1438results about How to "Guaranteed success rate" patented technology

The present invention discloses a data transmission method, apparatus, equipment and system for direct connection communication, which belongs to the technical field of communication. The method comprises the steps of sending direct connection data to a second terminal through a direct connection link according to the DCI sent by an access network device by a first terminal; receiving the HARQ feedback information of the direct connection hybrid automatic retransmission request fed back by the second terminal, wherein the direct connection HARQ feedback information is used to indicate the receiving state corresponding to the direct connection data; and reporting the direct connection HARQ feedback information to the access network device. In this way, in the direct connection communicationscenario based on the access network equipment scheduling, the direct connection HARQ feedback information may be directly transmitted from the second terminal to the first terminal, and then reported by the first terminal to the access network device to ensure the success rate of information transmission and reception in the direct connection communication scenario, and improve the efficiency ofdata transmission.

The embodiment of the invention provides a taxi service providing method, a server and a system. The method includes the steps of receiving taxi calling request information sent by a passenger client, and selecting at least one service taxi on the basis of distance, deadhead conditions, road conditions, passenger preference information and service taxi assessment information; feeding back received vehicle information corresponding to at least one vehicle-mounted terminal receiving an order to the passenger client sending a taxi calling request; receiving information, fed back by the passenger client, of the service taxi selected by a passenger according to the vehicle information, and forwarding order success information to the vehicle-mounted terminal of the service taxi selected by the passenger. Preference of the passenger to service taxis and work wills of drivers of the service taxis are fully taken into consideration, the service taxi satisfying the passenger and good in service is sent to provide taxi calling service to the passenger, use experience of users is improved, meanwhile, the success rate of taxi calling transactions is guaranteed, and overall efficiency of the taxis calling service provided by taxi calling software is improved.

The invention relates to the technical field of communication, in particular to a feedback information transmission method and device, a terminal and a storage medium. The method comprises the following steps: when the HARQ-ACK information of the side chain needs to be sent in the target time unit, sending the HARQ-ACK information of the side chain to the target time unit; and the first terminal sending a side link HARQ-ACK codebook on a physical layer uplink channel in the target time unit, wherein the side link HARQ-ACK codebook comprises side link HARQ-ACK information corresponding to at least one piece of side link data. According to the method, the first terminal can support data transmission when the side chain HARQ-ACK information needs to be sent in the target time unit. The condition that the first terminal cannot correspond the side chain resources to the PDSCH SLIV when the DCI contains the side chain resources in the related technology is avoided, and the success rate of side chain HARQ-ACK codebook feedback in a side chain communication scene is ensured.

This invention puts forward an automatic maitaining neighborlist method in CDMA system in which, switching is an important method for guaranteeing normal talk between local area, yet, the successful switch is to configurate correct heighborlist information at the network side, actually, base station distribution information by network planning and the neighborlist got frame actual path test are not very accurate. This invented method will get the lost matched heighbor in network plan and add the local information not listed in the list reported by mobile station to the neightborlist after filtering and matching the unlisted areas.

The invention discloses a resource collision solution, device and storage medium in a V2X direct communication scene, and belongs to the technical field of communications. The method comprises following steps: receiving resource distribution information from n second facilities by a first facility, wherein n is an integer greater than 1; according to the resource distribution information sent by the second facilities, determining distributed resources of second facilities by the first facility; and if the target second facility distributed resources of n second facilities meet the resource collision requirements, executing resource collision resolving process by the first facility. Through the technical scheme mentioned above, resource to be occupied in the future in the V2X direct communication scene can be detected to determine whether resource collision happens in the future, the possibility to solve the resource collision problem is increased, the resource collision is maximally avoided, the success rate of transceiving messages in the V2X direct communication scene is guaranteed, and the high-frequency spectrum efficiency is improved.

