31results about How to "Shorten the time interval" patented technology

The utility model discloses a vulcanizing device for automatic silica gel forming, which relates to the field of silica gel production vulcanizing technology and comprises two guide rails which are symmetrically arranged, vertical columns are fixedly arranged at the tops of the guide rails, and a heating assembly is slidably arranged between the two vertical columns through a lifting assembly. A first moving frame and a second moving frame which are the same in structure are placed between the two guide rails, and the second moving frame is located under the heating assembly. After the silica gel on the second moving frame is processed, the silica gel can be moved to the outside by pushing the grab handle to wait for cooling without waiting for cooling of the silica gel, so that the blanking convenience of the vulcanized silica gel can be improved, the trouble of manually taking out the vulcanized silica gel is avoided, and the production efficiency is improved. The problems that after silica gel is vulcanized, scalding vulcanized silica gel is difficult to take out, operation is inconvenient, the human body is scalded due to the fact that high-temperature vulcanized silica gel makes contact with the human body, and improvement is needed are solved.

The present disclosure relates to an image production method and device, electronic equipment and storage medium. The method comprises: obtaining a background layer image and rendering data of a plurality of candidate objects; sorting the plurality of candidate objects based on a preset sorting rule to obtain a target sequence; sequentially performing image rendering based on the rendering data of the candidate objects according to the target sequence to obtain a foreground layer image corresponding to the candidate objects; and in an image display process, in response to a switching instruction switching to a target object, synthesizing the foreground layer image corresponding to the target object and the background layer image to obtain a target image corresponding to the target object and displaying the target image. The target object is an object in the plurality of candidate objects. The time interval from detecting the switching instruction to displaying the target image corresponding to the switching instruction can be shortened, the target image can be quickly produced and timely displayed, and the image display and sharing process can be synchronized.

The utility model provides a kind of shrapnel launch pod for unmanned aerial vehicle, it is related to unmanned aerial vehicle load technical field, including unmanned aerial vehicle host computer and storage box, storage box is installed in the bottom end of unmanned aerial vehicle host computer, storage box is equipped with storage bin, the side of storage box is movably installed with rotary cover, one end of storage bin is equipped with waiting bin, the inside of storage bin is slidably installed with push plate, a plurality of springs are installed on push plate, a plurality of springs are connected with the side of storage bin, a plurality of shrapnel bodies are placed in storage bin, one shrapnel body in storage bin close to push plate is pasted with push plate, adjacent shrapnel body is pasted with each other, the bottom end of waiting bin is equipped with outlet, the bottom corner position of storage box is installed with a plurality of foot pads, a plurality of flight wings are installed on unmanned aerial vehicle host computer.The device reduces the time interval of air strike, reduces multiple to and fro flight, can effectively reduce the task cycle of unmanned aerial vehicle, reduces battle preparation time and improves task completion efficiency.

The invention provides a video behavior recognition method, system and device and a program product, and the method comprises the steps: obtaining a to-be-recognized video frame group and a to-be-recognized text cue word, the to-be-recognized video frame group comprising one or more to-be-recognized video frames; inputting the to-be-recognized video frame group into an image processing model, partitioning each to-be-recognized video frame through the image processing model, calculating importance scores of a plurality of to-be-selected image blocks obtained through partitioning, selecting the to-be-recognized image blocks based on the importance scores of the plurality of to-be-selected image blocks, and extracting to-be-recognized visual features of the to-be-recognized image blocks; inputting the to-be-recognized text cue words into a text network, and extracting to-be-recognized text features of the to-be-recognized text cue words through the text network; and inputting the to-be-recognized visual features and the to-be-recognized text features into the large language model to obtain a behavior recognition result output by the large language model. According to the invention, the reasoning efficiency and the accuracy of video behavior recognition are improved.

The application relates to the technical field of thread rolling machines, and particularly discloses a high-efficiency thread rolling machine which comprises a base and a mounting rack mounted on the base, a bearing frame is arranged on the mounting rack, a plurality of workpieces are mounted in the bearing frame, a conveying frame is slidably connected in the base, a power mechanism for driving the conveying frame to slide is arranged on the base, and a thread rolling assembly is further arranged on the side of the base away from the mounting rack. The automatic feeding, clamping and fixing and conveying integration operation of the workpieces can be realized, the time interval from the fixing to the thread rolling of the workpieces is effectively shortened, and the machining efficiency is improved. In the sliding stroke of the conveying frame, the clamping mechanism and the guide groove on the side plate are utilized to automatically clamp and fix the workpieces in the process that the conveying frame moves towards the thread rolling assembly, and the structure is compact and the action is reliable.

