208 results about "Definite time" patented technology

An aerial vehicle finite-time adaptive attitude control method based on an improved power reaching law aims at a problem of aerial vehicle attitude stabilization with concentrated uncertainty. A sliding mode control method based on the improved power reaching law is utilized, and furthermore through adaptive controlling, the aerial vehicle finite-time adaptive attitude control method based on the improved power reaching law is designed. A terminal sliding mode surface is designed for ensuring definite-time convergence of a system. Furthermore through the improved power reaching law, a buffeting problem is reduced in an actual control system. Furthermore the adaptive controlling is used for a feedback control system which intelligently adjusts a self characteristic according to the environment change so that the system can operate in an optimal state according to some preset standards. The invention provides the control method which can reduce the buffeting problem of the sliding mode surface and a control torque and furthermore realizes uniform ultimate boundedness of finite time of the system on the condition that uncertainty and interference exist in the system.

The invention discloses a method for realizing media distribution and positioning by sub-chip storage and a streaming media system thereof, a central node inputs time tag information in original code streams at definite time; the code streams with the same channel identifiers and the time tag information are named and constitute sub-chip files for carrying out the sub-chip storage; the sub-chip files are distributed to various edge nodes from the central node; the node which a user belongs to is positioned to the sub-chip file during the sub-chip storage according to a signaling; and a plurality of sub-chip files is smoothly switched by using the time tag information. As the time tag is input in the direct broadcast code streams at definite time and the sub-chip files are named by combining a channel identifier, the invention realizes the uniform storage of the sub-chip files during the creation of a direct broadcast channel; additionally, the invention adopts the seamless splicing of the adjacent sub-chip files of the time tag, thereby achieving the uniform storage of time-shifted television businesses and television program on-demand businesses, greatly reducing the requirements of the whole system on storage space and storage resources and improving the reliability and the stability of the service of the streaming media system.

A liquid crystal display device comprising a including signal correcting means correction for correcting a level of an original image signal to a level with which transmittance in a steady state of the pixel with the original image signal is attained within one frame period, a horizontal driving means for driver applying a voltage in correspondence with the corrected image signal to a liquid crystal material, and an illumination device for illuminating the display panel with a plurality of light emitting regions thereof, said the light emitting regions sequentially turns turning on and off in synchronization with the application of the corrected image signal, while holding a definite time delay thereto.

This invention provides a handheld anti-stolen device including: fetch module, comparison module, cipher and inform modules. This invention also provides a handheld anti-stolen method firstly, to fetch the identification code of SIm and a predesigned correct anti-stolen cipher and fetch the identification code stored in a handheld last time, then to compare the two codes, if they are different, then to ask for inputting the predesigned correct anti-stolen code and examine if the cipher has been input in a definite time or correct then to start an anti-stolen program, if it's wrong or input not in definite time.

The invention provides a self-loop detection method and a self-loop detection device which are used for an access network. The method comprises the following steps: a self-loop detection message provided with authentication domain fields is transmitted in definite time; judgment is made whether a received message is a self-loop detection message; an authentication domain field carried by the message and an MAC address of the message are extracted; moreover, if judgment is made that the authentication domain field carried by the message is the same with a second authentication domain field of the self-loop detection message, self-loop exception of the access network is determined. The invention can detect various self-loop conditions in the access network.

Based on surplus energy of battery, each node sets up timer in selfadaption. When definite time is reached, node becomes 'head of cluster' automatically and broadcasts message, and adjacent nodes adds to the cluster selectively, becoming 'general node'. When time of forming maximal cluster is reached, all nodes of not choosing own role become 'head of cluster' automatically. Thus, entire network is divided into 'head of cluster' and 'general node' so as to form hierarchical management system. Using surplus energy of battery at node, the invention balances load of system. Through correlation parameters of adjusting algorithm, the method guarantees even distributed head of cluster generated. Simulation result shows that number of forced communication between node and base station is reduced; service life of network is prolonged, and efficiency of energy consumption is raised.

