CN117922219B - Zero suspension system for new energy automobile - Google Patents
Zero suspension system for new energy automobile Download PDFInfo
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- CN117922219B CN117922219B CN202410166792.3A CN202410166792A CN117922219B CN 117922219 B CN117922219 B CN 117922219B CN 202410166792 A CN202410166792 A CN 202410166792A CN 117922219 B CN117922219 B CN 117922219B
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- 239000000725 suspension Substances 0.000 title claims abstract description 92
- 238000003062 neural network model Methods 0.000 claims abstract description 26
- 238000004364 calculation method Methods 0.000 claims abstract description 19
- 238000012216 screening Methods 0.000 claims abstract description 6
- 230000001133 acceleration Effects 0.000 claims description 17
- 239000000446 fuel Substances 0.000 claims description 14
- 238000005265 energy consumption Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 13
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- 238000012549 training Methods 0.000 description 9
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- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
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- 238000013528 artificial neural network Methods 0.000 description 3
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- 238000013461 design Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0165—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
- B60G11/15—Coil springs resisting deflection by winding up
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/018—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/021—Spring characteristics, e.g. mechanical springs and mechanical adjusting means the mechanical spring being a coil spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/12—Wound spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/40—Type of actuator
- B60G2202/42—Electric actuator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/80—Exterior conditions
- B60G2400/82—Ground surface
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a zero suspension system for a new energy automobile, which relates to the technical field of automobile suspension, wherein the new energy automobile comprises an automobile body, a zero suspension system and a wheel assembly, the zero suspension system comprises a zero suspension module, and the wheel assembly is arranged below the automobile body through the zero suspension module; the zero suspension system further comprises: the image acquisition module is used for acquiring a pavement image and forming first image information; a first neural network model that receives the first image information and outputs a first result; the first screening module screens the first image information according to the first result to form second image information; a second neural network model that receives the second image information and outputs a second result; and the calculation module is used for carrying out data calculation according to the second result and adjusting at least the maximum deformation of the zero suspension module through the adjustment module according to the calculation result.
Description
Technical Field
The invention relates to the technical field of automobile suspension, in particular to a zero suspension system for a new energy automobile.
Background
Suspension systems are a very important component in automobiles, which serve as a connecting bridge between the frame and the wheels, playing a key role in various performance manifestations of automobiles. Zero suspension systems perform well in this area, with unique advantages. The system ensures that the vehicle can keep stable under various running states through a smart mechanical structure and a control system.
The core of the zero suspension system is that the damping and the rigidity of the suspension system can be adjusted according to the real-time running state and road conditions of the vehicle, and in this way, the zero suspension system can rapidly cope with various complex conditions, effectively relieve jolt and vibration of the vehicle, and further improve the stability and riding comfort of the vehicle.
With the rise of new energy automobiles, the special visual recognition system also provides more possibilities for the further development of the zero suspension system, and how to combine the visual recognition with the zero suspension system is an important point of current industry.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the new energy automobile comprises an automobile body, a zero suspension system and a wheel assembly, wherein the zero suspension system comprises a zero suspension module, and the wheel assembly is arranged below the automobile body through the zero suspension module;
The zero suspension system further comprises:
The image acquisition module is used for acquiring a pavement image and forming first image information;
A first neural network model that receives the first image information and outputs a first result;
the first screening module screens the first image information according to the first result to form second image information;
A second neural network model that receives the second image information and outputs a second result; and
And the calculation module performs data calculation according to the second result, and at least adjusts the maximum deformation of the zero suspension module through the adjustment module according to the calculation result.
Further preferably, the first result output by the first neural network model includes a road surface type: flat road surface, convex road surface and concave road surface;
The second image information is part of first image information containing the pavement type of the concave pavement;
The second result output by the second neural network model includes a recess width and a recess depth of a recessed road surface.
