213 results about "Static testing" patented technology

The invention relates to a material mechanical property in-situ testing system and method in a dynamic and static load spectrum, and belongs to the field of mechanical tests. The system integrates the following functions: a static testing function of biaxial drawing and shearing in an orthogonal plane, a shearing static testing function, a double shaft pull-pull mode fatigue testing function, and a static/dynamic press testing function. A complicated static/dynamic load spectrum can be established. Multi-mode composite load mechanical property evaluation can be performed on a film material or a block material, for example: high-cycle fatigue tests based on double-shaft pre-stretching load and impact press tests based on double-shaft stretching-shearing pre-load. At the same time, special defects are pre-fabricated on the central area and cross shaped arm area of a test piece; the analysis functions of a variable-zoom optical imaging system or a digital speckle strain analysis system can be utilized; the provided system and method can also be used to research the deformation behavior and cracking expansion rules of micro defects in a component under a multi-dimensional stress, and an evaluation tool is provided for performance degradation rules of products and optimized preparation method of materials.

The invention discloses a dynamic and static testing system for a multifunctional wharf structure. The dynamic and static testing system comprises a detachable large-rigidity bearing frame, a vertical loading actuator, a horizontal loading actuator, a multi-channel controller, an electro-hydraulic servo oil source system, a data collecting system as well as a displacement and force sensor. The maximum clearance size of the loading frame is 4.5m* 4.5m*4.5m (L*W*H); a testing space can be randomly adjusted according to test sample requirements; a loading mode is that vertical and horizontal combined loading can be finished through two 10-100 t static vertical actuators and 3-20t dynamic horizontal actuators; integral or member stress performance tests of the high pile frame wharf structure with large water level difference under a combined effect of various complicated working conditions such as gantry crane load, piling load and ship load are simulated. The invention further provides a dynamic and static testing method for the wharf structure, which can be used for really simulating the stressed deformation performances of the wharf structure under various complicated stressed conditions and can be also used in stress experiments of similar structures.

The invention provides a pseudo-static testing device for concrete columns after non-peripheral fire exposure and an implementation method thereof. According to the fire exposure of a concrete column, two movable stove walls plus a temporary filling wall built in the middle opening are combined to form a fourth stove wall of a stove of the testing device. The stove is arranged in the body of a reaction frame, and a vertical load application unit is mounted on the bottom of a middle horizontal steel beam to apply vertical load on the concrete column; and a horizontal tension-compression servo loading unit is mounted on a horizontal reaction wall, and can apply pushover load and low-cycle horizontal reversed load on the concrete column specimen. The testing device first carries out a fire test under non-peripheral fire exposure on a loaded concrete column, and then carries out a pseudo-static test after fire extinguishment and cooling, and a data acquisition system is used for acquiring air pressure, temperature, displacement and load at each measuring point. The invention is applicable to the experimental study on the fire resistance and post-fire anti-seismic performance of concrete columns under non-peripheral (such as three-side, two-neighboring-sides and single-side) fire exposure.

The invention discloses a system for testing ultrasonic dynamic burning rate of a solid propellant, comprising a burning chamber, a gas distribution unit and a testing and controlling unit, wherein an ultrasonic transmitting and receiving unit is arranged at the top or bottom of the burning chamber; the ultrasonic transmitting and receiving unit is composed of an ultrasonic probe and a coupling medium; the coupling medium is a cylinder; two end surfaces of the coupling medium are respectively closely contacted with a working surface of the ultrasonic probe and a sample of the solid propellant; and the testing and controlling unit is used for controlling initial temperature and pressure of the burning chamber, detecting temperature and pressure of the burning chamber, and real-time burning parameters of the solid propellant, controlling the ultrasonic waves of the ultrasonic probe for transmitting fixed frequencies, receiving echoes from a burning surface of the solid propellant, and collecting and processing data. The system can test parameters such as static burning rate, dynamic burning rate, burning rate pressure indexes, burning rate temperature sensitivity coefficients and the like; and the testing efficiency of the system is dozens of times than that of a static testing apparatus.

The invention discloses a marine environment and dynamic load coupling test equipment system, which comprises marine environment simulation environment box equipment (1) and an electro-hydraulic servo dynamic and static testing machine (2), wherein the electro-hydraulic servo dynamic and static testing machine comprises a testing machine loading head which applies power load to a test piece, a dynamic load control circuit and an electronic control cabinet; the electronic control cabinet is used for providing saline water and compressed air for a saline water spraying device; the electronic control cabinet is connected with the saline water spraying device via an air pipe and a water pipe; the test piece is fixedly arranged on a test piece support in the body of the marine environment simulation environment box; and the test piece is subjected to loading compression, stretching and bending deformation loading under different environments of saline water dipping, saline water fluctuation and saline water atomization. According to the marine environment and dynamic load coupling test equipment system disclosed by the invention, dynamic load as well as the environments of saline water dipping, saline water fluctuation and saline water atomization can be simultaneously provided for the experiment test piece, the characteristics of marine structure service under the marine environment conditions, such as marine underwater areas, water table fluctuation areas, splash areas and the like, can be simulated.

