CN116628997A - Method, device, equipment, medium and system for determining damping value of shock absorber - Google Patents
Method, device, equipment, medium and system for determining damping value of shock absorber Download PDFInfo
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Abstract
The invention discloses a method, a device, equipment, a medium and a system for determining a damping value of a shock absorber. A vehicle description current set is obtained through calculation according to a vehicle description information set of a target vehicle to be adjusted; acquiring a vehicle state and a damper comfort value of a target vehicle, and determining a damping adjustment current according to the vehicle state, the damper comfort value and a vehicle description current set through a preset vehicle damping adjustment current formula; and calculating the damping value of the shock absorber according to the damping adjustment current so as to adjust the target vehicle according to the determined damping value of the shock absorber. The problem that the comfort level mode of the vehicle vibration damper system is single is solved, the comfort level of the vehicle vibration damper can be adjusted in a non-grade mode, the comfort level experience of a user is improved, the user experience is richer in vibration damper comfort level, and the driving individuation performance of the vehicle is improved.
Description
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to a method, an apparatus, a device, a medium, and a system for determining a damping value of a shock absorber.
Background
With the popularization of vehicles in daily life, the personalized demands of users on the vehicles are also increasing. Specifically, the driver can make the vehicle vibration reduction system in different comfort modes through a knob, a button or a soft switch and the like, and the vehicle vibration reduction system generally comprises 3 to 4 adjustment modes of softer, moderate, harder and the like, and the adjustment modes meet the requirements of users on different comfort levels of the vibration absorbers to a certain extent.
The inventors have found that the following drawbacks exist in the prior art in the process of implementing the present invention: at present, the comfort of the shock absorber is adjusted through a preset adjusting mode, finer control of the comfort of the shock absorber by user experience is greatly limited by a single mode, different comfort experiences are limited by a user, the comfort adjustment of the shock absorber by the user is discontinuous and abrupt, and the user experience is poor.
Disclosure of Invention
The invention provides a method, a device, equipment, a medium and a system for determining a damping value of a shock absorber, which are used for improving the comfort experience of a user, enriching the comfort of the shock absorber for the user experience and improving the driving individuation of a vehicle.
According to an aspect of the present invention, there is provided a method for determining a damping value of a shock absorber, including:
acquiring and calculating a vehicle description current set according to a vehicle description information set of a target vehicle to be adjusted;
acquiring a vehicle state and a damper comfort value of the target vehicle, and determining a damping adjustment current according to the vehicle state, the damper comfort value and the vehicle description current set through a preset vehicle damping adjustment current formula;
and calculating the damping value of the shock absorber according to the damping adjustment current so as to adjust the target vehicle according to the determined damping value of the shock absorber.
According to another aspect of the present invention, there is provided a damper damping value determining apparatus, including:
the vehicle description current set calculation module is used for obtaining and calculating a vehicle description current set according to a vehicle description information set of a target vehicle to be adjusted;
the damping adjustment current determining module is used for obtaining the vehicle state and the damper comfort level value of the target vehicle, and determining damping adjustment current according to the vehicle state, the damper comfort level value and the vehicle description current set through a preset vehicle damping adjustment current formula;
and the damper damping value calculation module is used for calculating the damper damping value according to the damping adjustment current so as to adjust the target vehicle according to the determined damper damping value.
According to another aspect of the present invention, there is provided an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for determining a damping value of a shock absorber according to any one of the embodiments of the present invention when executing the computer program.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to implement the method for determining a damping value of a shock absorber according to any one of the embodiments of the present invention when executed.
According to another aspect of the present invention, there is provided a shock absorber damping value determination system, the system including a signal acquisition input module, a signal control module, and a signal execution module; the signal acquisition input module is used for acquiring each vehicle description signal to obtain a vehicle description information set, and transmitting the vehicle description information set to the signal control module; the signal acquisition input module comprises at least one of the following: the system comprises a height signal acquisition and processing unit, a bus signal acquisition and processing unit and an acceleration angular velocity signal acquisition and processing unit; the signal control module is used for realizing the method for determining the damping value of the shock absorber according to any embodiment of the invention; the signal execution module is used for receiving the damper damping value fed back by the signal control module and adjusting the target vehicle according to the damper damping value.