Further, preferably, the new energy automobile is capable of providing a parameter set of the automobile body, the parameter set including: the mass M of the new energy automobile, the speed v of the new energy automobile, the front-rear axle distance D of the new energy automobile, the horizontal distance L between the center of the new energy automobile and the front axle, the static rigidity E of the zero suspension module,
The calculation module calculates mu according to the parameter set and the second result, and adjusts the zero suspension module according to mu through the adjustment module;
Wherein,
Wherein,
Wherein,
The concave width of the concave pavement is s, and the concave depth is h; theoretical deformation is mu;
Adjusting the maximum deformation of the zero suspension module according to the mu;
Wherein the maximum deformation of the zero suspension module is n mu;
The n= (n 1+n2+n3)n4).
Further, preferably, the zero suspension system further comprises:
the positioning module is used for obtaining first position information of the vehicle body and judging first road information of the vehicle body according to the first position information;
the acceleration sensor is used for obtaining first acceleration information of the vehicle body;
The vehicle weight sensor is used for obtaining first weight information of the vehicle body;
the fuel consumption sensor is used for obtaining first average fuel consumption information of the vehicle body;
the system comprises a memory, wherein a first corresponding relation table of first road information and n 1 value, a second corresponding relation table of first acceleration information and n 2 value, a third corresponding relation table of first weight information and n 3 value and a fourth corresponding relation table of first average fuel consumption information and n 4 value are stored in the memory.
Further, preferably, the zero suspension mechanism includes:
The top of the energy-consumption telescopic rod is fixed with a top seat, and the bottom of the energy-consumption telescopic rod is fixed with a base;
The first adjusting ring is sleeved on the top seat in a sliding way; and
A spring connected between the base and the first adjustment ring;
the first adjusting ring can be used for adjusting the position along the axial direction of the top seat;
The maximum deformation of the zero suspension mechanism is the maximum deformation of the spring.
Further, preferably, a ring frame is fixed on the top seat, a plurality of screw rods penetrate through the ring frame and are rotationally connected with the ring frame, the screw rods are connected with the first adjusting ring in a threaded transmission manner, a ring bin is fixed on the ring frame, and a driving piece for driving the screw rods to rotate is arranged in the ring bin.
Further, preferably, the zero suspension mechanism further comprises a second adjusting ring, the second adjusting ring is in threaded transmission connection with the screw rod, and when the screw rod rotates, the second adjusting ring moves reversely or moves oppositely with the first adjusting ring; the lower surface slope of second adjusting ring is provided with a plurality of second magnetic path that are circumference and distribute, the upper surface slope of base is provided with a plurality of first magnetic path that are circumference and distribute and correspond with the second magnetic path.
Compared with the prior art, the invention provides a zero suspension system for a new energy automobile, which has the following beneficial effects:
The system can identify the road surface by means of strong visual identification and calculation force of the new energy automobile and guide the zero suspension system to adjust, and the adjustment process not only considers the unevenness of the road surface, but also fully considers a plurality of factors such as the speed, the acceleration and the like. In this way, the zero suspension system can rapidly cope with the situation of a concave road surface, effectively relieve jolt and vibration of the vehicle, and improve the stability and riding comfort of the vehicle.
Drawings
FIG. 1 is a schematic diagram of a zero suspension system for a new energy vehicle;
FIG. 2 is a flow chart of a method of adjustment for a zero suspension system of a new energy vehicle;
FIG. 3 is a schematic view of a zero-suspension module for use in a zero-suspension system of a new energy vehicle;
In the figure: 1. an energy-consumption telescopic rod; 2. a top base; 3. a first adjustment ring; 4. a screw rod; 5. a ring frame; 6. a ring bin; 7. a second adjustment ring; 8. a base; 9. a first magnetic block; 10. a spring; 11. and a second magnetic block.
