CN113158333A - Brake supporting structure and optimization design method thereof - Google Patents

Brake supporting structure and optimization design method thereof Download PDF

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CN113158333A
CN113158333A CN202110348882.0A CN202110348882A CN113158333A CN 113158333 A CN113158333 A CN 113158333A CN 202110348882 A CN202110348882 A CN 202110348882A CN 113158333 A CN113158333 A CN 113158333A
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edge
support structure
design
outline
angle
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任毅如
向剑辉
王志涛
宁克焱
金其多
胡铮
刘守河
杨玲玲
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Hunan University
China North Vehicle Research Institute
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Hunan University
China North Vehicle Research Institute
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract

The invention provides a supporting structure of a brake, which comprises an annular ring body and a plurality of supporting columns, wherein the supporting columns are arranged on one side of the ring body and are integrally formed with the ring body, the extending direction of the supporting columns is parallel to the axis direction of the ring body, the supporting columns are distributed along the axis of the ring body in an annular array mode, each supporting column comprises an inner surface close to one side of the axis and an outer surface opposite to the inner surface, a triangular hole is formed in the inner surface in a concave mode towards the outer surface by a first outline, a shallow groove is formed in the outer surface in a concave mode towards the inner surface by a second outline and is communicated with the triangular hole, the orthographic projection of the outer surface of the first outline is completely located in the range of the second outline, the right-angle edge of the first outline falls on the third edge of the second outline, and the bottom edge of the first outline falls on the fourth edge of the second outline. The invention also provides an optimal design method of the support structure. The support structure provided by the invention can improve heat dissipation and reduce weight; the provided optimization design method can obtain the optimal optimization design scheme.