According to the technical scheme, the vehicle description current set is obtained through calculation according to the vehicle description information set of the target vehicle to be adjusted; acquiring a vehicle state and a damper comfort value of a target vehicle, and determining a damping adjustment current according to the vehicle state, the damper comfort value and a vehicle description current set through a preset vehicle damping adjustment current formula; and calculating the damping value of the shock absorber according to the damping adjustment current so as to adjust the target vehicle according to the determined damping value of the shock absorber. The problem that the comfort level mode of the vehicle vibration damper system is single is solved, the comfort level of the vehicle vibration damper can be adjusted in a non-grade mode, the comfort level experience of a user is improved, the user experience is richer in vibration damper comfort level, and the driving individuation performance of the vehicle is improved.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for determining a damping value of a shock absorber according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a damping value determining device of a shock absorber according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a damping value determining system of a shock absorber according to a fifth embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "target," "current," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. 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 steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a flowchart of a method for determining a damping value of a shock absorber according to an embodiment of the present invention, where the method may be performed by a shock absorber damping value determining device, and the shock absorber damping value determining device may be implemented in hardware and/or software.
Accordingly, as shown in fig. 1, the method includes:
s110, acquiring and calculating a vehicle description current set according to a vehicle description information set of the target vehicle to be adjusted.
The vehicle description information set can be a plurality of vehicle description signals acquired in real time through the signal sensor, and the vehicle description information set is composed of the plurality of vehicle description signals. The vehicle description current set may be a plurality of currents that are analytically calculated from the vehicle description signal set.
Specifically, the vehicle description current set includes a first base current, a second base current, a first shed control current, a second shed control current, an upper current limit, and a lower current limit. A soft mode of the damper, a moderate mode of the damper, and a hard mode of the damper are generally included in the vehicle. The soft mode of the shock absorber corresponds to a first basic current and a first greenhouse control current; the hard mode of the shock absorber corresponds to the second base current and the second canopy control current.
Optionally, the vehicle description information set is composed of a plurality of vehicle description signals acquired by the signal acquisition module, and the vehicle description information set includes at least one of the following: a vehicle height signal, a vehicle acceleration and angular velocity signal, a steering wheel angle, a vehicle speed, a master cylinder pressure and an accelerator pedal opening; the obtaining and calculating a vehicle description current set according to a vehicle description information set of a target vehicle to be adjusted comprises the following steps: according to the vehicle description information set, calculating to obtain a first basic current, a second basic current, a first shed control current, a second shed control current, an upper current limit and a lower current limit; the first basic current and the first awning control current are currents obtained in a soft mode of the shock absorber, and the second basic current and the second awning control current are currents obtained in a hard mode of the shock absorber.
The upper current limit may be the highest current allowed by the vehicle. The lower current limit may be the lowest current that describes the vehicle is allowed.
The signal acquisition module comprises a height signal acquisition processing unit, a bus signal acquisition processing unit and an acceleration angular velocity signal acquisition processing unit, can acquire a plurality of signals and can acquire a vehicle height signal, a vehicle body acceleration and angular velocity signal, a steering wheel corner, a vehicle speed, a master cylinder pressure and an accelerator pedal opening.
In the present embodiment, calculation of different currents is performed by respective vehicle description signals in the vehicle description information set, and recalculation is performed based on the determined plurality of currents, so that adjustment processing of the target vehicle is performed based on the calculation result.
S120, acquiring a vehicle state and a damper comfort value of the target vehicle, and determining a damping adjustment current according to the vehicle state, the damper comfort value and the vehicle description current set through a preset vehicle damping adjustment current formula.
The vehicle state may include a vehicle running state and a vehicle stationary state, among others. The damper comfort value may be a comfort value that a user may adjust in advance, and may be a comfort value that is obtained in advance.
In addition, the damping adjustment current can be a current capable of adjusting the damping value of the vehicle, and the damping value of the shock absorber is determined according to the magnitude of the damping adjustment current.
