153 results about "Remote control command" patented technology

The invention relates to the technical field of fault prediction and health management, in particular to a primary and secondary fusion complete ring main unit fault diagnosis method and system. Comprising the following steps: acquiring three-phase instantaneous voltage and current signals in real time, and converting the signals into digital transient data; performing time window preprocessing on the digital transient data, and executing wavelet packet decomposition to generate a transient feature vector; calculating and analyzing the transient feature vector through a transient zero-sequence power direction method and a support vector machine model to generate a local diagnosis result; when the local diagnosis result is that cooperative positioning needs to be started, a transient current similarity coefficient and a transient waveform intensity difference coefficient are calculated based on the digital transient data, and a comprehensive positioning result is generated; determining a fault line according to the comprehensive positioning result, and generating a remote control command; and executing a fault isolation operation based on the remote control command, and executing a PHM process. According to the method, the double local transient diagnosis and the cross-terminal cooperative positioning are deeply fused, so that the high-precision determination of the boundary of the fault section is realized.

The invention provides a satellite-borne routing telemetering and remote control method based on a multi-thread framework, which comprises the following steps: a satellite-borne routing telemetering and remote control system adopts the multi-thread framework to realize parallel processing: a telemetering acquisition thread is used for acquiring system telemetering data by taking per second as a period and storing the telemetering data into a memory according to an EPDU (Extended Protocol Data Unit) coding format; the remote control execution thread is used for circularly monitoring a task queue, analyzing and executing an instruction when a remote control instruction task exists in the queue, and feeding back an execution state to the telemetry data storage memory; the time synchronization thread is used for continuously monitoring the PPS and performing microsecond-level calibration on the system time in combination with the received time broadcast frame; the main thread is used for monitoring GPIO interrupt events in real time. According to the invention, the EPDU data coding format and CAN protocol split data transmission are supported, the reliability is improved through hardware redundancy, software redundancy and a data verification mechanism, and the technical problems of on-orbit real-time control and high fault tolerance requirements of satellite-borne routing equipment are solved.

The invention relates to the technical field of robots, in particular to a mobile robot remote operation system and method based on mixed reality, and the method comprises an operator end and a robot end, the operator end completes a complex remote operation task based on visual feedback provided by a man-machine cooperation interaction interface, and the robot end completes a remote operation task based on visual feedback provided by the man-machine cooperation interaction interface. The virtual reality controller integrates a motion state and an operation mode of the mobile robot, and the mixed reality server generates visual feedback according to visual information of a remote operation visual angle of the mobile robot; the robot end comprises a mobile robot, a collection device on the mobile robot and a robot server, and after the mobile robot receives a remote control instruction sent by the virtual reality controller to the robot end, posture and button information of the mobile robot are input into the robot server to drive the mobile robot to move. Therefore, the problems of low real-time performance and accuracy of remote control, poor operation efficiency and flexibility and the like caused by limitation of bandwidth and system time delay in related technologies are solved.

A method for avoiding strong light irradiation of a low-orbit spacecraft comprises the steps that 1, a low-orbit satellite starts ground strong light detection according to task requirements, and obtained detection telemetry information is sent to an on-satellite processing unit in real time; 2, the on-satellite processing unit judges and detects the effectiveness of the telemetry information; 3, the on-satellite processing unit interprets strong light energy and azimuth vector information, and obtains the current task state of the satellite, the solar wing attitude pointing information and the optical load pointing information at the same time; 4, evaluating the energy intensity of the strong light, judging the damage capability to the optical load and the solar wing, and carrying out corresponding operation; 5, after autonomous attitude avoidance and optical load pointing adjustment are completed, whether the strong light energy is eliminated or not continues to be judged; and after the strong light irradiation threat is relieved, the satellite-borne processing unit receives a ground remote control instruction and starts a new task. According to the method, the low-orbit satellite can avoid the threat of strong light, and the current situation that the current satellite has no prevention and resistance capability in orbit is changed.

