313 results about "Collision test" patented technology

The invention provides a double-mechanical-arm path planning method and device and a double-mechanical-arm control system.The double-mechanical-arm path planning method comprises the steps that path planning is conducted on double mechanical arms based on a given starting point and a given target point, and a double-mechanical-arm motion path is generated; time information is added to the motion paths of the double mechanical arms, and time paths of the double mechanical arms are generated; performing a collision test on the double mechanical arms based on the time path of the double mechanical arms; if the collision test is passed, the double-mechanical-arm time path serves as a target path; and if the collision test is not passed, the time path of the slave mechanical arm is adjusted based on the time path of the master mechanical arm until the collision test is passed, and the time path of the master mechanical arm and the adjusted time path of the slave mechanical arm serve as target paths. According to the technical scheme provided by the invention, the rationality and feasibility of path planning are improved.

The invention discloses a method for reducing the loss of an automatic driving vehicle collision test device, and the method comprises the following steps: obtaining preset test vehicle parameters which comprise the maximum deceleration amax of an automatic emergency braking system, the test vehicle speed vtest and the communication system delay time t delay; when an emergency braking system of the test vehicle is triggered, emergency avoidance triggering time t triggering is calculated through a formula t triggering = v test / amax + t delay; after position data of the test vehicle and the background target object are collected in real time, the real-time relative distance D is calculated, and the collision time t collision is calculated through a formula t collision = D / v test; and when t collision is less than or equal to t trigger, driving the background target object to move away from the collision direction through the mechanical execution mechanism. Before collision, the target object is actively driven to be away from the collision direction, and structural damage caused by direct collision can be avoided.

The utility model relates to the technical field of battery pack detection, and discloses a battery pack bottom scarification test obstacle and battery pack collision test system, which comprises a substrate used for being pre-buried in a ground foundation; the fixed seat is detachably assembled on the base plate, and the fixed seat is provided with an inclined surface; the movable pressing blocks are detachably assembled on the inclined face, each movable pressing block is provided with an assembly hole, the multiple movable pressing blocks are arranged in the inclination direction of the inclined face at intervals, and the assembly holes of the movable pressing blocks are coaxially formed; the collision column is inserted into the assembly hole, and the bottom end of the collision column is assembled with the fixed seat in a supporting and stopping manner. The base plate protects the ground foundation, and the ground is prevented from being damaged in the testing process; the fixed seat is detachably connected with the substrate, and the fixed seat, the collision column and other test equipment can be detached after the test is finished; the collision column is inserted into the assembly hole, when the collision column is bent and damaged after testing, only the collision column needs to be replaced, the fixing base and the movable pressing block can be repeatedly used, and the testing cost is reduced.

The invention relates to the technical field of computer systems based on specific calculation models, in particular to a seat trunk angle and backrest angle mutual calculation method and device, electronic equipment and a medium, and the method comprises the steps: obtaining flexible three coordinates of a vehicle seat, and constructing a current seat coordinate system of the vehicle seat based on the flexible three coordinates; the adjusting range of the vehicle seat is obtained, the adjusting range is divided according to preset conditions, and backrest mark point coordinates of the multiple segmentation units are obtained; and measuring an angle value of an HPM trunk angle corresponding to the backrest angle in each segmentation unit, and training the bidirectional neural network by using the backrest angle and the corresponding angle value to obtain a mutual calculation model of the trunk angle and the backrest angle of the vehicle seat. Therefore, the technical problems of complicated operation, poor accuracy, low working efficiency and the like due to the fact that a large amount of data changes exist in the collision test and the trunk angle needs to be measured repeatedly by using the HPM in the related technology are solved.

The invention provides a collision dummy chest sensing device abnormity detection method and device and electronic equipment, and the method comprises the steps: obtaining first acting force data and second acting force data of the chest of a collision dummy in a vehicle safety collision test; the abnormal detection result of the chest displacement sensing device is determined based on the comparison result of the first acting force data and the second acting force data, and the first acting force data is determined based on displacement data detected by the chest displacement sensing device of the collision dummy; the second acting force data is used for representing a theoretical value of an acting force required for generating the displacement data, and the second acting force data is determined based on data detected by a detection device except the chest displacement sensing device, so that anomaly detection can be quickly and effectively carried out on the displacement sensing device which collides with the chest of the dummy; therefore, the accuracy of chest displacement test data can be effectively ensured, and the reliability of a vehicle collision safety test result is improved.

