CN113879063B - Vehicle suspension adjustment method, device, nonvolatile storage medium and processor - Google Patents
Vehicle suspension adjustment method, device, nonvolatile storage medium and processor Download PDFInfo
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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
- B60G17/0152—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 action on a particular type of suspension unit
- B60G17/0157—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 action on a particular type of suspension unit non-fluid unit, e.g. electric motor
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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
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0528—Pressure regulating or air filling valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/20—Spring action or springs
- B60G2500/204—Pressure regulating valves for air-springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
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Abstract
The invention discloses a vehicle suspension adjusting method, a device, a nonvolatile storage medium and a processor, wherein the vehicle suspension adjusting method comprises the following steps: determining a plurality of height adjustment amounts at positions of a frame of the vehicle corresponding to the plurality of suspensions; determining a plurality of target adjustment distances corresponding to a plurality of suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions; the plurality of suspensions are adjusted according to the plurality of target adjustment distances. The vehicle suspension adjusting method solves the problem that the vehicle suspension in the prior art is inconvenient to adjust due to disturbance.
Description
Technical Field
The invention relates to the field of vehicle suspension adjustment, in particular to a vehicle suspension adjustment method, a device, a nonvolatile storage medium and a processor.
Background
After the vehicle suspension system is installed, calibration is needed, namely, each suspension is adjusted, so that the vehicle body is kept horizontal, and the height of the vehicle body is in a proper position.
In the prior art, taking an electronic control air suspension system (ECAS) as an example, when calibrating each axle suspension, a technician carries a computer, firstly measures the height value of one axle, then sends a command to an ECU through a computer end to control an electromagnetic valve to adjust the height of each axle so as to enable the single axle to reach a target position, and then measures and calibrates other axles after completing calibration of one axle. The vehicle body is usually not in a horizontal state after the four shafts are calibrated in sequence respectively, because each shaft is mutually influenced, the heights of other three shafts are also changed when the first shaft is calibrated by inflation and deflation, and the other three shafts are not in the original target position after the fourth shaft is calibrated according to the operation mode.
Therefore, in the prior art, because mutual disturbance exists between the suspensions, the suspensions which are already regulated can be disturbed after other suspensions are regulated, so that errors occur, multiple correction and regulation are required, and the regulation is inconvenient.
In view of the above problems, no effective solution has been proposed at present.
The above information disclosed in the background section is only for enhancement of understanding of the background of the technology described herein. Accordingly, the background art may contain some information that is not otherwise known to those of skill in the art.
Disclosure of Invention
The embodiment of the invention provides a vehicle suspension adjusting method, a device, a nonvolatile storage medium and a processor, which are used for at least solving the problem that the adjustment is inconvenient due to disturbance of the vehicle suspension in the prior art.
In order to achieve the above object, according to a first aspect of the embodiments of the present invention, there is provided a vehicle suspension adjustment method including: determining a plurality of height adjustment amounts at positions of a frame of the vehicle corresponding to the plurality of suspensions; determining a plurality of target adjustment distances corresponding to a plurality of suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions; the plurality of suspensions are adjusted according to the plurality of target adjustment distances.
Further, the mutual disturbance relation during the adjustment of the suspensions comprises the mutual disturbance ratio of the suspensions; according to the mutual disturbance relation between the height adjustment amounts and the suspension adjustment, determining a plurality of target adjustment distances corresponding to the suspensions comprises the following steps: and calculating a plurality of target adjustment distances corresponding to the suspensions according to the height adjustment amounts and the disturbance ratios.