The invention discloses a satellite-borne router exception recovery system and method based on multistage redundancy, and supports the construction of intra-satellite, inter-satellite and satellite-ground data link communication schemes in a satellite constellation communication scene. The system-level recovery method based on multi-level redundancy is designed for various abnormal scenes faced by a satellite-borne router in a satellite operation environment, and in combination with telemetering state judgment and remote control instruction issuing, in-orbit recovery of data link communication service availability is achieved. Abnormalities related to the guiding system can be recovered through modes of redundant system switching, double-flash configuration synchronization, on-orbit system updating and the like. Abnormalities related to a network operating system can be recovered through self-adaptive network configuration reloading, system switching based on GPIO (General Purpose Input / Output) monitoring, redundant system switching, on-orbit system updating and the like. According to the satellite-borne router abnormity recovery method constructed based on the invention, a single device can be combined to generate 16 system recovery routes, and the availability of a satellite constellation data link communication service is improved.

The invention relates to the technical field of aerospace engineering, in particular to a satellite on-orbit cold start monitoring system, which comprises a nonvolatile memory module, an MRAM (Magnetic Random Access Memory) memory, a Nor Flash memory, a Nor Flash memory module, a Nor Flash memory module and a Nor Flash memory module, according to the parallel storage control module, an MRAM manager manages the storage address and state of a cold start log through a storage interface index table, and a Flash manager writes cold start duration data into a Nor Flash storage area; the cold start monitoring module is used for loading an operating system target code to a memory from a Nor Flash storage area in a two-out-of-three mode, repairing data according to word level two-out-of-three when verification fails, and triggering the time synchronization module and a main node clock to correct time when a cold start mark is set; and the communication module is used for analyzing the ground remote control instruction, packaging the cold start parameter into a telemetering frame, and injecting the telemetering frame into a ground measurement and control system. The method can ensure that data are not lost after the satellite is powered off, effectively monitors the cold start frequency and duration parameters, and supports a ground measurement and control system to monitor and analyze the satellite in-orbit state.

The invention discloses a time synchronization method and device applied between a ground control center and a low-orbit communication satellite, and aims to solve the technical problem that a satellite loses the time synchronization capability due to the failure of a global navigation satellite system (GNSS) component in the prior art. The method comprises the following steps: when a GNSS component works normally, a low-orbit satellite is mainly used for GNSS timing; and when the GNSS component is detected to be invalid or the signal is not stable, the system is automatically switched to a standby calibration mode. In the standby mode, the method utilizes a remote control instruction sent by a ground control center or a ground timestamp attached in a data packet, and combines a time drift prediction model constructed based on historical correction data to perform high-precision correction on a satellite local clock. By supporting a multi-mode time calibration strategy, the fault-tolerant capability and the time synchronization precision of the system under an extreme working condition are remarkably improved, so that the risk caused by time asynchronization in satellite task execution is reduced.

The invention provides a communication satellite verification system based on a general virtual test environment. The communication satellite verification system comprises a service subsystem and virtual test equipment, the service subsystem comprises a power supply and distribution subsystem ground device, a measurement and control and comprehensive electronic subsystem ground device, a thermistor equivalent device, a general control device with an MTP server and the like, and the general control device is responsible for telemetering data processing and remote control instruction scheduling; and the virtual test equipment is connected with the service subsystem, is used for simulating a satellite-borne software operation environment and a satellite-borne load to form a closed-loop test, comprises a plurality of simulation modules such as orbit and attitude dynamics, and respectively realizes orbit attitude parameter calculation, software code operation simulation and circuit box function simulation so as to test a satellite or a verification platform. The invention further provides a satellite-borne software verification method. Therefore, communication satellite verification can be carried out under the virtual condition, the test comprehensiveness can be ensured, and the test cost can be reduced.

This invention discloses a comprehensive identification test device and method based on software-defined radio technology, belonging to the field of avionics equipment testing. The device includes: a core processing and control unit, employing a multi-channel high-speed AD / DA and MPSoC FPGA architecture, supporting concurrent operation of various conventional aircraft identification functions through multiple internally integrated models; a radio frequency transceiver module, connected to the core processing and control unit, used for digital frequency conversion and analog-to-digital conversion of signals; a high-power radio frequency front-end component, internally equipped with multi-stage attenuation circuits and isolation devices, used for physical isolation and filtering attenuation of transmitted and received signals, ensuring its power covers the dynamic range of airborne received signals; and a remote control interface for receiving remote control commands to achieve automated test linkage. This invention allows direct connection to test the receiving performance of airborne equipment without the need for external high-power accessories, achieving a high degree of integration and automation of the test equipment, significantly improving detection and troubleshooting efficiency.