Optionally, the obtaining the vehicle state and the damper comfort value of the target vehicle, and determining the damping adjustment current according to the vehicle state, the damper comfort value and the vehicle description current set through a preset vehicle damping adjustment current formula includes: acquiring a vehicle state and a damper comfort value of a target vehicle; if the vehicle state is a vehicle running state, determining a damping adjustment current according to a preset vehicle running damping adjustment current formula, the vehicle description current set and a damper comfort level value; and if the vehicle state is a vehicle stationary state, determining a damping adjustment current according to a preset vehicle stationary damping adjustment current formula, the vehicle description current set and the damper comfort level value.
In this embodiment, it is necessary to first determine whether the vehicle is in a stationary state or a traveling state, and if the vehicle is in a stationary state, acquire a vehicle stationary damping adjustment current formula, thereby determining a damping adjustment current according to a vehicle description current set and a damper comfort value acquired in advance.
In addition, if the vehicle is in a vehicle driving state, a vehicle driving damping adjustment current formula is acquired, so that the damping adjustment current is determined according to a vehicle description current set and a damper comfort value which are acquired in advance.
Optionally, the determining the damping adjustment current according to a preset vehicle running damping adjustment current formula, the vehicle description current set and the damper comfort value includes: according to a preset vehicle running damping adjustment current formula, the vehicle description current set and the damper comfort level value, calculating to obtain a third basic current and a third canopy control current; and carrying out current arbitration operation according to the third basic current and the third canopy control current through a preset current arbitration rule, and determining the damping adjustment current.
The third base current may be a base current corresponding to a current damper comfort value, which describes a current value calculated according to a plurality of base currents during running of the vehicle. The third canopy control current may be a current value calculated according to a plurality of canopy control currents during the driving of the vehicle, and is used for describing a canopy control current corresponding to the current damper comfort value. The current arbitration rule may be a rule that arbitrates two or more currents.
Optionally, the calculating according to a preset vehicle running damping adjustment current formula, the vehicle description current set and the shock absorber comfort value to obtain a third base current and a third canopy control current includes: according to formula I j3 ＝I j1 +(I j2 -I j1 ) A), calculating to obtain the third basic current I j3 The method comprises the steps of carrying out a first treatment on the surface of the According to formula I t3 ＝I t1 +(I t2 -I t1 ) A%, calculating to obtain the third canopy control electricityStream I t3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein I is j1 Representing a first base current; i j2 Representing a second base current; a represents the comfort value of the shock absorber, and the value of a is [0, 100 ]]；I t1 Representing a first shed control current; i t2 Representing the second canopy control current.
For example, assuming a damper comfort value of 66, the first base current is 0.5A and the second base current is 0.8A, thus, the equation I can be followed j3 ＝0.5+(0.8-0.5)*66％＝0.698A。
Similarly, assume that the first canopy control current is 1A and the second canopy control current is 1.2A. Thus, it is possible to follow formula I t3 ＝1+(1.2-1)*66％＝1.132A。
Thus, the third base current may be determined to be 0.698A and the third canopy control current 1.132a.
Optionally, the determining the damping adjustment current according to the third base current and the third canopy control current by performing a current arbitration operation according to a preset current arbitration rule includes: acquiring the correlation between a pre-stored shock absorber and the current magnitude; when the correlation is positive correlation, selecting the current with the largest current as the damping adjustment current from the third basic current and the third canopy control current; and when the correlation is negative, selecting the current with the smallest current from the third basic current and the third canopy control current as the damping adjustment current.
In the previous example, assuming that the correlation between the damper and the current is positive, since the third base current is 0.698A and the third ceiling control current is 1.132a, the damping adjustment current with the largest current is selected from the third base current and the third ceiling control current, that is, the damping adjustment current is 1.132a.
Further, assuming that the correlation between the damper and the current is a negative correlation, since the third base current is 0.698A and the third ceiling control current is 1.132a, the damping adjustment current with the smallest current is selected from the third base current and the third ceiling control current, that is, the damping adjustment current is 0.698A.