Detailed Description
The terms first, second and the like in the description and in the claims and in the above drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and are merely illustrative of the manner in which embodiments of the application have been described in connection with the description of the objects having the same attributes. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Embodiment one: referring to fig. 1 and 3, in an embodiment of the present invention, a zero suspension system for a new energy vehicle is provided, the new energy vehicle includes a vehicle body, a zero suspension system and a wheel assembly, the zero suspension system includes a zero suspension module, wherein the wheel assembly is installed below the vehicle body through the zero suspension module;
The zero suspension system further comprises:
The image acquisition module is used for acquiring a pavement image and forming first image information;
A first neural network model that receives the first image information and outputs a first result;
the first screening module screens the first image information according to the first result to form second image information;
A second neural network model that receives the second image information and outputs a second result; and
And the calculation module performs data calculation according to the second result, and at least adjusts the maximum deformation of the zero suspension module through the adjustment module according to the calculation result.
The image acquisition module is a module for acquiring a road surface image and forming first image information. The image acquisition module generally comprises one or more image sensors, such as a camera or a scanner, and necessary image processing hardware and software, and the first image information is an image set of the road surface in front of the vehicle body acquired by the image acquisition module;
the first neural network model, i.e., the neural network model in machine learning, is a complex neural network system formed by a large number of simple processing units (called neurons) widely interconnected, reflecting many basic features of human brain functions, and is a highly complex nonlinear power learning system, and the neural network model is described based on a mathematical model of neurons. An artificial neural network (ARTIFICIAL NEURAL NETWORKS) is a description of the first order nature of the human brain system. It is simply a mathematical model. Training based on a plurality of training data, wherein each set of training data comprises: the neural network model is continuously self-corrected, and when the output information of the neural network model reaches a preset accuracy rate/reaches a convergence state, the supervised learning process is ended. By training the data of the neural network model, the first result output by the first neural network model is more accurate based on the characteristic that the training model is more accurate in processing the data after training, and more specifically, the first result output by the first neural network model comprises the road surface type: flat road surface, convex road surface and concave road surface;
the first screening module screens the first image information according to the first result to form second image information, wherein the second image information is part of first image information containing the pavement type of the concave pavement;
likewise, the second neural network model is also based on training of a large number of training data, wherein each set of training data comprises: second image information and identification information for identifying a second result; and the second result output by the second neural network model includes a recess width and a recess depth of a recessed road surface.
In addition, the new energy automobile can provide a parameter set of the automobile body, wherein the parameter set comprises: the mass M of the new energy automobile, the speed v of the new energy automobile, the front-rear axle distance D of the new energy automobile, the horizontal distance L between the center of the new energy automobile and the front axle, the static rigidity E of the zero suspension module,
The calculation module calculates mu according to the parameter set and the second result, and adjusts the zero suspension module according to mu through the adjustment module;
Wherein,
Wherein,
Wherein,
The concave width of the concave pavement is s, and the concave depth is h; theoretical deformation is mu;
Adjusting the maximum deformation of the zero suspension module according to the mu;
Wherein the maximum deformation of the zero suspension module is n mu;
The n= (n 1+n2+n3)n4).
In addition, the zero suspension system further comprises:
the positioning module is used for obtaining first position information of the vehicle body and judging first road information of the vehicle body according to the first position information;
the acceleration sensor is used for obtaining first acceleration information of the vehicle body;
The vehicle weight sensor is used for obtaining first weight information of the vehicle body;
the fuel consumption sensor is used for obtaining first average fuel consumption information of the vehicle body;
the system comprises a memory, wherein a first corresponding relation table of first road information and n 1 value, a second corresponding relation table of first acceleration information and n 2 value, a third corresponding relation table of first weight information and n 3 value and a fourth corresponding relation table of first average fuel consumption information and n 4 value are stored in the memory.
Wherein the first road information includes a type of road, for example: national roads, rural roads, urban roads, rural roads and the like, and the road surface feedback of different roads is different;
In addition, the average fuel consumption of the vehicle in a certain time period can be obtained according to the first average fuel consumption information, and the fact that the driving habit of the vehicle owner can be reflected to a certain degree according to the average fuel consumption is found in the research, for example, whether the vehicle owner can brake and pass through the concave road surface or not when encountering the concave road surface;
In addition, according to the first acceleration information and the combination of the current speed v, the speed of the vehicle passing through the pavement depression can be roughly judged;
The first, second, third and fourth correspondence tables are a data structure or database, and the correspondence tables are mainly used for associating different sensor data (such as first acceleration information, first weight information, first average fuel consumption information and first road information) with a specific numerical value (n 1、n2、n3、n4). These values represent the parameters of the zero-suspension module.
