436 results about "Site testing" patented technology

The invention provides a platform technology with rich ability to flexibly perform, create, deploy, maintain, and update a wide range of panels, assay, array, and/or sequence of tests for a wide range of substances and pathogens. The invention provides a unifying framework for widely-ranging miniature sensor implementation, fluidic/gas interfacing, electrical interfaces and optical interfaces, and further by collocating, allowing the integration a large number highly-selective sensors and chemical sensors—together as needed with appropriately selected supplemental sensors (for example temperature, pH, selective ions, etc.), into a common readily-manufacturable framework. The diverse sensor arrays give rise to statistical enhancing through novel statistical processing approaches. The invention is deployable and useable in a wide range of situations previously unavailable, and addresses many otherwise problematic aspects of field testing for food safety, water safety, epidemic outbreaks, routine diagnosis, and disease monitoring.

The invention discloses a system and a method for measuring water level based on image vision, which is used for measuring large measuring range water level of places of reservoirs, hydropower station and the like. A CCD camera is arranged right above a floater device for acquiring videos; the videos are converted into digital image frames through a video A/D acquisition module; a floater image area in a dynamic image is influenced by distance changing between the floater and the CCD camera, wherein the distance changing between the floater and the CCD camera is caused by water level changing; the acquired floater image area in the videos is computed through an FPGA processing module, and a relative distance between the floater and the CCD camera is obtained for measuring the water level. In the invention, the water level can be measured indirectly through the floater area in the videos measured by the image vision technology without an expensive water level sensor, and the cost is low; by adopting a modularized design method, the invention has the advantages of simple installation, convenience for on-site measurement and system maintenance, and high adaptability.

Dynamic coordination and control of network connected devices within a distributed processing platform is disclosed for large-scale network site testing, or for other distributed projects. For network site testing, the distributed processing system utilizes a plurality of client devices which are running a client agent program associated with the distributed computing platform and which are running potentially distinct project modules for the testing of network sites or other projects. The participating client devices can be selected based upon their attributes and can receive test workloads from the distributed processing server systems. In addition, the client devices can send and receive poll communications that may be used during processing of the project to control, manage and coordinate the project activities of the distributed devices. If desired, a separate poll server system can be dedicated to handling the poll communication and coordination and control operations with the participating distributed devices during test operations, thereby allowing other server tasks to be handled by other distributed processing server systems. Once the tests are complete, the results can be communicated from the client devices to the server systems and can be reported, as desired. Additionally, the distributed processing system can identify the attributes, including device capabilities, of distributed devices connected together through a wide variety of communication systems and networks and utilize those attributes to organize, manage and distribute project workloads to the distributed devices.

The invention discloses a modularized automatic test assembly system of a rely protection device and a test method of the modularized automatic test assembly system. The modularized automatic test assembly system comprises three layers of system structures: an interface layer, a logic layer and a data layer; the data layer comprises a database and the database is internally provided with a test template and a report template of the rely protection device; the test template is arranged for respectively representing all functions of different rely protection devices of different factories; the report template comprises a test report; a writing position of a test result of the test report is in a user defined mode; through the test template, the system further obtains the evaluation of the performance of the rely protection device; after a test is finished, a test report of the user defined mode can be automatically and immediately generated; and the system finishes an integrated function of testing and evaluating the rely protection device. The modularized automatic test assembly system of the rely protection device and the test method of the modularized automatic test assembly system, disclosed by the invention, have the beneficial effects that the function is complete, and the site problems that the site time testing time is long, a test environment is complicated, the artificial judgment can be wrong and the test report can not be written in time are solved.

The invention discloses a direct shear testing device of saturated rock soil samples, which relates to the technology of mechanical strength test of rock soil. The structure of the direct shear testing device comprises a sample shear box, a loading system, a saturation system, a vacuum pump and a data acquisition system which are fixed on a frame to form a whole body, wherein the shear box is arranged in a water channel of the saturation system and guarantees the sample to be saturated completely, the loading system comprises a vertical loading system and a transverse loading system, the vertical loading system and the transverse loading system are respectively connected with the shear box and realize vertical loading and transverse loading of the shear box, the vacuum pump is connected with the saturation system and used for vacuumizing the closed water channel, and the data acquisition system is connected with the shear box and the loading system respectively and used for monitoring and recording the force and the displacement of the shear box. The direct shear testing device realizes direct shear tests of small-size and medium-size gravel soil, crack soil and soft rocks, and particularly can realize site tests of samples on the construction site and reciprocating direct shear tests of saturated rock soil.

The invention relates to a microorganism enhanced oil recovery method, in particular to a method for improving oil well yields by means of oil pool indigenous microorganisms. The method includes the following steps of (1) screening of a test oil well, (2) screening of activating agents, (3) confirming of the injection rate of the activating agents, (4) confirming of well closing time and (5) on-site testing. By means of the indigenous microorganisms existing in the activated oil well, on-site test cost is thereby saved, different formulas of the activating agents are chosen according to the different indigenous microorganisms, activating effects and on-site test effects are effectively improved, the stratum cannot be damaged and the environment cannot be polluted when nutrient substances are injected, and therefore the method can be widely used for microorganism enhanced oil recovery.

