CN115343073A - Steering intermediate shaft rigidity measuring device and method for dynamic model identification - Google Patents

Steering intermediate shaft rigidity measuring device and method for dynamic model identification Download PDF

Info

Publication number
CN115343073A
CN115343073A CN202210903232.2A CN202210903232A CN115343073A CN 115343073 A CN115343073 A CN 115343073A CN 202210903232 A CN202210903232 A CN 202210903232A CN 115343073 A CN115343073 A CN 115343073A
Authority
CN
China
Prior art keywords
torque
torsion motor
intermediate shaft
test
torsion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210903232.2A
Other languages
Chinese (zh)
Inventor
张大川
李论
郑树东
王志铁
王月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FAW Group Corp
Original Assignee
FAW Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FAW Group Corp filed Critical FAW Group Corp
Priority to CN202210903232.2A priority Critical patent/CN115343073A/en
Publication of CN115343073A publication Critical patent/CN115343073A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/06—Steering behaviour; Rolling behaviour
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

A steering intermediate shaft rigidity measuring device and a measuring method for dynamic model identification belong to the technical field of steering column rigidity and solve the problem that the input correctness of the dynamic modeling of a steering system cannot be ensured due to the fact that the conventional steering column rigidity testing device and the conventional steering column rigidity testing method cannot be controlled with high precision. The device comprises a torque loading device, a steering intermediate shaft lower end fixing device and a process monitoring device; the torque loading device is fixed on a fixing device at the lower end of the steering intermediate shaft; the process monitoring device is positioned on one side of the fixing device at the lower end of the steering intermediate shaft.

