1305 results about "Mode control" patented technology

The invention discloses an intelligent mold part machining cutting tool control method and system. The method comprises the following steps that S1, a multi-source sensing information collection layer is established; s2, constructing a cutter health knowledge graph; s3, generating a dynamic decision control instruction; s4, executing a bimodal control response; and S5, realizing closed-loop control optimization. Through quadruple mechanism coupling of global coverage of a multi-mode sensing layer, dynamic deduction of a knowledge graph decision-making layer, risk isolation of a double-track execution layer and intelligent evolution of a closed-loop optimization layer, the method is realized in an industrial control domain for the first time: raising a sensing dimension, and converting a physical world fragmentation signal into a cutter full life cycle digital twinborn body; reconstructing decision logic, replacing traditional threshold judgment with topological correlation, and foreseeably inhibiting ill-conditioned failure; the system is ecological and self-consistent, and the control strategy continuously evolves in operation to form the anti-interference capability; and finally, normal form transition of tool wear control from passive remediation to active immunity is achieved.

The invention discloses a low-power-consumption vehicle-mounted intelligent Internet of Things terminal device and a control method thereof. The terminal device comprises a voltage monitoring module and a mode control module. The voltage monitoring module periodically samples the input voltage of the terminal device at a preset sampling frequency to obtain a plurality of voltage sampling values; the mode control module judges the continuous state of the input voltage based on the plurality of voltage sampling values, controls the terminal device to enter a normal mode of full-power operation of all functional modules when the input voltage is continuously in a state greater than or equal to a first voltage threshold value, and controls the terminal device to enter a normal mode of full-power operation of all functional modules when the input voltage is continuously in a state less than the first voltage threshold value. Controlling the terminal device to be switched to a low-power-consumption mode in which part of functional modules are closed, and controlling the terminal device to enter a sleep mode when the input voltage is continuously in a state smaller than a second voltage threshold value; wherein the second voltage threshold value is lower than the first voltage threshold value.

The invention discloses a method for improving the stability of a system for sending out deep and far sea wind through a dual-port light converter. The method comprises the following steps: introducing a voltage feed-forward path comprising a phase compensator and a low-pass filter into an MMC differential mode control loop in the dual-port light converter; and a compensator parameter feasible region is calculated based on the phase characteristics of the oscillation risk frequency band, and the cut-off frequency of the filter is set, so that targeted phase compensation and impedance remodeling are realized, and the damping of the dual-port light converter is effectively enhanced. According to the method, the impedance characteristic of the dual-port light-weight current converter in the oscillation risk frequency band is remarkably improved, and a reliable technical path is provided for improving the stability of the dual-port light-weight current converter.

The embodiment of the invention discloses a network device, an RIS device and a communication method, and the communication method is applied to the network device, and comprises the steps: transmitting first indication information to a reconfigurable intelligent surface RIS device through a first physical layer signaling; the first indication information comprises mode control information, and the mode control information is used for indicating that the operating working mode of the RIS equipment is switched from a current working mode to a target working mode; the current working mode is a reflection mode or a transmission mode; the target working mode is different from the current working mode.

The invention discloses a flying wing solar unmanned aerial vehicle based on distributed reversible power omni-directional cooperative control, and relates to the technical field of aircraft design, the flying wing solar unmanned aerial vehicle comprises a cabin, flying wing platforms are symmetrically arranged on the two sides of the cabin, reversible power assemblies are arranged on the flying wing platforms, and each reversible power assembly comprises a supporting unit and a driving unit; a multi-mode flight control assembly is arranged in the cabin. According to the flying wing solar unmanned aerial vehicle based on distributed reversible power omni-directional cooperative control, in the air flight stage, based on the flexible characteristic of the flying wing platform, the driving units are vertically arranged in pairs, direct force is used for driving, the characteristic of multi-mode control is embodied, and the reversible power assembly is used for cooperatively achieving the omni-directional operation function; in the ground take-off and landing stage, based on the large deformation characteristic of the flying wing platform, the space distribution form of the driving units is adjusted in a reversing mode through the supporting units, every two driving units are horizontally arranged, control is achieved through wing deformation, and therefore the power units are prevented from colliding with the ground.

