2749results about How to "Minor changes" patented technology

A sweeping robot navigated by a smart phone comprises a sweeping robot module and further comprises a smart phone module which comprises a smart phone camera, an image processing submodule, a camera calibrating submodule, an EKF-SLAM (Extended Kalman Filter for Simultaneous Localization And Mapping) submodule, a map maintenance and routine planning submodule, a sensor submodule and a sensor data acquisition submodule. A navigation sweeping method sequentially comprises the following steps of: 1, calibrating parameters in the smart phone camera with a calibrating template; 2, establishing bluetooth communication connection; 3, activating the EKF-SLAM submodule for accurate localization and creating a three-dimensional environment map; 4, establishing an obstacle covering map of an indoor environment; 5, automatically planning a sweeping routine of the sweeping robot; and 6, controlling the next motion of walling wheels of the sweeping robot. Sensors and hardware equipment of navigation localization and the like do not need to be directly arranged on the sweeping robot. The sweeping robot has the advantages of simplicity in realization, small modification on hardware, accurate localization, large sweeping covering area and high sweeping efficiency.

Provided are an automatic cargo picking system and method. The automatic cargo picking system comprises a transfer robot, a control system and multiple ordered cargo containing containers; each ordered cargo containing container is arranged to contain one or more cargoes corresponding to an order; the control system and the transfer robot conduct wireless communication, the automatic cargo picking process comprises the steps that the control system distributes a task order for the transfer robot; the transfer robot obtains empty ordered cargo containing containers, transfers the ordered cargo containing containers to all cargo placing areas where the cargoes corresponding to the order are located to collect the cargoes and transfers the ordered cargo containing containers which complete cargo picking to the designated place. An automatic cargo picking technology is a scheme that the orders are assigned to people, and an original cargo shelf can be used; the cargo-to-people mode can adopt the method of conducting full container and full tray cargo storing on the original cargo shelf, and therefore the problem of frequent shelving is solved; the intelligent transfer robot is utilized for replacing manual transferring, and the labor intensity of picking personnel is reduced.

The invention discloses an agent-based single sign on (SSO) method and system, belonging to the technical field of computer information. In the method, a user (U) registers and acquires a user certificate (C) in an application server (S); the U logs in an SSO server (L) and sends a certificate setting request; the L stores user identifications, application server identifications and ciphertext (C') in an associated manner; the U logs in the L and requests to access the S; the L is interacted with the S to acquire a token issued by the S and a signature (sig) of the S for the token; the L usesa self-private key to sign the token to acquire sig' and then searches the C' associated with the U identifications and the S identifications as well as sends the C', the token and the sig' to the U;the U uses a private key in the user C to decrypt c' so as to acquire C, and sends SSO server identifications, the C, the token and the sig' to the S; and the S verifies the token and the sig', if the token and the sig' pass the verification, the user C is continued to be verified; and if the user C passes the verification, the U is permitted to log in. The invention also discloses an SSO system corresponding to the SSO method.

The embodiment of the invention provides a transmission method for feedback information, which comprises the following steps that: a base station sets control signaling VDAIDL for downlink control information carried by user equipment (UE) in physical downlink control channels (PDCCH) of all scheduling physical downlink share channels (PDSCH) or / and PDCCHs indicating semi-persistent scheduling (SPS) resource release in a feedback window, allocates a control information modulation and coding scheme (MCS) offset value beta offset HARQ-ACK to the UE in a semi-static state and informs the UE of the offset value through high-level signaling; and the base station receives acknowledgement / negative acknowledgement (ACK / NACK) feedback information sent by the UE through a physical uplink share channel (PUSCH) according to VDAIDL and the beta offset HARQ-ACK and performing corresponding processing. According to the scheme provided by the invention, a method for ACK / NACK multiplexing of a long term evolution time division duplex (LTE TDD) system can be expanded, so that the method for the feedback information can be applied to LTE / LTE-A, and the problem of multiple ACK / NACK feedbacks caused by carrier aggregation can be solved simultaneously. In addition, in the scheme provided by the invention, the change of the conventional system is small, the compatibility of the system cannot be influenced, and the scheme is simply and efficiently realized.

