transmitted through the remaining disconnection detection relay may be transmitted to the input of the control controller, not the second device.
  • the The first device converts the original signal into a current form using a voltage-to-current converter, and converts the original signal converted into the current form or a current signal into a current form into a second current.
  • a current converter Current-to-Current Converter
  • the present invention multiplexes the input and output lines of analog and digital signals used for measurement of sensors or control electronic devices in a general electronic control device including a robot, and a device and a control method and system capable of switching wiring through disconnection detection Can be provided to the user.
  • a transmitting unit in order to transmit a signal through a long-distance wiring, may provide an apparatus for converting an original signal into an analog current, and a receiving unit for converting the original signal into an original signal.
  • a circuit for multiplexing and controlling the transmission / reception unit for one signal by connecting to multiple wirings can be configured.
  • a circuit for detecting a disconnection current signal is simultaneously transmitted to all the multiplexed wirings, and a circuit for detecting the disconnection is checked at the same time. You can reduce the time it takes.
  • the system including the electronic control is important for continuous operability, and the signal wiring can be multiplexed through the present invention, so that signals can be continuously transmitted even when the wiring is damaged, such as disconnection.
  • the present invention converts the form of a transmission signal into a current, it is possible to cope with long distance wiring.
  • the present invention is capable of quickly responding to the restoration of the wiring because disconnection detection is performed for all the wirings at once without selecting and inspecting various wirings.
  • FIG. 1 shows an example of a block diagram of a device applied to the present invention.
  • FIG. 2 is a diagram for explaining a process of transmitting a signal when the original electrical signal is in the form of a voltage in relation to the present invention.
  • FIG. 3 is a diagram for explaining a process of transmitting a signal when the original electricity is in the form of a current in relation to the present invention.
  • FIG. 4 is a flowchart illustrating a method of overcoming end-to-end transmission by overcoming attenuation of a signal when the original signal to be transmitted is in the form of a DC voltage in relation to the present invention.
  • FIG. 5 illustrates an example of a circuit for selecting a single wire and inspecting disconnection when there are multiple wires for various signals in connection with the present invention.
  • FIG. 6 is a flowchart illustrating a method of selecting one wiring and performing a disconnection inspection when there are multiple wirings for various signals in connection with the present invention.
  • FIG. 1 Prior to the detailed description of the present invention, an example of a block diagram of a device applied to the present invention will be described with reference to FIG. 1.
  • the device 100 includes a wireless communication unit 110, an audio / video (A / V) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, and a memory ( 160), an interface unit 170, a control unit 180, and a power supply unit 190.
  • FIG. 1 since the components illustrated in FIG. 1 are not essential, an apparatus having more or fewer components may be implemented.
  • the wireless communication unit 110 may include one or more modules that enable wireless communication between a device and a wireless communication system or between a device and a network in which the device is located.
  • the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short-range communication module 114, and a location information module 115. .
  • the broadcast receiving module 111 receives a broadcast signal and / or broadcast related information from an external broadcast management server through a broadcast channel.
  • the broadcast channel may include a satellite channel and a terrestrial channel.
  • the broadcast management server may mean a server that generates and transmits broadcast signals and / or broadcast-related information or a server that receives previously generated broadcast signals and / or broadcast-related information and transmits them to a device.
  • the broadcast signal may include a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, as well as a TV broadcast signal or a radio broadcast signal combined with a data broadcast signal.
  • the broadcast-related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider.
  • the broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.
  • the broadcast-related information may exist in various forms. For example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or an Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).
  • EPG Electronic Program Guide
  • DMB Digital Multimedia Broadcasting
  • ESG Electronic Service Guide
  • DVB-H Digital Video Broadcast-Handheld
  • the broadcast reception module 111 includes, for example, Digital Multimedia Broadcasting-Terrestrial (DMB-T), Digital Multimedia Broadcasting-Satellite (DMB-S), Media Forward Link Only (MediaFLO), and Digital Video Broadcast (DVB-H).
  • Digital broadcasting signals can be received using digital broadcasting systems such as -Handheld) and ISDB-T (Integrated Services Digital Broadcast-Terrestrial).
  • the broadcast receiving module 111 may be configured to be suitable for other broadcasting systems as well as the digital broadcasting system described above.
  • the broadcast signal and / or broadcast-related information received through the broadcast receiving module 111 may be stored in the memory 160.
  • the mobile communication module 112 transmits and receives wireless signals to and from at least one of a base station, an external device, and a server on a mobile communication network.
  • the wireless Internet module 113 refers to a module for wireless Internet access, and may be built in or external to a device.
  • Wireless Internet technology Wi-Fi
  • Wibro Wireless broadband
  • Wimax Worldwide Interoperability for Microwave Access
  • HSDPA High Speed Downlink Packet Access
  • the short-range communication module 114 refers to a module for short-range communication.
  • Bluetooth Bluetooth
  • Radio Frequency Identification RFID
  • IrDA Infrared Data Association
  • UWB Ultra-Wideband
