1018 results about "Stop signal" patented technology

The present disclosure generally relates to a lens that provides a stop signal for myopia over a substantial portion of a spectacle lens that is being used by a viewer. The present disclosure relates to an apparatus, method, and / or system for applying a stop signal for eye development using a spectacle lens in combination with an array of microlenses. The present disclosure also relates to an apparatus, method, and / or system for modifying incident light through a spectacle lens that utilizes color cues to slow the rate of myopia progression. The present disclosure relates to an apparatus, method, and / or system for applying a stop signal for eye development using a spectacle lens in combination with a refractive optical element and / or a diffractive optical element that provides conflicting or opposing optical signals at wavelengths between 510 nm and 610 nm.

The invention relates to the technical field of machine learning, in particular to a cooling pump optimization algorithm of a central air-conditioning water chilling unit based on a knowledge graph, which comprises the following steps of: acquiring an alignment relationship between a pump start-stop signal and current response time, extracting an action section and a path node sequence to construct a logic sequence, and identifying control signal alternation and direction deviation to extract a path limit number, and screening response delay and a load fluctuation section to correspondingly adjust an identification area. According to the method, behavior mapping between the pump action and the signal time sequence is constructed, alternating signals and direction deviation fragments in a control chain are extracted, a path limiting identifier is generated to be used for restraining control interference, a trigger area is regulated and controlled in combination with matching of load response and an equipment action section, and an accessible path is screened to replace a limited section; the path structure is recombined, instruction chains are sorted, the matching capability of path scheduling and the response collaboration of linkage nodes are enhanced, and the control process is promoted to be kept continuous and stable in a differentiated state.

A radiation imaging system comprises a sensor unit of a radiation imaging device, detecting an incident radiation R irradiated from a radiation generator; an arithmetic unit calculating an accumulated dose of the radiation detected by the sensor unit; and an imaging control unit outputting an irradiation stop signal for stopping the irradiation of the radiation R to the radiation generator when the accumulated dose reaches a threshold or more, wherein the imaging control unit sets the threshold based on a dose rate of the radiation R determined based on a relationship between the accumulated dose and a time, and a delay time from a time of outputting the irradiation stop signal to a time of stopping the irradiation of the radiation of the radiation generator.

The invention provides a drain valve leakage online monitoring method and system based on infrared thermal imaging and deep learning. Comprising the following steps: step 1, collecting a thermal image sequence of a drain valve area in real time through an infrared thermal imager, and simultaneously obtaining a drain valve start-stop signal; step 2, based on a steam trap start-stop signal, synchronously segmenting the thermal image sequence into a working state sequence and a shutdown state sequence according to a working period, and performing dynamic background difference processing on each frame of image to eliminate thermal inertia interference of equipment; 3, calculating a temperature gradient map of each frame of image, generating a temperature gradient mask, and highlighting temperature mutation characteristics of the leakage area; 4, constructing a two-channel time sequence compression network model; 5, evaluating the environmental interference degree based on the dynamic interference index, and dynamically adjusting a leakage judgment threshold value; and step 6, in combination with the leakage region area change rate, the temperature gradient change rate and the sensor data trend, carrying out graded judgment on leakage events, and distinguishing real leakage from background thermal interference through texture feature matching.

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.

To provide a power conversion device having an overcurrent protection circuit unit that rapidly detects an overcurrent and protects a semiconductor switching element.SOLUTION: In a power conversion device, an overcurrent protection circuit unit (41) includes a detection signal adjusting means (60) that outputs an adjusted detection signal (I-sens-aj) having a gain adjusted according to a detection signal (I_sens) of a current sensor (21) that detects a phase current and a comparator (61) that compares the adjusted detection signal with an overcurrent threshold (I_thres) to determine an overcurrent and provide an overcurrent stop signal (51) to a drive circuit unit (40).SELECTED DRAWING: Figure 4

The invention discloses a spiral air duct predictive operation and maintenance method and system based on digital twinning, and relates to the technical field of air duct system state monitoring and operation and maintenance, and the method comprises the following steps: deploying a high-frequency acoustic emission AE sensor and a low-frequency vibration acceleration sensor at key nodes of a spiral air duct, and taking a fan start-stop signal and operation power as working condition labels; a high-frequency acquisition mode is automatically triggered, noise reduction processing is carried out, and a multi-mode acoustic vibration original signal data set which is provided with a time sequence and a working condition label and is subjected to preliminary noise reduction is output; the high-frequency acoustic emission AE sensor and the low-frequency vibration acceleration sensor are arranged in the spiral duct, the health state of the thin-wall structure is monitored in real time through the high-frequency acoustic emission technology, weak early-stage fault signals in the duct can be accurately captured and early warning can be given out in the fault germination stage of fretting wear, sealant aging and the like of the spiral duct, and the fault early-warning effect is achieved. Real-time monitoring, early warning and accurate operation and maintenance of the spiral air pipe are achieved.

