30results about How to "Reduce false triggers" patented technology

The invention relates to the technical field of man-machine interaction, in particular to an intelligent screen turning-on and turning-off control method and system based on a microwave radar, which completely eradicates the risk of privacy disclosure and realizes high privacy protection through an identification mode of not collecting optical image information and only analyzing motion and vital signs through electromagnetic waves, and is not influenced by the environment, so that the intelligent screen turning-on and turning-off control method and system based on the microwave radar can be applied to intelligent screen turning-on and turning-off control. The system can stably work in severe environments such as all black and strong light, has super-strong environmental adaptability, and enables the judgment of screen opening to better conform to the real intention of a user by sensing the accurate postures of person existence, no person existence, approaching, departing, right facing or side facing, reduces false triggering to the greatest extent, improves the accuracy of system judgment, and improves the user experience. The instrument does not need to be kept in a bright state all the time in the operation process, when no person is in front of the instrument, the screen is automatically turned off at proper time, and when an operator comes to the front face of the instrument and prepares to operate the screen, screen display is automatically turned on, energy is saved, environment is protected, and the instrument is convenient to operate.

The embodiment of the invention provides a control method of swimming pool cleaning equipment and the swimming pool cleaning equipment. Relates to the technical field of cleaning equipment control. The swimming pool cleaning equipment comprises a power assembly and a buoyancy adjusting assembly. The buoyancy adjusting assembly comprises a fluid exchange port. The control method comprises the steps that in response to a floating instruction, the power assembly is controlled to operate in a first working state so as to drive the swimming pool cleaning equipment in water to move towards the water surface; under the condition that the swimming pool cleaning equipment is not exposed out of the water surface, the buoyancy adjusting assembly is started, and the buoyancy adjusting assembly continuously operates until the swimming pool cleaning equipment floats on the water surface; when the swimming pool cleaning equipment is immersed in the water, the swimming pool cleaning equipment and the external water body are subjected to fluid exchange through the fluid exchange port; and after the fluid exchange port moves to be exposed out of the water surface, external air is introduced into the swimming pool cleaning equipment through the fluid exchange port. According to the method, rapid switching between the under-pool cleaning mode and the water surface cleaning mode is achieved, and the overall efficiency of cleaning operation is improved.

The embodiment of the invention provides an automatic calibration system for an electric sunshade curtain, and the system is characterized in that the system comprises a motor which is used for driving the sunshade curtain; the memory is used for storing a pre-trained automatic calibration model; the MCU is in communication connection with the motor and the memory; the MCU is configured to obtain the operation condition of the sunshade curtain and the target anti-pinch force set by a user; loading the automatic calibration model, and taking the target anti-pinch force and the operation condition as model input to obtain a plurality of working parameter thresholds; a plurality of real-time working parameters of the sunshade curtain in the closing process are obtained, and one real-time working parameter corresponds to one working parameter threshold value; and under the condition that one or more real-time working parameters exceed the corresponding working parameter threshold values, sending a retreating instruction to the motor. According to the technical scheme, the reliability and development efficiency of the electric sunshade curtain anti-pinch system can be improved.

The embodiment of the invention relates to a communication method, communication equipment and a communication system. The communication method comprises the following steps: determining a first wireless frame; wherein the first wireless frame comprises first identification information, and the first identification information identifies that the first wireless frame is a response frame used for responding to a wake-up frame sent by a second device; and sending the first wireless frame. According to the embodiment of the invention, the first identification information of the first wireless frame clearly distinguishes the function of the first wireless frame as the wake-up response, and a clear wake-up and response mechanism is established in wireless communication.

The invention discloses an outbound call real-time interruption processing method and device, computer equipment and a storage medium. The method comprises the following steps: when a preset verbal skill is played, monitoring and converting an audio stream into a text stream in real time through VAD and ASR services; inputting the processed data into a streaming interruption model for node configuration analysis; judging whether interruption is supported or not; if yes, when the confidence coefficient of the streaming interruption model exceeds a threshold value, stopping playing the preset verbal skill and switching to a waiting / recognition mode until the VAD confirms that the speaking of the user is finished; if not, monitoring the audio stream without interrupting the playing until the VAD confirms that the speaking of the user is ended; obtaining the whole dialogue content of the round; inputting the data into a whole-section hanging-up model and a high-risk model for posterior judgment; and performing corresponding processing, and temporarily storing the whole dialogue content of the round. By means of the method, high-precision intention recognition can be guaranteed, meanwhile, low-delay response speed can be provided, and unnecessary false triggering conditions are effectively reduced.