Description

Brake supporting structure and optimization design method thereof
Technical Field
The invention relates to the technical field of brakes, in particular to a support structure of a brake and an optimization design method thereof.
Background
For heavy vehicles, higher mobility is required along with higher vehicle speed, and the inherent higher weight makes it very difficult and challenging to design the vehicle structure, particularly the vehicle braking system. The brake is one of the most critical core components in the braking system, and not only needs to bear huge load under the requirements of high vehicle speed and maneuverability, but also needs to keep stable mechanical performance and braking performance under the high-temperature environment caused by repeated braking. The support structure of the brake, which is one of the core components of the brake, plays a role of providing support and fixation for the whole brake, and influences the heat dissipation function of the brake in the working process to a certain extent. For heavy vehicles, the support structure must maintain sufficient strength stability in high temperature environments under high frequency repetitive braking conditions to ensure structural reliability at high temperatures.
The traditional structure design is a design method that designers purposefully change the relevant characteristics of the structure under the guidance of practical experience according to the design requirements, so that the structure meets the requirements. The method usually needs to pass through design correction and verification repeatedly for obtaining a final design result, and needs to consume a large amount of time and has high requirements on the level of designers.
Therefore, it is necessary to provide a brake support structure and an optimized design method thereof to solve the above problems.
Disclosure of Invention
The present invention has been made in view of the above problems, and provides a support structure for a brake, which can reduce the weight while ensuring the strength under high temperature conditions; meanwhile, an optimal design method is also provided, and an optimal design scheme can be obtained by adopting a proxy model method.
The invention provides a supporting structure of a brake, which comprises an annular ring body and a plurality of supporting columns, wherein the supporting columns are arranged on one side of the ring body and are integrally formed with the ring body, the extending direction of the supporting columns is parallel to the axial direction of the ring body, the supporting columns are distributed along the axial line of the ring body in an annular array manner, each supporting column comprises an inner surface close to one side of the axial line and an outer surface opposite to the inner surface, the inner surface is sunken towards the outer surface by a first outline to form a triangular hole, the outer surface is sunken towards the inner surface by a second outline to form a shallow groove, the shallow groove is communicated with the triangular hole, the first outline comprises a bottom edge, a right-angle edge and a bevel edge, the bottom edge is vertical to the right-angle edge, the second outline comprises a first edge, a second edge, a third edge, a fourth edge, a fifth edge and a sixth edge, the first edge is parallel to the fourth edge, the third edge is parallel to the fifth edge, the second edge and the sixth edge are symmetrically arranged at two ends of the first edge, the third edge is perpendicular to the fourth edge, the orthographic projection of the first contour to the outer surface is completely located in the range of the second contour, the right-angle edge is located on the third edge, and the bottom edge is located on the fourth edge.
Preferably, the size of the outer diameter s0 of the support structure is a, the size of the radial thickness s00 of the support column is b, and the value of b ranges from (0.04 to 0.08) a.
Preferably, the depth of the shallow groove is s11, and the range of s11 is (0.1-0.8) b.
Preferably, the number of the support columns is 10-20, the distance between every two adjacent support columns is s18, and the value range of s18 is (1-1.5) b.
Preferably, the bottom edge and the right-angle edge are transited by a round angle s 1; the bottom edge and the oblique edge are transited through a round angle s 2; the bevel edge and the right-angle edge are transited through a round angle s6, and the radius ranges of s1, s2 and s6 are (0.05-0.35) b; the distance between the intersection point of the right-angle side and the extension line of the oblique side and the bottom side is s3, and the value range of s3 is (1-3) b; the distance between the bottom edge and the plane of the bottom of the supporting column is s10, and the value range of s10 is (0.2-0.7) b; the included angle between the right-angle side and the extension line of the oblique side is s5, and the value range of s5 is 10-60 degrees.
Preferably, the distance between the first side and the fourth side is s4, and the value range of s4 is (2-4) b; the included angle between the extension lines of the sixth side and the fifth side is s8, and the value range of s8 is 5-25 degrees; the distance between the intersection point of the extension lines of the fifth side and the sixth side and the fourth side is s9, and the value range of s9 is (1-3) b; the distance between the third side and the fifth side is s14, and the value range of s14 is (1-1.8) b; the first edge and the second edge are transited through a round angle s7, and the radius of s7 is in the range of (0.3-0.7) b.
Preferably, the groove wall and the groove bottom of the shallow groove are transited through a fillet s13, and the radius of s13 ranges from (0.05-0.35) b; the hole wall of the triangular hole and the groove bottom of the shallow groove are transited through a fillet s12, and the radius of s12 ranges from (0.05-0.35) b.
