135results about How to "Reduce test preparation time" patented technology

The invention discloses an outdoor unit performance test method. The method includes: generating and transmitting a first control signal to an air conditioner indoor unit and a second control signal to a test tool; allowing the test tool to receive the second control signal, recognize a communication protocol identifier, acquire a communication protocol and transmit the second control signal; controlling startup of the indoor unit via the first control signal; controlling the outdoor unit to act via the second control signal; acquiring electrical parameters of a port of the outdoor unit and air pressure in a connecting pipeline of the indoor and outdoor units; receiving pipeline temperature of the outdoor unit and ambient temperature; judging whether the electrical parameters, the air pressure, the pipeline temperature and the ambient temperature are in a pre-stored range or not; if yes, determining that the air conditioner outdoor performs normally; if not, determining that the air conditioner outdoor unit performs abnormally. By the method, automatic integrated control for operation of the air conditioner indoor and outdoor units and whether the performance of the air conditioner outdoor unit is normal or not can be efficiently judged; the invention further discloses an outdoor unit performance test server and system.

The invention discloses a method for quickly measuring acid value of lubricating oil by thermometric titration, and belongs to a method for measuring acid value of lubricating oil. According to endothermic or exothermic effect in a chemical reaction, after an end point of a titration system is reached, excess titration solution is subjected to instantaneous endothermic or exothermic chemical reaction with temperature indicating liquid in a sample system so that the temperature of the titration system is remarkably reduced or raised so as to easily judge a titration end point. Particularly, the method comprises the following steps: weighing a lubricating oil sample, a solvent and the temperature indicating liquid, adding the three substances into a heat-insulated reaction container in a thermometric titration device, stirring the mixture to make the lubricating oil sample fully dissolved in the mixed solvent, keeping temperature constant, then using 0.1mol / L potassium hydroxide-isopropanol standard titrating solution to titrate the mixed solvent, using read numbers of a temperature sensor to draw a graph of the volume of the titrating solution, taking a jump point of a curve as a titration end point, and calculating the acid value of the lubricating oil sample. The method has the advantages of short detection time, accurate detection result, little error and low toxicity.

The invention relates to a passive residual heat removal heat exchanger testing device which comprises a heat transfer testing section, a voltage stabilizer, a shield pump, a heater, a circulation pump, a heat exchanger, a high-level water tank, a low-level water tank, a lifting pump, a water supplying pump and a spraying pump, wherein the heat transfer testing section, the voltage stabilizer, the shield pump, and the heater form a main loop system of the testing device; the heat transfer testing section comprises 3 C-shaped heat transfer pipes and a cooling water tank; the voltage stabilizer is connected with an outlet pipeline of the heat transfer testing section and an inlet pipeline of the shield pump; the shield pump is connected with the outlet pipeline of the heat transfer testing section; the flowing amount of a main loop is adjusted by adjusting a valve and a bypass valve in front of the shield pump; the heater is arranged between the shield pump and the heat transfer testing section. According to the device, the forms, sizes and materials of the heat transfer pipes are designed reasonably, so that the stress deformation problem can be reasonably avoided, the water use amount can also be greatly reduced, the heat transfer process can be simulated relatively accurately, and relatively accurate heat transfer data can be obtained.

The invention discloses a general vibration test fixture for track traffic electrical equipment and an installation method of the general vibration test fixture. The general vibration test fixture comprises an assembly part I and an assembly part II, and both the assembly part I and the assembly part II are formed by welding or integrally casting soleplates and vertical plates. The general vibration test fixture disclosed by the invention is characterized in that reinforcing ribs are arranged between the vertical plates and the soleplates, so that the integral rigidity is increased; the vertical plates of the assembly part I and the assembly part II are respectively provided with a T-shaped slot and long through holes I in the back and force direction (X direction), so that the installation requirement of screw holes in different spacings is satisfied; the soleplates of both the assembly part I and the assembly part II are provided with long through holes II in the left and right direction (Y direction), so that the installation requirement of screw holes of vibration table surfaces in different spacings is satisfied, therefore the generality of the fixture for track traffic electrical equipment of a base-mounted type is achieved. The general vibration test fixture disclosed by the invention is low in cost, high in resonance frequency, small in volume, light in weight, good in rigidity, convenient in installation and high in work efficiency, thereby having higher economic usefulness.

