43results about How to "Easy to port" patented technology

The invention relates to the field of occupation of the mass data memory space and backup and recovery of historical data, and in particular provides a data recovery and synchronization method based on log snapshots. The data recovery and synchronization method based on the log snapshots adopts log files with given format to record changed information of data of databases each time; the changed information is formatted, positioned and stored into the log files; an analytic program calls an approximate algorithm to acquire effective data on set time points by means of multithreading; the data is temporarily stored into a temporary table, and abstract data snapshots are generated according to the temporary table; and data recovery and synchronization is realized by utilization of the snapshots. The data recovery and synchronization method based on the log snapshots can greatly reduce the burden of a database system, obviously improve the efficiency of the database system and an application system, save a great deal of memory space, and reduce the operation cost of the systems.

Processing images includes projecting an infra-red pattern onto a three-dimensional object and producing a first image, a second image, and a third image of the three-dimensional object while the pattern is projected on the three-dimensional object. The first image and the second image include the three-dimensional object and the pattern. The first image and the second image are produced by capturing at a first camera and a second camera, respectively, light filtered through an infra-red filter. The third image includes the three-dimensional object but not the pattern. Processing the images also includes establishing a first-pair correspondence between a portion of pixels in the first image and a portion of pixels in the second image. Processing the images further includes constructing, based on the first-pair correspondence and the third image, a two-dimensional image that depicts a three-dimensional construction of the three-dimensional object.

The invention discloses a coordination control method for a micro-grid system. The coordination control method of the micro-grid system comprises the steps of: (1) performing program initialization of a coordination control system; (2) processing a digital switching value, and carrying out information interaction with a micro-grid energy management system, a liquid crystal display module and an in-place controller; (3) processing data of obtained information; (4) judging the working condition of the micro-grid, and calling a corresponding control program module based on the type of the working condition of the micro-grid; and (5) calculating the power command value of each running device, sending a signal to each running device of the micro-grid after the safety economic index satisfying with each running device is confirmed and adjusting the running state of the system by the control program module. The coordination control method for the micro-grid system realizes coordination control on the micro-grid system, and ensures safe and steady operation of the micro-grid. By adopting the modular software design and shortening the code of each software module, the coordination control method for the micro-grid system can remove software errors to the maximum extent and therefore greatly improve reliability of the software.

The present invention relates to a drive control system for controlling a brushless motor by using the combination of two chips. According to the system, the e ARM and CPLD combined control is used, the set values of the torque, speed and position of the system are from a host machine, and the feedback value of a motor state is calculated according to the feedback value of a three-phase Hall sensor in the motor. The ARM is connected to the host machine and receives the set values sent by the host machine and carries out torque control, speed control or position control according to the command of the host machine. The CPLD receives feedback signal of the three-phase Hall sensor, carries out position and speed calculation and sends the calculation values to the ARM. The ARM carries out control operation by combining the calculation values and the set values and sends a command word. The CPLD receives the command word of the ARM and parses the command word as a control command, and the motor is controlled to run through the driving circuit of the motor. According to the system, the speed and position sensors are not needed, the system structure is simplified, and the high precision control of the torque, rotation speed and position can be realized.

The invention discloses a submerged plant artificial turf cultivation system and a cultivation transplanting method. The cultivation system comprises a submerged plant artificial turf cultivation layer which is formed by mixing a rich-cellulose material, controlled slow release fertilizer and a macromolecule water-retaining material, adding homogenate formed by water and submerged plant seeds, putting the mixed homogenate in a stereotype cultivation bag, and pressing and fixing the mixed homogenate into a layered shape. The submerged plant artificial turf cultivation system further comprises a cultivation pool which is internally covered with a river mud layer, the turf cultivation layer is sunk into the river mud layer, and water is added to the cultivation pool at an appropriate height to cultivate water plants. When the water plants grows up, the submerged plant artificial turf cultivation layer and the water plants are taken out, thus obtaining a submerged plant artificial turf. The test result shows that the method has the advantages of high survival rate of submerged vegetation water plant recovery, simple operation, low requirement on facilities, and good application effect.

The invention relates to a method for detecting face symmetry and anomaly based on real-time face detection. The method includes a training stage and a testing stage. The training stage includes the following steps that: a deep convolutional neural network model is established; the image data of the main parts of the face of a user are acquired; and an optimal classification strategy is provided according to the image data given by the user. The testing stage includes the following steps that: the facial movement of the user is monitored in real time; the image data of the main parts of the face of the user are acquired; the images of the main parts of the face of the user are processed through the deep convolutional neural network model, and deep convolutional features are extracted; a deep convolutional feature-based dichotomy problem is solved, state identification is carried out on the main parts of the face of the user, and then real-time symmetry detection and anomaly detection are carried out on the main parts; and the eye state time sequence of the user is recorded, and the sampling frequency of a monitoring camera is adjusted in real time. With the method of the invention adopted, real-time face detection on face symmetry and anomaly can be carried out accurately under conditions of different lighting conditions and different users. The method has high stability and high universality.