  • ZigBee Wireless Fidelity
  • Wi-Fi Wireless Fidelity
  • the location information module 115 is a module for obtaining a location of a device, and a representative example thereof is a Global Position System (GPS) module.
  • GPS Global Position System
  • the A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, which may include a camera 121 and a microphone 122.
  • the camera 121 processes image frames such as still images or moving pictures obtained by an image sensor in a shooting mode.
  • the processed image frame may be displayed on the display unit 151.
  • the image frames processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110.
  • Two or more cameras 121 may be provided according to the use environment.
  • the microphone 122 receives an external sound signal by a microphone in a recording mode, a voice recognition mode, etc., and processes it as electrical voice data.
  • the processed voice data may be converted and output in a form that can be transmitted to the mobile communication base station through the mobile communication module 112.
  • Various noise reduction algorithms for removing noise generated in the process of receiving an external sound signal may be implemented in the microphone 122.
  • the user input unit 130 generates input data for a user to control the operation of the device.
  • the user input unit 130 may be configured with a key pad dome switch, a touch pad (static pressure / blackout), a jog wheel, a jog switch, or the like.
  • the sensing unit 140 detects the current state of the device, such as an open / closed state of the device, a position of the device, presence or absence of user contact, orientation of the device, acceleration / deceleration of the device, and generates a sensing signal for controlling the operation of the device.
  • the current state of the device such as an open / closed state of the device, a position of the device, presence or absence of user contact, orientation of the device, acceleration / deceleration of the device.
  • the sensing unit 140 may sense whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled with external devices, or the like.
  • the sensing unit 140 may include a proximity sensor 141.
  • the sensing unit 140 may further include an ultrasonic sensor 142.
  • the ultrasonic sensor 142 refers to a sensor using characteristics of ultrasonic waves, which are sounds of a high frequency (about 20 KHz or more) that are inaudible to the human ear.
  • Ultrasonic waves can be used for air, liquids, and solids. Because it has a high frequency and a short wavelength, it has a feature that can measure high resolution.
  • the output unit 150 is for generating output related to vision, hearing, or tactile sense, which includes a display unit 151, an audio output module 152, an alarm unit 153, a haptic module 154, and a projector module ( 155).
  • the display unit 151 displays (outputs) information processed by the device.
  • the display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display (flexible) display) and a 3D display.
  • LCD liquid crystal display
  • TFT LCD thin film transistor-liquid crystal display
  • OLED organic light-emitting diode
  • flexible display flexible display
  • Some of these displays may be of a transparent type or a light transmissive type so that the outside can be seen through them. This may be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparant OLED).
  • the rear structure of the display unit 151 may also be configured as a light transmissive structure. With this structure, the user can see an object located behind the device body through an area occupied by the display unit 151 of the device body.
  • Two or more display units 151 may be present depending on the implementation form of the device.
  • a plurality of display units may be spaced apart or integrally disposed on one surface of the device, or may be disposed on different surfaces.
  • the display unit 151 and a sensor that senses a touch operation form a mutual layer structure (hereinafter, referred to as a “touch screen”)
  • the display unit 151 may be used in addition to an output device. It can also be used as an input device.
  • the touch sensor may have a form of, for example, a touch film, a touch sheet, or a touch pad.
  • the touch sensor may be configured to convert changes in pressure applied to a specific portion of the display unit 151 or capacitance generated in a specific portion of the display unit 151 into an electrical input signal.
  • the touch sensor may be configured to detect not only the touched position and area, but also the pressure at the time of touch.
  • the control unit 180 can know which area of the display unit 151 has been touched, and the like.
  • the proximity sensor 141 may be disposed in an inner region of the device wrapped by the touch screen or near the touch screen.
  • the proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object present in the vicinity without mechanical contact using electromagnetic force or infrared rays.
  • Proximity sensors have a longer lifespan and higher utilization than contact sensors.
  • the proximity sensor examples include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive type proximity sensor, a magnetic type proximity sensor, and an infrared proximity sensor.
  • the touch screen When the touch screen is capacitive, it is configured to detect the proximity of the pointer due to a change in electric field according to the proximity of the pointer. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.
  • proximity touch an act of causing the pointer to be recognized as being located on the touch screen without being touched by the pointer on the touch screen
  • contact touch an act of actually touching the pointer on the screen.
  • the location on the touch screen that is a proximity touch with a pointer refers to a location where the pointer corresponds vertically to the touch screen when the pointer is touched close.
  • the proximity sensor detects a proximity touch and a proximity touch pattern (eg, proximity touch distance, proximity touch direction, proximity touch speed, proximity touch time, proximity touch position, proximity touch movement state, etc.). Information corresponding to the sensed proximity touch operation and proximity touch pattern may be output on the touch screen.
  • a proximity touch and a proximity touch pattern eg, proximity touch distance, proximity touch direction, proximity touch speed, proximity touch time, proximity touch position, proximity touch movement state, etc.
  • the audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a recording mode, a voice recognition mode, a broadcast reception mode, or the like.
