CN115791217A - Automobile electronic control suspension simulation system and method - Google Patents
Automobile electronic control suspension simulation system and method Download PDFInfo
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- CN115791217A CN115791217A CN202310041543.7A CN202310041543A CN115791217A CN 115791217 A CN115791217 A CN 115791217A CN 202310041543 A CN202310041543 A CN 202310041543A CN 115791217 A CN115791217 A CN 115791217A
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- 239000000725 suspension Substances 0.000 title claims abstract description 117
- 238000004088 simulation Methods 0.000 title claims abstract description 44
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- 239000006096 absorbing agent Substances 0.000 claims abstract description 26
- 230000035939 shock Effects 0.000 claims abstract description 26
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Abstract
The invention relates to the technical field of automobile electric control suspension simulation, in particular to an automobile electric control suspension simulation system and method, wherein the simulation system comprises a control console and a test bed, and the test bed comprises a frame; the electric control suspension simulation system also comprises a front suspension, a rear suspension, a load mechanism, a servo electric cylinder, a load compressor and an air bag compressor; the number of the front suspension and the rear suspension is two and both comprise an air spring and a shock absorber; compared with the prior art, the invention (1) can simulate the mass transfer of the automobile during braking and turning by utilizing the automobile electric control suspension simulation system; (2) The height of the vehicle body can be adjusted by simulating the air springs, and the air pressure in the air bag of each air spring can be independently adjusted; (3) The heights of the bottom ends of the front suspension and the rear suspension are adjusted through the servo electric cylinder, so that different vehicle types can be simulated; (4) The adjustment of the damping force of the shock absorber is matched with the control of the air bag position of the air spring, so that the simulation of different modes of the vehicle is realized.
Description
Technical Field
The invention relates to the technical field of automobile electric control suspension simulation, in particular to an automobile electric control suspension simulation system and method.
Background
The suspension is a force transmission component assembly connecting a vehicle body and a vehicle axle, and mainly has the function of transmitting forces in the transverse direction, the longitudinal direction and the vertical direction from a road surface and moments to the vehicle body so that the vehicle can normally work; the main components of the suspension comprise an elastic element, a shock absorber and a guide mechanism, wherein the elastic element is responsible for buffering impact caused by dynamic load when a vehicle vibrates, the shock absorber is responsible for absorbing vibration energy so as to attenuate vibration amplitude, and the guide mechanism is mainly used for transmitting transverse and longitudinal force and moment transmitted to a vehicle body from a road surface so as to ensure that the elastic element can only move in the vertical direction. It follows that suspension systems play an important role in vehicle comfort, safety and handling stability.
With the development of industry, people have higher and higher requirements on the smoothness and the steering stability of automobiles. Compared with the traditional suspension, the automobile electric control suspension system can realize the active control of the height of the automobile body and the adjustment of the rigidity and the damping of the suspension. With the increasing maturity of the research on air springs and adjustable damping shock absorbers, the design of a control system capable of adapting to various working conditions becomes the key for improving the self-adaptive capacity of the electric control suspension.
Disclosure of Invention
In order to help solve the above problems, the present application provides an electronic control suspension simulation system and method for an automobile.
An automobile electric control suspension simulation system comprises a control console and a test bed, wherein the test bed comprises a frame; the method is characterized in that: the electric control suspension simulation system also comprises a front suspension, a rear suspension, a load mechanism, a servo electric cylinder, a load compressor and an air bag compressor; the number of the front suspension and the number of the rear suspension are two, and the front suspension and the rear suspension both comprise air springs and shock absorbers; the loading mechanism comprises four loading cylinders which are respectively vertically arranged at four corners of the upper part of the frame, and piston rods of the four loading cylinders are downward; the two front suspensions are positioned below the two load cylinders at the front part of the frame; the two rear suspensions are positioned below the two load cylinders at the rear part of the frame; the load mechanism is capable of applying pressure to the front suspension and the rear suspension; the four load cylinders are respectively in communication connection with a console;
the servo electric cylinders comprise four cylinder bodies, servo motors and telescopic rods; the four servo electric cylinders are respectively vertically arranged below the two front suspensions and the two rear suspensions, and the upper ends of telescopic rods of the servo electric cylinders are detachably connected with the lower ends of the front suspensions or the lower ends of the rear suspensions; the four servo electric cylinders are respectively in communication connection with a console; the load compressor provides an air source for four load cylinders; the air bag compressor provides an air source for an air bag of the air spring.
