1680 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 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 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.

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.

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.

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 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.

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 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 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.

An emission driver is disclosed. The emission driver includes a Q node controller configured to control a voltage at a Q node by applying a start signal, a carry signal, or a high-potential driving voltage to the Q node responsive to a first clock signal, a QB node controller configured to control a voltage at a QB node by applying the high-potential driving voltage or a low-potential driving voltage to the QB node responsive to the first clock signal, an output buffer configured to output the high-potential driving voltage or the low-potential driving voltage to the corresponding emission line responsive to the voltages at the Q node and the QB node, and a pump controller configured to change the voltage at the Q node according to a second clock signal while the emission signal is output at a turn-on level responsive to the start signal or the carry signal.

The invention relates to a glass capillary microscopic flaw detection method and system, and relates to the field of material nondestructive testing, and the method comprises the following steps: collecting a capillary detection signal; when the capillary detection signal is consistent with the detection starting signal, collecting a capillary serial number; determining a sound detection number according to the capillary number; obtaining a standard reaction characteristic based on the capillary serial number and the sound detection serial number; generating and transmitting a corresponding sound wave signal to the capillary tube based on the sound detection number, and collecting sound reaction characteristics; when the sound reaction characteristics are inconsistent with the standard reaction characteristics, controlling vibration auxiliary equipment to apply auxiliary vibration to the capillary tube, and collecting post-vibration sound reaction characteristics; if the post-vibration sound reaction characteristics are inconsistent with the sound reaction characteristics, a capillary tube cleaning prompt is reported; if the after-vibration sound reaction characteristics are consistent with the sound reaction characteristics, capillary tube defect prompts are reported. The method has the effect of improving the detection accuracy of the glass capillary.

According to the refresh rate adjusting circuit and the display panel provided by the invention, the refresh starting module is arranged to output the starting signal to the gate driving circuit, so that the gate driving circuit can perform scanning signal re-output based on the starting signal besides default scanning signal output; therefore, the refresh rate of the pixel row corresponding to the gate drive circuit can be improved, and meanwhile, the refresh ending module is arranged to stop the improvement of the refresh rate, namely, the refresh starting module and the refresh ending module are used for realizing the selection of the refresh rate improvement area, so that the refresh rate improvement efficiency is improved. The selection for improving the refresh rate can be carried out on the region in the picture according to actual requirements; in order to realize resetting of re-refreshing, a refreshing and resetting module is arranged, so that the complete steps of starting, transmitting and ending in the re-refreshing process are realized, the refresh rate of partial areas in the display picture is improved, and the setting of different refresh rates of different areas in the display picture is realized.

The invention discloses a vehicle starting acceleration control method and device, electronic equipment and a storage medium. The method comprises the following steps: in response to a starting signal of a target vehicle, determining a driver vehicle control grade corresponding to the target vehicle; determining a vehicle driving mode corresponding to the target vehicle; determining starting environment data corresponding to the target vehicle; determining the starting safety level of the target vehicle according to the driver vehicle control level, the vehicle driving mode and the starting environment data; and determining a starting acceleration corresponding to the starting safety level, and controlling the target vehicle to start based on the starting acceleration. Based on the technical scheme, the vehicle starting acceleration can be accurately controlled based on the multi-dimensional data, and the stability and safety of vehicle starting are improved.

The embodiment of the invention provides a display module, a driving method thereof and electronic equipment, relates to the technical field of electronics, and is used for designing a low-power-consumption display module. When the display module is designed, a driving circuit in the display module is set to comprise a first driving sub-circuit and a second driving sub-circuit which can be independently driven. During local display, grid starting signals corresponding to the first driving sub-circuit and the second driving sub-circuit are independently fed in. For example, the first driving sub-circuit supplies an effective grid starting signal, and the second driving sub-circuit supplies an invalid grid starting signal, so that independent driving of the first driving sub-circuit and the second driving sub-circuit is realized. On the basis, the clock signal corresponding to the first driving sub-circuit is overturned at a normal frequency, and the clock signal corresponding to the second driving sub-circuit is not overturned or overturned at a reduced frequency, so that different feeding of the clock signals is realized, and the power consumption of the display module is reduced.

