35results about How to "Avoid high dependency" patented technology

The invention discloses a travelling safe guarantee dispatching method and system for an electric power tunnel routing inspection robot. The method comprises the steps that a dispatching center collects robot position information through a position collecting device mounted on the robot and monitors the position of the robot in real time; when it is found that the robot moves to the position awayfrom a firefighting door by a first set range, the dispatching center collects the open-close state of the current firefighting door through a monitoring terminal; the dispatching center determines the open-close state of the firefighting door for the first time; according to the open-close state of the firefighting door, the dispatching center sends an open-close instruction to the firefighting door through the monitoring terminal, and meanwhile the dispatching center sends an instruction of advancing continuing or stopping to the robot; if the robot continues advancing, when the position collecting device of the robot collects the information that the robot enters into a second set range of the firefighting door, the robot communicates with a controller of the current firefighting door,and the robot determines the open-close state of the firefighting door for the second time; and according to the open-close state of the firefighting door, the robot sends the instruction of advancingcontinuing or stopping to the robot.

The invention belongs to the technical field of automatic driving vehicles, and discloses a self-adaptive vehicle following method, device and equipment of an automatic driving vehicle and a storage medium. The method comprises the following steps: when an obstacle exists in a current driving path, acquiring an obstacle distance with the obstacle; obtaining an emergency braking distance corresponding to the current vehicle speed according to the emergency braking distance curve, and comparing the obstacle distance with the emergency braking distance; when the obstacle distance is greater thanthe emergency braking distance, acquiring a preset vehicle following safety distance corresponding to the current vehicle speed; determining an expected vehicle speed according to a preset vehicle following safety distance and a preset vehicle following safety distance formula; and carrying out segmented braking according to the difference value between the expected vehicle speed and the current vehicle speed so as to realize self-adaptive vehicle following. According to the method, the expected vehicle speed under the preset vehicle following safety distance is deduced through a formula, segmented braking is conducted based on the difference value between the expected vehicle speed and the current vehicle speed, dependence on the number of sensor signals and signal quality is reduced, andthe self-adaptive vehicle following function is achieved.

Provided is a wood plastic tray with an electronic tag embedded. The wood plastic tray with the electronic tag embedded comprises at least three bottom boards (3) which are arranged in parallel, supports (1) arranged at the two ends and the middle of each bottom board (3) respectively, at least three upper bed boards (2) which are arranged on the supports (1) and are in 90-degree intersection with the bottom boards, and a set of cross boards (5) which are laid on the upper bed boards and are in 90-degree intersection with the upper bed boards; countersunk bolts (6) of the bottom boards (3), the supports (1), the upper bed boards (2) and the cross boards (5) penetrate through the corresponding positions of the supports so that the bottom boards, the supports, the upper bed boards and the cross boards can be fixedly connect to form the tray. A groove used for installation of the electronic tag is formed in the outer side face and / or the interior of the supports; the supports (1), the bottom boards (3), the upper bed boards (2) and the cross boards (5) are all made of wood plastic materials. The wood plastic tray with the electronic tag embedded is easy to assemble and disassemble, stable in structure, flexible, easy and convenient to use, capable of well protecting the electronic tag against damage when goods are conveyed, and high in environmental protection value.

The invention relates to a test platform of a flash memory chip, and the test platform is characterized in that: the test platform sequentially comprises a test working face (47), a vacuumizing assembly (46), a horizontal rotating sliding block (45), a horizontal rotating outer frame (44), a front-back moving sliding block (43), a left-right moving sliding block (42), a test platform base (41) and a test machine base (31) from top to bottom. According to the test platform, electric equipment is adopted, physical power consumption of hand-cranking lifting of an operator is solved, the problems of high speed, low speed, yield fluctuation and efficiency loss of manual operation are also solved, and the equipment utilization rate is greatly improved.