Preferably, a first gas distribution valve is arranged between the load compressor and the four load cylinders, and the gas pressure in the cylinder barrels of the four load cylinders can be respectively adjusted through the first gas distribution valve; and a second gas distribution valve is arranged between the air bag compressor and the air bags of the four air springs, and the air pressure in the air bags of the four air springs can be respectively adjusted through the second gas distribution valve.
Preferably, the first gas distribution valve comprises a first gas storage cylinder and four first branch pipes; the first air storage cylinder comprises an air inlet end and four air outlet ends, the air inlet end of the first air storage cylinder is communicated with the air outlet of the load compressor, and the four branch pipes are respectively arranged at the four air outlet ends of the first air storage cylinder; one end of the branch pipe I, which is far away from the air storage cylinder, is communicated with a cylinder barrel of the load cylinder; one end of the first branch pipe, which is close to the air storage cylinder, is provided with a first air pressure adjusting solenoid valve, and the end of the first branch pipe, which is close to the cylinder barrel of the load cylinder, is provided with a first air pressure sensor;
the gas distribution valve II comprises a gas storage cylinder II and four branch pipes II; the air storage cylinder II comprises an air inlet end and four air outlet ends, the air inlet end of the air storage cylinder II is communicated with an air outlet of the air bag compressor, and the four branch pipes II are respectively arranged at the four air outlet ends of the air storage cylinder II; two ends of the branch pipe II, which are far away from the air storage cylinder, are communicated with an air bag of the air spring; an air pressure adjusting solenoid valve II is installed at the two ends, close to the air storage cylinder, of the branch pipe II, and an air pressure sensor II is installed at the end, close to the air bag of the air spring, of the branch pipe II; the first air pressure regulating electromagnetic valve, the second air pressure regulating electromagnetic valve, the first air pressure sensor and the second air pressure sensor are respectively in communication connection with the console.
Preferably, the front suspension is an integrated structure of a front air spring and a front shock absorber; the rear suspension is of a split structure and comprises a rear air spring and a rear shock absorber which are mutually independent; the lower ends of the rear air spring and the rear shock absorber are flush and fixedly connected with a supporting plate, and a telescopic rod of the servo electric cylinder is detachably connected with the supporting plate.
Preferably, the device further comprises a guide mechanism, wherein the guide mechanism comprises a front guide mechanism and a rear guide mechanism; the rear guide mechanism comprises a fixed plate horizontally arranged at the upper end of the cylinder body and a rear guide rod fixedly connected to the fixed plate, one end, far away from the fixed plate, of the rear guide rod is fixedly connected with the top of the frame, and a first abdicating hole for the telescopic rod of the cylinder body to penetrate out is formed in the fixed plate;
the rear guide rod is connected with a positioning plate in a sliding mode, and the positioning plate is detachably connected with the upper end of the rear suspension.
Preferably, the lower end of the piston rod of the load cylinder is provided with a pressing block; the front guide mechanism comprises a front guide rod, the upper end of the front guide rod is fixedly connected with the top of the frame, and the lower end of the front guide rod is fixedly connected with the bottom of the frame; a connecting seat is arranged above the front suspension and is connected with the front guide rod in a sliding manner; and pressure sensors in communication connection with the control console are arranged on the connecting seat and the positioning plate, and the pressing block corresponds to the pressure sensors.