The invention provides a vacuum plume pneumatic thermal full field measurement system based on pressure sensitive / temperature sensitive paint. The system includes a vacuum chamber, a pneumatic model,an engine, a pressure sensitive / temperature sensitive paint layer, an excitation light assembly, an emission light channel and an image acquisition and analysis module, wherein the pneumatic model andthe engine are placed in the vacuum chamber, the pressure sensitive / temperature sensitive paint layer is attached to a to-be-detected surface of the pneumatic model, the emission light channel includes an observation window, a beam splitter and a band pass filter sequentially arranged in the emission light observation direction, the image acquisition and analysis module is connected with the emission light channel, when measurement is performed, the light emitted by the pressure sensitive / temperature sensitive paint layer is received by the emission light channel, the light after filtering and beam splitting processing is transmitted to the image acquisition and analysis module, and pressure distribution and temperature distribution of the pneumatic model surface are obtained by a computer according to difference of illuminating states of the pneumatic model pressure sensitive / temperature sensitive paint layer before and after working of the engine. The system is capable of measuringthe pneumatic force and pneumatic heat of a vacuum plume in a non-contact manner.

The invention provides a pile-supported type reinforced embankment three-dimensional deformation field visual test device and a test method thereof. The test device includes a model groove, a plurality of model piles, and pile caps. The model groove is made of a transparent material and is a rectangular box as a whole. In operation, the model groove is placed on an optical table. The bottom of each model pile is inserted into the groove. The lasers emitted by three lasers forms three laser planes in transparent soil. During a test, a drain valve is controlled to discharge water in a lower model groove at a constant rate, and a settlement process of a soft soil layer under the self-weight of embankment fill soil is simulated. The test method of the test device includes the steps of test design, model making, model groove positioning, pile arrangement, soil mixing, testing and data processing. A settling mode of the device is consistent with the reality, and the device is safe and reliable, and cost-saving.

The invention discloses an unfolding high-voltage test car for electrical equipment, comprising a car body and a carriage, wherein the carriage is arranged at the car body and the carriage can be unfolded. The unfolding high-voltage test car for electrical equipment has the advantages of saving time, expanding space, being simple and convenient for folding and unfolding and being safe and reliable. As high-voltage electrical equipment does not need to be hoisted from the test car, the test preparation time is saved; after a tail board and a side board are unfolded to be horizontal, no interference to high-voltage electrical equipment tests is caused and the test space of high-voltage electrical equipment is expanded; by controlling a hydraulic pump to unfold the tail board, the side board and a supporting leg by a control console, and the automatic unfolding and support of the carriage can be realized; and a locating locking part ensures reliable locating locking between carriage plates.

The invention relates to an efficient high-precision white vehicle body static stiffness measurement system and a test method. The measurement system comprises a front suspension constraint support device, a rear suspension constraint support device, a pre-support device and a servo loading system, the X-Y direction position of the front suspension constraint support device is adjustable, and theheight and the left-right position of the upper front suspension support device are adjustable. The T-shaped table can rotate around the Z axis, the X-direction position and the Y-direction position of the rear overhang constraint supporting device are adjustable, the height of the rear overhang constraint supporting device is adjustable, the pre-supporting device is erected below a left thresholdbeam and a right threshold beam of a white vehicle body in a test, the height of the pre-supporting device is adjustable, and the servo loading system is used for bending loading or torsion loading of the white vehicle body. According to the invention, the body-in-white can be conveniently centered with the test bed after being hoisted and the posture of the body-in-white can be adjusted to be horizontal with the ground, so that internal stress generated in the installation process can be effectively avoided and the measurement result is more accurate.