The advantages of this arrangement are that: through first basic current, second basic current, first canopy control current and second canopy control current, combine shock absorber comfort level value and vehicle damping adjustment current formula, confirm the damping adjustment current of concrete vehicle under the state of traveling, can carry out the determination of more accurate shock absorber damping value according to damping adjustment current like this to can adjust the suspension of target vehicle better, improve user's experience sense.
Optionally, the determining the damping adjustment current according to a preset vehicle stationary damping adjustment current formula, the vehicle description current set and the damper comfort value includes: according to formula I z ＝I lower +(I upper -I lower ) A), calculating the damping adjustment current I z The method comprises the steps of carrying out a first treatment on the surface of the Wherein I is upper Indicating the upper limit of current, I lower Indicating the lower current limit.
For example, assuming that the upper limit of the current is 1.5A and the lower limit of the current is 0.3A, the damping adjustment current of the vehicle in the static state can be calculated as I according to the formula z ＝0.3+(1.5-0.3)*66％＝1.092A。
The advantages of this arrangement are that: through upper current limit and lower current limit, combine shock absorber comfort level value and vehicle damping adjustment current formula, confirm the damping adjustment current of concrete vehicle under the static state, can carry out the determination of more accurate shock absorber damping value according to damping adjustment current like this to can adjust the suspension of target vehicle better, improve user's experience sense.
And S130, calculating a damper damping value of the shock absorber according to the damping adjustment current so as to adjust the target vehicle according to the determined damper damping value.
The damping value of the shock absorber can be the value of the damping value corresponding to the description shock absorber, and the damping value can be calculated according to the damping adjustment current.
In this embodiment, the calculation of the damper damping value is performed according to the damping adjustment current, and after the damper damping value is determined, the damper damping value is transmitted to the signal execution module, and the signal execution unit performs adjustment of the suspension of the target vehicle.
According to the technical scheme, the vehicle description current set is obtained through calculation according to the vehicle description information set of the target vehicle to be adjusted; acquiring a vehicle state and a damper comfort value of a target vehicle, and determining a damping adjustment current according to the vehicle state, the damper comfort value and a vehicle description current set through a preset vehicle damping adjustment current formula; and calculating the damping value of the shock absorber according to the damping adjustment current so as to adjust the target vehicle according to the determined damping value of the shock absorber. The problem that the comfort level mode of the vehicle vibration damper system is single is solved, the comfort level of the vehicle vibration damper can be adjusted in a non-grade mode, the comfort level experience of a user is improved, the user experience is richer in vibration damper comfort level, and the driving individuation performance of the vehicle is improved.
Example two
Fig. 2 is a schematic structural diagram of a damping value determining device of a shock absorber according to a second embodiment of the present invention. The device for determining the damping value of the shock absorber provided by the embodiment of the invention can be realized through software and/or hardware, and can be configured in terminal equipment or a server to realize the method for determining the damping value of the shock absorber. As shown in fig. 2, the apparatus includes: the vehicle describes the current set calculation module 210, the damping adjustment current determination module 220, and the shock absorber damping value calculation module 230.
The vehicle description current set calculation module 210 obtains and calculates a vehicle description current set according to a vehicle description information set of a target vehicle to be adjusted;
the damping adjustment current determining module 220 is configured to obtain a vehicle state and a damper comfort value of the target vehicle, and determine a damping adjustment current according to the vehicle state, the damper comfort value, and the vehicle description current set by using a preset vehicle damping adjustment current formula;
the damper damping value calculation module 230 is configured to calculate a damper damping value according to the damping adjustment current, so as to adjust the target vehicle according to the determined damper damping value.
According to the technical scheme, the vehicle description current set is obtained through calculation according to the vehicle description information set of the target vehicle to be adjusted; acquiring a vehicle state and a damper comfort value of a target vehicle, and determining a damping adjustment current according to the vehicle state, the damper comfort value and a vehicle description current set through a preset vehicle damping adjustment current formula; and calculating the damping value of the shock absorber according to the damping adjustment current so as to adjust the target vehicle according to the determined damping value of the shock absorber. The problem that the comfort level mode of the vehicle vibration damper system is single is solved, the comfort level of the vehicle vibration damper can be adjusted in a non-grade mode, the comfort level experience of a user is improved, the user experience is richer in vibration damper comfort level, and the driving individuation performance of the vehicle is improved.
