2163 results about "Start signal" patented technology

The invention relates to the technical field of integrated circuit test and calibration, and discloses a chip test and calibration method and a chip tester. The chip test calibration method is applied to a chip test module and specifically comprises the following steps that S101, a starting signal sent by a user terminal is received, environment initialization operation is executed, and after initialization is completed, a system automatically enters a standby mode and waits for an external trigger signal or a user instruction; and S102, synchronously capturing input and output signal waveforms of the tested chip at a preset sampling frequency through a high-precision current sensor and a voltage sampling circuit. Through a dynamic parameter acquisition and real-time compensation technology, a voltage reference error is effectively reduced, the temperature control precision is superior to + / -0.3 DEG C, signal distortion caused by environmental interference is effectively inhibited, a multi-dimensional calibration model is combined with time domain, frequency domain and statistical characteristic analysis, nonlinear errors and system drift can be dynamically corrected, and the system performance is improved. And the attenuation error of a test signal transmission path is lower than 0.02 dB.

The invention discloses a power line carrier signal synchronization method and device, and belongs to the technical field of power line carrier communication. The method comprises the following steps: under the condition that a signal sequence is received, determining an autocorrelation result based on a known signal sequence; under the condition that the self-correlation result exceeds a dynamic threshold value, determining an effective correlation peak; the dynamic threshold is dynamically updated along with the change trend of the plurality of self-correlation results; and starting signal synchronization under the condition that the effective correlation peak and the historical effective correlation peak form a continuous correlation peak. According to the invention, through combination of cross-correlation and self-correlation, accurate detection of effective correlation peaks is realized, a dynamic threshold and continuity verification mechanism is introduced, the accuracy and robustness of signal synchronization are improved, the synchronization misjudgment rate can be significantly reduced, and the synchronization efficiency is improved.

The invention discloses a nail gun. The nail gun comprises a shell; the motor is arranged in the shell; the percussion assembly is arranged in a nailing period, can move from an initial position to a percussion position so as to knock out a nail to a workpiece, and can move from the percussion position to the initial position; the guide assembly is arranged to at least guide the percussion assembly to conduct nailing in the nailing direction; the trigger switch is arranged on the shell and is configured to be operated when the trigger assembly is intended to be driven; the push rod switch is opened when the push rod switch presses and abuts against the workpiece in the nailing direction; the controller at least can obtain a starting signal and control the motor to operate; and the controller is configured to at least control the motor to continuously operate until the next nailing period to nail out when a starting signal is detected in the current nailing period.

The invention relates to the field of electroencephalogram signal processing, and particularly discloses a multi-mode electroencephalogram characteristic cognitive ability evaluation system based on a neural network, comprising: an acquisition module used for synchronously acquiring whole brain signals and eye movement data during pilot simulation training; the data preprocessing module is used for primarily processing the received whole brain signals and the eye movement data, monitoring the primarily processed data in real time by utilizing a preset monitoring mechanism, and triggering to generate interaction test starting signals if preset symbolic fluctuation occurs in the whole brain signals or the eye movement data; and the test interaction sub-module is used for generating arithmetic test questions according to a preset rule after receiving the interaction test starting signal, and synchronously recording answer correlation parameters of the pilot. By adopting the technical scheme of the invention, the deep-level reaction mechanism of the brain under the stimulation of the special complex cognitive task of flight training can be fully considered, and the cognitive load change of the pilot in the simulated training can be comprehensively and accurately reflected.

The invention provides an insulation detection method and an insulation detection system, and the method comprises the steps: controlling a bridge measurement circuit to carry out two times of balance calibration when a complete insulation detection mode starting signal of a vehicle is detected, and obtaining measurement data; obtaining a first resistance value of a standard adjustable resistor in the bridge measurement circuit based on the initial balance state of the bridge measurement circuit, and calculating a first insulation resistance ratio; acquiring a second resistance value of the standard adjustable resistor based on a secondary balance state of the bridge measurement circuit, and calculating a second insulation resistance ratio; calculating an insulation resistance value corresponding to each insulation resistor by combining the first insulation resistance ratio and the second insulation resistance ratio; and judging whether the insulation resistance value accords with a preset safety threshold, and if not, generating alarm information. In the mode, through a two-time bridge balance calibration method and in combination with a vehicle state self-adaptive detection mode, the insulation detection mode can be dynamically adjusted under different working conditions, and the power consumption is reduced while the measurement precision is ensured.