The invention discloses a five-degree-of-freedom probe clamping device for pneumatic probe calibration. The five-degree-of-freedom probe clamping device comprises an X-direction displacement mechanism, a yaw mechanism, a Z-direction displacement mechanism, a Y-direction displacement mechanism and a pitching mechanism, wherein the yaw mechanism is fixed on the X-direction displacement mechanism and realizes yaw through matching of an arc rack and a gear which are positioned on a horizontal plane; the Z-direction displacement mechanism is fixed on the radius of the arc rack of the yaw mechanism; the Y-direction displacement mechanism is fixed on the Z-direction displacement mechanism and is perpendicular to the Z-direction displacement mechanism; the pitching mechanism is fixed to the Y-direction displacement mechanism and achieves pitching through cooperation of an arc rack and a gear which are located on the vertical plane; the pitching mechanism is provided with a clamping component; the probe is fixed on the clamping component. The X-direction displacement mechanism, the yaw mechanism, the Z-direction displacement mechanism, the Y-direction displacement mechanism and the pitching mechanism are respectively adjusted or adjusted in a combined mode to change the calibration position of the probe. The five-degree-of-freedom probe clamping device is complete in function, convenient to operate and capable of achieving firm clamping and five-degree-of-freedom movement of the probe.

The invention relates to a field of view test bench for a head-up display. The field of view test bench is composed of a parallel light pipe, a platform, a head-up display bracket and an eye positionframe. The bottom of the parallel light pipe may be fixedly connected with the platform. An adjustable mechanism is designed between the head-up display bracket and the platform. After a head-up display is mounted on the bracket, the adjustable mechanism can be adopted to make the light axis of the head-up display to be parallel to the light axis of the parallel light pipe. The flip eye position frame can assist a tester in accurately positioning eye positions. The beneficial effects are that the head-up display and the parallel light pipe are integrated on the field of view test bench for thehead-up display so as to be able to move as a whole, the head-up display and the parallel light pipe are adjusted horizontally, the head-up display bracket is fixed on the platform and through the adjustment of four ball screws, the positions of the head-up display in the vertical direction as well as in azimuth and pitch are ensured, so that the head-up display is aligned with the light axis ofthe parallel light pipe, the operation is convenient, and the test preparation time is saved.

The invention discloses a columnar rock sample sealing device and method suitable for a true triaxial test. The device comprises cylindrical pressure heads, a thermal shrinkable sleeve and compressionnuts. Annular bosses are arranged on the cylindrical pressure heads, and external threads are arranged on the annular bosses. A rock sample is clamped between the two cylindrical pressure heads. Annular convex edges are arranged on the compression nuts, and the compression nuts are in screw joint fit with the annular bosses. The cylindrical pressure heads and a rock sample are coated with the thermal shrinkable sleeve, and sleeve openings of the thermal shrinkable sleeve are tightly pressed between the axial side end faces of the annular bosses and the annular convex edges in a sealed mode. The method comprises the following steps: placing the rock sample on the bottom pressure head; sleeving the rock sample with the thermal shrinkable sleeve, and sleeving the rock sample with the compression nut outside the thermal shrinkable sleeve; placing the top pressure head at the top end of the rock sample and enabling the top pressure head to be located in the thermal shrinkable sleeve; heating the thermal shrinkable sleeve to shrink the thermal shrinkable sleeve until the cylindrical pressure heads and the rock sample are completely and tightly wrapped; and cutting off the thermal shrinkable sleeve wrapping the surface of the external threads of the annular bosses, and screwing the two compression nuts to the corresponding annular bosses respectively until the sleeve openings of thethermal shrinkable sleeve are pressed and sealed.

The invention provides a multifunctional large plant structure for a plume satellite test. The plant structure comprises a test area, a living area and a distribution room, wherein the living area and the test area are located in a whole building and arranged in a centralized manner respectively by taking a corridor as a boundary; and the distribution room is separated from the test area and the living area and located in an independent building. The plant structure provided by the invention can meet the requirements of an engine plume test and a satellite thermal vacuum test at the same time, can be used for overcoming the problem of single test function of the existing space test plant, and is convenient for management; meanwhile, the safety and the practicability are improved, and a necessary humanized work place is added so that the test plant is multifunctional and more humanized and meets the need for long-time continuous test; and moreover, the test preparation time is shortened, the test cost is lowered, the test efficiency is increased, and the working environment of testers is improved.