The utility model belongs to the technical field of temperature control equipment, and discloses a constant-temperature circulating water tank for a calorimeter. The constant-temperature circulating water tank for the calorimeter comprises a main water tank and an auxiliary water tank, the auxiliary water tank is installed on the side wall of the main water tank, a plurality of first partition plates with holes are arranged in the main water tank from top to bottom, and a water injection opening and an overflow opening are formed in the top of the main water tank and the top end of the side wall of the main water tank respectively. A circulating water outlet and a circulating water inlet are respectively formed in the bottom and the middle of the side wall of the main water tank. According to the constant-temperature circulating water tank for the calorimeter, the auxiliary water tank is embedded in the main water tank, serves as a temporary storage space to store hot water discharged by the calorimeter and is only in small-range contact with normal-temperature water in the main water tank, the water temperature of the water in the main water tank is regulated and controlled by the refrigerating mechanism and the heating element, and cooling of the hot water and storage of the normal-temperature water are isolated; the water treatment efficiency is improved, the time interval between experiments is reduced, and the problems in the background technology are solved.

A portable storage device and a method of operating the same are provided. The portable storage device includes a nonvolatile memory device for storing data, a storage controller, and a bridge chip set. The bridge chip set is connected to a first connector of a host through a cable assembly, detects a resistance of the cable assembly, provides USB type information of the first connector to the storage controller based on the detected resistance, and provides USB version information associated with an established USB connection to the storage controller after the USB connection is established with the host. The storage controller selects one of a plurality of initialization modes based on the USB type information and the USB version information, selects a clock signal having a frequency that is less than or equal to an available maximum power level, and performs an initialization operation based on the selected clock signal within an internal reference time interval.

This invention provides an integrated biological sample collection and testing device, relating to the field of biological sample collection technology. The container body contains a liquid-containing cavity, a test strip holder mounting cavity, and a drainage channel. A sealing membrane is provided between the distal end of the liquid-containing cavity and the drainage channel. A sampling rod is inserted into the liquid-containing cavity, with a blade at the distal end and a limiting block connected to the proximal end. A sealing structure is provided on the outer wall. The limiting block is positioned on the inner wall of the container lid via a first positioning structure. The container lid seals the proximal side of the container body and is further positioned on the container body via a second positioning structure, so that the blade of the sampling rod is suspended near the proximal end of the sealing membrane. This invention enables dry and wet separation, effectively improving the convenience and stability of the device during carrying, storage, and transportation. It facilitates rapid on-site testing, improves the accuracy and reliability of test results, and is simple in structure and easy to operate.

The utility model discloses a novel automatic liquid metering device, relates to the technical field of metering devices, and aims to solve the technical problems that a plurality of raw materials of a conventional titration device are relatively inconvenient to use according to a certain ratio, and the proportioning efficiency is seriously influenced, the novel automatic liquid metering device comprises a metering mechanism, a rotating mechanism and a driving mechanism, the metering mechanism is composed of two layers of frame plates, a transmission assembly is arranged on an upper layer plate of the two layers of frame plates, a precision balance is arranged on a lower layer plate of the two layers of frame plates, a base plate is arranged at an opening in the upper end of the box body, frames are distributed on the base plate at equal intervals, the rotating mechanism is installed on the upper sides of the interiors of the frames, and the rotating mechanism is composed of a rotating disc. A rotating shaft of the rotating disc is positioned on the frame body through a hoop, mother liquor bottles are distributed on the outer side of the rotating disc in an annular array mode, and a liquid dropping mechanism is installed at the bottom end in the frame body. The device has the advantages that raw materials for matching can be conveniently switched through the disc type structure, rapid matching is achieved, and the operation efficiency is greatly improved.

