2643results about How to "Flexible structure" patented technology

The invention provides a manufacturing cloud system for supporting on-demand use and dynamic collaboration of manufacturing resources and manufacturing capacities, which is used for solving the problems that the use ratio of resources is low, the sharing of the manufacturing capacities is insufficient, effective business operation management measures are short and the like in the process of manufacturing enterprise informatization in China. Aiming at the characteristics of the manufacturing resources and the actual demands of an enterprise for a cloud manufacturing service platform, and according to the lifeline of a cloud service life cycle, the manufacturing resources and the manufacturing capacity in the manufacturing cloud system are designed and stated in five system modules namely intellisense, virtual access, virtual resource servicesation, deployment of cloud services, and integrated management of the cloud services, thus meeting the demand of the on-demand use and the dynamic collaboration of the manufacturing resources and the manufacturing capacities. The manufacturing cloud system has the advantages that the intellisense, the servicesation of the manufacturing capacities and service life cycle demands which are accessed to the manufacturing resources are supported, the intelligence is supported, the services are shared on demand, the system structure is flexible, the levels are distinct, and the expandability is strong.

The invention discloses a microwave three-dimensional imaging method based on a rotary antenna array, and relates to a microwave imaging technology. The method comprises the following steps of: generating an electromagnetic signal by a signal transmitting module; driving an antenna array module which is distributed in a straight line form or a curved line form to rate by a mechanical scanning module, meanwhile, controlling the antenna array module by a switch array module to transmit an electromagnetic signal at the same time, and receiving a signal which is reflected back from an observation target by a back wave receiving module; converting a reflecting signal into a digital signal by an analogue-digital conversion module; and using the digital signal as back wave data acquired by an array element position of the corresponding antenna array; imaging the back wave data by a data processing module to acquire a three-dimensional complex image of the observation target; and displaying the three-dimensional complex image of the observation target by a display module. The imaging method disclosed by the invention is used for application fields of human body surface microwave image acquisition and safe detection, three-dimensional data acquisition of a human body and action based on actual circumstances, nondestructive testing, radar target imaging diagnosis and the like.

The invention provides a distributed multi-sensor mobile robot system, which comprises an upper-layer control part constructed by a duel-core processor in digital media SOC DMSoC and a customized embedded system framework, a bottom-layer control part consisting of a plurality of DSP units. Various units of the upper-layer control part and the bottom-layer control part are connected through a bus to form a distributed control network and realize parallel processing of functional units of a robot. In the system, the upper-layer control part is constructed by high-performance special DMSoC processor and the customized embedded system framework, the bottom-layer control part consists of the plurality of DSP units, and the various units can realize parallel processing and achieve local networkcommunications through the high-speed reliable CAN bus. The system has high-speed data processing capacity and real-time data communication capacity, reduces the size of a mobile robot platform, costand power consumption of the system, improves the extensibility and facilitates the application extending of the mobile robot.

The Technology described herein applies to medical dressings designed to heal wounds in the area of advanced wound care, inclusive of Negative Pressure Wound Therapy (NPWT), and describes novel wound healing absorbent scaffolds and dressing based on natural and naturally-derived material and fibers, preferentially poly (lactic) acid fibers and alginate materials.

A method to incorporate the steady-state model of the generalized power flow controller into a Newton-Raphson power flow algorithm is disclosed. The disclosed method adopts a flexible steady-state model of the generalized power flow controller, which can be applied to calculate the power flow solution of a power grid embedded with STATCOM, UPFC, GUPFC and the generalized power flow controller in a single framework. The disclosed method only incorporates the control variables of the shunt voltage sourced converter into the state vector of Newton-Raphson power flow algorithm. The increment of state variables due to incorporating the generalized power flow controller is less than the prior art. Further, the method can preserve the quadratic convergence characteristic of the Newton-Raphson power flow algorithm after embedding the generalized power flow controller into a power grid.

