2678 results about "Mode control" patented technology

The invention discloses a directional detection method and system for a power supply shell based on a multi-source heterogeneous sensor, belongs to the field of material characteristic detection, and aims to solve the problems of single dimension, weak anti-interference performance, data isomerism and poor adaptability in traditional industrial detection. Through systematic innovation of multi-source sensor collaboration, dynamic mode control, cross-modal data fusion and self-learning optimization, a high-precision, high-efficiency and high-reliability solution is provided for the precision manufacturing field, and an optical, infrared and ultrasonic multi-modal collaborative detection framework is constructed; the optical unit realizes accurate capture of surface texture and morphology through polarized light imaging and 3D structured light scanning, the infrared thermal imaging unit analyzes the heat conduction characteristic of a material, and the ultrasonic array analyzes internal structure defects to form a surface-material-internal full-dimension detection capability; and nine types of defects such as scratches, pits, weld marks, bubbles, sink marks, material layering, stress cracking, thermal stress abnormity and material pollution are covered.

The invention provides a battery state of health (SOH) cooperative control method and system of a dynamic reconfigurable energy storage system, and belongs to the field of battery health. The method comprises the following steps: designing a multi-time-scale SOH real-time identification model based on transient characteristic quantification, and realizing second-level updating of an electric core-level health state map; and by adopting power-SOH dynamic matching double-layer reconstruction control, the health and balance of the battery pack are ensured. In addition, the SOH tracking error is less than 1.5% by utilizing a distributed collaborative observer and topology adaptive state estimation; dual-mode control is realized through model predictive control and grouping dynamic optimization; and finally, topology is optimized by using a deep learning strategy and a life loss entropy objective function, series-parallel mode life equalization is realized, and the combined life cycle of the system is prolonged. According to the invention, the service efficiency of the battery can be effectively improved, the service life of the battery is prolonged, and the reliability and stability of the whole energy storage system are greatly enhanced.

A display device includes: a display panel including a first area and a second area; and a panel driver configured to drive the display panel, to provide a first mode control signal to pixels in the first area, and to provide a second mode control signal to pixels in the second area, wherein the first area is configured to be driven in a first mode to display an image having a first viewing angle or a second mode to display an image having a second viewing angle narrower than the first viewing angle based on the first mode control signal, and wherein the second area is configured to be driven in the first mode or the second mode based on the second mode control signal.

The invention relates to a PFC-PWM (Pulse Width Modulation) dual-mode control method for a high-voltage direct-current power supply with a wide output voltage range. The output current of the high-voltage direct-current power supply is detected in real time, the critical threshold value of the load impedance is mapped into the hysteresis interval of the output current, the theoretical boundary of mode switching is obtained, and the control mode is dynamically adjusted. In order to further guarantee smooth switching of the two control modes, hysteresis control logic is designed, and undisturbed smooth switching of the PFM mode and the PWM mode is achieved. Based on an energy equivalence principle and a frequency consistency constraint of a critical load SWL working point, a current threshold criterion and a parameter pre-synchronization strategy are constructed, seamless connection of a mode switching process in a frequency domain and an energy domain is ensured, a transient oscillation risk is remarkably reduced, and a guarantee is provided for continuous and stable output of a full-range load working condition.

A display device can include a first mode sub-pixel having a first viewing angle and including a first emitting element, a second mode sub-pixel having a second viewing angle and including a second emitting element, a driving transistor connected to the first emitting element or the second emitting element, a first control transistor configured to connect the first emitting element to the driving transistor by being controlled by a mode selecting signal, a second control transistor configured to connect the second emitting element to the driving transistor by being controlled by the mode selecting signal, and a mode control line configured to apply the mode selection signal to the first switching transistor and the second switching transistor. The first control transistor and the second control transistor are applied with the mode selection signal from the same mode control line.

The invention discloses a vehicle escape method and device, a controller, a vehicle, a medium and a product. A trapped mode of the vehicle is determined according to trapped wheels of the vehicle; and according to the trapped mode, the wheels of the vehicle are controlled to execute the corresponding trapped-out operation so that the vehicle can be out of the trapped, and the vehicle can be out of the trapped in different trapped modes.