Optionally, the vehicle description information set is composed of a plurality of vehicle description signals acquired by the signal acquisition module, and the vehicle description information set includes at least one of the following: body height signal, body acceleration and angular velocity signal, steering wheel angle, vehicle speed, master cylinder pressure and accelerator pedal opening.
Optionally, the vehicle description current set calculation module 210 may be specifically configured to: according to the vehicle description information set, calculating to obtain a first basic current, a second basic current, a first shed control current, a second shed control current, an upper current limit and a lower current limit; the first basic current and the first awning control current are currents obtained in a soft mode of the shock absorber, and the second basic current and the second awning control current are currents obtained in a hard mode of the shock absorber.
Optionally, the damping adjustment current determining module 220 may be specifically configured to: acquiring a vehicle state and a damper comfort value of a target vehicle; if the vehicle state is a vehicle running state, determining a damping adjustment current according to a preset vehicle running damping adjustment current formula, the vehicle description current set and a damper comfort level value; and if the vehicle state is a vehicle stationary state, determining a damping adjustment current according to a preset vehicle stationary damping adjustment current formula, the vehicle description current set and the damper comfort level value.
Optionally, the damping adjustment current determining module 220 may be further specifically configured to: according to a preset vehicle running damping adjustment current formula, the vehicle description current set and the damper comfort level value, calculating to obtain a third basic current and a third canopy control current; and carrying out current arbitration operation according to the third basic current and the third canopy control current through a preset current arbitration rule, and determining the damping adjustment current.
Optionally, the damping adjustment current determining module 220 may be further specifically configured to: according to formula I j3 ＝I j1 +(I j2 -I j1 ) A), calculating to obtain the third basic current I j3 The method comprises the steps of carrying out a first treatment on the surface of the According to formula I t3 ＝I t1 +(I t2 -I t1 ) A), calculating to obtain the third canopy control current I t3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein I is j1 Representing a first base current; i j2 Representing a second base current; a represents the comfort value of the shock absorber, and the value of a is [0, 100 ]]；I t1 Representing a first shed control current; i t2 Representing the second canopy control current.
Optionally, the damping adjustment current determining module 220 may be further specifically configured to: acquiring the correlation between a pre-stored shock absorber and the current magnitude; when the correlation is positive correlation, selecting the current with the largest current as the damping adjustment current from the third basic current and the third canopy control current; and when the correlation is negative, selecting the current with the smallest current from the third basic current and the third canopy control current as the damping adjustment current.
Optionally, the damping adjustment current determining module 220 may be further specifically configured to: according to formula I z ＝I lower +(I upper -I lower ) A), calculating the damping adjustment current I z The method comprises the steps of carrying out a first treatment on the surface of the Wherein I is upper Indicating the upper limit of current, I lower Indicating the lower current limit.
The device for determining the damping value of the shock absorber provided by the embodiment of the invention can execute the method for determining the damping value of the shock absorber provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the executing method.
Example III
Fig. 3 shows a schematic diagram of an electronic device 10 that may be used to implement a fourth embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 3, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above, such as the shock absorber damping value determination method.
In some embodiments, the shock absorber damping value determination method may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as the storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the shock absorber damping value determination method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the shock absorber damping value determination method in any other suitable way (e.g. by means of firmware).
The method comprises the following steps: acquiring and calculating a vehicle description current set according to a vehicle description information set of a target vehicle to be adjusted; acquiring a vehicle state and a damper comfort value of the target vehicle, and determining a damping adjustment current according to the vehicle state, the damper comfort value and the vehicle description current set through a preset vehicle damping adjustment current formula; and calculating the damping value of the shock absorber according to the damping adjustment current so as to adjust the target vehicle according to the determined damping value of the shock absorber.