Description

Steering intermediate shaft rigidity measuring device and method for dynamic model identification
Technical Field
The invention relates to the technical field of steering intermediate shaft rigidity, in particular to a steering intermediate shaft rigidity measuring device and a measuring method for dynamic model identification.
Background
In the dynamic modeling process of the steering system, the rigidity of each part of the steering system needs to be measured. The steering system rigidity measurement test comprises the components of steering system rigidity, steering column rigidity, steering intermediate shaft rigidity, steering gear rack meshing rigidity, steering pull rod rigidity and the like. The precision of the test result of the rigidity of the steering intermediate shaft has great influence on the precision of parameters such as lateral force toe-in, aligning force local toe-in, understeer degree, steering sensitivity, corresponding yaw time and the like in the dynamic modeling.
However, the existing steering intermediate shaft rigidity testing device and method cannot ensure the input correctness of the dynamic modeling of the steering system due to the fact that high-precision control cannot be achieved.
Disclosure of Invention
The invention solves the problem that the input correctness of the dynamic modeling of the steering system cannot be ensured due to the fact that the existing steering intermediate shaft rigidity testing device and method cannot be controlled with high precision.
The invention relates to a device for measuring the rigidity of a steering intermediate shaft for dynamic model identification, which comprises a torque loading device 201, a steering intermediate shaft lower end fixing device 202 and a process monitoring device 203;
the torque loading device 201 is fixed on a lower end fixing device 202 of the steering intermediate shaft;
the process monitoring device 203 is located on the side of the steering intermediate shaft lower end fixing device 202.
The invention relates to a steering intermediate shaft rigidity measuring method for dynamic model identification, which is realized by adopting the steering intermediate shaft rigidity measuring device for dynamic model identification, and comprises the following steps:
step S1, calibrating the torque and the rotation angle of two torsion motors;
s2, oppositely installing two torsion motors, keeping the displacement of one torsion motor, loading the other torsion motor to the torque T required by the test, measuring and recording the rotation angle theta of one torsion motor in the test process 1 Sum torque T 1 The rotation angle theta of the other torsion motor in the test process 2 Sum torque T 2 ；
S3, respectively judging torque T of one torsion motor 1 Torque T of another torsion motor 2 Torque T of a torsion motor 1 The torque T loaded to the test requirement by the other torsion motor and the torque T of the other torsion motor 2 Whether the difference values of the torque T loaded to the test requirement by the other torsion motor are all smaller than a specified value is judged, if yes, the step S4 is carried out, and if not, the steps S1 to S2 are repeated;
s4, calculating the rigidity of a single torsion motor;
step S5, installing the torque loading device 201 between the two torsion motors, and repeating the step S2 to obtain the rotation angle theta of one torsion motor in the process 1’ Sum torque T 1’ The rotation angle theta of another torsion motor in the process 2’ Sum torque T 2’ ；
Step S6, calculating the stiffness of the torque loading device 201;
s7, mounting a lower end fixing device 202 of the steering intermediate shaft between the two torsion motors, and repeating the step two to obtain the rotation angle theta of one torsion motor in the test process 1” Sum torque T 1” The rotation angle theta of the other torsion motor in the test process 2” Sum torque T 2” ；
Step S8, calculating the stiffness of the steering intermediate shaft lower end fixing device 202:
step S9, after the steering intermediate shaft sample piece, the torque loading device 201 and the steering intermediate shaft lower end fixing device 202 are installed, loading is carried out on the torque T required by the test, and the rotating angle theta of one torsion motor in the test process is obtained 1”’ Sum torque T 1”’ The rotation angle theta of another torsion motor in the process 2”’ Sum torque T 2”’ ；
Step S10, the process monitoring device 203 reads whether the reading is larger than a specified value, if so, the structures of the torque loading device 201 and the steering intermediate shaft lower end fixing device 202 are redesigned, the steps S1 to S10 are repeated, and if not, the step S11 is carried out;
step S11, calculating the integral rigidity of the test;
and S12, calculating the rigidity of the steering intermediate shaft sample piece.
Further, in an embodiment of the present invention, in the step S1, the calibrating the torque and the rotation angle of the two torsion motors is:
the parameter precision of adjusting the torque of the two torsion motors reaches at least 0.001Nm, and the parameter precision of adjusting the rotation angle of the two torsion motors reaches at least 0.001 degrees.