The embodiment of the invention provides a method for indicating information, and the method comprises the following steps: a base station communicates with user equipment (UE) and allocates a corresponding dataflow to the UE according to the attribute of the UE; the base station sends downlink control information (DCI) to the UE, wherein the DCI contains information indications allocated to a downlink transmission Rank and a demodulation reference sign (DMRS) port; and the base station sends the corresponding dataflow to the UE through the DMRS port. By using the technical scheme provided bythe invention, the signaling overhead is reduced by using a transmission block switch and through the combined coding of NDI (non-damage inspection) bits in the mono-code transmission, thereby supporting the combined indication of the DMRS port and bus Rank with a lower overhead.

The invention discloses a method for manufacturing metal part solidification structure by a non-contact control added material and a magnetron metal 3D printing device. An electromagnetic field is applied in the quick solidification process of metal 3D printing; under the effect of the electromagnetic field, thermocurrent can be generated on a quickly solidified solid / liquid interface; the thermocurrent and the magnetic field are interacted to generate thermal electromagnetic force for triggering flowing of a melt; the end part of a dendritic crystal is shorn after suffering from the effect of the force to cause fragment of the dendritic crystal to form a lot of new crystal nucleus; and on the other hand, the temperature gradient of the front edge of the solid / liquid interface is slowed down through flowing of the melt, so that the constitutional supercooling of two phase regions is increased, the nucleation rate is increased. The method refines grains, improves the morphology of the grains, enables the structure to become uniform and compact, and realizes the structure control of metal 3D printing parts.

The present invention discloses a method for reporting channel state information, comprising the following steps of: acquiring, by UE, information about at least two sets of CSI RSs, wherein the information about CSI RSs comprises time domain resource and frequency domain resource occupied by CSI RSs; and measuring, by the UE, a reference signal according to the information about at least two sets of CSI RSs, determining channel state information, and reporting the channel state information to a base station. Another aspect of the present invention further provides a device for reporting channel state information. By the technical solutions provided by the present invention, after pre-coding the CSI RSs, the system performance can be improved, and the resources occupied by the CSI RSs may be greatly saved in practical applications, so that more downlink physical resources may be used for transmission of physical downlink shared channels (PDSCH), thereby increasing the throughput of downlink traffic.

The invention discloses a method and device for realizing different interfaces for different users. The method for realizing different interfaces for different users comprises the steps that multiple pieces of user sign information granted with credit are set, and different interface configuration files are correspondingly stored for the different user sign information; when an intelligent terminal is started or unlocks a locked screen, first user sign information used for verifying starting or unlocking is obtained; whether the first user sign information is the user sign information granted with credit is verified, and after verification passes, the starting or unlocking operation is executed; an interface configuration file corresponding to the first user sign information is called, and a user interface corresponding to the first user sign information is loaded according to the interface configuration file corresponding to the first user sign information. The method and device for realizing different interfaces for different users delicately utilize fingerprints obtained by the intelligent terminal in the fingerprint identification process, call the interface configuration files in the starting / unlocking process by setting the corresponding relation between the fingerprints and the interface configuration files in advance, and achieve the purpose of displaying different interfaces for different users.

An embodiment of the invention provides a power saving method based on a discontinuous receiving function. The power saving method based on the discontinuous receiving function comprises: a terminal receives configuration information for discontinuous DRX parameter receiving of network voice call VoIP service sent by a base station; when the terminal is in a DRX activation state, the terminal performs one-time PDCCH blind detection in a long DRX Cycle when the VoIP service is in an activation period; the terminal perform one-time or two-time blind detection in a short DRX Cycle when the VoIP service is in a silence period; the terminal is in a DRX non-activation state and performs one-time or two-time blind detection in the short DRX Cycle when receiving MAC DRX CE sent by the base station. In the scheme, by setting the long DRX Cycle in the configuration information of VoIP service DRX parameters sent by the base station, the PDCCH blind detection times are decreased, and the power saving purpose is achieved.