Such data structures are common in systems that require fast lookup and matching, especially in real-time processing and optimization control applications. They may be data stored in tabular form or records in a database that can be read and utilized by software programs to achieve more efficient data management and decision making.
That is, the correspondence tables are pre-stored, and according to the template file tables obtained by scientific measurement and analysis, the system can quickly search and utilize relevant data through the correspondence tables, so that the zero suspension module can be more intelligently adjusted. For example, when the positioning module determines that the vehicle is on a particular road, the system may query the correspondence table in memory for the n 1 value that best matches the road information, and then adjust the parameters of the zero-suspension module based on this value.
In this embodiment, as shown in fig. 2, the zero suspension mechanism includes:
The top of the energy consumption telescopic rod 1 is fixedly provided with a top seat 2, and the bottom of the energy consumption telescopic rod is fixedly provided with a base 8;
The first adjusting ring 3 is sleeved on the top seat 2 in a sliding manner; and
A spring 10 connected between the base 8 and the first adjustment ring 3;
wherein, the first adjusting ring 3 can adjust the position along the axial direction of the top seat 2;
the maximum deflection of the zero suspension mechanism is the maximum deflection of the spring 10.
In fact, the energy consuming telescopic rod 1 together with the spring 10 constitutes a suspension mechanism in the prior art. Unlike the prior art, the first adjustment ring 3 in the present embodiment can be adjusted in position in the axial direction of the top chassis 2. By this adjustment, the maximum deformation amount of the spring 10 in the initial state can be changed. The initial state referred to herein refers to a state in which the spring 10 is not adjusted when the new energy vehicle is on a flat road surface.
Further, since the spring 10 has its compression limit, that is, it has a fixed minimum non-deformable state, the length of the spring in the initial state is adjustable. Therefore, the maximum deformation amount of the spring in the initial state can be adjusted. The adjustability enables the suspension mechanism to be more flexible and can better adapt to different road conditions and driving requirements.
Further, a ring frame 5 is fixed on the top seat 2, a plurality of screw rods 4 penetrate through the ring frame 5 and are rotationally connected with the ring frame 5, the screw rods 4 are in threaded transmission connection with the first adjusting ring 3, a ring bin 6 is fixed on the ring frame 5, and a driving piece for driving the screw rods 4 to rotate is arranged in the ring bin 6.
The screw-nut pair mechanism can be formed between the screw rod and the first adjusting ring 3 through threaded transmission fit between the screw rod and the first adjusting ring 3, and as a plurality of screw rods 4 are arranged, the effect of limiting the first adjusting ring 3 is actually achieved among the screw rods 4, so that the first adjusting ring 3 can only axially move along the top seat 2;
Of course, in other embodiments, the top chassis 2 may be designed in a square structure. This design also enables a limiting effect on the first adjusting ring 3, providing it with a stable support and guidance. Whichever embodiment is aimed at ensuring accurate positioning and stable operation of the first adjustment ring 3, thereby optimizing the performance of the suspension system.
Further, the zero suspension mechanism further comprises a second adjusting ring 7, the second adjusting ring 7 is in threaded transmission connection with the screw rod 4, and when the screw rod 4 rotates, the second adjusting ring 7 and the first adjusting ring 3 move reversely or oppositely; the lower surface slope of second adjusting ring 7 is provided with a plurality of second magnetic path 11 that are circumference distribution, the upper surface slope of base 8 is provided with a plurality of first magnetic path 9 that are circumference distribution and correspond with second magnetic path 11.
