71results about How to "Improve real-time response performance" patented technology

The invention discloses an automatic charging system of an electric car and a control method of the automatic charging system. The automatic charging system and the control method thereof have the advantages that monitoring is started from parking of the car, a charging connection reset device is disconnected after charging of the car, a user's bill is generated, charging plug butt joint and real-time charging process monitoring are included, all related data in the whole charging process are monitored by a software system portion, a hardware mechanical portion is controlled to complete a next action, the hardware portion sends new semaphore to the software portion for new command calculation after completing a command, the software portion is combined with the hardware portion, and accordingly, systematicness and intellectuality of the whole charging system are improved; a charging interface butt joint scheme based on machine vision and a machine learning algorithm is applied, and feasibility and accuracy in butt joint are guaranteed; a three-dimensional lead screw guide rail mechanism with a long stroke is used, the range of activity of a charging connector is widened, and the charging connector is suitable for multiple car models; the automatic charging system is provided with a payment code scanner, payment of related charges can be completed through a payment bar code scanning function of a cellphone-side payment application, and accordingly, intelligent payment is achieved.

The present invention relates to a space form detection device of fine-long flexible bar and its detection method. Said device is composed of fine-long flexible bar, fiber-optic grating sensor array, fiber-optic grating modulator-demodulator, local area network router, data acquisition and data processing module and display equipment. The space form detection method of fine-long flexible bar includes the following steps: utilizing a group of grating array formed from four optical fibers arranged on the fine-long flexible bar, utilizing scale factor between the off-line labeled curvature and wavelength and utilizing fiber-optic grating modulator and demodulator to measure wavelengths of 20 raster points in five discrete points of fine-long flexible bar in the space so as to obtain the space curvature size and direction of discrete point position, then utilizing data processing module to reconstruct the form of said fine-long flexible bar in space. Said device can be used for making real-time tracking detection of human body cavity channel and fine-small vessel forms in the therapeutic process.

The invention discloses a method for predicting the path destination of a moving object, and mainly solves the problems of sparse data, a low hit rate and poor real-time performance during the prediction of the path destination in the prior art. The method includes the following steps: off-line calculating the history path data in a training data set to obtain a location set, a prior probability of each location, a single-step transition probability matrix and a comprehensive transition probability matrix; calculating the conditional probability and the posterior probability of each location being the destination based on the off-line calculated data; on-line predicting the destination of the path to be predicted based on the posterior probability. Compared with the existing path prediction method, the method provided by the invention has the advantages that a prediction can be performed even when the data in the training data set is sparse; the calculation process of the prediction is optimized, so that the impact of the non-aftereffect property of Markov chain on the prediction accuracy is reduced; the prediction accuracy is improved; the method can be used for pushing location-related targeted advertisements and deploying criminal arrest plans in advance.

The invention discloses a multilevel multitask parallel decoding algorithm on a multicore processor platform, and provides the multilevel multitask parallel decoding algorithm for effective combination of tasks and data on the multicore processor platform by utilizing the dependency of HEVC data by aiming at the problems of mass data volume of high-definition videos and ultrahigh processing complexity of HEVC decoding. HEVC decoding is divided into two tasks of frame layer entropy decoding and CTU layer data decoding which are processed in parallel by using different granularity; the entropy decoding task is processed in parallel in a frame level mode; the CTU data decoding task is processed in parallel in a CTU data line mode; and each task is performed by an independent thread and bound to an independent core to operate so that the parallel computing performance of a multicore processor can be fully utilized, and real-time parallel decoding of HEVC full high-definition single code stream using no parallel coding technology can be realized. Compared with serial decoding, the decoding parallel acceleration rate can be greatly enhanced and the decoding image quality can be guaranteed by using the multicore parallel algorithm.

The invention discloses an automatic high-precision indoor rapid positioning method. A positioning system comprises a hardware system and a software system, the hardware system comprises a color image acquisition apparatus, a laser speckle projection apparatus, a laser speckle image acquisition apparatus, a holder control apparatus, a communication apparatus, and a central control apparatus, and the software system comprises a laser speckle projection system, a color image and laser speckle image acquisition system, an image processing system, an image matching system, a mode recognition system, a holder control system, a central control system, and a path planning and control system. According to the scheme of the method, software and hardware are combined, an indoor positioning device accomplishes intelligence and systematization of the whole process of personal/household service robot characteristic information acquisition and input, indoor object image acquisition and matching recognition, indoor object positioning, path planning, and robot motion control, and methods of indoor positioning and path planning and control are more accurate and efficient.