This invention relates to a system for the accessing and sharing remote devices based on Internet including: an Internet, a user terminal, a terminal of a device owner, a remote device access control server and multiple device control unit servers connected by the Internet and multiple control computers in different LAN, which are connected with the shared device and installed with an applied program managing and controlling the operation of said shared device, the control servers are connected with all control computers by the LAN to provide a unified I / O interface to the applied programs of the computers so as to realize access and share to the remote device, which provides a simple method for accessing and sharing remote devices: converting the access to the remote device to that to the computer applied program controlling remote devices.

The invention relates to automatic control technologies and particularly relates to a scattered material measurement technology and a material piling and taking control technology in a circular material field to improve measurement efficiency of the scattered materials and furthermore realize material piling and taking control according to measurement results. A scattered material measurement system in the circular material field comprises a drive device, a two-dimension scanner, a data processor and a measurement controller, wherein the drive device operates along a circular track built in the upper portion space of the circular material field, and the two-dimension scanner is arranged below the drive device in a lifting mode. Material piling and taking control further comprises a central control room server and the like. The scattered material measurement technology and the material piling and taking control technology in the circular material field can realize whole-course automatic control, scan the circular material field by utilizing a two-dimension laser scanner which is loaded by a circular dome track trolley, and conducts gang control with a material piling and taking machine, and therefore avoids the defects that when the measurement device is arranged on the material piling and taking machine, measurement can be conducted only after the material piling and taking machine stops working, and measure efficiency is improved.

Provided are a method and device for building a security-based environment that uses an eUICC. A method of building a trust relationship in an eUICC environment includes transmitting, by a trust requesting object, a trust relationship requesting message including identification information and signature information of the trust requesting object to a trust verifying object, delivering, by the trust verifying object, the trust relationship requesting message to a trust relationship relay object and receiving trust information of the trust requesting object corresponding to the trust relationship requesting message from the trust relationship relay object, and verifying, by the trust verifying object, the signature information of the trust requesting object using the trust information of the trust requesting object.

The invention discloses a RFID (radio frequency identification devices)-assisted subway train position detecting and accurate parking system which can be used for timely correcting the position detection result of the existing rail transit train. The system comprises a vehicle-mounted reader-writer, a radio frequency antenna, a plurality of ground electronic labels, a train information processing unit and a background main system, wherein the vehicle-mounted reader-writer is arranged at the head of a subway train and is connected with the train information processing unit; the radio frequency antenna is arranged at the center of the bottom at the head of the train and is arranged right above the center line of a track; and the ground electronic labels with different spacing distances are arranged on the center line of the track. After the invention is used, the real-time detection of the subway train position and the accurate parking of the train can be realized, the length of a station can be effectively shortened due to an accurate train parking technology, therefore, the investment cost can be saved, the system can be furthest matched with a screen door of a station, so as to convenient for a passenger to get on and off, and meet the trip comfortableness requirement of the passenger.

The invention discloses a parallel mechanism capable of realizing four-degree-of-freedom movement. The mechanism is characterized in that a subangle mechanism or the combination of the subangle mechanism and a parallelogram structure is adopted for a moving platform, thus the moving platform is of a rhombus structure, the relative positions of virtual central points of the structure are not changed, and only the deformation movement of relative extension and compression along the diagonal direction can be performed. The mechanism provided by the invention has the advantages of flexible movement, uniform stress, high movement accuracy; the relative movement is converted into rotation movement of an actuator through an angular magnification mechanism, moving pairs are not used in the mechanism, the defects such as nonuniform stress, great friction, short service life and the like are avoided, the integral structure has good rigidity and stability, high-speed movement can be realized easily, and requirements of complex grabbing operations are satisfied; and the mechanism has high reorganization, multiple configurations can be realized, and the clamping and rotation operations can be implemented, thus multiple choices are provided for practical applications.