It should be noted that, although the spring 10 has a fixed static stiffness E, in practical applications, the influence of the dynamic stiffness thereof needs to be considered. For example, when the drive screw 4 is rotated to cause the first adjusting ring 3 to move upward, the dynamic stiffness of the compressed forward portion of the spring 10 is relatively reduced. In order to solve this problem, the present embodiment particularly introduces the second adjusting ring 7.
When the driving screw 4 rotates and forces the first adjusting ring 3 to move upwards, the second adjusting ring 7 moves downwards simultaneously. In this way, the second adjusting ring 7 will be closer to the compressed forward portion of the spring 10. At this time, the problem of the reduction of the dynamic stiffness of the compressed front portion of the spring 10 can be effectively compensated for by the repulsive force between the first magnetic block 9 and the second magnetic block 11.
The design not only improves the overall performance of the suspension system, but also enhances the adaptability and stability of the suspension system under different working conditions.
In the embodiment of the invention, the road surface can be identified and the zero suspension system is guided to be adjusted by means of strong visual identification and calculation force of the new energy automobile, and the adjustment process not only considers the unevenness of the road surface, but also fully considers a plurality of factors such as the speed, the acceleration and the like. In this way, the zero suspension system can rapidly cope with the situation of a concave road surface, effectively relieve jolt and vibration of the vehicle, and improve the stability and riding comfort of the vehicle.
Embodiment two: referring to fig. 2, in the embodiment of the present invention, based on a zero suspension system for a new energy automobile, an adjustment method for the zero suspension system of the new energy automobile is further provided, which includes the following steps:
Step 110: obtaining first image information;
step 120: inputting the first image information into a first neural network model, and analyzing the first image information based on the first neural network model to obtain a first result;
step 130: screening the first image according to the first result to obtain second image information;
step 140: inputting the second image information into a second neural network model, and analyzing the second image information based on the second neural network model to obtain a second result;
Step 150: and carrying out data calculation according to the second result, and further adjusting the maximum deformation of the zero suspension module.
Wherein the first result comprises a road surface type: flat road surface, convex road surface and concave road surface;
The second image information is part of first image information containing the pavement type of the concave pavement;
the second result includes a recessed width and a recessed depth of the recessed pavement.
In step 150, the calculating the data according to the second result, and further adjusting the maximum deformation of the zero suspension module includes:
The new energy automobile can provide the parameter set of automobile body, and the parameter set includes: the mass M of the new energy automobile, the speed v of the new energy automobile, the front-rear axle distance D of the new energy automobile, the horizontal distance L between the center of the new energy automobile and the front axle, the static rigidity E of the zero suspension module,
Calculating mu from the parameter set and the second result, wherein,
Wherein,
Wherein,
The concave width of the concave pavement is s, and the concave depth is h; theoretical deformation is mu;
Adjusting the maximum deformation of the zero suspension module according to the mu;
Wherein the maximum deformation of the zero suspension module is n mu;
The n= (n 1+n2+n3)n4).
Wherein, obtaining the parameter n comprises the following steps:
acquiring first position information of a vehicle body, and judging first road information of the vehicle body according to the first position information;
Acquiring first acceleration information of a vehicle body;
Obtaining first weight information of a vehicle body;
Obtaining first average oil consumption information of a vehicle body;
A first query instruction is obtained and is used for querying a memory, and a first corresponding relation table of first road information and n 1 values, a second corresponding relation table of first acceleration information and n 2 values, a third corresponding relation table of first weight information and n 3 values and a fourth corresponding relation table of first average oil consumption information and n 4 values are stored in the memory.