The invention discloses a voice interaction graphene AI intelligent tea table control method, and relates to the technical field of home voice interaction, and the method comprises the control steps: S1, monitoring a surrounding user instruction based on a built-in microphone of a tea table, and after the tea table receives the voice instruction, synchronously carrying out the preliminary noise reduction processing, and retaining the voice segment of the instruction; s2, training a data set containing a noise scene, enabling a built-in model to learn features for distinguishing voice and noise, and filtering non-voice signals in real time; and S3, for dialects and accents in different regions, collecting a scale data set, training a dialect recognition model, and inputting the obtained voice signal into the dialect recognition model to recognize and judge the current dialect and accents. Through preliminary noise reduction and microphone array layout, the voice acquisition quality is improved, and instruction omission is reduced; secondly, by training a multi-noise scene data set, the adaptability of the model to a complex environment is enhanced, and reliable recognition is guaranteed; and aiming at dialects and accent optimization, the product universality is improved.

The invention discloses an intelligent wheelchair multi-mode control method and system, and particularly relates to the technical field of wheelchair control. The method comprises the following steps: acquiring voice data, head posture data and residual limb movement data of a user in real time, and establishing an initial association relationship between a user control intention and each modal feature; continuously tracking a sound production mode, head posture control stability and time evolution characteristics of residual limb actions, generating functional state evolution trend data and posture control drift characteristic data, and executing dynamic weighting compensation on multi-modal fusion parameters to obtain a self-adaptively updated multi-modal fusion model; according to the method, intention recognition and wheelchair motion control are carried out on the current real-time multi-modal features by using the self-adaptively updated multi-modal fusion model, so that the consistency and reliability of control intention recognition results are kept under the condition that the function state of a user is slowly changed, and the risk that the same motion intention is misjudged as different control instructions in different periods is reduced.

This invention discloses a brain-computer interface (BCI) rehabilitation robot system for patients with neurological injuries, belonging to the field of BCI rehabilitation robot technology. The invention includes a multimodal signal acquisition module, an adaptive decoding module, and a collaborative execution module. By fusing flexible dry electrode EEG signals and near-infrared brain functional imaging signals, a Kalman filter model is used to perform weighted recursive estimation of time and spatial domain features, extracting high-confidence brain intention features. Based on a pre-trained general model, the model weights are dynamically fine-tuned to adapt to individual differences, and robust target behavioral feature parameters are generated based on confidence margin and historical state data. According to the behavioral feature parameters, active mechanical assistance state parameters and passive physiological stimulation state parameters are calculated in real time, driving the exoskeleton robot to perform precise motion assistance and functional electrical stimulation. This invention improves the personalization level and clinical efficacy of neurological injury rehabilitation training.

The invention discloses an LKJ clock synchronization method and system based on multi-source credibility arbitration. The method comprises the following steps: S1) constructing a multi-source time information acquisition and transmission system; s2) performing multi-dimensional credibility evaluation on the clock source; s3) calculating the timing urgency degree and judging triggering; s4), carrying out self-adaptive timing strategy arbitration; s5) performing timing execution and state closed-loop updating; the system adopts a vehicle-ground cooperative architecture, and comprises a vehicle-mounted timing subsystem, a vehicle-ground cooperative communication subsystem and a ground decision support subsystem, so that the robustness and success rate of LKJ timing are improved, and the intelligence and adaptive capacity of LKJ timing are enhanced.