The application provides a remote device performance test method, device, system, equipment and storage medium. The method comprises the following steps: according to secondary device locking state information of a pre-configured secondary device locking strategy, controlling a secondary device simulation module to simulate state information when a locking operation is triggered; sending a remote control command to a to-be-tested remote device through a master station simulation module, obtaining execution data of the remote control command and feeding back; after receiving the execution data of the remote control command, when the execution data of the remote control command is a remote control failure, determining that locking anti-misoperation performance of the to-be-tested remote device meets locking logic requirements of the secondary device locking strategy. In the embodiment, an actual working environment of the to-be-tested remote device can be simulated, so that the locking anti-misoperation performance of the to-be-tested remote device is quickly determined according to execution of the remote control command, automatic testing of the locking anti-misoperation performance of the to-be-tested remote device is realized, and the performance test efficiency is effectively improved.

This application discloses a method, apparatus, device, and storage medium for remote device control. The method includes: responding to a remote control trigger operation, determining a target remote control mode based on the trigger position corresponding to the remote control trigger operation, the current default mode, and the current mouse state; if the target remote control mode is a touch screen control mode, calculating a target page scroll offset based on touch screen operation data; comparing the page scroll offset threshold corresponding to the touch screen control mode with the target page scroll offset to determine the final page scroll offset and generating a touch screen remote control command; if the target remote control mode is a mouse control mode, determining mouse operation data based on the remote control trigger operation and generating a mouse remote control command based on the mouse operation data, which can improve the flexibility of remote device control methods and the efficiency of remote control operations.

This invention relates to the field of industrial valve technology. It discloses an intelligent manual ball valve with electronic locking function, comprising a valve body, a valve ball, a valve stem, and a handle, and further including an electronic locking unit located above or to the side of the valve stem. The electronic locking unit includes a housing, a locking mechanism located within the housing, an electric actuator, and a control module. The locking mechanism restricts the rotation of the handle relative to the valve body in the locked state. The electric actuator drives the locking mechanism to switch between locked and unlocked states. The control module is electrically connected to the electric actuator and an external signal interface. The control module is configured to output a drive signal to the electric actuator based on control information from at least one local authorized operation, remote control command, and process interlock signal, thereby controlling the locking mechanism to switch between locked and unlocked states, thus achieving electronic locking and unlocking of the handle. The valve opening and closing actions are completed by the operator through manual rotation of the handle.

A multifunctional integrated ground testing system for spaceborne equipment is disclosed, covering the multifunctional testing field of spaceborne equipment. It provides reliable support for the functional performance testing of spaceborne equipment. The system includes an integrated management module, a telemetry and data processing unit, an interface forwarding simulator, a Ka-band converter, an RF link network, an interface forwarding network, and power supply equipment. Adopting a modular design, it features data interaction between the various components of the integrated ground testing system, human-machine interaction, remote control command parsing and distribution, telemetry information parsing, display and storage, health information monitoring, and dynamic signal simulation parameter calculation and distribution. This system solves major problems such as the limited number of connected spaceborne equipment and the single nature of functional performance test items, providing reliable and stable technical support for the ground testing of spaceborne equipment.

This invention relates to a method and system for handling abnormal scenarios of remote control commands for commercial vehicles. The method includes the following steps: a vehicle networking platform acquires real-time vehicle information of the commercial vehicle and abnormal scenario areas within the commercial vehicle's operating area. The vehicle information includes at least vehicle location, driving direction, and signal quality. Based on the vehicle information and the abnormal scenario area, it is determined whether the conditions for issuing remote control commands are met. If so, the vehicle networking platform issues a remote control command to the vehicle networking terminal. The vehicle networking terminal executes the configuration information in the remote control command and, after execution, determines whether to issue a control command to the vehicle control unit based on the reported vehicle location status. This invention can avoid affecting the issuance and execution of remote control commands in abnormal scenario areas, ensuring the continuity of vehicle control and the normal operation of the vehicle.

