39results about How to "Solve the delay" patented technology

The invention provides a video monitoring data storage access system, which comprises a front-end acquisition system for acquiring image data containing pedestrians; a pedestrian recognition system used for recognizing pedestrian characteristics in the image data; an object storage system used for storing image data of pedestrians and pedestrian characteristics; a business application system connected with the object storage system and used for obtaining specified pedestrian information and a CDN by sending a request containing pedestrian characteristics to the object storage system, wherein the CDN comprises a plurality of edge nodes for receiving a user access request, so that specified pedestrian information required by a user is called from the object storage system and responds to theuser through the edge node closest to the user. The video monitoring data storage access system disclosed by the invention can support data storage and random expansion, and the phenomena of laggingand delay in a transmission process of image-text data sent to a user is solved.

The invention provides an implementation method of a hybrid routing protocol based on a time pulse source, belongs to the technical field of communication, and mainly solves the problem of how to balance network routing overhead and delay overhead and provide a high-capacity, low-delay and high-dynamic ad hoc network routing protocol for a system. According to the scheme, a routing protocol actively and periodically broadcasts pulse messages through pulse nodes to complete establishment and maintenance of a path tree, and when non-pulse nodes have data requirements, path establishment, maintenance and path optimization are completed along the path tree according to needs. The method has the advantages that the problems that the overhead is large and the method is not suitable for large-scale nodes due to the fact that the active routing protocol and the passive routing protocol adopt a flooding mode to carry out path discovery and path maintenance are better solved, the problem that the end-to-end delay of the passive routing protocol is large is solved, and the scheme is more suitable for the conditions that the network extension structure is rapidly changed and the network node scale is large.

The invention provides a method for predicting billet temperature distribution in a heating furnace based on a particle swarm optimization algorithm, which comprises the following steps of: establishing a one-dimensional unsteady-state heat conduction differential equation for representing a billet temperature distribution model in the heating furnace, and determining initial conditions and boundary conditions of the one-dimensional unsteady-state heat conduction differential equation; replacing a particle value in the particle swarm optimization algorithm with a random initial value of a boundary condition, and solving the one-dimensional unsteady state heat conduction differential equation to obtain a solving temperature value; taking a mean square error between a solved temperature value and a temperature measurement value as an objective function of a heat conduction inverse problem, taking the mean square error as a fitness value, returning the fitness value to a particle swarm optimization algorithm, sequentially carrying out inversion on boundary conditions according to a time sequence, and updating the boundary conditions based on the inversion; and calculating a heat conduction positive problem by using the updated boundary conditions, and outputting temperature values at specified moments and specified positions. The method can better solve the damping and delay problems of the unsteady state heat conduction differential equation, and is more suitable for solving the unsteady state heat conduction problem.

The invention provides a player channel switching optimization method and system, a storage medium and a player. The player channel switching optimization method comprises the following steps: creating a single player object; calling a preset video stream parameter setting function to set parameter information of the video stream; and when it is analyzed that the first frame played by the video stream is an instant decoding refresh frame, outputting a starting instruction for starting a player so as to start the player to play the video stream. According to the player channel switching optimization method, the player channel switching optimization system, the storage medium and the player, the problem of delay frequently occurring when the player switches channels is solved, playing of anHLS video stream is obviously improved, a user does not have the delay feeling when switching the channels, and the use degree of the user is improved.

An embodiment of the present invention provides a neural network operator that performs a plurality of processes for each of a plurality of layers of a neural network, including: a memory that includes a data-storing space storing a plurality of data for performing the plurality of processes and a synapse code-storing space storing a plurality of descriptors with respect to the plurality of processes; a memory-transmitting processor that obtains the plurality of descriptors and transmits the plurality of data to the neural network operator based on the plurality of descriptors; an embedded instruction processor that obtains the plurality of descriptors from the memory-transmitting processor, transmits a first data set in a first descriptor to the neural network operator based on the first descriptor corresponding to the first process among the plurality of processes, reads a second descriptor corresponding to a second process, which is a next operation of the first process, based on the first descriptor, and controls the memory-transmitting processor to transmit second data corresponding to the second descriptor to the neural network operator based on the second descriptor; and a synapse code generator that generates the plurality of descriptors, and thus it is possible to operate the neural network operator at high speed without interference of other devices, and it is possible to reduce the memory-storing space for the descriptors.