The invention provides a shape detection device and method based on a spiral FBG (fiber bragg grating) sensor array, and the device comprises the spiral FBG sensor array, an FBG demodulator, data collection and shape reconstruction equipment, and display equipment. The device does not need other peripheral auxiliary equipment, is not affected by electromagnetic interference, is good in medical compatibility, does not emit rays, and can achieve the long-distance remote monitoring. Through the spiral configuration of the FBG sensor array, the device can achieve the multi-point deformation detection of a single optical fiber, and forms a quasi-distributed detection system. Through the packaging of the optical fiber on a nickel-titanium alloy filament, the device protects a grating point from being worn, is strong in anti-interference capability, and enlarges the detection range. The device can obtain the shape of a flexible robot in real time, and is high in real-time response. Meanwhile, the device detects the curvature and torsion, is simple in detection method, can be used for the shape sensing detection in a gastroscope, colonoscope and a flexible/soft robot, and plays an important role in the flexible robots in the fields of dibaster assistance, medical rehabilitation and national defense security.

The invention belongs to the technical field of wireless communication and wireless positioning, and discloses an indoor positioning method combining ranging and fingerprinting based on a Wi-Fi network, comprising the steps of constructing an annular fingerprint map for an indoor scene and collecting CSI of each target position; utilizing CIR with the capability of distinguishing a multipath cluster and subjected to phase correction and AGC loop compensation processing to perform distance estimation between transmitting and receiving ends; extracting the fingerprint by using the phase difference data between the antennas; when the distance between the transmitting and receiving ends is determined, only needing to process the fingerprint data on the corresponding loop; using MPL to learn the fingerprint set of each loop and obtaining a classification model, wherein the model receives the real-time fingerprint of the online stage and predicts a location which is defined as a target. Theindoor positioning method combining ranging and fingerprinting based on a Wi-Fi network in the invention utilizes the phase correction to carry out ranging with the CIR after being subjected to AGC loop compensation processing, the ranging precision can be improved, the distance is used for determining the corresponding loop, so that the calculation cost of the online stage can be reduced, and thereal-time response capability of the system can be improved.

A process executing method capable of performing multiprocessing by using a shared resource without impairing periodical drivability of processes designed for executing continuous media processing. When a process requests the use of the shared resource, abortion of that process is first disabled by the process itself by using an abort disable function and then preemption of the same process is disabled by means of a preempt control module, whereupon the process enters a processing executed by using the shared resource. Upon completion of the processing for the shared resource, the process is immediately set to a preempt-enabled state by means of a preempt control module. After completion of all the processings, the abort-disabled state is finally cleared by using a disabled-abort clear function. Upon occurrence of forcive termination of a process in the abort-disabled state thereof, execution of this process is continued until the abort-disabled state is cleared, and the process is terminated forcibly after the abort-disabled state has been cleared.

The invention discloses a series hybrid electric aircraft and a control method thereof. The Series hybrid electric aircraft includes a hybrid power system. The hybrid power system includes a power battery, an extended range system and an electrical driving system. The extended range system includes an electric generator and a rotary expansion engine connected with the electric generator and driving the electric generator to generate electricity. The electrical driving system includes a propeller and a driving motor providing driving force for the propeller. The power battery provides power forthe driving motor. The series hybrid electric aircraft of the series hybrid electric aircraft and the control method thereof adopts a series hybrid power system, achieves a design concept of energy saving and environmental protection being a control strategy and a control strategy of whole system power controlling parameters to real-time switch a whole machine, improves the energy demand allocation status of the hybrid power system under different working modes and working conditions, saves energy consumption, reduces environmental pollution and alleviates the energy crisis.

The invention provides a method for realizing physical partition of internal and external networks, and belongs to the field of network security. The method comprises the steps that the external network is provided with first physical partition equipment; the internal network is provided with second physical partition equipment; communication between the internal network and the external network is realized through the first physical partition equipment and the second physical partition equipment; at least one universal serial bus is arranged between the first physical partition equipment and the second physical partition equipment; and the communication between the first physical partition equipment and the second physical partition equipment is realized through the universal serial bus. The method realizes real-time data transmission between the internal network and the external network based on ensuring the security, and improves the real-time data responsiveness of the internal network and the external network greatly.