The invention discloses a sealed door filed airtight test method and test device. An inlet valve and a piezo-meter / pressure sensing amplification instrument is arranged on an enclosed diaphragm; the enclosed diaphragm is prepared by rubber, leather or textile materials which can endure gas pressure; the enclosed diaphragm and the door frame of a sealed door are in sealed connection by a mechanical compression device. The test device comprises a rigid framework, a compaction mechanism, a sealing gasket, and the enclosed diaphragm forming an air pressure chamber with the door frame and a door leaf; the shape and size of the rigid framework match the shape and size of the inner side of the door frame; the compaction mechanism is distributed along the periphery of the rigid framework, and is flexible towards the outside of the periphery of the rigid framework; the sealing gasket is a circular structure tightly laying around the periphery of the inner side of the door frame; the peripheral edge portion of the enclosed diaphragm is inputted in the sealing gasket, and the sealing gasket can be compressed towards the inner side wall direction of the door frame by adjusting the compaction mechanism. The test device is portable, and fast to test, and does not damage the door frame.

The invention relates to a testing device and method for automatic berthing and unberthing testing of an intelligent ship. The testing device comprises a testing working condition setting module, a shore-based data communication module, a testing data recording module and a shipborne data communication module located on a ship to be tested. The testing working condition setting module generates traffic environment perception information of an area where the to-be-tested berth is located according to the test requirement; the shore-based data communication module sends traffic environment perception information of a berth to be measured to a ship to be measured, and the shipborne data communication module interacts with a berthing and unberthing system corresponding to berthing and unberthing of a real ship to obtain berthing and unberthing commands, so that the ship to be measured executes the corresponding berthing and unberthing commands based on the received perception information and surrounding hydrology and weather information; the test data recording module records the traffic environment information generated by the test condition setting module and the information sent andreceived by the shore-based data communication module. According to the invention, the risk of real ship testing can be reduced, and the whole real ship testing process with the berthing and unberthing functions can be completely realized.

The invention discloses a test device carrying out generator iron core magnetization under voltage and a method thereof; the test device comprises the following units: switchgear connected with a voltage source and having over-current and open-phase protection; a rectification inversion module connected with a switchgear outgoing line so as to continuously adjust voltage amplitude and frequency; an excitation transformer connected with the rectification inversion module so as to lift up the test voltage outputted by the rectification inversion module; a high capacity single-phase wattless automatic compensation module connected with the excitation transformer so as to compensate the wattless current in the test voltage and reduce the power supply capacity needed in the test; an excitation coil connected with the excitation transformer and used for inducing magnetic flow on a generator sample in the test, wherein the excitation coil is in one turn, and formed by a plurality of insulation cables arranged in parallel; a control table respectively connected with the switchgear, the rectification inversion module and the high capacity single-phase wattless automatic compensation module, and controlling same. The test device and method can reduce the test needed power supply capacity, and can simplify test wiring, thus reducing test preparation time.

The embodiment of the invention discloses a method for checking the optical fiber data interaction security in cooperative semi-physical simulation, which relates to a cooperative semi-physical simulation technology and solves a problem that the existing manual checking efficiency is low. The method checks whether output parameters occupy an optical fiber address range of output parameters of testparticipating simulation equipment or not, checks whether the same parameter in the same simulation entity model not only serves as an output parameter but also serves as an input parameter or not, checks whether optical fiber address ranges occupied by all output parameters are intersected or overlapped or not, checks whether optical fiber initial addresses of all input parameters are repeated or not and checks whether the optical fiber initial address of any input parameter is located in the same or other simulation entity model or the optical fiber address ranges of the output parameters of the test participating simulation equipment or not. The method is mainly used for checking the optical fiber data interaction security in cooperative semi-physical simulation.

