30results about How to "Accurate support" patented technology

The present invention belongs to the technical field of traffic, and especially relates to a method for achieving vehicle source prediction by calculating an O-D flow based on mobile phone data. The method comprises: a first step of mining position information of mobile phone data; a second step of building a resident travel model based on the mobile phone data; a third step of estimating a motor vehicle travel O-D matrix; a fourth step of predicting urban road vehicle sources of the resident travel model based on traffic demands; and a fifth step of analyzing vehicle source distribution leading to jam based on a vehicle source prediction theory. The method of the present invention can provide faster and more accurate information support for traffic organization and allocation, and provides an economic and feasible new method for traffic demand prediction.

The invention discloses an Internet of things card traffic pool monitoring method and device and a computer readable memory medium. The Internet of things card traffic pool monitoring method comprisesthe following steps of acquiring Internet of things card data from a database periodically, and determining a calculation rule of month contribution traffic of each Internet of things card accordingto a life cycle of each Internet of things card in the Internet of things card data; calculating a month contribution traffic value of each Internet of things card in a current month according to thecalculation rule of the month contribution traffic of each Internet of things card; and adding the month contribution traffic value of each Internet of things card in the current month, thereby determining a size of an Internet of things card traffic pool. According to the method, the device and the computer readable memory medium, the size of the Internet of things card traffic pool can be accurately monitored, the precise support for the operation of the Internet of things cards is provided, and the monthly accumulated traffic pool of the Internet of things cards in each month are monitoredin real time.

The invention discloses a method and system of closed loop assessment for pipe body defects of a long-distance oil and gas pipeline, and relates to the technical field of pipeline systems. The assessment method comprises the following steps: 1) beginning; 2) recognizing and assessing the pipe body defects; 3) examining and verifying; 4) if the examination and verification are not pass, returning to recognize and assess the pipe body defects, and if the examination and verification pass, moving to a database firstly and then conducting defect repairing; 5) examining and verifying; 6) if the examination and verification are not pass, returning to defect repairing, and if the examination and verification pass, moving to the database firstly and conducting item-removing assessment; 7) finishing. According to the invention, a closed loop monitoring of defect recognizing and assessing, defect repairing and defect item-removing assessment for a pipe body can be achieved, the operation process of the defect closed loop assessment is simplified, related service information is integrated, accurate and reliable data support is provided for service management and decision, and defect item removing effect is effectively assessed.

The invention relates to a green Chinese onion three-grain plug seedling miss-seeding detection method and a reseeding device. The reseeding device comprises a hole pressing device and a drum-type seeding device which are arranged on a workbench, and an image recognition device, a needle-type reseeding device and a conveying belt which are arranged on the workbench, wherein the conveying belt is used for driving a plug to move. The hole pressing device, the drum-type seeding device, the image recognition device and the needle-type reseeding device are sequentially arranged along the moving direction of the plug. The miss-seeding condition of plug holes is recognized through the image recognition device, and the recognition accuracy is improved. A photoelectric sensor is mounted to determine the information of the position passing through the plug, so that accurate position information support is provided for the needle type reseeding device; mutually independent seed suction heads arearranged on a seeding rod, and air suction and air outlet of an electromagnetic valve are utilized, so that reseeding operation is carried out on each plug hole in the plug, the reseeding accuracy isimproved, and the reseeding reliability is also improved.

The present invention relates to a tool (10), a cutting insert (13) and a shim (12) for cutting machining. The tool comprises a holder for turning or milling, a shim (12) and an indexable cutting insert (13). The shim has an upper side and the cutting insert has a lower side. The lower side comprises protrusions (29A,29B). The cutting insert and the shim are provided to abut against each other in three points. The upper side of the shim comprises recesses (21,22). The recesses (21,22) are provided spaced from the projections (29A,29B).

