90 results about "Time switching" patented technology

The invention relates to the technical field of carrying equipment. The multi-platform compatibility optimization method and system for the carrying equipment controller are provided, and the method comprises the following steps: carrying out dynamic monitoring and topology analysis processing on a network node connection relationship of a carrying equipment cluster, and generating a dynamic network topological graph and a link state data set; performing training processing on the mapping relation between the network state and the protocol parameter, and generating a protocol parameter dynamic adjustment strategy and a protocol decision table; performing real-time switching processing on the cross-platform communication protocol stack to generate a control instruction data stream compatible with multiple platforms; performing dynamic updating processing on a reward function of the reinforcement learning model, triggering protocol parameter optimization to be executed again, and generating an iterative optimization protocol parameter dynamic adjustment strategy; the problems that topology awareness and dynamic response depended on by static routing are missing, protocol switching and compression ratio self-adaptive adjustment of network parameter solidification are invalid, and cross-platform instruction conflicts and transmission efficiency degradation of heterogeneous protocol adaptation are caused are solved.

The invention discloses a standby power supply intelligent monitoring and switching control system and method based on the Internet of Things, and relates to the technical field of standby power supply intelligent switching, and the method comprises the following steps: setting an optimal reference switching time threshold in combination with the historical operation data, load characteristics and technical specifications of standby power supply switching; an initial secure handover period is defined. According to the invention, the key jump from timed switching to state sensing driving switching is realized, so that the system can comprehensively sense the phase synchronization state between the main power supply and the standby power supply before switching, and the phase jump trend is dynamically predicted and intelligently judged in combination with a machine learning model; therefore, impact current, equipment damage and regional tripping risks caused by forced switching due to inconsistent phases are effectively avoided, and the safety, the accuracy and the intelligent level of the switching process of the standby power supply are remarkably improved.

The invention discloses a hydrogen fuel cell ship power switching system, which relates to the technical field of hydrogen fuel cell ship hybrid power, and comprises a topological optimization module for optimizing a series-parallel topological structure of a fuel cell stack through a quantum annealing algorithm based on a multi-modal data set, the reconfigurable bipolar plate magnetic control switch is triggered to execute millisecond topology switching, and a topology state coding signal is synchronously generated; and the compensation module is used for inputting the topological state coding signal into the LSTM model, predicting a fault risk value, correcting the time step length of a leakage diffusion equation according to the real-time switching frequency of a magnetic control switch, and calculating a ship inclination angle correction term according to the corrected time step length. According to the invention, through an accurate fault prediction and compensation mechanism, operation interruption and maintenance cost caused by unpredictable faults are greatly reduced.

The invention provides an AC / DC converter for microgrid distributed power supply access and a hybrid optimization control method. The method comprises the following steps: presetting the maximum switching frequency fsmax of a DAB converter; when the real-time switching frequency fs of the DAB converter is smaller than the preset maximum switching frequency fsmax, modulating the DAB converter by using the frequency conversion SPS; when the switching frequency fs reaches a preset maximum switching frequency fsmax, modulating the DAB converter by using a fixed-frequency EPS, and enabling fs to be equal to fsmax; when the fixed-frequency EPS is used for modulation, if Iacsin (omega t) is smaller than or equal to nVdc (K1) / (8fsLkK2), the DAB converter is in an internal mode; otherwise, enabling the DAB converter to be in an external mode. According to the method disclosed by the invention, all the switching tubes can realize zero-voltage switching in a full-load range, and the converter can keep high PF and low THD values.

The invention discloses a switching system dynamic quantization control method and device based on event-triggered communication, and the method comprises the steps: building a continuous time switching linear system model for a switching system, and giving a system stability guarantee mechanism; designing a dynamic quantizer for the continuous time switching linear system model, giving a dynamic quantization parameter and a dynamic quantization updating strategy, and cooperatively designing an event triggering mechanism according to a state variable of the system and the dynamic quantization parameter; and designing a switching law according to an event triggering mechanism, and adjusting dynamic quantization parameters of the system to realize stable control of the system. On the premise of ensuring the system performance, the communication frequency and calculation burden of the system can be reduced, the resource utilization efficiency of the system can be improved, the method can be widely applied to the fields of network control systems, industrial automation systems and the like, and an effective solution is provided for solving the control problem of a complex system.