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Example IV
A fourth embodiment of the present invention also provides a computer-readable storage medium containing computer-readable instructions, which when executed by a computer processor, are configured to perform a method of determining a damping value of a shock absorber, the method comprising: acquiring and calculating a vehicle description current set according to a vehicle description information set of a target vehicle to be adjusted; acquiring a vehicle state and a damper comfort value of the target vehicle, and determining a damping adjustment current according to the vehicle state, the damper comfort value and the vehicle description current set through a preset vehicle damping adjustment current formula; and calculating the damping value of the shock absorber according to the damping adjustment current so as to adjust the target vehicle according to the determined damping value of the shock absorber.
Of course, the embodiment of the present invention provides a computer-readable storage medium, and the computer-executable instructions of the computer-readable storage medium are not limited to the method operations described above, but may also perform the related operations in the method for determining the damping value of the shock absorber provided by any embodiment of the present invention.
From the above description of embodiments, it will be clear to a person skilled in the art that the present invention may be implemented by means of software and necessary general purpose hardware, but of course also by means of hardware, although in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, etc., and include several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments of the present invention.
It should be noted that, in the embodiment of the device for determining a damping value of a shock absorber, each unit and module included are only divided according to the functional logic, but not limited to the above-mentioned division, so long as the corresponding functions can be implemented; in addition, the specific names of the functional units are also only for distinguishing from each other, and are not used to limit the protection scope of the present invention.
Example five
Fig. 4 is a schematic structural diagram of a damping value determining system of a shock absorber according to a fifth embodiment of the present invention. The shock absorber damping value determination system includes a signal acquisition input module 410, a signal control module 420, and a signal execution module 430.
The signal acquisition input module 410 is configured to acquire each vehicle description signal, obtain a vehicle description information set, and transmit the vehicle description information set to the signal control module 420; the signal acquisition input module 410 includes at least one of: the system comprises a height signal acquisition and processing unit, a bus signal acquisition and processing unit and an acceleration angular velocity signal acquisition and processing unit;
the signal control module 420 is configured to implement the shock absorber damping value determination method according to any one of the claims;
the signal execution module 430 is configured to receive the damper damping value fed back by the signal control module, and adjust the target vehicle according to the damper damping value.
The height signal acquisition processing unit can acquire a vehicle height signal; the bus signal acquisition processing unit can acquire steering wheel rotation angle, vehicle speed, master cylinder pressure and accelerator pedal opening; the acceleration and angular velocity signal acquisition processing unit can acquire acceleration and angular velocity signals of the vehicle body.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (11)
1. A method for determining a damping value of a shock absorber, comprising:
acquiring and calculating a vehicle description current set according to a vehicle description information set of a target vehicle to be adjusted;
acquiring a vehicle state and a damper comfort value of the target vehicle, and determining a damping adjustment current according to the vehicle state, the damper comfort value and the vehicle description current set through a preset vehicle damping adjustment current formula;
and calculating the damping value of the shock absorber according to the damping adjustment current so as to adjust the target vehicle according to the determined damping value of the shock absorber.
2. The method of claim 1, wherein the vehicle description information set is comprised of a plurality of vehicle description signals acquired by a signal acquisition module, and the vehicle description information set includes at least one of: a vehicle height signal, a vehicle acceleration and angular velocity signal, a steering wheel angle, a vehicle speed, a master cylinder pressure and an accelerator pedal opening;
the obtaining and calculating a vehicle description current set according to a vehicle description information set of a target vehicle to be adjusted comprises the following steps:
according to the vehicle description information set, calculating to obtain a first basic current, a second basic current, a first shed control current, a second shed control current, an upper current limit and a lower current limit;
the first basic current and the first awning control current are currents obtained in a soft mode of the shock absorber, and the second basic current and the second awning control current are currents obtained in a hard mode of the shock absorber.
3. The method of claim 2, wherein the obtaining the vehicle state and the damper comfort value of the target vehicle and determining the damping adjustment current from the vehicle state, the damper comfort value, and the vehicle description current set by a preset vehicle damping adjustment current formula comprises:
acquiring a vehicle state and a damper comfort value of a target vehicle;
if the vehicle state is a vehicle running state, determining a damping adjustment current according to a preset vehicle running damping adjustment current formula, the vehicle description current set and a damper comfort level value;
and if the vehicle state is a vehicle stationary state, determining a damping adjustment current according to a preset vehicle stationary damping adjustment current formula, the vehicle description current set and the damper comfort level value.