The invention provides a floating-point number calculation circuit, a floating-point number calculation method, a storage medium and electronic equipment, and relates to the technical field of computers. In the circuit, a mantissa calculation module is used for executing multiplication of two floating-point number mantissas to obtain a product mantissa when a floating-point number operation starting signal is received; the leading zero detection module is used for responding to the floating-point number operation starting signal and performing leading zero detection on the mantissa of each floating-point number to obtain a leading zero estimation result of the product mantissa; the normalization processing module is used for executing product mantissa displacement control and index adjustment based on the leading zero estimation result to obtain a mantissa operation result and an index operation result; and the result output module is used for outputting a floating-point number product result based on the mantissa operation result and the index operation result. The length of the floating-point number multiplication calculation path can be effectively shortened, and the floating-point number calculation efficiency is improved.

The invention provides a control method and system for temperature return of a constant-temperature incubator. Wherein the real-time temperature in the constant-temperature incubator is monitored, external environment data is combined, the real-time temperature and a preset threshold value are compared and analyzed, and a temperature return starting signal is generated; based on the temperature return starting signal, a control algorithm based on self-adaptive dynamic programming is adopted, a temperature gradient equalization technology is applied, and a heating control instruction is generated; based on the heating control instruction, constructing a three-dimensional temperature distribution model by using a temperature field reconstruction algorithm, predicting a temperature change trend through a recurrent neural network, and generating temperature prediction information; and on the basis of the temperature prediction information, after a set temperature is reached, fine temperature control is automatically switched to, environmental influence analysis is carried out, measures are taken to offset adverse factors, and a temperature control result is generated. According to the control method and system for temperature return of the constant-temperature incubator, the temperature control precision and the response speed are remarkably improved, long-term stability is ensured, and a reliable and efficient environment is provided for biological experiments.

A scan circuit having a plurality of stages is provided. A respective stage includes a respective scan unit configured to provide a control signal to at least a row of subpixels. The respective scan unit includes an input subcircuit configured to receive a start signal or an output signal from a previous scan unit, a first processing subcircuit, a second processing subcircuit, and an output subcircuit. The output subcircuit includes a first output transistor. The input subcircuit includes a first input transistor and a second input transistor sequentially coupled between an input terminal and a first node. The first node is coupled to a gate electrode of the first output transistor. The first processing subcircuit includes a first switch transistor and a second switch transistor coupled between the first node and a first reference terminal. The first reference terminal is configured to receive a first reference signal.

A display substrate is provided. The display substrate includes a display substrate, comprising one or more scan circuits and one or more electrostatic discharge protection circuits in a peripheral area. An electrostatic discharge protection circuit is configured to provide a start signal to a scan unit of a scan circuit. The display substrate comprises a plurality of islands and a plurality of bridges connecting the plurality of islands in the peripheral area; a respective island of the plurality of islands comprises at least one scan unit of the scan circuit; and one or more signal lines connecting the electrostatic discharge protection circuit and the scan unit is at least partially in an individual bridge connecting the electrostatic discharge protection circuit and the scan unit.

The invention provides an arbitrary point turn-back method under a train control system route architecture based on communication, which comprises the following steps of: when an arbitrary point turn-back command for a train is received and the train is determined to be in a stable stop state, generating a reverse route containing turnout opening information. And according to the reverse direction head code, generating a starting end signal machine list of which the route needs to be manually solved and sending the starting end signal machine list to an automatic train protection system. And an unlocking request command of the first signal machine in the starting end signal machine list is sent to the area controller, and the access in the starting end signal machine list is unlocked through interactive verification with a train automatic protection system. After it is confirmed that the route corresponding to the first signal machine is successfully unlocked, a turn-back instruction is sent to the automatic train protection system, and meanwhile the automatic train protection system is controlled to execute end changing operation. After the end changing operation is completed, new movement authorization is established to control the train to run, route unlocking in the original direction and passenger prompting are triggered when preset conditions are met, meanwhile, a turn-back mark of any point is updated and displayed on a human-computer interface, and turn-back of any point is achieved.