The invention provides a new spacecraft vacuum thermal test measurement and control device. The device comprises multiple vacuum devices and multiple subsystems of the same number. The vacuum device comprises a digital multimeter, a matrix switch board, a programmable power supply, a thermocouple, and a heating device. The matrix switch board is installed in a slot of the digital multimeter, the port of thermocouple is connected in the matrix switch board, the measuring end of the thermocouple is attached to the surface of a spacecraft through a transfer cable, and the output end of the programmable power supply is in insulation joint with the heating device through the transfer cable. The programmable power supply, the digital multimeter, and the subsystems are connected to a switch through a network cable to form a local area network. The power supply of domestic UDP communication protocol is adopted for the first time, and the software framework of producer-consumer-master / slave-registered events is adopted to ensure low coupling between threads, system operation stability and fast response.

The invention relates to a V2X site in-loop test method and device based on edge computing, and the method comprises the steps: a collection and communication device of a tested vehicle receives a trigger signal transmitted by an MEC test simulator, collects the data of the tested vehicle according to the trigger signal, the MEC test simulator generates background data and sends the background data to the collection and communication device of the tested vehicle, the collection and communication device of the tested vehicle determines the early warning time of the tested vehicle and the relative distance between the tested vehicle and a preset background body during early warning according to the data of the tested vehicle and the background data, and the predicted collision time is determined. The MEC test simulator is introduced on the premise that an existing site test process is not changed, the background data and the trigger signal can be simulated, and the data simulated by the MEC test simulator has the advantage of being controllable in real time, so that the test preparation time is shortened, the test efficiency is improved, and the purpose of reproducing the test process is achieved.

The invention provides a system and method for automatically generating a test case through network flow data, and a medium, and the system comprises a network flow data obtaining module which is used for collecting network flow data from a real environment through a bypass mirror image mode, and carrying out the processing of the collected network flow data; and a playback analysis module which is used for filtering and analyzing the acquired network flow data according to the configuration file to obtain analyzed data, performing format processing on the analyzed data, converting the configuration file according to the format of the data subjected to format processing, and converting the analyzed data into a playback file for playback testing in a testing environment. The test coverage rate is improved, the test preparation time is shortened, and the test work is improved and optimized in multiple aspects.

Provided is a half-module window rotating mechanism applied to a supersonic wind tunnel. The half-module window rotating mechanism comprises a drive transmission module, a feedback and measurement module and a rotation module, wherein the drive transmission module is composed of a support, a large cylindrical straight gear, an alternating current servo motor, a reducer, a gear pressing cover, a small cylindrical straight gear, a pressing cover and pressing screws. The feedback and measurement module is composed of a potentionmeter support, a potentionmeter, a pressing sheet, a coupler, a small shaft and a connecting cover. The rotation module is composed of an O-shaped seal ring, a baffle ring, a right bearing cover, a connecting seat, a bearing seat, a conical roller bearing, a left bearing cover and a main shaft. Through adoption of a cylindrical straight gear set, the half-module window rotating mechanism can achieve rotating at + / -360 degrees. The mechanism can be installed integrally in hanging mode. Control accuracy of an attacking angle within a + / -3 deviation range can be achieved due to the fact that the cylindrical straight gear set is matched with a measurement portion with the potentionmeter as the center in drive mode.

The invention relates to thermal shock examination experiment testing platform of a transverse rotary movement of test pieces, and belongs to technical field of test equipment. The platform comprises a testing stand support, a position sensor II, a position sensor I, a linear cylinder I, a thermal insulation cavity, a clamp I, an infrared temperature-measurement instrument I, an infrared temperature-measurement instrument II, a clamp II, a cooler, a straight rod I, a straight rod II, a position sensor III, a linear cylinder II, a position sensor IV, a guide rail and a swinging cylinder. The two test pieces can be tested at the same time, the one is heated, and the other is cooled; and the two test pieces rotate for 180 degrees under the drive of the swinging cylinder, and then the two test pieces rotate with the guide rail to exchange working stations under the drive of the swinging cylinder. The platform is simple and practical, and has high working efficiency; and, when an internal combustion engine piston thermal shock and thermal fatigue simulation test is studied, a test expense is saved, and research and development periods of related parts are also greatly shortened.