Further, calculating a plurality of target adjustment distances corresponding to the plurality of suspensions according to the plurality of height adjustment amounts and the plurality of disturbance ratios, including: according to the system of equations
Calculating a plurality ofA plurality of target adjustment distances corresponding to the suspension; wherein n is a natural number greater than 1, T 1 Adjusting the distance T for the corresponding target of the first suspension 2 Adjusting the distance, T, for the target corresponding to the second suspension 3 Adjusting the distance, T, for the target corresponding to the third suspension n Adjusting the distance for a target corresponding to the nth suspension; lambda (lambda) 1_2 For the disturbance ratio, lambda, of the first suspension to the second suspension during adjustment 1_3 For the disturbance ratio, lambda, of the first suspension to the third suspension during adjustment 1_n For the disturbance ratio of the first suspension to the nth suspension, lambda 2_1 For the disturbance ratio, lambda, of the second suspension to the first suspension during adjustment 2_3 For the disturbance ratio of the second suspension to the third suspension, lambda 2_n For the disturbance ratio of the second suspension to the nth suspension, lambda 3_1 For the disturbance ratio, lambda, of the third suspension to the first suspension during adjustment 3_2 For the disturbance ratio lambda of the third suspension to the second suspension during the adjustment 3_n For the disturbance ratio lambda of the nth suspension during the adjustment of the third suspension n_1 For the disturbance ratio, lambda, of the nth suspension to the first suspension during adjustment n_2 For the disturbance ratio lambda of the nth suspension to the second suspension during adjustment n_3 The disturbance ratio of the nth suspension to the third suspension during adjustment; delta 1 For height adjustment, delta, at the position of the frame corresponding to the first suspension 2 For height adjustment, delta, at the position of the frame corresponding to the second suspension 3 For the height adjustment amount, delta, at the position of the frame corresponding to the third suspension n Is the height adjustment amount at the position of the frame corresponding to the nth suspension.
Further, before determining a plurality of target adjustment distances corresponding to the plurality of suspensions according to the plurality of height adjustment amounts and the mutual disturbance relation at the time of the plurality of suspension adjustments, the vehicle suspension adjustment method further includes: sequentially adjusting the suspensions to obtain the adjustment quantity of the adjusted suspension and the disturbance quantity generated by other suspensions; based on the adjustment amount and the respective disturbance amounts, a disturbance relation between the adjusted suspension and the other suspensions is determined.
Further, the adjustment amount is greater than a preset amount δ; and/or determining a disturbance relationship between the adjusted suspension and the other suspensions based on the adjustment amount and the respective disturbance amounts, including: and respectively calculating the ratio of the adjustment quantity to the disturbance quantities to obtain the disturbance ratio of the adjusted suspension to other suspensions.
Further, calculating a plurality of target adjustment distances corresponding to the plurality of suspensions according to the plurality of height adjustment amounts and the plurality of disturbance ratios, including: according to the system of equations
Calculating a plurality of target adjustment distances corresponding to the suspensions; wherein T is 1 Adjusting the distance T for the corresponding target of the first suspension 2 Adjusting the distance, T, for the target corresponding to the second suspension 3 Adjusting the distance, T, for the target corresponding to the third suspension 4 Adjusting the distance for a target corresponding to the fourth suspension; lambda (lambda) 1_2 For the disturbance ratio, lambda, of the first suspension to the second suspension during adjustment 1_3 For the disturbance ratio, lambda, of the first suspension to the third suspension during adjustment 1_4 For the disturbance ratio, lambda, of the first suspension to the fourth suspension during adjustment 2_1 For the disturbance ratio, lambda, of the second suspension to the first suspension during adjustment 2_3 For the disturbance ratio of the second suspension to the third suspension, lambda 2_4 For the disturbance ratio of the second suspension to the fourth suspension, lambda 3_1 For the disturbance ratio, lambda, of the third suspension to the first suspension during adjustment 3_2 For the disturbance ratio lambda of the third suspension to the second suspension during the adjustment 3_4 For the disturbance ratio lambda of the third suspension to the fourth suspension during the adjustment 4_1 For the disturbance ratio, lambda, of the fourth suspension to the first suspension during adjustment 4_2 For the disturbance ratio lambda of the fourth suspension to the second suspension during the adjustment 4_3 The disturbance ratio of the fourth suspension to the third suspension during the adjustment; delta 1 For height adjustment, delta, at the position of the frame corresponding to the first suspension 2 For height adjustment, delta, at the position of the frame corresponding to the second suspension 3 For the height adjustment amount, delta, at the position of the frame corresponding to the third suspension 4 Is the height adjustment amount at the position of the frame corresponding to the fourth suspension.
Further, the suspension of the vehicle is an electrically controlled air suspension, and the plurality of suspensions are adjusted according to a plurality of target adjustment distances, including: the electromagnetic valve of each suspension is controlled to work so as to charge or discharge the air spring of each suspension, and the adjustment target of each suspension adjusts the distance.
Further, determining a plurality of height adjustment amounts at positions of a frame of the vehicle corresponding to the plurality of suspensions includes: receiving the current ground clearance height and the target ground clearance height of a plurality of reference positions of the frame input by a user, wherein each reference position is a position corresponding to each suspension of the frame; and calculating the difference value between the plurality of target ground clearance heights and the corresponding current ground clearance heights to obtain a plurality of height adjustment amounts.