The invention discloses a combined machining system with five-axis linkage control and four-spindle independent control functions. The combined machining system integrates high-precision combined CNC machining equipment, an AGV (automatic guided vehicle) logistics device and an MES (manufacturing execution system). According to the system, four high-speed main shaft units are arranged in parallel in the X-axis direction, an inclinable workbench is independently installed in front of each main shaft unit, and the system has the functions of inclining by + / -110 degrees and rotating by 360 degrees. Each workbench is provided with a center pressing type circular quick-change clamp adapter, and a 3D identification mark is embedded into each workbench so that the AGV logistics device can automatically identify and replace the center pressing type circular quick-change clamp adapter. According to the system, an MES instructs the AGV to enter a standby state in advance through an M330 forecast signal output by the CNC, then after automatic cleaning and door body opening operation are sequentially executed, the AGV enters equipment to complete clamp replacement, real-time communication among the MES, the CNC and the AGV is achieved on the basis of an OPC-UA protocol in the whole process, and the MES issues a Cycle Start signal only when all working conditions are met, so that the high-speed unmanned continuous machining process is ensured.

The invention discloses a blind area sensing and control method, device, equipment and system based on multi-view collaboration and a vehicle. The method comprises the following steps: receiving first environment image information from an all-round camera group; a steering signal, a steering wheel angle and a vehicle speed are received from a vehicle chassis system, a starting signal is sent to the oblique rearview camera on the corresponding side according to the steering signal, and second environment image information of the oblique rearview camera is received; adjusting a user interested area in the second environment image information according to the steering wheel angle and the vehicle speed; constructing a top view of the surrounding environment of the vehicle according to the first environment image information and the image information in the region of interest of the user, and determining target obstacle information according to the top view; calculating the collision time of the target obstacle and the vehicle according to the target obstacle information and the driving track of the vehicle; when the collision time is within a preset early warning range, an alarm signal is sent; and when the collision time is within a preset active intervention range, sending an active intervention signal. And the safety in a complex and changeable road scene can be improved.

The invention discloses an ultra-wideband circulator based on a periodic modulation topology circuit, and belongs to the technical field of microwave and radio frequency nonreciprocal circuits. The working bandwidth range of the circulator is widened, and non-reciprocal transmission is achieved through non-magnetic materials. A time sequence control unit is respectively connected with a Floquet topology circuit layer, a clock signal driving module, a reset signal driving module and a start signal driving module; the Floquet topology circuit layer is respectively connected with a first coupling port, a second coupling port and a third coupling port; the other ends of the first coupling port, the second coupling port, the third coupling port, the clock signal driving module, the reset signal driving module and the starting signal driving module are respectively grounded; the Floquet topology circuit layer adopts a six-layer parallel network structure, and each layer of network structure comprises a coupling capacitor and three N-type MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) switches. The advantages of the switched capacitor structure are utilized, and the signal processing capacity which is high in integration level, small in size and capable of breaking through delay-bandwidth limitation is achieved.

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.

A gate driving circuit and a display apparatus including the same are disclosed. The gate driving circuit includes a Q-node controller configured to control a voltage of a Q-node by first and second clock signals and a start signal or an output signal of an upstream stage, a QB-node controller configured to control a voltage of a QB-node by the second clock signal, a pull-up transistor configured to pull-up drive a logic output terminal in response to the voltage of the Q-node, a pull-down transistor configured to pull-down drive the logic output terminal in response to the voltage of the QB-node, a first inverter transistor configured to supply a gate-low voltage to an output terminal in response to the first clock signal, and a second inverter transistor configured to supply a gate-high voltage to the output terminal in response to a voltage of the logic output terminal.