The utility model relates to a battery pack bottom collision experiment device, which comprises a mounting base and a sleeve arranged on the outer side of the mounting base, fixed interfaces are annularly arranged on the outer side of one end of the sleeve at equal intervals, and movable parts matched with the fixed interfaces for rotary adjustment are mounted on the inner side of the sleeve. The movable seat stand, the positioning rod and the collision test blocks are matched with the movable groove, the buckling groove and the reset spring, when the device is matched with the battery pack to carry out a collision experiment, the movable seat stand, the positioning rod and the collision test blocks are matched with the movable groove, the buckling groove and the reset spring, and the movable seat stand, the positioning rod and the collision test blocks are matched with the movable groove, the buckling groove and the reset spring. A worker can connect the positioning rods on the outer side of the movable seat stand with the catching grooves at different positions, so that one ends, with different shapes, of the collision test block respectively face the battery pack to carry out collision tests, the types of experimental data are increased, the subsequent worker can systematically, scientifically and comprehensively evaluate the safety of the battery pack, and potential safety hazards in the using process are reduced.

The invention discloses an ice collision simulation test device, which comprises a test model, a bottom base, a wooden tool and a ballast head tool, and is characterized in that during a test, the test model is arranged between the bottom base and the wooden tool, so that the bottom base is connected with a boat body model, and the wooden tool is connected with a surrounding shell model, and the test stability is ensured; the ballast head tool is arranged at the top of the wooden tool and can be connected with external loading equipment, the external loading equipment is utilized to apply a downward load to the ballast head tool, and the wooden tool transmits a load effect to the test model; the method is used for simulating the ice load effect of the enclosure structure of the submarine to be analyzed in the upward-floating icebreaking process, and the structural damage of the enclosure structure under the upward-floating icebreaking working condition can be well simulated. The invention also provides a simulated ice-collision test method which utilizes the simulated ice-collision test device.

The invention discloses a deceleration sliding table pre-braking simulation collision test system and method, and the system comprises a sliding table assembly and a track which are located above the track and can move along the laying direction of the track; the traction assembly and the brake assembly are located on the two opposite sides of the sliding table assembly respectively, and the cable is arranged in the track, connected with the traction assembly and the detachable sliding table assembly respectively and connected with the brake assembly in a clamped mode; the traction assembly is used for pulling the cable to move towards the traction assembly, so that the sliding table assembly moves towards the traction assembly; the brake assembly is used for extruding the inner side wall of the track, so that the sliding table assembly is braked to decelerate under the reverse force of the moving direction of the traction assembly; and the collision waveform reproducing device is fixed to the side, close to the traction assembly, of the rail, so that the sliding table assembly can collide with the collision waveform reproducing device when moving in the direction close to the traction assembly. And a scene in which collision still occurs after emergency braking of a real vehicle is simulated, so that the test is more real.

The present disclosure discloses a method and system for evaluating collision testing of a bottom of a battery pack and a device. The method includes: constructing a three-dimensional battery pack collision simulation model according to material parameters and size parameters of each component at a bottom of a battery pack to be tested; performing collision testing on the battery pack to be tested based on a benchmarking working condition to obtain a measured collision posture; calibrating the three-dimensional battery pack collision simulation model based on the measured collision posture to obtain an optimized three-dimensional battery pack collision simulation model; setting a plurality of standby working conditions, performing collision simulation under any standby working condition by using the optimized three-dimensional battery pack collision simulation model, and recording a simulation result; determining collision safety performance of the battery pack to be tested based on simulation results corresponding to different standby working conditions.

The utility model discloses intelligent mowing robot test equipment, which comprises a workbench, a button test assembly, two sets of collision test assemblies and a three-axis electrical parameter module, the workbench is provided with a test base, a mowing robot is placed on the test base, the button test assembly is arranged on one side of the test base, and the two sets of collision test assemblies are connected with the three-axis electrical parameter module. The collision testing assemblies are arranged at the front end and the rear end of the testing base respectively, the three-axis electrical parameter module is arranged on the testing base, the button testing assembly is used for testing whether a button of the mowing robot can be normally started or not, and the collision testing assemblies are used for testing the collision function of the mowing robot. The three-axis electrical parameter module is used for testing information of a wheel set and a cutter head of the mowing robot. According to the scheme, the mowing robot is tested in sequence through the button testing assembly, the two collision testing assemblies and the three-axis electrical parameter module, so that the testing efficiency of the mowing robot is effectively improved, and the testing process of the mowing robot is simplified.