The invention relates to a method for dynamically balancing received load under a network card binding state. The method aims at solving the problem of balance of received load when a network card is in the binding state. In the method, data flow received by each slave is needed to be counted, and the data flow is detected in definite time; when the received data flow is detected to be unbalanced, some clients is enabled to change mac addresses corresponding to server ip in arp cache in a mode of sending arp reply packages, and the data flow distribution from the clients to each network card of the server is changed so as to realize dynamic balance of received load. In the invention, ip package traffic received by each slave in bonding is counted and analyzed in the definite time, and arp reply packages are sent to the clients when the slave flow is not balanced so as to change the mac addresses corresponding to the server ip in the arp cache and realize dynamic balance of received flow of the network card bound on the server.

A digital video signal record and playback device for recording on a recording medium a digital video signal coded by using a motion compensation prediction and an orthogonal transform and playing back data from the recording medium. In a data arrangement of a digital video signal, an I picture which can be independently represented in a picture is divided into n areas in the vertical direction, and the data is arranged from the front of one GOP in the unit of area by giving a priority to an area located at the center of the screen. A playback picture is outputted by playing back the I picture read from the recording medium in the unit of area unit. In the case where the whole I picture area cannot be read within a definite time, the area which cannot be read are interpolated by the use of the data of the preceding screen.

The invention provides an information management system and a server. For the purpose of effectively supervising a user of the health indexes that cannot always be measured, such as the weight and blood pressure, warning and information are provided based on a prediction of the health indexes. The information management system, in which a first parameter that is not always measured is predicted from a second always measurable parameter, comprises a first measurement segment for measuring the first measurable parameter according to a first definite time, a second measurement segment for measuring the first measurable parameter according to a second definite time, a data storage segment for storing the values of the measured first measurable parameter and the measured second measurable parameter, a predictive formula generating segment for generating a predictive formula for calculating the predicted value of the first measurable parameter according to the values of the first measurable parameter and the second measurable parameter stored in the data storage segment, and a predicted value calculating segment for calculating the predicted value of the first measurable parameter according to the generated predictive formula and the second measurable parameter. The predictive formula generating segment generates the predictive formula at the definite time.

The invention discloses a conveyer capable of quantitatively and automatically feeding materials at definite time, which comprises a stand, a conveying belt and a control device, wherein the conveying belt is driven by a main motor and is arranged obliquely; a fixed hopper is arranged above the feed end of the conveying belt; a rotary hopper is arranged below the discharge end of the conveying belt; the rotary hopper is arranged on a weighing mechanism; the control device is connected with the main motor, the rotary hopper and the weighing mechanism; and the control device controls the working states of the conveying belt and the rotary hopper according to the set working procedure. The invention effectively solves the problem that the traditional tea conveying device only can be used for continuously conveying tea but does not have a function of quantitatively conveying tea at definite time. The conveyer of the invention can be used for quantitatively feeding materials for tea production lines at definite time, is suitable for whole tea production processes, effectively improves the degree of automation of tea production, improves the production efficiency and has obvious economic benefit.

The invention discloses a method for achieving fixed point multimedia advertising play through GPS positioning and a GPRS network. The method comprises the following steps: uniformly releasing and controlling advertisings through a sending terminal in a media center; downloading video programs instantaneously or in advance through the GPRS network by utilizing a transmission server and storing the advertisings in a movable device; and then playing specific programs in different times or spaces through the movable device by utilizing GPS positioning information. By adopting the method, the fixed point multimedia advertising play can be updated immediately, have various manners, and can be conducted in definite time and position according to the demands of customers.

This invention discloses a hail-fellow recommendation system in SNS network including a user database at the server end, a data display unit at the customer end, a temporary user information library, a first timing unit, a data-obtaining unit and a second timing unit, in which, the second timing unit is used in sending signals to the data obtaining unit in definite time intervals, a data obtaining unit used in getting user information from the user information library when receiving signals from the second timing unit and storing it into the temporary information library.