The invention provides a metal microneedle array which comprises a substrate, a metal sheet fixed on the surface of the substrate, and / or one metal sheet with one side edge embedded into the substrate, and / or at least two metal sheets which are arranged at certain intervals and fixed on the surface of the substrate, and / or at least two metal sheets with one side edge embedded into the substrate, wherein at least two metal sheets with one side edge embedded into the substrate are arranged at certain intervals. A microneedle array protruding outward is arranged on the edge of at least one side of each metal sheet, and at least comprises two microneedles arranged at certain intervals, the microneedles protrude out of the surface of the substrate, the microneedles are perpendicular to the surface of the substrate or the microneedles tilt to the surface of the substrate by the predetermined angle, the microneedles are perpendicular to a principal plane in which a center area of each metal sheet exists, or the microneedles share the same plane with the principal plane, and one end of each mironeedle is a needle point.

An insert for vapor-permeable and waterproof soles, which has a stratified and cohesive monolithic sheet-like structure, which includes a plurality of functional layers made of a polymeric material that is impermeable to water in the liquid state and permeable to water vapor. At least one functional portion of the insert for soles has such a thickness as to give it a penetration resistance of more than approximately 10 N, assessed according to the method presented in chapter 5.8.2 of the ISO 20344-2004 standard.

The invention relates to an evaluation object extraction method based on a domain dictionary and semantic roles and belongs to the field of natural language processing application technologies. The evaluation object extraction method based on the domain dictionary and the semantic role comprises the following steps that firstly, according to the information of the part of speech, dependency information and semantic role information, the domain dictionary DL of evaluation objects is established; secondly, the characteristics in the four aspects of words, dependency, relative positions and the semantic roles are fully extracted, model training and prediction are carried out on the DL and the characteristics through conditional random fields (CRFs), and then the extraction of the evaluation objects is completed. Compared with the prior art, according to the characteristics that the structures of Chinese sentences, especially Chinese sentences of microblogs and forum evaluation information are flexible and diverse, the constructive methods are variable, and the number of the characteristics of the sentences is small, the syntax of different levels and the semantic information are fully utilized, the advantages of the evaluation object extraction method based on rules and machine learning are also utilized, the evaluation object with a high confidence coefficient is found from a corpus automatically, rapidly and accurately, and the accuracy of extraction of the evaluation objects of the Chinese sentences is improved.

The invention discloses a variable-track-gauge wheel set and a locking mechanism thereof. The locking mechanism of the variable-track-gauge wheel set is arranged between a wheel hub and a wheel axle and used for locking wheels at different positions of the wheel axle to adjust the distance between the two wheels. A guiding structure for guiding the wheels to move axially is arranged on the wheel axle, and the locking mechanism adjusts the wheels to designated positions and then locks the wheels at the designated positions. On the premise that a variable track gauge is achieved, it is ensured that the wheel set has enough flexibility, reliability and accuracy.

The invention discloses a multi-agent and heterogeneous communication technology based micro-grid intelligent measuring and controlling terminal, a multi-agent system and a measuring and controlling method of the multi-agent system. An element Agent, a micro-grid Agent and an upper-stage power grid Agent form a micro-grid multi-agent system. The intelligent measuring and controlling terminal comprises a master control module, a data acquisition module, a protection control output module and a heterogeneous communication module. The data acquisition module acquires real-time data information of base layer elements in the micro grid, the master control module stores and processes the real-time data information and sends the real-time data information to an upper micro-grid Agent through the heterogeneous communication module. Meanwhile, the master control module receives control instructions of the micro-grid Agent through the heterogeneous communication module and transmits the control instructions to the base layer elements in the micro grid through the protection control output module to control the work states of the elements. The intelligent measuring and controlling terminal and method have the advantages of being capable of achieving mutual communication of micro-grid complex heterogeneous communication networks, wireless, small in size, low in power consumption, low in cost and capable of improving the micro-grid safe and stable operation and power generation efficiency greatly.