The invention discloses a high-precision temperature measurement system and device suitable for profound hypothermia. The high-precision temperature measurement system comprises an excitation module, an acquisition calibration module and a signal processing module. The excitation module is connected between the signal processing module and the acquisition calibration module, generates an excitation signal according to a control signal of the signal processing module, and transmits the excitation signal to the acquisition calibration module; the acquisition and calibration module comprises a temperature acquisition unit and a calibration unit, and the temperature acquisition unit is used for accessing an external temperature sensor and outputting a corresponding original electric signal; the calibration unit is connected to the excitation loop and outputs a standard calibration signal; the signal processing module receives the original electric signal or the standard calibration signal output by the acquisition calibration module, processes the original electric signal or the standard calibration signal, and outputs an excitation control signal to the excitation module to adjust parameters of the excitation signal; and meanwhile, a mode control signal is output to the acquisition and calibration module so as to switch the working mode of the temperature acquisition unit or the working mode of the calibration unit. According to the invention, the accurate measurement requirement of the profound hypothermia + / -0.001 K can be met.

The invention discloses a rock shear seepage coupling true triaxial test system, which relates to the technical field of rock mechanical tests, and comprises a host, a sigma 1 / sigma 2 direction loading module, a sigma 3 direction confining pressure module, a pressure chamber auxiliary system, a sample clamp, a pore water seepage system, a temperature system, a control module and a data acquisition and processing module, through servo closed-loop linkage double-pump loading in the sigma 1 / sigma 2 direction, synchronous output of the double pumps and coordination of pressure supply of the two oil cylinders by the controller, a strain correction algorithm is combined, stability of a stress loading center is guaranteed, strain measurement accuracy is improved, confining pressure is accurately controlled in the sigma 3 direction through a double-balance pressure chamber and a pressure regulation algorithm, and the stress measurement accuracy is improved. The pressure chamber is in full-automatic operation, manual steps are omitted, errors are reduced, efficiency is improved, a stress-free blank angle clamp eliminates friction interference, a seepage system supports a double-loading mode, a control module achieves multi-control-mode impact-free switching, a data processing module is combined with an elastic modulus calculation algorithm, rock mechanical parameters are accurately obtained, and the multi-field coupling test requirement is met.

The invention relates to the technical field of automobile electronics and intelligent control, and discloses an intelligent cabin mechanical arm system which comprises a folding mechanical arm body, a tail end sensing interaction module, a driver state monitoring subsystem and a central control unit which are installed in a cabin. The central control unit controls the storage or working mode of the mechanical arm according to the comprehensive fatigue index of the driver; in the working mode, visual gazing information is used as a gating signal to activate electroencephalogram analysis, the operation intention is confirmed in combination with the visual prior probability and electroencephalogram signals, and the mechanical arm impedance parameters are adjusted in real time based on the fatigue state. According to the method, through Bayesian fusion of vision and electroencephalogram signals, the problem that single-mode control is unstable is solved; by means of variable impedance control and collision detection of the momentum observer, active safety protection based on the physiological state of the driver is achieved, and non-sensitive and high-safety intelligent auxiliary experience is provided in a limited cabin space.

The invention relates to the technical field of data lines, and particularly discloses a data line system and a data line for intelligently switching data transmission and charging, and the system comprises a dual-core synchronization management module which is used for enabling dual cores to enter an initial detection state through encryption synchronization signaling when equipment is connected; the asynchronous signal processing module is used for generating state judgment parameters through multi-scale sliding window processing and time-frequency domain feature fusion; the consensus decision arbitration module outputs a backtracking trigger signal through dynamic projection transformation and self-adaptive threshold comparison; the state backtracking recovery module is used for generating a retry instruction with a random delay period based on the historical backtracking success rate and the signal quality evaluation; the safety mode control module is used for identifying dominant features by analyzing historical failure records and switching to a safety operation mode; through distributed dual-core cooperative processing and an intelligent fault recovery mechanism, the technical problems of confusion of protocol stacks and deadlock of a state machine in a complex electromagnetic environment are solved, and the anti-interference capability and reliability of the system are improved.

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 the technical field of semiconductors, and provides a memory and an operation method thereof, which are used for relieving harm caused by line hammering. The memory comprises a memory array and a control circuit. The control circuit is configured to enter a first mode in response to a command address signal and a mode control signal when a preset condition is met, execute an updating operation on a counting storage unit corresponding to an activated word line at a first moment, execute a pre-charging operation on the activated word line at a second moment, and take counting data as a counting value of row hammer refreshing; or, responding to the command address signal and the mode control signal when the preset condition is not met, entering a second mode, not executing the updating operation on the counting storage unit corresponding to the activated word line, and starting to execute the pre-charging operation on the activated word line at a second moment, and taking an activation count value of an activation word line in the dynamic lookup table as a count value of row hammer refreshing. In this way, balance is achieved between flexible configuration and reliability guarantee, and harm caused by hammering is relieved.

