172 results about "Bench test" patented technology

The invention discloses an automobile chassis lightweight structure design method based on topological optimization, and relates to the technical field of lightweight design. Constructing a macro-micro coupling model, and simulating and quantifying material parameter fluctuation by using Monte Carlo; establishing a rigid-flexible coupling multi-body dynamic model, simulating working conditions such as braking and turning, and generating a load spectrum by using a rain flow counting method; constructing a multi-objective function containing light weight, rigidity and modality, and solving manufacturing constraints such as pattern draft and the like by using an NSGA-II (Non-dominated Sorting Genetic Algorithm-II) algorithm; dividing steel, aluminum and carbon fiber material domains; and fusing bench test data to correct the model. According to the method, multi-scale collaborative optimization is realized, dynamic loads are accurately mapped, and light weight and performance are balanced; the connection reliability is improved through the multi-material gradient design; manufacturability is ensured through feature recognition and process verification; the batch consistency is guaranteed by digital twinning and robustness optimization; the chassis design efficiency and quality are integrally improved, and the service life is prolonged.

The invention relates to the technical field of artificial intelligence, can be applied to business scenes of financial science and technology, medical health and the like, and discloses a benchmark test-driven prompt word tuning method, device, equipment and medium, and the method comprises the following steps: analyzing input data to generate a benchmark test set; generating a cue word parameter configuration set based on the benchmark test set; calling a language model interface to process the input text to obtain a model output set; comparing the model output set with expected output to generate a comprehensive performance index set; updating a cue word parameter configuration set according to the comprehensive performance index set; and judging whether a termination condition is met or not, if not, continuing to execute model calling and parameter updating, and if yes, outputting a target cue word configuration and optimization report. According to the method, a structured evaluation and parameter iteration mechanism is introduced, cue word optimization is converted into a systematic process from artificial experience driving, repeated trial and error are reduced, cue word tuning efficiency is improved, and stability and mobility of the model in different tasks are achieved.

The invention discloses a marine engine manufacturing full-process decision prediction method combined with machine learning, and relates to the technical field of marine engine manufacturing and testing. The method solves the problems of model prediction deviation, confidence coefficient imbalance, response lag and the like caused by difference between a bench test and a sea test environment in key working condition feature statistical distribution, selects an adversarial domain adaptation or confidence calibration algorithm for model training, constructs a prediction model based on a deep neural network, and improves the prediction accuracy. Through adversarial optimization or post-processing calibration of the feature extraction network, the main task prediction sub-network and the domain discrimination sub-network, the generalization ability and confidence reliability of the model are improved, the model is deployed in a sea test environment and verified in real time, and closed-loop decision control is executed based on a model prediction result by calculating an error index of a predicted value and a measured value. Through data layer alignment, model layer adaptation, verification layer verification and execution layer control, the prediction accuracy and operation safety of the marine engine in the sea test stage are remarkably improved.

This application belongs to the field of aero-engine design and presents a design method for high-altitude starting fuel supply patterns based on the low-altitude starting fuel supply patterns. It involves first conducting high-altitude bench tests on the starter to obtain the power reduction characteristics of the starter at different altitudes. Then, based on the power balance equation, the acceleration time of the starter from rotor standstill to idle speed is determined. Finally, based on the acceleration time of the starter from rotor standstill to idle speed, the time allocation of the three starting stages of the starting process—starter engagement, starter disengagement, and engine starting—is performed to obtain the high-altitude starting fuel supply pattern. This method enables rapid and accurate design of the high-altitude fuel supply pattern, taking into account the engine's stability margin design in high-altitude areas, starter power characteristics, and the attenuation characteristics of starter power with increasing altitude, thus avoiding abnormal phenomena such as engine cold suspension and overheating. Furthermore, it can be based on ground starting data statistics, achieving better design compatibility and reducing debugging work.

The invention discloses a method, a device and equipment for determining the output power of a power battery and a medium, and belongs to the technical field of battery simulation. The method comprises the following steps: constructing an equivalent circuit model corresponding to a target battery pack according to a circuit structure in the target battery pack; the circuit structure comprises each battery cell and a system connecting piece; internal resistances of at least two battery cells in the target battery pack are different; simulating the equivalent circuit model under each working condition, and obtaining the instantaneous power of the target battery pack when any battery cell is reduced to cut-off voltage; and based on the instantaneous power under each working condition, determining the limit output power of the target battery pack under each working condition. According to the scheme, the test can be carried out according to the more accurate minimum output power in the subsequent bench test and road test process, power prediction distortion and whole vehicle undervoltage faults are avoided, and the test effect of the whole vehicle is improved.