The invention relates to a method for switching servers of a SIP (Session Initiation Protocol) communication terminal, which comprises the steps of: a, transmitting registration information to the SIP servers by a switching device; b, starting different timers for switching the servers by the switching device according to the number of the configured SIP servers and the registration condition of current servers; c, starting the procedure of switching the servers when the failure response of the servers is received by the switching device; d, starting the procedure of switching the servers when logout fails or an error response is received; e, returning to transmit the registration information to the SIP servers after waiting for registration refreshing time if the information of a characteristic code of 2000K is received by the switching device; f, registering again when any non-registration affairs fail; and g, transmitting heartbeat information in definite time by the switching device so as to detect whether the servers fail or not. The method solves the problem of error switching caused by abnormal conditions of networks, and can correct the error switching in time and enable VOIP (Voice over Internet Protocol) services to be in a usable state all the time.

The invention relates to a method and a device for carrying out calibration and timing of an electric meter, in particular to the method which carries out the timing of the electric meter on the basis of the GPS technology and the device thereof. The method which carries out the timing of the electric meter on the basis of the GPS technology comprises the following steps of: a. using the GPS to obtain the current time information; b. calibrating the current time at the definite time; c. carrying out the timing of the electric meter by a broadcast communication mode. The invention further discloses the device for carrying out the timing of the electric meter on the basis of the GPS technology, comprising a GPS receiving module, an MCU module and a broadcast communication module. The method and the device can ensure the accuracy of a clock of the electric meter and prevent the time and the date from being forged and modified illegally. At the same time, the method and the device are characterized by simple structure, convenient implementation and low cost.

The invention discloses a method for customizing front end video recording in a video monitor system and a device thereof. The method comprises a process of setting the front end video recording at client and a processing process of the video monitor system on the front end video recording. The device comprises a unified management platform of a user monitor system, a registration server module and a content distributing network module, wherein the unified management platform of the user monitor system is used for setting a video recording schedule and issuing a video recording task set in the video recording schedule; the registration server module is used for scanning a work distribution chart in definite time, and interacting with the content distributing network module through a message response mode; and the content distributing network module is used for initializing a video recording process, and interacting with the registration server module through the message response mode. The method and the device can set different templates according to different user requirements so as to meet the requirements of different types of users, have flexible and convenient operation, shorten operation time of the user, and effectively partition the video monitor system so as to improve function expansibility and maintainability of the video monitor system.

The invention provides a novel method for preparing an A-type molecular sieve membrane, which adopts preparation of the molecular sieve membrane in a flow system. The method comprises the following steps: a silicon source, an aluminum source, an alkali source and deionized water are prepared into precursor sol of A-type molecular sieve according to certain proportion first; a vector membrane tube which is precoated with A-type molecular sieve crystal seeds is fixed inside a synthesis reactor; the molecular sieve precursor sol which is heated to a given temperature is conveyed into the synthesis reactor through a slurry pump, and the precursor sol is driven to flow and circulate on the surface of an outer membrane of the vector membrane tube; and the A-type molecular sieve membrane can be obtained after flowing, circulating and crystallization for a definite time at the given temperature. The preparation method provided by the invention has the advantages that the preparation method can basically solve the problem of concentration gradient during the synthetic process of he molecular sieve, is favorable to the preparation of the uniform, continuous and compact molecular sieve membrane with superior separation performance, and is particularly suitable for preparing the molecular sieve membrane for industrial application.

The invention discloses a synchronous control processing method and a system thereof belonging to the synchronous control field of a remote-controlled explosion and shaking system. The method comprises a main control machine and a remote machine which utilize GPS time signals to achieve the time synchronization and accurately adjust clocks of the main control machine and the remote machine. A communication link is built through information exchange, the main control machine transmits signals of detonation time to the remote machine, and the remote machine receives the signals of detonation time and then checks the state of detonation equipment, and detonates a detonator according to the state of the detonation equipment. The system includes: a main control machine and a remote machine. The invention can accurately detonate the detonator in a definite time and accomplish the control to synchronous acquisition of seismic data signals. Meanwhile, signal transmission errors between the main control machine and the remote machine can also be effectively controlled through a feedback mechanism. The high-reliable and high-precision synchronous control thereby can be realized.