The invention discloses an aerosol generating device and a control method thereof. The aerosol-generating device includes a heating assembly, a detector, and a controller. The detector is configured to detect a suction signal. The controller is configured to control the heating assembly to preheat under the condition that the aerosol generating device receives a starting signal; under the condition that the suction signal is detected, the number of suction times is recorded; and controlling a heating strategy of the heating assembly according to the number of the suction ports, wherein the heating strategy comprises heating power and / or heating duration. According to the aerosol generating device, the controller can control the heating assembly to conduct preheating under the condition that the aerosol generating device receives the starting signal, and the controller can record the number of smoking times and control the heating strategy of the heating assembly according to the number of smoking times under the condition that the detector detects the smoking signal instead of continuously heating the heating body in the cavity. However, the heating strategy of the heating assembly is controlled according to the number of smoking times, so that the consistency of the taste of the aerosol is ensured.

Disclosed in the present invention are a locomotive number tracking method and system. The locomotive number tracking method comprises: handling a shunting route of a locomotive number and acquiring station yard signal device representation information; acquiring the running direction of the locomotive number on the basis of the station yard signal device representation information; acquiring an auxiliary tracking data set on the basis of a station yard signal device logic diagram and the running direction of the locomotive number, the auxiliary tracking data set comprising the locomotive number, a signal machine, and a route locking section; when the state of a track section in the shunting route changes, acquiring track section representation information; and matching the track section representation information with the auxiliary tracking data set to search for a locomotive number movement starting signal device and target signal device so as to track the locomotive number. The present invention can improve the accuracy and reliability of locomotive number tracking and point reporting, thereby improving railway transportation working efficiency.

Provided are a display panel, a display apparatus and a method for driving the display panel. The display panel includes: multiple gate lines; and multiple shift register units, a target shift register unit of the shift register units includes: a frame trigger selecting circuit and a gate driving circuit; the frame trigger selecting circuit is coupled to a frame trigger input terminal and frame starting signal terminals corresponding to N cascade groups, and outputs, in response to an nth turn-on signal of N turn-on signals corresponding to an nth cascade group, a starting signal input to the frame trigger input terminal to a frame starting signal terminal corresponding to the nth cascade group; 1≤n≤N, and n is an integer; the nth cascade group scans the gate lines coupled thereto line by line after the frame starting signal terminal corresponding thereto receives the starting signal.

The embodiment of the invention provides a chip design verification method and a related device. The chip design verification method comprises the steps of obtaining a to-be-tested chip design and executing the to-be-tested chip design; in the process of executing the to-be-tested chip design, when it is detected that a current transaction processed by the to-be-tested chip design generates blocking delay due to input blocking conditions, if it is determined that the blocking delay exceeds the upper limit of the preset blocking period number, the blocking delay caused by the input blocking conditions is relieved, and the current transaction continues to be processed; in the process of continuing to process the current transaction, if it is detected that the current transaction generates transaction processing delay due to a non-input blocking condition and it is determined that the transaction processing delay exceeds a preset delay upper limit, an error indication is returned; wherein the transaction processing delay is the time difference between the moment when the starting signal of the current transaction is valid and the moment when the completion signal is valid. Through transaction processing delay detection, omission of scenes with problems in the chip can be avoided, and comprehensiveness of problem detection is enhanced.

The invention discloses a medical consumable use compliance monitoring method and system based on the Internet of Things, and relates to the technical field of medical Internet of Things consumable intelligent supervision and risk prevention and control, and the method comprises the steps: S1, continuously collecting the temperature and humidity data of a medical consumable storage region through an environment sensor, and generating an environment state signal; s2, identifying the electronic tag information of the operated consumable through an RFID reader-writer, and generating a consumable identity signal and a verification signal; s3, receiving the environment state signal, the consumable identity signal and the authorization verification signal by the central processing platform, and matching the signals with a pre-stored compliance rule base in real time; s4, generating a compliance execution signal to trigger the intelligent cabinet to unlock the consumable or generating a secondary violation alarm signal and freezing the consumable access authority; and S5, the consumable package unsealing state is monitored through a weight sensor, and a use starting signal is formed. The medical consumable use compliance monitoring method and system based on the Internet of Things can solve the problem of lack of real-time compliance monitoring in the medical consumable use process.