The invention relates to the technical field of smart home, and discloses an AI-based fan intelligent temperature regulation control system, which comprises a multi-dimensional data acquisition module for acquiring environment temperature, humidity, air quality, illumination intensity and human body state data; the data fusion and preprocessing module is used for carrying out denoising, standardization and time synchronization on the multi-dimensional data and fusing the multi-source data; the AI decision and control module is used for generating a speed regulation and mode control instruction of the fan based on the human body comfort evaluation model and an AI algorithm; and the feedback optimization and execution module is used for executing the control instruction. Through a multi-dimensional data perception and fusion technology, comprehensive monitoring of environment temperature and humidity, air quality and a human body state is realized. The AI intelligent regulation and control algorithm is combined, the fan speed and mode are dynamically adjusted, and the user comfort and energy consumption are balanced; through edge calculation and cloud optimization, real-time response and continuous adaptive optimization of the system are ensured, and the accuracy and stability of the system are improved.

The invention relates to a BUCK-BOOST converter control circuit, a control method and a safety air bag chip, the peak value of inductive current is detected through a current sampling compensation module, stable control of output voltage is achieved, the dynamic response speed is high, the loop stability is good, and meanwhile the circuit structure is simple. According to the BUCK-BOOST converter, stable switching of the working modes of the BUCK-BOOST converter is achieved through the mode control module, and it is ensured that the BUCK-BOOST converter can still work normally under the high voltage level. And the slope compensation unit is introduced into the circuit, so that subharmonic oscillation can be effectively prevented when the duty ratio of the PWM signal is greater than 50%, and the stability of the system is ensured.

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 embodiment of the invention provides a command completion message transmission method, system and device, and the method comprises the steps: obtaining the total number of processor cores and the queue depth of a target completion queue under the condition of determining that the processor cores complete a command processing task; determining a sending mode for sending a command completion message to the target completion queue according to the total core number and the queue depth; distributing residual credit values of the target completion queue according to the sending mode to obtain available credit values of the processor cores; and under the condition that the available credit value is greater than the preset credit threshold value, controlling the processor core to transmit the command completion message to the target completion queue according to the sending mode. Through the message transmission method and device, the problem that the message transmission efficiency is affected due to the fact that the message quantity of a certain completion queue exceeds the processing capacity of a host in the prior art, the queue is full and blocked is solved, and then the effect of improving the transmission efficiency of command completion message transmission is achieved.

The invention relates to the technical field of energy storage control, and discloses a cooperative control method and device for energy storage converters, and the method comprises the steps: carrying out the recognition and judgment of the strength of a power grid through employing an artificial intelligence algorithm based on the grid-connected point electrical parameters of a target energy storage converter, selecting a target operation mode, controlling each energy storage converter in a field to be switched to the target operation mode, the target operation mode comprises a network following mode or a network construction mode; and for each energy storage converter, if the system is disturbed, issuing a corresponding charging and discharging active power instruction to the energy storage battery according to the output of the energy storage battery in the energy storage converter and the SOC state. According to the invention, the power grid strength is intelligently judged based on the grid-connected electrical parameters, and the operation mode is automatically switched, so that the energy storage system can stably operate under different power grid conditions, the power quality can be improved by adopting a grid following mode in a strong power grid, and the system supporting capability is enhanced by adopting a grid construction mode in a weak power grid, and the overall power grid adaptability is improved.

The invention provides a vehicle mode control method and system and a vehicle, and belongs to the technical field of vehicles. According to the embodiment of the invention, the gearbox controller sends the second flag bit to the vehicle control unit, so that the vehicle control unit can comprehensively consider the first flag bit and the second flag bit to determine an appropriate low-speed direct-drive function flag bit, and then the low-speed direct-drive function of the vehicle is achieved through coordination between the gearbox controller and the vehicle control unit. Accurate control over the low-speed direct-drive mode is achieved, and the vehicle can be switched to the low-speed direct-drive mode at a proper time. On the other hand, by developing a low-speed direct-drive mode, the engine can drive the vehicle in a low-speed scene, the problem that the vehicle runs in winter and consumes too fast electricity is effectively solved, the electricity protection capacity of the vehicle is improved, the vehicle can be always kept in a four-wheel-drive state in a low-speed state, the phenomenon that the vehicle slips and drifts in snowy days is effectively avoided, and the service life of the vehicle is prolonged. And the driving safety of the vehicle is ensured.