Method and device for celestial timekeeping that synchronizes independent object-relative cyclic time and displays each unique temporal interval on a single user display system. Multi-celestial cyclic time is displayed based on a user's frame of reference by aligning with recurrent and unique cyclic start / stop signals and the local reference frame timekeeping system. For example, using the Coordinated Universal time (UTC) for a user on Earth to equate the duration of independent cyclic time of Lunar18, Mars24, and so on. The method uses dimensional analysis and equates a single cyclic, non-cyclic (zero-time; start / stop non-dimensional instant of a cycle), and linear continuous time [T] from an observer frame of reference for displaying one or more temporal cycles on the user's device. Each independent cycle is consistent with temporal counts of a whole cycle (equated to SI units) displayed as either a discrete geometric shape (spatiotemporal units) and / or algebraic numbers on the device.

The invention provides a PLC unmanned truss control method and system, and relates to the technical field of truss control, and the method comprises the steps: S1, an upper computer inputs a target coordinate, a PLC generates a three-axis motion track based on an interpolation algorithm, and dynamically adjusts the speed curve of each axis; s2, the upper computer reads real-time state data of the PLC and writes a control instruction into the PLC according to the real-time state data; s3, if the sudden stop signal is detected to be triggered, cutting off the power supply of the servo driver, recording the fault type and the triggering time, generating a log file, and otherwise, entering the next step; s4, the PLC receives a task instruction of the upper computer, and motion parameters are dynamically adjusted according to feedback of the sensor; and S5, controlling each axis to micro-move through the upper computer, and recording the coordinates of the teaching points to generate a reproducible motion sequence. Through cooperative control of the PLC and the upper computer, a centralized management and decentralized execution mode is realized, and the risk of single-point failure is reduced.

The invention relates to a generation power control method, device and equipment of a slope type gravity energy storage system, a storage medium and a program product, and relates to the technical field of gravity energy storage. By adopting the method, the generated power stability of the slope type gravity energy storage system can be improved. The method comprises the following steps: according to power generation request power and unit output power of the slope type gravity energy storage system, determining the current demand number of generator sets; the current generator set is a power generation device comprising two rails; selecting a target number of trucks to be in place on a high-altitude platform of the slope type gravity energy storage system according to the demand number of the current generator set; in response to a power generation starting signal of the slope type gravity energy storage system, according to the truck acceleration control principle, a variable parameter mode is adopted, and the truck is controlled to slide down at wrong time; responding to a power generation stop signal of the slope type gravity energy storage system, and when it is recognized that all the truck slides down and stops on the low-altitude platform of the slope type gravity energy storage system, power generation is ended.

The utility model provides air supply equipment. The air supply equipment comprises an air supply main body, a filter assembly and a detection assembly, the air supply body is provided with an air supply channel. The filtering assembly is installed in the air supply channel. The detection assembly comprises a detection fan blade, a resistance piece and a detection piece. The detection fan blade is rotatably installed in the air supply channel. The resistance piece is used for applying resistance to the detection fan blades to prevent the detection fan blades from rotating. The detection piece is in communication connection with the air supply body and used for detecting whether the fan blades rotate or not. According to the air supply equipment, the filth blockage condition of the filter assembly is judged by detecting whether the detection fan blades rotate or not through the detection part, that is, when the rotation torque borne by the detection fan blades is smaller than the resistance, the detection fan blades stop rotating, the detection part generates a rotation stopping signal and feeds back the rotation stopping signal to the air supply main body, and the air supply main body stops working; and a user is reminded to replace the filter assembly in time, so that the failure of the air supply equipment caused by excessive impurities attached to the filter assembly is avoided, and the reliability and safety of the air supply equipment 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.

A controller 1 is provided with: a motor controller (10, 11, etc.) that supplies a drive current to a motor 3, which is a power source of a processing device so as to place the motor 3 in a normal operating state, and, in response to multiplexed commands (S1, S2) that are sent from outside and relate to a safety function operation of the processing device, controls the drive current so as to place the motor 3 and the processing device in a safety stop state; and a command monitoring unit 16 that monitors whether or not the commands (High / Low of S1, S2) match each other. If a period during which the commands do not match exceeds an allowable value, the command monitoring unit 16 generates a safety stop signal Sd (High) for safely stopping the motor 3, and continuously sends the safety stop signal Sd (High) to the motor controller. This configuration makes it possible to facilitate construction of a safety system that uses the controller.

