2739results 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 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 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 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 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 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.

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.

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 discloses a method and system for conflict resolution of a non-signalized intersection. The system comprises a first electronic tag reader set, a second electronic tag reader set, data processing units, a road side release device and a vehicle-mounted audio broadcasting device. The system acquires travel information of vehicles heading for the intersection through the first electronic tag reader set and the second electronic tag reader set, predicts conflict between vehicles according to the vehicle travel information by means of the two data processing units, proposes the conflict resolution method, reminds vehicles coming from afar through the road side release device, and conducts conflict resolution guidance on vehicles entering the intersection through the vehicle-mounted audio broadcasting device, and therefore the safety of the non-signalized intersection can be effectively improved.