39results about "Electric testing/monitoring" patented technology

An Advanced Process Control (APC) system including Graphical User Interfaces (GUIs) is presented for monitoring and controlling a semiconductor manufacturing process that is performed by a semiconductor processing system. The semiconductor processing system includes a number of processing tools, a number of processing modules (chambers), and a number of sensors, and the APC system comprises an APC server, database, interface server, client workstation, and GUI component. The GUI is web-based and is viewable by a user using a web browser.

The present invention relates to a system comprising: a process control network (3) having process equipment (2) connected thereto for receiving, through the process control network, control commands and for transmitting messages. To enable a high-security-level system to be achieved, wherein the state of a process can be established from an external communication network, the process control network (3) is connected to an external communication network (5) via a one-way data transfer device (12). The external communication network has storage equipment (6 to 8, 13) connected thereto, configured to store at least some of the information contained in the messages to be transmitted from the process control network (3) to the external communication network (5).

The present invention provides a program upgrading device based on a vehicle Ethernet framework and a control method thereof, a vehicle, a computer device and a computer readable storage medium. The device comprises a controller, an Ethernet gateway, a plurality of domain controllers and a plurality of electronic controllers. The Ethernet gateway is connected with the controllers and the domain controllers through the Ethernet; the domain controllers are connected with the electronic controllers through the Ethernet or a CAN bus; the controllers are configured to determine whether any one electronic controller satisfies an upgrading condition or not according to the whole vehicle network information, the program is sent to the Ethernet gateway when any one electronic controller satisfies the upgrading condition; and the Ethernet gateway is configured to receive the program, and the program is flashed to any one electronic controller through passing through the domain controllers according to the DOIP protocol. The fusion of the flashing schemes between the Ethernet and the CAN and the flashing of multiple electronic controllers are realized.

A system for providing information for a process, and a method to utilize such system are provided. In particular, a controller is communicatively coupled to at least one smart field device using an open smart communications protocol, and a server is communicatively coupled to the controller. The server is adapted to receive data associated with the smart field device from the controller. The server may transmit the data in a HTML format, or an at least one image which was generated based on the data. For example, the system further may include a computer system, and the server may transmit the data or the image of the data to such computer system. The computer system may also display the data in the HTML format, and/or the image of the data.

A machine monitoring method includes obtaining signals indicative of machine conditions, machine rotational speed, direction, and load conditions over a segment of time, transforming the obtained signal indicative of machine conditions into a frequency spectrum, identifying low level features of the frequency spectrum, and processing the low level features to obtain an indicator value representative of the machine conditions.

The present invention utilizes a cross-prediction scheme to predict values of discrete and continuous time observation data, wherein conditional variance of each continuous time tube variable is fixed to a small positive value. By allowing cross-predictions in an ARMA based model, values of continuous and discrete observations in a time series are accurately predicted. The present invention accomplishes this by extending an ARMA model such that a first time series “tube” is utilized to facilitate or “cross-predict” values in a second time series tube to form an “ARMAxp” model. In general, in the ARMAxp model, the distribution of each continuous variable is a decision graph having splits only on discrete variables and having linear regressions with continuous regressors at all leaves, and the distribution of each discrete variable is a decision graph having splits only on discrete variables and having additional distributions at all leaves.

In a maintenance management system and a method of providing engineering support, maintenance information concerning generating plants owned by a user is provided to a maker, and the maker analyzes such items of information, and manages the information in a structure maintenance management system. The user accesses the maintenance management system through the Internet, extracts information to be obtained from databases, and implements maintenance activities or drafts a plan. Engineers of the maker register maintenance information through an intranet, and provide engineering support for the maintenance activities promoted by the user.

This invention discloses an automatic calibration system and method for analog signal measurement apparatus, which comprises the following: PC machine used to control the calibration process of analog signal measurement apparatus; control card connected with PC machine and used to receive group information and perform the control order sent by the PC machine and to send back the sample value and standard value to PC machine; communication card connected with control card and used to a communication connection between control card and analog signal measuring apparatus; responding signal source output apparatus to the analog signal measuring apparatus separately connected with communication card and analog signal measuring apparatus and used to generate standard value and send the signal to the analog signal measuring apparatus to get relevant sample value according to the group information.