  • the sound output module 152 may also output sound signals related to functions performed by the device.
  • the sound output module 152 may include a receiver, a speaker, and a buzzer.
  • the alarm unit 153 outputs a signal for notifying the occurrence of an event in the device.
  • the alarm unit 153 may output a signal for notifying the occurrence of an event by vibrating in a form other than a video signal or an audio signal, for example, vibration.
  • the video signal or audio signal may also be output through the display unit 151 or the audio output module 152, so that they 151 and 152 may be classified as part of the alarm unit 153.
  • the haptic module 154 generates various tactile effects that the user can feel.
  • a typical example of the tactile effect generated by the haptic module 154 is vibration.
  • the intensity and pattern of vibration generated by the haptic module 154 can be controlled.
  • vibrations may be synthesized and output or sequentially output.
  • the haptic module 154 is used for stimulation such as pin arrangement that vertically moves with respect to the contact skin surface, jet or suction power of air through a jet or intake, grazing on the skin surface, contact with an electrode, and electrostatic force.
  • Various tactile effects can be generated, such as an effect and an effect of reproducing a feeling of cold and warm using an element capable of absorbing heat or generating heat.
  • the haptic module 154 may not only deliver the tactile effect through direct contact, but may also be implemented so that the user can feel the tactile effect through muscle sensations such as fingers or arms. Two or more haptic modules 154 may be provided according to a configuration aspect of the device.
  • the projector module 155 is a component for performing an image project function using a device, and the same or at least a part of an image displayed on the display unit 151 according to a control signal of the controller 180 Other images can be displayed on an external screen or wall.
  • the projector module 155 generates a light source (not shown) that generates light (for example, laser light) for outputting an image to the outside, and generates an image to be output to the outside using light generated by the light source. It may include an image generating means (not shown), and a lens (not shown) for expanding and outputting the image at a certain focal length to the outside. In addition, the projector module 155 may include a device (not shown) that can adjust the image projection direction by mechanically moving the lens or the entire module.
  • the projector module 155 may be divided into a cathode ray tube (CRT) module, a liquid crystal display (LCD) module, and a digital light processing (DLP) module depending on the type of device of the display means.
  • the DLP module may be advantageous for miniaturization of the projector module 151 by expanding and projecting an image generated by reflecting light generated from a light source to a DMD (Digital Micromirror Device) chip.
  • DMD Digital Micromirror Device
  • the projector module 155 may be provided in the longitudinal direction on the side, front, or back of the device. Of course, it is natural that the projector module 155 may be provided at any position of the device if necessary.
  • the memory 160 may store programs for processing and control of the controller 180 and temporarily store input / output data (eg, messages, audio, still images, videos, etc.). You can also do The frequency of use for each of the data may also be stored in the memory unit 160. In addition, the memory unit 160 may store data related to various patterns of vibration and sound output when a touch is input on the touch screen.
  • the memory 160 is a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory, etc.), RAM (Random Access Memory, RAM), Static Random Access Memory (SRAM), Read-Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Programmable Read-Only Memory (PROM), magnetic memory, magnetic It may include a storage medium of at least one type of disk, optical disk. The device may operate in connection with a web storage that performs a storage function of the memory 160 on the Internet.
  • RAM Random Access Memory
  • SRAM Static Random Access Memory
  • ROM Read-Only Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • PROM Programmable Read-Only Memory
  • magnetic memory magnetic It may include a storage medium of at least one type of disk, optical disk.
  • the device may operate in connection with a web storage that performs a storage function of the memory 160 on the Internet.
  • the interface unit 170 serves as a passage with all external devices connected to the device.
  • the interface unit 170 receives data from an external device, receives power, transfers it to each component inside the device, or allows data inside the device to be transmitted to the external device.
  • wired / wireless headset port, external charger port, wired / wireless data port, memory card port, port for connecting devices equipped with an identification module, audio input / output (I / O) port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.
  • the identification module is a chip that stores various information for authenticating a device's usage rights, and includes a user identification module (UIM), a subscriber identification module (SIM), and a universal subscriber identity module (Universal Subscriber Identity Module). , USIM).
  • the device provided with the identification module (hereinafter referred to as 'identification device') may be manufactured in a smart card format. Therefore, the identification device can be connected to the device through a port.
  • the interface unit may be a passage through which power from the cradle is supplied to the device when the device is connected to an external cradle, or a passage through which various command signals input from the cradle by a user are transmitted to the mobile device. have.
  • Various command signals or power inputted from the cradle may be operated as signals for recognizing that the mobile device is correctly mounted on the cradle.
  • the controller 180 controls the overall operation of the device.
  • the controller 180 may also include a multimedia module 181 for multimedia playback.
  • the multimedia module 181 may be implemented in the controller 180, or may be implemented separately from the controller 180.
  • the controller 180 may perform a pattern recognition process capable of recognizing handwriting input or picture drawing input performed on the touch screen as text and images, respectively.