Preferably, the ring body comprises an integrally formed upper edge and a lower edge, the lower edge is bent and extended outwards from the bottom of the upper edge, the supporting column is located below the lower edge, the outer surface of the upper edge and the outer surface of the lower edge are transited through a rounded corner s15, and the radius of s15 ranges from (0.05-0.35) b; the inner surface of the upper edge and the inner surface of the lower edge are transited through a fillet s16, the outer surface of the lower edge and the supporting column are transited through a fillet s17, and the radius ranges of s16 and s17 are (0.3-0.7) b.
The invention also provides an optimal design method of the support structure, which comprises the following steps:
selecting s8, s9 and s11 as design variables and the rest of the design parameters as constants from s1, s2, s4, s5, s6, s7, s8, s9, s3, s10, s11, s12, s13, s14, s15, s16, s17 and s18 eighteen design parameters, setting the outer diameter of the support structure as a specific numerical value, and determining the value range of the design variables and the value of the constants;
randomly acquiring sample data from the value range of the design variable, generating a design variable combination as a new design parameter, generating a support structure model, and simulating the support structure model to acquire a target result value of simulation calculation;
and aiming at different optimization design problems, selecting different target result values as output quantities, establishing a proxy model, and solving the proxy model to obtain the optimal design result of the support structure.
Compared with the related art, the invention has the advantages that:
(1) the support structure of the brake provided by the invention fully exerts the potential of material distribution through reasonable arrangement of the triangular holes and the shallow grooves, keeps the deformation performance even better than that of the traditional design, and realizes other optimization purposes including light weight design, heat dissipation performance improvement and the like;
(2) the brake support structure provided by the invention can adjust the characteristic parameters according to the actual situation to realize the relation between the deformation performance and the weight loss, and generate support structure models with different weights and the maximum deformation according to different requirements;
(3) the optimization design method provided by the invention can solve the optimization design problem of a complex structure under multiple design parameters, and has higher calculation efficiency under the condition of meeting a certain precision requirement.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic perspective view of a support structure of a brake according to the present invention;
FIG. 2 is a depiction of a first profile and a second profile;
FIG. 3 is a plot of design parameters in the first and second profiles;
FIG. 4 is a transverse cross-sectional view of the support post;
fig. 5 is a longitudinal cross-sectional view of the support structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a brake supporting structure 100, which includes an annular ring body 10 and a plurality of supporting pillars 20 disposed at one side of the ring body 10 and integrally formed with the ring body 10. The extending direction of the supporting columns 20 is parallel to the axial direction of the ring body 10, and the plurality of supporting columns 20 are distributed in an annular array along the axial direction of the ring body 10.
The support column 20 comprises an inner surface 21 close to one side of the axis and an outer surface 22 opposite to the inner surface 21, the inner surface 21 is recessed towards the outer surface 22 by a first contour to form a triangular hole 23, the outer surface 22 is recessed towards the inner surface 21 by a second contour to form a shallow groove 24, and the shallow groove 24 is communicated with the triangular hole 23.
The first profile includes a base edge A1, a square edge A2, and a hypotenuse A3, the base edge and the square edge being perpendicular. The second contour comprises a first side B1, a second side B2, a third side B3, a fourth side B4, a fifth side B5 and a sixth side B6, the first side B1 is parallel to the fourth side B4, the third side B3 is parallel to the fifth side B5, the second side B2 and the sixth side B6 are symmetrically arranged at two ends of the first side B1, the third side B3 is perpendicular to the fourth side B4, a forward projection of the first contour to the outer surface 22 is completely positioned in the range of the second contour, the right-angle side A2 falls on the third side B3, and the bottom side A1 falls on the fourth side B4.
The support structure of the brake, which is one of the core components of the brake, plays a role of providing support and fixation for the whole brake, and can influence the heat dissipation effect of the brake in the working process. For heavy vehicles, the support structure must maintain sufficient strength stability in high temperature environments under high frequency repetitive braking conditions to ensure structural reliability at high temperatures. Therefore, the triangular hollow holes 23 and the shallow grooves 24 increase the contact area between the support structure and the outside, so that the heat dissipation can be accelerated, and the excessive accumulation of heat on the support columns 20 can be avoided; meanwhile, the overall weight of the supporting structure 100 can be reduced, and the increasingly urgent light-weight requirements of the new era are met under the condition of ensuring performance and even optimizing the performance. In addition, the triangular holes 23 are arranged, so that the material distribution on the supporting column 20 tends to the side of the supporting column 20 extruded by the static friction plate, and the single-side braking condition can be better adapted.
The size of the outer diameter s0 of the support structure 100 is a, the size of the radial thickness s00 of the support column 20 is b, and the value range of b is (0.04-0.08) a; the depth of the shallow groove 24 is s11, and the value range of s11 is (0.1-0.8) b. The number of the support columns 20 is 10-20, the distance between every two adjacent support columns 20 is s18, and the value range of s18 is (1-1.5) b.
