481results about How to "Tested and reliable" patented technology

Embodiments of the solid-state storage system provided herein are configured to perform improved mechanisms for testing of error recovery of solid state storage devices. In some embodiments, the system is configured to introduce or inject errors into data storage commands or operations performed in the non-volatile memory. Injected errors include corruption of data stored in the non-volatile memory, deliberate failure to execute storage operations, and errors injected into communication protocols used between various elements of the device. In some embodiments, injected errors can include direct errors that trigger an immediate execution of error recovery mechanisms and delayed errors that trigger execution of error recovery mechanisms at a later time. Error recovery mechanisms can be tested in an efficient, reliable, and deterministic manner to help ensure effective operation of storage devices. The integrity of non-volatile memory can also be tested.

A test script transformation architecture helps generate accurate test scripts for evolving applications. Applications often have complex graphical user interfaces for which the permutations and combinations of GUI elements give rise to an enormous field of potential commands and command sequences to be tested. Furthermore, these applications change over time, rendering prior test scripts unworkable. The architecture facilitates the automatic generation of new test scripts to reliably test subsequent application versions, while greatly reducing the time, cost, and resource expenditures needed to arrive at new test scripts.

The invention relates to the technical field of bearing testing, in particular to a bearing integrated dynamic performance test device and method. The bearing integrated dynamic performance test device comprises a drive system, a transmission system, a measurement and control system, an environmental simulation system and a mechanical body structure. A motor is adopted by the drive system for driving. The measurement and control system controls the rotation speed of the motor. The transmission system is in a belt transmission mode or a coupler transmission mode. The measurement and control system is provided with a force sensor, a strainmeter, an eddy current transducer, a rotation speed sensor, a laser displacement sensor, a temperature sensor, a magnetic oil residue sensor, a pressure sensor, a flow sensor, an oil temperature sensor, an acceleration sensor and other related sensors used for bearing testing. The control system is driven in a servo mode, and is composed of a frequency converter, a hydraulic solenoid valve, a heating controller, a flow control device and a pressure control device. The environmental simulation system is adopted for simulating a real bearing testing working condition, and the performance and service life testing of the real bearing testing working condition is achieved.

It is intended to provide a blood test apparatus whereby the vicinity of a site to be punctured for collecting the blood can be negatively pressurized and the negative pressurization can be conducted at an appropriate time without resorting to a special operation, thereby facilitating a blood test. More specifically speaking, a blood test apparatus which comprises: a housing having an opening: a puncture means located in the opening; a first sensing means whereby the contact of the front face of the opening with a site to be punctured is detected; a negative pressurization means whereby the inside of the opening is negatively pressurized; a blood sensor whereby the blood, that flows out from the punctured site having been punctured by the puncture means after negatively pressurizing the inside of the opening by the negative pressurization means, is collected; and a measurement circuit whereby a signal obtained from the blood sensor analyzing components in the blood is measured, wherein the negative pressurization means starts up when the first sensing means detects the contact of the front face of the opening with the site to be punctured.

The invention discloses a fast CRISPR-Cas9 working efficiency testing system and application thereof. The testing system comprises a plasmid used for expressing sg RNA, a plasmid used for expressing Cas9 and a reporting system used for testing the CRISPR-Cas9 gene editing efficiency; the reporting system can splice the C-terminal of a nucleotide segment capable of coding effective protein and the N-terminal of a reporter gene and insert two restriction endonuclease enzyme digestion sites into the splicing position; before a special gene is edited (knocked out) through the CRISPR-Cas9 system, selection of a target sequence is vital, and the selection can influence the recognition efficiency of the sg RNA to target DNA, the binding efficiency of the sg RNA with the target DNA, the targeted cutting efficiency of the Cas9 and the NHEJ repairing efficiency. According to the system, the gene editing efficiency of different sgRNA-target DNA sequences can be quantitatively compared, the sgRNA with the best working effect can be determined within a short time, the actual knockout success rate is increased, therefore, the working cost can be lowered, the working efficiency can be improved, and the working progress can be promoted.