  • the power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power required for the operation of each component.
  • the embodiments described herein include application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • It may be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions.
  • the described embodiments may be implemented by the controller 180 itself.
  • embodiments such as procedures and functions described herein may be implemented as separate software modules. Each of the software modules may perform one or more functions and operations described herein.
  • Software code can be implemented in a software application written in an appropriate programming language. The software code may be stored in the memory 160 and executed by the controller 180.
  • Signal wires that are physically wired may be disconnected depending on the environment in which they are installed or the operation of the system including the device.
  • Digital signal lines can be multiplexed by simply overlapping the wiring, but analog signal lines are multiple strands. When the line of is tied, the signal strength is changed by the current and voltage distribution, and abnormal information is transmitted.
  • the electronic control device is connected to the sensor and the driving device by an electric wire.
  • a display panel is provided with a demultiplexing device for a plurality of wirings. Select each line to check if the DC voltage is supplied and repeat it for all wiring.
  • Application No. 1020130079281 ('Inspection apparatus and wiring and ledger inspection method using the same) has a plurality of demultiplexing switches connected to each of a plurality of data lines for wiring inspection, and for detecting wiring defects. It includes a wiring inspection device composed of a control switch that supplies a wiring inspection signal, and checks whether the wiring is defective by applying a voltage through the operation of the switch.
  • the invention disclosed in the prior art 4 replaces the existing demultiplexing / multiplexing device with a ring counter, automatically selects the wiring by a clock signal of a certain period, and the output terminal is configured to show the wiring state with a light-emitting diode (LED). This is to check for disconnection of simple wiring, not for transmission.
  • LED light-emitting diode
  • the multiplexing / demultiplexing method is used to select multiple wires for multiple signals.
  • the switch on-off method is used to check the disconnection of a wire by measuring whether a signal is transmitted while connecting and disconnecting the wiring of the transmitter and the receiver.
  • the original signal to be transmitted or the signal for inspection is used as it is, and this signal mainly applies the form of a digital square wave (low-high level signal) of DC voltage.
  • the transmitting and receiving unit for one signal is connected by a single wire, and there may be a switch in the middle, and when there are multiple wiring for multiple signals, a single wire can be selected to perform disconnection inspection. Have a circuit.
  • the present invention multiplexes input / output lines of analog and digital signals used for measurement of sensors or control electronic devices in a general electronic control device including a robot, and can switch wiring through disconnection detection.
  • a device and its control method and system We would like to propose a device and its control method and system.
  • an apparatus for converting an original signal form into an analog current form and a receiver converting it into an original signal form and a control method thereof are proposed.
  • a circuit for controlling a multiplexing and controlling the transmission / reception unit for a single signal by connecting to multiple wirings is configured.
  • a circuit for detecting a disconnection current signal is simultaneously transmitted to all the multiplexed wirings, and a circuit for detecting the disconnection is checked at the same time. I want to reduce the amount of time.
  • FIG. 2 is a diagram illustrating a process of transmitting a signal when the original electrical signal is in the form of a voltage in connection with the present invention. It is a diagram explaining the process.
  • FIG. 4 is a flowchart illustrating a method of overcoming end-to-end transmission by overcoming the attenuation of a signal when the original signal to be transmitted is in the form of a DC voltage in relation to the present invention.
  • the communication unit according to the present invention includes a transmission unit for transmitting information and a reception unit for receiving information, and a plurality of devices 100 according to the present invention may exist.
  • step (S11) in which the original signal in the form of a voltage is input to the transmitter of the first device is performed.
  • a step (S12) of converting the original signal into a current form by using a “Voltage-to-Current Converter” in the transmitter is performed.
  • a process of converting the form of the original signal into an analog current form in the transmitter and converting it into the form of the original signal is applied in the receiver.
  • step S12 the step of re-converting to a preset current range (electrical transmission standard 4 to 20 milliamperes) based on the 'Current-to-Current Converter' 210 is performed by the transmitter (S13). .
  • the range of the current to be converted may be a range of '4 to 20 milliamperes' (4 to 20 mA) used as an analog electrical transmission standard in industrial measurement and communication.
  • the converted signal or the original signal may be converted to a current range of 4 to 20 milliamperes by a 'Current-to-Current Converter' (210). .
  • converters of FIGS. 3 and 4 can be combined into one and applied to the system according to the present invention.
  • a step (S14) of transmitting the original signal in the form of an analog current to the receiver is performed by the transmitter of the first device.
  • a preset current range (electrical transmission standard 4 to 20 milliamperes) is applied based on the 'Current-to-Current Converter' at the receiver of the second device to form the current of the original signal.
  • a circuit for multiplexing and controlling the transmission / reception unit for a single signal by connecting to multiple wirings is configured.
  • the signal in the form of current is directly connected and connected with multiple wires, current distribution occurs according to the impedance of the wire, and the receiver cannot receive a normal signal.