The bottom edge A1 and the right-angle edge A2 are transited by a round angle s 1; the bottom edge A1 and the oblique edge A3 are transited by a round angle s 2; the bevel edge A3 and the right-angle edge A2 are in transition through a round angle s6, and the radius ranges of s1, s2 and s6 are (0.05-0.35) b; the distance between the intersection point of the right-angle side A2 and the extension line of the oblique side A3 and the bottom side A1 is s3, and the value range of s3 is (1-3) b; the distance between the bottom edge A1 and the bottom plane of the support column 20 is s10, and the value range of s10 is (0.2-0.7) b; the included angle between the right-angle side A2 and the extension line of the oblique side A3 is s5, and the value range of s5 is 10-60 degrees.
The distance between the first side B1 and the fourth side B4 is s4, and the value range of s4 is (2-4) B; the included angle between the extension lines of the sixth side B6 and the fifth side B5 is s8, and the value range of s8 is 5-25 degrees; the distance between the intersection point of the extension lines of the fifth side B5 and the sixth side B6 and the fourth side B4 is s9, and the value range of s9 is (1-3) B; the distance between the third side B3 and the fifth side B5 is s14, and the value range of s14 is (1-1.8) B; the first side B1 and the second side B2 are transited through a fillet s7, the value range of the fillet s7 is (0.3-0.7) B, and the arrangement of the fillets can avoid stress concentration and improve structural strength.
The groove wall and the groove bottom of the shallow groove 24 are transited through a round angle s13, and the radius of s13 ranges from (0.05-0.35) b; the hole wall of the triangular hole 23 and the groove bottom of the shallow groove 24 are transited through a round angle s12, and the radius of s12 ranges from (0.05-0.35) b.
Further, the ring body 10 includes an upper edge 11 and a lower edge 12 which are integrally formed, the lower edge 12 is bent and extended outwards from the bottom of the upper edge 11, and the supporting column 20 is located below the lower edge 12. The outer surface of the upper edge 11 and the outer surface of the lower edge 12 are transited by a round angle s15, and the radius of s15 is (0.05-0.35) b; the inner surface of the upper edge 11 and the inner surface of the lower edge 12 are transited by a fillet s16, the outer surface of the lower edge 12 and the supporting column 20 are transited by a fillet s17, and the radius of s16 and s17 ranges from (0.3-0.7) b.
In this embodiment, the "inner surface" refers to a side surface of the corresponding structure closer to the axis, and the "outer surface" refers to a side surface of the corresponding structure farther from the axis.
The invention also provides an optimal design method of the support structure, which comprises the following steps:
s1: in eighteen design parameters s1, s2, s4, s5, s6, s7, s8, s9, s3, s10, s11, s12, s13, s14, s15, s16, s17 and s18, s8, s9 and s11 are selected as design variables, the rest of the design parameters are used as constants, the outer diameter of the supporting structure is set to be a specific numerical value, and the value range of the design variables and the value of the constants are determined.
According to the characteristics of the support structure, a designed feature structure area is selected, design variables are extracted according to relevant parameters of the feature structure, too many design variables cannot highlight the key points of optimization design and are not beneficial to solving calculation, s8 and s9 have the greatest influence on the second contour, s11 defines the depth of the shallow groove 24, namely s8, s9 and s11 have the greatest influence on the shape of the shallow groove 24, and meanwhile, the shape characteristics of the shallow groove 24 can limit the shape of the triangular hole 23, so that s8, s9 and s11 are selected as design variables, and the influence of the shape change of the shallow groove 24 and the triangular hole 23 on the performance of the support structure can be explored to the greatest extent.
And further, according to the characteristics of the supporting structure, an unreasonable structure caused by combination of different design variables is avoided, so that the value range of the design variables is determined.
S2: and randomly acquiring sample data from the value range of the design variable, generating a design variable combination as a new design parameter, generating a support structure model, simulating the support structure model, and acquiring a target result value of the simulation calculation.
Wherein the target outcome value may be compliance, thermal conductivity, volume, thermal compliance, etc. The target result value may be a single target value or may be multiple target values, including but not limited to a combination within a weighted sum.
S3: and aiming at different optimization design problems, selecting different target result values as output quantities, establishing a proxy model, and solving the proxy model to obtain the optimal design result of the support structure.
The proxy model method is an approximate optimization design method for fitting a structural characteristic rule by adopting a mathematical means, and is mainly characterized in that a proper approximate means is selected, so that the fitting precision of the proxy model is determined. The polynomial response surface model has the advantages of small calculated amount, high prediction precision and the like in the optimization design, the calculated amount and the fitting precision are considered comprehensively, the structural optimization design of the supporting structure based on the proxy model adopts the polynomial response surface model, and the general expression of the polynomial response surface model is as follows:
Figure BDA0003001760460000071
in the formula, xiIs the i-th component, β, of the m-dimensional argument X0，βiAnd betaijAre parameters to be determined. By selecting a suitable function instead of the argument x in the above equationiA generalized polynomial response surface model can be constructed, the description capability of the polynomial on the nonlinear problem can be compensated, and the expression is as follows:
Figure BDA0003001760460000072
in the formula, yi(X) denotes the ith function with respect to the argument X.
Specifically, the output quantity of the objective function under different design variables is obtained through computer simulation and substituted into the polynomial response surface model to obtain an equation set, so that the undetermined parameter beta can be solved0,βi,βijThe value of (c).
Further, the obtained undetermined parameter beta0,βi,βijSubstituting the expression of the polynomial response surface model to obtain the proxy model with the optimized structure.
And comparing the objective function value output under other design variables with the objective function calculated by the obtained proxy model, verifying the precision of the proxy model, and if the objective function value does not meet the precision requirement, reconstructing a proxy model of the same order or a higher order until the proxy model meets the precision requirement of the optimized design. And solving the optimal solution of the proxy model meeting the precision requirement by adopting a mathematical method, namely the optimal result of the optimal design.
In practical engineering application, for a support structure of a brake, as the support structure needs to bear a large load effect and needs to consider the heat dissipation condition of the brake, the space left for structural optimization design is small, a mathematical model is often difficult to establish and solve for the optimized shape and size, an optimal design scheme cannot be obtained through an empirical repeated design method, and the optimal design method based on the proxy model has more practical value. The method comprises the steps of obtaining a target value required by design through simulation calculation or experimental test on a supporting structure under different values of a plurality of groups of design parameters, and fitting the relation between the target value and the value of the design parameters through a function curve to obtain a proxy model of the supporting structure relative to a specific target. By the agent model meeting the precision requirement, the design parameters corresponding to the optimal values of the model can be solved, and the optimal design scheme can be obtained.
The structure optimization design is different from the traditional structure design, mathematical modeling needs to be carried out on an optimized object and optimization requirements, and the optimal design result of the optimized object under the optimization condition is obtained through a mathematical solving method. The method relies on mathematical tools, finite element theory and an electronic computer, and can carry out accurate and efficient optimization design on the structure.
Implement one
In the present embodiment, s8, s9, and s11 are selected as design variables, and the remaining design parameters are constants to set the outer diameter of the support structure to a specific value. The following table shows the sample data obtained by simulation for the supporting structure proxy model:
table 1 brake support structure proxy model optimization sample data
Figure BDA0003001760460000081
Figure BDA0003001760460000091
The structural optimization design of the supporting structure based on the proxy model adopts a polynomial response surface model, and the general expression of the polynomial response surface model is as follows:
Figure BDA0003001760460000092
in the formula, xiIs the i-th component, β, of an m-dimensional argument0，βiAnd betaijAnd epsilon is the error of the parameter to be determined.
The optimal design with the minimum deformation of the supporting structure as the target adopts a first-order polynomial response surface model, and the expression of the first-order polynomial response surface model is as follows:
Figure BDA0003001760460000093
the design variables may be expressed as:
X＝[x1,x2,x3]T＝[s11,s8,s9]T
substituting the sample data in table 1 into the proxy model,
f(x)＝β0+β1x1+β2x2+β3x3
＝β0+β1s11+β2s8+β3s9
further, the undetermined parameter β can be solved0、β1、β2And beta3To obtain the following solution:
[β0，β1，β2]＝[1.1701,0.0122,-0.0006]
and further substituting the known undetermined parameters into the first-order polynomial response surface model to obtain the optimally designed proxy model of the brake support structure.
After obtaining a proxy model of the support structure satisfying the accuracy requirement, the mathematical model can be expressed as:
Figure BDA0003001760460000094
and further solving the optimization model by using a mathematical programming method to obtain an optimal design scheme of the brake support structure meeting the design requirements.
It can be seen from table 1 that when s8 is 15mm, s9 is 70mm, and s11 is 17mm, the maximum deformation of the brake support structure is 1.3823mm, which reduces the maximum deformation by 0.04% and the structure weight by 15.1% compared with the support structure of the conventional structure. Therefore, the weight of the supporting structure can be effectively reduced while the stability of the structural strength is ensured.
The invention has the advantages that:
(1) the support structure of the brake provided by the invention fully exerts the potential of material distribution through reasonable arrangement of the triangular holes and the shallow grooves, keeps the deformation performance even better than that of the traditional design, and realizes other optimization purposes including light weight design, heat dissipation performance improvement and the like;
(2) the brake support structure provided by the invention can adjust the characteristic parameters according to the actual situation to realize the relation between the deformation performance and the weight loss, and generate support structure models with different weights and the maximum deformation according to different requirements;
(3) the optimization design method provided by the invention can solve the optimization design problem of a complex structure under multiple design parameters, and has higher calculation efficiency under the condition of meeting a certain precision requirement.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.

