335 results about "Mode switch" patented technology

The invention discloses a fault signal dual-mode output method of a magnetic latching relay, particularly relates to the technical field of relay control, and is used for solving the problem of low mode switching efficiency caused by an existing physical jumper mechanism. The current mechanical state of the relay is detected by receiving a remote dual-mode switching instruction; applying a driving voltage sequence corresponding to the target mode according to the state; based on the iron core residual magnetism intensity and the dynamic margin of a target mode nominal value, judging and generating a driving enabling or degaussing trigger signal; when a driving enable signal is responded, the lag time difference between the voltage rising edge and the magnetic flux jump starting point is captured in real time, and the eddy current loss characterization quantity is generated by combining the product integration of the current differential and the temperature rise; adjusting the rising slope and the duty ratio of the driving voltage sequence according to the lag time difference and the over-limit condition of the eddy-current loss characterization quantity; and finally, the matching between an execution result and a target mode identifier is verified by controlling a coil current response waveform, and the continuous holding mode and the instantaneous pulse mode are remotely and reliably switched.

The invention relates to the technical field of communication equipment operation and maintenance, in particular to a serial port equipment firmware upgrading method and system. The serial port equipment firmware upgrading method comprises the steps that an upgrading task instruction issued by a remote management platform is received, and after equipment identity verification and upgrading file integrity verification are executed, system protection measures are started; creating a security isolation sandbox environment, forbidding a high-risk function module in a script execution environment, and defining addressing parameters of target serial port equipment; standard scripts are loaded, and serial port read-write, file operation and state reporting type security interaction interfaces are injected; calling a mode switching function of the standardized script, so that the serial port equipment is switched to a firmware upgrading mode from an operation mode; cyclically calling a data transmission function of the standardized script to transmit firmware data in blocks, and synchronously implementing timeout monitoring; and after upgrading is completed or abnormal interruption occurs, the security isolation sandbox environment is destroyed, the original business is recovered, and an upgrading result is reported to the remote management platform.

The invention discloses a mode switching method, device and equipment of an energy storage converter and a storage medium, and relates to the technical field of power grid control, and the method comprises the steps: obtaining a multi-mode control grid-connected model of the energy storage converter, and the grid-connected model comprises a grid-following type control model and a grid-constructing type control model; based on the grid-connected model, injecting a high-frequency small signal into a power grid through an energy storage converter, and processing the high-frequency small signal by adopting a discrete Fourier transform algorithm to obtain grid-connected point voltage and current response; obtaining a power grid impedance parameter according to the grid-connected point voltage and current response; calculating an operation short-circuit ratio according to the power grid impedance parameter in combination with the actual output power of the energy storage converter and the power grid voltage amplitude; according to the operation short-circuit ratio and the short-circuit ratio threshold value, mode switching is carried out on the following network type control and the construction network type control, and the method can improve the accuracy of mode switching of the energy storage converter.

The invention relates to a solar photovoltaic power generation control method and system, and the method comprises the steps: adjusting a power reference value of a virtual synchronous generator based on the predicted photovoltaic power change trend information of a micro-grid after a mode switching request is detected, and controlling the output power of the micro-grid to approach a steady-state power value under a target grid-connected working condition; in different operation modes, the virtual inertia of the virtual synchronous generator is configured to be an adaptive set value, and the virtual damping coefficient is adjusted; calculating a comprehensive switching preparation index based on the photovoltaic power prediction error, the convergence characteristic of the actual power deviation and the bus voltage and frequency fluctuation amplitude; and when the comprehensive switching preparation degree index meets a preset condition, generating a synchronous starting instruction, and entering an off-grid to grid-connected switching stage. Therefore, the stability and the reliability of mode switching can be remarkably improved, transient impact is effectively inhibited, and the power supply continuity and the power quality are guaranteed.

