44results about How to "Reduce operation delay" patented technology

The invention discloses a rubber injection molding and vulcanization production line comprising a conveying guide rail. A rubber injection molding machine is installed on the front section of the conveying guide rail. Vulcanizing presses are installed on the back section of the conveying guide rail. A supporting platform stretching across the conveying guide rail is installed on the front portionof the rubber injection molding machine. One end of the supporting platform is connected with an upper base of the rubber injection molding machine. A mold opening mechanism and a product fetching mechanism are installed on the supporting platform and located on the front portion of the rubber injection molding machine. The mold opening mechanism and the product fetching mechanism are arranged inthe direction perpendicular to the conveying guide rail. A linear guide rail is arranged on the conveying guide rail. The linear guide rail is provided with a conveying trolley in a sliding manner, and the conveying trolley is used for taking out a mold from the rubber injection molding machine, conveying the mold to the vulcanizing presses and conveying vulcanized products to the position below the product fetching mechanism. The rubber injection molding and vulcanization production line is small in occupied floor space, needs a small number of personnel and has high production efficiency.

The invention discloses a method and a system for guaranteeing distributed metadata consistency for a cluster file system. The method includes that: step one, a coordinator examines the performability of a first sub-operation in advance and sends request information to a participant, the participant executes a second sub-operation and feeds the executed information back to the coordinator after execution, and the coordinator and the participant write Commit marks in a log file; and step two, the consistency of the cluster file system is restored according to recording and combination of Commit logs of the log file of the coordinator and the participant.

Disclosed are an image rendering method and an image rendering device. The method includes the steps of creating at least two frame buffer objects, creating an image rendering thread, rendering image data to the frame buffer objects, creating a swap thread, exchanging image data stored by a rear buffer to a front rear, and copying the rendered image data from the frame buffer objects to the rear buffer. According to the image rendering method and the image rendering device, the image rendering thread and the swap thread belong to different threads and can be executed concurrently, and blocking of a swap buffer of the swap thread does not affect image rendering of the image rendering thread, so that the frame rate of image rendering can be guaranteed; meanwhile, the image rendering thread is not blocked, and user's operations can be responded as soon as possible, so that operation delay can be reduced.

The invention provides a bilateral CORDIC arithmetic unit, and a parallel Jacobian Hermite matrix characteristic decomposition method and an implementation circuit based on the bilateral CORDIC arithmetic unit. The parallel bilateral CORDIC arithmetic unit is of a six-input and four-output structure. Two times of unilateral CORDIC operation conversion are finished in one-time operation. Meanwhile, the bilateral CORDIC structure can enlarge the angle range of unilateral CORDIC operation from [-pi / 2, pi / 2) to [-pi, pi) by one time, and reuse of the same circuit structure in the realification process and the diagonalization process of a complex matrix can be possible. The bilateral CORDIC arithmetic unit, and the Hermite matrix characteristic decomposition method and the implementation circuit achieved by utilizing the bilateral CORDIC arithmetic unit can effectively reduce circuit operation time delay, reduce hardware resource consumption and improve operation precision of the circuit through unified factor rectification.

The invention relates to a subway train failure emergency treatment system and method. The system comprises a subway train failure library module, a failure emergency disposal method library module, a specialist analysis library module, a failure solution output module and a failure statistics evaluation module. Intelligent mobile terminal equipment can be utilized and adopted for being provided with subway emergency treatment guiding system software, and failure treatment guiding information is correctly and efficiently provided for a driver for the first time; audio, videos and other multimedia technologies are adopted, the subway driver failure treatment method is displayed in a three-dimensional mode, and guidance and prompts can be provided for the driver for the first time when a subway operation failure occurs. The phenomenon that the failure is treated improperly due to the poor field failure treatment capacity or mental factors can be effectively relieved, and the three-dimensional cognition of the driver for a driver's operation manual is deepened while the phenomenon that the operation is behind the schedule due to human factors of the driver is relieved.

A method for processing connection fault between signaling gateway and media gateway controller includes deactivating NO.7 signaling link between signaling gateway and exchanger or setting it to be processor fault to make exchanger no longer send calling message to MGC when exchanger receives information ; activating NO .7 signaling link between signaling gateway and exchanger by SG or removing off mark information of processor fault to restore on service when fault is removed and connection is recovered .