The invention discloses a method and equipment for generating a codebook and sending and feeding back information. The method for sending the information comprises the following steps: after the codebook is generated, receiving signals containing codebook index information and extracting the codebook index information; according to the codebook index information, selecting corresponding precoding matrixes from the codebook or subsets of the codebook; precoding data to be sent according to the precoding matrixes; and sending the precoded signals to a receiving end. The method of feeding back channel status information comprises the following steps: receiving information sent by a sending end; estimating channel information on the basis of the received information; selecting the corresponding precoding matrixes from the codebook or the subsets of the codebook according to the channel information,; and sending signals containing codebook index information corresponding to the selected precoding matrixes. By the invention, dual-precoding matrix index feedback can be supported, the quantization accuracy of small-interval dual-polarization array channels can be improved, and the quantization accuracy of small-interval linear array channels can be enhanced.

The invention provides a touch operation processing method which comprises the following steps that: a terminal device detects a suspension position of an operator in an off-screen suspension induction region, and maps the suspension position to a corresponding position of a screen; and the terminal device detects a suspension touch operation of the operator by adopting a mode corresponding to a region type according to the region type in which the corresponding position is, and makes a corresponding response on the suspension touch operation. The embodiment of the invention also provides a terminal device. By adopting the technical scheme provided by the invention, through introducing a suspension touch technology when a user carries out input, diversifying selection is provided for the input operation of the user. In addition, according to the technical scheme provided by the invention, a control function corresponding to the suspension touch operation can be defined according to the demand of the user, the input operation of the user is more effective and convenient, and a brand new edit input experience is provided for the user.

This invention relates to realizing method for multi-point TD-SCDMA netwroking and comunication including: 1, programming addresses of base stations, determining the emission power of control channel and service channel of each station adaptively and setting up-and down-line switch points flexibly and carrying out supplement cover to blind regions of service channels with relay nodes, 2, a mobile station initiates an access request according a transparent mode and the base station selects a suitable relay node for it to set up a communication link adaptively and get diversity and multiplex gain of the relay, 3, the base station manages radio resources of relay links in concentration to set emission power of the control channel and service channels and distribute radio resources of frequency, time slot and codes to relay and non-relay links.

The invention provides a system and method for transmitting data between a service gateway and relay terminals. The method comprises the steps of: establishing evolution global terrestrial radio access bearer connection between the relay terminals and the service gateway; forming extracted packet data convergence protocol service data units (PDCP SDUs) into packet data convergence protocol protocol data units (PDCP PDUs) and multiplexing the PDCP PDUs to form radio link control protocol data units (RLC PDUs) after an evolution node B of an application side receives data sent by the service gateway; multiplexing the RLC PDU of each relay terminal to form a relay medium access control protocol data unit (R-MAC PDU) and then sending the R-MAC PDU to a relay node; extracting each RLC PDU from the R-MAC PDU by the relay node; and multiplexing all the RLC PDUs of the same relay terminal to form a media access control protocol data unit (MAC PDU) and then sending the MAC PDU to the corresponding relay terminal. By adopting the invention, the aims of introducing the relay node, reducing the cost and improving the efficiency are realized.

The embodiment of the invention provides a method for analyzing user perception, which comprises the following steps of: performing performance measurement indicator analysis on the specific aspect of a resource or a resource group for providing a service according to a service type to acquire key performance indicators (KPI) of the service; analyzing the KPI to acquire key quality indicators (KQI) for objectively reflecting the service performance; and analyzing the KQI to obtain a comprehensive satisfaction degree of the service type, and presenting user service quality perception in a quality of experience (QoE) mode of quantitative score. The embodiment of the invention also provides equipment for analyzing the user perception. According to the technical scheme provided by the invention, hierarchical structure analysis is adopted in the architecture of a user perception system, the KPI and the KQI for reflecting objective perception are determined, the service level of the network for the user is finally estimated in a layer-upon-layer mapping mode of the indicators, and the satisfaction degree of the user on the provided service is represented by quantifying the service level.

The invention relates to a power system of an oil-electricity four-drive hybrid electric vehicle and a control method thereof. The system takes a motor and a dynamo as impendent power sources for driving front driving wheels and rear driving wheels of a vehicle respectively, adopts a motor controller to control the motor to operate, adopts a dynamo controller to control the dynamo to operate, andadopts a whole vehicle controller to control the dynamo controller and the motor controller to operate; according to equipment parameters and operating parameters of the vehicle, the whole vehicle controller determines a drive mode of the vehicle and the switching among different drive modes; and a control mode comprises a self-check mode, a pure motor drive mode, a pure dynamo drive mode, a motor single drive mode, a dynamo single drive mode, a motor-dynamo double-drive mode and a power failure mode. The power system can farthest exert the advantages of the motor and the dynamo, meets requirements under different conditions, and achieves the aims of reducing operating expense, saving energy and protecting environment.