The invention relates to a mainboard debugging circuit and method compatible with an LPC bus and an eSPI bus. The debugging circuit comprises a mainboard connecting module, a main control module and a protocol mode control module. A signal input end of the mainboard connection module is connected with a debugging bus of a mainboard to be tested, a multiplexing signal pin group of the main control module is connected with a signal output end of the mainboard connection module, and the multiplexing signal pin group is used for multiplexing between an LPC bus signal mode and an eSPI bus signal mode; the protocol mode control module is used for generating a corresponding protocol mode selection signal according to the bus state data, so that the main control module is switched between an LPC bus signal mode and an eSPI bus signal mode; the problems that an existing debugging card needs to be switched manually and wiring is complex are solved, the debugging card can be compatible with mainboard signal standards of different architectures, and therefore multi-protocol self-recognition and sharing of the hardware level are achieved, debugging efficiency is improved, the misconnection risk is reduced, and the mainboard space layout is remarkably optimized.

The invention discloses a multi-mode control method for voice interaction and gesture recognition of an atmosphere lamp, and belongs to the field of intelligent control. The method comprises the following steps: S1, constructing a multi-mode sensing module, and arranging a bidirectional linear array microphone, a dual-lens infrared depth camera and a space calibration laser transmitter; s2, extracting voice features by adopting an extended spectrogram domain attention network, and generating a first semantic vector; s3, dynamic attitude features are extracted through the time-airspace sparse convolutional network; s4, performing modal alignment and cooperative coding on the two semantic vectors based on a bidirectional gating fusion mechanism, generating a joint interaction instruction vector, and solving modal conflicts by a time sequence synchronization and confidence regulation strategy; s5, inputting the vector into a multi-task intention classifier, analyzing a user intention and outputting a unique atmosphere lamp control code; and S6, transmitting the control code to a driving unit to realize light control. The beneficial effects are that voice and gesture fusion control is realized, and atmosphere lamp interaction intelligence and response precision are improved.

The invention relates to the technical field of new energy, and discloses an optimization method for an intelligent yaw system of a wind generating set, and the method comprises the steps: building the intelligent yaw system, enabling the system to be internally provided with seven modules, and enabling a multi-sensor data collection module to collect wind direction, wind speed and yaw angle data in real time, the data fusion module performs Kalman filtering fusion processing to obtain a high-confidence state estimation value, the intelligent decision output module generates an optimal yaw control instruction by adopting a multi-mode control strategy and a parameter self-adaptive mechanism based on fused data, an execution mechanism is driven to realize accurate wind alignment, and the system integrated hardware-in-the-loop test module is used for realizing accurate wind alignment. Omnibearing verification can be carried out before deployment, after actual operation, operation indexes are continuously monitored through the performance evaluation module, control parameters and fusion algorithm parameters are adjusted online through the optimization module on the basis of methods such as machine learning, closed-loop optimization is formed, finally, yaw precision, response speed and system stability are remarkably improved, and maintenance cost is reduced.

The utility model discloses a recoverable impact type sounding system device, and belongs to the technical field of geological exploration equipment. The device is composed of a take-up and pay-off winch, a guide pulley, an ejection device, an impact sounding probe and a measurement and control cable. A winch is automatically controlled through a winch control unit, the take-up and pay-off speed is fed back and adjusted through a tension sensor, and dual-mode control is adopted for different operation water depths of 0-5 m and 5-50 m. The ejection device energizes the probe through the energy storage spring, and the locking mechanism achieves automatic locking and releasing. The impact sounding probe adopts a standard structure and is provided with various sensors, so that data can be stably acquired and wirelessly transmitted. The device can accurately control probe putting, is suitable for operation at different water depths, has good recoverability, effectively overcomes the defects of traditional sounding equipment, and improves the efficiency of geological exploration and the accuracy of data.

Example implementations include a method, apparatus and integrated circuit (IC) for active pre-charging a battery system. The IC may include a pre-charging controller configured to manage pre-charging of a capacitive load. The IC may include a programmable current control module configured to maintain constant charging current based on one or more parameters from the pre-charging controller. The IC may include a smart gate driver configured to drive one or more high voltage field-effect transistors (FETs) based on one or more control signals from the pre-charging controller. The IC may include a boundary mode controller configured to configure inductor current to maintain constant charging current. The IC may include a safety monitoring module configured to detect an overvoltage or undervoltage state based on system voltage monitoring. The IC may include a timing module configured to indicate a charge completion following a defined charge time.