This invention relates to the field of connector appearance inspection technology, specifically to a connector appearance inspection device and its inspection process, including an inspection table and a first belt conveyor, a second belt conveyor, and a third belt conveyor respectively fixedly installed on the inspection table. It also includes: a top surface inspection unit, comprising a first inspection camera and a second inspection camera fixedly installed on the inspection table, the first inspection camera being located above the first belt conveyor and the second inspection camera being located above the second belt conveyor; and a position adjustment assembly, including at least three storage components for accommodating the connectors to be inspected and an adjustment structure for driving the storage components to move to a preset position and flip them over. This device can inspect all six sides of the connector, avoiding blind spots and improving the confidence and reliability of the overall inspection system. Furthermore, the multiple storage components reduce the time interval between flipping adjacent connectors, improving inspection efficiency.

The invention discloses an intelligent terminal and system for evaluating the consciousness state of an unconscious patient based on neurology department monitoring, and belongs to the technical field of medical treatment. According to the method, feature sampling is carried out on the collected neurology department monitoring real-time data of the coma patient, the preset evaluation index of the patient is obtained and analyzed, the key consciousness state risk evaluation parameter is marked as the patient consciousness state basic score of the current monitoring period, and the comprehensive evaluation result of the consciousness state of the coma patient is obtained. An evaluation model is constructed by combining monitoring data collection with key feature extraction, a convolutional neural network of a multi-feature extraction layer and a recurrent neural network of time sequence learning, weights are dynamically corrected by combining individual factors, intelligence and individuation of consciousness state evaluation are achieved, feature vectors of four types of indexes are optimized through the multi-feature extraction layer, and the evaluation accuracy of the consciousness state evaluation is improved. Dynamic correction is carried out by combining the age of the patient, the cause of coma and the monitoring period, so that the evaluation result can reflect the overall consciousness state and highlight the key risk point of the individual.

The utility model discloses a kind of concrete shake flat film laminating machine devices, including hollow square steel, the inner cavity of hollow square steel both ends is slidably connected with L square steel, the bottom of L square steel inner side wall is fixedly connected with conical rubber foot pad, film reel is placed between two conical rubber foot pads, the both sides of hollow square steel top end are provided with rectangular hole, the both sides of hollow square steel top end are also provided with multiple round holes, the part of L square steel placed in hollow square steel is provided with multiple screw holes, the inner wall of rectangular hole is slidably connected with T-shaped connecting block, spring is connected between two L square steels. The utility model integrates shake flat device and film reel in one, realizes the continuous operation of concrete shake flat and film laminating operation, effectively solve the problem of low construction efficiency caused by process switching in traditional separate operation mode, and shorten the time interval from shake flat completion to film laminating start.

The invention discloses a wall building robot which comprises a frame body, a first driving mechanism, a mortar throwing mechanism, a mortar conveying pipe and a mortar plastering mechanism. The first driving mechanism is mounted on the frame body; the mortar throwing mechanism is connected with a first output part of the first driving mechanism, so that the mortar throwing mechanism attaches mortar to a wall surface in a patting manner; the mortar conveying pipe is mounted on the mortar throwing mechanism so as to move along with the mortar throwing mechanism, and the mortar conveying pipe is used for conveying mortar to the mortar throwing mechanism; and the plastering mechanism is connected with the second output part of the first driving mechanism, so that the plastering mechanism flatly paves mortar attached to the wall surface on the wall surface along the mortar throwing path of the mortar throwing mechanism. The plastering device can replace workers to conduct plastering operation, and the working time sequence of mortar throwing and plastering is shortened.

The utility model provides a kind of air covering filament heat setting device, it is related to textile processing equipment technical field, the air covering filament heat setting device includes placing unit, closed unit, heating unit, heating unit is set on placing unit, heating unit can heat all bobbin in the placing area located in closed unit, this kind of air covering filament heat setting device when using, since by vertical plate and struts place bobbin, replace traditional cart, reduce the occupation of handling space by cart, thus can place more bobbin, to improve the heat setting efficiency of bobbin, while the bobbin in one of the placing area can be placed next batch of to-be-handled bobbin in another placing area in advance when handling, so that after the heat setting of last batch of bobbin is completed, cover can be quickly moved to to-be-handled bobbin, to shorten the time interval between twice heat setting, improve processing efficiency.

