57results about How to "Clearly describe" patented technology

The invention provides an automobile automatic driving test case generation method based on scenes and tasks, and the method comprises the following steps: 1), selecting typical traffic behaviors in acomplex and multi-element road traffic scene, and constructing a test task library; 2) defining terms of a traffic scene and related elements thereof, describing concepts, attributes and hierarchicalrelationships of scene elements, and constructing an ontology model of the road traffic scene; 3) generating a traffic scene based on the traffic scene model and the traffic behavior task library, the traffic scene being generally composed of a plurality of traffic participants, a specific time-space road environment and a traffic scene, and generally including a plurality of driving tasks; and 4) further describing a traffic scene in detail by defining a parameter range and correlation of variables in the state space, and selecting representative discrete values for combination by applying boundary value analysis, equivalence class division and other methods in software testing to generate a plurality of test cases.

The invention aims at an automatic driving scene, and provides a high-precision three-dimensional point cloud map construction method based on low-cost equipment, and the method comprises the steps: sequentially carrying out the five steps: point cloud preprocessing, inter-frame registration, key frame screening, gps and imu data fusion and key frame pose optimization construction on a low-cost three-dimensional point cloud map construction platform, and generating a three-dimensional point cloud map. The platform is composed of a laser point cloud acquisition unit, an imu data acquisition unit, a gps data acquisition unit and a computing platform, wherein the laser point cloud acquisition unit adopts a 16-line or 32-line laser radar. The gps data acquisition unit adopts low-cost gps withan error level of meter and provides low-frequency latitude and longitude information for the system. And the imu data acquisition unit provides high-frequency acceleration and angular velocity information for the system. According to the method, low-cost mapping equipment is used in cooperation with a brand new mapping algorithm, and the construction cost of the three-dimensional point cloud mapis saved on the premise that the same precision is met.

The invention relates to a method for realizing a DDS service on an embedded sensor access platform, and the method comprises the steps: taking embedded hardware as the sensor access platform, carrying an embedded real-time operation system, and carrying out the message communication with a data processing unit through employing the DDS service. According to the invention, the sensor access platform is constructed based on an embedded manner, so that low-cost hardware redundancy backup can be realized; meanwhile, DDS service is realized based on an embedded mode, complete DDS service is formedwith the data processing unit, and a perfect abnormal recovery mechanism is provided.

The invention discloses an automatic reply generation method for an open domain dialogue system, and aims to enable the dialogue system to automatically generate a reply statement which conforms to semantics and contains information quantity according to an input statement of a user. The method comprises the following steps: firstly, constructing a dialogue corpus, preprocessing input and reply statements of each sample to obtain word vector sequences of the input and reply statements, and respectively inputting the word vector sequences into two encoders to obtain semantic representation vectors of the input and reply statements; secondly, retrieving knowledge graphs containing entity words in a knowledge base according to the entity words contained in the input statement, and calculatinga vector of each knowledge graph; thirdly, fusing the knowledge graph vector with the semantic representation vectors of the input statement and the reply statement through two fusion networks, and inputting the fused vectors into a decoder to generate the reply statement; fourthly, training a reply automatic generation model based on a corpus; and finally, for a new input statement, utilizing the reply automatic generation model to generate a reply.

The invention discloses a user information view construction method. The method comprises the following steps of capturing an information item from a database according to a pre-configured information entry, and determining a user corresponding to the information item; selecting a corresponding label for the information item from a pre-configured label set according to identification information of the database, the information entry and content of the information item; and constructing an information view of the user according to the information item and the corresponding label. The invention furthermore discloses a user information view construction system. According to the method and system, the constructed user information view not only comprises user information integrated according to requirements, but also is well organized, is capable of clearly describing the user profiles without manual screening, and is strong in practicability.

The invention provides a detection system for normal-pressure cutter replacement of a shield tunneling machine. The detection system comprises a temperature sensor, a rotation sensor, a stress sensorand a wear detection hydraulic sensor and is used for monitoring the state of a hob cutter of the shield tunneling machine in real time, wherein the temperature sensor is used for indirectly judging whether abnormal phenomena such as non-uniform wear occur to the hob; the rotation sensor is used for judging whether the states such as chuck clamping and eccentric wear occur to the hob; the stress sensor is used for judging whether a bearing of the hob is worn or a cutter ring is cracked; and the wear detection hydraulic sensor is used for detecting whether the wear of the cutter reaches a wearcritical value. According to the detection system, based on the hob wear mechanism, the temperature sensor, the rotation sensor, the stress sensor and the wear detection hydraulic sensor are combinedand adopted to monitor the whole states such as the temperature, the rotation, the stress and the wear of the hob cutter in real time, and a visual interface is used for displaying relevant state information to help constructors and drivers to judge whether the cutter is replaced.