According to a second aspect of the embodiment of the present invention, there is provided a vehicle suspension adjustment device including: a first determination unit configured to determine a plurality of height adjustment amounts at positions of a frame of a vehicle corresponding to a plurality of suspensions; a second determining unit for determining a plurality of target adjustment distances corresponding to the suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions; and the adjusting unit is used for adjusting the suspensions according to the target adjusting distances.
According to a third aspect of the embodiment of the present invention, there is provided a nonvolatile storage medium including a stored program, wherein a device on which the nonvolatile storage medium is controlled to execute the above-described vehicle suspension adjustment method when the program runs.
According to a fourth aspect of the embodiment of the present invention, there is provided a processor for running a program, wherein the program executes the vehicle suspension adjustment method described above when running.
The vehicle suspension adjusting method applying the technical scheme of the invention comprises the following steps: determining a plurality of height adjustment amounts at positions of a frame of the vehicle corresponding to the plurality of suspensions; determining a plurality of target adjustment distances corresponding to a plurality of suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions; the plurality of suspensions are adjusted according to the plurality of target adjustment distances. According to the vehicle suspension adjusting method, firstly, a plurality of height adjusting quantities of the positions of the frame corresponding to the suspensions are determined according to the vehicle adjusting requirement, on the basis, the target adjusting distances corresponding to the suspensions are directly determined by combining the mutual disturbance relation among the suspensions, the corresponding suspensions are adjusted according to the determined target adjusting distances, the desired adjusting effect can be achieved in one step, the frame after adjustment meets the expected condition, compared with the prior art, the condition that errors occur in the adjusted suspensions due to disturbance exist after adjustment of other suspensions is avoided, multiple correction and adjustment are not needed, the suspension adjusting step is effectively simplified, and the problem that the vehicle suspensions in the prior art are inconvenient to adjust due to disturbance exists among the suspensions is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic flow chart diagram of an alternative embodiment of a vehicle suspension adjustment method according to the present invention;
fig. 2 is a schematic view of an alternative embodiment of a vehicle suspension adjustment device according to the present invention.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
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 "first," "second," and the like in the description and the claims of the present invention and the above figures 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.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Furthermore, in the description and in the claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
Fig. 1 is a vehicle suspension adjustment method according to an embodiment of the present invention, as shown in fig. 1, including the steps of:
step S102, determining a plurality of height adjustment amounts at positions of a frame of the vehicle corresponding to a plurality of suspensions;
step S104, determining a plurality of target adjustment distances corresponding to a plurality of suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions;
step S106, adjusting the suspensions according to the target adjustment distances.
The vehicle suspension adjusting method adopting the scheme comprises the following steps: determining a plurality of height adjustment amounts at positions of a frame of the vehicle corresponding to the plurality of suspensions; determining a plurality of target adjustment distances corresponding to a plurality of suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions; the plurality of suspensions are adjusted according to the plurality of target adjustment distances. According to the vehicle suspension adjusting method, firstly, a plurality of height adjusting quantities of the positions of the frame corresponding to the suspensions are determined according to the vehicle adjusting requirement, on the basis, the target adjusting distances corresponding to the suspensions are directly determined by combining the mutual disturbance relation among the suspensions, the corresponding suspensions are adjusted according to the determined target adjusting distances, the desired adjusting effect can be achieved in one step, the frame after adjustment meets the expected condition, compared with the prior art, the condition that errors occur in the adjusted suspensions due to disturbance exist after adjustment of other suspensions is avoided, multiple correction and adjustment are not needed, the suspension adjusting step is effectively simplified, and the problem that the vehicle suspensions in the prior art are inconvenient to adjust due to disturbance exists among the suspensions is solved.
Specifically, the mutual disturbance relation during the adjustment of the suspensions comprises the mutual disturbance ratio of the suspensions; according to the mutual disturbance relation between the height adjustment amounts and the suspension adjustment, determining a plurality of target adjustment distances corresponding to the suspensions comprises the following steps: and calculating a plurality of target adjustment distances corresponding to the suspensions according to the height adjustment amounts and the disturbance ratios.