The invention discloses a cleaning robot anti-collision test system and method, a medium and a product, and relates to the technical field of robots, the cleaning robot anti-collision test system comprises a vehicle model, a vehicle model control module and a test system background, and the vehicle model is provided with a touch sensor; the vehicle model control module is used for controlling the vehicle model to run based on the configured running parameters when the anti-collision function of the cleaning robot is tested; the touch sensor is used for collecting collision data and transmitting the collision data to the test system background; and the test system background is used for receiving the collision data and generating a test result for the anti-collision function of the cleaning robot based on the collision data. According to the invention, random movement of the vehicle in the test process is avoided, the test conditions are fixed and repeatable, the repeatability and consistency of the anti-collision test are ensured, and thus the accuracy of evaluating the anti-collision performance of the cleaning robot is improved.

The invention discloses a transparent object mechanical arm grabbing method and system based on semantic geometry fusion perception, and the method comprises the steps: obtaining an RGB image and an original depth image of a to-be-grabbed object, carrying out the fusion prediction based on a pre-trained monocular perception network model, and outputting a segmentation mask and a restoration depth value of the to-be-grabbed transparent object; performing restoration processing on the original depth image through the restoration depth value, and outputting a complete three-dimensional point cloud of the to-be-grabbed object; object grabbing detection is carried out based on the grabbing detection network model, and a plurality of candidate 6-DoF grabbing postures and confidence degree scores and disturbance tolerance degrees corresponding to the grabbing postures are obtained; and non-maximum suppression is conducted through a collision test, selection is conducted, and the optimal grabbing posture is determined to achieve grabbing of the transparent object. According to the method, the object grabbing accuracy in a real scene can be improved. The transparent object mechanical arm grabbing method and system based on semantic and geometric fusion perception can be widely applied to the technical field of robot grabbing.

The utility model discloses a collision testing device which comprises a movable base, a testing obstacle is fixedly installed on the upper side of the movable base, a switching mechanism, guide wheels and universal wheels are arranged on the lower side of the movable base, and the switching mechanism can make the guide wheels / universal wheels make contact with the ground independently. When an obstacle is impacted by an automatic driving vehicle, the guide wheels can be quickly separated from the preset track, and the universal wheels are released to be in independent contact with the ground. By means of the design, the obstacle can flexibly move and be far away from the bottom of the automatic driving vehicle by means of impact force after collision, the risk that the obstacle is rolled is effectively avoided, and therefore the safety of the testing process is improved. The obstacle can automatically adjust the posture and continue to participate in the test after being impacted, so that test interruption and repeated setting caused by damage are reduced, and the repeatability of the test is improved.

The invention relates to the technical field of mathematical simulation, in particular to a vehicle collision test simulation degree prediction method and device and electronic device.The method comprises the steps that a training set of a vehicle collision test is obtained, and the training set comprises test parameter samples and a simulation degree result of the collision test corresponding to each sample; calculating an entropy value of each subset after each test parameter in the training set divides the training set, and calculating a corresponding overall entropy value after the test parameter divides the training set according to the entropy value; and gradually determining a plurality of division nodes in the training set according to the overall entropy value corresponding to each test parameter after the training set is divided, generating a prediction model of the vehicle collision test simulation degree according to the divided training set, and performing collision test simulation degree prediction on the target vehicle collision test by using the prediction model. Therefore, the problems that the simulation degree prediction cost of the vehicle collision test is high and the vehicle collision test is difficult to popularize and apply in the prior art are solved.

To easily measure movement of a vehicle and a collision target object during a collision test.SOLUTION: A collision test measuring device 20 measures movement of a vehicle 11 and a barrier 12 during a collision test in which the vehicle 11 collides with the barrier 12. A storage section 22 stores a video of the vehicle 11 and the barrier 12 captured with a camera 13 during the collision test. A first data acquisition section 24 detects a feature point from a specific still image through image recognition based on shapes of the vehicle 11 and the barrier 12 shown in the specific still image and acquires first data in which coordinates of the feature point are associated with a capture time of the specific still image. A second data acquisition section 25 detects a characteristic point from each of a plurality of subsequent still images by tracking the feature point detected by the first data acquisition section 24 through the image recognition and acquires second data in which the coordinates of the feature point are associated with the captured time of the subsequent still images.SELECTED DRAWING: Figure 1