The invention discloses a negative voltage driving circuit, a chip, electronic equipment and a vehicle, and belongs to the technical field of circuits. The negative voltage driving circuit comprises a monitoring module, a digital logic control module and a negative voltage generation module, the monitoring module is used for collecting a first working parameter of a transistor and transmitting the first working parameter to the digital logic control module; and the digital logic control module is used for determining a target negative voltage turn-off mode for the transistor according to the first working parameter, and controlling the negative voltage generation module to generate a corresponding negative voltage according to the target negative voltage turn-off mode. According to the technical scheme, the monitoring module collects the working parameters of the transistor in real time, the digital logic control module determines the optimal target negative voltage turn-off mode for the transistor according to the working parameters collected in real time, and then the negative voltage generation module is controlled to rapidly and accurately generate the negative voltage. And the driving requirements of the transistor under different working conditions can be quickly responded.

The invention discloses a new energy fracturing truck pump flow control system and method and a fracturing truck, and belongs to the technical field of new energy petroleum equipment.The new energy fracturing truck pump flow control method comprises the steps that pump target flow parameters and an engine mode are received; calculating the target rotating speed of the pump motor, and sending the target rotating speed of the pump motor to a pump main motor controller; the feedback real-time torque value and real-time rotating speed are received and sent to the pump slave motor controller; calculating the total input target power of the pump motor; calculating a generator output target total power based on the pump motor input target total power; determining a generator target speed based on the engine mode and the generator output target total power; based on the generator output target total power, calculating generator input target total power; and calculating a generator target torque based on the generator input target total power and the generator target speed, and sending the generator target torque to a generator controller. According to the invention, pump flow multi-mode control or / and stepless real-time intelligent flow regulation is realized.

A winch control system is disclosed. The winch control system may be used to control or operate a winch on a vehicle in a selected mode, such as a plow mode. The winch control system may include or receive input from selected sensors relative to the vehicle to assist in control and operation of the winch.

A convolutional accelerator includes a feature line buffer, a kernel buffer, a multiply-accumulate cluster, and mode control circuitry. In a first mode of operation, the mode control circuitry stores feature data in a feature line buffer and stores kernel data in a kernel buffer. The data stored in the buffers is transferred to the MAC cluster of the convolutional accelerator for processing. In a second mode of operation the mode control circuitry stores feature data in the kernel buffer and stores kernel data in the feature line buffer. The data stored in the buffers is transferred to the MAC cluster of the convolutional accelerator for processing. The second mode of operation may be employed to efficiently process 1×N kernels, where N is an integer greater than or equal to 1.

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 intelligent power grid protection, and particularly discloses a safety protection system and method for a network-forming type energy storage power grid, and the system comprises a power grid state monitoring unit which collects the voltage, frequency, short-circuit capacity ratio (SCR), phase angle and other parameters of a grid-connected point in real time. And the cooperative control unit generates an operation mode control instruction and a power scheduling instruction based on the operation strategy model, and realizes switching between a network construction mode and a network following mode and primary frequency modulation, AGC and AVC power scheduling. When receiving an instruction or monitoring disturbance, the transient response execution unit performs inertia support, fault ride-through, oscillation suppression, black start support and other operations, and maintains voltage and frequency stable. And the digital intelligent security protection unit performs full-state monitoring on a physical environment, network information and an equipment operation state, and executes an active protection strategy to ensure safe, stable and reliable operation of the system. According to the invention, the safety, the stability and the reliability of the network-forming type energy storage power grid are effectively ensured.

The invention relates to a multi-sensor fusion and dual-mode control unmanned aerial vehicle parachute ejection system and method, and belongs to the technical field of unmanned aerial vehicle safety. Comprising a sensor module used for collecting acceleration, angular velocity and barometric altitude data of the unmanned aerial vehicle in real time; the control module is used for performing fusion processing on the data acquired by the sensor module based on an extended Kalman filtering algorithm so as to determine the state of the unmanned aerial vehicle, and outputting a parachute opening instruction based on parachute opening decision logic; the parachute opening decision logic comprises air crash detection, manual parachute opening instruction response and normal landing detection; and the execution module responds to the parachute opening instruction and controls the ignition head to trigger the ejection parachute to be opened. The problem that the safety application of the unmanned aerial vehicle is restricted due to insufficient reliability, poor complex environment adaptability and lack of full-flight-cycle safety protection in the prior art is solved.

