55 results about "Signal validation" patented technology

The invention provides a single-line communication method and device based on pulse counting, electronic equipment and a medium, and relates to the technical field of switches and servers. The method is executed by a main board in a system, the main board is connected with a sub-board through a single in-place signal line, and the method specifically comprises the following steps: within a first preset time period after the system is powered on, sending a first pulse sequence through the single in-place signal line, and verifying the connection state of a cable based on a received response signal; if the connection state is verified to be normal, sending a second pulse sequence through a single in-place signal line, and performing data communication with the daughter board; wherein the second pulse sequence forms communication bytes in a pulse number coding mode. According to the invention, an in-place signal line which is only used for static level detection traditionally is transformed into a dynamic multifunctional channel, so that the dual defects of low communication efficiency and high misplugging risk of a traditional scheme are synchronously overcome on the premise of not increasing any hardware cost and wiring complexity.

Systems and methods are disclosed comprising instructions to access audio data of a captured interaction involving one or more participating users of a digital conference tool, receive a first narrative summary of the captured interaction comprising a set of first component narratives, generate a second narrative summary comprising a set of second component narratives, identify at least one component narrative among the set of second component narratives corresponding to the participating users, display the second component narratives of the second narrative summary at a user interface of the participating users, receive user feedback data comprising an adjustment to the displayed text content of the at least one second component narrative, generate a third narrative summary using the user feedback data received from each participating user of the captured interaction, and display the third narrative summary for the captured interaction at the user interface of each participating user.

The invention relates to the technical field of very large scale integrated circuit design verification, and discloses a hierarchical cross-clock domain signal verification method, device and equipment and a medium. According to the method, on the basis of the physical layout information file corresponding to each functional module, the target functional module to be verified is dynamically, intelligently and accurately determined from the plurality of functional modules. And performing cross-clock domain signal verification on the previous level of the target function module by extracting the target sign-off abstract model of the target function module, and performing cross-clock domain signal verification on the top system of the whole chip by analogy. As clock domain crossing signal verification does not need to be carried out on all functional modules, the efficiency of chip verification can be improved, clock domain crossing signal verification, module level focusing functional module internal logic integrity verification and top layer enhanced module crossing asynchronous path analysis are carried out on the chip layer by layer through the target sign-off abstract model, and the chip verification efficiency is improved. Therefore, the accuracy of chip verification can be improved.

The invention provides a two-stage dynamic regulation induced draft fan transformation control method and system, and the method comprises the steps: traversing an existing I / O channel of a DCS system, and recognizing an idle channel which is not referenced by logic and can be accessed by a physical terminal; based on idle channels, dynamically allocating the idle channels to newly-added fan monitoring points according to priorities, and generating a channel multiplexing mapping table; based on the channel mapping table, constructing a basic control layer comprising a fan start-stop and rotating speed adjusting loop; the safety protection layer is used for receiving data of the basic control layer in real time and generating hard protection logic of stall interlocking, vibration protection and oil station faults; constructing a collaborative optimization layer according to a safety protection layer state and a boiler load, and dynamically calculating a two-stage moving blade opening collaborative strategy; executing a moving blade opening instruction in the collaborative strategy through the basic control layer channel; based on the moving blade opening instruction, the response consistency of the safety protection layer and the collaborative optimization layer is verified by injecting the simulation fault signal, and the operation stability and reliability of the two-stage dynamic regulation induced draft fan control system are effectively improved.

The invention belongs to the field of smart power grids, and discloses a new energy efficient scheduling method and system based on a smart power grid. Comprising the steps of embedding diamond NV color center microsensors to form a networked array, collecting and outputting original data in real time, extracting auxiliary environment variables for correction, generating weight vectors, adjusting a fluorescence intensity sequence layer by layer, extracting projection values for iterative optimization, and outputting a harmonic phase matrix. Decomposing a harmonic phase matrix, extracting coupling path characteristics, calculating entanglement entropy, simulating storm evolution and outputting an alarm packet if the entanglement entropy exceeds a threshold value, otherwise, continuing circulation; reconstructing a topological structure based on the alarm packet, injecting a chaos inversion signal, verifying stability and outputting a configuration abstract; and receiving a configuration abstract to operate the pulse neural network, generating an instruction based on an optical topology scheduling strategy, encrypting a distribution instruction, releasing a compensation limit and completing execution, thereby realizing new energy efficient scheduling based on the smart power grid.