The invention discloses a testing device of gunpowder combustion characteristics in vacuum, which mainly comprises a combustion chamber, a vacuum pump, an electric heater, a thermoelectric couple, a high speed camera and a data acquisition and processing system; wherein, the vacuum pump provides vacuum environment for the combustion chamber; by controlling the heating current and the heating time of the electric heater, different ignition isoperibols can be provided for tested gunpowder samples in the combustion chamber; and the data acquisition and processing system collects the test data generated by the thermoelectric couple and the gunpowder combustion images shot by the high speed camera when the tested gunpowder samples combust, and finally obtains the combustion characteristics of the tested gunpowder samples through corresponding processing and calculation. The invention not only can be used for testing the parameters such as combustion speed, combustion surface temperature and combustion heat and the like of the gunpowder in vacuum, but also can be used for the generation and collection of the combustion products of the gunpowder under different vacuum conditions. The invention has the overriding advantages of high integration level, obtaining various parameters by one testing and low testing expenses.

A test script transformation architecture helps generate accurate test scripts for evolving applications. Applications often have complex graphical user interfaces for which the permutations and combinations of GUI elements give rise to an enormous field of potential commands and command sequences to be tested. Furthermore, these applications change over time, rendering prior test scripts unworkable. The architecture facilitates the automatic generation of new test scripts to reliably test subsequent application versions, while greatly reducing the time, cost, and resource expenditures needed to arrive at new test scripts.

Methods and systems for testing tags in volume are described. According to a first embodiment, an array of radiation sources is present. Each radiation source in the array corresponds to a tag in a plurality of tags. A plurality of radiation sources in the array controllably emit radiation to their corresponding tag to inhibit operation of an integrated circuit of their corresponding tag. A first radiation source in the array does not emit radiation to its corresponding tag. The tag corresponding to the first radiation source is tested. In a second embodiment, an array of blocking elements is present. Each blocking element in the array corresponds to a tag in a plurality of tags. The blocking elements in the array controllably inhibit radiation from being incident upon corresponding tags. A first blocking element in the array inhibits radiation from being incident upon its corresponding tag. The tag corresponding to the first blocking element is tested.

A semiconductor device is provided. The semiconductor device applies data applied through a bump pad on which a bump is mounted through a test pad to a test apparatus such that the reliability of the test can be improved. The amount of test pads is significantly reduced by allowing data output through bump pads to be selectively applied to a test pad. Data and signals applied from test pads are synchronized with each other and applied to bump pads during a test operation such that the reliability of the test can be improved without the need of an additional test chip.

The invention discloses a reheating crack sensitivity test method for dissimilar steels. By consulting a Y-shaped groove welding crack test method of GB 4675.1-84 weldability test, the method comprises the steps of test piece preparation, test process and evaluation. Compared with the prior art, the method has the advantage of conveniently and reliably testing and evaluating the reheating crack sensitivity of the welded dissimilar steels. Meanwhile, by the test method, reliable basis is provided for selecting optimal welding materials and heat treatment temperatures during welding the dissimilar steels.

A method of vehicle suspension testing includes conducting actual road testing of a vehicle including collecting data, and generating a drive file from the collected data for road test simulation. A vehicle suspension parameter is changed to result in a changed vehicle. Initial simulated road testing of the changed vehicle is conducted using the drive file, and results from the simulated and actual road testing are compared using acceptability criteria to determine whether to conduct further actual road testing of the changed vehicle before conducting further simulated road testing of the changed vehicle in response to the changed suspension parameter. Further simulated road testing of the changed vehicle is conducted if the acceptability criteria are met. Otherwise, further actual road testing of the changed vehicle is first conducted to develop a new drive file for use with additional simulated road testing of the changed vehicle.