  • a circuit using a mechanical relay or a semiconductor relay (SSR) is constructed.
  • FIG. 5 illustrates an example of a circuit for selecting a single wire and inspecting disconnection when there are multiple wires for various signals in connection with the present invention.
  • relay control signal 250 applied at the input of each wire, and one original signal is connected to the inputs of relays of various wires.
  • the relays of the various wires shown in FIG. 5 are connected only one at a time through control, and the rest of the relays are disconnected.
  • a demultiplexer method that is a background technology may be used, or it may be directly controlled by an embedded controller (180).
  • the circuit described in FIG. 5 may be applied.
  • a time delay occurs while inspecting the disconnection status of all multiplexed wires (time and current sensor required for wiring selection are current Time is included).
  • a circuit is configured to simultaneously transmit and detect a disconnection detection current signal to all multiplexed wires.
  • the range of the current signal 240 for disconnection detection may select any value within 4 to 20 milliamperes.
  • the relay for transmitting the original signal 230 uses the A contact type (NO: Normal Open), and the relay for the current signal transmission for disconnection detection uses the B contact type (NC: Normal Close).
  • the outputs of the two relays are physically connected, and at the same time, control is made so that the two relays are not in contact and connected.
  • the relay for transmitting the original signal is closed (contacted), and the relay for transmitting the current signal for disconnection detection is opened to transmit only the original signal.
  • the relay for transmitting the original signal is opened and the relay for detecting the disconnection is closed, so that the current for detecting the disconnection flows simultaneously.
  • the current measurement sensor can measure the current state of all the wires in one moment.
  • the outputs of the current measurement sensors mounted on all wires are simultaneously received and processed as inputs of the built-in control controller.
  • the receiving unit receives the original signal through the opposite process.
  • FIG. 6 illustrates a method of selecting a single wire and performing a disconnection test when there are multiple wires for various signals.
  • a step (S21) of opening a relay for transmitting the original signal 230 of all wires and closing (contacting) the relay for transmitting the signal 240 for detecting a disconnection is performed.
  • step (S22) in which a current for detecting a disconnection flows through all the wirings proceeds.
  • the built-in controller 180 reads the current sensors mounted on all the wires, continuously monitors whether the wires are disconnected, and executes a step S23 in which an iterative loop is executed to record a list of normal wires.
  • the built-in controller 180 sequentially or randomly selects one wire from the list of normal wires (S24), and transmits a relay control signal of the wire, thereby opening a relay for signal transmission for disconnection detection and displaying the original signal ( 230) Step S25 of closing the relay for transmission is performed.
  • step S25 the built-in controller 180 checks whether the currently connected wiring is disconnected (S26), and if it is determined that it is disconnected, relays are controlled by sequentially or randomly selecting one wiring from the list of normal wirings.
  • Step S27 is performed by sending a signal to open the relay of the disconnected wiring and closing the relay of the selected normal wiring.
  • the built-in controller 180 communicates with the outside to transmit the disconnection detection state of all the wires (S28).
  • the present invention multiplexes the input and output lines of analog and digital signals used for measurement of sensors or control electronic devices in a general electronic control device including a robot, and a device and a control method and system capable of switching wiring through disconnection detection Can be provided to the user.
  • a transmitting unit in order to transmit a signal through a long-distance wiring, may provide an apparatus for converting an original signal into an analog current, and a receiving unit for converting the original signal into an original signal.
  • a circuit for multiplexing and controlling the transmission / reception unit for one signal by connecting to multiple wirings can be configured.
  • a circuit for detecting a disconnection current signal is simultaneously transmitted to all the multiplexed wirings, and a circuit for detecting the disconnection is checked at the same time. You can reduce the time it takes.
  • the system including the electronic control is important for continuous operability, and the signal wiring can be multiplexed through the present invention, so that signals can be continuously transmitted even when the wiring is damaged, such as disconnection.
  • the present invention converts the form of a transmission signal into a current, it is possible to cope with long distance wiring.
  • the present invention is capable of quickly responding to the restoration of the wiring because disconnection detection is performed for all the wirings at once without selecting and inspecting various wirings.
  • embodiments of the present invention can be implemented through various means.
  • embodiments of the present invention may be implemented by hardware, firmware, software, or a combination thereof.
  • the method according to embodiments of the present invention includes one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs) , Field Programmable Gate Arrays (FPGAs), processors, controllers, microcontrollers, microprocessors, and the like.
  • ASICs Application Specific Integrated Circuits
  • DSPs Digital Signal Processors
  • DSPDs Digital Signal Processing Devices
  • PLDs Programmable Logic Devices
  • FPGAs Field Programmable Gate Arrays
  • processors controllers, microcontrollers, microprocessors, and the like.
  • the method according to embodiments of the present invention may be implemented in the form of a module, procedure, or function that performs the functions or operations described above.
  • the software code can be stored in a memory unit and driven by a processor.
  • the memory unit is located inside or outside the processor, and can exchange data with the processor by various known means.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