The invention provides a distributed base station as well as a data transmission method and a data transmission device. The base station comprises a base band unit (BBU) and a radio remote unit (RRU) and is characterized in that the RRU comprises a first module and a second module, and the BBU comprises a third module, wherein the first module is used for carrying out data processing on a physical layer, the second module is used for carrying out data processing on the first part of MAC (Media Access Control) sublayer and data processing on the first part of RLC (Radio Link Control) sublayer, and the third module is used for carrying out data processing on the second part of MAC sublayer and data processing on the second part of RLC sublayer. After the invention is applied, the bandwidth requirement on a fiber interface between the BBU and the RRU in the base station can be lowered, and meanwhile, the processing performance of baseband data is ensured.

A multi-attribute handover judging method for a heterogeneous vehicle communication network comprises the following steps: a handover management entity reads information on a candidate network in a field network report buffer entity, and the diameter of the coverage region of the candidate network is calculated; a mobility prediction information management entity acquires position information and speed information of a mobile user, and sends the position information and the speed information to the handover management entity; possible residence time and throughput capacity in each neighbor access network of the mobile user is estimated, when the throughput capacity during handover is higher than the throughput capacity in a normal state, the candidate network is added in an alternative list; an optimal target access network is determined to be switched into the network by the handover management entity via an analytic hierarchy process and according to service quality requirements; when the intensity of the current switch-in network signal is lowered to a threshold value, a handover execution instruction is sent to carry out handover. The multi-attribute handover judging method provided by the invention avoids unnecessary handover when a traveling vehicle passes through a region covered by heterogeneous access network, reduces handover delay and ensures the continuity of the communication.

The invention discloses an LBT mechanism which synchronously takes an uplink and a downlink into consideration in an LAA system. The mechanism comprises following steps: designing uplink and downlink burst structures, designing a CCA (Clear Channel Assessment) detection time window, designing a channel reserved signal and designing a channel access process, wherein with respect to the step of designing the uplink and downlink burst structures, a piece of UE or an eNB each time can transmit data only in one or several sub-frames in uplink or downlink burst, specifically, it is determined by a channel access moment, the quantity of to-be-transmitted data and the maximum number of sub-frames allowed to be sent; with respect to the step of designing the CCA detection time window, different detection time windows are adopted by the uplink and the downlink; with respect to the step of designing the channel reserved signal, the step is only used for the downlink, the channel reserved signal is designed by taking a CRS as the basis according to the symbol cycle of the OFDM; with respect to the step of designing the channel access process, with respect to the uplink, a channel access process with a self-adaptive backspacing function is adopted; and with respect to the downlink, a channel access process without a function is adopted. The scheme of the invention is applicable to various TDD frame structures and can coexist with unauthorized frequency bands in a WIFI system friendly; and moreover, relatively high channel utilization efficiency can be obtained.

The invention discloses a driver emotion recognition-based automatic driving mode switching system, which comprises a driver physiological information monitoring module, a road rage status recognitionmodule, a driving mode switching module and an automatic driving module, wherein the driver physiological information monitoring module comprises heart rate and blood oxygen sensors arranged at the two end parts of the horizontal axis of a steering wheel, and the road rage status recognition module constructs an off-line training and online recognition model of driver rage emotion to perform online recognition of the driver rage emotion; when the road rage status recognition module judges that a driver is angry, the driving mode switching module switches a vehicle driving mode into an automatic driving mode to disable the operation of the driver on a vehicle; when confirming that the driver is ready for taking over, the driving mode switching module switches the vehicle driving mode fromthe automatic driving mode into a manual driving mode; the automatic driving mode module comprises an ACC (Adaptive Cruise Control) system for realizing longitudinal automatic control of a vehicle andan LKA (Lane Keeping Assistance) system for realizing lateral automatic control of the vehicle.