The invention discloses an audible sound measurement device and method for GIL breakdown positioning. The device comprises an acoustic sensor and a central processing module; the acoustic sensor is arranged along a GIL pipe gallery; and the central processing module is used for: obtaining a plurality of acoustic signals collected by the acoustic sensor, performing real-time preliminary processingon the obtained acoustic signals, extracting acoustic signal data meeting a trigger condition when the acoustic signals are judges as breakdown acoustic signals, and performing calculation to obtain abreakdown location by using a positioning algorithm on the basis of the extracted acoustic signal data. After the breakdown location is obtained, the breakdown location can be fed back to a GIL equipment control system to realize real-time online monitoring of the GIL breakdown positioning.

The invention discloses an integrated wind power generation electrical system. The integrated wind power generation electrical system comprises a wind field central control room, a master control system, a converter, a safety chain, a slip ring and a pitch control system. The master control system comprises a tower bottom cabinet and an engine room cabinet. The tower bottom cabinet comprises a human-computer interface, a switch, a safety CPU, a master control CPU, an I/O module and a safety module. The engine room cabinet comprises a long-distance I/O. The master control CPU is connected with the I/O module. The master control CPU is connected with the converter through optical fibers. The master CPU is connected with the pitch control system by means of a site bus through the slip ring. The master CPU is connected with the safety CPU through the site bus. The safety CPU is connected with the safety module through the site bus. The safety module is connected with the safety chain. The safety chain is connected with the converter. According to the integrated wind power generation electrical system, the control system, the converter and the pitch control system are integrated and designed uniformly, so that the reliability and the real-time performance of the system are improved, and the manufacturing cost and the maintenance cost of the integrated wind power generation electrical system can be reduced.

The invention discloses a cyclic redundancy check algorithm of non-integral byte data. The cyclic redundancy check algorithm of the non-integral byte data comprises obtaining a CRC16 value of a fist byte S0 through directly looking up a table of Crcl6-Table [S0]; performing exclusive or on Bn and a n bits higher CH of the CRC16 value a last byte and performing the exclusive or result as a subscript to be looked up the table to obtain Crcl6-Table [(CH+Bn)]; and performing exclusive or on a n bits left shifted (16-n) bits and the table looked up value Crcl6-Table [(CH+Bn)]. The value relationship of n is that n is equal to 8 when an integral byte CRC 16 is calculated and the n is the actual bite when the CRC 16 which not satisfies a bite. The cyclic redundancy check algorithm of the non-integral byte data has the advantages of being applicable to a situation that input information which is a non-integral byte cannot be calculated according to the bites, greatly improving the calculation efficiency, reducing the calculation time, releasing a large number of CPU (Central Processing Unit) resources and reducing power consumption of the CPU.

The invention discloses a real-time matching method. The real-time matching method is implemented by a system resource management function module, a state management and maintenance function module, a matching computation function module and the like and includes enabling a system to build data models of user objects; storing the modeled user objects in a data structure of a memory; scheduling and shifting the objects and changing states of the objects by a scheduling algorithm; performing scanning and matching computation on the user objects in matching queues according to a matching computation algorithm and matching parameters; updating queue states of the user objects and counting various matching dynamic parameters of the user objects after the user objects are subjected to matching computation; performing the matching algorithm and dynamically adjusting the parameters to adjust integral user resource scheduling for a next computation matching cycle. The data structure contains the queues, lists, arrays and the like. The dynamic parameters include success rates, available system resources and the like. The real-time matching method has the advantage that a core resource scheduling and matching algorithm can be provided for the real-time computation car-sharing application system by a real-time computation matching car-sharing algorithm.

The invention provides an intelligent partial discharge inspection robot. The intelligent partial discharge inspection robot comprises a partial discharge inspection robot, an orbit and a back-stage host computer, wherein a partial discharge detection assembly, a controller and a data collector are arranged on the partial discharge inspection robot; the back-stage host computer communicates with the partial discharge inspection robot through electric carrier waves; the back-stage host computer is used for issuing an inspection command to the inspection robot so that the controller is used forcontrolling the inspection robot to move to an inspection point; the partial discharge detection assembly is used for collecting partial discharge data; a central processor is used for processing thepartial discharge data and storing the processed data into a memory; the partial discharge data are fed back to the back-stage host computer; and after the partial discharge data are completely received by the back-stage host computer, the inspection robot is controlled to move to a next inspection point. The intelligent partial discharge inspection robot provided by the invention solves the problems that the detection cost of online partial discharge is high, the safety of portable partial discharge detection staff is not guaranteed and the reference of detection results is not high.