The invention discloses a dual-mode control switching method for unattended reconstruction of a rotary drilling rig, and particularly relates to the technical field of mechanical equipment mode switching, and the method specifically comprises the steps of S1, switching request triggering and instruction freezing, S2, full-state snapshot generation and synchronization, S3, three-level progressive arbitration decision, and S4, dual-factor verification and switching execution. And S5, network fluctuation fault tolerance. According to the invention, through overall planning of the vehicle-mounted controller, after a switching request is received, an instruction is frozen, full-state snapshots including sensor data, operation links, equipment health and environment data are synchronized, and switching is completed through three-level arbitration including safety state judgment, authority network verification and target end confirmation and then double-factor recheck. Safe seamless switching between a remote mode and a local mode can be achieved, the situations of instruction conflicts and information faults are avoided, the operation efficiency is improved, fault-tolerant processing is carried out on scenes such as network fluctuation and emergency takeover, and the reliability and safety of unattended operation are further improved.

The invention relates to the technical field of industrial automation control, and provides a method and system for achieving online simulation of an HMI simulator, and the method comprises the steps: monitoring the starting and offline simulation process of an original HMI programming software simulator, and confirming that the original HMI programming software simulator completes the generation of a configuration file; receiving a mode switching instruction of a user through the mode switching interface; in response to the mode switching instruction, terminating the current simulator process; modifying a configuration file generated by the simulator, modifying an operation mode parameter in the configuration file from a first value representing offline simulation to a second value representing online simulation, and dynamically configuring a communication port parameter; the verification information of the configuration file is updated to ensure the legality of the file; and restarting the simulator, and loading the modified configuration file by the simulator so as to establish communication connection with an external PLC (Programmable Logic Controller) or instrument and enter an online simulation mode. On the premise of not depending on entity hardware, online communication and real-time joint debugging of the HMI simulator and the external equipment can be realized.

The invention discloses a motor control method, device and equipment and a medium, and relates to the field of motor control, when a mode switching condition is met, switching operation is not executed immediately, and the switching time is set at the commutation time of a motor, so that natural transition of a phase angle of a reference voltage vector is ensured; meanwhile, based on the running state of the motor in the first control mode, an integral initial value of the current regulator in the second control mode is preset, so that smooth connection of the amplitude of the reference voltage vector is realized. Through cooperative control of the phase angle and the amplitude, the problems of unstable motor operation, speed fluctuation, equipment stress damage and the like caused by discontinuous jump of the reference voltage vector at the switching point are solved, and the effect of improving the motor control performance and the system operation reliability is achieved.

The invention provides a command processing circuit, a command processing method and a PIM device. The command processing circuit comprises a PIM command identification module which is electrically connected with a command address bus of the PIM device and is configured to receive a command signal through the command address bus and judge the type of the currently received command signal; if it is judged that the currently received command signal is a DRAM conventional command, the command signal is sent to a conventional command processing module; if it is judged that the currently received command signal is a PIM related command, the command signal is sent to a PIM command processing module; the PIM command processing module is electrically connected with the PIM command identification module and is configured to receive a PIM related command, decode the PIM related command and perform corresponding operation according to a decoding result; and the conventional command processing module is electrically connected with the PIM command identification module and is configured to receive the DRAM conventional command and decode the DRAM conventional command. The method is at least beneficial to avoiding mode switching and improving system performance.

The invention relates to the technical field of computer input equipment, in particular to mouse and gamepad dual-mode input equipment and a control method thereof.The control method comprises the steps that a data signal sent by a mouse body is received through a signal processing device, and a working mode is switched between a first mode and a second mode according to a mode switching instruction; when the game handle is in the second mode, the displacement increment and the key state are converted into a rocker control signal and a key control signal which accord with a control protocol corresponding to the target game handle; and packaging the rocker control signal and the key control signal into a USB (Universal Serial Bus) data frame conforming to a control protocol corresponding to the target gamepad. According to the invention, signal conversion and protocol packaging functions are completely integrated into independent signal processing device firmware; therefore, the inherent problems of input delay, system resource occupation and conflict with a game anti-cheating system of a traditional PC end software mapping scheme are solved, and plug-and-play compatibility which is the same as that of an original handle is achieved.