The invention relates to the technical field of electric wheelchair control, in particular to a multi-mode navigation control method and system of an electric wheelchair controller. The method comprises the following steps: acquiring a real-time environment monitoring video based on an electric wheelchair high-definition camera; video jitter distortion compensation and dynamic object frame-by-frame continuous optical flow tracking are carried out on the real-time environment monitoring video, and a moving track of each dynamic object is generated; performing environment static obstacle accurate identification on the real-time environment monitoring video, and performing dynamic environment perception modeling based on a moving track of each dynamic object so as to generate a dynamic environment map; a navigation mode switching decision is made based on a real-time wheelchair operation instruction of the user to obtain a current navigation mode of the user, and the current navigation mode of the user comprises a rocker control mode and an intelligent navigation mode. According to the invention, efficient and intelligent multi-mode control of the electric wheelchair is realized, so that the electric wheelchair can more flexibly and safely cope with a complex environment.

The intelligent control method comprises the steps that a system architecture of the multi-heat-source coupling heat supply system is constructed, and the system architecture comprises a composite heat source module, an intelligent energy storage unit and an edge computing and internet-of-things platform; constructing a heat source energy efficiency dynamic evaluation matrix based on meteorological data and system monitoring data; constructing a multi-objective optimization model of the system, and solving the multi-objective optimization model in combination with the heat source energy efficiency dynamic evaluation matrix and an optimization algorithm to obtain an optimal solution; and dynamically distributing the output of each heat source according to the optimal solution. Controlling the system to operate in combination with multiple operation modes according to the external environment parameters and the actual operation parameters of the system; continuously optimizing related parameters of the system by adopting a reinforcement learning algorithm according to historical operation data and a reward function of the system; according to the scheme, the energy efficiency, flexibility, reliability and adaptability of the heat supply system are improved.

The invention belongs to the field of chip testing, and provides a test mode control circuit and method and a chip. The circuit comprises a data clock width identification module, a data time sequence generation module and a test control module, wherein the data time sequence generation module is respectively connected with the data clock width identification module and the test control module. The data clock width identification module receives test mode data and a clock single-line signal through an input / output pin of the chip, and processes the test mode data and the clock single-line signal to obtain a first signal; the data time sequence generation module receives test mode data and a clock single-line signal through an input / output pin of the chip, and processes the first signal according to the test mode data and the clock single-line signal to obtain a second signal; and the test control module detects the second signal, and if the second signal is matched with a preset signal, the chip enters a test mode. According to the invention, through a single-line transmission technology, the chip can enter a test mode only by multiplexing one input / output pin of the chip.

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 control method for enhancing the driving capacity of a vehicle on an ice and snow or non-paved road surface. The control method comprises the following steps: S1, identifying road surface information on which the vehicle runs; s2, starting a control mode; s3, triggering the control mode; s4, the automobile is controlled to enter a stable crawling mode, the feedforward basic torque of automobile running is calculated and adjusted, the feedback adjusting torque is obtained, and finally the comprehensive torque is obtained; s5, judging whether the automobile is in a stable driving state or not; s6, the automobile is controlled to enter a stable acceleration mode, and the comprehensive torque is gradually increased; and S7, when the driving wheels do not have the unstable state, arbitrating the increased comprehensive torque obtained in the step S6 and the torque generated when the driver steps on the accelerator, and taking the minimum value of the two as the final target torque to drive the automobile to leave the current road surface. According to the control method, control can be started when the wheels do not slip, so that the automobile can stably start and break away from a severe road surface.

The invention discloses a hovering display method and electronic equipment, and relates to the technical field of terminals. The method is applied to the electronic equipment comprising a flexible foldable screen, the flexible foldable screen comprises a first sub-screen and a second sub-screen, and the method comprises the steps that when the electronic equipment is in a hovering state, the electronic equipment displays a first interface on the first sub-screen. Wherein the first interface comprises a plurality of first options, the plurality of first options comprise options of the camera in a selected state, the first interface further comprises a plurality of shooting mode controls of the camera, and each shooting mode control corresponds to a shooting mode provided by the camera. In response to a selection operation on a first shooting mode control in the multiple shooting mode controls, the electronic equipment displays a second interface in the second sub-screen, and the second interface comprises a real-time preview image in a shooting mode corresponding to the first shooting mode control. Therefore, the man-machine interaction efficiency of the electronic equipment in the hovering state can be improved.

