124results about How to "Effective constraints" patented technology

An energy storage device having both characteristics of super capacitor and lithium ion battery and manufacturing method thereof are provided. The invention adopts the mixture of anode material of lithium ion battery and electrode material of super capacitor or composite material as anode active substance, and uses the mixture of cathode material of the lithium ion battery and electrode material of the super capacitor or composite material as cathode active substance. In the electrode active substance, the electrode material of the lithium ion battery has a content of 20% to 95%; the electrode material of the super capacitor has a content of 5% to 80%. The electrode active substance is mixed with the bonder, conducting agent, additive and solvent etc to prepare slurry, then experience steps of coating, drying, roll forming, parting, so that the anode sheet and cathode sheet of the super capacitance battery are produced. By adopting multi-core winding parallel connection and the assembling technology of the winded wore parallel to the narrow arrangement, the anode sheet, the cathode sheet and the membrane are loaded in the battery shell and then welded, dried, dehydrated, and injected with electrolyte, then activated by electricity to obtain super capacitance battery with high energy density and high power density.

The present invention relates generally to the field of electro-optical modulating displays, for example, electrophoretic displays, and more particularly to a display having an array of stacked cells. In particular, the invention discloses the use of a electrical field isolation layer between the stacked arrays of microcells, , or alternative means, for reducing or eliminating cross-talk between the microcells in vertically adjacent layers of the stacked display.

Embodiments of the disclosure include an apparatus and methods for using a piezoelectric device, that includes an outer flextensional casing, a first cell and a last cell serially coupled to each other and coupled to the outer flextensional casing such that each cell having a flextensional cell structure and each cell receives an input force and provides an output force that is amplified based on the input force. The apparatus further includes a piezoelectric stack coupled to each cell such that the piezoelectric stack of each cell provides piezoelectric energy based on the output force for each cell. Further, the last cell receives an input force that is the output force from the first cell and the last cell provides an output apparatus force In addition, the piezoelectric energy harvested is based on the output apparatus force. Moreover, the apparatus provides displacement based on the output apparatus force.

The invention provides a stator used for a motor, the motor and a ventilation cooling method of the motor. The stator used for the motor comprises concentrated windings and at least two wedge blocks arranged at the gaps between the adjacent concentrated windings. The at least two wedge blocks are distributed on the concentrated windings in a staggered mode to form a first ventilation path. According to the stator used for the motor, the motor and the ventilation cooling method of the motor, the concentrated windings can be cooled effectively, the concentrated windings are effectively constrained in the circumferential direction through the at least two wedge blocks, the service life of the motor is further prolonged, and the reliability of the motor is improved.

The invention discloses a mean-line-based blade front and back edge fitting and section line smooth reconstruction method. The method is used for solving the technical problem that an existing method is poor in practicability. According to the technical scheme, on the basis of a fitting problem of front and back edge measuring points, a restrained least square fitting method is built for fitting of front and back edges meeting the design requirement. Different from unrestraint least square method front and back edge fitting, the method adopts a mean line as constraint conditions for front and back edge fitting, the restrained least square method is built, a Gauss-Newton method is used for iterative solving, finally, a fitting front and back edge curve approximating the designed front and back edges is obtained, front edge radius errors are lowered to 0.007% from original 0.670%, and the back edge radius errors are lowered to 0.062% from original 1.018%. The fitting front and back edge and the blade back and blade basin achieve smooth connection, and the smooth section line curve is built. The method has the advantages of being high in calculation precision, high in convergence rate and effective in constraint.

The invention discloses a convenient video chat method and a video chat system realized based on a social network, aiming at providing to users with a method and a system that can be used simply and conveniently, do not need any complex and inconvenient identity authentication and can dynamically establish a chat room by a browser so as to realize the real-time network communication among the users. Simultaneously the reliability among the users is increased and the transparency and the trust among the users in the chat room can be improved indirectly as the system adopts the spreading way that the user recommends and invites other users to joint in the appointed network chat room. Therefore, the joining mode of idle network users in the registering/non-registering way can be effectively restricted, and the idler users and bad users that spread illegal information in general chat rooms can be effectively constrained and controlled.