The invention discloses a direct communication data transmission method, device, equipment and system, and belongs to the technical field of communication. The method comprises: when an uplink HARQ feedback bit and a direct connection HARQ feedback bit need to be sent within a target time unit, the uplink HARQ feedback bit and the direct connection HARQ feedback bit are sent to a facility that isaccessed to the network by a first terminal in a same physical layer within the target time unit. The uplink HARQ feedback bit and the direct connection HARQ feedback bit are compounded and reported in a same physical layer within the target time unit to avoid the problem that in related technologies, transmission of direct connection HARQ feedback and transmission of uplink HARQ feedback are overlapped in time domain, and resource conflict happens. The provided method can fully ensure the information transceiving success rate in a direct connection communication scene and improves the transmission efficiency of HARQ feedback.

The invention discloses a method for adjusting terminal access control. The method comprises that: network side releases an access control and adjustment parameter; and the terminal adjusts an access control parameter according to the access control adjustment parameter obtained from the network side before initiating random access and carries out access control according to the adjusted access control parameter. The invention further discloses a system for adjusting the terminal access control. In the invention, when a random access load exceeds a set threshold, random access control adjustment can be carried out on a set terminal, or a terminal group, or the like. The random access control on the terminals is realized by releasing the access control adjustment parameter to the terminals, thereby reducing the load of the current random access, guaranteeing the success rate of the terminal random access, and promoting service quality of a system.

A method for locating partial discharge of electrical equipment is used for detecting and locating partial discharge of the electrical equipment. The technical scheme includes the steps: firstly, using three ultrasonic array sensors to receive partial discharge ultrasonic signals at different positions of the electrical equipment and forming an array model; then, converting broadband signals received by the three ultrasonic array sensors into narrow-band signals by applying a TLS (transport layer security)-based broadband focus algorithm, and obtaining azimuth information of partial discharge sources according to a narrow-band direction-finding algorithm combining the phase matching principle and cloud optimization search; and finally, determining specific positions of electrical equipment partial discharge by means of a partial discharge source location algorithm based on global optimization search of a modified genetic algorithm. The invention simultaneously provides an improved system for locating partial discharge. Compared with a traditional method for locating partial discharge, the method has the advantages of small calculation amount, high direction-finding precision, accuracy in location, high convergence rate and the like, and the system for locating partial discharge is simple in structure, low in cost and high in location precision.

The invention discloses a method for controlling a transport robot to autonomously enter an elevator. The method for controlling the transport robot to autonomously enter the elevator comprises the following steps of navigating the robot to a doorway of the elevator by utilizing an own navigation device of the robot, before the robot enters the elevator, obtaining the position of an elevator call button by utilizing a robot vehicular vision module with depth information collection, triggering the elevator call button according to the position information of the elevator call button, and calling the elevator; obtaining the state information of an elevator door by utilizing a retreating sensor module, and controlling the robot to enter the elevator. According to the method for controlling the transport robot to autonomously enter the elevator, through combining with signals obtained by a Kinect sensor and the retreating sensor module, the past way that an instruction is sent to an elevator controller by a remote control center is thoroughly changed; the past way is changed into the way that an instruction is sent to the robot by the remote control center, the instruction is sent to a PLC (Programmable Logic Controller) by a robot vehicular controller and the elevator is triggered through an arm of the robot; by combining with the redundant design of a full load judgment condition module in the elevator, the control safety performance of the elevator is promoted.

The invention discloses a method for detecting blink action and realizing autodyne by a mobile terminal. The method includes the steps: detecting and positioning the positions of eyes of a photographed person; detecting whether blink action meets set conditions or not; and automatically taking photos after set delay time when the blink action meeting the set conditions is detected. The invention further discloses the mobile terminal for realizing autodyne by the aid of the method. Autodyne of a camera is controlled in a quite simple and convenient manner, complicated image processing techniques are omitted, and fairly good photographing effects can be greatly ensured.

The embodiment of the invention discloses a session control method which comprises the following steps: when the session service request is first received from a client side, the service request is sent to the server in a server cluster; the Session information generated by the server for the service request is received, and is also stored; and after the service request which is continued to be sent from the client side is received, when the server can not provide service, the stored Session information and the service request sent from the client side at the time are forwarded to other servers in the server cluster. The embodiment of the invention also discloses a session control device and a communication system. The Session information generated by the server is backed up in a load equalizer, so that the high expense required for copying the Session information among the servers can be avoided, the throughput of the system can be increased, and the success ratio of the Session failure recovery can be guaranteed.