The invention belongs to the technical field of big data systems, and particularly relates to a method and device for monitoring a state of a big data system, and the method comprises the following steps: 1, enabling a system to access big data, and collecting data information; 2, splitting the collected data information according to time points; 3, performing time point comparison according to the split data; 4, performing data correction on the compared information; 5, combining the corrected data, and then performing data delay elimination; and step 6, outputting the data of which the delayis eliminated to a system state monitoring system. Data splitting is carried out on collected data system state information; the split data are compared and corrected, and then the corrected data aresubstituted into the current time point to be synchronized and then output to the system state monitoring system, so that the delay effect of system state monitoring under big data is effectively solved, and loss caused by data updating errors is prevented.

The invention discloses a test method for the anti-theft system of a battery electric vehicle and belongs to the field of battery electric vehicle testing. The test method is executed by a testing device carrying a vehicle control unit. The test method comprises the following steps that: an anti-theft message sent by the vehicle control unit is received; verification operation is performed on theanti-theft message according to a preset anti-theft verification algorithm, so that a corresponding verification message is obtained; and message feedback is executed after delay compensation is performed, and the delay compensation is matched with the operation time consumption of the verification operation, the message feedback involves feeding back the verification message to the vehicle control unit. The embodiments of the invention provide a test device of the anti-theft system of the battery electric vehicle and a storage medium. With the test method and the test device adopted, the testefficiency of the test of the anti-theft system of the battery electric vehicle can be effectively improved, the false alarm rate of the test is reduced, and the credibility of a test result is improved.

The invention relates to a hospital fan coil temperature trend judgment control method and device. The method comprises the steps that a first air temperature of a waiting area at a first time point is collected; when the first air temperature meets a first preset condition, a second air temperature of the waiting area at a second time point is collected; and when the second air temperature meets a second preset condition, a control signal is output to control an actuator so that the actuator can execute a corresponding function. According to the hospital fan coil temperature trend judgment control method and device, the state of the actuator can be controlled in advance by judging the temperature change trend of the waiting area of a fan coil in advance so that the flow of chilled water of the fan coil can be changed, and therefore the fluctuation of the air temperature change in an air conditioner area of the fan coil is reduced, the indoor thermal comfort can be guaranteed, frequent on-off of the executor can also be avoided, and the delay problem of an air conditioner when the whole air supplying cold amount changes is solved.

The present invention provides an emergency detection method, device and EPG server for an IPTV system, wherein the method includes: sending a detection message to the EPG server in the IPTV system; receiving a response message returned by the EPG server, wherein, The response message includes the status identifier of the IPTV system; according to the status identifier carried in the response message, it is judged whether to notify the EPG server to switch the status of the IPTV system to the emergency status. The invention solves the problem of delay caused by manual intervention in detection when the service management system is abnormal in the related art, thereby improving the efficiency of system abnormal detection, improving the robustness of the system, and improving user experience.

The invention provides an implementation method of a hybrid routing protocol based on a time pulse source, which belongs to the field of communication technology, how to balance network routing overhead and delay overhead, and provide a large-capacity, low-latency, and highly dynamic ad hoc network routing for the system The protocol is the main problem to be solved by the present invention, and the scheme includes: the routing protocol completes the establishment and maintenance of the path tree through the active and periodic broadcast of the pulse message by the pulse node, and completes the path establishment, maintenance and path optimization along the path tree when the non-pulse node has data requirements . Beneficial effects of the present invention: it better solves the problem that active and passive routing protocols use flooding for path discovery and path maintenance, which is not suitable for large-scale nodes, and solves the problem of large end-to-end delay in passive routing protocols problem, this solution is more suitable for situations where the network topology changes rapidly and the scale of network nodes is large.

The invention discloses a test method for a pure electric vehicle anti-theft system, which relates to the field of pure electric vehicle testing and is carried out by a test device equipped with a vehicle controller. The method includes the steps of: receiving an anti-theft alarm sent by the vehicle controller text; according to the preset anti-theft verification algorithm, perform a verification operation on the anti-theft message to obtain a corresponding verification message; perform message feedback after delay compensation; wherein, the delay compensation and The operation time consumption of the verification operation matches; the message feedback includes feeding back the verification message to the vehicle controller. The embodiment of the present invention also provides a test device and a storage medium for a pure electric vehicle anti-theft system, which can effectively improve the test efficiency of the pure electric vehicle anti-theft system, reduce the false alarm rate of the test, and improve the reliability of the test results.