The invention discloses a holographic grating preparation system and method. The holographic grating preparation system comprises: a light source and a holographic material, a beam expanding device which is arranged on a light path between the light source and the holographic material and is used for expanding the passing light beam; a light splitting device which is used for splitting a source light beam emitted by the light source into a first split light beam and a second split light beam; a first light reflecting device and a second light reflecting device which are respectively used for reflecting the first split light beam and the second split light beam to the holographic material; a movable baffle plate which is arranged between the beam expanding device and the holographic material, wherein the movable baffle plate moves according to preset parameters to change the cross sectional areas of the light beams emitted to the holographic material by the first light splitting light beam and the second light splitting light beam; a control system which is used for controlling the movable baffle to move according to preset parameters; and a holographic material which is used for being exposed by interference fringes formed by the first split light beam and the second split light beam to form a holographic grating. According to the invention, the high-quality holographic grating with variable diffraction efficiency can be prepared.

The invention discloses an emotion reply automatic generation method for an open domain dialogue system, and aims to enable the dialogue system to automatically generate replies rich in content and appropriate in emotion according to input statements of a user. The method comprises the following steps: firstly, preprocessing input and reply statements of each sample in a corpus based on a word embedding table and a VAD sentiment dictionary to obtain an input and reply word embedding sequence and a sentiment embedding sequence; secondly, splicing word embedding and emotion embedding to expand word embedding, introducing replied emotion distribution information into the model, and encoding a spliced sequence in an encoder to obtain input and replied semantic representation vectors containing emotion information; and finally, predicting approximation of conditional prior distribution and posteriori distribution by using semantic representation vectors, sampling latent variables, and reconstructing replies and emotion distribution of the replies through the latent variables. When reply statements are generated, multiple replies are generated through multiple times of sampling, then the sequences are combined with the sequence model and the VAD dictionary, automatic scoring is conducted from the perspective of grammar, semantics and emotion of the replies, and the optimal reply isselected.

The invention provides a human bone morphogenetic protein 2. The human bone morphogenetic protein 2 is mature peptide and has an amino acid sequence which is represented by SEQ ID NO:2 or is obtained by adding, deleting and/or substituting one or several amino acid residues on the sequence represented by SEQ ID NO:2. The invention further provides a pharmaceutical composition which contains the human bone morphogenetic protein 2 and is used for promoting differentiation and calcification of bones.

The invention provides a method for obtaining the height of a point cloud pavement in Unity. The method comprises the steps of obtaining a point cloud map of a whole scene, segmenting the point cloudmap to obtain a plurality of blocks, carrying out point cloud height calculation on each block of point cloud, outputting a result and the like, and exporting height information of each block of pointcloud to obtain height information required by a road surface. According to the method, the advantages of the Unity engine are fully utilized; the point cloud ground height information can be rapidlyand accurately generated, data flow processing is accelerated by utilizing some parallel processing methods, the point cloud road surface height information and subsequently added road surface elements can be automatically obtained, the point cloud road surface height information and subsequently added road surface elements can be automatically attached to the road surface, the workload requiredby manual adjustment is greatly reduced, and the probability of personal errors is also reduced.

The invention belongs to the technical field of automatic driving and data processing, and relates to a method for efficiently simulating a laser radar in Unity, which comprises the steps of initializing the laser radar data, updating the ray instructions, carrying out the batch ray detection, screening the effective ray, converting and outputting data and the like. The method provides a solutionwith short calculation time and high customizable degree for the laser radar simulation in the field of automatic driving simulation.

The invention relates to a method for operating a hydrodynamic retarder having at least one working chamber that is filled with a working medium in braking mode, and substantially emptied in non-braking mode. According to the invention, a prescribed amount of working medium is pulsingly brought into the working chamber of the retarder in non-braking mode. This can occur either constantly, or as a function of suitable measurement variables.