The invention discloses a Bluetooth car key communication method and system for heterogeneous equipment, and relates to the field of communication, and the method comprises the steps: configuring a vehicle-mounted switching box as a fixed host role, configuring an intelligent key and terminal equipment as fixed slave roles, judging the current equipment life cycle stage of the intelligent key, and sending the current equipment life cycle stage to a server; when the intelligent key is in a pairing stage or a firmware upgrading stage, controlling the intelligent key to send a discoverable broadcast signal in a non-directional broadcast mode; when the intelligent key completes pairing and enters a daily use stage, switching a broadcast mode of the intelligent key into a directional white list broadcast mode, controlling the intelligent key to send a directional broadcast signal to a vehicle-mounted switching box in a pre-stored authorized equipment white list, controlling the vehicle-mounted switching box to scan and receive the directional broadcast signal, and sending the directional broadcast signal to the vehicle-mounted switching box; and after the authentication code is verified, the vehicle-mounted switching box actively initiates connection with the intelligent key. By implementing the method, scanning conflicts caused by the fact that the intelligent key and the mobile phone serve as hosts at the same time in the Bluetooth car key system can be reduced.

The invention relates to a validity verification method and device based on a dual-core lockstep mechanism, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring fault injection configuration parameters for performing electromagnetic fault injection; the fault injection configuration parameters comprise fault generation parameters, and the fault injection configuration parameters indicate to-be-verified functions; a verification instruction corresponding to the to-be-verified function is sent to a chip with a dual-core lockstep processor, so that the chip is switched to a test program corresponding to the to-be-verified function; electromagnetic interference is injected into the chip based on the fault generation parameters so as to trigger a dual-core lockstep processor of the chip to break down; and when the to-be-verified function is a fault detection function, obtaining a fault detection state and a fault output signal output by the chip, and verifying the validity of the fault detection function according to the fault detection state and the fault output signal. By adopting the method, the reliability of a verification result of validity verification based on dual-core overlock can be improved.

A secure boot method of an Internet of Things (IoT) apparatus includes: in response to a system boot signal of the IoT apparatus, verifying an authentication signature of a bootloader firmware and an authentication signature of an application layer (App) firmware; reading an encryption key stored in a one-time programmable memory in response to determining that the authentication signature of the bootloader firmware and the authentication signature of the App firmware both pass verification, in which the encryption key is configured to have a write protection attribute; decrypting the App firmware according to the encryption key, and running the decrypted App firmware; and in response to determining to read encrypted flash-memory partition data in a flash memory (Flash), decrypting the encrypted flash-memory partition data according to the encryption key, so as to securely boot up the IoT apparatus.

The invention relates to the technical field of electronic design automation, in particular to an analog signal verification method for digital-analog hybrid simulation, which comprises the following steps: identifying a plurality of verification nodes in an analog module to be tested; configuring an analog-to-digital conversion threshold parameter for the verification node; in a simulation process, monitoring an analog signal value on the verification node in real time, and converting the analog signal value into a digital logic value according to an analog-to-digital conversion threshold parameter; transmitting the digital logic value to a digital verification platform through an emulator interface; the digital verification platform applies the digital logic value to a digital shadow model corresponding to the tested analog module interface; function coverage collection and assertion check are performed based on the signals of the digital shadow model. According to the method, the problem that analog signals cannot be effectively verified through traditional digital-analog hybrid simulation is solved, verification completeness is remarkably improved, design errors can be automatically found in the early stage, existing digital verification platform resources are fully reused, and verification efficiency and reliability of a mixed signal chip are greatly improved.