This utility model belongs to the field of veterinary instrument technology and relates to a livestock and poultry medication feeding device, including a cart, a medication container, and a water trough. The medication container has a water outlet pipe on its bottom side wall, and a first solenoid valve is installed on the water outlet pipe. A water supply pipe is located at the top inside the medication container, and multiple branch pipes are spaced apart along its axial direction on the water supply pipe. Each branch pipe has a second solenoid valve connected to its end furthest from the water supply pipe. The end of each second solenoid valve furthest from the water supply pipe is connected to a medication tube, which is a U-shaped tubular structure with its opening facing upwards. A level sensor is installed on the water trough to monitor its water level, and a controller is installed on the cart. The first solenoid valve, each second solenoid valve, and the level sensor are all electrically connected to the controller. This medication feeding device can monitor the water level in the trough using the level sensor, can prepare medication in multiple batches and add it to the trough for livestock and poultry to drink, can shorten the medication preparation time, help maintain the efficacy of the medication, and reduce the probability of medication failure.

This invention discloses a feeding system for electroslag remelting, comprising a clamping assembly, a gripping assembly, and a control assembly. The clamping assembly includes a stand and locking components, with at least two locking components fixed at intervals on the stand. The locking components are used to clamp or release consumable electrodes. The stand is equipped with a detection element for detecting the consumable electrodes. The gripping assembly includes a robotic arm and grippers. The grippers are mounted on the robotic arm, which drives the grippers to move between the clamping assembly and a target area. The grippers are used to clamp or release the consumable electrodes. The control assembly connects the locking components, the detection element, and the grippers. The control assembly can acquire the detection signal from the detection element and control the locking components to clamp the consumable electrodes. The control assembly can also control the grippers to clamp the consumable electrodes and then control the locking components to release them. This eliminates the need for manual intervention, improving safety and reliability.

This utility model relates to the technical field of stamping forming equipment, and provides a multi-directional stamping forming device, including a base, with support rods fixed at the edge of the top of the base, a top plate fixed at the top of the support rods, a stamping seat fixed at the top of the base, a positioning structure fixed at the top of the top plate, and an ejection structure inside the stamping seat. This utility model, by setting up a positioning structure and activating a hydraulic push rod to drive a lifting plate to move stably downwards, combined with a one-to-one correspondence design between the die core and the die cavity, can simultaneously perform stamping operations on multiple workpieces or different positions of the same workpiece, reducing the time interval between single stamping operations and significantly improving the overall stamping efficiency. It is suitable for mass production scenarios. Furthermore, during the cooperation between the positioning rod and the connecting plate, the spring's buffering effect reduces the impact and vibration during the stamping process, making the device operate more smoothly.

The present application relates to a kind of for the preparation of fuel cell catalyst layer step drying pipeline and its use method, comprising: conveying unit, low-pressure heat conduction drying unit, vacuum microwave drying unit and vacuum unit;The low-pressure heat conduction drying unit includes bottom heating device, low-pressure bin, first manifold branch, and the first manifold branch is connected with vacuum unit;The vacuum microwave drying unit includes vacuum bin, microwave heating device and second manifold branch, and the second manifold branch is connected with vacuum unit;Catalyst ink is under the action of conveying unit, respectively, in low-pressure bin in low-pressure state and in vacuum bin in vacuum state, bottom heating device carries out low-pressure heating, and microwave heating device carries out vacuum microwave drying.Compared with prior art, the present application improves the production efficiency of catalyst layer, reduces product defect, improves the degree of automation of catalyst layer, and realizes process flow programmable and wide range of application.

A multi-frame structured light reconstruction module comprises the following modules: a first laser projector for projecting laser light to a target; an infrared camera for collecting a depth image and a background image of the target; a processor module for obtaining a preset frame frequency value, continuously and sequentially collecting a first depth image, a background image and a second depth image of the same target according to the frame frequency value, generating a first effective image according to the difference between the gray values of corresponding pixels of the first depth image and the background image; generating a second effective image according to the difference between the gray values of corresponding pixels of the second depth image and the background image; and generating a depth image according to the depth reconstruction or three-dimensional reconstruction of the first depth image and the second depth image. The application can improve the multi-frame depth reconstruction result of the measured target under the condition that the background light is strong, shorten the time interval between the collection of adjacent two frames of images, and increase the detection distance.