The invention provides a completely automatic eddy current sensor dynamic/static checking instrument, belonging to the measurement field. The completely automatic eddy current sensor dynamic/static checking instrument comprises a static testing disc, a static checking bracket, a dynamic checking bracket, a dynamic bias disc, a main driving motor, and a CPU and is characterized in that a linear module group with a movable guide rail extending frame is provided; the guide rail extending frame and the linear module group are provided with a positioning retaining block and a non-mechanical-contact type positioning switch; the guide rail extending frame is provided with the static testing disc; the disc surface of the checking instrument is provided with the static checking bracket; the guide rail extending frame is provided with the dynamic checking bracket; the dynamic bias disc and the main driving motor are arranged below the dynamic checking bracket; the CPU is connected with a stepping motor by a stepping motor driver and is connected with the main driving motor by a main motor driver at the same time; the non-mechanical-contact type positioning switch is connected with the stepping motor driver by a stepping motor control circuit; a probe is connected with a periphery function extending interface circuit of the CPU by a signal detection sampling circuit. The completely automatic eddy current sensor dynamic or static checking instrument is suitable for the dynamic and static checking of eddy current sensors.

The invention provides a full-automatic static testing method and system of a train. According to the method, after a zone controller ZC receives a static testing application sent by the train in a dormant state, the ZC carries out information interaction with computer interlocking equipment CI; if the static testing condition is met currently according to information interaction, the ZC sends an instruction of allowing static testing, and the train in the dormant state carries out static testing automatically. The system comprises an information interaction module and a static testing allowing instruction sending module. The full-automatic static testing method and system of the train realize dormancy awakening, static testing, train state real-time monitoring and reporting and other functions for the train in the unmanned or remote control state, the dormant and static testing process of the train is accurate and reliable, the running efficiency and automatic degree of the train are improved, and meanwhile the labor cost for urban rail transit is reduced.

The invention relates to a zoom type institution of testing mini type twisted bar rigidity, it includes test desk base, column, cross arm, the characteristic is that the cross arm cover the outer of column, the inferior extremity face touch the rise fall nut on the column, and setting the locknut on the lateral surface; setting the motion joint sleeve on the front cross arm, and locking the location by locknut, removing the suspension torque detector under the joint sleeve, the transducer gaging spindle of the torque detector connect with tested torsion lever by coupling, locking and fixing the inferior extremity of tested torsion lever by self centering collet; fixing and connecting self centering collet with coupling flange,shear lever and electric control gear table, the electric control gear table is on the adjustable base of self centering collet, the adjustable base laying on the test desk base, fixing the adjusting screw of side face of adjustable base. It can solve the low efficiency and stability of the in existence static testing equipment, the technology problem of loading difficulty, the structure of institution is simple,convenience operation, it can realize high performance,high accuracy testing of torsion lever rigidity.

The invention discloses a system and a method for testing reliability of a mass storage system. The system comprises a data acquisition unit and a data analysis unit, wherein the data acquisition unit comprises a static test module, a 72-hour reliability test module, a recovery time test module, a bit error rate (BER) test module and a mean time between failures (MTBF) reference data acquisition module; the data analysis unit comprises a static test assessment module, a 72-hour reliability test result analysis module, a Markov analysis module, a Monte Carlo analysis module and a mean time to data loss (MTTDL) analysis module; and various performance indexes for reflecting a tested system are acquired by performing data acquisition and data analysis, performing comprehensive test on the aspects of static test, 72-hour reliability test, fault injection-based reliability test and the like and performing analysis by adopting the Markov module, the Monte Carlo module and a disk array MTTDL, so the technical problem that the reliability evaluation system in the prior art cannot comprehensively reflect the reliability of the mass storage system. The system and the method are particularly suitable for reliability test of the mass storage system.

The invention relates to a solid propellant multi-target wire dynamic combustion performance testing system and a method. The method adopts a multi-target wire combustion rate testing system; dynamic combustion performance testing can be conducted; static testing can be conducted; and two measurement modes are convenient to switch. A change relation of combustion rate-pressure and combustion rate-temperature is obtained, and a combustion rate pressure index and a combustion rate temperature sensitivity coefficient are calculated. Small-dose testing can evaluate the combustion performance of a tested propellant within a corresponding pressure temperature change range, and is very suitable for conducting rapid performance detection, quality control and the like on each batch of products in a production process of the propellant. Compared with the common combustion rate testing system, the system shortens a development production cycle of the propellant, reduces raw material consumption, reduces manual operation, and saves the cost.