The invention relates to a self-installation type offshore booster station structure which is safe and high in efficiency, saves cost and has low requirements on ship machine equipment. The technical scheme is that the self-installation type offshore booster station structure comprises at least four steel piles which are vertically and regularly arranged, a guide pipe support fixedly installed above the steel piles and a booster station upper equipment assembly block installed on the guide pipe support, wherein the lower ends of the steel piles stretch deep into a supporting layer under a sea bed. The booster station structure is characterized in that a hoisting mechanism used for hoisting the upper equipment assembly block is arranged at the top end of the guide pipe support. The upper equipment assembly block is defined into an annular shape in splicing mode through a branch assembly block I and a branch assembly block II and is coaxially fixedly sleeved on the periphery of the guide pipe support. The structure is suitable for the field of ocean engineering like offshore wind power generation.

The invention discloses a SLAM closed loop detection method based on a particle swarm optimization algorithm, and mainly solves the problems that a Bag-of-Word method in the existing closed loop detection technology is complex in an offline training process; the detection method comprises the following steps: 1, determining whether an obtained current frame image is the key frame image or not; 2,calculating descriptors of the current key frame image; 3, determining whether the current key frame image is the first frame key frame image or not; 4, creating a frame image description sub-library;5, expanding the frame image description sub-library; 6, determining whether the key frame image number in the frame image description sub-library equals to 50 or not; 7, obtaining the optimal frameimage; 8, matching the current key frame image with the optimal frame image; 9, determining whether the violence matching pair number equals to 25 or not; 10, outputting the optimal frame image satisfying closed loop conditions.

The invention relates to a buoyancy type mounting method for an offshore boosting station, which aims to be safe and high-efficiency, save expense and have low requirements on ship machines and equipment. The technical scheme includes that the buoyancy type mounting method for the offshore boosting station is characterized by comprising steps of a, building the offshore boosting station on the land; b, sliding the offshore boosting station on a barge, conveying the offshore boosting station to a specified mounting position, judging whether the bottom of a support of the offshore boosting station is higher than the top end of a foundation or not, executing a step d if the bottom of the support of the offshore boosting station is higher than the top end of the foundation, and executing a step c if the bottom of the support of the offshore boosting station is not higher than the top end of the foundation; c, controlling the barge to ascend; d, leading the barge to move into a gap of the middle of the foundation and positioning the barge; e, controlling the barge to descend, placing the support of the offshore boosting station on the foundation, simultaneously, leading the barge to continue descending until the barge is separated from the offshore boosting station, and then dragging the barge out from the bottom of the offshore boosting station; and f, welding the support with the foundation. The buoyancy type mounting method is applicable to the field of offshore wind power generation.

The present application relates to a contact vibration photon sensor utilizing the Doppler effect and a manufacturing method thereof. A contact vibration photon sensor utilizing the Doppler effect, comprising an outer encapsulation layer (9), and the outer encapsulation layer (9) also includes: a silicon-based material (1) and a mirror body (2); the silicon-based material (1) A cavity (11) formed by surrounding the side wall (10) including a side wall (10) and a top opening; the mirror body (2) is arranged in the cavity (11), and the mirror body ( 2) The top has a mirror layer (21), and the side of the mirror body (2) is connected to the side wall (10) through a cantilever beam (22), and the cantilever beam (22) is spring-shaped. The contact vibration photon sensor of the present application utilizes the Doppler effect to provide accurate precision, uses a spring-shaped cantilever beam, can increase the amplitude of the mirror body (2), and improves the sensitivity of the sensor when sensing vibration.

The invention provides a knowledge base question and answer method in the electric power field, including: performing part-of-speech tagging and syntactic analysis on the questions obtained in the electric power field to obtain the question sentence representation of the electric power field question; based on a pre-built key phrase recognition model Identify the question expression of the question in the electric power field, and obtain the key entities and key attribute phrases of the question in the electric power field; based on the key entities and key attribute phrases, search in the knowledge base of the electric power field to obtain the question. The key phrase recognition model includes: training the open domain question to obtain key entities and key attribute phrases corresponding to the open domain question, and the present invention avoids the high dependence on terms in the power domain model training in the prior art , the knowledge base question answering in the electric power field can be realized only by using the readily available open-domain resources.