The invention discloses an enhanced transient stability improvement strategy and system for a grid-forming converter based on current amplitude limiting, and aims to effectively suppress a power angle instability phenomenon in a power grid fault or transient period and ensure that the converter has higher stability in a grid-connected process. The specific implementation comprises a dynamic dq-axis current amplitude limiting control strategy and a reference power control structure. Three-phase voltage and current of a grid-connected point of the converter are measured in real time, and a dq-axis current reference value and a power ring reference value are dynamically adjusted by combining a power angle and angular velocity deviation in an active power link, so that power angle instability during a transient period is accurately inhibited. According to the control strategy, the risks of overcurrent and system instability are effectively reduced, and particularly when a power grid breaks down or is in a normal condition, quick response and stable output of the system are ensured by switching the control modes in real time.

The invention relates to the technical field of wireless communication, and discloses an adaptive LDPC code coding method, system and device based on evaporation waveguide field intensity distribution, and a medium, and the method comprises the steps: obtaining the evaporation waveguide field intensity distribution in real time, and generating a field intensity distribution diagram; calculating a channel state parameter, and dynamically selecting a low-density parity check code rate according to the channel state parameter information; dynamic low-density parity check coding is adopted, and a sparse structure is adjusted through a check matrix, so that real-time switching of multi-code-rate low-density parity check codes is carried out; and a receiving end carries out decoding by adopting an NW-RBP decoding algorithm, defines a node updating rule, and dynamically schedules a node updating sequence through a residual error. According to the method, the bit error rate under a complex channel is reduced, and meanwhile, the reliable transmission efficiency of system data is improved.

This application provides a current limiting protection method and system for a variable speed constant frequency device. The method includes: First, the variable speed constant frequency device operates in a constant voltage state during normal operation; Second, it determines whether a hardware overcurrent protection event has occurred. If so, it proceeds to the third step; otherwise, it returns to the first step; Third, it performs a fault reset and automatically restarts the variable speed constant frequency device to operate in a constant current state. Furthermore, after operating in this constant current state, it determines whether the hardware overcurrent protection event is caused by a short circuit, overload, or other temporary sudden anomaly. If it is a short circuit, it maintains a preset current output for a certain duration, allowing the downstream circuit time to switch power and maintain circuit stability. If it is an overload, it performs overload protection and shuts down to prevent circuit damage. If it is neither a short circuit nor an overload, it is generally a temporary sudden anomaly, and it can switch back to operating in a constant voltage state.

The invention provides a communication method and device, and the method comprises the steps: determining a frequency domain resource where switching time is located when uplink transmission is switched from a frequency domain resource before switching to a frequency domain resource after switching; wherein the frequency domain resources before switching are M frequency domain resources, the frequency domain resources after switching are N frequency domain resources, M and N are positive integers, the sum of M and N is greater than or equal to 2, and the frequency domain resources are frequency bands or carriers. Wherein the switching time is the time when the frequency domain resource before switching is switched to the frequency domain resource after switching, the frequency domain resource where the switching time is located is the frequency domain resource before switching, the frequency domain resource after switching comprises a second frequency domain resource, and the second frequency domain resource carries second control information. By adopting the method, the influence of the switching time on the uplink transmission can be reduced, and the probability that the uplink control information is correctly transmitted is effectively improved.

The invention discloses an intelligent control method and system for real-time switching of a frequency converter, and relates to the field of real-time switching control of the frequency converter, and the method comprises the steps: analyzing the change slope of a frequency deviation time sequence through linear regression based on the phase angle and frequency value of the current output voltage of the frequency converter; meanwhile, the phase angle difference value variation between adjacent sampling points is calculated; the method comprises the following steps of: establishing a state machine of transfer logic, entering a phase angle monitoring state after the frequency is continuously converged, and generating a switching ready signal after judging that a frequency deviation trend and a phase angle difference trend both meet a stable approaching condition; after switching is completed, the switching stability is analyzed through the fluctuation amplitude of the output current and the change trend of the instantaneous rotating speed change rate, a closed-loop correction mechanism is started when the switching stability is detected to be abnormal, the optimal switching moment of the frequency converter is determined, and it is guaranteed that the motor runs stably before and after switching.