The application relates to the technical field of household appliances, and discloses a cleaning brush and a control method thereof. The cleaning brush comprises a main machine, a handle and a machine head. The machine head is connected with the main machine and comprises a water tank and brush hairs. Cleaning medium is arranged in the water tank, and the brush hairs are arranged at the bottom of the water tank. An atomizing water spraying device is arranged at the bottom of the water tank and communicates with the inside of the water tank. The other end of the atomizing water spraying device is provided with a nozzle. The atomizing water spraying device is used for atomizing the cleaning medium and spraying the atomized cleaning medium to a surface to be cleaned and the brush hairs. Compared with the related art, the water tank and the atomizing water spraying device are integrated in the brush head, so that an additional handheld water pipe, a shower for humidification or frequent wetting of the brush hairs is not needed, the cleaning operation process is simplified, and the use convenience is remarkably improved.

This application provides a network closed-loop control method, device, medium, and program product based on tail delay prediction. The method includes: acquiring flow identification information and training semantic context of the target set communication flow during the distributed synchronous training process of artificial intelligence; determining the current path and candidate paths based on the flow identification information and collecting corresponding telemetry data; predicting the tail delay index of the current path and each candidate path within a preset prediction window by combining the training semantic context and telemetry data; evaluating the path based on the tail delay index and path adjustment cost of the candidate paths, using the current path as a comparison benchmark, and determining the target path; adjusting the target set communication flow to the target path when the preset path control conditions are met and the suppression conditions are not hit; and executing hold or back control based on the operational feedback information after path adjustment to update the tail delay prediction process. This application can identify the risk of tail delay degradation of the set communication flow in advance, reducing false triggering and path oscillation.

The application discloses a face recognition method and device, equipment and storage medium, and relates to the technical field of image processing. The method comprises the following steps: in response to detecting that a first object exists in an unlocking space; acquiring a behavior video stream of the first object, and judging whether the first object has a face recognition intention of performing face verification based on behavior characteristics corresponding to the behavior video stream; in response to judging that the first object has a face recognition intention of performing face verification, triggering a face recognition process of the first object, and extracting a plurality of image frames from the behavior video stream; acquiring image quality evaluation parameters corresponding to each image frame respectively; determining a target recognition strategy based on the image quality evaluation parameters of each image frame to output a face recognition result. Through implementation of the technical scheme, standby power consumption is reduced, and invalid wake-up of an encryption device is reduced. Meanwhile, the pass rate, accuracy and stability of face recognition are greatly improved.

The utility model relates to the field of semiconductor manufacturing and detection, in particular to a continuous scanning system of electron beam detection equipment and the electron beam detection equipment. The continuous scanning system comprises a workpiece table used for bearing and driving a to-be-detected piece to move; the laser ruler positioning device is used for outputting a position signal for indicating the position of the workpiece table; the workpiece table driver is used for outputting a scanning starting signal when the workpiece table moves to the initial position of the to-be-scanned area and outputting a scanning ending signal when the workpiece table moves to the ending position of the to-be-scanned area; and the scanning electron microscope is configured to start scanning the surface of the to-be-detected piece when receiving the scanning starting signal and end scanning when receiving the scanning ending signal so as to generate a scanning image of the to-be-detected piece. According to the continuous scanning system provided by the utility model, the synchronization of scanning and moving is improved by synchronously triggering the starting and ending of moving and scanning, and the problem of dislocation of a scanning area is avoided, so that the scanning accuracy is improved.

This application provides a field monitoring system and method based on image accumulation, relating to the field of image processing technology. The system includes: a microcontroller for acquiring the analog voltage value output by a thermal infrared sensor, and switching the power-off sleep and power-on working states of the acquisition unit according to the analog voltage value and a voltage trigger threshold; the acquisition unit for capturing and storing images in the power-on working state, and sending a full-load cleaning request to the microcontroller when the number of captured images reaches a batch processing threshold; the microcontroller for receiving the full-load cleaning request and controlling the computing unit to switch from power-off sleep to power-on working state; and the computing unit for batch processing the stored captured images in the power-on working state, generating a sensitivity adjustment command based on the no-shot rate and sending it to the microcontroller, so that the microcontroller adjusts the voltage trigger threshold according to the sensitivity adjustment command and the ambient temperature value. This can effectively reduce start-stop energy consumption and significantly extend field endurance.