The invention relates to artificial intelligence, and provides an inquiry dialogue data processing method and device based on artificial intelligence, and the method comprises the steps: obtaining target inquiry dialogue data corresponding to a target user identification; extracting disease description information from the target inquiry dialogue data; inputting the target inquiry dialogue data and the disease description information into a processing model together, and outputting a plurality of candidate symptom description texts through the processing model; selecting candidate symptom description texts matched with the target inquiry dialogue data in logic relation from the candidate symptom description texts to obtain target symptom description texts; and generating inquiry response data matched with the target symptom description text and outputting the inquiry response data. By adopting the method, the inquiry conversation cost can be reduced. In addition, the invention also relates to a blockchain technology, and the target inquiry session data of the user can be stored in the blockchain.

The invention discloses a full-color video display correction processing method and system. The correction processing method comprises the steps that a video signal source respectively outputs a standard full-red measuring signal, a standard full-green measuring signal and a standard full-blue measuring signal to display equipment; a chrominance gauge collects the color coordinate and the brightness value of each pixel point in a specific display area; color space conversion is conducted on the color coordinate and the brightness value of each pixel point so as to generate tri-stimulus values; the average tri-stimulus value is calculated; the average tri-stimulus value is expressed by the adoption of the visual mode of a CIE1931 color space chromaticity diagram; a mouse dragging signal of a user is received so as to obtain set color coordinates and set brightness values; color space conversion is conducted on the set color coordinates and the set brightness values so as to generate set tri-stimulus value; a conversion matrix is calculated; after the video signals are received, the video signals are multiplied with the conversion matrix, and the processed video signals are sent into the display equipment to be displayed. By the implementation of the technical scheme, the picture colors displayed by the different display equipment are uniform.

The invention discloses a pressurized self-balancing grinding machine with ultra-large rolls. The pressurized self-balancing grinding machine comprises a seat and a grinding ring arranged on the seat, wherein a grinding roll component is arranged in the grinding ring; the grinding roll component is driven to work through a central rotor arranged at the central position of the seat; the grinding roll component is composed of an inner grinding roll and an outer grinding roll in a sleeving manner; a rotary bearing is arranged between the combined surfaces of the inner grinding roll and the outer grinding roll; a shaft hole is horizontally formed in a central rotor located in a central hole of the inner grinding roll; the two ends of a rotary shaft arranged in the shaft hole in a penetrating manner extend to the sidewall of the inner grinding roll; and inner grinding roll thrust devices are arranged in blind holes which are symmetrically formed in central rotors located at an upper position and a lower position of the rotary shaft in a staggered manner respectively. The pressurized self-balancing grinding machine disclosed by the invention is ingenious and reasonable in structure, and gets rid of the design limit that the size of the grinding roll component of the grinding machine cannot be greater than 1 / 2 of the diameter of the grinding ring; the diameter of the grinding roll component theoretically can be close to the dimension of the inner diameter of the grinding ring; and compared with the traditional structure, the grinding roll component with an ultra-large structure is capable of achieving much engaging-in of materials, high in efficiency, and high in yield.

The invention discloses a sunshade type double-silver low-emissivity coated glass and a preparation method thereof. The sunshade type double-silver low-emission coated glass comprises a glass substrate, a first silicon-aluminum alloy film, and a second zinc-aluminum alloy film which are sequentially and tightly laminated. alloy film; the third silver film; the fourth nickel-cadmium alloy film; the fifth silicon-aluminum alloy film; the sixth zinc-aluminum alloy film; the seventh silver film; the eighth nickel-cadmium alloy film; The preparation method comprises steps: 1) sintering target material; 2) pretreatment of glass; 3) coating treatment. The present invention is a double-silver low-emissivity coated glass made by light interference of various metal materials on an ordinary colorless and transparent float glass substrate. The reflected color is light gray under sunlight, which can achieve good decoration and energy-saving effects; The product can be processed in different places to reduce the manufacturing cost of processing enterprises; it can also be made into insulating glass to achieve better light control and energy saving effects.