The invention discloses a stretcher with cardiopulmonary resuscitation and cooperative control functions, which comprises a stretcher body and a flexible adhesive tape, a pressing mechanism, an oxygenpump, a breathing mask, an electrocardio monitoring electrode, a display screen, a control system and a lithium battery, which are arranged on the stretcher body. the control system is connected witheach component through an ARM data bus and drives the driving mechanism according to the vital signs of a patient so that the pressing mechanism presses the heart and lung of the patient; if necessary, the output vantage of a defibrillation electrode is cooperatively controlled to carry out defibrillation on the heart of the patient; if necessary, the oxygen pump is cooperatively controlled to output oxygen, so as to perform oxygen supply operation on the patient and assist the patient to breathe. The stretcher integrates the functions of a respirator and cardiopulmonary resuscitation and electrocardio monitoring, cooperatively controls and applies cardiopulmonary resuscitation, defibrillation and auxiliary respiration to the patient according to the resuscitation effect and vital signs of the patient, and provides science, reliable and accurate support for various operations in the transportation process of a critical patient.

The invention discloses a high-precision well-seismic data matching method, which is characterized in that the method can accurately match well data content corresponding to a minimum-resolution seismic grid and makes a reservoir mark. The method realizes high-precision well-seismic data matching, can confirm the number and location of well data corresponding to each seismic grid, and realizes high-precision seismic grid data labels; the reservoir and non-reservoir are not expressed by 0 and 1; and each seismic grid reservoir label is floating-point data within the range from 0 to 1, and accurate sample point support can be provided for machine learning.

A method of folding is provided for folding an airbag including a vehicle-side wall, a driver-side wall, an inlet opening formed in the vehicle-side wall and a mounting seat disposed in a periphery ofthe opening. The method includes a first process conducted in a first direction and a second process conducted in a second direction orthogonal to the former. The first process includes an initial folding that folds back each of opposite sides in the first direction of the airbag as flattened with respect to the mounting seat towards the mounting seat, a rolling that rolls the airbag towards themounting seat from creases formed in the initial folding, and an invaginating that invaginates each of resulting rolled regions between the vehicle-side and driver-side walls. The second process foldsup opposite sides in the second direction of the airbag with respect to the mounting seat each towards the mounting seat.

The invention discloses high-frequency test equipment for a filter. The high-frequency test equipment is provided with a rack, a loading mechanism and a test mechanism, wherein a limiting part is arranged, so that the filter can be accurately stopped on a predetermined position in a slide channel, and a high-frequency test head which moves along predetermined track can accurately abut against a pin of the filter, and therefore, high-frequency test precision of the high-frequency test equipment for the filter is improved; a mounting inclined surface is arranged, so that the filter slides into the slide channel from a jig accommodating slot under action of dead load, and the filter can slide along the predetermined track in the slide channel; the mounting inclined surface and the loading mechanism are co-arranged, so that the filter can slide along the predetermined track, and the filter only can slide onto the predetermined test position in the slide channel one by one, and therefore, complexity of loading the filters one by one manually is avoided, a tester is further prevented from being injured by the pin of the filter, and the pin of the filter is also prevented from being accidently bent by too great stress.

The invention discloses a film sticking machine. The structure of the film sticking machine comprises a body, a control box, a processor, a film sticking board and a slider; the control box is arranged in front of the body; the slider is installed above the body; the lower part of the slider is connected with the film sticking board through a connecting shaft; the body is mechanically connected with the processor; the processor consists of a cleaner, an adjuster, and a support; and the cleaner is slidably connected with the adjuster. According to the film sticking machine disclosed by the invention, impurities are adhered by an adhesive block on an adhesive chamber; when a rotating hammer is connected with the adhesive block in hammering manner, the adhesive block is made to jump by shakeproduced by a spring; impurities on a mobile phone are adhered through upward and downward jump; the surface of the adhesive block is a protruding hemispheroid; when the adhesive block is used for adhering the impurities in a jumping way, the contact area between the viscous surface and a screen is reduced, thus the problem that the equipment cannot move forwards because the contact surface is toolarge, the viscosity is increased and the adhesive block is totally attached to the screen of the mobile phone when the viscous surface is in contact with the screen of the mobile phone is prevented.