Preferably, the connecting base is provided with an acceleration sensor in communication connection with the control console, and the positioning plate is provided with a height sensor in communication connection with the control console.
Preferably, the console comprises a table body and a display screen, a processor is arranged in the table body, and the display screen is in communication connection with the processor.
Preferably, still include the switch board, the switch board includes the cabinet body, cabinet door, first switch button and first power indicator.
The automobile electric control suspension simulation method comprises the steps of simulating the mass transfer of an automobile during braking and turning by using the automobile electric control suspension simulation system; simulating the adjustment of the height of the vehicle body by using an air spring; when the mass transfer of the automobile is simulated during braking and turning, different load cylinders apply different pressures to the corresponding front suspension or rear suspension; when the height of the vehicle body is adjusted by using the air springs in a simulation mode, if the position of an air bag of one air spring is lower than a set value, a corresponding air pressure adjusting electromagnetic valve II is opened, the air bag of the air spring is inflated, and after the set value is reached, the air pressure adjusting electromagnetic valve II is closed; if the position of the air bag of one air spring is higher than the set value, the corresponding air pressure regulating electromagnetic valve II is opened to exhaust, and after the set value is reached, the air pressure regulating electromagnetic valve II is closed.
Compared with the prior art, the invention has the following beneficial technical effects:
(1) The automobile electronic control suspension simulation system can simulate the mass transfer of the automobile during braking and turning; when the mass transfer of the automobile is simulated during braking and turning, different load cylinders apply different pressures to the corresponding front suspension or rear suspension;
(2) The automobile electronic control suspension simulation system can simulate the adjustment of the height of an automobile body by using the air springs and can independently adjust the air pressure in the air bag of each air spring; when the height of the vehicle body is adjusted by using the air springs in a simulation mode, if the position of an air bag of one air spring is lower than a set value, a corresponding air pressure adjusting electromagnetic valve II is opened, the air bag of the air spring is inflated, and after the set value is reached, the air pressure adjusting electromagnetic valve II is closed; if the position of an air bag of one air spring is higher than a set value, opening a corresponding air pressure regulating electromagnetic valve II for exhausting, and closing the air pressure regulating electromagnetic valve II after the set value is reached;
(3) The heights of the bottom ends of the front suspension and the rear suspension can be adjusted through the servo electric cylinder, so that different vehicle types can be simulated;
(4) The adjustment of the damping force of the shock absorber is matched with the control of the air bag position of the air spring, so that the simulation of different modes of the vehicle is realized; the processor of the console (equivalent to a running computer ECU) calculates the simulated running state of the vehicle (such as acceleration or deceleration, high speed or low speed, turning, neutral and the like) according to the state signals provided by various sensors so as to determine the damping force of the shock absorber, and the damping force is adjusted by an actuator.
Drawings
FIG. 1 is a schematic structural diagram of an electronically controlled suspension simulation system for a vehicle according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a test stand shown in one embodiment of the present application;
FIG. 3 is an enlarged view of a rear guide mechanism and a support plate in the automotive electronic control suspension simulation system;
FIG. 4 is a schematic diagram of the cooperation of a rear guide mechanism and an electric cylinder in an automobile electric control suspension simulation system;
FIG. 5 is a schematic diagram of the air pressure in the cylinder of the air cylinder for regulating the load by using a first air distribution valve in the automobile electric control suspension simulation system;
FIG. 6 is a schematic diagram of regulating air pressure in an air spring air bag by using a second air distribution valve in an automobile electric control suspension simulation system;
FIG. 7 is a schematic diagram of a front suspension and an electric cylinder in an electric control suspension simulation system of an automobile;
fig. 8 is a schematic diagram of a split type structure of a rear suspension in an automobile electric control suspension simulation system.