Specifically, according to a plurality of height adjustment amounts and a plurality of disturbance ratios, a plurality of target adjustment distances corresponding to a plurality of suspensions are calculated, including: according to the system of equations
Calculating a plurality of target adjustment distances corresponding to the suspensions; wherein n is a natural number greater than 1, T 1 Adjusting the distance T for the corresponding target of the first suspension 2 Adjusting the distance, T, for the target corresponding to the second suspension 3 Adjusting the distance, T, for the target corresponding to the third suspension n Adjusting the distance for a target corresponding to the nth suspension; lambda (lambda) 1_2 For the disturbance ratio, lambda, of the first suspension to the second suspension during adjustment 1_3 For the disturbance ratio, lambda, of the first suspension to the third suspension during adjustment 1_n For the disturbance ratio of the first suspension to the nth suspension, lambda 2_1 For the disturbance ratio, lambda, of the second suspension to the first suspension during adjustment 2_3 Adjusting for the second suspensionDisturbance ratio of time to third suspension, lambda 2_n For the disturbance ratio of the second suspension to the nth suspension, lambda 3_1 For the disturbance ratio, lambda, of the third suspension to the first suspension during adjustment 3_2 For the disturbance ratio lambda of the third suspension to the second suspension during the adjustment 3_n For the disturbance ratio lambda of the nth suspension during the adjustment of the third suspension n_1 For the disturbance ratio, lambda, of the nth suspension to the first suspension during adjustment n_2 For the disturbance ratio lambda of the nth suspension to the second suspension during adjustment n_3 The disturbance ratio of the nth suspension to the third suspension during adjustment; delta 1 For height adjustment, delta, at the position of the frame corresponding to the first suspension 2 For height adjustment, delta, at the position of the frame corresponding to the second suspension 3 For the height adjustment amount, delta, at the position of the frame corresponding to the third suspension n Is the height adjustment amount at the position of the frame corresponding to the nth suspension.
That is, the height adjustment amount of the position of the frame corresponding to each suspension is equal to the target adjustment distance of the corresponding suspension plus the interference amount of other suspensions during adjustment, the target adjustment distance corresponding to each suspension can be obtained by solving the equation set, and the corresponding adjustment of each suspension is only needed according to each target adjustment distance, so that the disturbance effect among the suspensions can be integrated after each suspension is adjusted, the adjustment of the frame meets the initial expectation, namely, the height adjustment amount of the position of the frame corresponding to each suspension reaches the expected value, the purpose of one-time adjustment is realized, and the problem that the vehicle suspension in the prior art is inconvenient to adjust due to disturbance among the suspensions is solved.
It should be noted that the above equation set is merely a representation form adopted for better showing the rule, where the specific value of n is consistent with the number of suspensions of the vehicle, and the equation set is applicable to an adjustment process of a vehicle with a plurality of suspensions, and can better consider mutual disturbance between suspension adjustment, where n is a natural number greater than 1, that is, n may be 2 or 3, and not necessarily greater than 3, when n is 2, there are only two suspensions, and when n is 3, there are only three suspensions, and the equation set has only three equations.
Before determining the target adjustment distances corresponding to the suspensions according to the height adjustment amounts and the disturbance relation during suspension adjustment, the vehicle suspension adjustment method further comprises: sequentially adjusting the suspensions to obtain the adjustment quantity of the adjusted suspension and the disturbance quantity generated by other suspensions; based on the adjustment amount and the respective disturbance amounts, a disturbance relation between the adjusted suspension and the other suspensions is determined.
Specifically, the adjustment amount is greater than a preset amount δ; and/or determining a disturbance relationship between the adjusted suspension and the other suspensions based on the adjustment amount and the respective disturbance amounts, including: and respectively calculating the ratio of the adjustment quantity to the disturbance quantities to obtain the disturbance ratio of the adjusted suspension to other suspensions.