The embodiment of the invention discloses an image segmentation model training method and device, an image segmentation method and device, electronic equipment and a medium. According to one specificembodiment of the invention, the method comprises the steps that: a training sample is selected from a training sample set, wherein the training sample comprises a sample image and a label of the sample image, wherein the label comprises a segmentation result of the sample image and contour information of the sample image; the sample image of the selected training sample is inputted into an imagesegmentation model, so that an actual segmentation result and actual contour information can be obtained; the difference between the actual segmentation result and the segmentation result in the labelis determined based on a preset loss function, so that a first loss value is obtained; based on the loss function, the difference between the actual contour information and the contour information inthe label is determined, so that a second loss value is obtained; and in response to determining that the image segmentation model is not trained completely, parameters of the image segmentation model are adjusted based on the first loss value and the second loss value. With the method of the embodiment adopted, the accuracy of the model segmentation result is improved.

The present invention is applicable to the field of information push, and provides a method and device for estimating the click-through rate of an advertisement. The method includes: obtaining user characteristics and advertisement characteristics of advertisement information to be pushed, and encoding to obtain user characteristic vectors and advertisement characteristic vectors; The limited BFGS algorithm uses interactive fixed parameters to iteratively calculate the weight vector in the logistic regression algorithm; estimates the click-through rate of the advertisement information according to the weight vector, user feature vector and advertisement feature vector. Compared with the prior art, the method of iterating through interactive fixed parameters in the present invention can effectively constrain the parameters and avoid the over-fitting problem in the logistic regression algorithm, thereby improving the efficiency of estimating the click-through rate of advertisements and improving the accuracy of estimating .

A thin keymat module with a reflection structure includes a circuit board with a plurality of elastic conductive elements, a mirror reflection sheet, a transparent elastic layer, a keymat layer and a light-emitting unit. The mirror reflection sheet is disposed on the circuit board, evenly corresponding to the elastic conductive elements. The mirror reflection sheet has a reflection microstructure corresponding to the elastic conductive elements. The transparent elastic layer is disposed on the mirror reflection sheet and has elastic portions corresponding to the elastic conductive elements. The keymat layer is disposed on the transparent elastic layer and has transparent portions corresponding to the elastic portions. The light-emitting unit is located on one side of the transparent elastic layer. When the light-emitting unit projects light onto the mirror reflection sheet and the reflection microstructure, each elastic portion and each transparent portion have a light displaying effect.

The invention discloses a flexible pipeline for undersea oil transportation and gas transportation, which comprises a cable and a flexible pipe for oil transportation and gas transportation. An anchor pile assembly for being connected with the seabed and a binding assembly for binding the flexible pipe are arranged on the cable in sequence. The anchor pile assembly comprises a first fixture and apipe pile hinged together, the first fixture is connected with the cable, and the pipe pile is inserted and fixed on the seabed. The binding assembly comprises a binding belt and a second fixture arranged on both ends of the binding belt, the end parts of the second fixture are provided with locating slots, and the cable is clamped and fixed in the locating slots. The flexible pipe is sheathed inthe binding belt of which the head and the tail are connected on the cable. The flexible pipeline provided by the invention is safe, reliable and convenient and easy to construct and has the advantages of high construction speed and low cost.

To provide an air bag apparatus for a small size vehicle, wherein a seat for a driver is provided at a rear portion of a vehicle body and an instrument panel, which a driver on the seat can visually observe is provided at a front portion of the vehicle body. The air bag apparatus assures a wide range of inflation and expansion of an air bag and can be applied to a conventional small size vehicle without a significant design change. A plurality of air bags which can constrain a driver on a seat from a forward direction are connected to each other by a connection mechanism and are accommodated in a folded state in an instrument panel.

The invention discloses a planar magnetic-control sputtering target improving utilization efficiency. The planar magnetic-control sputtering target is characterized by comprising a target magnetron jacket; the bottom surface of the target magnetron jacket is connected with a cover plate; cooling water is filled between the cover plate and the target magnetron jacket; a magnetic forehead is arranged in the target magnetron jacket; limber holes are formed on the magnetic forehead which is provided with permanent magnets; target strips are arranged on the target magnetron jacket and a target fixed block is arranged outside the target strips; the target strips are arranged in parallel at intervals and are overlapped; the surfaces of the target strips are flat; target screening cases are arranged outside the target magnetron jacket and the target fixed block; and the magnetic poles of permanent magnets which are arranged in the target magnetron jacket and connected with the magnetic forehead are arranged in parallel in a sequence of NSN or SNS and are perpendicular to the surfaces of the target strips.