Further, in an embodiment of the present invention, in the step S3, the torque T of one torsion motor is respectively determined 1 Torque T of another torsion motor 2 A torque T of the torsion motor 1 The torque T loaded to the test requirement by the other torsion motor and the torque T of the other torsion motor 2 Whether the differences from the torque T applied to the test by the other torsion motor are each less than the specified value of 0.001Nm.
Further, in an embodiment of the present invention, in the step S4, the calculation formula of the stiffness of the single torsional motor is:
Figure BDA0003771675810000031
in the formula, theta 1 Is the rotation angle theta of a torsion motor in the test process 2 The turning angle of the other torsion motor in the test process is T, and the other torsion motor is loaded to the torque required by the test.
Further, in an embodiment of the present invention, in step S6, the calculation formula of the stiffness of the torque loading device 201 is:
Figure BDA0003771675810000032
in the formula, theta 1’ Is the angle of rotation, theta, of a torsion motor in the process 2’ Is the rotation angle of one torsion motor in the process, T is the torque loaded by the other torsion motor to the test requirement, K 1 The rigidity of a single torsion motor.
Further, in an embodiment of the present invention, in step S8, the calculation formula of the stiffness of the lower end fixing device 202 of the steering intermediate shaft is:
Figure BDA0003771675810000041
in the formula, theta 1” Is the angle of rotation, theta, of a torsion motor during the test 2” Is the rotation angle of another torsion motor in the test process, T is the torque loaded by the other torsion motor to the test requirement, K 1 The rigidity of the single torsion motor is improved.
Further, in an embodiment of the present invention, in the step S10, the monitoring device 203 reads whether the value is greater than a specified value, which is 0.001mm.
Further, in an embodiment of the present invention, in step S11, the calculation formula of the test global stiffness is:
Figure BDA0003771675810000042
in the formula, theta 1”’ Is the angle of rotation, theta, of a torsion motor during the test 2”’ The turning angle of the other torsion motor in the process is T, and the other torsion motor is loaded to the torque required by the test.
Further, in an embodiment of the present invention, in the step S12, the calculation formula of the stiffness of the steering intermediate shaft sample member is:
Figure BDA0003771675810000043
in the formula, K 1 For a single torsional motor stiffness, K 2 For the stiffness of the torque loading device 201, K 3 Stiffness, K, of the steering shaft lower end fixing device 202 4 To test the bulk stiffness.
The invention solves the problem that the input correctness of the dynamic modeling of the steering system cannot be ensured due to the fact that the existing steering intermediate shaft rigidity testing device and method cannot be controlled with high precision. The method has the following specific beneficial effects:
according to the steering intermediate shaft rigidity measuring device for dynamic model identification, the steering intermediate shaft rigidity testing precision is improved through the selection of the steering intermediate shaft rigidity testing device in high-precision control, and the input correctness of the dynamic modeling of a steering system is ensured.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a diagram of a device for measuring the stiffness of an intermediate shaft according to an embodiment, in which 201 is a second torque application device, 202 is a steering intermediate shaft lower end fixing device, and 203 is a second process monitoring device.
Detailed Description
Various embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The embodiments described by referring to the drawings are exemplary and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The device for measuring the rigidity of the steering intermediate shaft for identifying the dynamic model comprises a torque loading device 201, a steering intermediate shaft lower end fixing device 202 and a process monitoring device 203;
the torque loading device 201 is fixed on a lower end fixing device 202 of the steering intermediate shaft;
the process monitoring device 203 is located on the steering intermediate shaft lower end fixing device 202 side.
The method for measuring the rigidity of the steering intermediate shaft for dynamic model identification in the embodiment is realized by adopting the device for measuring the rigidity of the steering intermediate shaft for dynamic model identification in the embodiment, and comprises the following steps of:
step S1, calibrating the torque and the rotation angle of two torsion motors;
s2, oppositely installing two torsion motors, keeping the displacement of one torsion motor, loading the other torsion motor to the torque T required by the test, measuring and carrying outRecording the rotation angle theta of a torsion motor in the test process 1 Sum torque T 1 The rotation angle theta of the other torsion motor in the test process 2 Sum torque T 2 ；