In this embodiment, calculating a plurality of target adjustment distances corresponding to a plurality of suspensions according to a plurality of height adjustment amounts and a plurality of disturbance ratios includes: according to the system of equations
Calculating a plurality of target adjustment distances corresponding to the suspensions; wherein T is 1 Adjusting the distance T for the corresponding target of the first suspension 2 Adjusting the distance, T, for the target corresponding to the second suspension 3 Adjusting the distance, T, for the target corresponding to the third suspension 4 Adjusting the distance for a target corresponding to the fourth suspension; lambda (lambda) 1_2 For the disturbance ratio, lambda, of the first suspension to the second suspension during adjustment 1_3 For the disturbance ratio, lambda, of the first suspension to the third suspension during adjustment 1_4 For the disturbance ratio, lambda, of the first suspension to the fourth suspension during adjustment 2_1 For the disturbance ratio, lambda, of the second suspension to the first suspension during adjustment 2_3 For the disturbance ratio of the second suspension to the third suspension, lambda 2_4 For the disturbance ratio of the second suspension to the fourth suspension, lambda 3_1 For the disturbance ratio, lambda, of the third suspension to the first suspension during adjustment 3_2 For the disturbance ratio lambda of the third suspension to the second suspension during the adjustment 3_4 For the disturbance ratio lambda of the third suspension to the fourth suspension during the adjustment 4_1 For the disturbance ratio, lambda, of the fourth suspension to the first suspension during adjustment 4_2 For the disturbance ratio lambda of the fourth suspension to the second suspension during the adjustment 4_3 The disturbance ratio of the fourth suspension to the third suspension during the adjustment; delta 1 For height adjustment, delta, at the position of the frame corresponding to the first suspension 2 For height adjustment, delta, at the position of the frame corresponding to the second suspension 3 For the height adjustment amount, delta, at the position of the frame corresponding to the third suspension 4 Is the height adjustment amount at the position of the frame corresponding to the fourth suspension.
That is, in this embodiment, the vehicle has four suspensions, and when the four suspensions are adjusted, there is a disturbance between them, and four target adjustment distances corresponding to the four suspensions are calculated by using the above equation set, and based on this, the four suspensions can be accurately adjusted in place at a time.
Specifically, the suspension of the vehicle is an electrically controlled air suspension, and the suspension is adjusted according to a plurality of target adjustment distances, including: the electromagnetic valve of each suspension is controlled to work so as to charge or discharge the air spring of each suspension, and the adjustment target of each suspension adjusts the distance.
Determining a plurality of height adjustment amounts at positions of a frame of a vehicle corresponding to a plurality of suspensions, comprising: receiving the current ground clearance height and the target ground clearance height of a plurality of reference positions of the frame input by a user, wherein each reference position is a position corresponding to each suspension of the frame; and calculating the difference value between the plurality of target ground clearance heights and the corresponding current ground clearance heights to obtain a plurality of height adjustment amounts.
Next, as shown in fig. 2, an embodiment of the present invention also provides a vehicle suspension adjustment device including: a first determination unit configured to determine a plurality of height adjustment amounts at positions of a frame of a vehicle corresponding to a plurality of suspensions; a second determining unit for determining a plurality of target adjustment distances corresponding to the suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions; and the adjusting unit is used for adjusting the suspensions according to the target adjusting distances.
The mutual disturbance relation during the adjustment of the suspensions comprises the mutual disturbance ratio of the suspensions; the second determining unit is used for: and calculating a plurality of target adjustment distances corresponding to the suspensions according to the height adjustment amounts and the disturbance ratios.
Specifically, the second determining unit is configured to: according to the system of equations
Calculating a plurality of target adjustment distances corresponding to the suspensions; wherein n is a natural number greater than 1, T 1 Adjusting the distance T for the corresponding target of the first suspension 2 Adjusting the distance, T, for the target corresponding to the second suspension 3 Adjusting the distance, T, for the target corresponding to the third suspension n Adjusting the distance for a target corresponding to the nth suspension; lambda (lambda) 1_2 For the disturbance ratio, lambda, of the first suspension to the second suspension during adjustment 1_3 For the disturbance ratio, lambda, of the first suspension to the third suspension during adjustment 1_n For the disturbance ratio of the first suspension to the nth suspension, lambda 2_1 For the disturbance ratio, lambda, of the second suspension to the first suspension during adjustment 2_3 For the disturbance ratio of the second suspension to the third suspension, lambda 2_n For the disturbance ratio of the second suspension to the nth suspension, lambda 3_1 For the disturbance ratio, lambda, of the third suspension to the first suspension during adjustment 3_2 For the disturbance ratio lambda of the third suspension to the second suspension during the adjustment 3_n For the disturbance ratio lambda of the nth suspension during the adjustment of the third suspension n_1 For the disturbance ratio, lambda, of the nth suspension to the first suspension during adjustment n_2 For the disturbance ratio lambda of the nth suspension to the second suspension during adjustment n_3 The disturbance ratio of the nth suspension to the third suspension during adjustment; delta 1 For height adjustment, delta, at the position of the frame corresponding to the first suspension 2 For height adjustment, delta, at the position of the frame corresponding to the second suspension 3 For the height adjustment amount, delta, at the position of the frame corresponding to the third suspension n Is the height adjustment amount at the position of the frame corresponding to the nth suspension.