The invention belongs to the field of vehicle control, and discloses a vehicle remote control method and system and electronic equipment, and the method comprises the steps: receiving a data frame transmitted by a transmitting end; the data frame comprises a lead code and a data segment; a first interval exists between the lead code and the data segment, and the duration of the first interval is greater than or equal to the execution time of the boot loader; executing a boot loader when the preamble is received; and when the data segment is received, executing the remote control command in the data segment. According to the invention, the first interval is introduced between the lead code and the data segment, and the duration of the first interval is greater than or equal to the execution time of the boot loader, so that the receiving end can completely execute the boot loader before the data segment is transmitted; therefore, the problem of data loss caused by the fact that a boot loader is not completed in a traditional RKE system is thoroughly avoided, the communication reliability is improved, and the possibility of function failure or safety risk caused by data loss is reduced.

This application discloses a remote start-stop control system and method for ships, including a ship-end system and a shore-end system. The ship-end system includes: a ship-end sensing unit for acquiring ship status information and execution result data; a ship-end communication unit for uploading ship status information and execution result data to the shore-end system and receiving remote control commands; and a ship-end control unit for performing preparation control, start control, and stop control of the ship's power system according to the remote control commands. The shore-end system includes: a shore-end control unit for receiving remote control commands; a shore-end communication unit for receiving ship status information and execution result data and issuing remote control commands; and a shore-end display unit for displaying ship status information, remote control commands, and execution result data. This application can reduce the system's reliance on manual labor, improve its intelligence, operational efficiency, and reliability, and can be widely applied in the field of ship control technology.

The invention discloses an edge gateway master and slave station system test method and system, and relates to the technical field of power system automation, and the method comprises the steps: initiating a tcp connection request to an edge gateway slave station, so as to establish tcp network connection between an edge cluster master station and the edge gateway slave station; acquiring an authentication request message initiated by the edge gateway substation, and verifying the authentication request message; if the verification of the authentication request message is passed, sending an authentication response message to the edge gateway substation, so that the edge gateway substation verifies the authentication response message; after the verification of the authentication response message is passed, acquiring an authentication confirmation message sent by the edge gateway substation; issuing a test command to the edge gateway substation based on the authentication confirmation message; the test command comprises at least one of a remote control command, a container management command and a data subscription command. According to the invention, the technical problem of weak communication security protection of the existing edge gateway master and slave station test system is relieved.

The invention discloses a unique identifier generation method and system for a satellite remote control instruction, and belongs to the field of aerospace craft measurement and control communication. The method comprises the following steps: pre-configuring the same seed value at a satellite end and a ground end; when the ground end generates any remote control instruction, a specified deterministic UUID generation algorithm is adopted, and a unique identifier is generated according to the seed value and the serial number of the remote control instruction; after the satellite end receives the remote control instruction and analyzes a remote control sequence counter, a deterministic UUID generation algorithm which is the same as that of the ground end is adopted, and a unique identifier is generated according to the same seed value and the serial number of the remote control instruction; and cross-system full-process association is realized through the unique identifier between the ground end and the satellite end. According to the method, no link bandwidth overhead is increased, SHA / MD5 / HMAC calculation can be completed by occupying tiny calculation resources, and the requirements for high reliability and high consistency of spaceflight are met.

The application discloses a satellite remote control instruction unique identification generation method and system, and belongs to the field of space flight vehicle measurement and control communication.The method comprises the following steps: configuring the same seed value in advance at the satellite end and the ground end; when generating any remote control instruction, the ground end generates a unique identification according to the seed value and the serial number of the remote control instruction by using a specified deterministic UUID generation algorithm; after receiving the remote control instruction and analyzing the remote control sequence counter, the satellite end generates a unique identification according to the same seed value and the serial number of the remote control instruction by using the same deterministic UUID generation algorithm as the ground end; and the unique identification between the ground end and the satellite end is used to realize cross-system full-process association.The application does not increase any link bandwidth cost, can complete SHA / MD5 / HMAC calculation by occupying a small amount of computing resources, and meets the requirements of high reliability and high consistency in spaceflight.

