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759 results about "Terminal time" patented technology

Method and apparatus for evaluating bids for scheduling a resource

A method for scheduling a resource for processing a workpiece includes defining a commitment window having a kernel specifying a time period required for processing the workpiece. A plurality of candidate bids having candidate commitment windows within the commitment window with varying start times, end times and candidate commitment window sizes is generated. A cost for each of the plurality of candidate bids is determined. A flexibility discount is applied to the cost of the candidate bid. Each candidate bid is evaluated in accordance with an objective function. A candidate bid is selected for scheduling the resource based on the objective function evaluation. A system includes a resource for processing a workpiece and at least one scheduling agent. The scheduling agent is configured to define a commitment window having a kernel specifying a time period required for processing the workpiece, generate a plurality of candidate bids having candidate commitment windows within the commitment window with varying start times, end times and candidate commitment window sizes, determine a cost for each of the plurality of candidate bids, apply a flexibility discount to the cost of the candidate bid, evaluate each candidate bid in accordance with an objective function, and select a candidate bid for scheduling the resource based on the objective function evaluation.
Owner:ADVANCED MICRO DEVICES INC

Sending and receiving processing method and device of V2X terminal time frequency synchronization

ActiveCN107046461ATime-Frequency Resource SupportSynchronisation arrangementAssess restrictionSource typeComputer science
The application provides a sending and receiving processing method and device of V2X terminal time frequency synchronization. The method comprises the following steps: when a to-be-sent synchronization signal is the same as a synchronization signal of the existing D2D terminal, sending the synchronization signal by reuse of the configured time frequency resource of the D2D terminal in a cell; when the sent synchronization signal is different from the synchronization signal of the existing D2D terminal, sending the synchronization signal by use of a reconfigured time frequency resource, wherein the corresponding synchronization source type is indicated by use of a SLLS sequence index and / or a value of a PSBCH specified domain in the synchronization signal sent by the V2X terminal. For the V2X terminal for receiving the synchronization signal, the synchronization source type is determined according to the received synchronization signal; furthermore, a reference synchronization source is selected on the basis of the fixed priority according to the detected synchronization source. According to the method provided by the application, the time frequency synchronization between the terminals in the V2X communication environment can be supported in small improvement cost aiming at the prior art.
Owner:BEIJING SAMSUNG TELECOM R&D CENT +1

Navigation method and navigation device of agricultural machinery as well as agricultural machinery

The invention provides a navigation method and a navigation device of agricultural machinery as well as agricultural machinery, wherein the navigation method of agricultural machinery comprises the following steps: acquiring positioning information comprising position coordinates, speed and course information of the agricultural machinery through more than one sensor; according to the two-wheel kinematics model of the agricultural machinery and the minimum time problem in the optimal control theory, acquiring the expected path information of the agricultural machinery by computing; designing a optimal controller of a path tracking according to the two-wheel kinematics model of the agricultural machinery and the design criteria on a terminal time unlimited regulator of a tracking problem; acquiring a path error according to the positioning information of the agricultural machinery and the expected path information; and acquiring path adjusting information according to the path error information and the path tracking optimal controller, and sending the path adjusting information to an automatic steering system. The embodiment of the invention also provides a navigation device of the agricultural machinery and the agricultural machinery provided with the navigation device. The method, the device and the equipment can improve the accuracy of navigation.
Owner:CHINA AGRI UNIV

Method for implementing auto making city rail train diagram

The invention relates to a method for realizing automatically compiling train working diagrams of the urban rail train, which comprises configuring basic parameters required by compilation, configuring ideal running intervals of each time period in one day, adjusting ranges of the time periods, determining starting time and terminal time of each running line, pre-connecting the running lines, regulating the starting point according to the number of rolling stock, compiling running lines of entering/exiting the garage of the train, and then diagramming a train working diagram. Compared with the prior art, the method has the advantages that, by regulating the time periods into integral multiple of the running intervals, the balance of diagramming transient running line of the peak hours and the non-peak hours is guaranteed, further, the compiling software is enabled to automatically diagram urban rail train working diagrams with balanced running intervals and capability of furthest meeting requirements of passenger flow in various time periods under restriction of conditions of the number of rolling stock, reentrant time, reentrant mode and the like, thereby significantly increasing the compiling efficiency of train working diagrams to be adaptable to requirements of train working diagram regulation along with variation of passenger flow, technical equipments and transport organizing methods.
Owner:CASCO SIGNAL

Method and system for easily cutting audio files and applied mobile handheld device

A method for easily cutting audio files is characterized by comprising the steps of selecting one sentence or a plurality of sentences of continuously lyric which is synchronously displayed with voice frequency data in the audio files when the audio files are played. Each sentence of lyric in the lyric respectively corresponds to a starting time point T1, an end time point T2 corresponding to each sentence of lyric is the starting time point of a next sentence of lyric connected with the each sentence of lyric. Time is extracted according to selected lyric, time extraction comprises extracting the starting time point T1 corresponding to the first sentence of the selected one sentence or the plurality of sentences of continuously lyric and the end time point T2 corresponding to the first sentence of the selected one sentence or the plurality of sentences of continuously lyric. Voice frequency data corresponding to the section from the T1 time point to the T2 time point is cut according to extracted time section. The cut voice frequency data are saved. When the method is used for cutting the audio files, only users only need select corresponding lyric to easily and accurately extract the voice frequency data corresponding to the lyric, cutting operation is convenient and fast, and accuracy has no deviation.
Owner:GUANGDONG BUBUGAO ELECTRONICS IND

Tool kit and method for optimizing high-precision self-adaptation and modular spacecraft trajectory multi-constrained track