Description of reference numerals: 1, a power distribution cabinet; 11-a cabinet body; 12-cabinet door; 13 — first power switch button; 14-a first power indicator light;
2-a console; 21-a table body; 22-a display screen;
3-test bed; 31-a frame; 32-servo electric cylinder; 321-a servo motor; 322-cylinder body; 323-a support plate; 33-a guide mechanism; 331-a fixing plate; 332 — rear guide bar; 333-first abdicating hole; 334-positioning plate; 34-a load mechanism; 341-load cylinder; 342-briquetting; 35-a pressure sensor; 36-a connecting seat;
4-front suspension; 5-rear suspension, 51-rear air spring, 52-rear shock absorber.
Detailed Description
The present application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses automatically controlled suspension analog system of car, as shown in fig. 1, including control cabinet 2 and test bench 3, test bench 3 includes frame 31. The electronic control suspension simulation system further comprises a front suspension 4, a rear suspension 5, a load mechanism 34, a servo electric cylinder 32, a load compressor and an air bag compressor.
The number of the front suspensions 4 and the rear suspensions 5 is two and both include air springs and shock absorbers.
The loading mechanism 34 includes four loading cylinders 341 as shown in fig. 2, 7 and 8, and the four loading cylinders 341 are vertically installed at four corners of the upper portion of the frame 31 with the piston rods downward, respectively. The two front suspensions 4 are located below the two load cylinders 341 in the front of the frame 31. The two rear suspensions 5 are under the two load cylinders 341 at the rear of the frame 31. The load mechanism 34 is capable of applying pressure to the front suspension 4 and the rear suspension 5. The four load cylinders 341 are respectively connected to the console 2 in communication.
As shown in fig. 2, the servo electric cylinder 32 includes a cylinder body 322, a servo motor 321, and an expansion rod, and the number of the servo electric cylinders 32 is four. Four servo electric cylinder 32 are respectively vertically installed below two front suspensions 4 and two rear suspensions 5, and the telescopic link upper end of servo electric cylinder 32 can be dismantled with 4 lower extremes of front suspension or 5 lower extremes of rear suspension and be connected. The four servo electric cylinders 32 are respectively connected to the console 2 in communication.
As shown in fig. 5 and 6, the load compressor supplies four load cylinders 341 with air. The air bag compressor provides an air source for an air bag of the air spring.
As shown in fig. 5, a gas distribution valve one 6 is installed between the load compressor and the four load cylinders 341, and the gas pressures in the cylinder bores of the four load cylinders 341 can be respectively adjusted by the gas distribution valve one 6.
As shown in fig. 6, a second gas distribution valve 7 is installed between the air bag compressor and the air bags of the four air springs, and the air pressure in the air bags of the four air springs can be respectively adjusted through the second gas distribution valve 7.
As shown in FIG. 5, the gas distribution valve one 6 includes a gas cylinder one 61 and four branch pipes one 62. The first air storage cylinder 61 comprises an air inlet end and four air outlet ends, the air inlet end of the first air storage cylinder 61 is communicated with an air outlet of the load compressor, and the four branch pipes 62 are respectively installed at the four air outlet ends of the first air storage cylinder 61. The end of the branch pipe one 62 far away from the air storage cylinder one 61 is communicated with the cylinder barrel of the load cylinder 341. The first branch pipe 62 is provided with a first air pressure regulating solenoid valve 63 close to the first air storage cylinder 61, and the first branch pipe 62 is provided with a first air pressure sensor close to the cylinder end of the load air cylinder 341.
As shown in FIG. 6, the second gas distribution valve 7 includes a second gas cylinder 71 and four second branch pipes 72. The air storage cylinder II 71 comprises an air inlet end and four air outlet ends, the air inlet end of the air storage cylinder II 71 is communicated with an air outlet of the air bag compressor, and the four branch pipes II 72 are respectively arranged at the four air outlet ends of the air storage cylinder II 71. The end of the second branch pipe 72, which is far away from the second air storage cylinder 71, is communicated with the air bag of the air spring. And the second branch pipe 72 is provided with a second air pressure regulating electromagnetic valve 73 at the end close to the second air storage cylinder 71, and the second branch pipe 72 is provided with a second air pressure sensor at the end close to the air bag of the air spring.
