712results about How to "Guaranteed Versatility" patented technology

The present invention discloses an energy-saving thermal comfort controller and a control method for heating, ventilating and air-conditioning systems based on thermal comfort index, energy-saving control and neural network arithmetic. Wherein, the controller calculates and displays thermal comfort index based on air temperature, humidity, wind speed, radioactive temperature and user activity details and wearing details. The air temperature and humidity are measured by a sensor. The radioactive temperature is equivalent to the air temperature. The wind speed is obtained by calculating input power of a fan. User activity details and wearing details are defined by users themselves or conform to default values. The energy-saving control method divides heating, ventilating and air-conditioning system into three operating phases, viz. quick refrigerating/heating, comfortable operation and energy-saving operation and provides corresponding set comfort index. In addition, the neural network arithmetic conducts calculation and outputs control signals according to difference between set comfort index and actual index to control the heating, ventilating and air-conditioning system respectively through a AC and a DC drive circuit, thus realizing the highest comfort and the lower energy consumption.

The invention discloses an LX I embedded type reconfigurable general test platform capable of being used for an on-site test. The test platform mainly comprises a core control unit, an FPGA integrated test unit, an instrument function unit, a test program set, a Web server and the like. Modularized hardware design is reliably and tightly connected with a function module through a compact and firm portable machine box. The core control unit finishes control and communication of a whole system. The integrated test unit mainly completes logic functions of test instruments. The instrument function unit mainly completes conversion of signals. On the basis of LX I standard design, the test platform has multiple communication modes, is suitable for mobile tests, and facilitates secondary development. Hardware is designed in a modularized mode, and is compact in structure, small in size and low in weight. Software meets standards such as IVI, SCPI, ATML and the like, and is strong in generality. The instruments have the strong data processing ability and have functions of multi-channel parallel testing and online reconfiguration of the hardware and the software. What is needed is a browser during use of the instruments, the instruments can be operated remotely and the online reconfiguration of the instruments is achieved.

The invention discloses a flexible switching system for a vehicle welding production line. The flexible switching system is used for solving the problems of low operating efficiency and poor universality in a current vehicle welding production line. The flexible switching system comprises a piece supplying mechanism, a transition track, a storage mechanism, a rotating platform, a trolley, a steering track switching mechanism and a lifting track switching mechanism, wherein the piece supplying mechanism and the rotating platform are arranged on two ends of the transition track, the storage mechanism is arranged on two sides of the transition track, the steering track switching mechanism is mounted in a joint position of the storage mechanism and the transition track, the lifting track switching mechanism is arranged on the transition track, and the trolley can move among the piece supplying mechanism, the storage mechanism and the rotating platform. According to the flexible switching system, an operating speed of a welding production line is improved, and synchronous operations of the piece supplying and the welding are realized. The flexible switching system is suitable for the mixing-line production of various vehicles, so that the cost on equipment development and operation is lowered, and the efficiency of welding production is improved.

The invention discloses a task scheduling method and system. The method comprises the steps that a task template achieved by the adoption of plug-ins is utilized for creating a task, and the task is scheduled according to the real-time status of the task. Due to the fact that the task template achieved by the adoption of the plug-ins is utilized for creating the task, task expandability is improved, and the method can create the general task. In addition, due to the facts that the plug-ins exist in the task template, and mutual independence and expandability exist and permutation and combination can be achieved among template configurations and/or a parameter list and/or strategies and/or result responses, reuse of all the components is greatly achieved, task expandability is greatly improved, the universality of the task scheduling method is ensured, the expandability of a trigger event is greatly improved, working efficiency is improved, and the working cost is reduced.

The invention discloses a single camera calibration method based on road surface collinear three points and parallel line thereof, comprising the following steps: (1) building an image two-dimensional coordinate system and a ground two-dimensional world coordinate system; (2) in a traffic scene, selecting three points in straight roadway demarcation lines and parallel roadway edge straight lines as a calibration target, measuring the intervals among three points and the interval between two parallel straight lines, and obtaining the coordinate of the corresponding pixel of the calibrated target in an image; (3) calculating the angle of parallel lines in a ground world coordinate system; (4) calculating the focal distance and the depression angle parameter of the camera; and (5) calculating the coordinate conversion relation of each corresponding point in the image coordinate system and the ground world coordinate system to finally finish calibrating the camera. The invention does not need to put a regular calibration rectangle in a traffic scene, but only needs three points and the parallel lines thereof on a traffic marking. The method is simple and practical and has favorable pertinence and popularity.

The invention provides a modularized open PCBA (Printed Circuit Board Assembly) functional circuit test platform, system and method. The quality of a PCBA product is effectively controlled by using a half-automatic test manner. When a test table uses a needle bed and a relay switching group controlled by a single chip microcomputer to test different PCBAs, probes of the needle bed are reconfigured, and then one ends of the probes are connected with a relay, so that the expansibility is improved. In view of the system reusability, the test table matched with one type of the PCBA is pre-manufactured. When the PCBA is tested by only using the corresponding test table and opening an attest file, the test efficiency is greatly improved. A test instrument can be replaced according to test demands, so as to expand a system test function. The modularization open PCBA functional circuit test platform is a core of an entire test platform to control the operation state of the entire test process and is used for judging and recording the test content and result of each step, so that the test result is finally obtained. The modularized open PCBA functional circuit test platform is convenient to store and output the data.