The invention provides a bumper assembly low-speed collision test system and method, and the system comprises a mobile barrier trolley, a universal rapid installation clamp, a multi-sensor integrated measurement module, and a data collection and processing system, and can adapt to different bumper assemblies to be tested through the universal rapid installation clamp, simulates the real collision process, and improves the test precision. In the process that the traction system drives the movable barrier trolley to move along the track to conduct the collision test, the multi-sensor integrated measurement module can collect collision data and draw a data curve, and the accuracy of the collision test result is improved. And then the data acquisition and processing system scores the maintenance economy, the energy absorption efficiency, the passenger protectiveness and the structural integrity according to the collision data and the data curve, grades the collision test result according to the scoring result, and finally can output a depth test report containing rating and improvement suggestions. The method is used for supporting and improving the design and optimization capability of the bumper assembly.

The invention provides a rail vehicle collision test system, which relates to the technical field of rail vehicle collision tests and comprises a collision simulation device, a wall body, a test vehicle body and a data acquisition device. The test vehicle body is configured to move towards the wall body at a preset speed, and dummy passengers are carried in the test vehicle body. The collision simulation device comprises an energy absorption assembly and an adjusting assembly, the energy absorption assembly is installed on the wall and suitable for colliding with the test vehicle body, and the adjusting assembly is configured to respond to the crumple amount of the energy absorption assembly in the collision process and adjust the counter-acting force applied by the energy absorption assembly to the test vehicle body so as to simulate the collision process of the real vehicle with the energy absorption structure. The data acquisition device is arranged on the dummy passenger and is suitable for acquiring data information of secondary collision of the dummy passenger in the test vehicle body.

The invention relates to the technical field of robot collision test, and provides a human body model for collaborative robot interaction collision test and a control method thereof, and the human body model comprises a head module which comprises a head supporting part and a head model covering the outer layer of the head supporting part, and a three-dimensional force sensor is fixed on the side surface of the head module; the neck module comprises a neck skeleton rotationally connected with the head supporting part, and a six-dimensional force sensor is arranged at the joint; the trunk module comprises a trunk skeleton hinged to the neck skeleton and a thoracic cavity model covering the outer layer of the trunk skeleton, a plurality of three-dimensional force sensors are arranged on the front chest part of the trunk skeleton, and a three-dimensional force sensor and a flexible sensor are arranged on the back part; the big arm skeleton is connected with the trunk skeleton and is provided with a three-dimensional force sensor; the pose adjusting module comprises a horizontal rotating structure and a linear module, and simulates human body steering and gait movement so as to drive the head module, the neck module, the trunk module and the upper limb module to move and collide with the collaborative robot. Omnidirectional capture and analysis of the space collision force are realized.

The invention relates to a collision test method and system of a power battery, a vehicle and electronic equipment, and relates to the technical field of battery testing. The method comprises the following steps: carrying out a collision test on a vehicle to obtain an extrusion boundary of a power battery assembled in the vehicle; wherein the extrusion boundary comprises the maximum allowable deformation amount and the maximum allowable deformation speed; and based on the extrusion boundary, performing a collision test on the power battery to determine the safety performance of the power battery. Therefore, the collision test can be carried out on the power battery under a more accurate working condition.

A charging pile reliability testing device disclosed by the present invention comprises a chassis, a box body installed in the middle position of the chassis and a driving assembly arranged on one side of the box body, a collision testing assembly is arranged on one side of the driving assembly, a condensation assembly is arranged on the outer side of the box body, a spraying assembly is arranged on one side of the condensation assembly, and the spraying assembly is arranged on the other side of the box body. The washing device is used for simulating the raining environment of the charging pile and washing the outer wall of the charging pile; under the cooperation effect of an electric heating pipe A and an electric heating pipe B, internal energy is converted into mechanical energy of a driving shaft, meanwhile, high-temperature and high-pressure steam is guided into a flow guide pipe A, a heat conduction pipe heats the interior of a box body, a cam drives an ejector rod to move in a reciprocating mode, a collision test is conducted on a charging pile in the box body, and steam is condensed under the cooling effect of a heat dissipation part; and meanwhile, the charging pile is washed, so that the charging pile reliability testing device can detect the charging stability of the charging pile in the high temperature, rain and collision processes at the same time.