The invention provides a hypersonic velocity static wind tunnel nozzle design method and a hypersonic velocity static wind tunnel nozzle transition position determining method. The hypersonic velocity static wind tunnel nozzle transition position determining method comprises the steps that a Gulet logarithm N is determined according to the design requirements of a hypersonic velocity static wind tunnel nozzle; an axle wire of the hypersonic velocity static wind tunnel nozzle serves as an X axis, and the first formula shown in the specification is utilized for determining the vertical coordinate yT of a transition point, wherein the vertical coordinate yT of a transition point conforms to a second formula shown in the specification. According to the second formula, T is the transition point, the GT is the Gulet number of the point T, deltaT is the boundary layer thickness of the point T, RdeltaT is the boundary layer thickness Reynolds number of the point T, rT is the wall curvature radius of the transition point T, y'T is the first-order derivative of the y-axis coordinate of the transition point T, and y''T is the second-order derivative of the y-axis coordinate of the transition point T; according to the vertical coordinate yT of the transition point T, the horizontal coordinate xT of the transition point T is determined. According to the hypersonic velocity static wind tunnel nozzle design method and the hypersonic velocity static wind tunnel nozzle transition position determining method, the transition position of the hypersonic velocity static wind tunnel nozzle can be easily and accurately obtained, and the repeated debugging step in the design process of the hypersonic velocity static wind tunnel nozzle is omitted.

The present disclosure relates to a data transmission method, apparatus, device and system for direct communication of direct communication, and belongs to the field of communication. The method includes: when direct hybrid automatic repeat request HARQ feedback information and uplink information need to be sent in the target time unit, and the direct HARQ feedback information and the uplink information meet a predetermined timing relationship, a first terminal is the direct HARQ feedback information and the uplink information to an access network device on a same physical layer uplink channelin a target time unit. In the above manner, when the direct HARQ feedback information and the uplink information need to be sent in the target time unit, the direct HARQ feedback information and theuplink information satisfy at least a predetermined timing relationship to ensure that the first terminal can process the uplink multiplexing transmission in time. The success rate of information transmission and reception in the direct communication scenario is fully ensured.

The invention discloses an automatic butt assembling method for a large part as well as a system. The method comprises steps as follows: kinematic parameters of a servo posture adjusting positioner under the loading condition are calibrated firstly, an actual mathematical model of a butt part is established according to measurement data of the butt part, the butt part is corrected or reworked through comparison of the actual mathematical model and an ideal mathematical model of the butt part, then the relative position between a butt feature point of the butt part and a support measurement point arranged on a support device is calibrated, the butt part is mounted on the servo posture adjusting positioner, the position of the butt part in an overall reference coordinate system is determined, then a path of the butt part is planned with the optimum matching algorithm, the driving amount of each shaft of the servo posture adjusting positioner is obtained through inverse solution, finally, the butt part is moved by the servo posture adjusting positioner, and butt assembly of the butt part is completed. According to the automatic butt assembling method for the large part as well as the system, transfer errors are reduced, and errors caused by utilization of the ideal mathematical model or non-measurable property of the butt feature point are avoided, so that the quality and the success rate of automatic assembly are guaranteed.

The invention relates to one sectional hoisting technique, which may be applied to series disperses freighter with 17.5 or 177000 tons, this hoisting technique includes: The district embarkation hoisting technique and the body section embarks the hoisting technique, respectively partitions the hoisting technique carries out the following step: a) determines the partition the actual tonnage; b) hanging establishment and hanging rigging equipment, which includes the selection steel wire's diameter, length, quantity, docking way and unloading gram, the load bearing tonnage and the material with which the suspenders corresponds; c) selects and arranges three gantry cranes hook; d) partitions stands up from failure the total group and the embarkation; e) controls partitions the time which the total group and the embarkation need. This invention partition hoisting technique, the host hung row of small, the hoisting working procedure are few, which causes the hull hoisting process and the tool utilization and the manpower arrangement which obtains the optimization, partitioned one time of arrive rate is high, the error was quite small, 100% guaranteed the hoisting success ratio.