The application relates to a chassis angle system-based automobile brake judder bench test method, which comprises the following steps: S1, obtaining a chassis angle system and fixing the chassis angle system on a bench; S2, setting experimental variables; S3, setting changes of brake oil pressure and bench static torque motor torque; S4, controlling one experimental variable in friction plate wear rate, brake disc temperature, humidity and brake disc rotation direction, and not controlling other experimental variables, and performing brake judder experiments on the fixed chassis angle system; S5, obtaining sensor feedback data; S6, using vibration acceleration signals at brake calipers in the feedback data to analyze whether brake judder occurs, if not, returning to S4 to perform brake judder experiments again, otherwise, performing S7; and S7, analyzing various parameters of brake judder in the experiments based on the vibration acceleration signals at the brake calipers. Compared with the prior art, the application has the advantages of more comprehensively analyzing automobile brake judder and the like.

The invention discloses a control method, device and system for a diesel engine supercharger. The control method comprises the following steps that current state data of a diesel engine are obtained; according to the rotating speed of the engine and the fuel injection quantity, the current intake manifold required pressure is determined in a table look-up MAP mode; determining a correction coefficient according to the altitude; determining a demand pressure value according to the correction coefficient and the current intake manifold demand pressure; and the real-time air inlet pressure of the air inlet manifold is obtained, and the opening degree of the electronic throttle valve is controlled according to the required pressure value till the real-time air inlet pressure of the air inlet manifold is equal to the required pressure value. According to the method, the engine rotating speed, the oil injection quantity and the corresponding optimal required pressure are determined through the bench test when the real-time rotating speed of the supercharger is equal to the supercharger rotating speed limit value, the current required pressure of the intake manifold can be determined through table look-up in actual operation, and it is guaranteed that the supercharger does not overspeed; and the problem of engine power loss caused by fuel injection quantity reduction is avoided.

This invention provides a time-series control-based hard drive power-down testing method, computer program product, and system. The method includes: initializing the hard drive under test and a programmable power control unit; writing benchmark test data to the hard drive under test and generating corresponding data fingerprint information; executing a preset input / output load scenario and monitoring the internal operating state of the hard drive under test in real time; identifying key operation windows based on the internal operating state of the hard drive under test, and triggering a power-down command at a specified delay time within the key operation window to control the programmable power control unit to cut off power supply; after a preset recovery waiting time, controlling the programmable power control unit to restore power supply and monitoring the power-on recovery process of the hard drive under test; performing multi-level data integrity verification, including comparing the recovered data of the hard drive under test with the data fingerprint information; generating a test report based on the multi-level data integrity verification results, and determining that the hard drive power-down test is passed if the verification results are passed.

The invention relates to a strength analysis method for a lower control arm of a heavy truck, and solves the problems that the design iteration period is prolonged and the cost is increased due to the fact that a deviation exists between a traditional analysis method and a real working condition and the strength needs to be verified through a large number of bench tests in the later period. Selecting a lower control arm front end point, a lower control arm rear end point, a spiral spring lower end point and a spherical hinge point from the initial finite element model as nodes for extracting loads, endowing material parameters of the lower control arm: an elastic model, density and Poisson's ratio, and laying a foundation for building a multi-body dynamic model; when the multi-body dynamic model is built, template models of tires, suspensions and flexible bodies are built, a whole vehicle assembly model is assembled, loading of a vertical bending working condition, a horizontal bending working condition and a torsion working condition is carried out, loads of all nodes are submitted, calculated and extracted, the loads are reversely loaded to a complete finite element model, and a strength analysis result of the lower control arm is obtained through calculation. A simulation analysis result is closer to a real vehicle reliability test result.