The invention relates to the technical field of vehicle collision measurement, in particular to a dummy head displacement measurement method and system based on a sensor and a head model, and the method comprises the steps: marking a camera, a body-in-white backboard reference point and a dummy head key position in a test scene before a test is started, and forming corresponding marking points; recording an initial three-dimensional coordinate corresponding to each mark point through a three-coordinate measuring instrument; parameters of acceleration sensors arranged on the mass center of the body in white and the mass center of the head of the dummy are set; after the simulation collision test is finished, collecting video data shot by the camera and acceleration data recorded by the acceleration sensor; determining displacements of the mark points on the key positions of the head of the dummy in X, Y and Z, and outputting a displacement curve corresponding to the mark points on the key positions of the head of the dummy; and determining the relative displacement of the corresponding dummy mass center in the X, Y and Z directions at the Tmax moment.

The invention discloses an intelligent networked automobile communication module multi-mode adjustment anti-collision test device, and belongs to the technical field of communication module tests.The intelligent networked automobile communication module multi-mode adjustment anti-collision test device comprises a storage cabinet, a material sliding seat is arranged in the storage cabinet, a rack and a back plate are fixedly installed at the top of the storage cabinet, and scale marks and a recording plate are arranged on the outer surface of the back plate; a control motor is fixedly mounted in the storage cabinet; according to the invention, the impact release mechanism and the anti-collision test mechanism are arranged in a matched manner, so that the comprehensiveness of the equipment is improved, the working state of the automobile communication module in the collision process can be recorded, the external condition of the automobile communication module can be recorded, and the initial point location of the impact release mechanism can be recorded; a large amount of data is provided for subsequent analysis, meanwhile, collision modes can be rapidly changed, different results generated by different forms of impact force can be recorded, the testing diversity is high, and the practical application effect of the equipment is good.

The invention relates to the technical field of automobile research and development, and particularly provides a collision test system and a vehicle development method. The collision test system comprises a plurality of test assemblies respectively matched with each vehicle part, a trolley capable of moving on a set advancing path, and a rigid barrier arranged at the tail end of the advancing path, a mounting substrate is arranged at the front end of the trolley, the testing assembly comprises a fixed mounting part for fixedly mounting a vehicle part and an impact module for impacting the vehicle part, and the impact module and the fixed mounting part are respectively arranged on the mounting substrate and the rigid barrier in an exchangeable manner. According to the collision test system provided by the invention, the collision test task of each vehicle part can be completed by using one trolley by adapting to various test components, so that the problem that the simulation analysis verification precision of the vehicle parts is insufficient is solved, the number of times of the whole vehicle collision test is reduced, and the vehicle research and development cost is reduced.

The invention belongs to the technical field of automobile collision safety, and particularly relates to a collision test dummy biological fidelity evaluation method and device based on frequency spectrum energy and a medium. Firstly, dummy collision response data and collision response data, stored in a database, of different body parts of a human body are collected; a preset spectral analysis method is called to analyze the collected dummy collision response data and the collision response data of different body parts of the human body, and spectral energy of collision response of the dummy and the different body parts of the human body is obtained through calculation; calculating the biological fidelity of the dummy based on the difference of the frequency spectrum energy of the collision response of the dummy and different parts of the human body; and finally, evaluating the dummy biological fidelity obtained by calculation according to a preset evaluation standard, and outputting a dummy biological fidelity grade. According to the method, the dynamic response characteristics of the dummy in different frequency spectrum energy ranges can be deeply analyzed, so that the biological fidelity of the dummy is accurately measured, and the simulation precision of the dummy to the real response of a human body is improved.

The invention relates to the technical field of automobile collision test, and particularly provides a vehicle collision test system and test method. The vehicle collision test system comprises a collision test trolley and a collision test device used for bearing collision of the collision test trolley. The collision test device comprises a base, and a full front collision buffer unit and a front offset collision buffer unit which are alternately arranged on the base, the collision test trolley comprises a front frame, a middle frame and a rear frame which are respectively constructed and sequentially assembled and connected, and the middle frame bears a body-in-white body of a vehicle type to be subjected to collision test; the full front collision buffering unit comprises a plurality of first damping mechanisms arranged on the base at intervals, and the front offset collision buffering unit comprises a second damping mechanism arranged on the left half portion or the right half portion of the base. According to the vehicle collision test system, the collision test trolley can replace a real vehicle to carry out a collision test, and posture change and waveform conditions in the vehicle collision process can be well reproduced.