The application discloses a multimodal ship cabin interaction system and method based on voice and gestures, comprising a data acquisition unit, a signal processing and calculation unit, a feedback and execution unit; wherein the data acquisition unit is used for collecting hand action image signals and voice signals in the cockpit, and the output end is connected to the signal processing and calculation unit; the signal processing and calculation unit processes and identifies the voice signals and image signals to obtain corresponding instructions and fuses and verifies the instructions; according to the fusion verification result, the signal processing and calculation unit outputs corresponding execution instructions to the feedback and execution unit, and the feedback and execution unit is used for displaying execution information required to be executed and executing corresponding instructions. The application realizes interaction control through the verification mechanism double authentication mode in the non-contact operation, reduces the possibility of false triggering, and improves the reliability and accuracy of the non-contact operation.

The application discloses an end-side intelligent interaction system and method applied to ultra-high-definition televisions, relates to the technical field of intelligent television interaction control, and comprises a collected image containing a color image and a depth image, recognizes hand joint points and generates a gesture segment, generates a gesture pointing point according to a palm center point, an index finger palm joint connecting point and an index finger tip point, and carries out smoothing processing on the gesture pointing point to obtain a smoothed pointing point; generates element feature records according to the smoothed pointing point, a focal point jump relationship and screen element information, constructs a screen element relationship structure, calculates target judgment values of each screen element, determines a target screen element and generates a candidate television control instruction; and then selects an inference mode according to the selection times and the success times of the inference mode to generate a current television control instruction, so that the accuracy and stability of end-side somatosensory interaction of the ultra-high-definition television can be improved, and misrecognition caused by gesture shaking and dense interface elements can be reduced.

This invention belongs to the field of sensor testing technology, specifically a testing method and system for ultrasonic ranging sensors under high-temperature conditions. The method includes constructing test benchmark data, establishing a first-wave trigger stability criterion under low signal-to-noise ratio conditions, setting a dynamic threshold range that varies with temperature, and a high-temperature dynamic calibration standard. Multi-temperature gradient testing is performed, raw echo waveform data is collected and filtered for enhancement, the first-wave arrival time is extracted, and the validity of the first-wave trigger is determined by combining the dynamic threshold range to obtain calibrated ranging data. The calibrated ranging data is compared with the true standard distance value to calculate the measurement error and repeatability accuracy. If the first-wave trigger stability criterion fails to meet requirements or the measurement error exceeds the allowable range within multiple consecutive test cycles, the sensor under test is deemed unqualified under high-temperature conditions. This invention improves trigger reliability, significantly enhances test accuracy, efficiency, and reliability, and strengthens the adaptability of the testing method to different high-temperature conditions.

This invention provides a self-calibration method and system for a turnstile system capable of shielding against multi-source interference. Applied to the field of access control technology, the method involves acquiring images using a 3D vision device, detecting the turnstile blades, clustering their spatial distribution, and calculating geometric calibration parameters to achieve channel self-calibration. Based on depth images, background modeling and updating are performed, incorporating static structures into the background to form static shielding areas. The active areas of the blades are determined according to the geometric calibration parameters. When blade movement is detected, dynamic shielding is applied to the foreground within the active area to suppress static appearance interference and blade opening / closing interference. The system includes modules for image acquisition, blade detection and clustering, geometric parameter calculation, background modeling and updating, static appearance shielding, blade movement shielding, and real-time detection optimization. This invention reduces deployment and maintenance costs, decreases false positives and false negatives, and improves the stability and robustness of detection and measurement in complex environments.

The application provides a monitoring method, a monitoring device, a computer program product and a monitoring system. The method comprises the following steps: acquiring user data of a user, wherein the user data comprises one or more of a position, a movement track, a body state, biochemical data and physiological data; determining whether the user is at risk according to the user data; in the case that it is determined that the user is at risk, generating prompt information and warning according to the prompt information. The scheme solves the problem of poor monitoring efficiency of a bathroom space in the prior art.

This invention relates to the field of image recognition technology, and more particularly to an AOI component misalignment identification method based on reverse-grabbing logic. The method includes: determining the reverse-grabbing detection box for each component under test to obtain background feature parameters for calculating misalignment sensitive information; determining the component test type based on the misalignment sensitive information; determining suspected edge features based on each suspected misaligned component; extracting identical good components to determine good edge features; determining whether there is an inconsistency between the suspected edge features and the corresponding good edge features; if there is an inconsistency, calculating the proportion of components with blackened areas and determining whether to analyze the goodness rate of components with blackened areas; and determining whether to trigger a secondary judgment of suspected misaligned components based on the component goodness rate based on the proportion of components with blackened areas. This invention improves the accuracy of AOI component misalignment identification and reduces the component false detection rate and missed detection rate.