La présente invention concerne un dispositif qui peut multiplexer, dans une pluralité de fils, des lignes d'entrée/sortie de signal analogique et numérique utilisées pour commander un dispositif électronique ou mesurer par un capteur dans un dispositif électronique de commande classique, tel qu'un robot, et permet une commutation de fil au moyen d'une détection de déconnexion, et un procédé de commande de celui-ci. Un procédé de commande de commutation entre des fils multiplexés selon un aspect de la présente invention peut comprendre : une première étape dans laquelle un signal source sous la forme d'une tension ou d'un courant est entré dans un premier dispositif; une deuxième étape dans laquelle le premier dispositif convertit le signal source sous forme de courant au moyen d'un convertisseur de tension en courant si le signal source est sous la forme d'une tension; une troisième étape dans laquelle le premier dispositif convertit le signal source qui a été converti en courant ou un signal source sous la forme d'un courant en un signal dans une plage de courant prédéfinie au moyen d'un second convertisseur de courant en courant; et une quatrième étape dans laquelle le premier dispositif transmet le signal source qui a été converti dans la plage de courant prédéfinie au second dispositif.
PCT/KR2018/013355 2018-11-05 2018-11-06 Procédé et système de commande d'une commutation entre des fils multiplexés par détection de déconnexion, multiplexage de fils de signal WO2020096074A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0134321 2018-11-05
KR1020180134321A KR102184669B1 (ko) 2018-11-05 2018-11-05 신호 배선의 다중화 및 단선감지에 의한 다중 배선 간 전환 제어방법 및 시스템