The invention relates to the field of gamepads, and discloses a gamepad convenient for multi-mode switching and a gamepad control method.The gamepad comprises an operation recording unit, an operation analysis unit and a mode switching unit, the operation recording unit is used for recording operation records of a user on keys of the gamepad, and the operation analysis unit is used for analyzing the operation records of the user on the keys of the gamepad; the operation analysis unit is used for analyzing operation records of a user on keys of the gamepad and determining mode switching information, and the mode switching unit is used for switching control modes of the gamepad according to the mode switching information; wherein the operation record of the user on the keys of the gamepad comprises key information, rocker swing amplitude information and rocker swing direction information, and the mode switching information is used for controlling the gamepad to be switched among a plurality of preset control modes. The control modes such as the rocker force of the gamepad can be automatically controlled, and the using effect of the gamepad is improved.

An electrified vehicle includes: a mode switch that gives an instruction of switching being performed in order of a first mode, a third mode and a second mode, among the first mode, the second mode and the third mode; and a control device that sets a traveling mode to one of the modes in accordance with the mode switch operation and controls a motor and an auxiliary machine in accordance with the traveling mode. When the mode switch has been operated while the traveling mode is the first mode, the control device switches the traveling mode from the first mode to the second mode without the switching to the third mode, if the mode switch has been operated again within a predetermined time, and switches the traveling mode from the first mode to the third mode, if the mode switch has not been operated again within the predetermined time.

The invention discloses a mode switching method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of mode switching.The method comprises the steps that if a target signal is detected, a riding mode is entered, a riding style interface is provided in the riding mode, and a riding interaction request of a target user is responded through the riding style interface, so that the target user can perform mode switching according to the riding interaction request; and obtaining a riding interaction result, and if it is detected that the target signal is continuously in an interruption state and the moving speed information of the terminal equipment meets a preset condition, exiting the riding mode. After the target signal is detected, the mode is switched to the riding mode, and the riding style interface suitable for riding is provided in the riding mode, so that the adaptive design suitable for the riding scene is provided, and the interaction request of the user in the riding process is responded through the riding style interface, and the user experience is improved. The user can enjoy the convenience brought by the intelligent equipment in the riding process, and the riding experience is improved.

The application discloses a mode switching method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring power system data of a current vehicle, wherein the power system data of the current vehicle comprises engine data, generator data, driving motor data and battery data; determining a system series-parallel connection capability parameter based on the engine data, the generator data, the driving motor data and the battery data, wherein the system series-parallel connection capability parameter comprises a system series connection capability parameter and a system parallel connection capability parameter; and switching a system working mode of the current vehicle to a target working mode based on the system series connection capability parameter and the system parallel connection capability parameter. The above technical solution improves the accuracy of the series-parallel connection capability parameter by adding the generator data, the driving motor data and the battery data, so that the system working mode is switched to a more reasonable working mode, and the driving demand is met.

The application relates to a dual-motor control circuit, method and variable-frequency speed regulation system. A mode switching module is arranged, so that in the case of common bridge arm failure, the phase connected between the first motor, the second motor and the common bridge arm can be switched to be connected with the bus capacitor bridge arm, so that the inverter topology is converted from five bridge arms to four bridge arms. At this time, the variable-frequency speed regulation system can keep normal operation in the four-bridge-arm mode, and system shutdown caused by common bridge arm failure can be avoided.

A remote controller (1) comprises: a display panel unit (2) in which a dot-matrix display panel is used; an operation detection unit (22) which detects operation of operation key units (3, 4, 5) that accept an operation by a user; a display control unit (24) which controls the display panel unit (2); and a mode switching unit (23) which causes the display control unit (24) to switch the display panel unit (2) to an operational mode in which power consumption is high and information visibility is high or to a standby mode in which power consumption is lower and information visibility is lower than in the operational mode. If the operation detection unit (22) does not detect further operation of the operation key units (3, 4, 5) within a preset period after detecting operation of the operation key units (3, 4, 5), the mode switching unit (23) causes the display control unit (24) to switch the display panel unit (2) to the standby mode.