The invention discloses a multi-source data adaptive fitting method for a liquid hydrogen storage tank bench test, which comprises the following steps: synchronously acquiring multi-source sensor data in the liquid hydrogen storage tank bench test in real time, and preprocessing the data to obtain preprocessed real-time data; establishing a physical priori constraint equation based on a low-temperature thermodynamic law and a heat transfer mechanism, embedding the physical priori constraint equation into a data fitting objective function, performing physical constraint, and determining energy conservation, phase equilibrium and heat transfer boundary conditions required to be met by a fitting result; extracting data features of the preprocessed real-time data, matching the data features with a preset working condition feature library, and performing working condition identification to obtain a current test working condition identifier; adjusting regularization parameters by adopting an iteration method according to the current test working condition identifier, the data fitting residual error and the noise level; and carrying out data fitting by combining physical constraints, current test working condition identifiers and the adjusted regularization parameters, and inverting the state parameters in the storage tank. The algorithm can provide a reliable basis for design optimization and safety evaluation of the liquid hydrogen storage tank.

The invention discloses a rack test system for a vehicle air pump and an application method of the rack test system, and belongs to the technical field of vehicle air pump performance testing, the rack test system comprises a touch screen (1), an industrial personal computer (2) and a main control module (3), and the touch screen (1), the industrial personal computer (2) and the main control module (3) directly communicate through the Ethernet; the device further comprises a temperature control liquid temperature and pressure adjusting unit (IV), a lubricating oil temperature and pressure adjusting unit (V), a driving shaft power control unit (VI), a gas pressure measurement and control unit (VI) and a gas flow measurement unit (VII). And the main control module (3) is respectively connected with the temperature control liquid temperature and pressure regulating unit (IV), the lubricating oil temperature and pressure regulating unit (V), the driving shaft power control unit (VI), the gas pressure measurement and control unit (VI) and the gas flow measurement unit (VII). The parameters of the air pump for the test vehicle are quickly obtained through the control circuit and an efficient and safe control program.

A rotor engine comprehensive bench test system and test method belong to the technical field of engine test. The system contains rotor engine, AC power dynamometer, main control unit and other groups of modules. The dynamometer can realize forward and reverse reversible rotation of the engine. The main control unit is provided with forward and reverse switching and three-stage alarm module. Each component is connected and communicated. Sensors, acquisition modules, analyzers and the main control unit are cooperatively networked. The test method sequentially completes bench building, system inspection, pre-starting verification, lubrication establishment, engine starting, top dead center searching, mechanical loss test, warming, full-range boundary monitoring, hot-state running-in, ECU online calibration and data evaluation. The combustion analyzer can calculate cylinder pressure parameters. ECU modified parameters take effect immediately. Data analysis covers power and economic indicators. The present invention solves the problem that existing benches cannot adapt to rotor engine tests, builds a safe and efficient comprehensive test platform and provides technical support for rotor engine research and development.

The invention provides an HIL bench test method for an automobile water valve, a controller, a medium and a program product, and the method comprises the steps: generating an active test model for testing a multi-way water valve, and adjusting the model parameters of the active test model; executing a water valve control test sequence based on the active test model to simulate a water valve passage under various working conditions; and obtaining HIL output parameters of the active test model after the execution of the water valve control test sequence is completed, and determining the performance level of the multi-way water valve according to the HIL output parameters. Therefore, the performance of the multi-way water valve under different working conditions can be tested through the water valve control test sequence by utilizing the adjusted active test model, and the accurate test of the control process of the multi-way water valve under different working conditions can be realized.

The invention relates to the technical field of clamping fixtures, in particular to a clamping fixture for a shock absorber bench test, which comprises a fixture body, a control body, a threaded rod, an elastic element, a connecting rod and a wedge block, and is characterized in that the control body is in threaded connection with the fixture body, the threaded rod is in threaded connection with the control body, and the elastic element is in threaded connection with the connecting rod; the connecting rod is arranged in the clamp body in a sliding mode, one end of the connecting rod is connected with the threaded rod, the other end of the connecting rod is in contact fit with the wedge-shaped block, and the portion, in sliding fit with the clamp body, of the connecting rod is provided with a non-circular section. The wedge-shaped block moves transversely due to movement of the clamp body relative to the control body, in addition, the purpose of guiding the wedge-shaped block to move along a preset path is achieved by arranging a matched structure of the containing groove and the inclined guide face, the overall structure is simple and compact, the equipment cost is remarkably reduced, and portability is improved.

The present invention aims to improve the efficiency of automobile development by front loading the evaluation of an on-road driving test, and comprises a virtual evaluation step of simulating the on-road driving test using a driving environment model which models a driving environment, an operating state model which models an operating state, and a vehicle model which models the actual vehicle; a bench test evaluation step of imitating the on-road driving test by combining a part or all of the actual vehicle, a part or all of the vehicle model, a part or all of the driving environment model, and a part or all of the operating state model, and conducting a bench test of a part or all of the actual vehicle, and an on-road driving test evaluation step of conducting the on-road driving test of the actual vehicle in a real driving environment.