Publications (1)

Publication Number Publication Date
WO2020096074A1 true WO2020096074A1 (fr) 2020-05-14

Family

ID=70611338

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/013355 WO2020096074A1 (fr) 2018-11-05 2018-11-06 Procédé et système de commande d'une commutation entre des fils multiplexés par détection de déconnexion, multiplexage de fils de signal

Country Status (2)

Country Link
KR (1) KR102184669B1 (fr)
WO (1) WO2020096074A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009168530A (ja) * 2008-01-11 2009-07-30 Mitsubishi Heavy Ind Ltd 出力対象の信号状態診断装置
KR20130061480A (ko) * 2011-12-01 2013-06-11 삼성디스플레이 주식회사 배선 및 역다중화부의 불량 검출 방법, 불량 검출 장치 및 불량 검출 장치를 포함하는 표시 패널
KR20140062306A (ko) * 2012-11-14 2014-05-23 엘에스산전 주식회사 단선 검출이 가능한 전류 드라이버
KR20150005375A (ko) * 2013-07-05 2015-01-14 삼성디스플레이 주식회사 검사 장치와, 이를 이용한 배선 및 원장 검사 방법
KR20150131007A (ko) * 2013-03-19 2015-11-24 니혼덴산리드가부시키가이샤 절연 검사 방법 및 절연 검사 장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3285568B2 (ja) 1999-05-24 2002-05-27 日本電産リード株式会社 基板の配線検査装置および配線検査方法
KR20110127807A (ko) 2010-05-20 2011-11-28 양석원 산청목과 홍삼이 함유된 막걸리의 제조방법
US9610310B2 (en) 2011-12-30 2017-04-04 Korea Research Institute Of Bioscience And Biotechnology Pharmaceutical composition for preventing or treating inflammatory diseases or asthma, containing lagerstroemia ovalifolia extract or fraction thereof as active ingredient