The embodiment of the invention provides an information indication method, comprising the steps: network side equipment and user equipment (UE) communicates and distributes corresponding data streams for the UE according to UE attributes; the network side equipment sends downlink control information (DCI) to the UE, wherein the DCI comprises DMRS (Demodulation Reference Symbol) port / SCID (Scrambling Initialization) combined or DMRS port / SCID / Rank combined information indication; and the network side equipment sends the corresponding data stream to the UE through the DMRS port. The embodiment of the invention further provides the network side equipment and the UE. According to the scheme provided by the invention, by means of combined coding of a newly introduced control bit and transport block switch as well as an NDI (New Data Indication) bit state under single codeword transmission, the signalling expense can be effectively reduced. In addition, the network side equipment informs a user of DMRS distribution and the SCID of the DMRS by means of the DCI, so that the user can determine whether a scrambling user using same SCID as that of the user exists or not and perform effective inhibition on the scrambling.

The invention relates to an automatic driving device for an intelligent vehicle. The device comprises an automatic driving actuating mechanism and a control system, the automatic driving actuating mechanism comprises a steering actuating mechanism, a brake actuating mechanism, an accelerator actuating mechanism and a gear actuating mechanism, and the control system comprises a decoder, a serial communication unit, a single chip microcomputer, a CAN (controller area network) interface, a data storage unit, a reset circuit and a power conversion unit. By the aid of modular design, a steering module is directly and additionally mounted on a steering wheel through an upper steering wheel fixture and a lower steering wheel fixture in a synchronous belt transmission mode, the driving performance of an original vehicle cannot be affected as the original vehicle is slightly modified, the automatic driving device is applicable to various vehicle types with different steering wheel sizes, a brake module, an accelerator module and a gear module control states of a brake, an accelerator and gears as a direct current servo motor drives a ball screw to pull a flexible shaft, and manual driving cannot be affected. Four actuating modules are connected by a CAN bus, so that the automatic driving device is high in automatic control accuracy and fast in response.

The invention discloses a hub-motor-driven automobile electromechanical fluid redundant braking system and a control method. The control method of the braking system comprises the steps that is a hubmotor is utilized preferentially to conduct regenerative braking, an electro-mechanical-type braking system is used for traveling braking compensation and parking braking, a hydraulic braking system is used for failure compensation, and the three sets of braking systems are synergetic; and current automobile condition information and driver operation are obtained through an automobile controller,the driving intention is recognized, the automobile stability state is monitored, the road surface condition and the power battery state are synthesized, the braking mode is judged, the total brakingtorque demand is solved, braking torques of four wheels are reasonably distributed, and a hub motor controller, an electro-mechanical-type braking system controller and an electric mechanical brakingbooster are synergetic to conduct braking control to reach the braking target jointly and guarantee traveling stability. The hub-motor-driven automobile electromechanical fluid redundant braking system and the control method can achieve efficient braking energy recovery and four-wheel active-distribution-type braking, and have the advantages of being high in braking capacity, high in sensitivity,quick in response, high in safety, high in reliability and the like.

The embodiment provided by the invention provides a SIM (subscriber identity module) card clamping seat, a mobile terminal and a method for identifying the hot plugging of a SIM card. In the prior art, a base of the SIM card clamping seat is provided with a metal contact and a first fixed metal pin connected with the metal contact. According to the invention, on the basis of the prior art, an additional metal spring plate is arranged on the base of the SIM card clamping seat for being in an unpressed state and in contact with a high level when the SIM card is not inserted, being in a pressed state and in contact with a low level when the SIM card is inserted and identifying the insertion and the plug-out of the SIM card by transmitting the high and low levels to a main chip of the mobile terminal. The invention relates to the field of mobile communication; the insertion and the plug-out of the SIM card can be identified without increasing devices, so that the space of a main board is further saved; and the production process is also not influenced and the production cost is reduced.