The invention discloses a method for automatically setting a working frequency based on a field radio frequency environment, which relates to the technical field of wireless communication, and comprises the following specific steps of: acquiring field radio frequency environment data in real time through a wireless frequency data acquisition module, and storing the field radio frequency environment data in a database; the data processing module screens non-interference frequency points based on third-order intermodulation interference compatibility calculation, the working frequency of the receiver and the working frequency of the transmitter are dynamically adjusted through the equipment control module, and the database, the data processing module and the equipment control module cooperate to achieve automatic frequency switching. A receiver in the method is provided with a standby receiving sub-module, when it is detected that a current frequency point is interfered, the current frequency point is automatically switched to a standby frequency point, stable operation of a system is ensured, the transmitter synchronizes the frequency with the receiver through a communication protocol in a speaking state, signal transmission is stopped in a mute state, environment interference can be monitored in real time, manual intervention is not needed, and the method is suitable for popularization and application. Manual frequent manual operation for frequency adjustment is avoided, and the anti-interference capability of a wireless communication system is remarkably improved.

A radiographic imaging system includes a control apparatus configured to control a radiation generation apparatus, and a radiographic imaging apparatus including a sensor unit configured to detect radiation emitted from the radiation generation apparatus and a communication unit configured to transmit, to the control apparatus, an irradiation stop signal to stop the radiation generation apparatus from emitting radiation based on a dose of the radiation detected by the sensor unit, wherein the communication unit transmits, to the control apparatus, a plurality of control signals as one set, each of the plurality of control signals including the irradiation stop signal, and wherein the control apparatus stops generation of radiation from the radiation generation apparatus based on the plurality of control signals.

An analytic routine uses images from a cell phone, dash cam, or other portable electronic device to warn a driver that his / her vehicle is likely go through a red light, or fail to stop or sufficiently slow down at a stop sign or other stop signal. The analytic routine can be calibrated using relative sizes of a target in the first and second images, and apparent size of the target in the second image when at a time when the device is at an estimated or calculated distance to the target. Following calibration, the calibrated analytic routine uses information obtained from a third image to derive an estimated travel time to a second stop signal, and warns the driver to adjust a speed of the vehicle.

The invention relates to the field of equipment control, in particular to a water tank penetrating air source self-adaptive adjusting method and system. The method comprises the following steps: acquiring a finishing mill start-stop signal and a wire rod head position signal in real time; dynamically calculating the residual distance from the head of the wire rod to the penetrating water tank, and generating a dynamic delay opening threshold value; the electromagnetic valve is controlled to open the pneumatic ball valve in a sectional manner; monitoring the covering length of the wire rod and converting the covering length into an equivalent gas resistance value; a dynamic pressure compensation amount is generated through a pressure closed-loop controller; the opening degree of the pneumatic ball valve is adjusted accordingly; when the finishing mill stops, the pneumatic ball valve is triggered to be closed, and a gradient pressure relief turn-off program is executed if necessary. By means of the distributed sensor array and the multi-mode recognition neural network, real-time accurate monitoring and analysis of the operation state of the pump set are achieved, dependence of post personnel is reduced, and the automation degree and stability are improved. And by dynamically optimizing the control strategy, the pump set system operates efficiently, energy waste is reduced, the energy utilization efficiency is improved, and the production cost is reduced.

The invention relates to the technical field of computers, and discloses a method for process management, which comprises the following steps: under the condition of meeting a low power consumption condition, sending a low power consumption control message to an event management process so as to enable the event management process to send a stop signal; and under the condition that the stop signal is received, the application process enters a low-power-consumption state. By receiving the stop signal sent by the event management process, the running state of the application process is switched, so that the application process enters the low-power-consumption state, power consumption management on the application process can be realized, and the power consumption of the system is reduced. The invention furthermore discloses a process management apparatus, a computing device and a computer readable storage medium.

An electronic device includes a speaker, a sensor, a communication circuit, a processor, and a memory to store instructions. The instructions, when executed by the processor, cause a wireless audio device to, while outputting a signal for reducing an external sound through the speaker, identify, using the communication circuit, an external electronic device, identify, using the sensor, a conversation responsive to a location of the external electronic device satisfying a specified condition, responsive to identifying the conversation, stop an output of the signal for reducing the external sound for a first period of time, and responsive to identifying a specified keyword included in the conversation, prolong stopping the output of the signal for reducing the external sound for a second period of time.