The vehicle suspension adjustment apparatus further includes an acquisition unit and a third determination unit: the acquisition unit is used for sequentially adjusting the suspensions before determining a plurality of target adjustment distances corresponding to the suspensions according to the height adjustment amounts and the mutual disturbance relations during adjustment of the suspensions, and acquiring the adjustment amounts of the adjusted suspensions and the disturbance amounts generated by other suspensions; the third determination unit is used for determining the disturbance relation between the adjusted suspension and other suspensions according to the adjustment quantity and each disturbance quantity.
Specifically, the adjustment amount is greater than a preset amount δ; and/or, the third determining unit is used for: and respectively calculating the ratio of the adjustment quantity to the disturbance quantities to obtain the disturbance ratio of the adjusted suspension to other suspensions.
In this embodiment, the second determining unit is configured to: according to the system of equations
Calculating a plurality of target adjustment distances corresponding to the suspensions; wherein T is 1 Adjusting the distance T for the corresponding target of the first suspension 2 Adjusting the distance, T, for the target corresponding to the second suspension 3 Adjusting the distance, T, for the target corresponding to the third suspension 4 Adjusting the distance for a target corresponding to the fourth suspension; lambda (lambda) 1_2 For the disturbance ratio, lambda, of the first suspension to the second suspension during adjustment 1_3 For the disturbance ratio, lambda, of the first suspension to the third suspension during adjustment 1_4 For the disturbance ratio, lambda, of the first suspension to the fourth suspension during adjustment 2_1 For the disturbance ratio, lambda, of the second suspension to the first suspension during adjustment 2_3 For the disturbance ratio of the second suspension to the third suspension, lambda 2_4 For the disturbance ratio of the second suspension to the fourth suspension, lambda 3_1 For the disturbance ratio, lambda, of the third suspension to the first suspension during adjustment 3_2 For the disturbance ratio lambda of the third suspension to the second suspension during the adjustment 3_4 For the disturbance ratio lambda of the third suspension to the fourth suspension during the adjustment 4_1 For the disturbance ratio, lambda, of the fourth suspension to the first suspension during adjustment 4_2 For the disturbance ratio lambda of the fourth suspension to the second suspension during the adjustment 4_3 The disturbance ratio of the fourth suspension to the third suspension during the adjustment; delta 1 For height adjustment, delta, at the position of the frame corresponding to the first suspension 2 For height adjustment of the frame at a position corresponding to the second suspension，Δ 3 For the height adjustment amount, delta, at the position of the frame corresponding to the third suspension 4 Is the height adjustment amount at the position of the frame corresponding to the fourth suspension.
Specifically, the adjustment unit is used for: the electromagnetic valve of each suspension is controlled to work so as to charge or discharge the air spring of each suspension, and the adjustment target of each suspension adjusts the distance.
Specifically, the first determination unit includes a reception unit and a calculation unit: the receiving unit is used for receiving the current ground clearance and the target ground clearance of a plurality of reference positions of the frame input by a user, wherein each reference position is a position corresponding to each suspension of the frame; the calculating unit is used for calculating the difference value between the plurality of target ground clearance heights and the corresponding current ground clearance heights to obtain a plurality of height adjustment amounts.
In addition, the embodiment of the invention also provides a nonvolatile storage medium, which comprises a stored program, wherein the device where the nonvolatile storage medium is controlled to execute the vehicle suspension adjusting method when the program runs.
Finally, the embodiment of the invention also provides a processor, which is used for running a program, wherein the program runs to execute the vehicle suspension adjusting method.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments. Moreover, the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that herein.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A vehicle suspension adjustment method, characterized by comprising:
determining a plurality of height adjustment amounts at positions of a frame of the vehicle corresponding to the plurality of suspensions;
determining a plurality of target adjustment distances corresponding to a plurality of suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions;
adjusting a plurality of the suspensions according to a plurality of the target adjustment distances,
the mutual disturbance relation during the adjustment of the suspensions comprises a mutual disturbance ratio of the suspensions; determining a plurality of target adjustment distances corresponding to a plurality of suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions, wherein the target adjustment distances comprise:
and calculating a plurality of target adjustment distances corresponding to a plurality of suspensions according to a plurality of height adjustment amounts and a plurality of disturbance ratios, wherein the disturbance ratios are ratios of the adjustment amounts of the suspensions to be adjusted to disturbance amounts generated by other suspensions.