The invention discloses a travel time fusion prediction and query method based on traffic big data, and the method comprises the steps: carrying out the offline calculation or training of data uploaded by all online vehicles to obtain various types of prediction models and parameters, and building and dynamically updating a data dictionary according to the prediction models and parameters; carrying out the call of the prediction models and parameters, and carrying out the prediction of the traffic state of a road network or a single vehicle through combining the real-time travel time data of a road segment and a path, wherein the data dictionary comprises a vehicle data dictionary, a road segment data dictionary and a path data dictionary, and the online vehicles are the vehicles which are registered to access to the network and automatically upload positioning and speed data. The beneficial effects of the invention are that the method solves problems that a road network or single vehicle traffic state prediction method in the prior art is poorer in instantaneity, universality and practicality, greatly improves the measurement precision, greatly improves the online prediction precision, and guarantees the instantaneity, practicality and universality in engineering application.

The invention discloses a semi-physical simulation experimental system for a quad-rotor unmanned aerial vehicle and an experimental method of the semi-physical simulation experimental system. The system is provided with the quad-rotor unmanned aerial vehicle. The quad-rotor unmanned aerial vehicle is arranged on a globe joint which is located at the top end of a three-degree-of-freedom aircraft rotary table and has universal performance; the geometric center of the quad-rotor unmanned aerial vehicle is provided with an airborne attitude sensor; the quad-rotor unmanned aerial vehicle comprises an airborne bottom layer control panel; the airborne attitude sensor and the airborne bottom layer control panel are respectively connected with a simulation controller system; and a virtual scene online display computer connected with the simulation controller system is also arranged. The method comprises the following steps of running Simulink software in a host machine by utilizing modules and controls in a Matlab real-time tool kit and building a block diagram of a model for the simulation controller system, wherein the model comprises four subsystems: a subsystem for reading airborne sensor data, a subsystem for generating the virtual displacement of the quad-rotor unmanned aerial vehicle, a flight control algorithm subsystem and a control command transmission and virtual display interface subsystem. According to the semi-physical simulation experimental system for the quad-rotor unmanned aerial vehicle and the experimental method of the semi-physical simulation experimental system disclosed by the invention, the development cycle can be greatly reduced, and meanwhile, the flight experimental cost is saved.

The invention discloses a template-based interface autogeneration method and system. The template-based interface autogeneration method comprises the following steps of: inputting common controls, interfaces, buttons, pictures and other objects which are designed in advance and available attributes of the objects into a database, converting XSD (XML (eXtensible Markup Language) Scheme Definition) configuration files into Flash-readable AMF (Action Message Format) files, pushing the AMF files into a foreground, and taking corresponding objects and attributes thereof out from the database to autogenerate a user interface. The template-based interface autogeneration method and system disclosed by the invention realize the purposes of out-of-browser interface display and cross-platform of interfaces and has the capability of flexibly generating the configuration file forming interface as required. In addition, due to the unique dragging function of Flash per se, users can design interfaces which accord with the using habits of the users again according to the self demands.

The invention discloses a motorcycle type identifying method in a complex scene, which comprises the following steps of: initializing a component dictionary of a video image, learning a parameter of each component in the component dictionary, calculating an optimal composition structure according to the learned parameters of the components and an XOR searching tree, training and integrating vehicle templates by adopting the optimal composition structure, and detecting and identifying a motorcycle type in the video image by using the vehicle templates. According to the motorcycle type identifying method, the optimal composition structure of the vehicle templates is learned by adopting a dynamic planning algorithm, the XOR searching tree and a large quantity of actual samples, thus the efficiency of training the templates is increased, better discrimination is achieved, and actual application is facilitated. According to the motorcycle type identifying method, by combining a Latent SVM (Support Vector Machine) algorithm and a robust HOG (Histograms of Oriented Gradients) characteristic, the motorcycle type in the complex scene can be processed, and instantaneity and generality are ensured.

The invention discloses a communication interface of network household electrical appliance, wherein the communication interface is connected with network household electrical appliance and an independent communication module, the communication interface is connected via four lines, via asynchronous serial half-duplex communication to complete data communication, the connecting lines of four-line connection comprise a signal receiving line, signal sending line, an earth line, and a power line. The invention also discloses a relative communication method for transmitting control command from communication module to network household electrical appliance, comprising that (121), the communication module sends a control frame to the network household electrical appliance, (122), the communication module judges if receives a feedback frame of the network household electrical appliance, if receives, ending the communication, or not receives after waiting for preset maximum waiting time T1, entering into step (121). The invention also discloses a method for using network household electrical appliance to send report message to the communication module.