The invention relates to a solid propellant multi-thermocouple dynamic combustion performance testing system and a method. The method adopts a multi-thermocouple combustion rate testing system; dynamic combustion performance testing can be conducted; static testing can be conducted; and two measurement modes are convenient to switch. A change relation of combustion rate-pressure and combustion rate-temperature is obtained, and a combustion rate pressure index and a combustion rate temperature sensitivity coefficient are calculated. Small-dose testing can evaluate the combustion performance of a tested propellant within a corresponding pressure temperature change range, and is very suitable for conducting rapid performance detection, quality control and the like on each batch of products in a production process of the propellant. Compared with the common combustion rate testing system, the system shortens a development production cycle of the propellant, reduces raw material consumption, reduces manual operation, and saves the cost.

The invention discloses a high-voltage electric debugging method for power generation projects. The high-voltage electric debugging method comprises of the steps of debugging preparing, high-voltage equipment static testing and debugging, generator static testing and debugging, potential transformer (PT) nuclear phasing, starting testing, dynamic orientating and power generation grid connecting. Compared with the conventional debugging method, the debugging method is adopted, so that the speed of a high-voltage cabinet static test is high; the accuracy and the efficiency of the test are improved; the destroy to the cable in the conventional test is reduced; proper short circuits are selected for the test, and a differential test of a generator is carried out while a short-circuit test is carried out. In addition, a dynamic orientation method is adopted, so that the reliability and the security of the grid connecting are further improved; the working efficiency is high; the working period can be obviously saved; the manpower cost is saved; the debugging efficiency and the debugging quality are improved; and a whole process of the debugging work is in a safe, quick and excellent controlled state, so that the method is stable in operation, and high in accuracy, and safe and reliable.

The invention relates to a method for predicating the oil production quantity in high-volatility oil deposit natural gas injection development. The method comprises the following steps that 1), whether the injection and production conditions are balanced or not is judged: (1) if an oil deposit is subjected to static testing, whether the current formation pressure maintains the original level or not is judged; (2) if the oil deposit is not subjected to static testing, whether the accumulated injection-production ratio VRR value of the oil deposit approaches to 1 is greater than 1 or not is judged, and if so, the condition of reaching the balance state is judged; 2) the gas injection development mechanism is analyzed, and whether a target oil deposit is a miscible-phase displacement oil deposit or a non-miscible-phase displacement oil deposit or not is judged; 3) a semi-logarithmic fitting relational expression lnGi=h+mNp of the oil deposit accumulated gas injection quantity and the oil deposit accumulated oil production quantity is subjected to coefficient identification; the fitting coefficients h and m are identified according to historical data of the oil deposit accumulated gas injection quantity Gi and the oil deposit accumulated oil production quantity Np in the development process; 4) the oil deposit accumulated oil production quantity Np is predicated by adopting the semi-logarithmic fitting formula according to the reasonable accumulated gas injection quantity Gi of the oil deposit in the predicating time period. The method is applicable to the oil deposit that the oil deposit fluid is high-volatility crude oil, and in addition, the oil deposit developed in a natural gas injection pressure maintaining way is adopted.

The embodiments of the invention provide a train dormancy awakening method for a four-group double-column garage, device, equipment and a computer readable storage medium. The train dormancy awakeningmethod comprises the steps that a static testing request sent by a four-group train on a rail B1 or a rail B2 is received; whether the testing environment of the train meets the static testing condition or not is determined; if yes, a static testing allowing instruction is sent to the train, and thus the train is subjected to static testing; a dynamic testing request sent after static testing ofthe train is completed is received; whether the testing environment of the train meets the dynamic testing condition or not is determined; if yes, a dynamic testing allowing instruction is sent to thetrain, and thus the train is subjected to dynamic testing; and awakening information sent after dynamic testing of the train is completed is received, and the train is controlled to be awakened froma dormant state. In this way, the requirement of dormancy awakening of the four-group train in the double-column garage without a rail C is met, the operation efficiency is improved, and the labor cost and the time cost are lowered.