The invention belongs to the ultraprecision machining field of the hard and brittle semiconductor crystalline materials and relates to a grinding force on-line measurement device used in the grinding process of the semiconductor wafer and a force-controlling grinding method. The invention discloses a semiconductor wafer grinding force on-line measurement device which is used as the feedback element of a grinding force adaptive control system. The grinding force measurement device adopts the piezoelectric measuring principle and contains a sensor part and a data processing unit, wherein the sensor part is used for the on-line measurement of the radial force Fr, the tangential force Ft and the axial force Fz; and the data processing unit is used to collect and analyze the grinding force data and perform feedback control to the feed speed and feed amount of the grinding wheel, thus the aim of on-line measurement can be achieved. The invention has the following advantages: the grinding force on-line measurement device has simple structure, and the modifications to the original equipment are less; the grinding force on-line measurement links are fewer, the response speed is fast, and the precision is high; and the grinding efficiency of the semiconductor wafer can be increased and the thickness of the damaged layer is reduced.

An embodiment of the invention provides a method for playing advertisements on a display based on inter-audience relevance information, comprising: first, collecting data of at least two human bodies present in front of the display, and extracting inter-human body relevance information from the data; second, automatically selecting advertisement information corresponding to the relevance information according the relevance information; third, playing the corresponding advertisement information on the display. Since in the embodiment of the invention the extracted relevance information is common relevance characteristics of at least two human bodies present in front of the display, the selected advertisement information is highly matched with the at least two human bodies, the advertisement information can adapt to multiple people, advertisements are pushed more specifically to the at least two audience based on the relevance information, the purpose of pushing advertisements to multiple people in a targeted manner is achieved and advertisement pushing effect is improved; meanwhile, the view experience of watchers watching the advertisement information is also improved.

The invention discloses a dynamic running method for a security kernel service of a tristate operating system in a Feiteng CPU. The method comprises the steps of: dividing a kernel into a system state and a kernel state of different privilege levels; establishing a service framework in the kernel state to serve as a container for the security kernel service, and establishing a call interface for the security kernel service; establishing a virtual driving interface in the system state to support a user state to call the security kernel service; loading the service framework and the built-in security kernel service after enabling the CPU to be powered on; and loading a loading part of a system service module and starting a system service, wherein the service framework provides the security kernel service and makes a response to a dynamic loading / unloading request of the security kernel service. The dynamic running method can realize security protection on specific hardware resources of the system, realize security access to a core service of the operating system, efficiently support credibility conformation of the system, effectively improve the system security, lower the security risk of traditional kernel bugs and provide an efficient and flexible credible calculating ecological environment for users.

The invention discloses a method for developing services in wideband network, and its kernel: a device in wideband access network system loads access line information of wideband service access layer device and wideband service access node device into DHCP message and transmits the DHCP message to a server; the server develops services according to the access line information. And it can make the server obtain complete user access line information, beneficial to fast determining position of an access user and raising user failure processing efficiency and accuracy and beneficial for a policy server to select more appropriate service policies and accurately and rapidly issue them all the more.

A method for positioning fault of application program includes making hook function for being called at entrance of self ¿C coding function when application program is compiled, setting up course shared internal memory for each linear program, pressing EIP and RET into stack region of shared internal memory by calling on hook function when operation is run up to self ¿C coding function, pulling out EIP and RET and restoring RET of program stack, realizing accurate positioning of fault although application program stack is damaged and program is disengaged because of fault .

The invention provides a unified network home information diffusing method by using a border gateway protocol (BGP). The invention is characterized in that an access identifier of a terminal comprises a field which is the same as the autonomous number of the home autonomous system for identifying the home domain; the routing upgrading of the border gateway protocol comprises switching routing identifiers of an identifier mapping server of the initial autonomous system; an access switching router reads and maintains the switching routing identifiers capable of arriving at the identifier mapping server of the autonomous system from the border gateway information. The invention can simplify the diffusion of mapping information, show the consistency relationship of routing and mapping in the communication, and the process is easy to manage.

The embodiment of the invention provides a method for precoding granularity indication, comprising the following steps: a transmitting end and a receiving end appoint a standard of precoding granularity indication according to a transmission mode; and the transmitting end determines the size of precoding granularity according to the standard and transmits precoding data on basis of the size of precoding granularity. The embodiment of the invention also provides a transmitting device capable of realizing the precoding granularity indication. The technical scheme of the invention provided by the invention solves the problem of precoding granularity indication in an MIMO system through coordinately appointing the size of the precoding granularity by the transmitting end and the receiving end, thereby improving the quality of signals received by users, reducing cell interference and effectively improving system capacity and edge user spectrum efficiency.