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009168530A (ja) * 2008-01-11 2009-07-30 Mitsubishi Heavy Ind Ltd 出力対象の信号状態診断装置
KR20130061480A (ko) * 2011-12-01 2013-06-11 삼성디스플레이 주식회사 배선 및 역다중화부의 불량 검출 방법, 불량 검출 장치 및 불량 검출 장치를 포함하는 표시 패널
KR20140062306A (ko) * 2012-11-14 2014-05-23 엘에스산전 주식회사 단선 검출이 가능한 전류 드라이버
KR20150131007A (ko) * 2013-03-19 2015-11-24 니혼덴산리드가부시키가이샤 절연 검사 방법 및 절연 검사 장치
KR20150005375A (ko) * 2013-07-05 2015-01-14 삼성디스플레이 주식회사 검사 장치와, 이를 이용한 배선 및 원장 검사 방법

Also Published As

Publication number Publication date
KR20200051871A (ko) 2020-05-14
KR102184669B1 (ko) 2020-12-01

Similar Documents

Publication Publication Date Title
WO2012111873A1 (fr) Procédé et dispositif de charge sans fil
WO2015115774A1 (fr) Dispositif d'éclairage intérieur, système d'éclairage intérieur, et son procédé de fonctionnement
WO2016068397A1 (fr) Dispositif numérique et son procédé de commande
WO2012091185A1 (fr) Dispositif d'affichage et procédé fournissant une réaction suite à des gestes de ce dispositif
WO2015012449A1 (fr) Dispositif électronique et son procédé de commande
WO2012020863A1 (fr) Terminal mobile/portable, dispositif d'affichage et leur procédé de commande
WO2012020864A1 (fr) Terminal mobile, dispositif d'affichage et leur procédé de commande
WO2013058423A1 (fr) Dispositif électronique et procédé servant à commander le dispositif électronique
WO2013100250A1 (fr) Dispositif électronique et son procédé de commande
WO2019078617A1 (fr) Appareil électronique et procédé de reconnaissance vocale
WO2015012451A1 (fr) Dispositif électronique
WO2018190637A1 (fr) Procédé d'établissement d'une liaison de communication d'un dispositif et appareil associé
WO2015102148A1 (fr) Terminal du type bande de cou
WO2015115698A1 (fr) Dispositif portatif et procédé de commande associé
WO2020017882A1 (fr) Système comprenant plusieurs dispositifs d'affichage et procédé permettant de commander ledit système
WO2016032039A1 (fr) Appareil pour projeter une image et procédé de fonctionnement associé
WO2019013448A1 (fr) Connecteur optique et procédé de commande d'appareil d'affichage
WO2021132743A1 (fr) Dispositif électronique permettant d'afficher un contenu portant sur une application et son procédé de commande
WO2016035950A1 (fr) Dispositif numérique et son procédé de commande
WO2020096139A1 (fr) Dispositif d'amortissement pour équipement de prise de vues auquel sont appliqués divers composants d'amortissement absorbant les vibrations
EP3020136A1 (fr) Procédé de commande d'un mode de fonctionnement et dispositif électronique associé
WO2020096074A1 (fr) Procédé et système de commande d'une commutation entre des fils multiplexés par détection de déconnexion, multiplexage de fils de signal
WO2023090863A1 (fr) Dispositif électronique et son procédé de commande
WO2018004061A1 (fr) Procédé de commande tactile dans un jeu de simulation mobile en temps réel
WO2013141517A1 (fr) Dispositif de commande et procédé de mise en œuvre de ce dispositif, et serveur et procédé de mise en œuvre de ce serveur

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18939714

Country of ref document: EP

Kind code of ref document: A1