The invention provides an outboard on-orbit operated ground test method of spacecrafts. The ground test method comprises the following steps of installing a test article to a servo mechanism, installing gloves of an outboard space suit, and closing the door of a vacuum tank; adjusting the test article to fit the operating position of the gloves of the outboard space suit, regulating the air pressure in the vacuum tank to a preset pressure value, and completing an outboard test operation by a user wearing the gloves of the outboard space suit; returning to the original state after the test operation. The ground test method achieves verification of the outboard on-orbit operated ground test of spacecrafts, and solves the problem that outboard on-orbit operated tests need verifying during long-term on-orbit flights of the spacecrafts.

The invention discloses a speed measuring method used in a rocket sled test. According to the method, two sets of photoelectric assemblies are installed on a sled body in the rocket sled test at an accurate and known interval; when the sled body moves and passes through a light barrier pre-arranged beside a track, a blocking signal is given to the front photoelectric assembly and then a blocking signal is given to the back photoelectric assembly, the two sets of photoelectric assemblies record the time information of the blocking signals respectively through data recording devices, and then the known interval between the two sets of photoelectric assemblies is divided by the time difference between the two blocking signals to obtain the moving speed of the sled body. The speed measuring method used in the rocket sled test is low in cost, short in manufacturing cycle and easy to realize, provides an external measurement method with which the moving speed of the sled body can be measured accurately for the rocket sled test, saves the time for preparing for the test, saves testing expenses, saves labor and materials, and guarantees the reliability and stability of the test.

The invention provides a universal rail top roughness tester. The universal rail top roughness tester comprises a long transverse limit baffle, a spring, a groove component, a slider, a guide rail, a motor, a vertical limit baffle, a pulley, an accelerated speed sensor, a probe and a short transverse limit baffle, wherein the motor and the pulley are fixedly mounted on the guide rail; the slider is driven by a motor of the motor to rotate, so that the slider on which the accelerated speed sensor is mounted is driven to move on the guide rail; the probe is tightened below the accelerated speed sensor, and the accelerated speed sensor is mounted in the groove component; the spring is positioned between the groove component and the slider; the vertical limit baffle, the long transverse limit baffle and the short transverse limit baffle are selected according to different dimensions of rails, the guide rail is mounted above the rail, the probe is in contact with the top surface of the rail, and the spring has certain pre-tightened force. The roughness tester can be conveniently mounted on and disassembled from universal rails of different dimensions, can meet the requirement of automation and can repeatedly test the roughness of rail tops.

The invention discloses a miniature high-speed optical fiber embedded centrifugal overload and vibration composite testing device. The device adopts an upper computer and lower computer optical fiberhigh-speed direct connection communication mode, and a lower computer adopts a miniaturized embedded hardware circuit to realize the synchronous data acquisition of multiple centrifugal field overloadsignals and multiple vibration signals, codes and packages the data, and then directly and real-timely uploads the data to an upper computer via a high speed optical fiber and transfers the data to aPC for data storage and analysis processing. According to the device, by a high-speed optical fiber upper and lower computer direct interconnection mode, the use of a centrifuge instrument cabin anda ground network switch is omitted, a network debugging link is reduced, and the test preparation time is saved. The device realizes the synchronous acquisition of multiple overload signals and multiple vibration signals in a centrifugal vibration composite environment, realizes the synchronous high-precision acquisition of the vibration acceleration and centrifugal overload acceleration signals,and is more beneficial to the subsequent test data analysis and processing.