Systems and methods for remote power tool control are provided. In one example, a battery pack is coupled to a power tool device. The battery pack includes a pack transceiver and a pack electronic processor. The pack electronic processor is coupled to the pack transceiver and is configured to determine that the power tool device is remotely controllable. The pack electronic processor is further configured to receive, wirelessly via a pack transceiver of the battery pack, a remote control command from a mobile device, and to provide the remote control command to the power tool device. The system further includes a tool electronic processor of the power tool device in communication with the pack electronic processor. The tool electronic processor is configured to control the power tool device to perform an action specified by the remote control command in response to receiving the remote control command.

The invention generally relates to a vehicle and a method of operating the vehicle. The vehicle comprises at least one sensor device and a control device connected to the sensor device. The sensor device acquires at least environmental data of the vehicle. A remote control command of a vehicle user triggers an automatic parking maneuver. The control device is configured to determine whether the automatic parking maneuver is an off-parking maneuver or an in-parking maneuver based at least on the acquired environmental data. If the automatic parking operation is the operation of leaving the parking space, the control equipment triggers a starting command. The vehicle is not shut down due to the start command. Alternatively, if the automatic parking maneuver is a parking space entry maneuver, the control device triggers a closing command. The vehicle is shut down due to the shut down command.

A self-adaptive frequency hopping RKE secure communication method, system, device and medium, the method of which comprises the following steps: initializing the self-adaptive frequency hopping RKE secure system; establishing a communication connection; authenticating the identity of the vehicle and the key; selecting a self-adaptive frequency hopping channel; transmitting control instructions after encryption; updating certificates; on the basis of the widely used rolling code RKE system, a self-adaptive frequency hopping scheme is proposed to transmit signals to avoid interference from signals on the same channel; an encryption scheme for radio frequency signals is proposed to solve the problem that the vehicle cannot execute remote control commands due to signal interference, and to avoid recording signals for password analysis, thereby further improving the confidentiality of communication; a lightweight one-way authentication protocol based on digital certificates is designed to authenticate the vehicle and the key, ensuring the authenticity and integrity of the control instructions, thereby enhancing the security of the entire system.

Remote-controlled lighting system (100), characterized in that it comprises a remote control (11), at least one lighting device (12) and a control unit (13) provided for each lighting device (12); wherein the control unit (13) comprises a main control unit (131), a DIP switch assembly (132) connected to the main control unit (131) and a wireless communication unit (133), wherein the DIP switch assembly (132) comprises several tap switches and is configured to establish a unique identification identifier for the corresponding lighting device (12);wherein the remote control (11) is wirelessly connected to the wireless communication unit (133), wherein the remote control (11) is provided with setting buttons (111) and several step selection buttons (112), the number of which corresponds to the number of step switches, wherein each step selection button (112) is configured to send a target step remote control command to the main control unit (131) which contains a corresponding button identifier, wherein the main control unit (131), if the button identifier in the target step remote control command received by the main control unit (131) matches the current identity identifier of the corresponding lighting device (12), responds to a setting command of the setting buttons (111) in order to control the corresponding lighting device (12) to perform a corresponding lighting operation, and otherwise does not respond to the setting command of the setting buttons (111).

The invention relates to the technical field of intelligent power grids, in particular to an intelligent monitoring system and method for an intelligent insulation power distribution cabinet, and the system comprises a local signal obtaining module which is used for obtaining the multi-dimensional state data of a local circuit; the associated signal receiving module is used for synthesizing network side operation reference data representing the macroscopic working condition of the power grid; the remote indication signal generation module is used for performing feedforward decoupling operation on local data so as to peel off self disturbance of a load, performing differential comparison on the local data and a network side operation reference, and generating remote regulation and control indication data capable of representing a real interaction state between a power grid and a local node; and the remote control module is used for generating a remote control instruction according to the remote regulation and control indication data. According to the invention, through carrying out differential analysis on the physical state of the local load and the network operation reference, predictive monitoring and high-reliability active regulation and control on the potential risk of the power distribution cabinet are realized.

The utility model discloses a kind of remote zero setting device for RZB type borehole strain gauge, including control box, communication module, memory, controller, magnetic latching relay array, signal acquisition circuit, each external cable and each convenient conductive clamp;Connection seat is provided on the lateral wall of control box, magnetic latching relay array and signal acquisition circuit are electrically connected with connection seat;One end of each external cable is electrically connected on connection seat, the other end of each external cable is respectively electrically connected on each convenient conductive clamp.This remote zero setting device can receive remote control command, without manual zero setting operation in the field, improve the convenience and timeliness of zero setting, using magnetic latching relay array can realize the gating of each external cable, to realize the same on-off connection function with each manual dial switch, and magnetic latching relay array can realize on-off control under the control of controller.