The invention relates to the field of spacecraft trajectory tracks, and provides a tool kit and method for optimizing a high-precision self-adaptation and modular spacecraft trajectory multi-constrained track. By means of the tool kit and method, the problems that in a traditional method, unfixed terminal time is hard to solve, boundary values of two points can not be solved due to low precision, initial value sensitiveness is low and the scale of nonlinearity is large are solved. The tool kit comprises a simulation platform main interface, multiple optimization algorithm selections, performance optimization indexes, multiple constraint conditions and trajectory simulation. The method comprises the following steps of (1) registering curve plug-in, (2) compiling exe files and then getting access to the simulation platform main interface, (3) allocating an airplane mode and setting parameters, (4) optimizing variable initial values, performance index parameters and multiple constraint parameters of multiple optimization algorithms respectively, (5) carrying out simulation setting in a trajectory simulation sub module, (6) processing an optimization and simulation result of the spacecraft trajectory multi-constrained track. The tool kit and method are applied to the field of the spacecraft trajectory multi-constrained tracks.
Owner:HARBIN INST OF TECH

Collaborative analysis reentry guidance method considering multiple no-fly zone constraint

The invention relates to a collaborative analysis reentry guidance method considering multiple no-fly zone constraint, which comprises the steps of 1, describing a reentry guidance problem; 2, providing an analytic solution of flight time based on a rotational globe model; 3, carrying out an analytic reentry guidance process considering multiple no-fly zone and arrival time constraint; 4, providing a multi-aircraft arrival time collaboration scheme. The method herein has the advantages that an exact analytic solution of hypersonic gliding trajectory flight time based on the rotational globe model, and a prediction error is kept less than 3% to adapt to conditions with non-constant vertical lift-drag ratio profile; the problem with collaborative flight allowing multiple hypersonic gliding aircrafts to be guided to arrive at a target at the same time in a multiple no-fly zone environment is solved on the basis of the analytic solution of three-dimensional reentry trajectory and the analytic solution of flight time; a multi-target numeric iteration plan based on online trajectory simulation considering terminal time, speed and height requirements is designed. A directional derivativeis sued to modify the quasi-newton method, and the quantity of trajectory simulations is decreased.
Owner:BEIHANG UNIV

Quasi-resonant controlled switch voltage stabilizing circuit and method

The invention discloses a quasi-resonant controlled switch voltage stabilizing circuit and a method. By setting minimum limit time, a switching frequency is limited, and the minimum limit time is changed when the time of minimum voltage is close to the terminal time of the minimum limit time so that the purpose of preventing audio-frequency noise can be achieved. The circuit thereof comprises an energy storage element, a switch, a control circuit and a frequency limit circuit, wherein the energy storage element can store energy; the switch is electrically coupled with the energy storage element; when the switch is turned on, the energy storage element stores energy; when the switch is turned off, the energy stored in the energy storage element is transferred to the load; the control circuit is electrically coupled with the switch, controls the switch to be turned on or turned off, and turns on the switch when resonant voltage on both sides of the switch are lowered to minimum voltage;and the frequency limit circuit is electrically coupled with the control circuit, and limits the switching frequency of the switch by setting the minimum limit time, wherein when the time of the minimum voltage is close to the terminal time of the minimum limit time, the frequency limit circuit changes the minimum limit time.
Owner:CHENGDU MONOLITHIC POWER SYST

Wireless positioning system

The invention discloses a wireless positioning system which is technology based on wireless position beacons and a wireless communication network. The system comprises the wireless position beacons, a positioning communication terminal, a time server, the wireless communication network and a positioning server. The positioning process is as follows: detecting the wireless beacon frames emitted by the wireless position beacons in the place by the positioning communication terminal and sending the detected results to the positioning server and computing the position of the positioning communication terminal by the positioning server according to the positions of the wireless position beacons stored in the positioning server. The system has the following advantages: the whole system realizes the balance of capacity, power consumption, efficiency and the like; the wireless position beacons only need to send signals periodically and have simple structures; the positioning communication terminal does not need to break away from the network temporarily, can maintain continuity of communications and simultaneously reduce battery consumption and the deployment amount of mobile base stations; a time server is used for unifying the terminal time so that the terminal can delay reporting and not lose the positioning information; and simultaneously the times of reporting can be reduced.
Owner:上海中兴易联通讯股份有限公司

Device for Assessing Extent of Degradation of Secondary Battery

A device for assessing an extent of degradation of a secondary battery, includes: a determination unit that determines whether or not a value of current flowing in the secondary battery is less than a predetermined value; a first voltage measurement unit that takes a time point at which it is determined by the determination unit that the value of the current is less than the predetermined value as being a start time point of a specific interval, and that measures a first battery voltage of the secondary battery at the start time point; a first charge amount calculation unit that obtains a first charge amount corresponding to the secondary battery based upon the measured first battery voltage; a second voltage measurement unit that, after the first battery voltage has been measured by the first voltage measurement unit, takes a time point at which it is determined by the determination unit that the value of the current is less than the predetermined value as being an end time point of the specific interval, and that measures a second battery voltage of the secondary battery at the end time point; a second charge amount calculation unit that obtains a second charge amount corresponding to the secondary battery based upon the measured second battery voltage; an integrated current amount calculation unit that obtains an integrated amount of the current flowing in the secondary battery during the specific interval; and a charge capacity calculation unit that obtains a difference between the first charge amount and the second charge amount, and that calculates a charge capacity by dividing the integrated amount of the current by the difference.
Owner:HITACHI VEHICLE ENERGY
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