This application belongs to the field of electrical technology, specifically relating to a control method, device, equipment, and storage medium for a clothing processing device. The method includes: detecting a tapping signal in a preset area of ​​the clothing processing device after detecting that clothing has been placed in the device; determining that the tapping action is valid when N consecutive tapping signals are detected; wherein N is an integer greater than or equal to 2; locking the clothing processing device and running the clothing processing program; reducing the probability of false triggering of the clothing processing device, improving the accuracy of tapping recognition and clothing processing program triggering, and achieving quick startup of the clothing processing program while ensuring the safety of the clothing processing device's operation, thus improving the user experience.

This utility model discloses a common-mode detection circuit and control circuit, relating to the field of circuits. The control terminal of a first detection switch is connected to the input terminal of an operational amplifier. When the voltage jump amplitude at the input terminal of the operational amplifier does not reach a preset threshold, the on-resistance of the first detection switch is greater than that of the second detection switch, and the common-mode detection circuit outputs a first signal. When the voltage jump amplitude at the input terminal of the operational amplifier reaches the preset threshold, the on-resistance of the first detection switch is less than that of the second detection switch, and the common-mode detection circuit outputs a second signal. By utilizing the change in the on-resistance of the first detection switch, the voltage jump detection at the input terminal of the operational amplifier is achieved, thereby realizing the effective detection of the PWM wave common-mode signal, so that the operational amplifier can achieve enhancement and suppression of the PWM wave common-mode signal. At the same time, the detection threshold is set by a preset bias voltage, reducing the possibility of false triggering, ensuring detection accuracy, and ensuring the safety and reliability of the operational amplifier.

The utility model relates to card storage structure technical field, especially in a kind of card box of bottom push control, including shell, it is single-face opening square structure setting;Button, it is set in the symmetry end of the open end surface of shell, and the button makes vertical direction movement;Push structure, with the button linkage setting, and the push structure is built-in in the shell;When the button moves towards the open end surface of shell, the push structure moves towards the open end surface of shell and makes lifting movement, and card in the shell is ejected from the open end surface of shell.The utility model solves the problem that the existing business card box with corresponding side push structure is set, and the push structure is set in the side of business card box, which is prone to accidental touch during storage or handheld, causing the business card to be ejected or even dropped, and making the business card box inconvenient to use.

The invention relates to the technical field of webpage content protection, and discloses a webpage watermark anti-hiding generation method based on a package protection structure. The method comprises the following steps: firstly, determining an information source after a page is initialized, and generating and caching watermark image data based on canvas; a watermark load layer is dynamically created, display and visibility, transparency, filter, size, positioning, hierarchy, transformation and pointer penetration parameters are solidified by adopting an in-line style, a watermark image is tiled through a background style, and a highest priority mark is written in; creating a watermark wrapping layer and a watermark protection layer, placing the protected content in the protection layer, solidifying the positioning pattern of the wrapping layer and the positioning and overflowing pattern of the protection layer, and enabling the level of the load layer to be larger than that of the protection layer; and monitoring deletion of nodes of a wrapping layer and a sub-tree of the wrapping layer and attribute changes of the stack and the hidden, pausing monitoring and executing load layer reconstruction back-insertion or protection layer style resetting or wrapping layer style resetting when a modification operation which is not allowed is identified after triggering, and recovering monitoring after verification.

The invention provides an electronic mechanical brake control system which comprises an original form brake input system and a first form brake input system, and the first form brake input system is additionally provided with a hard wire level signal on the basis of a parking gear key. The hard wire level signal and a gear signal input to the EMB calipers by the parking gear key through the CAN bus via the power controller and the brake controller are redundant backups for each other, the hard wire level signal is directly transmitted to a brake request hard wire interface of the EMB calipers through an independent wire harness, and the EMB calipers execute a brake function according to the hard wire level signal. Therefore, the vehicle can be effectively braked under the scene that the brake controller or the CAN bus network fails by adding the hard wire redundant backup, so that the driving safety is improved.