The invention provides a multi-cycle modulation driving assembly, method, system and product. A control plane and hardware are decoupled by utilizing an SDN technology, a remote controller can realize storage unit data configuration and circuit logic device programming of different devices according to codes of controlled devices, and various periodic / non-periodic time sequence driving signals required by various device chips are provided; and the time sequence requirements of array driving and data reading of different equipment chips are met. The multi-cycle modulation driving assembly comprises a state division assembly, a synchronous multi-cycle configuration assembly and a single-cycle modulation assembly. The state division component is used for performing functional decoding according to the function mode of the equipment and generating a trigger signal matched with a time sequence according to the specific function mode; the synchronous multi-cycle configuration component is used for generating multiple types of cycle / non-cycle enable signals under different dominant frequencies according to the configuration information so as to realize multi-cycle time sequence driving; the single-cycle modulation assembly can be used as a universal modulation unit, and each unit can generate periodic in-compact time sequence driving signals according to configuration information and multi-cycle driving signals, so that the driving requirements of digital and analog reading units of different equipment chips are met. According to the invention, the overall time sequence structure of the driving chip can be greatly simplified, and the remote controller can realize the output of multi-period modulation driving signals in batches by using the programmable interconnection connection sub-module array generated by software; and the requirements of different devices on flexible configuration and real-time switching of periodic and non-periodic driving signals in multiple modes can be met without additional independent customized design. The design complexity is reduced, each module subunit can be configured with an independent time sequence outside a chip, the error-tolerant rate and flexibility of chip time sequence design are improved, and meanwhile the design period is shortened through reusability of multiple modules.

The invention provides an asymmetric modulation method and device for a bidirectional resonant DAB converter, and the method comprises the steps: determining the real-time duty ratio of any switching tube in a primary full bridge through the real-time working parameters of the bidirectional resonant DAB converter, and determining the real-time switching frequencies of a switching tube corresponding to the primary full bridge and a switching tube corresponding to a secondary full bridge, and enabling the real-time duty ratio of other switching tubes located on the same bridge arm with any switching tube to be complementary with the real-time duty ratio of any switching tube, thereby obtaining the real-time duty ratio of any switching tube according to the real-time duty ratio of the switching tube of the primary full bridge, the real-time duty ratio of the switching tube of the secondary full bridge and the real-time switching frequency. And controlling the switching states of a switching tube corresponding to the primary side full bridge and a switching tube corresponding to the secondary side full bridge, and asymmetrically modulating the bidirectional resonant DAB converter, thereby realizing the asymmetrical control of the positive high level duration and the negative high level duration of the midpoint voltage of the bridge arm of the primary side full bridge, and optimizing the reactive power.

The invention relates to the field of mechanical arm control, and discloses a sliding mode control method and system for a single-link mechanical arm under multi-node DoS attack, and the method comprises the steps: 1, constructing a dynamic model of the single-link mechanical arm, and constructing a T-S fuzzy switching model of the single-link mechanical arm as a controlled object; step 2, constructing a multi-node DoS attack model and acting on a communication channel between the sensor and the controller; step 3, introducing an RR communication protocol into a communication channel between the controller and the actuator; 4, constructing a fuzzy sliding mode controller; a closed-loop control system is integrated, and sliding mode control over the single-connecting-rod mechanical arm system is achieved. According to the method, T-S fuzzy modeling, the average residence time switching strategy, the sliding mode control law and the RR communication protocol are combined, the problems of high system nonlinearity, frequent working mode switching, limited communication resources, multi-node DoS attacks and the like in the posture control process of the mechanical arm are solved, and the safety, stability and control precision of the single-connecting-rod mechanical arm under complex working conditions are improved.

The invention provides a communication protocol adaptive switching method and device, a storage medium and a system, and the method comprises the steps: obtaining a voltage sampling signal of a communication line, and carrying out the preprocessing of the voltage sampling signal, and obtaining a voltage signal; extracting structural features of the voltage signal, wherein the structural features at least comprise a voltage start-stop character and a level form; matching the structural features of the voltage signal with a preset protocol template to obtain a communication protocol type of a communication line corresponding to the voltage signal, the preset protocol template being a mapping relation template of the communication protocol type and the structural features of the voltage signal; and controlling a protocol interface of the communication module according to the communication protocol type so as to realize switching of the communication protocol type. According to the invention, the problems that the communication delay is high and the requirement of multi-protocol real-time switching is difficult to meet due to the fact that switching needs to be carried out by relying on MCU (Micro Control Unit) software identification protocol formats when the Internet of Things module is adapted to different communication modes in the prior art are solved.