The invention provides a protection chain mechanism and a caterpillar band walking device. The protection chain mechanism is used for preventing a chain track from being released from a supporting wheel and comprises two protection plates which are oppositely arranged on the outer sides of flanges at the two ends of the supporting wheel at interval, wherein a caterpillar band chain track is limited between the two protection plats and is supported by the supporting wheel; opposite surfaces of the two protection plates are provided with two stopping plates located on the two sides of the flanges of the supporting wheel respectively; and the upper ends of the stopping plates are higher than the tops of the flanges of the supporting wheel, so that a phenomenon that the caterpillar band chain track jumps onto the flanges of the supporting wheel, and further steps over the protection plates to leave away from the track can be prevented.

The invention discloses a test system, test bench, test tray and suspension device of an electric drive assembly. The suspension device comprises a first fixing part, a first suspension part and a second suspension part, wherein the first fixing part is used for fixing a motor, and the outline of the first fixing part is matched with the outline of a suspension part of the motor; the first suspension part and a first suspension structure are arranged on the same side, the first suspension part is provided with a second fixing part used for fixing one side of a reduction gearbox, and the outline of the second fixing part is matched with the outline of a suspension part on one side of the reduction gearbox; the second suspension part is provided with a first positioning part used for assisting in positioning of the other side of the reduction gearbox and a third fixing part used for fixing the other side of the reduction gearbox, and the outline of the third fixing part is matched with the outline of the other side of the reduction gearbox. The test system, test bench, test tray and suspension device of the electric drive assembly can stably and accurately fix the electric drive assembly, accurately simulate a vehicle loading posture and ensure the reliability of a test.

The invention provides a prediction system of comfort of a sleeping product. The system comprises a sleeping product thermal insulation database, a model establishing module, a model verification module, a parameterization research module, a prediction module and a recommendation module. The establishment of the system includes following steps: S1, establishing a sleeping human body comfort prediction model; S2, determining a boundary condition and substituting the boundary condition into the established model, and modifying output data until an error between experiment data and the output data is within 7%; S3, performing parameterization research; S4, obtaining a prediction system of the comfort of the sleeping product based on a chart line relation between parameters of the sleeping product, human body factors and environmental factors obtained in S3; and S5, recommending the sleeping product used in a specific environment based on the prediction system of the comfort of the sleeping product obtained in S4 to ensure the sleeping comfort of the human body. According to the prediction system of the comfort of the sleeping product, the comfort of the sleeping product can be more scientifically and accurately predicted.

The invention relates to a switch (2), in particular steering-columns for motor vehicles, having a housing (20) and having a switching component (6) which is retained in a movable manner in the housing (20) and can be influenced via an actuating member (4), the switching component (6) having a guide (38) which encloses a control part (24), the control part (24) interacting with a housing-mounted cam (22), and an elastic ring element (36) being arranged between the guide (38) and the control part (24).

The invention provides a lane detection method and system based on connected region extraction and key point fitting, and relates to the technical field of traffic environment perception. The method comprises the following steps: firstly, acquiring lane line pixels by using a lane line segmentation model based on a pre-acquired traffic image; performing instance segmentation on the pixels of the lane line based on a depth-first traversal algorithm to obtain alternative pixel points of the lane line; then, lane line key points are extracted based on the lane line alternative pixel points, and a lane line is fitted based on the lane line key points; and finally, extracting a convex boundary based on the lane line, and obtaining a safe driving area of the traffic image based on the convex boundary. According to the method, the lane line pixels can be accurately segmented from the complex traffic image, efficient and accurate instance segmentation can be performed on the lane line, the unmanned safe driving area is finally extracted, and the problem that traffic environment perception cannot be efficiently and accurately performed in a real and complex road condition environment in the prior art is solved.

Disclosed are a life-saving device and a diving device. The life-saving device comprises a housing and a Beidou communication terminal. The housing has a first outer surface, which faces toward a Beidou satellite when a user uses the life-saving device. The Beidou communication terminal is disposed in the housing and connected in a sealing manner with the housing, and is used for communication with the Beidou satellite and transmitting location information to the outside. The Beidou communication terminal is connected with one end, in the length direction, of the first outer surface, and is arranged at an angle of 35-55 degrees with an extending direction of the one end, in the length direction, of the first outer surface. According to the invention, when the life-saving device is in use, the Beidou communication terminal faces almost perpendicular to the Beidou satellite, with a radio frequency gain attenuation degree of 0.1dB, and the radio frequency signal transmitting ability of the Beidou communication terminal is improved.