The invention discloses a load translation control method for a hybrid diesel locomotive considering a diesel engine and a gas engine. The method comprises the following steps: in a ground bench test, respectively simulating typical operation conditions of the diesel / gas engine, and determining respective safe power fluctuation intervals; in the running process of the hybrid diesel locomotive, the output power of the diesel / gas engine is dynamically corrected based on the power fluctuation threshold value of the running data; and scene-based multi-energy load translation control is carried out, the scene comprises the dynamic operation characteristics of acceleration and deceleration of the train, and the engine power of the hybrid diesel locomotive is adjusted according to the working mode of the power battery and the power fluctuation difference value, so that the load translation of the hybrid diesel locomotive is met based on the engine power. According to the method, multi-energy cooperative control considering load translation, scientific and controllable threshold value and working condition adaptation is achieved, the comprehensive traction force of the hybrid diesel locomotive is improved, and energy conservation and emission reduction are achieved.

The invention belongs to the technical field of lubricating oil, and particularly relates to a lubricating oil composition with a long oil change period as well as a preparation method and application thereof. The lubricating oil composition disclosed by the invention is prepared from the following components based on the total weight of the lubricating oil composition: 0.8 to 1.8 percent of a metal detergent, 1.5 to 2.5 percent of an ashless dispersant, 0.5 to 1.3 percent of an antioxidant and antiwear agent, 0.1 to 0.8 percent of an auxiliary antioxidant, 5 to 10 percent of a viscosity index improver, 0.2 to 0.5 percent of a pour point depressant, 0.001 to 0.01 percent of an anti-foaming agent and the balance of base oil. The lubricating oil composition disclosed by the invention passes a program IIIE engine bench test in the SJ standard requirement, the performance meets the SJ index requirement, the test time is prolonged by 40% compared with the standard time, and the lubricating oil composition has excellent volatile resistance and less engine oil consumption and meets the requirement of a gasoline engine generator for a long oil change period of 150h in the actual use process.

The application discloses a kind of active suspension system model parameter adaptive calibration test bench test method and system, belong to vehicle active suspension test technical field, sensitive system parameters are filtered out by sensitivity analysis function, then sensitive system parameters are identified and calibrated, greatly reduce the amount of calculation in calibration process, improve the test implementation efficiency;Through time delay boundary calculation, the time delay feedback coefficient and time delay are optimized, the optimal time delay feedback coefficient and optimal time delay are obtained, and through adaptive adjustment, time delay compensation calibration is carried out using Smith prediction compensation model, which significantly improves the adaptive ability and compensation accuracy of time-varying time delay;In addition, standard test signals are applied to the target active suspension test bench test system, and time domain response data are collected to determine the tolerance according to the time domain response data to complete the parameter adaptive calibration of the active suspension system dynamics model.

The invention provides a hybrid vehicle catalyst rack aging durability test method and system, and the method comprises the steps: obtaining a standard catalyst temperature and an excess air coefficient, and determining test cycle parameters of rack aging based on the catalyst temperature and the excess air coefficient; executing a bench aging test according to the test cycle parameters so as to acquire first temperature data of the catalyst in the test process; based on a thermal aging model, according to the first temperature data, calculating an accumulated thermal equivalent of the bench test; and generating a test result based on the accumulated thermal equivalent. Through data driving and model equivalence, rack test conditions are accurately anchored to actual working conditions of a vehicle, test termination conditions are established on the basis of quantitative thermal damage accumulation, and the problems of over-design and low reliability of a test due to too strict test conditions are avoided.

The invention discloses a double-steel-wheel road roller integrated frame reliability bench test control method, which belongs to the technical field of double-steel-wheel road roller frame testing, and comprises the following steps: obtaining analogue simulation load data under a double-large vibration working condition based on analogue simulation calculation; inputting a set load spectrum program into a control system of the electro-hydraulic servo actuator so as to apply a cyclic load spectrum to the integrated frame; gradually lifting the cyclic load spectrum to a target load level, recording a dynamic strain time history, a displacement change and an acceleration response of a key measuring point in the endurance test process, and performing online damage monitoring to obtain a periodic damage detection record; and finally evaluating the fatigue damage, the durability limit and the structural reliability of the integrated frame by combining a fatigue damage accumulation theory. The method is good in universality and adaptability, can simulate the frame vibration load spectrum based on the cooperation of the front / rear double actuators and the single shaft, reproduces the vibration compaction working conditions of the front and rear double steel wheels of the road roller in the time domain, and achieves process prediction and optimization.