This invention discloses an intelligent control method for industrial park power load, relating to the field of energy utilization technology. Addressing the problem of inability to intelligently control industrial park power load, this solution includes a server, power line control equipment, power quality monitoring equipment, and power line load monitoring equipment. The server uses current and historical external power quality data to perform weighted prediction of power quality trends for subsequent time periods and controls external power lines. The power line control equipment receives real-time switching control commands for external power lines from the server. The power quality monitoring equipment collects and sends multi-dimensional quality data from both external and internal power lines to the server in real time. The power line load monitoring equipment sends internal power line load data to the server in real time. The advantage lies in intelligently controlling the industrial park's power load through pre-allocated lines, dynamic line control, load balancing, and pre-generated production plans, thereby reducing production risks.

The invention discloses a single-stage bidirectional DC-AC converter minimum current stress optimization method, system and device and a medium, and belongs to the technical field of power electronic converter control, and the method comprises the steps: building an operation mechanism comprising four effective working modes based on the single-stage bidirectional DC-AC converter through a frequency conversion phase shift control strategy and aiming at bidirectional energy transmission demands, the inverter and the rectifier respectively correspond to inversion and rectification modes under different relations of input and output voltages. Taking the minimum current stress as a target function, solving the optimal shift ratio by combining the transmission power constraint and the soft switching condition, and calculating the real-time switching frequency by adopting equal power modulation. Frequency conversion control is introduced on the basis of phase shift control, power factor correction and soft switching constraint can be achieved at the same time, the optimal phase shift ratio and the switching frequency are directly solved through an analytical expression, and the calculation complexity of a traditional iterative algorithm is avoided.

Provided in the present invention are a driving assembly, method and system for multi-period modulation, and a product. A control plane is decoupled from hardware by using, for example, SDN technology. A remote controller can implement the storage unit data configuration and circuit logic device programming of different devices on the basis of codes of controlled devices, provides various periodic / aperiodic timing driver signals required by various device chips, and is compatible with the timing requirements for the array driving and data reading of different device chips. The driving assembly for multi-period modulation comprises a state division assembly, a synchronous multi-period configuration assembly, and a single-period modulation assembly, wherein the state division assembly is used for performing functional decoding on the basis of a functional mode of a device and generating a timing-matched trigger signal on the basis of a specific functional mode; the synchronous multi-period configuration assembly is used for generating a plurality of types of periodic / aperiodic enable signals at different dominant frequencies on the basis of configuration information, so as to implement multi-period timing driving; and the single-period modulation assembly can be used as universal modulation units, and each unit can generate a periodic composite on-chip timing driver signal on the basis of the configuration information and a multi-period driver signal, so as to meet the driving requirements of digital and analog readout units of different device chips. The present invention as provided can greatly simplify the overall timing structure of a driver chip. By using a software-generated programmable interconnection connection sub-module array, the remote controller can output multi-period modulated driver signals in batches, and can meet the requirements of different devices for the multi-mode flexible configuration and real-time switching of periodic and aperiodic driver signals without the need for additional individual custom design. The design complexity is reduced. In addition, each module subunit can be configured with separate timing off-chip, thereby improving the fault tolerance rate and flexibility of chip timing design. Moreover, the reusability of multiple modules shortens the design period.

A shipborne VDES radio frequency transmit-receive terminal is characterized in that the shipborne VDES radio frequency transmit-receive terminal comprises a receiving channel which filters and amplifies a radio frequency signal received by a VDES satellite antenna and then sends the radio frequency signal to a baseband processing module for digital sampling and signal processing; a signal of the transmitting channel is generated by a data conversion circuit of the baseband processing module, and a radio frequency signal is transmitted to an antenna through filtering and amplification in the transmitting channel; and the transmit-receive switch is controlled by the baseband processing module to ensure real-time switching of the receiving channel and the transmitting channel.

The invention relates to an ultrasonic wave flight time measuring method and device, electronic equipment and a readable medium, and the method comprises the steps: applying a driving signal to a first transducer, enabling the first transducer to emit ultrasonic waves, and starting a timer to collect a transmitted waveform sequence; calculating the minimum flight time as a coarse value based on the distance between the transducers and the resultant velocity of the sound velocity and the wind speed; after the time is over, collecting a receiving waveform sequence of which the count value and the amplitude are within a preset range; transmitting and receiving waveforms are analyzed through waveform matching, a time offset value is obtained, and a coarse value is corrected to obtain first absolute flight time; switching a transmitting-receiving transducer, and similarly obtaining second absolute flight time; and matching the two received waveforms, calculating the offset time for correcting the difference between the two minimum flight times, and finally obtaining the high-precision relative flight time. The problem that the measurement precision and the operation efficiency cannot be considered when the ultrasonic flight time is measured is solved.