A probe for engaging a conductive pad is provided. The probe includes a probe contact end for receiving a test current, a probe retention portion below the contact end, a block for holding the probe retention portion, a probe arm below the retention portion, a probe contact tip below the arm, and a generally planar self-cleaning skate disposed perpendicular below the contact tip. The self-cleaning skate has a square front, a round back and a flat middle section. The conductive pad is of generally convex shape having a granular non-conductive surface of debris and moves to engage the skate, whereby an overdrive motion is applied to the pad causing the skate to move across and scrub non-conductive debris from the pad displacing the debris along the skate and around the skate round back end to a position on the skate that is away from the pad.

An optical module is formed by sticking the optical element mounting substrate and the sealing substrate together, then by sealing the stuck body. The optical mounting substrate includes an optical element on its top surface and it is used to guide electrical signals to its back side through a through-via hole provided in itself. The sealing substrate includes a lens at its back side and a recessed part used to hold an optical fiber at its front side.

The invention discloses a dissimilar steel cold crack sensitivity test method, which refers to an inclined Y type groove welding crack test method of a GB 4675.1-84 weldability test, and comprises test material preparation, test process and evaluation. Compared with the prior art, the invention has the advantage that the cold crack sensitivity in the dissimilar steel welding can be conveniently and reliably tested and estimated. Meanwhile, the test method provides a reliable basis for choosing best welding material and preheating temperature during the dissimilar steel welding.

The invention provides a water conveyance tunnel with a prestressed composite lining for shield tunnelling. The tunnel comprises an ordinary reinforced concrete outer lining (1) which is formed by shield construction and is an assembled segment ring, wherein segments on the same ring are connected by connecting bolts (2); dowel bars (3) are installed in hand holes on the assembled segment ring; concrete is directly poured on the outer lining (1) to form an inner lining (5); shear keys (6) are formed in such a manner that concrete is filled in the hand holes of the outer lining; and the inner lining (5) and the outer lining (1) are combined via the dowel bars (3) and the concrete shear keys (6) to form a composite lining structure. Thus, the defects of great construction difficulty, long construction period and higher investment caused by the separated pressure pipeline water conveyance scheme for shield tunnelling are overcome. The technical problems of high head, high flow, high load and possibility of endangering the tunnel safety due to seepage of underground water, which are encountered when the soft soil layer of the riverbed is tunnelled in the shield tunnelling construction of the Yellow River crossing tunnel, are solved. Besides, the invention reduces the project investment and has obvious social benefits.

The invention discloses a carbon fiber gas cylinder detection line and a carbon fiber gas cylinder detection method. The detection line includes, in a front-to-back arrangement manner, a water pressure test apparatus, a water pressure auxiliary test apparatus and an air tightness test apparatus. The water pressure test apparatus includes a test rack, a test operation bench, a pressurizing apparatus, a test case installed on the test rack, and test trolleys for stably placing a plurality of to-be-tested gas cylinders. The water pressure auxiliary test apparatus includes a gas cylinder fixture, a transporting trolley, and a gas cylinder water-pouring-away and drying device. The air tightness test apparatus includes an air tightness detection apparatus and a second air supply apparatus for supplying air to the to-be-tested gas cylinders. The air tightness test apparatus is in a cabinet structure or a ground trough structure. The detection method includes the steps of 1) water pressure test; 2) water pouring-away and drying treatment; and 3) air tightness test. The detection line is reasonable in design and simple in operations, is good in use effects, and can easily and quickly complete water pressure test and air tightness test for a plurality of carbon fiber gas cylinders.

A probe for engaging a conductive pad is provided. The probe includes a probe contact end for receiving a test current, a probe retention portion below the contact end, a block for holding the probe retention portion, a probe arm below the retention portion, a probe contact tip below the arm, and a generally planar self-cleaning skate disposed perpendicular below the contact tip. The self-cleaning skate has a square front, a round back and a flat middle section. The conductive pad is of generally convex shape having a granular non-conductive surface of debris and moves to engage the skate, whereby an overdrive motion is applied to the pad causing the skate to move across and scrub non-conductive debris from the pad displacing the debris along the skate and around the skate round back end to a position on the skate that is away from the pad.