The invention belongs to the communication technology field, in particular to an automatic reminding system and a method. The automatic reminding system comprises a database, a timing device, a retrieval and judgment module and a transmission module, wherein the database is used for storing reminding data; the timing device is used for setting a time granularity and notifying the retrieval and judgment module to retrieve the database when the time granularity comes; the retrieval and judgment module is used for retrieving the reminding data in the database at a definite time and judging whether reminding data exist in the database, if so, judging whether the reminding data meet the reminding conditions, and if so, transmitting the reminding data to the transmission module; and the transmission module is used for acquiring the corresponding reminding data in the database so as to generate a reminding file and finish transmission. By using the automatic reminding system and the method, data to be reminded can be stored in the preset database according to a preset format, and the reminding data can be scanned at a definite time, so that the corresponding reminding file can be automatically transmitted at the preset reminding time, thereby enabling work to be handled in time.

This invention provides a method for protecting ether loop circuit redundancy avoiding network storm resulted from loop circuit to make the topology converge quickly. A master device receives its sent ether loop circuit detection control message correctly in definite time to determine the existence of the redundancy, if it exists, the master device blocks the required protected VLAN message. The method checks the break of the ether circuit with devices on the circuit and sends control message about the break, the master device removes the data message block when receiving the control message of the break .This invention can detect the topology variance quickly and process the packet blocking.

The invention discloses a method for transmitting distress signals by using a mobile terminal and the mobile terminal. The method includes the following steps: the mobile terminal is switched into a power down mode from a normal working condition; the mobile terminal is awaken from the power down mode at a definite time, and transmits distress short messages including the position information of the mobile terminal to a preset number. The distress signals can be transmitted by the method for transmitting distress signals and the mobile terminal in the invention, thereby being capable of saving electrical power, increasing the persistence of the distress signals, attracting rescues as much as possible, and competing in changes of survival for the user.

The invention discloses a method and a system for updating multiple devices. The method comprises the following steps of: updating a target device connected with a root updating source by the root updating source; acquiring version information of a device connected with another target device in definite time by the other target device, and judging whether updating is required; and requesting to update a file to a corresponding new version device for updating when updating is required. According to the embodiment of the invention, the device is simultaneously combined with active updating and passive updating, and the new version device can provide updating service for an old version device, so that quick updating of all devices is realized, and automatic updating can be realized after an off-line device or a newly added device is on line.

The invention relates to a method to definite-time list item process in communication device. It uses time label counter parameter when taking definite-time process to the item on list. Thus, the precision of definite-time process is improved. Moreover, it can adjust the precision by adjusting the number of counter of the time label. The invention could satisfy the request of precision of different people. And it is especially suited for ageing treatment for communication device. For example, the invention is used to take ageing treatment for MAC address list, even if the ageing refresh granularity precision request of MAC address is not very high during process, the maximum error may caused is only half of threshold value of ageing time, when the width of the chosen time label is one.

Said method includes 1, dividing semiconductor processing into real time recording data and state monitoring data.2, actively transmitting real time recording data and PMC and / or TMC to CTC at stated time intervals in technology treating processes, or actively querying to PMC and / or TMC at definite-time by CTC. 3, to technology data only meaning equipment momentary state and used for CTC judging setting system working, CTC querying to PMC and / or TMC as in need. When CTC is in no request, PMC or TMC do not transmit these data information to CTC, the network transmission data quantity is greatly reduced, thereby reducing network transmission load and raising network transmission rate.

This invention discloses a method for emitting and receiving signals based on time duplex in radio communication system setting multiple antennas at sides of a base station and mobile station. All antennas of the basic station emit pilot signals in definite time periods, the mobile station measures all received pilot signals from its own different receiving antennas, selecting one or more as the up-line emitting antenna, and selecting one or more of the basic station as the emitting antenna and inform the basic station emitting signals to the mobile station according to the inform of mobile station and the selected antenna in the period of down stream emitting.