The invention discloses a heat-not-burn device and a heating control method thereof.The heating control method comprises the steps that when a heating starting signal is received, a heating assembly is controlled to heat an aerosol-forming substrate, so that the aerosol-forming substrate is heated to a first temperature from an initial temperature; when it is detected that the suction action starts, the heating assembly is controlled to heat the aerosol-forming substrate so that the aerosol-forming substrate can be heated to a third temperature from the current temperature, and the third temperature is larger than or equal to the first temperature; when it is detected that the smoking action is finished, the heating assembly is controlled to heat the aerosol-forming substrate so that the aerosol-forming substrate can be cooled to a fourth temperature from the current temperature, and the fourth temperature is smaller than the third temperature. By implementing the technical scheme of the invention, the aerosol-forming substrate cannot be excessively carbonized, and the loss is small.

The invention provides a UCIe-based data transmission method, a storage medium and an artificial intelligence chip. The data transmission method comprises the following steps: communicating with a second core particle through a first core particle; receiving a bypass receive data signal and a bypass receive clock signal from the transmit module of the first core particle through the receive module of the second core particle; the serial-to-parallel conversion module is used for transmitting the bypass receiving data signal and the bypass receiving clock signal to the second core particle through the receiving module; counting the bypass receiving clock signal through a serial-to-parallel conversion module to obtain a bypass receiving frame count value, and sampling a bypass receiving data signal according to the bypass receiving frame count value; a serial-to-parallel conversion module decides to count a bypass burr removal count value according to a bypass burr removal counter starting signal; and when the bypass glitch removal count value is equal to the bypass glitch removal counter threshold value, resetting the bypass receiving frame count value through the serial-to-parallel conversion module. According to the invention, good data transmission quality among the core particles can be realized.

A stage circuit includes an output unit which supplies a scan signal to an output terminal in response to a voltage of a first node and a second node, an input unit which outputs a carry signal or a start signal input to a first input terminal in response to a clock signal, a first transistor connected between the input unit and the second node and set to a turn-on state during a driving period, and a controller connected between the input unit and the first transistor or between the first transistor and the second node, where the controller controls an electrical connection between the input unit and the second node.

The invention discloses a multi-task parallel test method for a multi-station FCT test system, and relates to the technical field of parallel tests.The method comprises the steps that a plurality of target PCBA products are loaded to corresponding stations on a needle bed respectively, and starting signals are obtained; scanning the target PCBA product to obtain a plurality of pieces of production work order information and a plurality of test programs; executing a plurality of test programs to obtain a plurality of test signal sets; carrying out test qualification authentication; load working signals are collected; and judging whether the plurality of load working signal feature sets meet a preset requirement or not, and displaying a qualified station of the product test through a machine indicator lamp. The technical problems that PCBA product testing efficiency is low, accuracy is difficult to guarantee and product quality control is not comprehensive in the prior art are solved, and the technical effects that the efficient process of conducting product testing at multiple stations at the same time is achieved, the testing efficiency and accuracy are improved, and the product quality is effectively guaranteed are achieved.

Embodiments relate to a level shifter including a first circuit unit configured to output a start signal, a reset signal, and a node charge signal to a gate driver in response to a start control signal and a node charge control signal that are input from a timing controller, a second circuit unit configured to output an output erase signal and a clock shift stop signal in response to the start signal and the reset signal, and a third circuit unit configured to generate a clock signal based on a clock control signal input from the timing controller and output the generated clock signal to the gate driver in response to the output erase signal and the clock shift stop signal that are output from the second circuit unit, a display device including the same, and a method of driving the display device.

The invention discloses a strip steel coiling method and system and a strip steel rolling system.The method comprises the steps that a first starting signal is sent to a first coiling machine, and the first coiling machine is controlled to coil a first strip steel section output by a finishing mill; in response to the received first steel throwing signal, a second starting signal is sent to a second coiling machine, and the second starting signal is used for indicating a coiling block and a wrapper roller of the second coiling machine to speed up and indicating a pinch roller of the second coiling machine to descend so as to coil a second strip steel section output by the finishing mill. The first steel throwing signal is used for transmitting information that the strip tail of the first strip steel section leaves the finishing mill. And when a first steel throwing signal generated when the strip tail of the first strip steel section leaves the finishing mill is received, a winding drum and a wrapper roll of the second coiling machine are controlled to speed up, a pinch roll of the second coiling machine is controlled to descend, the second coiling machine is made to have the coiling condition before the second strip steel section reaches the second coiling machine, and waste steel is avoided.