S3, respectively judging torque T of one torsion motor 1 Torque T of another torsion motor 2 A torque T of the torsion motor 1 The torque T required by the test loaded by the other torsion motor and the torque T of the other torsion motor 2 Whether the difference values of the torque T loaded to the test requirement by the other torsion motor are all smaller than a specified value is judged, if yes, the step S4 is carried out, and if not, the steps S1 to S2 are repeated;
s4, calculating the rigidity of a single torsion motor;
step S5, mounting a torque loading device 201 between the two torsion motors, and repeating the step S2 to obtain the rotation angle theta of one torsion motor in the process 1’ Sum torque T 1’ The rotation angle theta of another torsion motor in the process 2’ Sum torque T 2’ ；
Step S6, calculating the stiffness of the torque loading device 201;
s7, mounting a lower end fixing device 202 of the steering intermediate shaft between the two torsion motors, and repeating the step two to obtain the rotation angle theta of one torsion motor in the test process 1” Sum torque T 1” The rotation angle theta of the other torsion motor in the test process 2” Sum torque T 2” ；
Step S8, calculating the stiffness of the steering intermediate shaft lower end fixing device 202:
step S9, after the steering intermediate shaft sample piece, the torque loading device 201 and the steering intermediate shaft lower end fixing device 202 are installed, loading is carried out on the torque T required by the test, and the rotating angle theta of one torsion motor in the test process is obtained 1”’ Sum torque T 1”’ The rotation angle theta of another torsion motor in the process 2”’ Sum torque T 2”’ ；
Step S10, whether the reading of the process monitoring device 203 is larger than a specified value or not, if so, redesigning the structures of the torque loading device 201 and the steering intermediate shaft lower end fixing device 202, repeating the steps S1-S10, and if not, performing the step S11;
step S11, calculating the integral rigidity of the test;
and S12, calculating the rigidity of the steering intermediate shaft sample piece.
In this embodiment, in the step S1, the calibrating the torque and the rotation angle of the two torsion motors is as follows:
the parameter precision of adjusting the torque of the two torsion motors reaches at least 0.001Nm, and the parameter precision of adjusting the rotation angle of the two torsion motors reaches at least 0.001 degrees.
In this embodiment, in the step S3, the torque T of one torsion motor is respectively determined 1 Torque T of another torsion motor 2 A torque T of the torsion motor 1 The torque T loaded to the test requirement by the other torsion motor and the torque T of the other torsion motor 2 Whether the difference with the torque T loaded to the test requirement of the other torsion motor is less than the specified value and is 0.001Nm.
In this embodiment, in the step S4, the calculation formula of the stiffness of the single torsion motor is:
Figure BDA0003771675810000071
in the formula, theta 1 Is the angle of rotation, theta, of a torsion motor during the test 2 The turning angle of the other torsion motor in the test process is T, and the other torsion motor is loaded to the torque required by the test.
In this embodiment, in the step S6, the calculation formula of the stiffness of the torque loading device 201 is:
Figure BDA0003771675810000072
in the formula, theta 1’ Is the angle of rotation, theta, of a torsion motor in the process 2’ Is the rotation angle of one torsion motor in the process, T is the torque loaded by the other torsion motor to the test requirement, K 1 Is a single torsional motorAnd (4) degree.
In this embodiment, in the step S8, the calculation formula of the stiffness of the steering intermediate shaft lower end fixing device 202 is as follows:
Figure BDA0003771675810000073
in the formula, theta 1” Is the angle of rotation, theta, of a torsion motor during the test 2” Is the rotation angle of another torsion motor in the test process, T is the torque loaded to the test requirement by another torsion motor, K 1 The rigidity of the single torsion motor is improved.
In this embodiment, in the step S10, the detecting process monitoring device 203 reads whether the reading is larger than a specified value, which is 0.001mm.
In this embodiment, in the step S11, the calculation formula of the test overall stiffness is:
Figure BDA0003771675810000081
in the formula, theta 1”’ Is the rotation angle theta of a torsion motor in the test process 2”’ The turning angle of the other torsion motor in the process is T, and the other torsion motor is loaded to the torque required by the test.
In this embodiment, in step S12, the calculation formula of the stiffness of the steering intermediate shaft sample member is:
Figure BDA0003771675810000082
in the formula, K 1 For a single torsional motor stiffness, K 2 For the stiffness of the torque loading device 201, K 3 Stiffness, K, of the steering shaft lower end fixing device 202 4 To test the bulk stiffness.
The embodiment is based on the steering intermediate shaft stiffness measuring device for dynamic model identification, and can be better understood by combining fig. 1, and provides an actual embodiment:
1. calibrating the torque and the rotation angle of the two torsion motors, and adjusting parameters until the precision reaches 0.001 degrees and 0.001Nm or more;
2. two torsion motors are oppositely arranged, one is kept in displacement, the other is loaded to the torque T required by the test, and the rotating angle theta of one torsion motor in the process is measured and recorded 1 Sum torque T 1 The rotation angle theta of another torsion motor in the process 2 Sum torque T 2 ；
3. The difference values of T1 and T2, and T1 and T, T and T are not more than 0.001Nm, otherwise, the steps 1 and 2 are repeated;
4. calculating the rigidity of the single torsional actuator:
Figure BDA0003771675810000091
5. a torque loading device 201 is arranged between the two torsion motors, the step 2 is repeated, and the rotation angle theta of one torsion motor in the process is obtained 1’ Sum torque T 1’ The rotation angle theta of another torsion motor in the process 2’ Sum torque T 2’ ；
6. Calculating the stiffness of the torque loading device 201:
Figure BDA0003771675810000092
7. mounting a steering shaft lower end fixing device 202 between the two torsion motors, and repeating the step 2 to obtain the rotation angle theta of one torsion motor in the process 1” Sum torque T 1” The rotation angle theta of another torsion motor in the process 2” Sum torque T 2” ；
8. Calculating the stiffness of the steering shaft lower end fixing device 202:
Figure BDA0003771675810000093
9. installing a sample, a torque loading device 201 and a steering intermediate shaft lower end fixing device 202 according to the figure 1, loading the sample, the torque loading device and the steering intermediate shaft lower end fixing device to a torque T required by a test, and obtaining a rotation angle theta of a 1# torsion motor in the process 1”’ Sum torque T 1”’ The rotation angle theta of another torsion motor in the process 2”’ Sum torque T 2”’ ；
10. Detecting whether the reading of the process monitoring device 203 is larger than 0.001mm, if so, redesigning the structures of the loading device 201 and the steering shaft lower end fixing device 202, and repeating the steps 1-10;
11. calculating the overall rigidity of the test:
Figure BDA0003771675810000094
12. calculating the rigidity of the sample piece:
Figure BDA0003771675810000095
the steering intermediate shaft stiffness measuring device and the steering intermediate shaft stiffness measuring method for dynamic model identification, which are provided by the invention, are described in detail above, specific examples are applied in the text to explain the principle and the implementation of the invention, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A steering intermediate shaft rigidity measuring device for dynamic model identification is characterized by comprising a torque loading device (201), a steering intermediate shaft lower end fixing device (202) and a process monitoring device (203);
the torque loading device (201) is fixed on a fixing device (202) at the lower end of the steering intermediate shaft;
the process monitoring device (203) is positioned on one side of the lower end fixing device (202) of the steering intermediate shaft.
2. A steering intermediate shaft rigidity measurement method for kinetic model identification, characterized in that the device is realized by using the steering intermediate shaft rigidity measurement device for kinetic model identification according to claim 1, and comprises the following steps:
step S1, calibrating the torque and the rotation angle of two torsion motors;
s2, oppositely installing two torsion motors, keeping the displacement of one torsion motor, loading the other torsion motor to the torque T required by the test, measuring and recording the rotation angle theta of one torsion motor in the test process 1 Sum torque T 1 The rotation angle theta of the other torsion motor in the test process 2 Sum torque T 2 ；
S3, respectively judging torque T of one torsion motor 1 Torque T of another torsion motor 2 Torque T of a torsion motor 1 The torque T required by the test loaded by the other torsion motor and the torque T of the other torsion motor 2 Whether the difference values of the torque T loaded to the test requirement by the other torsion motor are all smaller than a specified value is judged, if yes, the step S4 is carried out, and if not, the steps S1 to S2 are repeated;
s4, calculating the rigidity of a single torsion motor;
step S5, a torque loading device (201) is arranged between the two torsion motors, and the step S2 is repeated to obtain the rotation angle theta of one torsion motor in the process 1’ Sum torque T 1’ The rotation angle theta of another torsion motor in the process 2’ Sum torque T 2’ ；
Step S6, calculating the rigidity of the torque loading device (201);
s7, mounting a steering intermediate shaft lower end fixing device (202) between the two torsion motors, and repeating the step two to obtain the rotation angle theta of one torsion motor in the test process 1” Sum torque T 1” The rotation angle theta of the other torsion motor in the test process 2” Sum torque T 2” ；