The invention relates to a mixed type control system of a full-automatic biochemical analyzer, belonging to the technical field of medical instruments. The mixed type control system provided by the invention comprises an upper computer, a middle computer, a sample table module and an analysis module, wherein each node finishes own relatively independent task; the upper computer is connected with the middle computer through an Ethernet; the residual nodes except the node of the upper computer form a controller local area network through a CAN (Controller Area Network)-BUS; and the middle computer can be connected with photoelectric data acquisition nodes through RS-232C on as many as 8 paths. By arranging different control nodes according to the function unit of the full-automatic biochemical analyzer, the programming of each control node can be simplified, and each node can autonomously decide to finish the task, thereby enhancing the real-time response capability of each control node; the failure of signal node does not influence the control of other nodes and is beneficial to the elimination of the failure and the simplification of the production process; the data information and the control information are separately transmitted, thereby enhancing the communication efficiency of the system; and the mixed type control system provided by the invention is convenient for the expansion of analysis modules and simplifies the comprehensive wiring in the instrument.

The invention discloses a streetscape image semantic segmentation system and segmentation method, electronic equipment and a computer readable medium. The segmentation method comprises the following steps: step 1, acquiring a streetscape image and carrying out preprocessing and data enhancement on the streetscape image; step 2, encoding the streetscape image into an output feature map by using an encoder; step 3, collecting features of the last three output feature maps by using a multi-level feature combined up-sampling module, and fusing the features to obtain a second output feature map; 4, converting the second output feature map into a third output feature map; 5, inputting the third output feature map into a convolution classifier to obtain a semantic segmentation feature value; step 6, performing end-to-end training by using a back propagation algorithm to obtain a streetscape image semantic segmentation model; and 7, performing semantic segmentation on the streetscape image by using the streetscape image semantic segmentation model. According to the method, under the condition that semantic segmentation precision is not reduced, the speed of network segmentation is increased, and the real-time response capability of the method in application is enhanced.

The invention relates to the technical field of field buses, and specifically provides a mixed-protocol two-stage topological structure based field bus system and a construction method thereof. The system is that a first-stage bus structure is a bus type topological structure formed by a Nic-Net main station and a Nic-Net main slave station through a first-stage bus Nic-BUS; a second-stage bus structure is a star shaped topological structure formed by a Nic-Net main slave station and a Nic-Net secondary slave station through a second-stage bus NicLink; the Nic-Net main station comprises a bus application layer, a data link layer and a physical layer; the first-stage bus NicBUS adopts time determination data link control protocol; the Nic-Net main slave station comprises a NicBUS slave station and a NicLink main station; the Nic-Net secondary slave station comprises a bus application layer, a data link layer and a physical layer; two layers of buses NicLink between the Nic-Net main slave station and the Nic-Net secondary slave station adopts the time determination data link control protocol. According to the system, the field bus has the advantages of being high in real-time response performance and high in reliability, and supporting expandability of heterogeneous field buses; the topological structure has the characteristics of being clear in layers, and combining the advantages of the bus type and star type structures.

The invention discloses a seabed dissolved CO2 gas detection method and system based on a photonic crystal fiber. The method comprises the steps of (1) separating gas in seawater from the seawater, (2) judging the type and concentration of gas to be detected, and (3) obtaining a pure useful signal in direct proportion to the CO2 concentration of detected gas to characterize CO2 concentration information. The system comprises a sampling device, a laser, a beam splitter, a measurement light path and a reference light path, the sampling device is connected with the measurement light path, the laser is connected with a laser driver, the beam splitter is arranged at a light outlet end of the laser, output light of the beam splitter is connected with the measurement light path and the referencelight path through a single-mode optical fiber. By monitoring the content of CO2 in surrounding seawater in real time, that the CO2 leakage at a seabed can be immediately detected is ensured, and theproblem that the separation and measurement precision of CO2 dissolved in the seawater cannot meet the requirements is solved.

The invention discloses a building method of allocating management operational channel, which is fit for data communication between remote equipment and main equipment through logic allocating management operation C& M channel to communicate data, wherein the logic C& M channel is divided into one public C& M channel and multiple specific C& M channels. The invention also provides a communicating method of net equipment to communicate data between remote equipment and main equipment through allocating management operation C& channel, which comprises the following steps: A. obtaining corresponding specific allocating managing operational channel number through remote equipment; B. communicating according to the specific allocating managing operational channel and main equipment. The invention reduces the disposal load on each joint effectively, which improves the real-time respond ability and broad band utility of the system.