The invention discloses a method for converting PDF files to OFD files. The method comprises the following steps of: firstly inputting a PDF file; analyzing a layout of the PDF file by utilizing a machine vision technology so as to obtain content distribution of the layout, and analyzing PDF file data to obtain objects of all the elements in the file and object information; mapping the objects with layout distribution, positioning the elements such as characters, pictures, tables and formulas, ad converting PDF-format objects into OFD-format objects by utilizing the mapped object information;and finally composing the OFD-format objects according to an output requirement and outputting an OFD file. According to the method, single or batched PDF files can be automatically converted into OFDfiles via relatively high correctness, the correctness of special elements such as pictures, tables and formulas in the PDF files is effectively ensured, the using difficulty of information stored inthe PDF files is reduced, and the efficiency of converting the PDF files into OFD files is improved.

An automatic charging device for an AGV on an automated container terminal and a charging method using the same are disclosed. The automatic charging device comprises a vehicle-mounted device and a ground device. The vehicle-mounted device comprises RFID read-write coils, a charging connector buffer device, a charging connector, a power measuring module, a vehicle charging controller and a vehicle-mounted wireless module. The ground device comprises an RFID label array, a power panel, a conductive groove, a pressure sensor, an electromagnet, a ground charging controller and a ground wireless module. The hook shaped charging plug, the charging connector buffer device and the power panel with the electromagnet improve success rate of connection between the power supply and the plug, and improve AGV working efficiency. RFID technology is used for positioning the charging region with high reliability. The pressure sensor and the safety cover ensure safety of the charging process and prevent electric leakage.

This invention relates to a local area switch method and a device including: a UE sets up service at AP, which measures signal strength of each macro-area existing in the geographical region where AP locates and selects a macro-area meeting the requirement as the target macro-area switched by said AP, when the AP signal strength of the place UE situates is lower than the preset threshold value, the service connection of the UE is switched to said target macro-region from said AP area, which determines the switched macro-area measured by AP in advance, when the AP signal reduces to the set threshold value, a blind switch is triggered timely to ensure success of the switch and connection and quality of user service.

The invention provides a distributed distribution method and system of car networking emergent message transmission information. Connection between a traffic flow and a car networking connectivity model is built by means of a poisson distribution model, and connectivity probability, connected set length, the number of connected sets and other important parameters are applied to the emergent message channel distribution method according to highway traffic scenes. Namely, vehicle nodes automatically adjust and control transmitting power to adjust the maximum communication distance according to vehicle node density, active channel time slot situations and the like of adjacent nodes obtained in a control channel, and accordingly the scale of the nodes scrambling for safe channel frequency band time slots on a certain road segment is effectively controlled, and the success rate and time delay of data sending of any node are guaranteed.

The invention provides a preparation method and positioning method for a transmission electron microscope sample. The preparation method comprises manufacturing two close marks, namely a first mark and a second mark, wherein the first mark is arranged at a target position region with a defect point, and the second mark is arranged according to the first mark position so that the second mark can be arranged at a position close to a target position. By virtue of the positioning method, the target position can be fast and accurately positioned according to the second mark so as to realize the precise positioning of a defect failure point; therefore, the preparation method and the position method provided by the invention are simple, low in cost, and capable of effectively realizing the precise positioning of the defect failure point and guaranteeing the success rate of the TEM sample preparation.