This utility model relates to a discharging device for a press-type container and the press-type container itself. The discharging device includes: a discharging button mechanism, comprising a button body, the button body including a pressing part and a discharging channel, the pressing part being connected to the discharging channel; a connecting mechanism, comprising a first connecting member and a second connecting member, the first connecting channel being formed by a channel extending in the first connecting member towards the discharging channel, and the second connecting channel being formed by a channel extending in the second connecting member towards the pressing part and sleeved on the outside of the pressing part; a locking component is also provided between the button body and the second connecting member, the locking component limiting the relative axial movement of the button body and the first connecting member when the second connecting member and the first connecting member rotate relative to each other. This utility model is convenient for users and ensures safety during assembly, transportation, or daily life, preventing accidental release of contents due to accidental activation of the button body during transportation or carrying, and has wide applicability.

This application provides a log processing method, apparatus, and electronic device. The method includes responding to a focus window switching event during application startup, acquiring target information for log capture, and performing log capture when the target information meets preset conditions. The preset conditions include at least one of the following: the duration of the focusless state during focus window switching exceeds a first preset duration threshold; the user's gesture information during focus window switching conforms to a first preset gesture; and the frequency of gesture information conforming to a second preset gesture exceeds a preset frequency threshold. By real-time monitoring of window focus switching events and target information, the timing of application startup anomalies can be accurately captured, ensuring the capture of critical logs and improving defect location and repair efficiency.

The application relates to the technical field of human-computer interaction and sensor control, and discloses a mobile phone remote environment controller point control method, a system and a storage medium. The method comprises the following steps: collecting original posture data through a mobile phone sensor and carrying out interference filtering, and extracting posture fluctuation characteristics; combining time distribution to determine the continuity characteristics to determine the dynamic adjustment intention; matching the posture characteristics with a preset mapping relationship to obtain an initial instruction prototype; optimizing the instruction and evaluating the response delay to obtain an executable point control signal; fusing and checking the signal with the feedback of an environment controller to generate a stable execution sequence; compressing the sequence and transmitting the sequence to the controller to receive an execution receipt; judging the execution result according to the receipt, and if the execution result does not meet the standard, the signal is corrected and the controller state and the mapping relationship are updated. The application effectively improves the accuracy of the mobile phone remote environment controller point control.

The invention discloses a functional sofa, an anti-pinch detection method and device thereof, equipment and a medium. The functional sofa comprises at least one connecting rod mechanism and an electric push rod for driving the connecting rod mechanism to move. The method comprises the following steps: after detecting that the functional sofa is powered on, acquiring an equivalent capacitance value of a connecting rod mechanism as a capacitance reference value; acquiring an equivalent capacitance value of the connecting rod mechanism according to a preset time period to obtain a current capacitance value; analyzing the current capacitance value and the capacitance reference value through a preset anti-pinch detection strategy, and judging whether a preset anti-pinch protection triggering condition is met or not; if yes, an anti-pinch protection instruction is generated, and the electric push rod is controlled to stop running. By utilizing the characteristic that the equivalent capacitance value is obviously changed when a living body is close to or in contact with the connecting rod mechanism, accurate identification and timely protection of the anti-pinch risk are realized, and the use safety of the functional sofa is effectively improved.

This invention provides a full-function fire pump charging angle ignition controller, comprising a housing and an internal circuit board. The circuit board integrates a control unit and an ignition module. The control unit includes a microcontroller and a trigger circuit. The trigger circuit includes a voltage-regulating and current-limiting circuit, a positive trigger signal input circuit, and a negative trigger signal input circuit. The input terminal of the voltage-regulating and current-limiting circuit receives the trigger signal, and its output terminal is connected to the input terminals of the positive and negative trigger signal input circuits. The output terminals of the positive and negative trigger signal input circuits are respectively connected to the positive and negative signal input pins of the microcontroller. The ignition module includes an ignition drive circuit, whose input terminal is connected to the microcontroller's signal output pin, and whose output terminal is connected to the ignition coil input terminal. This invention solves the problem of false triggering caused by various interferences or malfunctions during signal transmission in existing integrated ignition systems.