The invention discloses a low-power-consumption optimization method based on multi-mode switching, a low-power-consumption control core CR5LP, a system mode controller SMC and a power management unit PMU are integrated in a chip architecture, the CR5LP is responsible for logic control of switching from a Run mode to an LPRun mode, the SMC dominates mode switching from the LPRun to a Sleep / Hibernate, and the PMU serves as a power execution unit and is used for realizing on-off control of internal DCDC, LDOLP and SYSCTRL0-1; and the low-power-consumption control core CR5LP, the system mode controller SMC and the power management unit PMU realize data interaction through an internal high-speed bus. The method has the advantages that power consumption dynamic optimization of equipment under different working conditions is realized, the low-power-consumption management efficiency is improved, and an effective solution is provided for improving the energy efficiency of a vehicle-mounted embedded system.

The invention relates to the technical field of new energy power, and discloses a self-adaptive switching control method, system and device for optimizing the frequency modulation speed of an energy storage converter and a medium, and the method comprises the steps: setting a first control mode, controlling the grid-connected operation of the energy storage converter, and collecting the power data of a grid-connected point; through coordinate transformation, the output active power deviation of the energy storage converter is detected and obtained; whether the first control mode is switched to a second control mode or not is judged through a preset judgment rule; and if switching to the second control mode, monitoring the adjusting state of the frequency, and judging whether to switch from the second control mode to the first control mode or not according to the frequency change rate. Through the switching of the control modes, the response speed is remarkably improved, the frequency adjustment time is greatly shortened, the adjustment process is kept stable and free of oscillation, the adaptability is high, manual intervention is not needed, the method can adapt to different load sudden change scenes, the dynamic performance and the steady performance are well balanced, and the stability of a weak power grid is enhanced.

The invention discloses a data transmission system and host equipment, and the system comprises a DMA engine which is used for executing data migration between main equipment and an external bus; the programmable protocol adaptation layer supports dynamic loading of time sequence templates of two or more protocols in the ICs, the I3C and the SPIs; the security isolation module is used for blocking DMA access to an unauthorized area in real time through a hardware address permission lookup table; the dynamic buffer management unit is provided with a reconfigurable FIFO (First In First Out) array, and the depth and the bit width of the dynamic buffer management unit can be dynamically configured along with a protocol mode; and the mode management unit refreshes the buffer area and verifies the validity of the data during mode switching. The host equipment comprises a central processing unit and the system, and the CPU is responsible for configuration management and receiving security exception interruption. According to the method, hardware-level security isolation and dynamic buffer distribution are realized, the system security and reliability are improved, the resource overhead is remarkably reduced, the mode switching residual data is eliminated, and the transmission stability in a multi-protocol scene is ensured.

The invention discloses a communication mechanism, a control method and a control system for an electric control lock of an intelligent cabinet. The core process is as follows: for first unlocking, a controller is used for swiping a card, binding an intelligent key, selecting the electric control lock and synchronizing information to the controller and a background; and a double-unlocking mode of a controller end and an electric control lock end is supported. The system comprises an emptying mode and a non-emptying mode, in the emptying mode, the key is unbound after the controller end unlocks, and binding is maintained in the non-emptying mode; the background system can issue a mode and system setting instruction, during the setting period, query is suspended, the electric control lock end cannot swipe a card, and the electric control lock end does not trigger unbinding when being unlocked. The control system comprises a controller with a first key identification chip, a background system, a lock control board, a unique address electric control lock with a second key identification chip, an intelligent key and a power supply. The double-unlocking mode is adaptive to management and convenient to operate, the mode switching is flexible, the multi-scene requirements of express delivery cabinets, tool cabinets and the like can be met, the binding and unbinding logic is clear, and the operation is convenient.