The invention relates to a method and a device for optimizing an internal memory and belongs to the technical field of computers. The method comprises the following steps of when a newly-built process needs to be added into a control group, detecting whether a total value of resources occupied by all processes in the control group at current moment reaches a resource critical value; if the total value of the resources occupied by all the processes in the control group at the current moment reaches the resource critical value, adding the newly-built process into the control group which is not limited by a resource threshold value; swapping out the resources occupied by idle processes in the control group, so that the total value of the resources occupied by all the processes in the control group is smaller than the resource threshold value. According to the method and the device, the problem of influence on the running speed of a terminal caused by longer delay of the executed swapping-out operation when the terminal adds the newly-built process to the control group while executing the swapping-out operation is solved, and the effect of reducing the operation delay during the compression of the internal memory is achieved.

The invention belongs to the field of wireless communication, and discloses an LMS algorithm processing time-delay sensitive based delayed decision feedback equalization method and system. The systemapplies a variable step LMS algorithm based decision feedback equalizer to the receiving processing of a disturbed signal. As a wireless communication channel exists a time-varying property, the convergence speed of LMS needs to be further accelerated to make the equalizer track channel changes better and in real time. The variable step LMS algorithm adopts a larger iterative step to accelerate the convergence speed during an initial working phase, and adopts a smaller iterative step to reduce steady-state error during a convergence phase, so that an original signal can be effectively recovered. The method and system have advantages of fast in convergence speed, less in steady-state error, little in processing time-delay and easy for realization.

The invention provides a method, a system and a device for remotely waking up a vehicle. The method comprises the following steps that based on connection of a bidirectional authentication data channel based on a TCP protocol between a temporary client and a remote server, which is established when a vehicle enters dormancy, the temporary client receives a remote control instruction transmitted bythe remote server; the temporary client confirms that the received remote control instruction is valid and awakens a gateway of the dormant vehicle; based on active connection of the awakened gatewayto the temporary client, the temporary client sends the remote control instruction to the gateway so as to analyze the control instruction and execute the control instruction. The method is advantaged in that a bidirectional authentication encrypted data channel established by the temporary client during dormancy and a vehicle gateway are used for secondary authentication, data interception is effectively prevented, connection still exists in the dormancy period, and therefore vehicle remote control safety is guaranteed, vehicle remote control efficiency is improved, the remote awakening delay is reduced, the awakening speed is increased, awakening object accuracy is guaranteed, and user experience is improved.

The invention provides an infrared remote control method. The infrared remote control method comprises the following steps that S1, a remote control device sends control information to a control center; S2, the control center receives the control information, converts the control information into infrared coded information and sends the infrared coded information to a forwarding device; S3, the forwarding device receives the infrared coded information, extracts an infrared code command and sends the infrared code command to a controlled device; and S4, the controlled device receives and executes the infrared code command. According to the invention, low-power protocols and the infrared forwarding device are combined, and the control center is employed to overcome the problem of incapable of matching with household electrical appliances due to insufficient computing power of the forwarding device.

The invention discloses a map road data storage method and device and a positioning point matching method and device. The method comprises the steps: cutting a road into a plurality of road sections according to tiles where the road is located, wherein each road section is located in a corresponding tile geographic range; according to the original road data of the road, obtaining data of each roadsection, wherein the road section data comprises starting and ending points and attribute information of the road section; storing map data by taking tiles as units, wherein the map data of each tilecomprises road segment data of each road in the geographical range of the tile. According to the invention, the organization and storage granularity of the road data can be finer, the data downloading amount in the application process is reduced, and the operation delay caused by data downloading is reduced.

The invention discloses an LDPC decoding method suitable for an NAND flash memory. The method comprises the steps of introducing a new judgment variable En, and obtaining performance superior to thatof a bit flipping algorithm on the basis of not significantly increasing the calculation amount. For a circuit of the NAND flash memory, a new error correction algorithm has the following advantages that the logic complexity is low, and a programming circuit is simple; real number operation is only needed instead of floating point operation or multiplication and division operation, and the operation power consumption is small; the new error correction algorithm is suitable for a parallel structure, and the operation time delay is low; the flipping threshold value is adjustable, and by adjusting the threshold value, the dynamic balance of time delay and error correction performance can be achieved.

The invention relates to the technical field of Internet of Vehicles and electronic stop boards, and discloses a bus stop information release system and method based on the Internet of Vehicles, the system comprising: an electronic stop board used for collecting passenger information and receiving and releasing information fed back by a bus central processing center; the bus vehicle-mounted equipment which is used for collecting driving information of a bus and receiving and publishing information fed back by the bus central processing center; the bus central processing center which is used for obtaining the distance between the bus and the electronic stop board, the berth information, the estimated arrival time of the bus and the estimated stop time according to the information of the passengers and the driving information of the bus; the bus stop information publishing system and method based on the Internet of Vehicles enable the bus operation efficiency to be more efficient.