2. The vehicle suspension adjustment method according to claim 1, characterized in that calculating a plurality of the target adjustment distances corresponding to a plurality of the suspensions based on a plurality of the height adjustment amounts and a plurality of the disturbance ratios, comprises:
according to the system of equations
Calculating a plurality of target adjustment distances corresponding to a plurality of suspensions;
wherein n is a natural number greater than 1, T 1 For the target corresponding to the first suspensionDistance of section T 2 Adjusting the distance T for the target corresponding to the second suspension 3 Adjusting the distance T for the target corresponding to the third suspension n Adjusting the distance for the target corresponding to the nth suspension;
λ 1_2 for the disturbance ratio, lambda, of the first suspension to the second suspension when adjusting 1_3 For the disturbance ratio, lambda, of the first suspension to the third suspension when adjusted 1_n For the disturbance ratio, lambda, of the nth suspension when the first suspension is adjusted 2_1 For the disturbance ratio, lambda, of the second suspension to the first suspension when adjusting 2_3 For the disturbance ratio, lambda, of the third suspension when the second suspension is adjusted 2_n For the disturbance ratio, lambda, of the nth suspension when the second suspension is adjusted 3_1 For the disturbance ratio, lambda, of the third suspension to the first suspension when adjusting 3_2 For the disturbance ratio, lambda, of the third suspension to the second suspension when adjusting 3_n For the disturbance ratio, lambda, of the nth suspension when the third suspension is adjusted n_1 For the disturbance ratio, lambda, of the nth suspension to the first suspension when adjusted n_2 For the disturbance ratio, lambda, of the nth suspension to the second suspension when adjusted n_3 A disturbance ratio to the third suspension when adjusted for the nth suspension;
Δ 1 for the height adjustment amount, delta, of the frame at the position corresponding to the first suspension 2 For the height adjustment amount, delta, of the frame at the position corresponding to the second suspension 3 For the height adjustment amount, delta, of the frame at the position corresponding to the third suspension n And the height adjustment amount is the height adjustment amount of the frame at the position corresponding to the nth suspension.
3. The vehicle suspension adjustment method according to any one of claims 1 to 2, characterized in that before determining a plurality of target adjustment distances corresponding to a plurality of the suspensions, based on a mutual disturbance relation at the time of a plurality of the height adjustment amounts and a plurality of the suspension adjustments, the vehicle suspension adjustment method further comprises:
sequentially adjusting a plurality of suspensions to obtain the adjustment quantity of the adjusted suspensions and the disturbance quantity generated by other suspensions;
and determining the disturbance relation between the adjusted suspension and other suspensions according to the adjustment quantity and each disturbance quantity.
4. A vehicle suspension adjustment method according to claim 3, characterized in that the adjustment amount is larger than a preset amount δ; and/or the number of the groups of groups,
determining a disturbance relationship between the adjusted suspension and the other suspensions based on the adjustment amount and each of the disturbance amounts, including: and respectively calculating the ratio of the adjustment quantity to the disturbance quantities to obtain the disturbance ratio of the adjusted suspension to each other suspension.