Systems, methods, apparatuses, and computer program products for mode switching schemes for reconfigurable intelligent surface (RIS) assisted backscatter communications. The method may include connecting with a network node for communication, receiving, from the network node, an indication of activation of backscattering, receiving a backscatter signal together with a signal sent by the network node, and demodulating the backscatter signal and the signal sent by the network node, the backscatter signal including backscatter data.

The invention discloses a testing device. The testing device comprises four wiring clamps. Each wiring clamp comprises a clamp head and an insulating extension rod which is detachably connected with the clamp head, and the insulating extension rod is used for transferring and positioning the clamp head to a wiring board position corresponding to the transformer bushing; the clamp head comprises two clamping blocks, and the two clamping blocks are configured to slide in the direction close to each other or away from each other so as to clamp or release the corresponding wiring board. Each clamping block is also provided with a wiring terminal; in the first working mode, the four wiring clamps are respectively clamped on the A-phase wiring board, the B-phase wiring board, the C-phase wiring board and the N-phase wiring board, and wiring terminals on the wiring clamps are electrically connected with one another through electric connecting wires to form a test loop; and in the second working mode, the two wiring terminals on the same wiring clamp are electrically connected through the electric connecting wire, so that the short circuit of the wiring board of the corresponding phase is realized. Wiring and mode switching are both completed on the ground, and the test efficiency and operation convenience are not improved.

The application provides a mode switching method, device, storage medium and program product, which are applied to a management and control server. The method comprises the following steps: acquiring a mode switching request sent by a client, wherein the mode switching request is used for indicating a target instance to be switched and a target mode; wherein the target instance is any instance in at least one instance of the client, and the target mode is any mode in multiple modes selectable by the client; and cloud resources matched with the target mode are configured for the target instance. The use experience of a user is improved.

The utility model relates to the technical field of electronic equipment, and discloses a control assembly and wearable equipment, the control assembly comprises a first shell, a second shell and a first switch, and the second shell is arranged on the first shell and can slide relative to the first shell. The first switch is arranged on the first shell, and when the second shell slides from one position to another position, the first switch can be triggered, so that a control signal can be sent to the controlled equipment, and one-time control over the controlled equipment is completed. Therefore, when a user wears the wearable equipment, corresponding control functions such as page turning, menu scrolling, mode switching and volume control can be realized on the controlled equipment in a mode that the second shell slides relative to the first shell, so that the interaction feeling between the user and the wearable equipment is improved. In addition, the operation precision of the sliding mode is high, and the tactile feedback provided for the user is better.

The invention discloses a hardware hand operator, which belongs to the technical field of nuclear power station instrument control, and comprises an analog-to-digital conversion module, which is used for converting a valve opening control analog signal into a digital signal; the opening degree adjusting module is used for collecting a valve opening degree adjusting signal; the adding and subtracting counter is used for counting the digital signal in an increasing or decreasing manner according to the valve opening adjusting signal; the mode switching module is used for acquiring a mode switching signal; the gating device responds to the mode switching signal, the output of the analog-to-digital conversion module is conducted to the digital-to-analog conversion module in an automatic mode, and the output of the add-subtract counter is conducted to the digital-to-analog conversion module in a manual mode; and the digital-to-analog conversion module restores the digital signal into an analog signal. Through pure hardware module design, automatic tracking and manual adjustment of valve control signals are achieved, the problems of uncertain response, poor anti-jamming capability, common cause faults and the like existing in a scheme based on software or programmable devices are avoided, and the working stability and reliability in complex electromagnetic environments such as nuclear power stations are improved.

The invention discloses a working mode switching system, method, device, equipment, medium and product, and relates to the technical field of multi-node servers, an adapter card is arranged between network cards and nodes, a plurality of network cards are connected with downlink connectors of the adapter card, and a plurality of nodes are connected with uplink connectors of the adapter card. The mode switching component in the adapter card can adjust the connection relation between the plurality of downlink connectors and the plurality of uplink connectors. The network card state information records a topological relation between a network card and a node, the routing information records a connection relation between a plurality of uplink connectors and a plurality of downlink connectors, and the controller can determine a routing switching mode according to the service demand change information, the network card state information and the routing information; and the mode switching component adjusts the connection relationship between each downlink connector and each uplink connector according to a route switching mode, so that automatic switching of different working modes of the network card can be realized.