The invention relates to an Android application software automation testing method based on the pile pitching technology. The method comprises the following steps of (1) decompiling tested Android application software, generating a resource file and a smali source file, (2) compiling probe codes, inserting the probe codes into the smali source file, obtaining the corrected smali file, (3) performing recompilation on the smali file obtained in the step (2), generating the application software for testing, and adopting the application software for completing the test of the tested Android application software. Compared with the prior art, the pile pitching technology is adopted to compile the probe codes and achieve inserting of the probe codes, finally the test of the Android application software is completed, and the method has the advantages of being simple and convenient to implement, reliable in test and the like.

The invention discloses a method of testing robustness of a closed loop protocol based on semantic analysis of a dynamic script, including steps of: building a test environment; conducting signal interaction between a smart telecontrol device and a protection device and a measuring and control device, receiving data signals coming from the protection device and the measuring and control device, and conducting information interaction with automatic testing software through a remote transmission communication protocol; using the automatic testing software to conduct output control over a tester through dynamic script language to make the protection device and the measuring and control device to send and transmit signals to the smart telecontrol device; sequentially controlling testing process of the smart telecontrol device by the automatic testing software, receiving messages delivered by the smart telecontrol device and using dynamic script to analyze the messages from the smart telecontrol device so as to produce a test report. The method makes it possible to flexibly compile and edit a test case and the test report, is universally applicable and significantly improves the testing efficiency and the correctness and reliability of the test result.

The invention relates to a real-time measure method for the performance of multi-path photo-voltaic cell which comprises steps of: expanding measure channel via interface circuits and realizing measurement of multi-channel and continual real-time monitor of cell to get the aging characterization of photo-voltaic cell in long term working process; employing automatic control technology for real-time monitor on photo-voltaic cell and collection the light intensity and temperature of test environment. The invention has the advantages of being stable and reliable, and of being applied to the standard testing and aging testing of single and group photo-voltaic cells on process line.

The invention relates to the field of power system devices, in particular to a novel method for triggering thyristor for converter valve module test. The triggering method adopts a digital triggering technology, and VBE (Valve-Based Equipment) receives a synchronous signal and can generate a triggering coded pulse with any phase angle which can be conveniently and flexibly adjusted according to the synchronous signal. The reliable triggering of a thyristor under a low voltage is a basis for ensuring the normal and reliable operation of a converter valve and needs two conditions: (1) the voltage difference between the anode and the cathode of the thyristor is a positive voltage, and (2) the thyristor can be triggered and conducted only when the triggering pulse is received. The triggering pulse for reliably triggering the thyristor under a low voltage is provided by TE (Thyristor Electronics), a low-voltage circuit provides the TE with energy for normal work, the TE receives and decodes the triggering coded pulse from the VBE and then provides a voltage and a current to trigger and conduct the thyristor through a power amplifier so as to trigger and conduct the thyristor.

The invention discloses a wiring harness stretch performance detection device which comprises a working platform, a pull load mechanism and a clamping mechanism. The pull load mechanism comprises a cylinder. An output part is a piston rod of the cylinder. The clamping mechanism comprises two groups of clamping components. Each clamping component comprises two fixing plates. Arc grooves used for clamping wiring harness are arranged in the corresponding positions of the two fixing plates. One of the clamping components is fixedly arranged on the working platform. The other clamping component is connected with the output part of the pull load mechanism in a rigid mode and capable of moving under the action of the pull load mechanism. Due to the fact that load and release motion of the wiring harness to be detected are executed by a pneumatic system, the wiring harness stretch performance detection device is capable of being simple and direct, lower in cost, environment-friendly and free from pollution. Load speed is adjusted by a speed adjustment valve so that detection is more accurate, comprehensive, real and reliable. The clamping mechanism of the wiring harness stretch performance detection device is simple and direct in design and convenient to install and operate. Detail processing of the surface is unique. The surface of the wiring harness to be detected is not pressed and damaged due to the design of double-arc transition. The wiring harness is capable of being normally used after the wiring harness is detected so that waste is avoided.