Step S8, calculating the rigidity of the lower end fixing device (202) of the steering intermediate shaft:
step S9, after the steering intermediate shaft sample piece, the torque loading device (201) and the steering intermediate shaft lower end fixing device (202) are installed, loading is carried out on the torque T required by the test, and the rotating angle theta of the torsion motor in the test process is obtained 1”’ Sum torque T 1”’ The rotation angle theta of another torsion motor in the process 2”’ Sum torque T 2”’ ；
Step S10, whether the reading of the process monitoring device (203) is larger than a specified value or not, if so, redesigning the structures of the torque loading device (201) and the steering intermediate shaft lower end fixing device (202), repeating the steps S1-S10, and if not, performing the step S11;
s11, calculating the integral rigidity of the test;
and S12, calculating the rigidity of the steering intermediate shaft sample piece.
3. The method for measuring the rigidity of the steering intermediate shaft for the kinetic model identification as claimed in claim 2, wherein in the step S1, the torque and the rotation angle of the two torsion motors are calibrated as follows:
the parameter precision of adjusting the torque of the two torsion motors reaches at least 0.001Nm, and the parameter precision of adjusting the rotation angle of the two torsion motors reaches at least 0.001 degrees.
4. The method as claimed in claim 2, wherein in step S3, the torque T of the torsion motor is respectively determined 1 Torque T of another torsion motor 2 A torque T of the torsion motor 1 The torque T required by the test loaded by the other torsion motor and the torque T of the other torsion motor 2 Whether the differences from the torque T applied to the test by the other torsion motor are each less than the specified value of 0.001Nm.
5. The method as claimed in claim 2, wherein in step S4, the calculation formula of the stiffness of the single torsion motor is:
Figure FDA0003771675800000031
in the formula, theta 1 Is the angle of rotation, theta, of a torsion motor during the test 2 The turning angle of the other torsion motor in the test process is T, and the other torsion motor is loaded to the torque required by the test.
6. The method for measuring the stiffness of the steering intermediate shaft for the dynamic model identification as claimed in claim 2, wherein in the step S6, the stiffness of the torque loading device (201) is calculated by the formula:
Figure FDA0003771675800000032
in the formula, theta 1’ Is the angle of rotation, theta, of a torsion motor in the process 2’ Is the rotation angle of one torsion motor in the process, T is the torque loaded by the other torsion motor to the test requirement, K 1 The rigidity of a single torsion motor.
7. The method for measuring the rigidity of the steering intermediate shaft for kinetic model identification as claimed in claim 2, wherein in step S8, the calculation formula of the rigidity of the lower end fixing device (202) of the steering intermediate shaft is as follows:
Figure FDA0003771675800000033
in the formula, theta 1” Is the angle of rotation, theta, of a torsion motor during the test 2” Is the rotation angle of another torsion motor in the test process, T is the torque loaded to the test requirement by another torsion motor, K 1 The rigidity of a single torsion motor.
8. A steering countershaft stiffness measurement method for dynamic model identification according to claim 2, wherein in step S10, the monitoring device (203) checks if a reading is greater than a specified value by 0.001mm.
9. The method for measuring the stiffness of the steering intermediate shaft for the kinetic model identification as claimed in claim 2, wherein in the step S11, the calculation formula of the test global stiffness is as follows:
Figure FDA0003771675800000041
in the formula, theta 1”’ Is the rotation angle theta of a torsion motor in the test process 2”’ The turning angle of the other torsion motor in the process is T, and the other torsion motor is loaded to the torque required by the test.
10. The method for measuring the rigidity of the steering intermediate shaft for dynamic model identification according to claim 2, wherein in the step S12, the calculation formula of the rigidity of the steering intermediate shaft sample member is as follows:
Figure FDA0003771675800000042
in the formula, K 1 For a single torsional motor stiffness, K 2 For the stiffness, K, of the torque loading device (201) 3 Rigidity, K, of the steering shaft lower end fixing device (202) 4 To test the overall stiffness.
CN202210903232.2A 2022-07-29 2022-07-29 Steering intermediate shaft rigidity measuring device and method for dynamic model identification Pending CN115343073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210903232.2A CN115343073A (en) 2022-07-29 2022-07-29 Steering intermediate shaft rigidity measuring device and method for dynamic model identification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210903232.2A CN115343073A (en) 2022-07-29 2022-07-29 Steering intermediate shaft rigidity measuring device and method for dynamic model identification