The embodiment of the invention provides a method and a device for synchronizing a database. The method for synchronizing the database comprises the following steps of reading a user instruction inputted by a user; sending the user instruction to a main database to execute; reading the return result after the main database executes the user instruction; forwarding the return result of the main database to the user. The method and the device for synchronizing the database provided by the embodiment have the advantage that the delay of synchronizing of the database is obviously reduced.

The invention discloses a knife switch control loop monitoring detection method and system. The method comprises the steps of: detecting and judging whether a knife switch control loop is powered offor not, monitoring the on-off state of the knife switch opening and closing loop if the knife switch control loop is in a power-on state, judging whether the opening and closing loop is switched on ornot, and outputting a state indication if the opening and closing loop meets an opening and closing operation condition; and if the knife switch control loop is in the power-off state, detecting theon-off state of the knife switch control loop, judging whether each section of the opening and closing control loop that should be on is in an on state or not, judging whether the section which shouldnot be on is in an off state or not, and outputting a state indication. By adopting the method provided by the invention, the opening and closing loop state of the knife switch control loop can be monitored, loop faults can be found before knife switch operation, and a knife switch also has a loop disconnection monitoring function at the same level as that of a switch; knife switch control loop fault detection can be realized when a problem occurs, and a loop fault section can be quickly positioned, so that operation delay is reduced.

A high efficient valve assembly of a compressor has a valve plate having more than one discharging valve; a discharging valve for opening and closing the discharging valve, one end of the discharging valve is settled at the valve plate between the valve plate and a cylinder head; a stopper for controlling the discharging valve to be placed at a right position, both ends of the stopper are settled at the valve plate at an upper part of the discharging valve; a rivet for settling the discharging valve and the stopper at the valve plate; and settlement units for positioning the discharging valve at the valve plate at the right position and supporting the discharging valve. According to the present invention, the high efficient valve assembly has the discharging settlement units capable of settling the discharging valve of which only one end is supported and supporting the discharging valve, thus the assemble of the valve assembly can be easily done. Furthermore, the position of the discharging valve is not changed afterwards, and power is less consumed since the operation delay of the discharging valve is minimized.

The invention discloses a method for filtering a high-speed sampling signal in real time based on a digital signal processor (DSP). The method comprises the following steps of: partitioning data of a frame of high-speed sampling signal for the first time; storing the data which are partitioned for the first time into a ping-pong buffer, re-partitioning the data in the ping-pong buffer to obtain data micro elements, and sequentially filtering the data micro elements; by taking a final state of each of the filtered data micro elements as an initial state of the next data micro element during filtration, continuously outputting the filtered data micro elements; and according to group delay, generating a string of zero values after all data micro elements are filtered, and outputting trailing data. The invention also discloses a device for filtering the high-speed sampling signal in real time. By the embodiment of the invention, the memory usage amount of the DSP can be reduced, computation amount is reduced, and operation delay is shortened.

The invention provides a data weighted averaging circuit, which comprises a table lookup unit and a storage unit. By adopting the mode of the table lookup, the operating speed can be largely increased and the operating delay can't be affected by the degree of the data weighted averaging circuit and the different bit widths of input data.

The embodiment of the invention discloses a pseudo-random sequence generation method, a pseudo-random sequence generation device and a computer readable storage medium, which are used for skipping useless sequences corresponding to RGB in a BWP and shortening operation delay. Useful pseudo-random sequence values can be output in continuous clock periods, a large-scale buffer does not need to storeall sequences, computing resources are saved, and delay is shortened. The method provided by the embodiment of the invention comprises the following steps: acquiring sequence states of a first m sequence and a second m sequence; obtaining the useful RGB distribution information of the first m sequence and the second m sequence; and calculating a pseudo-random sequence vector according to the distribution information of the useful RGB and the sequence state.

The invention discloses a data input method, a data conversion method and a data conversion device. A discrete Fourier transform calculation method comprises the following steps of: determining a sampling point number of discrete Fourier transform; decomposing the sampling point number based on a prime factor algorithm; and writing the input data of which the number is equal to the sampling point number into the memory, wherein the memory address of the input data comprises the memory block identifier and the relative memory address. According to the technical scheme, address conflicts during data input can be avoided, and the concurrency of operation can be increased, so that the processing time is remarkably shortened, and the operation time delay is reduced.

The invention relates to an image filtering method and a device. The method comprises the following steps: acquiring the old serial number of the first image, the old serial number of the second image, the remaining area of the image and the new area of the image; acquiring a final sequence number corresponding to each image block of the remaining area of the image and a new sequence number corresponding to each image block of the new area of the image in the second template; and outputting data of the image block corresponding to the intermediate value sequence number. When the method is applied to the parallel operation, the operation can be completed in only one clock cycle, the operation delay is reduced, the image filtering efficiency is improved, the real-time filtering processing ofthe image is facilitated, and the real-time performance is high. In addition to obtain data with median sequence number, other sequence number data are also indirectly obtained, which improves the application range of the invention and has wide application range.

The invention discloses an injection pump multi-path perfusion control method and device, an injection pump and a storage medium. The method comprises the steps: controlling the injection pump to open at least one perfusion channel when an ablation task is triggered, so as to execute the perfusion operation through the opened perfusion channel according to a preset initial flow speed; acquiring temperatures of a plurality of parts of an ablation object in real time through a plurality of temperature acquisition devices; and controlling the injection pump to open or close part or all of perfusion channels according to the real-time change of the temperatures of the plurality of parts, and / or controlling the injection pump to adjust the flow rate of part or all of the perfusion channels. According to the method, the timeliness, accuracy and pertinence of liquid perfusion in the ablation task execution process can be improved while operation delay and errors caused by manual judgment are reduced.

The invention discloses an extensible makeup language management request method. The method comprises the procedure that a client sends a document management processing request carrying an operation instruction for processing of a plurality of documents or a plurality of nodes of a document to a server which after the determination of the document management processing request, obtain the corresponding document management processing information and carries out corresponding document management processing operation. The invention also provides an extensible makeup language document management method, an extensible makeup language document client, an extensible makeup language document management server and an extensible makeup language document management system. The client of the proposalof the invention needs only one signaling to carry out the batch processing of a plurality of documents or a plurality of nodes of a document, thereby reducing the time delay for operation, improvingoperation efficiency and the reliability of data operation.

A method and device for image rendering, the method includes the steps of: creating at least two frame buffer objects; creating an image rendering thread, rendering image data to the frame buffer object; creating a swap thread, storing the back buffer The image data is exchanged to the front buffer, and the rendered image data is copied from the framebuffer object to the back buffer. In the above image rendering method and device, the image rendering thread and the swap thread belong to different threads and can be executed concurrently. The blocking of the Swap buffer of the swap thread will not affect the image rendering of the image rendering thread, so the frame rate of image rendering can be guaranteed. At the same time, since the image rendering thread is not blocked, it can respond to the user's operation as quickly as possible, so the operation delay can be reduced.

The invention discloses an Internet of Things three-phase asynchronous motor monitoring control device and a monitoring control method thereof, and the device comprises an MCU, a current sampling module, a voltage sampling module, a metering module, a wireless communication module, and a switch module. The current sampling module and the voltage sampling module are both connected with the metering module, the metering module, the wireless communication module and the switch module are all connected with the MCU, the switch module is used for driving the low-voltage direct-current relay, the low-voltage direct-current relay is used for controlling the alternating-current contactor, the alternating-current contactor is used for controlling the motor, and the wireless communication module is used for communicating with a cloud platform. According to the method, various faults occurring in the operation process of various motors can be quickly and accurately recognized, the alternating current contactor is automatically controlled to cut off the load in an abnormal state, information is reported in real time, and a user is reminded to take corresponding measures.

The embodiment of the invention provides a method, equipment and device for processing point discrete Fourier transform with the basis being 12 times, and a storage medium. The method comprises the following steps: decomposing 12 multiple points based on a prime factor algorithm so as to obtain a first decomposition formula and a second decomposition formula based on a plurality of coefficients; (m + 1) rounds of operation are carried out with the number of available values of the coefficients n0 to nm as a small point number base, in each round of operation, small point number base discrete Fourier transform is carried out to obtain a calculation result, and the value of each coefficient meets a first decomposition formula; the calculation result serves as output data in each round and is stored in a storage address of a storage device, and the storage address comprises a storage block number and a relative storage address; and obtaining final output data of discrete Fourier transform based on the second decomposition formula. According to the technical scheme provided by the embodiment of the invention, the complexity of realizing discrete Fourier transform can be greatly reduced, and the consumption of calculation and storage resources is remarkably reduced.