The invention discloses a polyester elastomer / PET composite elastic fiber and a preparation method thereof. The preparation method comprises the steps of firstly carrying out reduced-pressure direct esterification on terephthalic acid, 1,4-butanediol and double-ended hydroxyl polyether in a certain proportion in the presence of catalysts, carrying out melt polycondensation to obtain a polyester elastomer, and carrying out a spin-draw-winding one-step process on the prepared polyester elastomer and PET, so as to obtain the polyester elastomer / PET composite elastic fiber, wherein the breaking strength of the polyester elastomer / PET composite elastic fiber is 2.8cN / dtex-3.56cN / dtex, the elongation at break is 16.9%-30.4%, the curling degree is 60%-75%, the curling elasticity rate is 97%-99%, the capillary water absorption height is 9.7cm / 30min-14.1cm / 30min. Compared with normal composite elastic fibers, the polyester elastomer / PET composite elastic fiber has relatively excellent elasticity and relatively soft hand feeling, and the fabric capillary suction effect of the polyester elastomer / PET composite elastic fiber is even higher than those of cotton fabrics; the preparation method is short in production process, high in spinning speed and low in cost, and the prepared composite elastic fiber can be directly used in subsequent weaving without being processed into interlaced yarns.

The invention relates to a video abstract generating and indexing method. The video abstract generating and indexing method comprises the following steps of (1) conducting background modeling on a target image in an original video, and achieving background extraction; (2) conducting comparative segmentation on a current image and a background model, and determining movement targets according to a comparison result; (3) matching space information distributed between frames with characteristics of the targets separated from each image, achieving target tracking and recording the movement trails of the targets; (4) correcting the positions of the targets in the images in a sequence; (5) allowing the background to be overlaid with the movement targets to form a short video, and recording abstract video data to form an index data file. The video abstract generating and indexing method has the advantages that after the movement targets are tracked, the tracking success rate is guaranteed, the quality of a generated video abstract is improved greatly, and the video indexing function can meet the requirements that users view the video rapidly and view the original video conveniently so as to view actual situations completely.

The invention provides a method with effects of saving cost and improving efficiency for liquid pollination of pear tree, which belongs to the fruit trees production technical field. The method comprises the following steps: preparing a nutrient solution in full-bloom stage of pear flowers, adding 0.8g pure pollen in every liter of nutrient solution, spraying and pollinating by an electrostatic sprayer to achieve the purpose of artificial pollination. The pollination method has the advantages of simple operation, fast pollination speed, uniform powder injection, concentration, accuracy, pollen and manual work saving, low cost and the like, and solves the practical problems that pollen can not be uniformly dissolved in water in liquid pollination of fruit trees, pollen is easy to adhere with the wall of a container, pollen is obstructed a nozzle, uneven powder injection causes poor pollination effect and the real application of liquid pollination can not be realized for a long time. According to the invention, the new collected pure pollen (germination rate is 60%-80%) in current year required by per mu is 8-11g. In addition, the method of the invention is capable of increasing the moisture and nutrient of pistil stigma and prolonging the fecundation time of stigma pollination, and the fruit quality can not be affected by increasing the fruit setting rate.

The invention discloses an efficient and accurate calibration method for a laser interferometer optical path based on a PSD. Firstly the system optical path is established, then the laser interferometer optical path is roughly adjusted, and finally the coordinate values of each calibration point is obtained according to the PSD two-dimensional photosensitive position sensor and the offset of the measurement light relative to the reference reflected light is calculated and the laser interferometer optical path is precisely adjusted according to the offset. Automatic calibration of the laser interferometer optical path is realized through the coordinates measured in the PSD two-dimensional photosensitive position sensor, and the offset of the calibration beams is obtained by using the PSD two-dimensional photosensitive position sensor so as to indirectly obtain the offset of the measurement light, realize automatic adjustment of the optical path, realize the high-precision optical path calibration, improve the calibration efficiency and accuracy and have good practicability.