The invention belongs to the technical field of crane fatigue data processing, discloses a crane fatigue analysis system and method. The method includes: establishing a crane structure random fatiguelife intelligent evaluation system based on the combination of static testing and random dynamic testing of an operation process; performing crane structure fatigue source positioning and stress correction based on finite element simulation analysis; cyclically including load lower than the fatigue limit in the load spectrum, and evaluating the fatigue life and safety of the structure through thepiecewise linear damage accumulation theory. Experiments, simulation and theoretical analysis are combined, the actual load process and working conditions of the tested crane metal structure can be reflected, the real weak link of the tested crane and the influence of the real weak link on the safety of the metal structure can be reflected, and safe production is guaranteed; crane overhaul and maintenance plans can be reasonably made for use units, and a large amount of manpower and material resources are saved. The disordered production rhythm is avoided as much as possible and the productionefficiency is improved.

The invention relates to an automobile testing device, in particular relates to an airbag head hammer falling static testing device. The head hammer is oriented by rolling a roller wheel on a guide track so as to control the impact point of the head hammer; the elevating height of the head hammer is controlled automatically so as to ensure the speed of impacting the airbag; the explosion of the airbag and the separation of the head hammer from a suspension frame mechanism are controlled automatically, so that the influence of the suspension frame mechanism to the collision response is eliminated; the suspension frame mechanism can adjust the position of the head hammer at the front, the back, the left and the right; and the airbag adjusting mechanism can adjust the inclination angle and the front and the back positions of the airbag. The impact angle and the position of the head hammer to the airbag are adjustable; and the quality of an impact object can be controlled; the collision position, the angle and the mass of the object are ensured to accord with a corresponding automobile model; and the test is good in repeatability effect.

The invention belongs to the technical field of engine control and particularly relates to a practical aircraft engine fuel electronic control system. A general closed-loop control system for providing positive and negative constant flow sources for aircraft engines is mainly applied to performance adjustment and static testing for an engine with an electro-hydraulic servo valve being served as an electro-hydraulic conversion device and can be used for primarily calibrating steady state characters of the engine. According to the general closed-loop control system for providing the positive and negative constant flow sources for the aircraft engines, a high-precision measuring module which provides excitation signals for an LVDT (Linear Variable Differential Transformer) collects a current position of the LVDT, a preset instruct state of the closed-loop system is changed, PID (Proportion Integration Differentiation) calculation is performed on the current position and a preset position of the LVDT under a closed-loop control state, and the flow of the engine is controlled. The closed-loop control system needs to maintain current values to be at steady state values during a testing process.

The invention discloses a static testing and calibrating method for a PID link of a control system of a wind turbine generator. The static testing and calibrating method mainly comprises the steps of testing a PID control link, testing the PID adjusting response characteristics, and carrying out specific experiments based on the testing results of the PID control link and the testing results of the PID adjusting response characteristics. The static testing and calibrating method for the PID link of the control system of the wind turbine generator can overcome the defects of being inconvenient to test and low in testing accuracy in the prior art and has the advantages of achieving the purposes of being convenient to test and high in testing accuracy.

A static testing and calibrating method for PID link of control system of wind turbine includes following steps. A PID control link of the PID link of the control system of wind turbine is tested. A PID regulator response characteristics is tested. The PID link of control system is calibrated by applying test results of the PID control link and the PID regulation response characteristics.

The invention relates to an array substrate, a manufacturing method thereof and a display panel. The array substrate comprises a substrate body, test lines formed on the substrate body, an electrostatic shielding graph formed above the test lines and an insulating layer formed between the electrostatic shielding graph and the test lines. The electrostatic shielding graph includes a main body portion and an electrostatic leading portion. The electrostatic leading portion is connected with the main body portion, extends to a pressing connection area and is suitable for pressing connection on a driving circuit on the array substrate. In the array substrate, due to the fact that the electrostatic shielding graph including the electrostatic leading portion is arranged above the test lines, when anti-static testing is conducted on the array substrate, the main body portion gives priority to absorb electrostatic charges, the electrostatic charges are led to the driving circuit press-connected onto the array substrate through the electrostatic leading portion, the amount of the electrostatic charges entering the array substrate through the fracture surface positions of the test lines can be decreased, poor electrostatic discharge can be avoided, the probability of internal circuit damage and abnormal display can be reduced.

The invention provides a method and system for detection and fault positioning of a SoC chip through laser simulation single particle irradiation. The method comprises the following steps of (1) performing hollowed-out processing on a test area of a to-be-tested chip; (2) if dynamic testing is carried out, selecting a function testing program of a certain module, starting function testing, and outputting a testing result; (3) if static testing is carried out, bypassing a PLL clock, stopping clock signal input, and detecting a circuit state through the current change; and (4) if reset state testing is carried out, connecting a reset pin to the ground, enabling the SOC chip to be continuously in a reset state through a reset circuit, and detecting the circuit state by observing the current change and a phase-locked loop frequency waveform. According to the method and system, the influence of larger laser spots on a non-test area is avoided, and the comprehensiveness and the accuracy of SOC chip testing are improved.