The embodiment of the application provides an aircraft guidance control simulation test method and device. The method comprises the steps: respectively building subsystem models of all controlled objects corresponding to a preset guidance control system model of an aircraft based on historical simulation engineering data of the aircraft; establishing a guidance control simulation system of the aircraft in a virtual simulation environment according to the guidance control system model of the aircraft and each subsystem model; performing simulation verification on the operation state of the guidance control simulation system so as to debug operation parameters of the guidance control simulation system according to a simulation verification result; and accessing preset hardware equipment intothe guidance control simulation system to carry out a semi-physical simulation test for the aircraft. According to the application, the integrated simulation test between the guidance control systemand the controlled subsystem of the aircraft can be effectively realized, and the accuracy and reliability of the aircraft guidance control simulation test can be improved by providing an open and extensible virtual integrated simulation and test environment.

The invention relates to the technical field of testing and discloses a bidirectional charge-discharge motor controller testing system and method. The bidirectional charge-discharge motor controller testing system comprises a testing host computer, a simulator, and a bidirectional charge-discharge motor controller. The testing host computer is connected with the simulator and is used for transferring simulating models to the simulator, wherein the simulating models include a power grid model, a bidirectional charge-discharge motor model, and a battery module. The simulator is in communication connection with the bidirectional charge-discharge motor controller. The bidirectional charge-discharge motor controller, the power grid model, the bidirectional charge-discharge motor model, and the battery model form a closed-loop operation testing circuit. The simulator is used for acquiring the operation data of the bidirectional charge-discharge motor controller, sending the acquired operation data to the testing host computer, and sending simulating signals to the bidirectional charge-discharge motor controller. The invention further provides a bidirectional charge-discharge motor controller testing method. The bidirectional charge-discharge motor controller testing system and method may easily test the bidirectional charge-discharge motor controller, increase testing efficiency, and reduce testing cost.

A process analysis system may include a data collecting unit that collects process data related to a plant, an input unit that receives an analysis logic, a first analyzing unit that performs a first analysis of the process data by using the analysis logic, a storage unit that stores the analysis logic, which has been used by the first analyzing unit, so as to be reused by the first analyzing unit, and a first display control unit that controls a display unit, the display unit displaying a group of screen images of a first analysis result of the first analysis so that the input unit can receive an instruction of performing a series of operations. The series of operations may be performed by the data collecting unit, the input unit, the first analyzing unit, the storage unit, and the display unit based on the instruction to at least one of the group of screen images.

The invention provides a testing device, a method and a system, wherein the method includes: loading detection signals, and the detection signals comprises analog signals, digital signals, speed pulse signals and fault feedback signals; sending the detection signals to a traction control unit, receiving pulse signals and detection result signals, and the pulse signals and the detection result signals are sent by the traction control unit; confirming whether stoppages exist in the traction control unit or not according to the pulse signals and the detection result signals. The existing problem that a test to the traction control unit of an electric locomotive cannot be achieved quickly and effectively in the prior art is solved.

The invention relates to the field of operating, monitoring and controlling mills of the mining industry. It specifically relates to a system and a method for in-line determination of the characteristics of worn balls and pieces thereof, which have been ejected from a semi-autogenous mineral grinding (SAG) mill to the external classifiers.

The invention discloses an automatic test system and method for communication control devices. The system comprises a main control module, a communication module, an acquisition module, a power sourcemodule and a human-machine interface; the main control module simulates a control unit to electrify a control device, and thereafter, sends a power source back-test command, a communication detectioncommand, a DO (digital output) command, a DI (digital input) command, an AD acquisition command, a control command, a function test command and a position data command; power source back-test information, communication response data, DO detection data, DI data, AD acquisition data, control response data, functional test response data and GNSS position information are analyzed according to a preset communication protocol and are compared with main control module standard values; test results are fed back to the human-machine interface; and therefore, problems brought about by a condition thatan existing control system only has a single function and single interface can be solved, and the functions of a plurality of communication control devices can be tested. Since the main control module, the communication module, the acquisition module, the power source module, a switching quantity input and output module and the human-machine interface are integrated, the communication control devices can be automatically tested, and test efficiency is significantly improved.

The invention discloses an unmanned equipment testing method and device based on interfering object track planning. The method comprises steps that the acquired historical motion state of the interfering object and the acquired current motion state of the unmanned equipment are input into a planning model to obtaina planning track of the interfering object; when an interference object drives alonga planned track, the current motion state of the unmanned equipment is interfered. The problem that whether the interfering object interferes with the operation of the unmanned equipment or not cannot be determined is solved, the planned track is sent to the interfering object, the interfering object is made to run according to the planned track, the behavior action planned by the unmanned equipment is determined, the unmanned equipment is tested according to the behavior action, and the test efficiency of the unmanned equipment is greatly improved.

The invention provides an intelligent automobile maintenance scheme evaluation method and system. The method comprises steps that the image information of a first component in a vehicle is obtained, according to the image information and the preset standard image information corresponding to the first component, the first position of a fault of the first component is determined, a present first fault type of the first component is filtered according to the first position and a preset first component fault list, and a first maintenance scheme corresponding to the first fault type is selected according to the first fault type and a preset common maintenance scheme list. The method is advantaged in that labor and material resources required for manual detection and repair of the vehicle are substantially reduced, and maintenance and operation cost is reduced for repair shops.

The invention relates to a simulation testing method and device of a whole vehicle electrical system, and aims to solve the problems that in the prior art, the testing is incomplete and the testing cost is high due to the real object-based testing of the whole vehicle electrical system. According to the simulation testing method of the whole vehicle electrical system, the whole vehicle electricalsystem comprises a plurality of independent subsystems. The method comprises the steps of performing equivalent circuit simplification on each subsystem; classifying all parts; performing model building on the parts in each subsystem, and dividing part models of each subsystem into a plurality of part model libraries according to a classification result; assigning a value to each part model in thepart model libraries; establishing a plurality of model testing racks according to the classification result; and applying all the value-assigned part models in each type of the part model library tothe model testing rack of the corresponding type, and performing part model testing, subsystem model testing and system model testing.

The invention discloses a feeding traveling crane system, which is used for feeding operation of ladder type or cascade type cage culture equipment. The feeding traveling crane system comprises a feeding traveling crane, a control device, a remote control terminal, and a security device. The feeding traveling crane is arranged on a travelling guide rail of the cage culture equipment. The control device is electrically connected to the feeding traveling crane and is connected to the remote control terminal through communication. The security device is installed on the cage culture equipment andis electrically connected to the control device. Through the cooperation among the feeding traveling crane, the control device, the remote control terminal, and the security device, switching among multiple control modes and safety control are realized. The control mode can be selected according to the feeding scene, the efficiency of feeding operation is largely improved; and the problem that the efficiency of feeding operation of a conventional feeding traveling crane is not high is solved. By using the feeding traveling crane system, through the remote control terminal and security device,the feeding traveling crane is safely and reliably controlled to carry out predetermined feeding operation, the feeding travelling crane does not need to be monitored in real time, and the feeding operation efficiency is high.

The invention provides a method for generating a functional test case of an electrical cabinet of a railway vehicle. The method comprises the following steps: generating a material list table of devices in the electrical cabinet, a driving logic table of a coil of a device to be tested and a driving logic table of a contact to be tested according to an imported wiring table; generating port pointlocation data and indexes based on the bill of materials table, the driving logic table of the to-be-tested device coil and the driving logic table of the to-be-tested contact; and generating a test sequence table according to the port point location data and the index, the test sequence table including result criterion information. According to the invention, the combination of automatic compiling and subsequent automatic testing of the test cases is realized, and the test is ensured to be quick, efficient and accurate. A traditional case writing mode is replaced, a one-by-one carding and one-by-one verification mode is replaced, and the tedious intermediate process is omitted. According to a specified product form and a verification rule, a logic loop needing to be tested is automatically identified and screened by taking the existing wiring list as an input, and a test case is automatically synthesized.

The invention discloses a vehicle function test method, device and equipment and a computer readable storage medium, and belongs to the technical field of Internet of Vehicles. The method comprises the following steps: acquiring a first analog signal for testing a target function of a vehicle; converting the first analog signal into a first CAN signal under a controller area network CAN protocol used by the vehicle; sending the first CAN signal to a controller corresponding to the target function in the vehicle, wherein the first CAN signal is used for indicating the controller to perform a corresponding action; and receiving a second CAN signal fed back by the controller after executing a corresponding action based on the first CAN signal, and converting the second CAN signal into a second analog signal which is used for determining a test result of the target function. According to the mode, when the vehicle using different CAN protocols is tested, the test of the vehicle function and the determination of the test result can be completed according to the analog signal, and the efficiency of testing the vehicle function is improved.

The invention relates to a weak fault identification method of an underwater robot thruster based on wavelet packet energy and FFT, and belongs to the technical field of weak fault identification of the underwater robot thruster. The method comprises: performing noise reduction on controller and sensor data based on a wavelet packet noise reduction method; based on an empirical mode decomposition(EMD) method and a mutual-correlation criterion, extracting energy characteristics of the data subjected to noise reduction; and at the same time, performing frequency-domain analysis on the data subjected to noise reduction based on an FFT method, to obtain improved frequency-domain characteristics; performing contrast calculation on a fault matrix composed of energy and the improved frequency-domain characteristics and a sample matrix based on a grey correlation analysis method, to realize weak fault identification. The weak fault identification method can effectively solve the problem thatwhen weak fault identification is performed by only adopting a single time domain or energy characteristic, the weak fault identification accuracy is lower because characteristic changes are non-single and it is easy to lose some important information, thereby improving the weak fault identification accuracy. The method is applicable to the fields such as weak fault identification of the underwater robot thruster, and has broad application prospects.

The invention relates to the power system technology field, especially relates to a wind farm SVC reactive adjusting capability testing system. Requirements of a national standard (Q/GDW11064-2013 wind farm static var compensator technical performance and test specification) on wind farm SVC reactive adjusting capability is analyzed. According to the requirement of the national standard, testing points and a testing flow are determined, and a reactive adjusting capability testing system is used to transmit a predetermined reactive value, and is used to acquire the three-phase voltage value of the low voltage side of the main transformer of the wind farm and the three-phase current value of the outlet of the SVC. The reactive adjusting capability testing system is used to acquire the reactive output condition of the SVC. The maximal reactive output value and the adjusting precision of the wind farm SVC at a rated voltage are calculated by a measured voltage value and a measured reactive value. Whether the adjusting precision meets the requirements is verified. The wind farm SVC reactive adjusting capability testing system is advantageous in that operation is simple, and on-site realization is facilitated; the reactive adjusting capability of the SVC is reflected in a real way; intervention of static var compensator manufacturers is not required during a testing process, and manual intervention is prevented, and then uncertainty of on-site testing is reduced.

The invention discloses a motion controller accelerated degradation test method based on an acceleration factor. The motion controller accelerated degradation test method comprises the following steps: step 1, designing a motion controller accelerated degradation test scheme; step 2, puttinga sample into a temperature test box for testing, and the like. The method is characterized in that the pulse width difference of the output signal is used as a test index of performance degradation of a motion controller, the temperature is used as acceleration stress, and the performance degradation process of the motion controller is modeled by using performance data obtained in a short-time acceleration test, so that the reliability and the service life of the motion controller under normal conditions are predicted. According to the method, the failure process of the motion controller under normal conditions can be reflected, an acceleration test is carried out with a large acceleration coefficient, the test time is shortened, and a feasible technical method is provided for research on the degradation life of the motion controller.

The invention provides a test terminal platform of a transformer substation safety automatic device. The test terminal platform comprises a switch chip, a self-adaptive power supply module and a function realization module, wherein the self-adaptive power supply module and the function realization module are connected with the switch chip. The self-adaptive power supply module connected with a PCcomprises two network ports, two first switches, an external power supply interface, at least one step-down conversion module and a second switch. The function realization module is also connected with a transformer substation safety automatic device. After one network port is connected with the PC or a network device and the other network port is in cascade connection with a network port of an adjacent test terminal platform and adjacent power supply is not received, corresponding switch control is carried out, so that power is provided for the adjacent test terminal platform by utilizing thenetwork port cascaded connection after local independent power taking and data are transmitted with the adjacent test terminal platform, the substation safety automatic device, the PC and the like ina self-networking manner. Therefore, the dependence on a switch can be eliminated; independent configuration of power supply concentrators with power supplies or various power supplies can be avoided; and the access cost and difficulty of the test terminal platform and other network equipment can be reduced.

The invention provides a fault diagnosis method for a control system based on a direct-current electric mechanism simulator. The fault diagnosis method comprises the steps of constructing the direct-current electric mechanism simulator through design, enabling a servo controller to form a closed-loop working system through employing a real direct-current electric mechanism as a control object, andenabling the direct-current electric mechanism simulator and the real direct-current electric mechanism to work in parallel. Therefore, real-time monitoring of the working state of the real direct-current electric mechanism can be realized by comparing the respective output quantities of the direct-current electric mechanism simulator and the real direct-current electric mechanism, real-time monitoring of the working state of the real direct-current electric mechanism can be realized according to the difference between different types of output quantities, specifically, the fault type and thefault component of the real direct-current electric mechanism are determined, so that the accuracy, reliability and high efficiency of fault diagnosis of the real direct-current electric mechanism are improved.