The application relates to a Bluetooth car key communication method and system for heterogeneous devices, and relates to the field of communication.The method comprises the following steps: configuring a vehicle-mounted adapter box as a fixed host role and configuring a smart key and a terminal device as fixed slave roles; judging a device life cycle stage in which the smart key is currently located; when the smart key is in a pairing stage or a firmware upgrading stage, controlling the smart key to send a discoverable broadcast signal in a non-directional broadcast mode; when the smart key completes pairing and enters a daily use stage, switching a broadcast mode of the smart key into a directional whitelist broadcast mode, controlling the smart key to send a directional broadcast signal to a vehicle-mounted adapter box in an authorized device whitelist which is stored in advance, controlling the vehicle-mounted adapter box to scan and receive the directional broadcast signal, and initiating a connection with the smart key by the vehicle-mounted adapter box after verifying an authentication code. By implementing the method, scanning conflicts caused by the smart key and a mobile phone simultaneously serving as hosts in a Bluetooth car key system can be reduced.

A replacement storefront door lock with no drilling is provided. The replacement storefront door lock with no drilling includes an outdoor component; an indoor component; a mortise including a housing, a bolt and a drive shift, the bolt movably disposed in the housing; a tailpiece; and an electronic assembly including a main circuit board, a motor located in the indoor component and a command-signal verification element located on the outdoor component. The motor and the command-signal verification element are electrically connected to the main circuit board. A conductor connected to the main circuit board passes through a wire hole of the housing to transmit electronic signal. The replacement storefront door lock with no drilling in this application can replace old lock without drilling new holes; with the conductors, the replacement storefront door lock with no drilling can be a smart lock.

Methods and systems are disclosed for migrating a confidential virtual machine (CVM) to a remote computer system. A method that is implemented in a virtualized firmware layer of a CVM involves receiving a migration signal from an orchestration component at a host partition, validating the security state of the remote system, and upon validation, removing a first secret from the virtualized firmware layer. The guest state file associated with the CVM is encrypted using a second secret from the remote system, capturing the state of the firmware layer. Subsequently, the CVM migration is initiated by transmitting the encrypted guest state file to the remote system, ensuring a secure and confidential transfer of the CVM to the designated destination.

The invention discloses a dry quenching flue gas desulfurization system abnormity judgment and disposal method. The method comprises an abnormity judgment stage, an emergency disposal stage and a system recovery stage. According to the method, the rapid abnormity judgment is realized by monitoring the pressure change gradient of the pre-storage chamber, the current fluctuation of the desulfurization fan and the interlocking shutdown signal verification in real time; differentiated emergency disposal strategies are adopted according to characteristics of different areas; and rapid system recovery is realized through soft start control and parameter recovery optimization control. The method has the advantages of short fault response time, high pressure control precision, short system recovery time, low energy consumption and the like, and is suitable for a dry quenching process desulfurization system.

The utility model provides a testing device of a train traction controller. The testing device can simulate various signal interfaces such as 14-path digital output, 26-path digital input, 4-path train speed signal, 6-path analog signal input, IGBT feedback signal and the like. The test device accurately simulates the working environment of the traction controller through the square wave signal output circuit, the first voltage conversion circuit, the second voltage conversion circuit and other modules, and realizes comprehensive detection of the controller. The method specifically comprises the steps that train speed signals are simulated through a PWM controller, stable voltage signals are provided through a voltage stabilizer, analog input signals are adjusted through a switch and a resistor, and it is ensured that various input and output signals of a traction controller can be accurately responded. According to the device, various functions of the traction controller are verified by simulating input signals under different working conditions, the mode of relying on field loading in the traditional testing process is avoided, and the testing time and cost are reduced.

The invention provides an intelligent monitoring system and method for an attacking behavior of an inpatient, and relates to the technical field of intelligent medical treatment, and the system comprises a clinical sign collection module which is configured to be used for obtaining a limb electrophysiological signal, a body pressure distribution signal and a related acoustic signal of the patient in real time; the clinical behavior decision-making module comprises a body position self-adaption unit and a cross-modal verification unit; the body position self-adaption unit is configured to be used for judging the body position action of a patient based on the body pressure distribution signal; the cross-modal verification unit is configured to be used for matching a corresponding signal collaborative verification rule according to the body position action of the patient so as to verify whether the body position action of the patient conforms to an attack behavior or not in combination with the limb electrophysiological signal and the related acoustic signal; and the clinical monitoring execution module is configured to trigger a positioning alarm signal to the medical care terminal when the body position action of the patient conforms to the attack behavior. According to the system, early, accurate and automatic early warning of unconscious attack / self-injury behaviors of patients with specific diseases during sleep is realized.