5. The vehicle suspension adjustment method according to claim 1, characterized in that calculating a plurality of the target adjustment distances corresponding to a plurality of the suspensions based on a plurality of the height adjustment amounts and a plurality of the disturbance ratios, comprises:
according to the system of equations
Calculating a plurality of target adjustment distances corresponding to a plurality of suspensions;
wherein T is 1 Adjusting the distance T for the target corresponding to the first suspension 2 Adjusting the distance T for the target corresponding to the second suspension 3 Adjusting the distance T for the target corresponding to the third suspension 4 Adjusting the distance for the target corresponding to the fourth suspension;
λ 1_2 for the disturbance ratio, lambda, of the first suspension to the second suspension when adjusting 1_3 For the disturbance ratio, lambda, of the first suspension to the third suspension when adjusted 1_4 For the disturbance ratio, lambda, of the first suspension to the fourth suspension when adjusted 2_1 For the disturbance ratio, lambda, of the second suspension to the first suspension when adjusting 2_3 Adjusting the third suspension for the second suspensionDisturbance ratio lambda of 2_4 For the disturbance ratio, lambda, of the second suspension to the fourth suspension when adjusting 3_1 For the disturbance ratio, lambda, of the third suspension to the first suspension when adjusting 3_2 For the disturbance ratio, lambda, of the third suspension to the second suspension when adjusting 3_4 For the disturbance ratio, lambda, of the fourth suspension when the third suspension is adjusted 4_1 For the disturbance ratio, lambda, of the fourth suspension to the first suspension when adjusting 4_2 For the disturbance ratio, lambda, of the fourth suspension to the second suspension when adjusting 4_3 A disturbance ratio to the third suspension when adjusted for the fourth suspension;
Δ 1 for the height adjustment amount, delta, of the frame at the position corresponding to the first suspension 2 For the height adjustment amount, delta, of the frame at the position corresponding to the second suspension 3 For the height adjustment amount, delta, of the frame at the position corresponding to the third suspension 4 And the height adjustment amount is the height adjustment amount of the frame at the position corresponding to the fourth suspension.
6. The vehicle suspension adjustment method according to claim 1, wherein the suspension of the vehicle is an electrically controlled air suspension, and adjusting a plurality of the suspensions according to a plurality of the target adjustment distances includes:
and controlling the electromagnetic valve of each suspension to work so as to charge or discharge the air spring of each suspension, so that each suspension can adjust the target adjustment distance.
7. The vehicle suspension adjustment method according to claim 1, characterized in that determining a plurality of height adjustment amounts at positions of a frame of the vehicle corresponding to the plurality of suspensions, includes:
receiving the current ground clearance height and the target ground clearance height of a plurality of reference positions of the frame, which are input by a user, wherein each reference position is a position corresponding to each suspension of the frame;
and calculating the difference values of the plurality of target ground clearance heights and the corresponding current ground clearance heights to obtain a plurality of height adjustment amounts.
8. A vehicle suspension adjustment device characterized by comprising:
a first determination unit configured to determine a plurality of height adjustment amounts at positions of a frame of a vehicle corresponding to a plurality of suspensions;
a second determining unit for determining a plurality of target adjustment distances corresponding to a plurality of suspensions according to the height adjustment amounts and the mutual disturbance relations during adjustment of the suspensions;
the adjusting unit is used for adjusting the suspensions according to the target adjusting distances, and the mutual disturbance relation during adjusting the suspensions comprises disturbance ratios of the suspensions; determining a plurality of target adjustment distances corresponding to a plurality of suspensions according to the height adjustment amounts and the mutual disturbance relation during adjustment of the suspensions, wherein the target adjustment distances comprise:
and calculating a plurality of target adjustment distances corresponding to a plurality of suspensions according to a plurality of height adjustment amounts and a plurality of disturbance ratios, wherein the disturbance ratios are ratios of the adjustment amounts of the suspensions to be adjusted to disturbance amounts generated by other suspensions.
9. A nonvolatile storage medium, characterized in that the nonvolatile storage medium includes a stored program, wherein the program, when run, controls a device in which the nonvolatile storage medium is located to execute the vehicle suspension adjustment method according to any one of claims 1 to 7.
10. A processor for running a program, wherein the program executes the vehicle suspension adjustment method according to any one of claims 1 to 7 when running.
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| CN202111372427.0A CN113879063B (en) | 2021-11-18 | 2021-11-18 | Vehicle suspension adjustment method, device, nonvolatile storage medium and processor |
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| CN112903318A (en) * | 2021-01-27 | 2021-06-04 | 珠海格力电器股份有限公司 | Method, device and system for controlling height of vehicle suspension |
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| JP4297017B2 (en) * | 2004-09-14 | 2009-07-15 | トヨタ自動車株式会社 | Vehicle height adjustment system |
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| US4593920A (en) * | 1983-10-27 | 1986-06-10 | Nippondenso Co., Ltd. | Vehicle height control system |
| JPS6296113A (en) * | 1985-10-22 | 1987-05-02 | Toyota Motor Corp | Ground clearance adjuster for vehicle |
| JPS62178411A (en) * | 1986-01-31 | 1987-08-05 | Nissan Motor Co Ltd | Ground clearance controller |
| CN107053988A (en) * | 2015-11-27 | 2017-08-18 | 丰田自动车株式会社 | Suspension system |
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| CN113879063A (en) | 2022-01-04 |
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