The invention belongs to the field of artificial intelligence and energy power system cross control, and particularly relates to a coal-fired unit fused salt combined frequency modulation control method and device based on deep reinforcement learning. According to the method, a deep reinforcement learning agent model is constructed, and boiler fuel quantity, steam turbine valve position, fused salt heat charging and discharging power and pump starting and stopping signals are dynamically output based on state space vectors; and tracking precision, thermal stress, emission and coal consumption indexes are fused through a multi-target reward function, and strategy autonomous optimization is realized by adopting a double-Q network, experience playback and target network delay updating mechanism. After deployment, the boiler, the steam turbine and the molten salt unit can be coordinated on line, power space-time decoupling and closed-loop cooperation are achieved, on the premise that main steam parameter stability and equipment safety are guaranteed, the frequency modulation response speed and precision are remarkably improved, the thermal fatigue risk is reduced, and the unit economy and the power grid adaptability are enhanced. And a flexible adaptive adjustment capability is provided for a high-proportion new energy power system.

The invention relates to a gamma sector distinguishing method for a near-bit, and relates to the technical field of oil-gas exploration and development. According to the method provided by the embodiment of the invention, the angular difference problem of the near-bit instrument is automatically processed through the processing of the initial angular difference, the free configuration of the angular difference is realized, and if the mounting position is changed, the trouble in the dismounting process can be reduced. And the difference value between the gravity tool face and the magnetic tool face is collected through an external pump stopping signal to serve as the calibration offset. Meanwhile, the theory that the components of the magnetoresistive sensor in the positive and negative directions of the standard magnetic field are opposite numbers is used, and a certain magnetoresistive component is linear accumulation of all axial components in the standard magnetic field. And respectively corresponding component coefficients can be calculated through composite operation between standard positions. The calibration precision is improved, errors caused by component differences or component installation errors in the installation and debugging process are reduced, the influence on the magnetic tool face is reduced, and the linearity and precision of the tool face are improved.

The invention relates to the technical field of integrated circuit testing, and discloses a method and equipment for scanning a voltage and current flip point of a chip, and the method comprises the following steps: an upper computer completes parameter configuration and wave table loading and then sends a starting instruction, a global synchronization unit generates a synchronization signal, and the synchronization signal is sent to a chip; the random waveform generator is started in parallel for scanning, the trigger unit is started for monitoring, the internal counter is started for timing, when the trigger unit monitors overturning, a stop signal is sent, the global synchronization unit latches a count value immediately, and finally, the upper computer reads the count value and calculates an overturning point value in combination with a wave table rate and a clock period. According to the invention, the global synchronization unit is used for coordinating the parallel hardware architecture of the arbitrary waveform generator and the trigger unit, so that the continuous scanning of the excitation signal and the real-time monitoring of the response signal can be autonomously operated on the hardware level, and the overall time consumption of a single flip point test is greatly shortened.

A CMOS integrated chip (1) comprising a time-to-digital converter, TDC, circuit (2) for light detection and ranging, lidar, applications, comprises a start channel (10) comprising an input (11) for a start signal (ST), and at least one stop channel (20, 30) comprising an input (21, 31) for a stop signal (SP). It further comprises a TDC element (40) for each of the start and stop channels (10, 20, 30), wherein the TDC element (40) is configured to store respective counts when triggered by the start signal (ST) or the stop signal (SP), respectively. It further comprises a calculation unit (50) coupled to each TDC element (40) and configured to determine a time difference (ΔT) associated with the start signal (ST) and the stop signal 8SP) based on the counts, and an instruction driven communication interface (60) comprising at least two bidirectional data pins (63, 64). Further, a time-of-flight measurement system and a method of operating the CMOS integrated chip (1) is provided.

There is provided a control method of a household appliance (100), the household appliance (100) comprising a motor (120) driven by a driving current, the method comprising the steps of: receiving a stop signal for stopping the motor (120); executing an open brake control for stopping the supply of the drive current to the motor (120) on the basis of receiving the stop signal; estimating an initial motor speed of the motor at the start of the open brake control based on a motor phase current of the motor at the start of the open brake control; determining a start time of short-circuit brake control for applying torque in a direction opposite to a rotation direction of the motor based on the estimated initial motor speed; and executing short-circuit brake control at the determined short-circuit brake control start time.