The invention discloses a dynamic reconfigurable embedded system based on an ARM and an FPGA. The dynamic reconfigurable embedded system is mainly composed of an ARM subsystem and an FPGA subsystem, wherein the two subsystems are connected through one or one buses to achieve switching between data signals and control signals, the ARM subsystem can reconfigure the FPGA subsystem through one reconfiguration module on line, and dynamic reconfiguration of the system is achieved. According to the system, due to the fact that an advanced operating system Linux and the buses are used as middleware, the software part and the hardware part designed by applications of the embedded system based on the ARM and the FPGA are abstracted and separated, the software and hardware combination development and debugging efficiency of the system is improved, the applications can be transplanted easily, and the reuse rate of codes of the applications is increased.

The invention provides an SDK packaging method using a packaging plug-in, the packaging plug-in and a corresponding terminal, and the method comprises the steps: obtaining plug-in configuration information through the packaging plug-in when a packaging operation on a host project is detected; determining a corresponding target file in the host project according to the plug-in configuration information, and packaging and generating a kernel package based on the target file; According to the method, the package plug-in is used for executing project package, only simple plug-in configuration information is needed, script files do not need to be dispersed one by one, the script files can be conveniently introduced, inter-project transplantation can be easily carried out, and meanwhile maintenance is convenient; the plug-in can uniformly manage the task stack Task, a user does not need to pay attention to the actual functions of all the Tasks, only parameters need to be configured, the readability of codes is remarkably improved, and compared with an existing packaging script packaging mode, the running time of SDK packaging is remarkably shortened, and the SDK packaging efficiency is improved.

The invention relates to a WI-FI-based universal multi-protocol digital instrument internet-of-things module, which is designed from three aspects of WI-FI communication module hardware, an internet-of-things software protocol and an internet-of-things API function library, and provides a universal internet-of-things solution which is simple to transplant and adapt to different types of digital instruments and has powerful internet-of-things functions. The WI-FI communication module hardware adopts a wide voltage range serial interface design, and different Internet of Things transmission requirements are met by means of the high-speed transmission performance of WI-FI; the Internet-of-Things software protocol adopts a private instrument interaction protocol to interact with a digital instrument, adopts a private Internet-of-Things interaction protocol, an MODBUS-TCP protocol and a command transparent transmission protocol to interact with network equipment, and supports powerful Internet-of-Things functions such as instrument data timing forwarding/real-time high-speed forwarding, instrument working parameter debugging, MODBUS communication, instrument private command debugging and instrument firmware upgrading; the Internet-of-Things API function library provides highly packaged Internet-of-Things data variables and API functions compatible with different processor working modes through an IoT.lib file and an IoT.h file, and is used for simple and flexible adaptation of digital instrument Internet-of-Things functions; and therefore, a flexible and powerful Internet-of-Things function and a simple adaptation scheme are provided for different types of digital instruments.

A kayak portaging device which incorporates a seat backrest into the yoke design, making the portaging yoke an integral part of the kayak. A u-shaped device, with a transverse yoke frame, and parallel pivot arms extending from the ends of the yoke frame to pivot points on the kayak hull forward of the seat. A curved backrest is incorporated within the u-shaped device. The device rotates from a backrest position behind the kayak seat for use while paddling, forward to an inverted position over the kayak's center of gravity for portaging. “L” brackets with padded ends are mounted on the backside of the yoke frame extending downwards. Bottle holders attached to the “L” brackets are accessible to a seated kayaker. When rotated to the inverted portaging position, pivot arms are held against positive stops by a magnetic catch, and “L” brackets now extend upwards providing elevated shoulder rests for portaging.

The invention relates to a hybrid test control system based on a hydraulic actuator and a test method. The system comprises a numerical value substructure module, a Matlab calculation module, an STM32single-chip microcomputer controller, a hydraulic actuator loading device, a data acquisition module and a test substructure module. According to the system, hydraulic loading equipment is used as anexcitation source of the hybrid test system. An STM32 single-chip microcomputer controller is used for controlling hydraulic loading equipment, and OpenSees-Matlab software, a serial port communication technology, a feedback algorithm, a displacement sensor, a force sensor and the like are used for building a set of complete hybrid test system comprising a software program and hardware equipment.According to the invention, the problems of low precision and time delay of experimental equipment in a traditional electric vibration exciter hybrid test system are solved, the stability and test precision of the whole set of test equipment are improved, and the test loading reaction time is shortened. The test system has the characteristics of wide test working conditions, easiness in test program transplantation and easiness in test system control.