The present invention relates to a method for controlling the maximum power output of a rectifier under three-phase imbalance, comprising: determining the total active power of the three-phase input in a three-phase working mode; determining the maximum power of the two-phase input in a two-phase working mode; comparing the total active power of the three-phase input with the maximum power of the two-phase input; and switching the three-phase mode to the two-phase mode when the total active power of the three-phase input is less than the maximum power of the two-phase input. The present invention intelligently switches between the three-phase mode and the two-phase mode according to the current imbalance of the grid voltage, so that the rectifier operates at the maximum output power point. The final effect is: under the condition of grid imbalance, the rectifier circuit system always maintains a high DC power supply output through real-time switching, which greatly improves the utilization rate of the grid voltage and improves the reliability of the rectifier equipment and the power-consuming equipment.

Provided in the present application are a communication method and apparatus. The method comprises: when uplink transmission is switched from frequency-domain resources prior to switching to frequency-domain resources after switching, determining a frequency-domain resource located during a switching time, wherein the frequency-domain resources prior to switching are M frequency-domain resources, the frequency-domain resources after switching are N frequency-domain resources, M and N are positive integers, the sum of M and N is greater than or equal to 2, and the frequency-domain resources are bands or carriers; and the switching time is a time for switching from the frequency-domain resources prior to switching to the frequency-domain resources after switching, the frequency-domain resource located during the switching time is a frequency-domain resource prior to switching, the frequency-domain resources after switching include a second frequency-domain resource, and the second frequency-domain resource carries second control information. By using the method, the influence of a switching time on uplink transmission can be reduced, thereby effectively improving the probability of uplink control information being correctly transmitted.

The invention provides a method, a system, equipment and a medium for switching among multiple access points of a power wireless local area network, and the method comprises the steps: receiving broadcast frames of all wireless access points in the power wireless local area network in real time when a mobile terminal communicates with the power wireless local area network; obtaining a state parameter of each wireless access point in the power wireless local area network; calculating an optimal wireless access point in the power wireless local area network in real time according to the state parameters; the mobile terminal is switched from the current wireless access point to the optimal wireless access point, and real-time switching of the optimal access point is realized, so that the signal quality of the mobile terminal is ensured, and the communication continuity, the data transmission stability and the operation safety of the inspection robot in a complex power operation environment are effectively ensured.

The invention discloses a Sigma-Delta ADC (Analog to Digital Converter) based on a unipolar thin film transistor, a chip and equipment, and the ADC comprises a discrete time switched capacitor which is used for converting an analog input signal into a digital bit stream for a subsequent integrator to integrate; the integrator adopts a three-stage amplifier structure and consists of three stages of amplifiers based on a common current source, and an output integral signal is input into the comparator; the comparator is realized by adopting a structure of cascading a two-stage common current source amplifier and a D trigger; the common current source amplifier is used as a basic structure of a comparator and an integrator and is realized in a positive feedback form. According to the invention, a discrete time synchronization structure is adopted, the circuit design is simplified, the use of a large-area capacitor and a high-power consumption current source is avoided, and the power consumption is further reduced and the gain and bandwidth performance of the circuit is maintained in combination with the common current source (CCS) design. The method is suitable for low-power-consumption and high-precision biological signal acquisition and portable equipment, and has a wide application prospect.

In a method of operation of an STA in a wireless LAN system, the STA receives a first PPDU of OBSS on a main channel and switches the operating channel from the main channel to an NPCA main channel based on an NPCA switching condition, wherein the NPCA switching condition includes a condition that the first PPDU is a PPDU of an inter-BSS and a condition that the NPCA operating period is greater than the minimum duration of the NPCA, and after switching to the NPCA main channel, operates on the NPCA main channel from the end of the NPCA operating period until a point in time preceding the channel switching back delay, and switches the operating channel during the channel switching back delay time to operate on the main channel at the end of the NPCA operating period.

The invention discloses a multi-time-point rollback complete machine disaster recovery system and method based on continuous data protection, and relates to the technical field of computer data disaster recovery. The system comprises a source host, a target machine, a control center, a synchronous engine and a switching engine, and full-amount and incremental data capture, transmission and multi-version management are achieved through the synchronous engine; and the switching engine supports one-key switching to a specified time point, dynamically modifies the starting sequence of the target machine to load a source host system, and supports target machine resetting to realize multiple switching. The method covers target machine environment preparation, data synchronization, fault switching and multiple rollback processes, storage occupation is reduced through file backup and difference comparison, and the problems that traditional disaster recovery switching is low in efficiency, high in environment dependence and limited in single-time switching are solved.