The application discloses a kind of ashless hydraulic oil lubricating oil compositions, according to mass percentage includes the following components: ashless antiwear agent 0.2-0.4wt%, bisphenol antioxidant 0.2-0.5wt%, auxiliary antioxidant 0.1-0.25%, ionic liquid 0.2-0.5wt%, rust inhibitor 0.02-0.04wt%, passivator 0.02-0.05%, demulsifier 0.01-0.02wt%, anti-foaming agent is 0.01-0.02wt%, ester base oil 1-5wt%, the rest is base oil.The hydraulic oil lubricating oil composition of the application has oxidation resistance, low sludge, hydrolytic stability, passes through high-pressure plunger Komatsu HPV35+35 bench test, meets the harsh operating condition requirements of high-temperature high-pressure hydraulic system, and can be applied to various hydraulic systems.

The invention discloses an engine soot growth evaluation method, device and equipment and a medium. The method comprises the steps that vehicle road spectrum data of a target vehicle running in a preset road are acquired, and the target vehicle carries a target engine with the soot growth condition to be evaluated; on the basis of the whole vehicle road spectrum data, constructing a bench test working condition representing the actual operation working condition of the target engine; controlling the target vehicle to operate on a vehicle rack based on the rack test working condition, and determining the engine oil soot growth rate of the target engine in the test operation process; and on the basis of a predetermined soot growth rate threshold value and the engine soot growth rate, determining the qualified condition of engine soot growth of the target engine. According to the method, the actual operation scene of the engine can be reproduced with high fidelity, the soot growth trend of the engine in the engine oil replacement period of the whole vehicle is accurately determined, and the soot growth condition of the engine is reasonably evaluated in the development test stage.

The invention relates to the technical field of automobile suspension testing, in particular to a method for controlling torque output of an automobile full-active suspension motor in a bench laboratory, which comprises the following steps of: firstly, establishing a torque output control unit in an automobile full-active suspension main controller; the test system comprises a bench test activation judgment module, a full-active suspension conventional control module and a bench test working condition torque output module. When the automobile is in a normal driving state, a conventional torque output algorithm is started; and when the automobile is in an experimental state, a bench test working condition torque output algorithm is started. According to the invention, switching between two states and corresponding algorithms can be realized, the test time is shortened, the efficiency is improved, hardware modification is not needed, the cost is reduced, and the accuracy of test data is improved.

The invention provides an engine bench test electric control system and a control method thereof, and a driving mechanism has a driving state in which the driving mechanism is connected with a crankshaft of an engine to reversely drag the crankshaft, a load state in which the driving mechanism is dragged by the engine, and a separation state in which the driving mechanism is separated from the crankshaft. According to the engine bench test electric control system, a first sensor detects a passing signal of a feature point of a rotating encoder; the second sensor detects the cylinder pressure of the cylinder body, obtains the maximum value point of the cylinder pressure under the condition that the driving mechanism is connected with the crankshaft of the engine to reversely drag the driving state of the crankshaft, and determines the maximum value point of the cylinder pressure as a compression top dead center of the stroke of a piston in the cylinder body; the electronic control unit obtains an encoder type of the encoder in response to the pass signal, associates the pass signal with the compression top dead center to obtain a circumferential position of a feature point at a moment at the compression top dead center relative to the axis of the crankshaft, and writes the encoder type and the circumferential position to form configuration information.

The present application relates to a kind of based on test bench silicon oil fan clutch simulation model correction method, belong to vehicle thermal management simulation and parameter correction technical field.The method obtains the active end speed, fan speed, transmission torque and shell temperature in silicon oil fan clutch test bench test, and calculates test slip rate;Establish simulation model and set initial viscosity-temperature function, initial heat transfer coefficient and initial flow resistance coefficient;Simulation torque, simulation shell temperature and simulation slip rate are obtained by simulation;Simulation results are compared with test results, and torque error, temperature error and slip rate error are calculated;According to error result, viscosity-temperature function, heat transfer coefficient and flow resistance coefficient are iteratively corrected until error meets preset threshold, and the corrected simulation model is output.The method can improve the comprehensive prediction accuracy of silicon oil fan clutch simulation model to torque, temperature and slip rate.