The application discloses a metal recycling pretreatment equipment, and relates to the technical field of metal recycling, which comprises a rack, a first clamping and rotating device and a second clamping and rotating device, the first clamping and rotating device and the second clamping and rotating device are respectively used for clamping a body part and a head part of a metal can, and respectively drive the body and the head to rotate, a cutting device is arranged on the rack, the cutting device is used for cutting a connecting part between the body and the head, a swing driving device is used for driving the second clamping and rotating device to swing, so that the head is away from the body, a front and back driving device and a cleaning device, the front and back driving device is used for driving the cleaning device to sequentially approach the second clamping and rotating device and the first clamping and rotating device, so that the cleaning device can remove dirt on the inner wall of the head and dirt on the inner wall of the body. The metal recycling pretreatment equipment has compact structure, shortens the time interval between the cutting step and the dirt removing step, and improves the recycling efficiency of the metal can.

The application discloses a memory operation system compliant with DDR memory access timing, and belongs to the field of memory and scientific calculation, comprising: a row-level parallelism driven timing termination mechanism, which utilizes row nonlinear charging characteristics to reduce tail delay of tRCD and tRP; and a row block interleaving, row-column collaborative vector-matrix multiplication (VMM) access mechanism, which reduces tRAS and overlaps CL timing parameters without increasing peripheral column ADC precision overhead, and reduces cross-point RAM internal core delay; the proposed row access and column access collaborative optimization memory hardware design can enable VMM operation compliant with DDR memory access timing in a memory-centric manner, so as to realize efficient hardware execution of low-delay, high-bit-width data-intensive scientific calculation (computational physics) loads.

The application discloses an intelligent fire-fighting life jacket and an automatic triggering system for distress, which comprises a life jacket body, a water depth triggering assembly, a buoyancy assembly and a control system. The life jacket body comprises an outer fabric and a buoyancy core material; the water depth triggering assembly is arranged on the life jacket body; the buoyancy assembly is arranged on the life jacket body and comprises a gas cylinder and an air bag, and the gas cylinder and the air bag are connected; the control system is arranged on the life jacket body and comprises a controller and a power module, and the controller is electrically connected with the water depth triggering assembly and the buoyancy assembly. The outer fabric made of light and thin material and the buoyancy core material are adopted for the life jacket body, so that the basic buoyancy is provided and the overall thickness and volume are reduced. The buoyancy assembly adopts the mode that the high-pressure gas cylinder releases gas to the folded air bag to realize inflation, maintains a low profile in a normal state to facilitate operation activities, and can quickly generate additional buoyancy to resist sinking when in distress.

This invention discloses a multi-channel light-slice microscopic imaging device. The image acquisition module includes multiple image detectors. A laser array emits multiple excitation beams of different wavelengths, which are then combined into a single incident beam by an optical path module. This incident beam passes through a scanning galvanometer and an imaging module before illuminating the sample on a stage mounted on a three-dimensional displacement platform. The imaging objective in the imaging module collects fluorescence signals from the sample, which are then split by the beam-splitting module to form multiple fluorescence signals of different wavelengths and projected onto the multiple image detectors. Each image detector forms an image imaging channel. Multiple image imaging channels receive multiple fluorescence signals of different wavelengths and transmit them to the corresponding image detectors. The three-dimensional displacement platform enables three-dimensional displacement movement of the sample slice. By employing a strategy of continuous motion imaging of the sample slice and simultaneous detection and acquisition of fluorescence signals by multiple image detectors, the time interval between sample preparation and imaging, as well as the pauses during imaging, can be reduced.

This disclosure provides a method, apparatus, communication device, and storage medium for determining Physical Shared Channel (PSSCH) resources on a physical side crosslink. The method includes: determining a target PSFCH timing from M Physical Shared Feedback Channel (PSFCH) timings mapped from the PSSCH of a transport block (TB); determining the minimum time interval between any two PSSCH resources selected for the TB based on the target PSFCH timing; wherein the time interval between any two PSSCH resources selected for a TB is not less than the minimum time interval; the PSSCH resources are unlicensed frequency band resources used for the transmission and retransmission of the TB; the first PSSCH of the two PSSCH resources supports HARQ feedback; and M is an integer greater than 1. Thus, when transmitting a TB based on unlicensed frequency band PSSCH resources, it can be ensured that the minimum time interval is met between any two PSSCH resources selected for the TB, thereby ensuring that the TB supports retransmission based on HARQ feedback.