To provide contact lenses to be put on eyes experiencing axial-length related disorders, such as myopia.SOLUTION: A contact lens for managing myopia comprises: an optical zone defined to have a center substantially at its optical axis to provide substantially toric or astigmatic cues for the eye; and a non-optical peripheral carrier zone about the optical zone configured to have a thickness profile that is substantially rotationally symmetric to further provide temporally and spatially varying stop signals to decelerate, ameliorate, control, inhibit or reduce the rate of myopia progression over time.SELECTED DRAWING: Figure 3

The invention relates to the technical field of pollution source supervision, and discloses a pollution source off-site supervision method and system based on big data, and the method comprises the steps: building a dynamic verification rule library through coupling the operation beat data of enterprise key equipment and the total power consumption fingerprint data, and comparing the matching degree between the actual energy consumption and the expected mode in real time and generating a process credibility index. According to the invention, conversion from traditional pollution discharge data verification to production process stability verification is realized, and an unforgeable supervision trust mechanism is constructed through the physical relevance between the equipment start-stop signal and the power utilization characteristic; and meanwhile, the judgment accuracy under the extreme working condition is ensured by utilizing environmental parameter dynamic compensation and micro-differential pressure bypass verification, and finally a quantifiable accumulation enterprise environmental protection credit evaluation system is formed.

The invention relates to the technical field of image data processing, in particular to a suspension spring cold roll forming precision online detection system based on image recognition, which comprises an image acquisition and preprocessing module, a spring morphology characterization module, a spring image reconstruction module, a three-dimensional image alignment module and a dynamic monitoring module. The image acquisition and preprocessing module dynamically acquires a multi-angle image of the spring and determines a target area; the spring morphology characterization module performs morphology analysis, establishes a first morphology graph and extracts two-dimensional features; the spring image reconstruction module adopts Faster R-CNN to generate a two-dimensional mask, reconstructs a three-dimensional point cloud through a multi-angle image and extracts key nodes; and the three-dimensional image alignment module aligns the three-dimensional data with the standard model, and calculates the precision deviation to carry out qualification judgment. And the dynamic monitoring module can perform periodic execution, and triggers a stop signal to realize closed-loop control when the precision reaches the standard. In addition, the system adopts a dynamic deviation threshold, and the detection efficiency is improved according to layered processing of spring types.

The utility model provides an oil-electricity hybrid power control system, which is suitable for a vehicle and comprises a storage battery, an integrated starter generator coupled to the engine; the hybrid power controller is used for receiving at least one of an accelerator opening degree signal, a brake signal, an engine rotating speed signal, a storage battery voltage signal, a starting signal and an idling stop signal and determining whether to perform one of a starting mode, a charging mode, an auxiliary power judgment mode, a regenerative charging judgment mode and an idling stop judgment mode according to the at least one of the accelerator opening degree signal, the brake signal, the engine rotating speed signal, the storage battery voltage signal, the starting signal and the idling stop signal; when the hybrid power controller is in a charging mode, the integrated starter generator is driven by the engine to generate and output a first AC voltage to the hybrid power controller, so that the hybrid power controller performs switching voltage regulation control according to the first AC voltage to generate output power to charge the storage battery and the vehicle load.

The invention is suitable for the technical field of charging facility safety control, provides an intelligent charging pile sudden stop reset system, and integrates advanced technologies such as a high-precision sensor, an intelligent control unit and a remote monitoring platform according to the safety requirement of an electric vehicle charging pile in emergency. The system can quickly cut off a power supply when detecting an emergency stop signal, and ensures safe reset through a plurality of reset modes. And meanwhile, the remote monitoring platform provides real-time monitoring, alarming and data analysis functions, so that the operation and maintenance efficiency and the user experience are improved. According to the intelligent charging pile sudden stop reset system, the safety and reliability of the charging pile are effectively improved, and the healthy development of the electric automobile industry is promoted.

The present disclosure relates to devices, systems and / or methods for myopia control. The present disclosure generally relates to a lens that provides a stop signal for myopia on a substantial portion of the spectacle lens being used by a viewer. The present disclosure relates to devices, methods and / or systems for applying a stop signal for eye development using ophthalmic lenses in combination with microlens arrays. The present disclosure also relates to devices, methods and / or systems for modifying incident light through spectacle lenses that utilize color cues to slow down the rate of myopia progression. The present disclosure relates to devices, methods and / or systems for applying a stop signal for eye development using spectacle lenses in combination with refractive and / or diffractive optical elements that provide conflicting or opposition optical signals at wavelengths between 510 nm and 610 nm.