The invention discloses a method for measuring the gas saturation of a gas hydrate, which comprises the following steps that dimensionless treatment is performed on peak intensity integration of characteristic peaks of gas molecules in the hydrate by taking the characteristic peaks of water molecules in the gas hydrate as reference peaks; namely, the ratio of the peak intensity integral of the characteristic peak of the gas in the hydrate to the peak intensity integral of the characteristic peak of the water molecule in the hydrate is calculated, and the relative peak intensity integral of thecharacteristic peak of the gas molecule in the hydrate is obtained; meanwhile, the gas saturation of the hydrate is quantitatively calculated by means of macroscopic measurement, a function of relative peak intensity integration of characteristic peaks of gas molecules in the hydrate to the gas content in the hydrate is established, and the gas saturation of the gas hydrate is calculated. The problem that the gas saturation of the gas hydrate cannot be rapidly and accurately measured for a long time in the field of gas hydrate research is solved, and the method has important significance in research in the aspects of rapid quantitative measurement of the gas saturation of the natural gas hydrate, evaluation of gas reserves in natural gas hydrate reservoirs and the like.

The invention discloses a travelling safe guarantee dispatching method and system for an electric power tunnel routing inspection robot. The method comprises the steps that a dispatching center collects robot position information through a position collecting device mounted on the robot and monitors the position of the robot in real time; when it is found that the robot moves to the position awayfrom a firefighting door by a first set range, the dispatching center collects the open-close state of the current firefighting door through a monitoring terminal; the dispatching center determines the open-close state of the firefighting door for the first time; according to the open-close state of the firefighting door, the dispatching center sends an open-close instruction to the firefighting door through the monitoring terminal, and meanwhile the dispatching center sends an instruction of advancing continuing or stopping to the robot; if the robot continues advancing, when the position collecting device of the robot collects the information that the robot enters into a second set range of the firefighting door, the robot communicates with a controller of the current firefighting door,and the robot determines the open-close state of the firefighting door for the second time; and according to the open-close state of the firefighting door, the robot sends the instruction of advancingcontinuing or stopping to the robot.

The invention provides a method for obtaining RCS precision of a radar corner reflector. Aiming at the limitation of a conventional radar corner reflector RCS precision measuring method, the method comprises the steps of: utilizing a three-dimensional measuring instrument to obtain a precise three-dimensional model of the radar corner reflector to be detected; then utilizing an RCS emulator to calculates a RCS of the three-dimensional model of the radar corner reflector to be detected; and finally comparing the RCS with an RCS theoretical value, and measuring the deviation degree of the practical RCS of the radar corner reflector to the RCS theoretical value. According to the invention, the method is better than a radar direct measuring method and a geometric calculation method in flexibility and precision, the cost is not increased too much, and the popularization and application value is relatively good.

The invention discloses a Dask cluster-oriented dynamic data blocking method based on local weighted linear regression, which comprises the following steps of: dividing a to-be-processed large-scale data set into a sub-data set for block size optimization and a remaining to-be-processed sub-data set, and processing the block size corresponding to each sub-data set for block size optimization to obtain a large-scale data block set for block size optimization; a local weighted linear regression algorithm is adopted to accurately and dynamically estimate the size of a block corresponding to each remaining to-be-processed sub-data set online according to the size of the block corresponding to each processed sub-data set and consumed time. According to the method, the problems of high dependence on artificial experience and time-consuming and labor-consuming offline training are solved, the method can better adapt to changes of the data set, the parallel application program and the cluster environment, and the efficiency of processing the large-scale data set in the Dask cluster is improved to a certain extent.