Techniques for centralized management of signal verification of protected data messages are described. A computer-implemented method, performed by a data processing device of a system comprising a plurality of nodes respectively connected to one another via a communication framework, can comprise executing a transmission relay process repeatedly at a defined execution frequency to control transmission of protected data messages between sender nodes of the plurality of nodes and respective receiver nodes of the plurality of nodes. The transmission relay process comprises reading data entries published by the sender nodes to a memory of the system, the data entries respectively comprising data content to be sent to the respective receiver nodes, generating the protected data messages respectively comprising the data content, and sending, via the communication framework, the protected data messages to the respective receiver nodes.

The invention discloses a fan master control PLC detection method, system and device and a medium, and belongs to the technical field of PLC detection, and the method comprises the following steps: building Ethernet communication connection between a test controller and a to-be-tested PLC; detecting manufacturer information, model information and communication protocol information of the to-be-tested PLC, and generating a test parameter configuration table according to an identification result; executing the function test of the to-be-tested PLC interface; performing fan control logic verification, and verifying the accuracy of a variable pitch control mechanism, a yaw control mechanism and a power control mechanism of the to-be-tested PLC by inputting a fan operation characteristic signal; and displaying an interface function test result and a control logic verification result on a human-computer interaction interface. According to the invention, interface function testing and fan control logic verification are organically combined to form an integrated detection system, the basic hardware function of the PLC can be verified, the control performance of the PLC can be evaluated in a real control environment, and deep integration of hardware detection and software verification is realized.

The invention discloses an end-to-end protection method, system and device for a system on chip, and a storage medium. The method comprises the following steps: a first sending end in the system on chip generates a first signal, obtains a corresponding first check code, and sends the first signal and the first check code to a first bus; the first bus receives the first signal and the first check code, and forwards the first signal and the first check code to a first receiving end in the system on chip under the condition that the first check code is verified to be correct according to the first signal; and the first receiving end receives the first signal and the first check code, and executes processing for the first signal under the condition that the first check code is verified to be correct according to the first signal. The scheme of the invention is a system-level end-to-end protection scheme based on the bus interface signal of the system-on-chip, the protection of a full data transmission path is realized, and the security and the error positioning accuracy of the system-on-chip are further improved.

A method for light detection and ranging that includes forming a first light pattern within a region of a scene by holographic projection. The first light pattern includes n light spots arranged in a regular array. A light return signal is received from each light detection element of an array of light detection elements directed at the region of the scene. The intensity of the light return signals is assessed. If the light return signals do not meet at least one signal validation criterion, a second light pattern is formed within the region of the scene by holographic projection. The second light pattern includes m light spots arranged in a regular array, wherein m≠n. A time-of-flight in association with each light spot of the second light pattern is then determined.

The invention provides a testing system and a testing method, and belongs to the technical field of testing. The test system comprises an upper computer, an IO board card and a real-time simulation device. The upper computer and the controller to be tested are connected through an IO board card, and the two ends of the real-time simulation device are connected with the upper computer and the controller to be tested respectively. The upper computer can read and traverse the test table line by line and obtain the first actual observed quantity and the second actual observed quantity of the tested signal, and if the first actual observed quantity and the second actual observed quantity are within the tolerance range allowed by the expected value of the first observed quantity and the expected value of the second observed quantity in the test table, the transmission of the tested signal is successful. The test system can carry out signal verification of two observed quantities on the same signal, and the robustness and safety of the controller software to be tested are enhanced. And meanwhile, automation of testing multiple points of each tested signal is realized, and the coverage degree and the testing efficiency of software testing are improved.