4. The method of claim 3, wherein determining the damping adjustment current based on a predetermined vehicle travel damping adjustment current formula, the vehicle description current set, and the shock absorber comfort value comprises:
according to a preset vehicle running damping adjustment current formula, the vehicle description current set and the damper comfort level value, calculating to obtain a third basic current and a third canopy control current;
and carrying out current arbitration operation according to the third basic current and the third canopy control current through a preset current arbitration rule, and determining the damping adjustment current.
5. The method of claim 4, wherein calculating a third base current and a third canopy control current according to a preset vehicle travel damping adjustment current formula, the vehicle description current set, and the shock absorber comfort value comprises:
according to formula I j3 ＝I j1 +(I j2 -I j1 ) A), calculating to obtain the third basic current I j3 ；
According to formula I t3 ＝I t1 +(I t2 -I t1 ) A), calculating to obtain the third canopy control current I t3 ；
Wherein I is j1 Representing a first base current; i j2 Representing a second base current; a represents the comfort value of the shock absorber, and the value of a is [0, 100 ]]；I t1 Representing a first shed control current; i t2 Representing the second canopy control current.
6. The method of claim 5, wherein determining the damping-adjusted current by performing a current arbitration operation according to the third base current and a third canopy control current via a preset current arbitration rule comprises:
acquiring the correlation between a pre-stored shock absorber and the current magnitude;
when the correlation is positive correlation, selecting the current with the largest current as the damping adjustment current from the third basic current and the third canopy control current;
and when the correlation is negative, selecting the current with the smallest current from the third basic current and the third canopy control current as the damping adjustment current.
7. A method according to claim 3, wherein said determining a damping adjustment current based on a predetermined vehicle stationary damping adjustment current formula, said vehicle description current set and a shock absorber comfort value comprises:
according to formula I z ＝I lower +(I upper -I lower ) A), calculating the damping adjustment current I z ；
Wherein I is upper Indicating the upper limit of current, I lower Indicating the lower current limit.
8. A shock absorber damping value determining apparatus, comprising:
the vehicle description current set calculation module is used for obtaining and calculating a vehicle description current set according to a vehicle description information set of a target vehicle to be adjusted;
the damping adjustment current determining module is used for obtaining the vehicle state and the damper comfort level value of the target vehicle, and determining damping adjustment current according to the vehicle state, the damper comfort level value and the vehicle description current set through a preset vehicle damping adjustment current formula;
and the damper damping value calculation module is used for calculating the damper damping value according to the damping adjustment current so as to adjust the target vehicle according to the determined damper damping value.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of determining the damping value of a shock absorber according to any of claims 1-7 when executing the computer program.
10. A computer readable storage medium storing computer instructions for causing a processor to perform the method of determining a damping value of a shock absorber according to any one of claims 1 to 7.
11. The system comprises a signal acquisition input module, a signal control module and a signal execution module;
the signal acquisition input module is used for acquiring each vehicle description signal to obtain a vehicle description information set, and transmitting the vehicle description information set to the signal control module; the signal acquisition input module comprises at least one of the following: the system comprises a height signal acquisition and processing unit, a bus signal acquisition and processing unit and an acceleration angular velocity signal acquisition and processing unit;
the signal control module is used for executing the method for determining the damping value of the shock absorber according to any one of claims 1 to 7;
the signal execution module is used for receiving the damper damping value fed back by the signal control module and adjusting the target vehicle according to the damper damping value.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117081463A (en) * | 2023-10-17 | 2023-11-17 | 深圳市恒永达科技股份有限公司 | Damping motor driving control method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117081463A (en) * | 2023-10-17 | 2023-11-17 | 深圳市恒永达科技股份有限公司 | Damping motor driving control method and device |
| CN117081463B (en) * | 2023-10-17 | 2024-02-02 | 深圳市恒永达科技股份有限公司 | Damping motor driving control method and device |
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