A display device may include a display panel having a first area, a second area adjacent to the first area in a first direction, and a third area adjacent to the second area in the first direction, and including first light emitting diodes, second light emitting diodes, first optical members, and second optical members. The display device may further include a mode controller configured to generate a mode selection signal corresponding to a driving mode of the display panel, and a mode selector configured to generate a selection signal based on the mode selection signal, and to supply the selection signal to the display panel. The first and second light emitting diodes and the first optical members may be disposed in each of the first, second, and third areas. The second optical members may be disposed in each of the second and third areas.

The invention relates to a multi-mode control method and device for an energy storage converter. The method comprises the following steps: aiming at the operation of an energy storage converter in a network following mode, establishing a second-order infinite impulse response IIR filter, and establishing a low-voltage ride-through control strategy based on conforming to repetitive control; for the operation of the energy storage converter in an off-grid mode, a three-phase four-bridge-arm topology is adopted to provide a zero-sequence path, and a preset proportional multi-resonance control strategy is established; establishing a parallel pre-synchronization control strategy aiming at the operation of the energy storage converter in a network construction mode; and realizing multi-mode control of the energy storage converter based on a low-voltage ride-through control strategy conforming to repetitive control, a preset proportional multi-resonance control strategy and a parallel pre-synchronization control strategy. Any resonant frequency and filtering radius can be set to suppress the harmonic peak, the system stability is ensured, meanwhile, compared with a traditional pre-synchronization method, pre-synchronization can be completed without additional control links by only utilizing the self frequency modulation characteristic, and control resources are greatly saved.

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 invention relates to the technical field of reactive power compensation of a power system, and discloses an active filter harmonic suppression and dynamic compensation system based on IGBT (Insulated Gate Bipolar Translator) multi-mode regulation and control. The system comprises a control module; the high-frequency harmonic detection module is electrically connected with the control module and is configured to detect a power grid harmonic signal in real time at a sampling rate of 200kHz and transmit the power grid harmonic signal to the control module; the IGBT gate driving compensation circuit is electrically connected with the control module and a preset IGBT module, and the control module dynamically adjusts the dead time and the switching frequency of the IGBT module through the IGBT gate driving compensation circuit; the IGBT junction temperature observer is electrically connected with the IGBT module and the control module and is configured to monitor the junction temperature of the IGBT module in real time and trigger the control module to start a derating protection mechanism when the junction temperature exceeds 125 DEG C; wherein the control module generates a PWM (Pulse Width Modulation) compensation waveform through a model prediction control algorithm unit based on a detection signal of the high-frequency harmonic detection module, so as to drive the IGBT module to execute harmonic compensation through the IGBT gate driving compensation circuit.

The invention relates to the technical field of intelligent control of injection molding machines, in particular to an injection molding machine closed-loop mold adjustment control system and method based on multi-sensor fusion and a self-adaptive algorithm, and the system comprises a sensing layer which adopts a multi-sensor fusion closed-loop feedback architecture and comprises a pressure sensing array, a displacement sensing unit and a temperature sensing array. The data acquisition module is used for synchronously acquiring mold clamping force, position and temperature data of a mold, constructing a three-dimensional error compensation model and realizing dynamic correction of the parallelism of the mold through space force field analysis; the execution layer comprises a servo motor, a belt wheel and a ball screw and is used for adjusting the position of the template; a double-closed-loop control module is arranged in the control layer, the double-closed-loop control module comprises outer ring mold clamping force control and inner ring position control, mold clamping force deviation serves as input of an outer ring, position correction is generated through a self-adaptive PID algorithm, the inner ring converts the position correction into a servo motor rotation angle instruction, and therefore precise control over the mold clamping force is achieved.

A display device may include a display panel including a plurality of subpixels, a mode control circuit configured to control a driving mode by determining a state of a user, a compensation control circuit configured to control compensation for at least one of a driving voltage and a data signal according to the user's state, a data driving circuit configured to supply a compensated data signal to the display panel according to control of the compensation control circuit, and a power management circuit configured to supply a compensated driving voltage to the display panel according to control of the compensation control circuit.

The invention provides an atmosphere push plate furnace driving system based on servo motor frequency conversion control. The atmosphere push plate furnace driving system comprises a real-time detection module, a multi-mode control module, a strategy generation module and a system optimization and evaluation module. The method comprises the following steps: analyzing collected real-time data of different targets, identifying a current working condition stage of a system, switching to a corresponding control mode according to the identified working condition stage so as to generate a corresponding control strategy, dynamically adjusting the rotating speed and the torque of a motor according to the control strategy, and carrying out optimization test and evaluation on the system; a real-time load monitoring and feedback mechanism is adopted, a control algorithm and a rotating speed and torque adjusting strategy are applied, effective vibration suppression measures are combined, the dynamic response characteristics of the servo motor can be fully utilized, the rotating speed and torque of the servo motor can be adjusted in real time according to load changes, and start-stop impact and mechanical vibration of the atmosphere pusher furnace are remarkably reduced.

The invention provides an embedded intelligent switch control system based on dual-mode detection, and relates to the technical field of intelligent control, and the system comprises a driving logic program building module which is responsible for configuring an infrared and sound cooperative dual-mode control channel; the main control sensing establishing module is responsible for writing driving logic into a main control chip and is connected with an infrared sensor and a sound sensor; the signal judgment module is responsible for driving the sensor to detect and judge the signal in a staggered manner and generating a switching instruction; and the switch state switching module is responsible for controlling the relay to switch the switch state according to the instruction. The technical problems that in the prior art, a traditional switch control system is high in false triggering rate, high in energy consumption and poor in scene adaptability due to a single triggering mode in a complex environment are solved, and the purposes that the false triggering rate and the energy consumption in the complex environment are reduced by judging a time zone and a flexible calibration mechanism through combination of infrared and sound dual-mode detection are achieved; and the scene adaptability is improved.

Disclosed is a display panel in which a ratio of a plurality of areas capable of independently controlling a viewing angle in a display area may be adjusted. The display panel includes pixel blocks including subpixels and multiplexer circuits disposed in a bezel area and individually connected to the pixel blocks. The multiplexer circuits supplies first and second mode control signals to any one of the pixel blocks. The subpixels include a first light-emitting element connected to a driving transistor through a first mode control transistor controlled by the first mode control signal, a second light-emitting element connected to the driving transistor through a second mode control transistor controlled by the second mode control signal, a first lens area disposed on the first light-emitting element, and a second lens area disposed on the second light-emitting element.

The present application provides a sentry mode control method and a device. In the method, by means of detecting a surrounding environment state of a vehicle, when the surrounding environment state of the vehicle meets a first preset condition, the surrounding environment state of the vehicle may be relatively safe, a specified device in the vehicle continues to perform sentry monitoring, and other related devices enter a dormant state; then, when the designated device detects that the surrounding environment of the vehicle meets a second preset condition, the safety of the vehicle may be endangered, the other related devices are promptly informed to enter a wake-up state; and monitoring of the surrounding environment of the vehicle is continuously performed. Thus, the devices in the vehicle can switch between the dormant state and the wake-up state on the basis of the surrounding environment state and do not have to always be in a working state, so that the service lives of the related devices in the vehicle are prolonged, the consumption of the power of a battery can be reduced, and the vehicle use experience of a vehicle owner is improved.

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 relates to the technical field of heating control, and discloses a special mode control method and device for heating equipment, the heating equipment and a medium, and the method comprises the steps: collecting the identity information of a target user; judging whether a target special mode exists or not based on the identity information, wherein the target special mode is a target control parameter set by the target user for the target heating equipment; if the target special mode does not exist, constructing the target special mode of the target user based on the identity information, and memorizing the target special mode according to the target control parameter of the target special mode and / or the operation condition of the target heating equipment after the target special mode controls the target heating equipment to heat; and when the target heating equipment is started by the target user next time, performing operation control by using the target special mode. Personalized setting of the special mode of the heating equipment can be achieved, manual parameter adjustment of a user can be effectively reduced by rapidly calling the memorized special mode, and the control efficiency of the heating equipment and the use experience of the user are improved.