As shown in fig. 5 and 6, the first air pressure regulating solenoid valve 63, the second air pressure regulating solenoid valve 73, the first air pressure sensor and the second air pressure sensor are respectively in communication connection with the console 2.
As shown in fig. 8, the front suspension 4 is a front air spring and front shock absorber integrated structure. The rear suspension 5 is a split structure including a rear air spring 51 and a rear shock absorber 52 which are independent of each other. The lower ends of the rear air spring 51 and the rear shock absorber 52 are flush and fixedly connected with a supporting plate 323, and an expansion rod of the servo electric cylinder 32 is detachably connected with the supporting plate 323.
As shown in fig. 3 and 4, a guide mechanism 33 is further included, and the guide mechanism 33 includes a front guide mechanism and a rear guide mechanism. The rear guide mechanism comprises a fixing plate 331 horizontally mounted at the upper end of the cylinder body 322 and a rear guide rod 332 fixedly connected to the fixing plate 331, one end of the rear guide rod 332 far away from the fixing plate 331 is fixedly connected to the top of the frame 31, and a first abdicating hole 333 for the telescopic rod of the cylinder body 322 to penetrate out is formed in the fixing plate 331. The rear guide rod 332 is slidably connected with a positioning plate 334, and the positioning plate 334 is detachably connected with the upper end of the rear suspension 5.
As shown in fig. 4, a pressing piece 342 is mounted to the lower end of the piston rod of the load cylinder 341.
The front guide mechanism comprises a front guide rod, the upper end of the front guide rod is fixedly connected with the top of the frame 31, and the lower end of the front guide rod is fixedly connected with the bottom of the frame 31.
A connecting seat 36 is arranged above the front suspension 4, and the connecting seat 36 is connected with the front guide rod in a sliding manner.
The connecting seat 36 and the positioning plate 334 are both provided with a pressure sensor 35 which is in communication connection with the console 2, and the pressing block 342 corresponds to the pressure sensor 35.
An acceleration sensor in communication connection with the console 2 is installed on the connecting seat 36, and a height sensor in communication connection with the console 2 is arranged on the positioning plate 334.
As shown in fig. 1, the console 2 includes a table body 21 and a display screen 22, a processor is disposed in the table body 21, and the display screen 22 is in communication connection with the processor.
As shown in fig. 1, the power distribution cabinet further comprises a power distribution cabinet 1, wherein the power distribution cabinet 1 comprises a cabinet body 11, a cabinet door 12, a first power switch button 13 and a first power indicator lamp 14.
The automobile electric control suspension simulation method comprises the steps of simulating the mass transfer of an automobile during braking and turning by using the automobile electric control suspension simulation system; the simulation utilizes an air spring to adjust the height of the vehicle body.
When simulating the mass transfer of the vehicle during braking and cornering, different load cylinders 341 exert different pressures on the respective front suspension 4 or rear suspension 5.
When the height of the vehicle body is adjusted by using the air springs in a simulation mode, if the position of an air bag of one air spring is lower than a set value, a corresponding second air pressure adjusting electromagnetic valve 73 is opened, the air bag of the air spring is inflated, and after the set value is reached, the second air pressure adjusting electromagnetic valve 73 is closed; and if the position of the air bag of one air spring is higher than the set value, opening the corresponding second air pressure regulating electromagnetic valve 73 for exhausting, and closing the second air pressure regulating electromagnetic valve 73 after the set value is reached.
In addition, a processor (corresponding to a vehicle computer ECU) of the console 2 calculates a vehicle simulated driving state (such as acceleration or deceleration, high or low speed, turning, neutral, and the like) based on state signals provided from various sensors to determine the magnitude of the damper damping force, and performs adjustment by an actuator.
In the sport mode, the damping stiffness of the shock absorber is adjusted to a stiffer position.
In the comfort mode, the damping stiffness of the shock absorber is adjusted to a softer position.