The invention discloses a global detection module method for node interconnection chip verification, belongs to a node interconnection chip module detection method and aims to solve technical problems that logic analyzers are expensive and cannot grab too many signals due to limited pins of the logic analyzers and key information cannot be found and located quickly and simply in stored data. The technical scheme is as follows: the method comprises steps as follows: (1) node interconnection chip logic is embedded in the form of an independent module and runs simultaneously with node interconnection logic, interacted message information of all channels is monitored, error detection is performed according to corresponding protocol rules, overtime and message error information is reported, and full-automatic running is realized; (2) an active QPI (Quick Path Interconnect) message sent by a CPU (central processing unit) is stored, when a QPI message is returned from an NC end, the QPI message is compared with a corresponding and stored source QPI message, and whether the message is an expected message or not is determined.

The present invention provides a method for realizing outdoor height measurement by using sensors of an intelligent terminal. The method includes the following steps: location information of an initial point is obtained by using a GPS positioning module of the intelligent terminal, and the latitude and longitude coordinates of the initial point are obtained in combination with a map; each sensor in the intelligent terminal is used to record sensor data during travel of a user from the initial point; when the intelligent terminal detects that the user returns to the initial point, motion trajectory of the user is calculated according to the sensor data; and the relative sea-level elevation with different distances and different directions based on the initial point are drawn according to the motion estimation. The invention is low-cost, does not need any additional positioning auxiliary equipment, can complete positioning and navigation operation only with a sensor device in a smart phone, has high portability and low network dependence and has no environmental pollution problems.

The invention discloses an accelerating method for two-dimensional limited control volume calculation. The accelerating method has the remarkable advantages of simplicity, easiness in transplanting, good stability, improved running efficiency and the like. By simulated practice in recent years, some development is gained in the aspect of improvement on an unstructured grids limited volume explicitalgorithm, and discussion about mesh setting optimization, double-time-axis variable-time and variable-step-length method and the like is emphasized. The accelerating method comprises the following steps: first step, optimizing mesh setting; and second step, carrying out double-time step-length advancing method.

The invention discloses a method and device for managing small pieces of memories. The method comprises the following steps of: distributing a whole piece of memory in an initialization process; dividing the whole piece of memory into multiple small pieces of memories, and indexing the small pieces of memories; connecting the small pieces of memories in series by utilizing a one-way chain table, and marking a head structure and a tail structure of the chain table by using head and tail; and, when a piece of pre-set memory needs to be used, finding a small piece of corresponding memory from the index number of the head in the chain table, and pointing the head to a next node. The method and the device disclosed by the invention have the advantages of being simple in migration operation, flexible to use and wide in use range; the memory space is utilized effectively; and the distribution efficiency is high.

The invention discloses a Chinese character optimized pinyin input method. In the method, 26 English alphabets are taken as 26 pinyin characters, and one Chinese character forms a phonetic word consisting of a rhyme symbol, a beginning rhyme and an ending rhyme; the beginning rhymes of phonetic word rhyme symbols are taken as rhyme-regulating symbols; the tones are modified by an alphabet tone-modifying method; 25 in the 26 English alphabets are taken as the tone-modified alphabets; and the beginning rhymes are modified by five voices of a first voice, a second voice, a third voice, a fourth voice and a soft voice. The scheme can overcome the defects that voices are marked in a computer Chinese character pinyin input method, the syllabification is not unique due to the presence of simple finals and a universal keyboard and a digital keyboard are hardly transplanted mutually in the prior art, the phonetic word input is improved by fully using five-voice tones, double-finals encoding, word group input, direct addition of auxiliary codes and other methods, the phonetic word encoding of the input method is optimized, and a Chinese character optimized pinyin input method which is easy to learn and remember and is high-efficiency, and a keyboard thereof are provided.

The invention discloses a simple wrapping device used in a sweet osmanthus seedling nursery. The simple wrapping device comprises a solid bag bottom. Edge belts protruding towards the outer side are arranged on the edge of the solid bag bottom, and rope buckles are arranged at the ends of the edge belts. A detachable sealing device is also arranged in the middle of the solid bag bottom, and the solid bag bottom is divided into a left-side bag bottom and a right-side bag bottom through detachable sealing arrangement. The left-side bag bottom and the right-side bag bottom are respectively provided with two layers of sealing edges. Clamping grooves extending towards the inner side are formed in the two layers of sealing edges of the left-side bag bottom. The simple wrapping device is reasonable in structure, firm and durable, the transplanting process is simple, the integration of a soil ball can be kept, the simple wrapping device can be operated by one person especially for a small-specification sapling, the labor cost is saved, and the survival rate of transplantation is improved.

A collapsible infant tray formed from flexible polymeric materials having two or more receptacles securing infant chattels including perishable foods. In various embodiments, the receptacles are formed by one or more L-shaped detachable members.