The invention provides a multi-satellite management and control center cooperative satellite management and control method and device and electronic equipment, and relates to the technical field of satellite measurement and control, and the method comprises the steps: receiving a link application that a target satellite management and control center occupies a target satellite measurement and control channel; when it is determined that the target satellite measurement and control channel is in the idle state, feedback information of successful application is sent to the target satellite management and control center, and occupation state information of the target satellite measurement and control channel is broadcasted to other satellite management and control centers in the satellite measurement and control system; and receiving a remote control instruction sent by the target satellite control center to the target satellite measurement and control channel, and forwarding the remote control instruction to the target satellite through the target satellite measurement and control channel, so that the target satellite executes the remote control instruction. According to the method, automatic cooperative management that the multi-satellite management and control center preempts the unique measurement and control channel of the satellite is realized, the problem of effect difference of a current manual coordination mode is solved, and the coordination efficiency of cooperative work of the multi-satellite management and control center is improved.

This invention relates to a method for autonomous on-board storage and downlink of electric propulsion system fault status, belonging to the technical field of spacecraft electric propulsion systems. After the electric propulsion system ignites, the method executes the following steps in each control cycle: fault judgment is performed based on the fault word of the electric propulsion system to determine whether a fault has occurred; before a fault occurs, the telemetry data of the electric propulsion system is cyclically stored in the first data storage area on the storage unit of the electric propulsion control unit; after a fault occurs, the telemetry data of the electric propulsion system is stored in the second data storage area on the storage unit of the electric propulsion control unit until the second data storage area is full; during the most recent satellite entry into the telemetry and control arc after the fault, the telemetry data of the electric propulsion system before and after the fault is downlinked according to ground remote control commands.

This application discloses a remote security management method and system. The method includes: deploying an edge computing node within the vehicle to receive remote control commands; before executing the command, acquiring the local real-time status parameters of the controlled device and performing security verification according to preset local security rules; and rejecting the command if it is determined that executing the command will violate the security rules. This application also discloses a system for implementing this method. By constructing an edge-first arbitration logic, this application solves the technical problem of traditional cloud control solutions losing security capabilities during network interruptions. Even during network interruptions, it can still independently execute local security rules, rejecting unreasonable commands and improving the system's security and robustness.

The invention particularly relates to a data processing gateway software architecture suitable for a medium-large unmanned aerial vehicle cluster, and the gateway software architecture is arranged between the unmanned aerial vehicle cluster and an application cluster, and comprises a downlink telemetering data processing module, a data distribution module and an uplink remote control command processing module. Signal slot asynchronous communication, modular parallel and dynamic configuration are combined, unified access, distribution, analysis and forwarding of multiple types of downlink telemetry data and uplink remote control commands are realized at a gateway side, and centralized processing and extended deployment can be performed on measurement and control data in a medium-large unmanned aerial vehicle cluster scene. The problems that in the prior art, when multiple medium and large unmanned aerial vehicles are accessed in parallel, the measurement and control data processing capacity is insufficient, the end-to-end time delay is large, and bottom layer program configuration needs to be frequently changed when new aircraft types and new services are expanded are solved.

This invention discloses an automated observation mode switching method, system, device, and computer-readable storage medium. The method includes the following steps: generating satellite observation parameters that match different satellite observation data; intelligently generating a new satellite observation mission schedule and a new satellite observation mission template for the current day and the next day based on the satellite observation parameters; generating a new satellite remote control command chain for the current day and the next day based on the new satellite observation mission schedule and the new satellite observation mission template; and restoring a certain payload observation mission and command upload based on the new satellite remote control command chain for the current day and the next day, thereby realizing intelligent control switching of the observation mode of the ground application system. This invention can realize one-click switching of the observation mode of the entire satellite-ground business system, which not only effectively reduces manual workload and the risk of operational errors, but also improves business reliability and shortens emergency response time.