The invention relates to the technical field of automobile collision, and discloses a vehicle structure optimization method, device and equipment and a medium, and the method comprises the steps: obtaining the obstacle avoidance intrusion amount of each unit in a to-be-checked region in a vehicle collision test; determining the average intrusion amount of the to-be-inspected area according to the obstacle avoidance intrusion amount; determining an absolute deviation between the obstacle avoidance intrusion amount and the average intrusion amount, and configuring a color matched with the absolute deviation for each unit to generate a visualization graph; and determining a to-be-optimized area from the visual graph, and determining an optimization direction of the to-be-optimized area based on the absolute deviation so as to optimize the vehicle structure according to the optimization direction. According to the technical scheme, traditional experience and trial and error methods can be broken through, a more scientific and systematic optimization means is adopted, the design efficiency of collision compatibility is improved, and waste of computing resources and time is reduced.

The invention discloses a collision test method and test system for an energy storage element of an electronic detonator, and belongs to the technical field of initiating explosive device test. The method comprises the following steps: blocking an electronic detonator sample with a first rotating speed by adopting a blocking mechanism on a collision test system, so that the electronic detonator sample collides with the blocking mechanism; capturing a voltage curve image at the collision moment T through a voltage curve monitoring and processing unit, and calculating to obtain a first drop amplitude value under the maximum voltage at the collision moment T according to the captured voltage curve image; capturing a voltage curve image from the collision moment T to the first collision duration T + T1 through a voltage curve monitoring processing unit, and calculating to obtain a voltage drop rate from the collision moment T to the first collision duration T + T1 according to the captured voltage curve image; and evaluating the impact resistance of the energy storage element according to the obtained first drop amplitude under the maximum voltage and the voltage drop rate. The collision test method provided by the invention is beneficial to improving the accuracy of a collision test result.

The utility model provides a detection device for an automobile safety performance engineering anti-collision test, belongs to the technical field of automobile collision tests, and aims to solve the problem that a mounting plate and a rail car are inconvenient to connect when a mobile dummy test is carried out in the prior art. The first lower limb is fixedly connected to the upper surface of the mounting plate; the two second connecting pieces are fixedly connected to the lower portions of the second lower limb and the trunk respectively; the four suction cups are dispersedly and fixedly connected to the interior of the mounting plate; the quick fixing assembly is arranged on the upper surface of the mounting plate; the two sets of splitting and splicing assemblies are arranged in the two first connecting pieces and the two second connecting pieces in a scattered mode. According to the utility model, the sucker is stably adsorbed on the ground or a track trolley by rotating the knob, the operation is simple and rapid, the placement is relatively stable, the second lower limb can be independently and rapidly detached, the overall height of the dummy is convenient to adjust, and diversified test requirements are met.

The invention relates to a system (100) for optimizing the configuration of crash tests and simulations for vehicle development. The system (100) comprises a data preparation module (200) that splits a data set (210) containing crash test and simulation data into a first training data set (210), a validation data set (230), and a test data set (240); a training module (300) with a first AI model (350) for creating configurations of physical crash tests and virtual simulations, wherein the first AI model (350) is trained with the first training data set (220); and a data value module (400) that calculates data values ​​(φ(i)) for the data points (i) of the crash test and simulation data of the training data set (220) with respect to the validation data set (230).a model optimization module (500) comprising a second AI model (550) and a training data generator (570), wherein the training data generator (570) creates a second training data set (580) which is used to train the second AI model (550) to predict the relationship between input parameters (p) and the computed data values ​​(φ(i)); a parameter module (700) which uses the trained second AI model (550) to find crash test parameters with a maximum data value (φ(i)).

The invention relates to the technical field of simulation testing, and discloses a probe collision detection method, device and equipment and a medium, and the method comprises the steps: inputting all to-be-measured points into a simulation test model; marking all points to be measured on the workpiece model; calling an initial probe model from the probe database, and controlling the initial probe model to perform collision test on the to-be-measured point on the workpiece model through the measuring rod model to obtain initial collision test results corresponding to each initial measurement angle of the initial probe model; and when the initial collision test results corresponding to all the initial measurement angles of the initial probe model are the first test results, replacing the next probe model and retesting until a second test result is obtained or the initial collision test results corresponding to all the probe models are the first test results. According to the invention, through the simulation collision test, the collision between the measuring rod and other objects and the collision between the measuring needle and the workpiece are avoided, and the cost and risk of actual operation are reduced.