Claims (9)

1. The supporting structure of the brake is characterized by comprising an annular ring body and a plurality of supporting columns which are arranged on one side of the ring body and integrally formed with the ring body, wherein the extending directions of the supporting columns are parallel to the axis direction of the ring body, the supporting columns are distributed in an annular array along the axis of the ring body, each supporting column comprises an inner surface close to one side of the axis and an outer surface opposite to the inner surface, a triangular hole is formed in the inner surface in a concave mode in the outer surface direction in a first outline, a shallow groove is formed in the outer surface in a concave mode in the inner surface direction in a second outline, the shallow groove is communicated with the triangular hole, the first outline comprises a bottom edge, a right-angle edge and a bevel edge, the bottom edge is vertical to the right-angle edge, and the second outline comprises a first edge, a second edge, a third edge, a fourth edge, a fifth edge and a sixth edge, the first edge is parallel to the fourth edge, the third edge is parallel to the fifth edge, the second edge and the sixth edge are symmetrically arranged at two ends of the first edge, the third edge is perpendicular to the fourth edge, the orthographic projection of the first contour to the outer surface is completely located in the range of the second contour, the right-angle edge is located on the third edge, and the bottom edge is located on the fourth edge.
2. The support structure of claim 1, wherein the support structure outer diameter s0 has a dimension a, the support column thickness s00 in the radial direction has a dimension b, and b has a value in the range of (0.04-0.08) a.
3. The support structure of claim 2, wherein the shallow grooves have a depth s11, s11 being in the range of (0.1-0.8) b.
4. The support structure of claim 3, wherein the number of the support columns is 10-20, the distance between two adjacent support columns is s18, and the value range of s18 is (1-1.5) b.
5. The support structure of claim 4, wherein the bottom edge and the right-angled edge transition therebetween by a rounded corner s 1; the bottom edge and the oblique edge are transited through a round angle s 2; the bevel edge and the right-angle edge are transited through a round angle s6, and the radius ranges of s1, s2 and s6 are (0.05-0.35) b; the distance between the intersection point of the right-angle side and the extension line of the oblique side and the bottom side is s3, and the value range of s3 is (1-3) b; the distance between the bottom edge and the plane of the bottom of the supporting column is s10, and the value range of s10 is (0.2-0.7) b; the included angle between the right-angle side and the extension line of the oblique side is s5, and the value range of s5 is 10-60 degrees.
6. The support structure of claim 5, wherein the first and fourth sides are spaced apart by a distance s4, s4 being in the range of (2-4) b; the included angle between the extension lines of the sixth side and the fifth side is s8, and the value range of s8 is 5-25 degrees; the distance between the intersection point of the extension lines of the fifth side and the sixth side and the fourth side is s9, and the value range of s9 is (1-3) b; the distance between the third side and the fifth side is s14, and the value range of s14 is (1-1.8) b; the first edge and the second edge are transited through a round angle s7, and the radius of s7 is in the range of (0.3-0.7) b.
7. The support structure of claim 6, wherein the transition between the groove wall and the groove bottom of the shallow groove is formed by a rounded corner s13, and the radius of s13 is in the range of (0.05-0.35) b; the hole wall of the triangular hole and the groove bottom of the shallow groove are transited through a fillet s12, and the radius of s12 ranges from (0.05-0.35) b.
8. The support structure of claim 7, wherein the collar body comprises an integrally formed upper rim and a lower rim, the lower rim is curved outwardly from a bottom of the upper rim, the support column is located below the lower rim, an outer surface of the upper rim and an outer surface of the lower rim are transited by a rounded corner s15, and a radius of s15 is (0.05-0.35) b; the inner surface of the upper edge and the inner surface of the lower edge are transited through a fillet s16, the outer surface of the lower edge and the supporting column are transited through a fillet s17, and the radius ranges of s16 and s17 are (0.3-0.7) b.
9. A method for optimizing the design of a support structure according to claim 8, comprising the steps of:
selecting s8, s9 and s11 as design variables and the rest of the design parameters as constants from s1, s2, s4, s5, s6, s7, s8, s9, s3, s10, s11, s12, s13, s14, s15, s16, s17 and s18 eighteen design parameters, setting the outer diameter of the support structure as a specific numerical value, and determining the value range of the design variables and the value of the constants;
randomly acquiring sample data from the value range of the design variable, generating a design variable combination as a new design parameter, generating a support structure model, and simulating the support structure model to acquire a target result value of simulation calculation;
and aiming at different optimization design problems, selecting different target result values as output quantities, establishing a proxy model, and solving the proxy model to obtain the optimal design result of the support structure.
CN202110348882.0A 2021-03-31 2021-03-31 Brake supporting structure and optimization design method thereof Pending CN113158333A (en)

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Citations (2)

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Publication number Priority date Publication date Assignee Title
US20140209419A1 (en) * 2011-09-28 2014-07-31 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Disc Brake and Brake Pad for a Disc Brake
CN112307563A (en) * 2020-10-30 2021-02-02 湖南大学 Optimal design method of brake support structure

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Publication number Priority date Publication date Assignee Title
US20140209419A1 (en) * 2011-09-28 2014-07-31 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Disc Brake and Brake Pad for a Disc Brake
CN112307563A (en) * 2020-10-30 2021-02-02 湖南大学 Optimal design method of brake support structure

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吕辉: "《不确定汽车盘式制动器***的稳定性分析与优化》", 《中国优秀博硕士学位论文全文数据库(博士)工程科技Ⅱ辑》 *

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