The invention relates to impulse response analytical test apparatus and method for detecting deformation of transformer winding, belonging to the technical field of transformer winding detection. The apparatus mainly comprises an impulse generator, a broadband digital oscilloscope, a computer, a high-voltage probe, a head end signal impedance matching device, a tail end signal impedance matching device and a screened coaxial cable. In the method, site test and analysis are carried out by using the apparatus. The invention has the advantages of high test sensitivity, rapid detection, strong capacity of resisting disturbance and flexible analytical method, and can detect slight deformation of the transformer winding and judge early potential faults effectively with high judging accuracy. The invention can be widely applied to the detection of the deformation of the transformer winding and the state overhauling.

The invention discloses a test method of a drill hole gas extraction effective radius. The test method of the drill hole gas extraction effective radius comprises the following steps: selecting a sulfur hexafluoride (SF6) gas trace method to conduct spot test, under the condition of testing different pitches, sampling and collecting the SF6 gas required time which is detected by a detection hole, establishing a module at the basis of the Darcy law based on the occurrence of coal seam condition of the detecting location, simulating the flowing condition of the SF6 gas in a gas seepage field; calculating and obtaining the required time Ti'of the SF6 gas which moves to a sampling and collecting test hole, calculating a sampling and collecting effective coefficient a; detecting the required time of the SF6 gas based on the sampling and collecting detection hole detected by the SF6 gas trace method, calculating the required time which lowers the relative distance gas pressure below an effective value, and calculating the drill hole gas extraction effective radius based on power function relation between drill hole sampling and collecting gas effective extraction effective radius r (m) and the sampling and collecting time t (d). The test method of the drill hole gas extraction effective radius adopts combination of a direct method and an indirect method, and solves the problems that a plurality of defects exist by using the direct method to detect a drill hole gas extraction radius and extraction effective index is difficult to ascertain.

Testing and comparing mobile web sites by connecting mobile devices to an emulator computer; providing a web page that provides for a user selection of one or more of the connected mobile devices; providing a URL selection control that enables the user computer to select a URL of a target website to be tested; receiving from the user computer a selection of the URL of the target website to be tested and a selection of one or more mobile devices on which to test the target website; for each of the mobile devices selected by the user, connecting with the target website selected by the user and downloading at least one web page from the target website; assembling a web page comprising images of the web pages downloaded from the target website to each of the mobile devices; and sending the assembled web page to the user computer display.

Results of field testing of portions of a distributed system such as a Broadband Communications System from a testing device to a controller which downloads programmed test protocols and sequences thereof to the separate testing device over a wired or wireless link and thereafter can be used to control the testing device as well as display test results and provide analysis of the test results and suggest procedures to technical personnel. The controller then can transmit the test data to a central facility or distribution hub in substantially real-time together with work performance data where full technical analysis can be performed. The test data and results of analysis can then be distributed as desired such as to a management analysis facility to support improvement of efficiency of the system and the operation thereof.

An integrated high and low voltage ride through test system, comprising a primary system and a secondary system; the secondary system controls the primary system to realize information interaction, and is connected to a power grid and a wind generation set via an inlet wire switch cabinet and an outlet wire switch cabinet of the primary system; the integrated high and low voltage ride through test system actually simulates voltage drop and rise characteristics in a power grid failure, ensures that when generating a low voltage and a high voltage, the change of a voltage phase angle and power quality are consistent with actual power grid failure characteristics, and enables coherent low voltage and high voltage ride through capacity testing on the wind generation set in a primary test process. The test system employs a structural design of a mobile vehicle-mounted container, with all component modules thereof being integrally installed in a standard container, free from the impact of weather and geographical environment, being able to conduct all-weather on-site testing in any wind farm, and having good environment adaptability.

A method includes analyzing, on a first computing device, data from second computing device(s) of user interaction with a user interface of an application previously executed on the second computing device(s). The data corresponds to events caused by the user interaction with the user interface of the application. The first computing device generates representation(s) of the analyzed data and outputs the representation(s) of the user interaction. Another method includes capturing and logging, by a computing device, events caused by user interaction with a user interface of an application when the application is executed on the computing device. In response to a trigger, data comprising the captured and logged events is sent toward another computing device. Another method includes instrumenting a measurement library into an application to create an instrumented version of the application, and sending the instrumented application to computing device(s). Methods, apparatus, software, and computer program products are disclosed.

Aiming at disadvantages of current on site testing instrument for industrial control network, the invention designs portable instrument of analyzing and on site testing industrial Ethernet protocol (IEP). The designed instrument possesses features: monitoring state of EPA network in real time; carrying out performance analysis based on message of equipment declaration on network; detecting whether network connection and equipment are connected to network correctly; determining route of target equipment (TE), querying information of TE, detecting port state of TE; testing whether the tested object realizes service declared by the object according to EPA standard; testing time Synch precision between tested equipment and main clock; based on EPA standard to carry out deterministic scheduling analysis for message captured from network; carrying out attribute test for objects in management information database etc. The invention can widely be applicable to analyze and on site testing IEP.

The invention discloses one method and system to realize the test on any two end systems property parameters in IP network in any place, which comprises the following steps: firstly downloading test programs to central register and manager person sets control strategy and sends test through browser; test servo starts mobile probe for test and sending test message to signal station to fulfill test result into data servo to display results.

The invention relates to a method for forecasting rock blasting damage depth of nuclear power projects. The method comprises the following steps of performing the blasting vibration testing to determine a site vibration attenuation rule; performing the sound wave testing to primarily determine the rock damage depth; performing the finite element numerical simulation, and calculating the rock particle vibration speed and rock blasting damage depth; respectively establishing the change rules of the particle peak vibration speed (1m away from a blasting source R) along with the rock blasting damage depth under the step blasting and pre-fracturing blasting types; substituting the explosive charging quantity Q0 of an actual section into the site blasting vibration attenuation rule and the change rules of the particle peak vibration speed along with the rock blasting damage depth, so as to forecast the blasting damage depth caused by the explosive charging quantity. The method has the characteristics that one part of site sound wave testing can be replaced with the numerical simulation, the site testing frequency is reduced, the field workload is reduced, and the construction efficiency is improved; the site blasting group hole effect is comprehensively considered, the forecasting is accurate, and the operation is convenient and rapid.

The invention provides a CO2 drive technological limit well spacing determination method for a low-permeability oil reservoir. The method comprises the steps that the minimum miscible pressure of CO2 and crude oil is determined through a long-thin pipe displacement test; through a rock core displacement test, with the combination of the minimum miscible pressure of the crude oil, the relational expression of the change of starting pressure gradient along with fluidity under the miscible phase and immiscible phase conditions is determined; a calculation formula of a CO2 drive technological limit oil supply radius is established through an oil reservoir engineering method; through a site test method or an oil reservoir numerical simulation method, stratum pressure distribution conditions are obtained, a miscible phase area and an immiscible phase area are determined, and the proportionality coefficient of the miscible phase area and the immiscible phase area is calculated; and through a calculation formula of CO2 drive technological limit well spacing, stratum technological limit well spacing under the current condition is obtained through calculation. According to the CO2 drive technological limit well spacing determination method for the low-permeability oil reservoir, oil field potential is further exploited, economically recoverable reserves are increased greatly, the resource exploitation basis is enhanced, and the crude oil recovery ratio is further increased.

The invention discloses a conduction insulation test method for a low-frequency cable network, the proposal of testing insulation leakage characteristics comprises that: a certain lead wire is separated from other lead wires in a cable to be tested, other lead wires are short-circuited, and the test of insulation leakage characteristics for the lead wire with respect to other lead wires is completed at a time by using direct current high voltage current generated by a megger. And the proposal of testing low-frequency impedance characteristics comprises that: two adjacent lead wires in the cable to be tested are short-circuited, and the low-frequency impedance characteristics of the two lead wires are tested at a time by using a multimeter. The test method according to the invention has the characteristics of simple and convenient operation, less used tools, high test efficiency and the like, is more outstandingly advantageous for long well-laid cable network and particularly suitable for the requirement of onsite test.

The invention discloses a system for real-time monitoring the abnormal change of satellite telemetry parameters, comprising a data receiving module, a data preprocessing module, a parametric variation detection module, an out-of-range abnormality judging module, an amplitude variation abnormality judging module, a long periodic variation abnormality judging module, an alarming filtering module and a data recording module. By adopting the invention, the abnormal variations of the trend of the telemetry parameters can be detected, wherein the variations include the short-term trend abnormal variation and the long-term trend abnormal variation, the periodic variations of the satellite telemetry parameters can be continuously and circularly monitored, the exact monitoring and alarming for various abnormal circumstances of the satellite telemetry variations can be realized, and plenty of field testing information is provided for analyzers. The system solves the problems of real-time monitoring, judging, alarming, and the like of many telemetry parameters and has higher sensitivity and real-time property, thereby reducing the labor intensity of a tester and improving the test efficiency.

The present invention relates to vibration measurement. The dynamic swinging frame rigidity measurement system for large high speed dynamic balance machine includes force hammer, acceleration sensor, charge amplifier and signal analyzer. The force hammer with force sensor is set separately and knocks the bearing seat during measurement, the acceleration sensor is set on the bearing seat, the force sensor and the acceleration sensor have their outputs connected separately to the inputs of charge amplifier, the charge amplifier has its output connected to the input of the signal analyzer. The present invention is simple, easy in operation, fast and reliable, and is suitable for in-situ measurement of harsh environment especially.