The invention relates to a four-dimensional cinema synchronous play method based on Ethernet. The basic idea of the invention is as follows: in a system formed by a controller and two players, playing windows of the two players respectively correspond to the content of a left path and a right path; the controller terminal sends inquiring and control instruction to the two players in definite time; after receiving the inquiring and control instruction, the two players sample the current playing position information and send the current playing position information to the controller terminal; the controller judges the playing position of the players according to the received information, coordinates the playing behavior of the two playing windows of the players so as to form a closed-loop feedback structure. The invention adopts a RJ41 Ethernet card interface, takes a twisted-pair as the connection of a link and uses the Ethernet to transmit instruction, thereby realizing timely and accurate synchronous control.

The invention discloses a method and a system for dynamically distributing network traffic, and relates to the field of internet, which are used for solving the problem that the prior art cannot avoid bandwidth waste or congestion phenomenon under the condition of the dynamic change of network bandwidth. The method comprises the following steps of: monitoring gateway exit bandwidth at definite time to acquire the current bandwidth data; calculating the traffic of each traffic use unit, which can be distributed from the current bandwidth, according to a traffic distribution strategy and a traffic redistribution algorithm; and redistributing the traffic for each traffic use unit according to the calculating result. The system comprises a monitoring module, a calculating module and a redistributing module. A mechanism for monitoring the gateway exit bandwidth at definite time exists; the traffic of each traffic use unit, which can be distributed from the current bandwidth, can be calculated according to the traffic distribution strategy and the traffic redistribution algorithm; then the traffic redistribution is performed; and therefore, the method and the system have the advantages of realizing the dynamic distribution of the network traffic, effectively and reasonably utilizing the bandwidth and avoiding the bandwidth waste or congestion phenomenon.

The invention discloses a buffer management method which comprises the following steps: when a buffer address is applied, the applied buffer address is marked as applied state; when cycle timing time which is determined according to maximum application time of the buffer address is reached each time by time keeping, the buffer address in the applied state is released. The invention also provides a buffer management system. By utilization of the invention, all applied buffer addresses can be initiatively released in definite time, and all the applied buffer addresses are guaranteed to be able to be withdrawn, thereby buffer leakage is reduced.

Systems and methods for estimating an efficiency of a catalyst placed in an exhaust path of a combustion engine are disclosed. In one example approach, a method comprises: ageing the catalyst consecutively at different temperatures for definite time periods; measuring the catalyst conversion efficiency after each ageing step; calculating the ageing factor for each step of the ageing procedure and the accumulative value of the ageing factors for all steps of the ageing procedure; estimating catalyst efficiency correlation factors related to the measured catalyst conversion efficiency for each temperature point and for all ageing conditions; determining a correlation between the catalyst efficiency correlation factors and the accumulative value of the ageing factors; and calculating the conversion efficiency of the aged catalyst based on a predetermined correlation between the accumulative ageing factor and the catalyst efficiency correlation factor.

This invention relates to a safety system of vehicle monitor information including a CPU and a camera unit, in which, said system also includes a local data access unit, the CPU gets the video information generated by the camera unit in definite time intervals to be edited and processed and stored in the local data access unit, which sets a read control program and refreshes the stored data in terms of the principle of FIFO, therefore, the information storage of this invented safety system does not rely on radio network only and always keeps the latest information as the proof.

The invention discloses a laser raindrop spectrograph capable of continuously and automatically observing, which is characterized in that laser array arranging method is utilized to continuously detect the size, the number and the speed of raindrops, and raindrop spectrum parameters of rainfall, rain intensity and the like are computed according to measured raindrop particle information. A control system comprising DSP (Digital Signal Processor) and a field programmable gate array FPGA is arranged, wherein the FPGA is responsible for completing the data acquisition of each pixel in a CCD (Charge Coupled Device) laser array, and parallel computing ability of the FPGA is shown and an image edge detection arithmetic is utilized to compute the size, the number and the speed of the raindrops; and the DSP analyzes and computes the raindrop spectrum parameters according to the information of the size, the number and the speed of the raindrops and uploads the raindrop spectrum parameters to an upper machine at definite time through a CAN (controller area network) bus.