Provided is a classified-desliming pressurized-feeding three-product dense medium cyclone coal preparation process. The process comprises the steps that wet classification and primary desliming are carried out on raw coal after prescreening, gangue predischarging and breaking are carried out on the raw coal, secondary desliming is carried out on the screen underflow of the raw coal after the screen underflow is concentrated, the oversize products of the secondary desliming and the screen underflow of the primary desliming are together fed in a pressurized three-product cyclone, three products are obtained after separation, and clean coal, middle coal and gangue are obtained after medium separation and dehydration are carried out on the three products. Part of qualified suspension liquid and dilute suspension liquid are obtained when the medium separation is carried out on the three products, magnetic concentrate is obtained after the dilute suspension liquid is recovered by a magnetic separator, and the magnetic concentrate and the qualified suspension liquid are directly fed in a medium blending barrel. The magnetic tailings of the dilute suspension liquid and the undersize mixtures of pre-desliming, the overflow of concentration classifying equipment and a secondary desliming screen enter a coal slime recovery processing system together. The process is high in separation efficiency, flexible in product structure, low in producing and operating cost and prone to achieving the large-scale single system, the modularization and the integrating intellectualization of plant layout.

The invention discloses a solar mango picking machine, and belongs to the technical field of new energy mechanical equipment. The solar mango picking machine comprises a bottom plate, a solar power generation system, a scissors fork type lifting mechanism, a rotating mechanism, a swing mechanism, a telescoping mechanism, a flexible terminal executor and a mango collecting fence. The solar power generation system provides electric energy for the picking machine; the scissors fork type lifting mechanism is used for meeting requirements of picking of mangoes at different heights; the rotating mechanism is used for meeting requirements of picking of mangoes in different directions; the swing mechanism is used for guaranteeing flexibility of picking of the mangoes; the telescoping mechanism is used for meeting requirements of picking of the mangoes at different distances; and the flexible terminal executor is used for clamping and shearing off the mangoes. The solar mango picking machine is designed for heavy mango picking operation in the Hainan region owing to abundant solar energy. The solar mango picking machine has the features of flexible structure and convenience in mounting, and can meet requirements of picking of the mangoes in different directions, at height heights and at different distances, and the mango picking efficiency is improved.

The invention provides a method for identifying a trip mode based on mobile phone signal data. The method is characterized by comprising the following steps of: establishing a virtual sensor network; then configuring reasonable value ranges of three properties of five trip modes according to prior knowledge, wherein the value ranges are represented by using segmented linear functions and are called as probability mapping functions; acquiring the mobile phone signal data; computing a probability numerical value based on a line by using path matching based on the virtual sensor network; computing probability numerical values based on three properties such as distance, time consumption and speed; and judging which trip mode a mobile phone user belongs to by using the probability numerical values. The method has the advantages that: the conventional communication network resource is fully relied on, a method which realizes flexible structure, easiness of expansion and simple computation is adopted, the mobile phone signal data of a single complete trip process of a traveler are taken as inputs, automatic identification of five conventional trip modes is realized, and trip mode-relatedinformation with high timeliness is further acquired.

The invention provides a hybrid type rapid direct current breaker, comprising: a main flow branch, a current transferring branch and an energy consumption branch. All are connected in parallel. The main flow branch comprises a rapid mechanical switch unit and a main branch sub-module unit. The two units are in series connection. The current transferring branch comprises valve module units in successive cascade connection with each valve module unit comprising a plurality of semiconductor modules in series connection. The energy consumption branch comprises energy consumption components in successive cascade connection. According to the invention, the design of the breaker structure is such a design featuring the electrical topology corresponding to modularization. This means that for the application requirement of different voltage grades, the structure can be expanded to do so. As the breaker adopts a single platform supporting structure, all functional units can be integrated onto the platform, therefore, making the equipment highly integrated, small in size, and strongly resistant to earthquakes. Highly reliable and flexible in structure, better electric compatibility can be achieved. With the breaker, it is possible to rapidly cut off the current in fault when the direct current system meets a fault.