A motorcycle includes: a motorcycle body; at least two wheels; a traction engine constrained to the motorcycle body and operatively connected to the at least one wheel; a braking system; at least one optical signal device; an electronic control unit of the optical signaling device; an obstacle sensor; the electronic control unit receives the at least one output signal supplied by the obstacle sensor, verifies whether the output signal satisfies at least one logic enabling condition, and in the case that the output signal satisfies the at least one logic enabling condition, opens the additional signal device to inform the driver of the presence of the front obstacle; the obstacle sensor is arranged and oriented such that the output signal provided by the electronic control unit carries information relating to the presence of an obstacle arranged in front of the motorcycle, the motorcycle further comprising a collision risk sensor integrated in the rear light group, the collision risk sensor is arranged and oriented such that the output signal carries information relating to a collision risk of a vehicle following the motorcycle.

This disclosure relates to the field of vehicle technology, specifically to a method, device, and vehicle for controlling windshield wiper mis-wiping. The method includes: acquiring key environmental data related to weather type from environmental data of the vehicle's environment; comparing the key environmental data with a preset numerical range corresponding to a sunny weather type to obtain a first comparison result; if the first comparison result indicates that all key environmental data fall within the preset numerical range, then verifying the validity of the currently detected rainfall signal, and controlling the vehicle's windshield wipers to perform wiping after confirming that the rainfall signal has passed the validity verification. This disclosure uses multi-dimensional key environmental data to determine sunny weather, replacing the traditional single-judgment logic based solely on light intensity. It distinguishes between true sunny weather and strong light interference from non-sunny weather at the source, significantly reducing the probability of mis-wiping on sunny days. Rainfall signal verification is only initiated in true sunny weather scenarios, avoiding the verification logic affecting the response speed in light rain, focusing on mis-wiping scenarios on sunny days, and thus offering better adaptability.

The utility model discloses an analog multiplexing detection circuit for destroying signals in a biological recognition module. Independent monitoring and management of double devices by a single interface are realized through a sinking plate type-C interface. According to the circuit, a 24-line signal path of the Type-C interface is divided into two independent detection circuits, and each detection circuit comprises a program programming path and a signal destroying path. The program programming path provides a redundancy debugging interface through the USB to serial port chip, and the program updating process is simplified; the destruction signal path realizes concrete display of the destruction signal without triggering the actual destruction action through the step-down power supply chip and the single-pole double-throw voltage selection switch. The LED lamp integrated on the substrate is used for monitoring the stability of the power supply, and the destroying signal indicating lamp is used for indicating the validity of destroying signals. Besides, the circuit is provided with a software part used for managing and controlling the detection function, the destroying signal state is visually displayed through a destroying signal indicating lamp, and the problem that destroying signals in an existing reinforced panel are difficult to verify is solved.

The present disclosure is directed to a method for detecting a liquid on a main surface of a body. The method is performed through a detection device including a processing module, a reference electrode at a reference electric voltage and a first sensing electrode on the main surface and configurated to detect an environmental electric and / or electrostatic charge variation indicative of the presence of the liquid. The method includes the steps of: biasing the first sensing electrode to a bias electric voltage; while the first sensing electrode is at the bias electric voltage, acquiring a first charge variation signal indicative of the electric and / or electrostatic charge variation detected by the first sensing electrode; verifying whether the first charge variation signal is indicative of the presence of the liquid on the main surface, at the first sensing electrode; and, if it is, determining the presence of the liquid on the main surface at the first sensing electrode.

The invention relates to the technical field of nondestructive testing, and provides a crack defect detection method and system, and the method comprises the steps: obtaining a biaxial magnetic field signal, and carrying out adaptive filtering processing based on a change rate; extracting a multi-parameter feature vector and comparing the multi-parameter feature vector with a threshold matrix to realize pre-judgment; performing multilayer empirical mode decomposition on the target signal; feature points are identified through derivative zero point detection, and multi-layer verification is carried out; and calculating geometric intersection points of the feature points and outputting a defect detection result based on a preset condition. According to the portable alternating electromagnetic field crack defect detection method, the feature points are accurately recognized through double mechanisms of second derivative zero point detection and multilayer decomposition signal verification, the defect state is judged according to the geometric condition that the X-axis feature points and the Z-axis feature points intersect, and the precision and reliability of portable alternating electromagnetic field crack defect detection are improved.