The invention provides a method for measuring the permeability coefficient of an asphalt concrete binding layer. The method includes the steps that a first layer of asphalt concrete and a second layerof the asphalt concrete are compacted and formed in a steel mold successively, a columnar asphalt concrete binding layer sample with a central hole is prepared, the horizontal seepage of the sample is measured by a triaxial seepage testing machine, and permeability parameters are obtained. According to the method for measuring the permeability coefficient of the asphalt concrete binding layer, the asphalt concrete sample with a certain diameter of an inner hole is prepared, the convenience is brought for measurement of the permeability coefficient of the asphalt concrete under three-dimensional stress, and the key technical problems of measurement of the permeability coefficients of hydraulic engineering asphalt concrete core-wall binding layers are solved.

The invention provides a visual inertia odometer based on a hardware accelerator. The visual inertia odometer installed on an autonomous driving vehicle comprises an embedded hardware platform, a camera and an inertial measurement unit. An image signal processor and a hardware accelerator are arranged in the embedded hardware platform; the image signal processor is used for processing image information acquired by the camera; the inertial measurement unit measures the vehicle body state information of the vehicle in real time; and the hardware accelerator is used for detecting feature points in the image information, calculating adjacent key frames, carrying out data fusion on the key frames as the starting and ending points and the vehicle body state information, and calculating current position information of the relative starting point of the vehicle. According to the invention, the vehicle-level SOC with the image signal processor and hardware accelerator is used for processing image data and the data are combined with IMU input data, so that the processing efficiency and precision are high. Besides, the embedded platform has characteristics of high stability, great easiness inmounting, and low power consumption and is suitable for the r autonomous driving technology.

The invention belongs to the field of flow measurement, and provides an external clamping-type sensor parameterized installation method. An adjustable fixing device is used to install the external clamping-type sensor on the surface of a measured pipeline. The device comprises a fixed frame, a movable frame, radial screw rods, knobs and axial sliding rails, wherein the middle and the two ends of the U-shaped structure of the frame are provided with screw rod holes and sliding rail holes; the radial screw rods and the knobs are installed at the screw rod holes; and the axial sliding rails are installed at the sliding rail holes in the fixed frame and the movable frame to connect the two. The installation method comprises main steps of initial state calibration, installation parameter determination and sensor installation by the adjustable device. parameterization of the installation process and quantitative adjustment of the installation parameters are realized at the same time, the principle is concise, the operation is easy, the installation precision and the operation efficiency of the sensor can be greatly improved, and the applicability and the reusability are excellent.

The invention discloses an anti-corrosion treatment method of a workpiece for manufacturing a guardrail. The anti-corrosion treatment method comprises the steps that the workpiece is subjected to wiredrawing treatment, and line patterns are formed on the surface of the workpiece; the workpiece is completely immersed into a pickling solution, the pickling time is 20 to 30 minutes, and dirt and impurities after wire drawing are removed; the pickled workpiece is cleaned, and the cleaning time is 3 to 5 minutes; the workpiece is completely immersed into a phosphating solution, a phosphating filmis formed on the surface of the workpiece, and the phosphating time is 10 to 30 minutes; drying is conducted, the drying temperature is 110 to 120 DEG C, and the drying time is 30 minutes; electrostatic powder spraying is conducted, a zinc coating layer is formed on the surface of the workpiece, and the thickness of the coating layer is 60 to 80 [mu]m; and baking is conducted, the baking temperature is 180 to 200 DEG C, and the baking time is 30 minutes. Through the process, a layer of high-adhesion zinc coated anti-corrosion layer with high adhesion is formed on the surface of the stainless steel workpiece and is not likely to peel off, the brightness is low, and the problem of light pollution is solved.