The invention discloses a robot gripper. The robot gripper comprises two parallel cross profiles, two profile side plates and two parallel longitudinal profiles which compose a frame structure; both sides of the parallel cross profiles are connected with the side plates; a pair of the longitudinal profiles perpendicular to the cross profiles are connected between the two side plates, both sides of the longitudinal profiles are provided with a pair of gripper tooth modules, and the gripper tooth modules are hinged to the side plates through a rotating shaft; the two longitudinal profiles are provided with clamping air cylinders, the push rods of the clamping air cylinders are connected with the rotating shaft and drive the gripper tooth modules to fold and unfold the gripper tooth modules. The frame structure composed of the cross profiles, the longitudinal profiles and the side plates are simple, compact and light in weight; the side plates, the cross profiles and the longitudinal profiles are horizontally connected instead of being connected through vertical bolts, so that operators can timely find loosening of bolts during application, and further out-screw of the bolts can be effectively avoided.

The invention discloses a frameless combined type permanent magnet synchronous motor. The frameless combined type permanent magnet synchronous motor comprises a stator pedestal, the stator pedestal is internally provided with a cooling cyclic water pipe, the outer side of the stator pedestal is provided with an adjustment plate, the stator pedestal is provided with a stator assembly, the stator assembly is provided with an upper support, the inner side of the stator assembly is provided with a rotor assembly, and the frameless combined type permanent magnet synchronous motor further comprises an encoder, and the encoder is installed at an inner-side axle center of the rotor assembly through the upper support. The frameless combined type permanent magnet synchronous motor has the following advantages: the apparatus is flexible in structure and convenient to install; the motor is easily organically integrated with a driving apparatus for realizing direct driving; and the bottleneck of difficultly in manufacturing a large-power and large-diameter motor is eliminated.

The invention provides a multi-modal pre-training model training method, and an application method and a device thereof. The multi-modal pre-training model training method comprises the following steps: constructing a multi-modal pre-training model of a double-tower structure; obtaining a positive sample data set comprising positive sample image-text pairs and a negative sample data set comprising negative sample image-text pairs; and training a multi-modal pre-training model according to the positive sample data set and the negative sample data set, wherein the multi-modal pre-training model comprises a cross-modal comparison learning module used for carrying out image-text similarity comparison learning on the positive sample image-text pair and the negative sample image-text pair. The multi-modal pre-training model adopts a double-tower structure and a cross-modal contrast learning algorithm, a large number of negative samples are constructed for image and text modals, the model expression ability is high, and the processing precision of image-text pairs is improved. According to the model, the overall similarity between images and texts is calculated, whether the images and texts correspond or not is judged according to the similarity, and on the basis of the image-text weak correlation hypothesis, the actual situation of semantic weak correlation between the images and texts in image-text pairs in actual application is better fit.

The invention discloses a database query method based on a body and restricted natural language processing. The method is mainly used for solving the natural language query problem of a database. According to the method, a relation mode of the database is converted into the corresponding body, a special segmentation dictionary and keyword indexes are built according to records in the database, correlation of multiple keywords are found by means of semantic information in the body after the keywords are extracted from natural language query of a user, and finally the natural language query is converted into SQL query.

The invention discloses a management method for network data transmission of zero copy buffer queue, which belongs to the field of management method of data buffer queue of network data zero copy. The technical proposal of the invention includes the following operating steps: A. a continuous-memory allocated in a user space is taken as a DMA buffer for messages; B. a control handle of the buffer is established inside a kernel-mode driver; C. the control handle is mapped by an application program through an interface repository so as to realize operation of the buffer; and D. when messages are transmitted, the physical address of a full buffer is written into a network card by the driver, a buffer filled with messages taken out from the full buffer is applied, then the buffer is positioned inside an empty buffer queue after the messages are transmitted. The invention is applicable to the flexible management of a message buffer by a zero copy driver.