The invention discloses an in-service structure optimal maintenance design method based on convex model time-variation reliability. The method comprehensively considers the influence of uncertainty under the time effect to the in-service structural mechanic behavior. At first, time-variation uncertainty parameters are characterized by defining the convex model process, and the explicit expression of the limit state function characteristic quantities is deduced; based on the spanning theory of vibration mechanics and the structure non-probabilistic reliability model, the time-variation reliability index of the in-service structure based on the convex model is defined; furthermore, by taking the relationship between the maintenance cost and the service life of the structure into account, an in-service structure reliability design model is built based on the optimal maintenance decision; and by taking the reliability as the optimization target and maintenance time as the design variable, and repeating iterations through an intelligent optimization algorithm, the optimal maintenance and reinforcement design scheme for the drafted service period structure can be finally obtained.

The invention discloses a prefabricated integral type shear wall. The prefabricated integral type shear wall comprises an upper wall body and a lower wall body; cylindrical reserved holes are vertically formed in two ends of the bottom of the upper wall body; vertical spiral stirrups with same heights are arranged in the reserved holes; exhaust vents which are communicated with the outside are formed in the top ends of the reserved holes; grouting holes which are communicated with the outside are formed in the lower parts of the reserved holes; vertical steel bars at the inner sides in edge constructional elements in the lower wall body extend out of the top of the lower wall body and then are bundled in groups, and the multiple grouped steel bar bunches are respectively inserted into the corresponding reserved holes till to be up to the tops of the reserved holes; and concrete mortar is filed between each steel bar bunch and each reserved hole. The prefabricated integral type shear wall has the advantages of being capable of reducing the construction difficulty of overlapping joint of the steel bar bunches, effectively restricting concrete in a compressive zone and being used for the overlapping joint among the vertical steel bars in a prefabricated integral type concrete shear wall system.

The invention relates to a dynamic colored pedestrian zebra crossing which can be paved, which is characterized in that the zebra crossing is integrally made as carpet-type zebra crossing applicable to being paved on the ground. The zebra crossing is provided with a base material layer of which one surface is combined with electroluminescent materials forming banding markers of the zebra crossing. Furthermore, the electroluminescent materials are connected with a controller which is used for controlling the zebra crossing to change colors. The zebra crossing can realize the dynamic color switching and can be paved in a carpet manner, thereby improving the sensory stimulation of people and having the functions of better reminding and caution and being easier to alert people so as to ensure the safety of pedestrians and vehicles. Furthermore, the zebra crossing has good integral decoration so as to have functions of beautifying and prettifying cities.

The invention discloses a low loss antiradiation dual refracting photonic crystal fiber, which relates to the field of a photonic crystal fiber and comprises a center fiber core; an air pore layer, a quartz cladding layer and a coating layer are arranged at the outer part of the center fiber core in sequence from inside to outside; the center fiber core comprises a pure silicon fiber core and a deep doped fluorine concave inner cladding layer coating the outside of the pure silicon fiber core; the air pore layer comprises four layers of rings consisted of air pores from inside to outside, the first layer of ring consists of two large air pores and multiple small air pores; each of the second layer of ring, the third layer of ring and the fourth layer of ring consists of multiple small air pores; the air pores of the four layers of rings are all arrayed in a regular hexagonal manner. All air pores are connected by a quartz connecting wall. While realizing dual refracting, the photonic crystal fiber has very low loss and antiradiation performance, and can meet the use demands of special environment application occasions such as aerospace.

The invention discloses an electro beam ejection restraint method and device under a strong magnetic field. The method comprises the following steps: an electric field is additionally arranged in a magnetic field and forms a potential trap configuration along the direction of the magnetic field, a drifting field is formed in a direction vertical to the magnetic field, and in the potential trap, an electro beam does reciprocating movement along the direction of a magnetic line under the action of electric field force component, and traverses the magnetic line at drifting speed of the electric field in direction vertical to the magnetic line. The device comprises a cathode plate, an anode plate, a cathode, and a first and second trap pole plate. In the method, through restraint of the potential trap, the electron beam is restrained effectively in a direction parallel to the magnetic field and traverses the magnetic field at the drifting speed of the electric field. For the device, after the cathode generates the electro beam, the electron beam is well restrained in a direction parallel to the magnetic field and traverses the magnetic without drift along the magnetic line and influence on the original magnetic field configuration, so that the ejection efficiency is high, and the process is simply and feasibly realized.