The invention discloses a method and a device for testing a vehicle body joint dynamic stiffness, and a storage medium. The method comprises steps of attaching an acceleration sensor on two sides of avehicle body joint respectively; respectively hammering the two sides of the vehicle body joint, and using the acceleration sensors to collect the data of the hammered points on both sides of the vehicle body joint; according to the collected data, calculating the dynamic stiffness (H11, H22) of two sides of the vehicle body joint and the transfer function (H12, H21) between the two sides of thevehicle body joint respectively; and calculating the dynamic stiffness of the center point of the vehicle body joint by using a calculation formula H33=(H11+H21+H12+H22) / 4. The method and the device introduce a mathematical method to calculate the original point dynamic stiffness equivalently instead of tools, which not only reduces the amount of the tool spare parts for the dynamic stiffness measurement, reduces the cost, and has good versatility; and the test preparation time and the time of tool production are reduced and the testing efficiency is improved.

The invention discloses a multifunctional remote control device for operation in a vacuum tank and a narrow area. The multifunctional remote control device includes a remote controller for remote control and a remotely controlled dolly. The remotely controlled dolly comprises a motion platform module including a platform body for mounting functional modules and wheels disposed on both sides of the platform body and equipped with erasing tires. The platform body is also provided with a control system module for receiving the operation commands of the remote controller and controlling the execution of the remotely controlled dolly. The functional modules comprise an energy module for controlling the remotely controlled dolly to be adsorbed on the surface of the narrow area, a magnetic adsorption module for changing the adsorption state of the remotely controlled dolly, a cleaning module, and a regional pressure adjustment module installed in the corner regions on the platform body and capable of changing the pressure of respective regions. The remote controller remotely controls the remotely controlled dolly to perform cleaning operations so as to remove stubborn stains, improve cleaning efficiency, compress test preparation time, and suppress a decrease in the service lives of various devices within the vacuum tank caused by oil stains.

The invention discloses a flexible film type multi-measuring-point pressure measuring belt for a low-speed wind tunnel. The flexible film type multi-measuring-point pressure measuring belt comprises asubstrate base belt and a protective layer arranged on the substrate base belt, wherein a plurality of pressure elements, signal lines and power supply lines for connecting the pressure elements, andreference pressure guide tubes are arranged between the protective layer and the substrate base belt; the reference pressure guide tube is input to each pressure element; and the substrate base belt,the protective layer and the components between the substrate base belt and the protective layer are packaged into a flexible belt-shaped whole body. The flexible film type multi-measuring-point pressure measuring belt provided by the invention has low processing difficulty, is fixed on the surface of a model in a pasting manner, and is convenient to mount and use, and a pressure signal generatedby airflow directly acts on a pressure sensitive chip, thus avoiding pressure transmission loss, effectively improving the reliability and accuracy of a measurement result, and enabling the dynamic pressure frequency to be 5kHz.

The present invention discloses an aircraft structure static strength PID parameter debugging method. The method comprises the steps of (1) obtaining the parameters of a spray nozzle baffle plate servo valve in a channel to be debugged and an asymmetric actuating cylinder, (2) establishing the mathematical models of a controller, the spray nozzle baffle plate servo valve and the asymmetric actuating cylinder in the channel to be debugged, (3) carrying out conversion to generate a controller transfer function, a spray nozzle baffle plate servo valve transfer function and an asymmetric actuating cylinder transfer function, (4) coupling the controller transfer function, the spray nozzle baffle plate servo valve transfer function and the asymmetric actuating cylinder transfer function, (5) determining the PID parameter range in the channel to be debugged, (6) judging whether the PID parameter in a Bode diagram is in accordance with a system stability threshold, and if so, ending the debugging. According to the aircraft structure static strength PID parameter debugging method, the installation of a test device is not needed, a test preparation time is saved, and the test cost and risk are reduced.

The invention provides a method for quickly initializing a storage test environment. The method include: firstly, installing TCL and Expect environments on a Linux system, and automatically setting secret-free login storage, remotely logging in a storage device, initializing a system log, deleting an existing configuration file and initializing an indicator light by executing scripts, thus the automatic test environment initialization operation is realized, the manual configuration is avoided, and the test preparation time is saved. The method also avoids possible omissions from manual configurations.