The invention discloses an intelligent home system based on cloud service and ZigBee technology and a design method thereof. The system adopts a browser/server (B/S) architecture, uses Apache as a Web server, uses Mysql as a database, stores a corresponding data record, converts the data into a Json format, then communicates with an Android mobile phone through HTTP and achieves related data transmission through a ZigBee protocol stack of the TI company, the ZigBee protocol stack transmits the received data to an Android home gateway through a serial port and transmits the data to the server through the HTTP, and a mobile phone client is connected with the server to synchronize all data and display home building conditions in real time. The intelligent home system disclosed by the invention mainly solves a ZigBee set-point control problem, a communication problem of a ZigBee coordinator and the home gateway and a remote control problem.

The present invention relates to a fall protection device used in the process of climbing steel tower of power transmission line. Said full protection device includes the following several portions: large hanger, small hanger, endless rope, delta wire-lock fastener, pear-shaped fastener, small tackle and safety hook. Said invention also provides a fall protection method by using said fall protection device and its concrete operation steps.

A real-time personnel positioning device based on a wireless sensor network relates to the technical field of wireless sensor networks. It comprises a positioning terminal (1), a positioning base station (2) and a host computer (3), wherein the positioning terminal (1) is connected to the host computer (3) through wireless signals, and the host computer (3) is connected to the positioning base station (2). Its positioning equipment takes into account both indoor and outdoor conditions, suitable for non-line-of-sight transmission and long-distance transmission, low-cost equipment, low power consumption, and high positioning accuracy.

The invention discloses a file data transmission device and method used for a cloud storage system. The file data transmission device comprises a data server and a server side. A virtual machine monitor operating on a server side constructs a sealed computing environment according to the requirements, and returns the admission information of the sealed computing environment to a client side. A user automatically constructs a second secret key, and transmits the encrypted second secret key to the sealed computing environment, and the sealed computing environment obtains the second secret key through deciphering. The file data is encrypted according to the second secret key so as to form data stored in a cloud side. The sealing computing environment can obtain the second secret key through deciphering and then decipher the encrypted file data, and the file data deciphered according to the fist secret key is then encrypted so as to be transmitted to the client side. By utilizing the technical scheme provided by the invention, the file data is in a encryption state in the entire data transmission process, the sealed computing environment can decipher and encrypt file data in a sealing state so as to further enhance the privacy of the data of the user.

The invention provides a stay cable force measuring device and a measuring method therefor. The device is simple in structure, and no expensive high precision equipment such as sensors is needed; a corresponding relation between cable force of a stay cable and radial elastic stress is adopted by the device, a contact type displacement sensor with guaranteed measurement accuracy is adopted for measuring variation of radial deformation and displacement before and after specified radial pressure is applied on the stay cable, and the cable force of the stay cable is measured via a pre-established function relation model between the cable force and deformation under stress; whether the stay cable is in installation processes or is put into use after installation, the cable force of the stay cable can be measured; based on a measurement principle adopted by the device, measurement precision can be prevented from being affected by interference factors such as span, sag, vibration, environment electromagnetic waves and the like of the stay cable; high measurement precision can be guaranteed, universality can be well ensured, convenience of use and operation is realized, and a new solution is provided for measurement of the cable force of the stay cable which is put into use after installation.

The invention discloses a method, a device and a system for realizing universal single sign-on. A service middle layer universal to different single sign-on products is arranged between an access system and a single sign-on authentication server; and when the service middle layer carries out authority authentication on the access system in a single sign-on mode, the service middle layer receives the access request of a user browser, the identity token contained in the visit request is submitted to the single sign-on authentication server for verification, and in addition, the authentication results returned by the single sign-on authentication server are received. Through the method, the device and the system, the interaction between each access system and the service middle layer is not the direct interaction with the single sign-on products, and in addition, the service middle layer provides the universal single sign-on mode, so the universality of the single sign-on is ensured, and the authority authentication can be carried out on each access system in a unified way.

The invention provides an internet-of-things operation and maintenance monitoring box for multi-channel video monitoring integration. The internet-of-things operation and maintenance monitoring box comprises a door magnetic sensor, a lightning protection device, an automatic reclosing module, a data acquisition and remote control module, a network communication module, a power management module, atemperature and humidity sensor, an illumination sensor and an authentication module. The modular layout is adopted, versatility is kept, diversified configurations are provided to adapt to differentapplication scenes, and function expansibility is achieved; the Internet of Things communication technology is adopted, a series of sensors are combined, state detection of the monitoring box is achieved, the state and fault data of the monitoring box are uploaded to an operation and maintenance center in real time, and multiple remote control functions such as fan starting and stopping, camera remote restarting, heating resistor starting and stopping, remote power on and off and network restarting are supported. The operation and maintenance center realizes standard management for each operation and maintenance monitoring box, guarantees equipment safety, realizes effective authentication verification for remote and field operation of the monitoring boxes, and has an effective tracing mechanism for maintenance of the monitoring boxes.