In the normal mode, the damping stiffness of the shock absorber is adjusted to a moderate position.
In order to prevent the vehicle from falling off during the simulated braking, the damping shock absorbers of the left front shock absorber and the right front shock absorber are adjusted to be hard positions.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An automobile electric control suspension simulation system comprises a control console (2) and a test bed (3), wherein the test bed (3) comprises a frame (31); the electric control suspension simulation system is characterized by further comprising a front suspension (4), a rear suspension (5), a load mechanism (34), a servo electric cylinder (32), a load compressor and an air bag compressor;
the number of the front suspension (4) and the number of the rear suspension (5) are two, and the front suspension and the rear suspension both comprise air springs and shock absorbers;
the load mechanism (34) comprises four load cylinders (341), the four load cylinders (341) are respectively vertically arranged at four corners of the upper part of the frame (31) with piston rods downward; the two front suspensions (4) are positioned below the two load cylinders (341) at the front part of the frame (31); the two rear suspensions (5) are positioned below the two load cylinders (341) at the rear of the frame (31); the load mechanism (34) being capable of applying pressure to the front suspension (4) and the rear suspension (5); the four load cylinders (341) are respectively in communication connection with the console (2);
the servo electric cylinders (32) comprise cylinder bodies (322), servo motors (321) and telescopic rods, and the number of the servo electric cylinders (32) is four; the four servo electric cylinders (32) are respectively vertically arranged below the two front suspensions (4) and the two rear suspensions (5), and the upper ends of telescopic rods of the servo electric cylinders (32) are detachably connected with the lower ends of the front suspensions (4) or the lower ends of the rear suspensions (5); the four servo electric cylinders (32) are respectively in communication connection with the console (2);
the load compressor provides air sources for four load cylinders (341); the air bag compressor provides an air source for an air bag of the air spring.
2. The automotive electrically controlled suspension simulation system according to claim 1, characterized in that a first gas distribution valve (6) is installed between the load compressor and the four load cylinders (341), and the cylinder internal gas pressures of the four load cylinders (341) can be respectively adjusted through the first gas distribution valve (6);
and a second gas distribution valve (7) is arranged between the airbag compressor and the airbags of the four air springs, and the air pressure in the airbags of the four air springs can be respectively adjusted through the second gas distribution valve (7).
3. An electrically controlled suspension simulator according to claim 2, wherein said first gas distribution valve (6) comprises a first gas tank (61) and four first branch pipes (62); the first air storage cylinder (61) comprises an air inlet end and four air outlet ends, the air inlet end of the first air storage cylinder (61) is communicated with an air outlet of the load compressor, and the four first branch pipes (62) are respectively arranged at the four air outlet ends of the first air storage cylinder (61); the end, far away from the first air storage cylinder (61), of the branch pipe (62) is communicated with a cylinder barrel of the load cylinder (341); the first branch pipe (62) is provided with a first air pressure regulating electromagnetic valve (63) close to the first air storage cylinder (61), and the first branch pipe (62) is provided with a first air pressure sensor close to the cylinder barrel end of the load cylinder (341);
the second gas distribution valve (7) comprises a second gas storage cylinder (71) and four second branch pipes (72); the second air storage cylinder (71) comprises an air inlet end and four air outlet ends, the air inlet end of the second air storage cylinder (71) is communicated with an air outlet of the air bag compressor, and the four second branch pipes (72) are respectively arranged at the four air outlet ends of the second air storage cylinder (71); the end of the second branch pipe (72) far away from the second air storage cylinder (71) is communicated with an air bag of the air spring; a second air pressure regulating electromagnetic valve (73) is arranged at the end, close to the second air storage cylinder (71), of the second branch pipe (72), and a second air pressure sensor is arranged at the end, close to the air bag of the air spring, of the second branch pipe (72);
the first air pressure regulating electromagnetic valve (63), the second air pressure regulating electromagnetic valve (73), the first air pressure sensor and the second air pressure sensor are respectively in communication connection with the console (2).