Techniques for centralized management of signal verification of protected data messages are described. A computer-implemented method, performed by a data processing device of a system comprising a plurality of nodes respectively connected to one another via a communication framework, can comprise intercepting protected data messages sent by one or more sender nodes of the plurality of nodes via the communication framework and directed to one or more receiver nodes of the plurality of nodes, the protected data messages being configured in accordance with a secure communication protocol. The method further comprises performing a validation process of the secure communication protocol to validate the protected data messages sequentially in time as intercepted over time, extracting data content from respective messages of the protected data messages in response to successful validation of the respective messages, and providing the data content to the one or more receiver nodes via the communication framework.

The present application belongs to the field of smart grid, and discloses a new energy efficient scheduling method and system based on smart grid; including embedding diamond NV color center micro sensor to form networked array, real-time collection and output of original data, extraction of auxiliary environmental variables for correction, generation of weight vector, layer-by-layer adjustment of fluorescence intensity sequence, extraction of projection value iterative optimization, and output of harmonic phase matrix; decomposition of harmonic phase matrix, extraction of coupling path characteristics, calculation of entanglement entropy, simulation of storm evolution if exceeding threshold, output of alarm package, otherwise continue to cycle; reconstruction of topology structure based on alarm package, injection of chaotic anti-phase signal, verification of stability and output of configuration summary; receiving configuration summary running pulse neural network, generating instructions based on optical topology scheduling strategy, encrypting and distributing instructions, releasing compensation amount to complete execution, and realizing new energy efficient scheduling based on smart grid.

The invention discloses a TTL signal verification device and method, and relates to the technical field of electronic information automation component manufacturing, and the device comprises a 555 timer which receives an input BIN signal; the RC circuit is configured outside the 555 timer, the pins of the 555 timer comprise output pins, when the BIN signal is lower than a first voltage threshold value, the 555 timer outputs high-level voltage through the output pins, and when the voltage of the charging capacitor reaches a second voltage threshold value, the 555 timer outputs high-level voltage through the output pins. The 555 timer is used for outputting a low-level voltage through the output pin; the LED indicating lamp is lightened when the 555 timer outputs the high-level voltage through the output pin, so that the LED indicating lamp can be seen by naked eyes; when a new machine is accepted and accepted, the TTL signal can be verified to be separated from the sorting machine for detection, the production efficiency of the sorting machine is effectively improved, meanwhile, the correctness of the TTL signal is judged in the mode that an LED lamp is triggered through a BIN signal, and the TTL signal verification time of a testing machine is saved.

The invention discloses a thermal instability early warning method for a high-voltage fuse, and relates to the technical field of fault early warning of high-voltage power equipment, and the method comprises the steps: carrying out the real-time sensing of the high-voltage fuse, and constructing a thermal state feature vector through feature analysis; building two channels containing thermal instability prediction and early warning sub-branches; synchronizing the feature vector to a prediction sub-branch to calculate and generate a thermal instability risk index, and transmitting the index to an early warning sub-branch to generate a thermal instability initial early warning signal; and finally, the initial signal is sent to a central control end for inversion tracking verification, a thermal instability initial early warning signal is updated according to a signal verification result, a final thermal instability early warning signal is formed, linkage response is executed, and accurate early warning control is realized. The technical problems that in a traditional early warning method, the monitoring data dimension is single, and evaluation is lack of accuracy and dynamic adaptability are solved, and the technical effects that reliable early warning and efficient management and control of the equipment thermal instability risk are achieved, and operation safety of key equipment of an intelligent power grid is guaranteed are achieved.

Techniques for centralized management of signal verification of protected data messages are described. A computer-implemented method is performed by a data processing device of a system comprising a plurality of nodes connected to each other via a communication framework, a transmission relay process may be repeatedly performed at a defined execution frequency to control transmission of protected data messages between a transmitter node of the plurality of nodes and respective receiver nodes of the plurality of nodes. The transmission relay process includes reading data entries published by a sender node to a memory of the system, the data entries each including data content to be sent to a respective receiver node, generating protected data messages each including the data content, and sending the protected data message to the respective receiver node via the communication framework.