The invention discloses a volume tube standard volume value calibration method based on response time of an electromagnetic directional valve. A high-speed camera starting signal is triggered when the volume tube baffle triggers the approach detection switch, and the high-speed camera is started to shoot to obtain a dithering image when the electromagnetic reversing valve is opened. Then, the gray response value of the shaking image of the electromagnetic reversing valve is extracted, the gray response value is drawn into a graph along with the change of time, the graph is analyzed, and the frame number corresponding to the first wave crest of the graph is the opening duration of the electromagnetic reversing valve. Similarly, the closing duration of the electromagnetic reversing valve is obtained, the difference between the two durations is obtained to obtain the response time difference, the response time difference is substituted into the volume loss formula to be calculated, and the standard volume value loss volume when the volume pipe standard volume value is calibrated is obtained. According to the invention, a high-speed camera technology is introduced as an observation means, and the real opening time and closing time of the electromagnetic reversing valve can be measured actively, objectively and directly by accurately capturing and analyzing the high-speed images.

The fancy steamed stuffed bun wrapper coating machine comprises a frame body and a PLC control device, a conveying belt is erected on the frame body, a wrapper feeding machine is arranged on one side of the conveying belt, and a material taking mechanical arm is arranged between the wrapper feeding machine and the conveying belt; the PLC control device receives the starting signal and then outputs a first control instruction to the leather feeder; the photoelectric sensor detects passing of the to-be-processed product and outputs a signal indicating that the to-be-processed product passes to the PLC control device, a second control instruction is output to the material taking manipulator to take the wrapper based on the output signal of the photoelectric sensor, and the wrapper is placed and attached to the to-be-processed product; and the PLC control device detects whether the material taking manipulator completes the placing action or not, if yes, a first control instruction is output to the leather supplying machine on the upper station and the lower station in the advancing direction of the conveying belt, the steps are repeated, and the to-be-machined product is coated with leather for many times. The device has the effect of improving the automation degree and the production efficiency.

The invention discloses a vehicle air conditioner control method, electronic equipment and a storage medium, and relates to the technical field of vehicles. The method comprises the steps that in response to an air conditioner starting signal of a specified seat, a sensor is controlled to obtain environment parameters and heat radiation data of passengers at the specified seat; based on the environment parameters, the specified seat position and the heat radiation data, estimating human body heat parameters of passengers at the specified seat position, and based on the human body heat parameters, calculating comfort values corresponding to the passengers at the specified seat position; and on the basis of the comfort value, an interactive sendible temperature option is configured, and after an interaction instruction is received, an air conditioner is controlled to regulate and control the temperature of the area where the designated seat is located. By means of the method, the real-time somatosensory requirements of passengers can be accurately reflected, and therefore better air conditioner comfort interaction can be achieved for users.

A display device can include a display panel with a plurality of sub-pixels disposed therein, and a gate driving circuit configured to output a gate signal to the plurality of sub-pixels. The gate driving circuit includes a pull-up transistor controlled by a voltage level of a Q-node, a pull-down transistor configured by a voltage level of a QB-node, a dual carry circuit configured to output a forward carry signal in accordance with the voltage levels of the Q-node and the QB-node in forward driving and output a backward carry signal in accordance with the voltage levels of the Q-node and the QB-node in backward driving, and a clock input circuit configured to apply a forward clock signal to the Q-node when a forward start signal is input and apply a backward clock signal to the Q-node when a backward start signal is input.