4. An electric control suspension simulation system for an automobile according to claim 3, characterized in that the front suspension (4) is a front air spring and front shock absorber integrated structure; the rear suspension (5) is of a split structure and comprises a rear air spring (51) and a rear shock absorber (52) which are mutually independent; the lower ends of the rear air spring (51) and the rear shock absorber (52) are flush and fixedly connected with a supporting plate (323), and an expansion rod of the servo electric cylinder (32) is detachably connected with the supporting plate (323).
5. An electronic control suspension simulation system for an automobile according to claim 4, wherein: the device also comprises a guide mechanism (33), wherein the guide mechanism (33) comprises a front guide mechanism and a rear guide mechanism;
the rear guide mechanism comprises a fixing plate (331) horizontally arranged at the upper end of the cylinder body (322) and a rear guide rod (332) fixedly connected to the fixing plate (331), one end, far away from the fixing plate (331), of the rear guide rod (332) is fixedly connected with the top of the frame (31), and a first abdicating hole (333) for the telescopic rod of the cylinder body (322) to penetrate out is formed in the fixing plate (331);
rear guide bar (332) slide on be connected with locating plate (334), locating plate (334) can be dismantled with rear suspension (5) upper end and be connected.
6. The automotive electrically controlled suspension simulation system according to claim 5, characterized in that a pressing block (342) is mounted at the lower end of the piston rod of the load cylinder (341);
the front guide mechanism comprises a front guide rod, the upper end of the front guide rod is fixedly connected with the top of the frame (31), and the lower end of the front guide rod is fixedly connected with the bottom of the frame (31);
a connecting seat (36) is arranged above the front suspension (4), and the connecting seat (36) is connected with the front guide rod in a sliding manner;
pressure sensors (35) in communication connection with the control console (2) are arranged on the connecting seat (36) and the positioning plate (334), and the pressing block (342) corresponds to the pressure sensors (35).
7. An electric control suspension simulation system for automobile according to claim 6, characterized in that an acceleration sensor connected with the console (2) in communication is installed on the connecting base (36), and a height sensor connected with the console (2) in communication is arranged on the positioning plate (334).
8. An electrically controlled suspension simulation system according to claim 1, wherein the console (2) comprises a table body (21) and a display screen (22), a processor is arranged in the table body (21), and the display screen (22) is connected with the processor in communication.
9. An automotive electrically controlled suspension simulation system according to claim 1, characterized by further comprising a power distribution cabinet (1), wherein said power distribution cabinet (1) comprises a cabinet body (11), a cabinet door (12), a first power switch button (13) and a first power indicator (14).
10. An automobile electric control suspension simulation method is characterized by comprising the steps of simulating mass transfer of an automobile during braking and turning by using the automobile electric control suspension simulation system as claimed in claim 7; simulating to utilize an air spring to adjust the height of the vehicle body;
when the mass transfer of the automobile is simulated during braking and turning, different load cylinders (341) apply different pressures to the corresponding front suspension (4) or rear suspension (5);
when the height of the vehicle body is adjusted by using the air springs in a simulation mode, if the position of an air bag of one air spring is lower than a set value, a corresponding air pressure adjusting electromagnetic valve II (73) is opened, the air bag of the air spring is inflated, and after the set value is reached, the air pressure adjusting electromagnetic valve II (73) is closed; and if the position of the air bag of one air spring is higher than the set value, opening a corresponding second air pressure regulating electromagnetic valve (73) for exhausting, and closing the second air pressure regulating electromagnetic valve (73) after the set value is reached.
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| CN202310041543.7A CN115791217A (en) | 2023-01-28 | 2023-01-28 | Automobile electronic control suspension simulation system and method |
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| CN202310041543.7A CN115791217A (en) | 2023-01-28 | 2023-01-28 | Automobile electronic control suspension simulation system and method |
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