The application discloses a channel estimation method for a smart medical STAR-RIS communication system, and belongs to the fields of wireless communication, STAR-RIS and channel estimation. In the STAR-RIS assisted single base station communication scenario of the smart medical STAR-RIS communication system, two different STAR-RIS transmission protocols (Energy Splitting, ES and Time Switching, TS) are considered, a least square algorithm is used to construct a minimum system channel estimation mean square error optimization problem of the two transmission protocols, and joint optimization design of a sending end training signal sequence and amplitude coefficients and phase coefficients of the STAR-RIS is given, so that downlink channel estimation is realized.

The invention discloses a wireless energy supply OAM communication system design and optimization method based on a time switching protocol, and relates to the technical field of communication, and the method comprises the steps: obtaining array configuration data of a base station and energy limited equipment, calculating channel parameters, and determining power distribution; generating a modulation matrix according to the OAM mode order, and dividing a time period into an energy transmission time period and an information transmission time period; energy acquisition data and link capacity are calculated, an optimal time switching factor is determined by adopting a convex optimization method by taking maximization of uplink total capacity as a target under the condition that the constraint of a service quality threshold value is met, and finally, a base station is controlled to complete cooperative transmission of energy and information; the method has the advantages that through deep fusion of OAM mode multiplexing and TS protocols, dynamic optimal balance of energy transmission and information transmission is achieved on the premise that the service quality is guaranteed, and the spectrum efficiency and the energy efficiency of a communication system are improved.

A user equipment may receive, from a serving radio network node, handover prediction configuration information indicative of at least one handover prediction criterion. A learning model executed by the user equipment may determine, based on the at least one handover prediction criterion, at least one handover event prediction and a confidence level corresponding to the learning model. The user equipment may adjust a time criterion of the at least one handover prediction criterion if the confidence level does not satisfy a confidence level criterion of the at least one handover prediction criterion. Based on the adjusted time handover prediction criterion, the learning model may determine an updated handover event prediction and an updated confidence level that satisfies the confidence level criterion and may report the updated prediction to the node. The node may adjust scheduling of delivery of traffic directed to the user equipment based on the updated prediction.

Embodiments of the present application provide a method and device for configuring a codebook feedback mode, a base station device and a storage medium. The method for configuring the codebook feedback mode comprises: periodically counting a scheduling traffic during a carrier aggregation service process to obtain a scheduling traffic counting result; determining a scheduling condition according to the scheduling traffic counting result; and configuring a target codebook feedback mode according to the scheduling condition. Embodiments of the present application periodically count the scheduling traffic during the carrier aggregation service process, dynamically modify the codebook feedback mode according to the scheduling condition, realize real-time switching of dynamic HARQ codebook and semi-static HARQ codebook feedback modes, and achieve the purpose of using the semi-static codebook to save scheduling time and reduce control processes when scheduling is intensive, and using the dynamic codebook to save resources when scheduling is sparse.

The invention provides a SiCMOSFET switching loss collaborative optimization method and system based on dynamic threshold regulation, and the method comprises the steps: extracting a first-order inflection point moment through analyzing a gate-source voltage transient slope evolution path, enabling the first-order inflection point moment to serve as a time anchor point to correlate with the voltage drop of a body diode so as to invert the junction temperature influence, and fusing a net gate charge attenuation trend to represent a process and an aging effect, thereby achieving the collaborative optimization of the switching loss of a SiCMOSFET. Generating a double-point asymmetric judgment point evolved along with the real-time state of the device; the carrier transport phase characteristics are combined to implement switch-on advance and switch-off delay, so that the driving action is accurately embedded into a real physical window for channel conductance establishment and depletion; therefore, turn-on triggering occurs at a critical forward moving point at which channel electrons begin to be effectively injected, turn-off triggering is maintained to the tail end of a channel carrier dominated depletion stage, the overlapping area is remarkably compressed, miller platform trailing and voltage overshoot are restrained, single-time switching energy loss is reduced fundamentally, and the performance of the device is improved. And the operation robustness of the system in a wide temperature range and a whole life cycle is improved.