The application relates to the technical field of tin dipping equipment, in particular to a coil pin tin dipping device, which comprises a machine table, the top of the machine table is provided with a top frame and a tin dipping box, the side wall of the top frame is slidably connected with a transverse moving seat, the side wall of the transverse moving seat is provided with a lifting assembly, the lifting assembly is connected with a tin dipping seat, the tin dipping seat is provided with a coil taking piece for grabbing a coil, the top of the machine table is provided with a coil loading rack, and the coil loading rack is located in the moving path of the transverse moving seat. The application has the effect of improving the coil pin tin dipping efficiency.

This invention relates to the field of industrial process control technology and discloses an artificial intelligence-based adaptive control system for industrial parameters. The system includes a deviation acquisition module, a feature compression module, a segmentation processing module, a morphology recognition module, a transition analysis module, and a parameter update module. The deviation acquisition module collects deviation signals in real time; the feature compression module performs adaptive segmentation compression on the deviation signals, outputting a sequence of non-equally spaced deviation feature points; the segmentation processing module performs quality-sensitive weighted temporal segmentation based on the process operation stage; the morphology recognition module extracts multi-scale morphological features and maps segments to deviation morphological primitive types; the transition analysis module performs path matching on the observed sequence in a probability-weighted transition graph and calculates the correction urgency; the parameter update module determines the correction vector and step size based on the matching path, and updates the process model parameters after momentum smoothing. This invention achieves early perception and progressive correction of mismatch in slow time-varying models.

This utility model relates to the field of photovoltaic roof supports, specifically a novel photovoltaic roof support, comprising: a roof panel; a rotating block fixedly connected to the center of the surface of the drive rod; a support column fixedly connected to the top of the rotating block; a support plate fixedly connected to the top of the support column; connecting rings fixedly connected to all four sides of the support plate; bolts threadedly connected to the inner wall of the connecting rings; a mounting frame fixedly connected to the top of the support plate; and a first baffle rotatably connected to the tail of the top of the mounting frame. This utility model effectively reduces dust adhesion to the photovoltaic panel, thereby shortening the cleaning interval. Furthermore, by shielding the photovoltaic panel, it prevents reflection on the surface under moonlight, reducing the impact on visual observation and minimizing the attraction of insects due to reflection, thus protecting the photovoltaic panel. It also reduces the impact of photovoltaic panel installation and use on the surrounding environment.

An image acquisition method and device are provided. The method includes: periodically arranging time periods for acquiring color images; and within the time periods for acquiring color images, arranging time periods for acquiring depth images and infrared images, wherein the time periods for acquiring depth images and infrared images do not overlap, and the total duration of the time periods for acquiring depth images and infrared images is less than the total duration of the time periods for acquiring color images. This method shortens the time interval between capturing infrared and depth images, thereby improving the recognition efficiency and accuracy of face recognition technology.

A multi-channel patch transfer system and method, comprising a feeding conveyor and a plurality of discharging conveyors, a single discharging conveyor or a plurality of discharging conveyors correspondingly installed with a negative pressure rotary material taking device; the negative pressure rotary material taking device comprises a slotted suction head for sucking the material on the feeding conveyor; the reciprocating material pushing device comprises a pushing piece for pushing the material on the slotted suction head to the discharging conveyor. Each discharging conveyor is correspondingly provided with a negative pressure rotary material taking device and a reciprocating material pushing device, and each discharging conveyor is correspondingly provided with a packing machine (or a material collecting device or other equipment connected with the discharging conveyor), so that a plurality of packing machines can be added to pack the medical dressings on the same feeding conveyor; the more the number of slotted suction heads, the faster the transfer speed, which helps to greatly improve the transfer efficiency.

The application discloses a motor control method, system and related device, which is used for improving current tracking speed and current loop bandwidth, and enhancing dynamic response capability of the motor. The method comprises the following steps: when a pulse width modulation counter reaches a preset trigger count value, motor operation data is acquired, and current loop calculation is performed according to the motor operation data; before the current loop calculation is completed, a first comparison value group obtained by previous current loop calculation is used to generate a three-phase space vector pulse width modulation signal; when the current loop calculation is completed, a second comparison value group is determined according to a target voltage vector obtained by the current loop calculation, and instant updating is triggered, the second comparison value group is used to replace the first comparison value group, so that the second comparison value group takes effect before the pulse width modulation counter reaches the preset trigger count value next time; and the three-phase space vector pulse width modulation signal is generated according to the count value of the pulse width modulation counter and the second comparison value group after the taking effect, so as to control a three-phase inverter to drive the motor.