The invention relates to the field of material testing devices, and particularly discloses a spindle sample piece simulation bench testing device which comprises a base, a liquid environment tank, a torsion driving mechanism and a linear micro-motion driving mechanism, the liquid environment tank is used for containing a liquid medium, and a spindle sample piece is immersed in the liquid medium; the torsion driving mechanism is used for driving the two ends of the main shaft sample piece to generate relative torsion, and the linear micro-motion driving mechanism is used for driving the liquid environment tank to slide back and forth in the horizontal direction, so that the liquid medium contained in the liquid environment tank is shaken, and relative motion is generated between the liquid medium and the main shaft sample piece. Simulation of various environmental factors (including torsion, corrosion and micro motion) in the service process of the main shaft is integrated, the various environmental factors can be independently applied to the main shaft sample piece, and the various environmental factors can also be applied to the main shaft sample piece at the same time, so that behaviors of a main shaft sample piece material under the coupling action of a single environmental factor or various environmental factors are researched.

The application discloses an engine fault diagnosis method based on a multilevel progressive detection principle, and has the characteristics that the method comprises the following steps: engine timing geometric deviation angle measurement, to complete mechanical layer detection; engine crankshaft and camshaft Hall pulse signal measurement and correction, to complete electrical signal angle layer detection; engine cold test speed-up working condition crankshaft angle domain / frequency domain comprehensive analysis, namely vibration acceleration layer detection; and artificial intelligence fault identification based on big data. The method provided by the application can progressively judge and identify faults through the mechanical layer, the electrical signal angle layer, timing belt tension or vibration frequency and vibration acceleration layer, so that common engine faults in the engine cold test and bench test process can be quickly identified. In the judgment of the vibration acceleration layer, the engine fault is quickly identified and pre-judged by combining the mechanical layer and the electrical signal angle layer and through an artificial intelligence fault judgment algorithm based on big data.

The invention provides a predictive cruise oil saving method and device for simulating a preset driver and a medium, and belongs to the technical field of automatic driving and cruise control of heavy trucks. Acquiring the real-time state of the vehicle; carrying out gradient-containing optimal rotating speed / torque mapping; setting a heat efficiency threshold value through a bench test; defining a thermal efficiency interval not lower than a threshold value; calculating rotating speed, torque and vehicle speed by combining gradient, vehicle state and road constraint; predictive adjustment and closed-loop deviation correction are carried out according to the gradient trend, and it is ensured that the engine operates in a high-efficiency area. Heat efficiency interval matching guarantees an energy-saving core; sudden change loss is reduced through predictive adjustment, fluctuation is stabilized through closed-loop control, oil consumption is reduced, and driving smoothness is improved.

The invention discloses a low-code test method and device, a storage medium, equipment and a program product, and the method comprises the steps: executing a multi-stage smoking test on low-code assets generated by a target model, and when verification of any stage fails, terminating a subsequent test process and recording an error type; if the low-code assets pass the smoking test, loading the low-code assets into an integrated development environment for function test; if verification fails in the smoking test or the function test, generating a repair strategy based on the identified error type and the item context information, calling the target model to perform automatic repair, and re-executing the test process after repair; based on the result data of the test process, the multi-dimensional evaluation index corresponding to the low-code assets is calculated, the multi-dimensional evaluation index is processed, and the standardized evaluation report is generated, so that full-link, automatic and intelligent benchmark test for the low-code assets is realized, and the low-code generation quality is ensured.

This invention discloses a method, system, equipment, and medium for monitoring the operating status of a turboshaft engine. The method converts the gas generator speed and turbine inlet temperature into output torque, calculates the remaining torque for different flight conditions, and displays it on a helicopter. This reduces the parameters the pilot needs to monitor, simplifying the flight status assessment process. Furthermore, the pilot can intuitively understand how much power the engine can still produce, providing accurate reference for subsequent flight operations. In addition, by first fitting a mapping relationship based on a large amount of bench test data and then correcting the mapping relationship using output torque installation loss, a mapping relationship under actual engine installation flight conditions is obtained, which more closely reflects the actual flight conditions and ensures the accuracy of the mapping relationship. Moreover, bench testing is less costly and complex than installation testing, which helps reduce testing complexity and cost.