The invention discloses an orientation positioning seeder. The orientation positioning seeder comprises a workbench, a conveying device, an aperture disk, an aperture pressing mechanism, an oriented seed aperture device, a negative pressure seed discharge device, a sprinkling device, a guide rod, a position sensor and a control case. The workbench comprises a frame and a workbench surface. The conveying device is installed on the workbench surface and is used for conveying the aperture disk according to a flow line working process so that the aperture disk goes through the aperture pressing mechanism, the oriented seed aperture device, the negative pressure seed discharge device and the sprinkling device, PLC is used for controlling the whole seeder, the oriented seed aperture device adopting a machine vision technology realizes seed direction adjustment, the negative pressure seed discharge device carries out orientation positioning sowing on the seeds subjected to direction adjustment, the sprinkling device is used for watering the apertures with the seeds, and the position sensor is used for accurately detecting and feeding back the work process. The orientation positioning seeder realizes 45 degree orientation positioning sowing of large seeds. The orientation positioning seeder solves the problem that the manual sowing method has low work efficiency and causes fatigue easily, can cultivate standard seedlings and provides favorable conditions for automatic grafting implementation.

The invention discloses a position sensor-free permanent magnet synchronous motor starting method. The method includes the steps of: 1. a two-time current injection method based on a current closed loop is adopted so as to ensure that an initial magnetic pole position of a permanent magnet synchronous motor is a 0-degree direction; 2. VF control is adopted in a low-speed part, a switching frequency is selected at low frequency, waiting for switching can be started till VF control runs to the frequency, and at the same time, a sliding-mode observer also starts to work; 3. through artificial setting, an active smooth switching strategy is adopted, so that the motor can automatically switch at low and intermediate speed switching positions; and 4. after success switching, a position sensor-free method is adopted to control operation of the permanent magnet synchronous motor in a closed-loop manner. The method has the advantage of enabling the position sensor-free permanent magnet synchronous motor to realize rapid and smooth starting at low speed without selecting VF parameters.

The invention relates to a distributed collaborative multiple access method and a system thereof, the method comprises the steps that: according to a stored and maintained collaboration list, a source node selects two candidate nodes used for collaboration, sets a priority level and then sends out a CRTS grouping, and the CRTS grouping comprises the addresses and the priority level of the two candidate nodes; a destination node receives the CRTS grouping, calculates the highest channel speed supported between a source node and the destination node, and sets the channel speed into a CCTS grouping for feedback to the source node; after the CRTS grouping and the CCTS grouping are monitored, whether the two candidate nodes meet the collaborative condition is met is judged, and the candidate node meeting the collaborative condition is taken as a collaborative node and sent into a RTH grouping according to the preset priority policy; and according to the RTH grouping, the source node sends a data grouping to the destination node. By selecting the two candidate nodes and setting the priority level, the invention not only effectively shortens the time in competitive stage, but also effectively avoids competitive conflict and saves the channel resource.

The application provides a system and a method for disaster recovery in internet application, so that a problem of data access in large-scale internet application can be solved. The disaster recovery system, which is a complete set of solution schemes, carries out leveled disaster recovery on an internet application system; and real-time active-standby synchronization is carried out respectively at various levels including a database, caching, and service access. Therefore, it can be ensured a standby computer is immediately switched for usage when there is a problem at the database; and when there are invalidated cache data, data can be loaded from a standby cache file; and when a service logic server fails to carry out access, the access can be carried out form the standby computer. Because the whole set of the disaster recovery system does not carry out disaster recovery for a single point, a data access situation in large-scale application can be well adapted to, thereby maximizing service availability for users and further ensuring security and an access success rate for large internet data access.

The invention discloses a carrier channel selection method for MF-TDMA satellite system. there are two conditions for channel selection and allocation in the method by judging if terminal A is first time for starting a time slot resource application. Condition 1: if terminal A is first time for starting time slot resource application and has not prearrange carrier channel, then finding the smallest carrier channel for allocation by finding idle carrier channel and computing present carrier channel load function; condition 2: if terminal A is not first time for starting time slot resource application and a foregoing connection is allocated to predetermined carrier channel, then predetermined carrier channel is target carrier channel for allocation, or all connection of terminal A is tuned to other usable carrier channel for allocation. The inventive method makes user carrier channel tunable, solves time slot resource waste problem arising from uneven load of carrier channel for multi-user multi-connection and promotes time slot resource utilization.