The invention discloses a self-synchronizing clock cascade time synchronization system, and relates to the technical field of rail transit clock synchronization, the system comprises a plurality of cascaded self-synchronizing clock devices, each device configuration mode selection assembly and an FPGA control unit, a master-slave mode can be switched through an interface combination, the FPGA control unit integrates a plurality of modules such as a time synchronization module and an internal clock module, and the FPGA control unit is connected with the self-synchronizing clock device. An internal clock adopts a second timestamp and nanosecond mantissa double-timing format; the time synchronization module calculates and calibrates a clock error through a bidirectional time difference averaging algorithm based on four groups of time information and supports IRIG-B code, SNTP network and emergency manual multiple time synchronization modes, after the self-synchronizing clock host equipment initiates time synchronization, the self-synchronizing clock slave equipment can be switched to the self-synchronizing clock host equipment to initiate time synchronization to a lower stage after calibration, and the time synchronization is completed. The multi-stage cascade synchronization is realized, the system synchronization precision is high, the anti-interference capability is strong, the bidirectional cascade expansion is supported, and the multi-scene time synchronization requirements are met.

A display device can include a display panel having a plurality of subpixels, a memory storing image control data for controlling an image displayed on the display panel, a mode control signal generation circuit generating a mode control signal based on a first mode signal supplied from a first controller, and a second controller configured to share the memory with the first controller and determine a control authority of the first controller for the memory through the mode control signal.

The invention discloses an air-fuel ratio optimization control method based on machine vision recognition, which comprises the following steps of: establishing a temperature prediction model through historical data, and recognizing the flame temperature in a furnace and the state of a sintering material surface in real time by utilizing a CCD (Charge Coupled Device) camera; the core of the system is that dual-mode control is adopted: in a basic mode, a valve is adjusted according to a deviation ratio between a target temperature and a predicted temperature; and when the system is stable, an air-fuel ratio optimization program is started, and the optimal air-fuel ratio is dynamically optimized and locked by finely adjusting an air valve and comprehensively evaluating combustion efficiency and charge level image features. Closed-loop precise control and online self-optimization of the combustion process are achieved, and the combustion efficiency, the system stability and the automation level are effectively improved.

A vehicle control method, comprising: acquiring suspension real-time response information for a suspension of a vehicle; when it is determined on the basis of the suspension real-time response information that a current driving working condition of the vehicle is a pulse excitation working condition, determining a pulse excitation scenario for the pulse excitation working condition; and determining a damping control mode of an electrically controlled shock absorber having continuously-adjustable damping in the pulse excitation scenario, and controlling said electrically controlled shock absorber by means of the damping control mode. Also disclosed are a corresponding control device, a vehicle and a storage medium. The control method realizes generation of corresponding control policies for different pulse excitation scenarios to control an electronically controlled shock absorber having continuously-adjustable damping, thereby improving the control efficiency for the shock absorber.

The invention relates to the technical field of disinfection devices, and discloses a disinfection device control method, a disinfection device and a computer readable storage medium, the disinfection device control method comprises the following steps: receiving an area selection instruction, and determining a target processing area according to the area selection instruction; receiving a mode selection instruction, and determining a target processing mode according to the mode selection instruction; according to the invention, a user can autonomously select the target area according to actual requirements, so that energy waste caused by idling of a chamber which does not need to be treated is avoided, and the treatment requirements of different spaces can be met in a targeted manner; the target processing mode is accurately matched through the mode selection instruction, so that the disinfection device only executes the corresponding function in the selected area, it is ensured that the processing effect meets the actual requirement, the operation process is simplified, and on-demand processing can be achieved without complex setting. And the disinfection device can be flexibly adapted to diversified use scenes through the control logic of double autonomous selection.

The invention discloses an engine cold starting method, device and equipment of a hybrid vehicle and a storage medium, relates to the technical field of engine control, and discloses the engine cold starting method of the hybrid vehicle, which comprises the following steps: acquiring the charge state of a battery and the lubricating oil temperature of an engine; identifying a target cold start control mode according to the charge state or the lubricating oil temperature; according to the target cold start control mode, the operation state of at least one of an electromagnetic valve switch, a heat exchanger water inlet pipeline, a heat exchanger, a driving motor water outlet pipeline, a driving motor water inlet pipeline and a heat exchanger water outlet pipeline is controlled, and whether the vehicle meets the engine start condition or not is detected; and when the vehicle meets the engine starting condition, the engine is controlled to be started. Accurate control during cold start of the engine of the hybrid vehicle is achieved, engine oil preheating and start time is optimized, then the cold start efficiency of the engine is improved, and cold start energy consumption and emission are reduced.

A multi-mode control module for selectively controlling a flow of one or more fluids through a thermal management system is disclosed. The control module includes a fluid valve system in fluid communication with one or more fluid manifolds. The fluid valve system includes at least one fluid valve assembly disposed in a housing defining a plurality of flow paths. Each fluid valve assembly includes a plurality of flow control members in stacked relationship moveably disposed and selectively positionable within the housing to achieve various operating modes of the control module, and thereby, the thermal management system.