The invention discloses a partition refresh circuit and a refresh control method thereof, a display panel and display equipment, and relates to the technical field of display, the circuit comprises a plurality of cascaded gate driving modules, each gate driving module comprises a gate scanning unit and a refresh selection unit, a direct-current potential signal accessed to a direct-current voltage end by the grid scanning unit under the driving of a previous-stage scanning signal is transmitted to the refresh selection unit, the refresh selection unit is triggered to access a data memory signal provided by a data signal end, and a refresh starting signal acting on a refresh starting end is determined according to the data memory signal; and triggering the gate scanning unit to output a dynamic refreshing signal line by line from the initial pixel line so as to perform partition refreshing operation on all the pixel lines of the dynamic refreshing partition, and stopping the partition refreshing operation according to a reset signal of a reset end until the gate scanning unit scans to the final pixel line of the dynamic refreshing partition. Independent refresh rate control of different areas of the screen is realized to reduce the display power consumption of the screen.

The embodiment of the invention provides a hydrogenation gun, a hydrogenation system and a hydrogenation station, the hydrogenation gun comprises a hydrogenation pipe, a first cylinder, a first proximity switch and a first torque sensor; the hydrogenation pipe is divided into a hydrogenation front pipe and a hydrogenation rear pipe through a valve; the first torque sensor is used for detecting whether the hydrogenation front pipe is butted with a hydrogenation port of a vehicle to be hydrogenated or not after receiving a hydrogenation starting signal; the first cylinder is used for controlling the valve to be opened after the hydrogenation front pipe is butted with the hydrogenation port; and the first proximity switch is used for sending in-place information to the hydrogenation system after detecting that the valve is in an open state. The butt joint state between the hydrogenation gun and the hydrogenation port of the vehicle to be subjected to hydrogenation is detected through the first torque sensor, after butt joint is completed, the valve is controlled to be opened, when the first proximity switch detects that the valve is opened, the hydrogenation system is controlled to convey liquid hydrogen to the hydrogenation gun, and therefore automatic filling when the hydrogenation gun is inserted into the hydrogenation port is achieved.

The invention discloses an intelligent cloud management high-definition card printer system, and relates to the technical field of card printers, the intelligent cloud management high-definition card printer system comprises a processor, a database and a printing module, the processor is connected with the database through signal transmission, and the printing module is connected with the processor through signal transmission. The printing module comprises an information acquisition assembly and a printing assembly, the information acquisition assembly is used for acquiring material information and environment information, the printing assembly is used for printing cards, and the processor controls the printing module to start by receiving a primary starting signal and a secondary starting signal. The processor constructs a color compensation module through information collected by the information collection assembly to output a color compensation value to adjust the printing assembly. By designing and constructing the color compensation model, the function of high-precision card printing is realized, the problems of dependence on off-line measurement, color gamut deviation and response lag are solved, the color deviation can be compensated in real time, and the quality and specialty of card printing are improved.

The invention discloses a 3D sensing circuit, a sensing, storage and calculation integrated macro-cell circuit, a system and a data processing method, and the 3D sensing circuit comprises a 3D light signal sensing unit which is used for converting light flight time into a time pulse signal; the time conversion analog circuit is used for converting the flight time of the photons into analog current signals or analog voltage signals according to the time pulse signals; the time conversion analog circuit comprises a control module, an integration module and a reading module, and the control module is used for controlling the integration starting and ending of the integration module, outputting a starting signal when photons are emitted, and outputting a stopping signal when time pulse signals are received; the integration module is used for carrying out integration on the current after receiving the initial signal and ending the integration after receiving the stop signal; and the read-out module is used for converting the integral signal into a voltage signal and a current signal required by a system post-stage.

The embodiment of the invention provides a zero point learning method and device for a braking system, and relates to the technical field of motor control, and the method comprises the steps: obtaining a starting signal of braking voltage buildup zero point learning, the starting signal of braking voltage buildup zero point learning being generated based on vehicle power-on or vehicle power-off; the motor controls the piston to move forward from a target position by adopting a set moving method, the forward direction is the direction of the brake disc relative to the piston, and the set moving method is used for controlling the speed change of the piston; in the moving process, motor movement data of the motor are collected, real-time change data of the motor movement data are analyzed, if the real-time change data meet the set movement condition, the current position data, corresponding to the real-time change data, of the piston serves as the braking zero point, and the set movement condition is that when the motor passes through the braking zero point in the movement process, the current position data of the piston is changed into the braking zero point. The generated empirical data is obtained. According to the method, zero point learning and correction can be flexibly and conveniently carried out, and the driving safety is improved.