The invention discloses a general railway technology operation confirmation and information reporting display system and method, and relates to an information reporting display system and method, and the system comprises a database management module, a main control module, a system interface module, a simulation operation system, an operation display system, and an electronic wire occupation board system. The database management module is used for recording and storing all railway operation information by utilizing a database and updating data in real time; the simulation operation system is used for completing simulation operation of each operation; the electronic line occupation board system provides dynamic display of sub-pages, a main station yard graph is formed through pre-input data, and the main graph of the electronic line occupation board is changed through data change in later-stage manufacturing. The work display system is used for displaying the arrangement position of work. According to the invention, the problems of complex message reporting, disordered reporting content and difficult recording can be solved, the railway operation and information reporting efficiency can be improved, the safety of the production operation can be ensured, the universalization of the electronic wire occupation board is realized, and the popularization and application are easy.

The invention discloses a seabed oil and gas transportation hose line fixed on the basis of an anchor pier, comprising a cable and a hose for transporting oil and gas, wherein the cable is sequentially provided with an anchor pier component preventing a hose line from drifting on a seabed, and a restrain component for restraining the hose, and the anchor pier component comprises a gravity block and a first clamp which is connected with the cable. In the seabed oil and gas transportation hose line, the hose is adopted for transporting the oil and the gas, and as the cable is sequentially provided with the anchor pier component and the restrain component for restraining the hose, the hose can be restrained effectively, thereby realizing the reliable transportation of the oil and the gas, and preventing the hose from drifting on the seabed with large displacement. The seabed oil and gas transportation hose line can protect the hose well, is firm and reliable, reliable to install, and convenient and fast in construction and has a low cost.

The invention discloses a supporting pier system of an FLNG upper module. The supporting pier system comprises a first supporting pier body, a second supporting pier body, a third supporting pier body and a fourth supporting pier body which are arranged on four angular points of the bottom of the upper module; the first supporting pier body and the fourth supporting pier body are arranged in a diagonal manner; the upper surface of one supporting pier body is in sliding contact with a supporting post of the upper module; the upper surface of the other supporting pier body is fixedly connected with the supporting post of the upper module; the second supporting pier body and the third supporting pier body are arranged in the diagonal manner; the upper surface of one supporting pier body is in sliding contact with the supporting post of the upper module, and is equipped with a baffle plate for limiting the upper module from moving in a boat breadth direction; and the upper surface of the other supporting pier body is in sliding contact with the supporting post of the upper mould, and is equipped with a baffle plate for limiting the upper module from moving in a boat length direction. According to the supporting pier system disclosed by the invention, a relative limiting layout mode is adopted, so that influences, on the module, of boat motion can be greatly reduced, and an integral operation efficiency coefficient and a safety coefficient of the FNLG are improved.

A method of obtaining a three-dimensional deformation of an organ which is deformable over time and extends in a three-dimensional space from at least two sets of data (DS(t1), DS(t2)) representing points of said organ and corresponding to distinct times (t1, t2) in the deformation of the organ. A correspondence (SEL(t1,t2)) between the points in the sets of data being determined (COR), said method uses a definition (DEF) of notional planes (Pi) on which there are defined explicit equations (EQi) of the deformation of the organ including unknown parameters (PARi(t1, t2)). The parameters (PARi(t1, t2)) are calculated (CAL) for each equation (EQi) and the explicit equations (Esp.) obtained are then utilized (EXT) in order to define the deformation in the three-dimensional space (DEF3D(t1,t2)) by weighting functions defined for the points in the space.

The invention provides a device and a method for realizing real-time positioning and mapping. The implementation device comprises an image acquisition unit which is configured to acquire a color image and a depth image of a surrounding environment; an initial pose estimation unit configured to estimate an initial pose based on the color image and the depth image; a map construction unit configured to construct a three-dimensional map based on the depth image and the color image; and the pose determination unit is configured to determine a final pose based on the initial pose and the three-dimensional map.