The invention relates to the field of washtub cabinets and particularly relates to an intelligent disinfection washtub cabinet. The cabinet comprises a cabinet body, a tub body, a multi-pipeline faucet body, a 3D sensor, a pumping system, a water control system and an intelligent controller, wherein the tub body is embedded in the upper portion of the cabinet body, and the multi-pipeline faucet body is located above the tub body; the multi-pipeline faucet body is provided with a water outlet and two liquid outlets; the 3D sensor is located on the top of the multi-pipeline faucet body; two liquid pipelines, two pumping brackets and two bottle bodies are arranged in the pumping system; the pumping support is provided with a liquid level sensor and a card reading unit, and the pumping support is connected with the multi-pipeline faucet body through a pipeline; the bottle body is provided with an RFID radio frequency chip; the water control system is provided with a water mixing electromagnetic valve and a flow meter; the intelligent controller processes 3D gesture sensing signals, liquid level signals and RFID signal recognition, controls the types of discharged water or pumped liquid, and transmits the operation and state information to a client APP in a WLAN/WIFI mode so that solution consumption statistics and centralized management are facilitated. The intelligent disinfection washing basin cabinet is reasonable in design and convenient to use, the hand washing modes of disinfectant, detergent, hand cream and water can be selected without contact, sanitation requirements of public places such as medical treatment, catering and airports can be met, germ cross infection and secondary pollution are prevented, centralized management is facilitated, and energy consumption is reduced.

The invention provides a novel anti-human CD79b monoclonal antibody and a conjugate of the monoclonal antibody and homoharringtonine, and the monoclonal antibody is used for resisting cancer or tumors. In addition, the invention further relates to a preparation method of the chemical product, a pharmaceutical composition, medical application and the like.

The invention relates to the application of spinel ferrite magnetic nano-catalysts in oil desulfurization, which belongs to the field of petrochemical industry. The invention first utilizes co-precipitation M ²⁺ and Fe ³⁺ Chloride to prepare MFe ₂ o ₄ Ferrite magnetic nano-catalyst, the prepared catalyst has a strong structure, high temperature resistance, and is not easy to agglomerate; it is used in the process of oxidative extraction and desulfurization, with high reactivity, good desulfurization effect, convenient recovery, and good catalyst reuse effect; it can not only catalyze hydrogen peroxide as the oxidant The oxidative extraction desulfurization process can also catalyze the desulfurization process using the easy-to-obtain inorganic persulfate directly as the oxidant.

The invention provides an edible sunflower stalk cutting and disc inserting machine and a full-automatic edible sunflower stalk cutting and disc inserting method, and belongs to the field of agricultural harvesting machinery. The machine comprises a stalk cutting device, a disc conveying and stalk pulling device, a stalk poking device and a disc inserting device which are installed on a rack, thestalk cutting device cuts off edible sunflower stalks in a waist blocking mode, the disc conveying and stalk pulling device separates and cuts off edible sunflower discs on the upper sections of the edible sunflower stalks, and the stalk poking device guides the disc inserting device to insert the edible sunflower trays into the lower sections of the cut edible sunflower stalks. Cutting of ediblesunflower stalks, separation of edible sunflower discs and the edible sunflower stalks and conveying and disc inserting actions of the edible sunflower discs are automatically completed through mechanical transmission, the structure is compact, time and labor are saved, the labor intensity is remarkably relieved, and the machine is suitable for large-area field operation.

The invention belongs to the technical field of road network navigation, and provides a method for searching and optimizing laser radar positioning by a radius. A multi-thread programming scheme is employed, input GPS coordinate is used as a center in an another thread, N pose parameters are generated by a method F within a range of the radius being R and height being H, and matching is constantlytried and ended until set matching accuracy S is met. The method is used for positioning a position, needed to be positioned, of a vehicle, local road distribution and vehicle arrival region information are inquired in database by GPS rough coordinate, the post which the vehicle cannot reach is filtered when forecast post is generated, the number of the forecast post can be greatly reduced, so that matching accuracy and speed are improved.

The invention provides an FRP (fiber reinforced plastic) membrane shell for reinforcing bridge piers and pile foundations. The FRP membrane shell is of a cylindrical structure formed by splicing a plurality of prefabricated FRP pipe pieces through quick connecting hasps at the edges of the pipe pieces, and each FRP pipe piece is provided with a fiber cloth outer layer, a grid middle layer and resin filled in the fiber cloth and grids. The membrane shell is applied to underwater structure reinforcing construction, wherein the FRP membrane shell is assembled above the water surface through the quick connecting hasps, sinks to surround underwater piers and pile foundations and is filled with concrete. By means of the advantages of light weight, corrosion resistance, easiness in forming and the like of the FRP, the FRP is applied to underwater structure reinforcement, so that the pier and pile foundation reinforcement construction efficiency is improved, and the bearing capacity, the anti-seismic property and the durability of the pier are also enhanced.