The invention discloses a roadbed deformation monitoring model device under a traffic load and an experimental method, belonging to the field of traffic engineering. According to the invention, traffic loads in different speed requirements are simulated through changing of rotation speed of a rotating wheel; the volume of traffic flow is simulated through a vertical loading device; the sedimentation of a roadbed in a model box is observed with reference to scales of the model box through photography measurement equipment. In order to facilitate observation, foundation soil is layered, color powder is laid between every two layers of foundation soil, and comparison is made according to scales on tempered glass, so as to facilitate the observation for sedimentation changes of all layers. A data acquisition unit is used for acquiring data through a soil pressure cell and an acceleration sensor that are buried in the roadbed, and the acquired data can be used for dynamic response analysis on foundation soil. According to the invention, different volumes of the traffic flow of different roads are simulated according to different loading ways and rotating speeds of the wheel, the operation is simple, convenient and practical, and the defects of indoor experimental devices for simulating the traffic load at home are overcome.

An inkjet recording apparatus has: a head having a plurality of nozzles which eject an ink onto a recording medium; a conveyance device which conveys the recording medium; a droplet ejection control device which controls ink ejection of the head; a test image forming device that forms a test image on the recording medium by causing the ink to be ejected from every n (where n is a natural number equal to 2 or higher) nozzles in an X direction perpendicular to a direction in which the recording medium is conveyed, and causing the ink to be ejected so as to form vertical lines forming n columns which shift by one nozzle in the X direction and each extend continuously in terms of a Y direction parallel to the direction in which the recording medium is conveyed; and a reading device which is provided on a conveyance path of the recording medium, reads in a test image on the recording medium and has an image reading structure covering a length corresponding to full width of the recording medium in a breadthways direction which is perpendicular to the direction in which the recording medium is conveyed, wherein in the test image, an arrangement pitch in the X direction of the vertical lines is equal to or exceeding a reading pitch in the X direction of the reading device, an arrangement pitch in the Y direction of the vertical lines is N times a reading pitch in the Y direction of the reading device (where N is a natural number), and an interval corresponding to variation in a conveyance of the recording medium is provided between the vertical lines in such a manner that a length in the Y direction of each of the vertical lines is less than the reading pitch in the Y direction of the reading device.

The invention belongs to the technical field of a lithium ion battery and particularly relates to a method for testing the expansion of a pole sheet of a lithium ion battery. The testing method comprises the following step of: adhering a layer of a lithium ion insulating material to an anode sheet or a separation membrane before assembling, or removing a certain area of cathode coating by using a solvent so that no lithium ion is embedded into an anode area corresponding to adhering area or the part of a cathode without a coating in a charging process. Therefore, the expansion of the anode sheet can be measured in a charging / discharging process and a circulating process in situ. Compared with the traditional anode expansion testing method, the testing method is used for accurately calculating the anode expansion in the charging / discharging and circulating processes according to the thickness difference of the same anode sheet at different positions, thereby eliminating influences caused by other factors, such as initial thickness difference among the different pole sheets; the obtained result is more accurate and the uniformity is better. The testing method not only can test the expansion rate of a dual-face area of the anode, but also can accurately test the expansion rate of a single-face area of the anode. Furthermore, the testing method provided by the invention is simple and easy to operate, is high in generality and is convenient to actually operate.

A probe card of this invention includes a contactor, printed wiring board, interposer, connecting member, and reinforcing member. The interposer is arranged between the contactor and printed wiring board to bring the contactor and printed wiring board into contact with each other flexibly and electrically. The connecting member integrates the contactor, printed wiring board, and interposer. The reinforcing member reinforces the printed wiring board integrated through the connecting member.