The invention relates to the technical field of forming machine control, in particular to a blowing and twisting control system of a forming machine. The device comprises an action control unit and a motor used for controlling the action of the forming machine, and the action control unit comprises an injection molding machine signal output module and a power-on control module; the injection molding machine signal output module comprises an injection molding machine signal output circuit and a blowing control circuit; the power-on control module comprises a mode switching circuit and a power supply circuit. According to the invention, the control circuit with manual and automatic modes is designed, and the positive and negative rotation and delayed operation of the mold motor are automatically and accurately controlled by using the existing mold opening position signal of the forming machine. Multiple electrical interlocking is key arranged in the system, short circuit is effectively prevented, and action reliability and equipment safety are guaranteed. According to the scheme, the problem that original equipment cannot automatically control thread twisting is solved, automatic circulation of demolding and resetting of threaded products is achieved, and the production efficiency and the product percent of pass are remarkably improved.

The invention discloses a method and a device for preventing an I2C (Inter-Integrated Circuit) bus from being locked. The method comprises the following steps: detecting the level states of a serial data line and a serial clock line of the I2C bus through arbitration equipment; when it is detected that the first duration of keeping the serial data line or the serial clock line at the low level reaches a first preset threshold value, it is judged that the I2C bus has a locking risk; controlling the arbitration device to switch from a high-resistance input mode to an output mode so as to output a stop signal to the serial data line through the arbitration device; after the stop signal is output, monitoring the level states of the serial data line and the serial clock line; when it is monitored that the second duration of keeping the serial data line or the serial clock line at the low level reaches a second preset threshold value, it is judged that the I2C bus is in an abnormal locking state; and sending a reset instruction to at least one I2C device connected to the I2C bus through the arbitration device to release the I2C bus. The active monitoring and recovery of I2C bus locking are realized, and the system reliability is improved.

The application provides a smart wall switch, comprising an operating member, a bottom shell, a base shell and a control board; the operating member and the control board are arranged in the base shell to form a control assembly; a processing module is electrically connected with at least one mode switching part; the mode switching part is arranged on a side of the control board facing the bottom shell; the control assembly is detachably connected with the bottom shell through the base shell; a communication module; wherein the processing module has multiple working modes; the processing module is used for switching to a corresponding working mode according to the indication of the mode switching part; the operating member comprises a first button; the processing module has a third mode in the multiple working modes; the smart wall switch can be switched to the third mode; the control target of each first button can be freely defined by a user on a terminal; and a second mode is further provided, in which the user can conveniently configure the trigger function of each first button through the terminal.

The application discloses a mode switching method applied to a variable rotating speed control moment gyro, which clearly defines multiple working modes of the control moment gyro, switching logic between behaviors of the control moment gyro in the modes and the modes, can realize non-control, moment control and backup reaction wheel functions of the control moment gyro, and can make the control moment gyro effectively applied in satellite attitude control.

The invention relates to a PLC module dual-mode dynamic switching system and a switching method thereof, and the system comprises a main node module, a sub-node module, a hardware pin, a mode switching module and a nonvolatile memory. Two kinds of core working mode functions are provided through the main node module and the child node module respectively, external signals are received through hardware pins, a level triggering instruction is output, and dynamic switching of double modes is completed in real time through the mode switching module according to the level signals. In combination with the partition storage design of the nonvolatile memory, independent and reliable calling of the corresponding mode configuration parameters is guaranteed, flexible switching of the PLC module between the main node working mode and the sub-node working mode is effectively achieved, dependence on traditional recompiling and burning operation is not needed, the mode changing process is remarkably simplified, and the working efficiency is improved. The requirement of role dynamic adjustment of the PLC module in an industrial scene is met, and the adaptability and the use convenience of the system are improved.