The invention discloses a distributed multi-intelligent-agent real time fault detection method based on neighbor associated condition. By converting node models having faults, a new fault detection model is built, fault signals and system condition variables are decoupled, fault detection difficulty is lowered, and only associated condition information of neighbors can be obtained via nodes. According to the distributed multi-intelligent-agent real time fault detection method, by setting fault detection sub-networks and subjecting sub-network models to corresponding linear conversion, node associated condition information can be converted into condition variables in the above fault detection model, and fault detection tasks can be done via the model. The invention provides a new fault detection solution to observe whether faults occur. The invention provides a neighbor associated condition solution for fault detection results. According to the distributed multi-intelligent-agent real time fault detection method, groupment advantages of a multi-intelligent-agent system are fully used, reliability of detection results is increased without system hardware performance improvement, and the distributed multi-intelligent-agent real time fault detection method is high in application value.

The invention discloses a method and system for thin-wall part modal testing based on machine vision. The method for the thin-wall part modal testing comprises the steps that a to-be-tested thin-wall part is fixed on an excitation head of an exciter and the to-be-tested thin-wall part is driven to perform equal-frequency vibration; meanwhile, a CCD industrial camera is used to continuously collect images of a vibration course of the thin-wall part; image processing is carried out to acquired sequence images so as to obtain an inherent frequency; the constant-frequency vibration of the thin-wall part is carried out under the inherent frequency; the continuous sequence images under the constant-frequency vibration are acquired; the image processing is carried out to the acquired continuous sequence images; and further a modal shape under the inherent frequency is obtained. The system disclosed by the invention has the advantages of a flexible structure; a complicated debugging course is not required; only low requirements are proposed for surface quality of the thin-wall part; non-contact measurement is carried out; vibration characteristics of a tested object are not changed; and the system has the advantages of high measurement precision and high efficiency, etc.

The invention discloses a wireless communication method which comprises the following steps of: transmitting one or more communication frames between network equipment and terminal equipment, wherein each communication frame comprises a downlink subframe and an uplink subframe, and a guard interval is formed between the downlink subframe and the uplink subframe; and dynamically configuring structures of the downlink subframe and the uplink subframe in each frame in a process of transmitting the one or more communication frames, wherein a dynamically configured downlink subframe at least comprises a leading sequence, a system information channel, a control channel and a downlink transmission channel, and a dynamically configured uplink subframe at least comprises an uplink transmission channel. The invention also discloses a wireless communication system. The frame structure is dynamically configured, so that uplink and downlink wireless transmission resources can be dynamically allocated based on service requirements, and future data service requirements with rich kinds and different characteristics can be well dynamically met.

The invention relates to a modularized series joint of a collaborative robot. The modularized series joint comprises a joint shell as well as a hollow motor, a harmonic reducer, an input shaft, an output shaft, a torque sensor, a brake, an absolute value encoder and a driver which are arranged in the joint shell, wherein the harmonic reducer, the hollow motor, the brake, the absolute value encoder and the driver are sequentially connected to the input shaft in series. A joint structure disclosed by the invention is more compact in structure, low in cost, higher in safety and reliability, ingenious, modularized and integrated; a brake structure is simple, convenient to install, reliable in brake performance, and stable; a force feedback system is sensitive in performance, stable, and high in reliability; and in addition, central hole wiring is used for wiring and arrangement, so that wire arrangement is more reasonable, and the wiring is more convenient.

The invention discloses a method for standardized data surface dynamic reconstruction for multiple services. In a software definition network with a plurality of controllers, a topological structure of the network can be dynamically configured through the method, wherein the topological structure comprises parameters of the number of nodes, the link connection relationship, the link weight with the bandwidth or the delay serving as a measurement indicator and the like so that the network structure can be flexibly changed and network resources can be adjusted in real time; when the network is blocked or the nodes are collapsed and a link breaks down, an operator can actively intervene so that load can be balanced and the link can be switched. Compared with the prior art, a flow table can be configured in real time through the method according to the requirement, a specific protocol is not depended, and the manageability and the flexibility are higher. A unified reconstruction interface is applied to the method for standardized reconstruction so that different transmitting strategies can be adopted by a bottom-layer network according to the specific services, and the services can be borne on the upper layer. The method for standardized data surface dynamic reconstruction for the multiple services is good in safety and capable of avoiding the potential safety hazards caused by reconstruction.