In the embodiment of the invention, the road surface can be identified and the zero suspension system is guided to be adjusted by means of strong visual identification and calculation force of the new energy automobile, and the adjustment process not only considers the unevenness of the road surface, but also fully considers a plurality of factors such as the speed, the acceleration and the like. In this way, the zero suspension system can rapidly cope with the situation of a concave road surface, effectively relieve jolt and vibration of the vehicle, and improve the stability and riding comfort of the vehicle.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage and optical storage) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The zero suspension system for the new energy automobile is characterized by comprising a vehicle body, a zero suspension system and a wheel assembly, wherein the zero suspension system comprises a zero suspension module, and the wheel assembly is arranged below the vehicle body through the zero suspension module;
The zero suspension system further comprises:
The image acquisition module is used for acquiring a pavement image and forming first image information;
A first neural network model that receives the first image information and outputs a first result;
the first screening module screens the first image information according to the first result to form second image information;
A second neural network model that receives the second image information and outputs a second result; and
The calculation module performs data calculation according to the second result, and at least adjusts the maximum deformation of the zero suspension module through the adjustment module according to the calculation result;
the first result output by the first neural network model includes a road surface type: flat road surface, convex road surface and concave road surface;
The second image information is part of first image information containing the pavement type of the concave pavement;
the second result output by the second neural network model comprises a concave width and a concave depth of a concave pavement;
The new energy automobile can provide the parameter set of automobile body, and the parameter set includes: the mass M of the new energy automobile, the speed v of the new energy automobile, the front-rear axle distance D of the new energy automobile, the horizontal distance L between the center of the new energy automobile and the front axle, the static rigidity E of the zero suspension module,
The calculation module calculates mu according to the parameter set and the second result, and adjusts the zero suspension module according to mu through the adjustment module;
Wherein,
Wherein,
Wherein,
The concave width of the concave pavement is s, and the concave depth is h; theoretical deformation is mu;
Adjusting the maximum deformation of the zero suspension module according to the mu;
Wherein the maximum deformation of the zero suspension module is n mu;
The n= (n 1+n2+n3)n4;
Wherein n 1 is a first road information parameter value;
n 2 is a first acceleration information parameter value;
n 3 is a first weight information parameter value;
n 4 is a first average fuel consumption information parameter value;
n is a correction parameter.
2. The zero suspension system for a new energy vehicle of claim 1, further comprising:
the positioning module is used for obtaining first position information of the vehicle body and judging first road information of the vehicle body according to the first position information;
the acceleration sensor is used for obtaining first acceleration information of the vehicle body;
The vehicle weight sensor is used for obtaining first weight information of the vehicle body;
the fuel consumption sensor is used for obtaining first average fuel consumption information of the vehicle body;
the system comprises a memory, wherein a first corresponding relation table of first road information and n 1 value, a second corresponding relation table of first acceleration information and n 2 value, a third corresponding relation table of first weight information and n 3 value and a fourth corresponding relation table of first average fuel consumption information and n 4 value are stored in the memory.
3. The zero suspension system for a new energy vehicle of claim 1, wherein the zero suspension module comprises:
the top of the energy consumption telescopic rod (1) is fixedly provided with a footstock (2), and the bottom of the energy consumption telescopic rod is fixedly provided with a base (8);
The first adjusting ring (3) is sleeved on the top seat (2) in a sliding manner; and
A spring (10) connected between the base (8) and the first adjustment ring (3);
The first adjusting ring (3) can be used for adjusting the position along the axial direction of the top seat (2);
the maximum deformation of the zero suspension module is the maximum deformation of the spring (10).
4. A zero suspension system for a new energy automobile according to claim 3, characterized in that a ring frame (5) is fixed on the top seat (2), a plurality of screw rods (4) are penetrated in the ring frame (5) and rotationally connected, the screw rods (4) are in threaded transmission connection with the first adjusting ring (3), a ring bin (6) is fixed on the ring frame (5), and a driving piece for driving the screw rods (4) to rotate is arranged in the ring bin (6).
5. A zero suspension system for a new energy vehicle according to claim 4, characterized in that the zero suspension module further comprises a second adjusting ring (7), the second adjusting ring (7) being in threaded connection with the screw (4), and that the second adjusting ring (7) moves in opposite direction or in opposite direction to the first adjusting ring (3) when the screw (4) is rotated; the lower surface slope of second adjusting ring (7) is provided with a plurality of second magnetic path (11) that are circumference distribution, the upper surface slope of base (8) is provided with a plurality of first magnetic path (9) that are circumference distribution and correspond with second magnetic path (11).
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