Publications (1)

Publication Number Publication Date
CN115343073A true CN115343073A (en) 2022-11-15

Family

ID=83950117

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210903232.2A Pending CN115343073A (en) 2022-07-29 2022-07-29 Steering intermediate shaft rigidity measuring device and method for dynamic model identification

Country Status (1)

Country Link
CN (1) CN115343073A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0196526A (en) * 1987-10-08 1989-04-14 Honda Motor Co Ltd Rotational rigidity evaluating device
EP2505980A2 (en) * 2011-03-19 2012-10-03 Volkswagen Aktiengesellschaft Method and device for determining a torque
CN206362511U (en) * 2016-11-30 2017-07-28 博世华域转向系统有限公司 A kind of torsion rigidity measurer of steering operating mechanism
CN108984831A (en) * 2018-06-07 2018-12-11 武汉理工大学 A kind of double lead-screw drive system transmission chain rigidity modeling method
CN112161818A (en) * 2020-09-28 2021-01-01 恒大新能源汽车投资控股集团有限公司 Rigidity testing method for steering mechanism of vehicle
CN112179593A (en) * 2020-08-28 2021-01-05 武汉华中数控股份有限公司 Servo system static rigidity test bench and test method
CN112798207A (en) * 2020-12-29 2021-05-14 湖北北辰汽车转向系统有限公司 Circulating ball type steering gear rigidity and free clearance comprehensive test bed and method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0196526A (en) * 1987-10-08 1989-04-14 Honda Motor Co Ltd Rotational rigidity evaluating device
EP2505980A2 (en) * 2011-03-19 2012-10-03 Volkswagen Aktiengesellschaft Method and device for determining a torque
CN206362511U (en) * 2016-11-30 2017-07-28 博世华域转向系统有限公司 A kind of torsion rigidity measurer of steering operating mechanism
CN108984831A (en) * 2018-06-07 2018-12-11 武汉理工大学 A kind of double lead-screw drive system transmission chain rigidity modeling method
CN112179593A (en) * 2020-08-28 2021-01-05 武汉华中数控股份有限公司 Servo system static rigidity test bench and test method
CN112161818A (en) * 2020-09-28 2021-01-01 恒大新能源汽车投资控股集团有限公司 Rigidity testing method for steering mechanism of vehicle
CN112798207A (en) * 2020-12-29 2021-05-14 湖北北辰汽车转向系统有限公司 Circulating ball type steering gear rigidity and free clearance comprehensive test bed and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
席文杰: "《最新数控机床加工工艺编程技术与维护维修使用手册》", 30 April 2004, 吉林电子出版社, pages: 275 - 276 *

Similar Documents

Publication Publication Date Title
JP5843706B2 (en) Calibration method for multi-component force detector in rolling resistance tester
CN106802241B (en) Gear transmission error test device and method
JP5225367B2 (en) Calibration method for multi-component force detector in rolling resistance tester
JP5225370B2 (en) Calibration method for multi-component force detector in rolling resistance tester
KR102641681B1 (en) Measuring system and method for determining force and/or torque applied to a torque transmission shaft
CN106840708A (en) Gear box casing deformation test method
US6273613B1 (en) Load measurement
BR112012012901B1 (en) METHOD FOR DETERMINING THE ABSOLUTE ANGULAR POSITION OF A STEERING WHEEL
US20220252478A1 (en) Method and drivetrain test bench for detecting an imbalance and/or a misalignment
CN105352643B (en) One kind transmission shaft torque scaling method
CN110304135B (en) Linear control steering system rack force estimation method based on extended disturbance observer
CN206593847U (en) Gear box casing deformation test system
US7124638B2 (en) Pressure sensor and method for detecting an effective pressure
CN115343073A (en) Steering intermediate shaft rigidity measuring device and method for dynamic model identification
CN114132323B (en) Tire corner analysis method based on gyroscope and steering wheel corner
CN115343071A (en) Steering column rigidity measuring device and method for dynamic model identification
US11112350B2 (en) Method for determining a strength of a bond and/or a material as well as a bond tester apparatus
CN105203310A (en) Shaft part load calibration method and system for aircraft engine
CN115343074A (en) Steering gear body assembly rigidity measuring device and method for dynamic model identification
CN115343072A (en) Steering system rigidity measuring device and testing method for dynamic model identification
US11060941B2 (en) Method for determining an unbalance of a shaft-elastic rotor with reference to the outward deflection
CN115343075A (en) Steering pull rod rigidity measuring device and testing method for dynamic model identification
CN115855477A (en) Device and method for testing robot joint performance
JP5294314B2 (en) Chassis dynamometer restraint device and vehicle stiffness characteristic identification method
CN215448270U (en) Sensor for measuring joint torque

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination