Methods, devices, equipment and storage media for correcting torque fluctuation faults in transmission systems

Abstract

This invention pertains to the automotive field and discloses a method, apparatus, device, and storage medium for correcting transmission system torque fluctuation faults. The method includes: when a vehicle experiences a transmission system torque fluctuation fault, obtaining the included angle between a first plane and a second plane, wherein the first plane is the plane formed by the input shaft and intermediate shaft in the vehicle's transmission system, and the second plane is the plane formed by the intermediate shaft and output shaft in the vehicle's transmission system; adjusting the universal joint phase angle so that the difference between the universal joint phase angle and the included angle is less than a preset angle threshold; conducting a noise test on the vehicle, and when the noise test results meet preset expectations, modifying the mold of preset components so that the difference between the included angle and the initial universal joint phase angle is less than the preset angle threshold. Compared to existing methods that directly re-mold key components, the above method of this invention can reduce the cost of resolving transmission system torque fluctuation faults and improve efficiency.

Description

Technical Field

[0001] This invention relates to the field of vehicle transmission technology, and in particular to a method, apparatus, device, and storage medium for correcting transmission torque fluctuation faults. Background Technology

[0002] Truck transmission systems often use double universal joint drive shafts. When a transmission torque fluctuation fault occurs, the usual solution is to re-mold or repair the key components of the transmission system to adjust the angle between the first plane formed by the input shaft and the intermediate shaft and the second plane formed by the intermediate shaft and the output shaft, making the angle as close as possible. However, the above solution may not be able to solve the transmission torque fluctuation fault, and it requires re-mold or repair of the components, which is costly and time-consuming. Therefore, how to efficiently solve the transmission torque fluctuation fault has become an urgent technical problem to be solved.

[0003] The above content is only used to help understand the technical solution of the present invention and does not represent an admission that the above content is prior art. Summary of the Invention

[0004] The main objective of this invention is to provide a method, apparatus, device, and storage medium for correcting torque fluctuation faults in transmission systems, aiming to solve the technical problem of low efficiency in solving torque fluctuation faults in transmission systems in the prior art.

[0005] To achieve the above objectives, the present invention provides a method for correcting torque fluctuation faults in a transmission system, the method comprising the following steps:

[0006] When a vehicle has a transmission system torque fluctuation fault, the included angle between the first plane and the second plane is obtained, wherein the first plane is the plane formed by the input shaft and the intermediate shaft in the vehicle transmission system, and the second plane is the plane formed by the intermediate shaft and the output shaft in the vehicle transmission system.

[0007] Adjust the gimbal phase angle so that the difference between the gimbal phase angle and the plane is less than a preset angle threshold.

[0008] The vehicle is subjected to noise testing. When the noise test results meet the preset expectations, the preset parts are modified so that the difference between the plane angle and the initial universal joint phase angle is less than the preset angle threshold.

[0009] Optionally, before the step of obtaining the plane angle between the first plane and the second plane when a transmission system torque fluctuation fault exists, the method further includes:

[0010] Sound information during vehicle operation is collected using sound sensors installed on the vehicle.

[0011] When it is determined that the vehicle currently has an abnormal noise based on the sound information, it is determined whether the sound information has a second-order characteristic of the drive shaft speed;

[0012] If present, the vehicle is determined to have a driveshaft fault;

[0013] The presence of a transmission system torque fluctuation fault in the vehicle is determined based on the torque fluctuation excitation of the universal joint drive shaft and the drive shaft speed.

[0014] Optionally, the step of determining whether the vehicle has a transmission system torque fluctuation fault based on the torque fluctuation excitation of the universal joint driveshaft and the driveshaft speed includes:

[0015] Obtain the torque fluctuation excitation and drive shaft speed of the universal joint drive shaft;

[0016] When the torque fluctuation excitation of the universal joint drive shaft and the speed of the drive shaft meet the preset fault conditions, the vehicle is determined to have a transmission system torque fluctuation fault.

[0017] Optionally, the step of adjusting the gimbal phase angle so that the difference between the gimbal phase angle and the plane angle is less than a preset angle threshold includes:

[0018] Obtain the initial gimbal phase angle;

[0019] Determine the angle difference between the initial gimbal phase angle and the plane angle;

[0020] The gimbal phase angle is adjusted according to the angle difference so that the difference between the gimbal phase angle and the plane angle is less than a preset angle threshold.

[0021] Optionally, the step of adjusting the gimbal phase angle according to the angle difference so that the difference between the gimbal phase angle and the plane angle is less than a preset angle threshold includes:

[0022] The upper and lower joints of the intermediate shaft are rotated according to the angle difference to adjust the phase angle of the universal joint, so that the difference between the phase angle of the universal joint and the angle between the plane is less than a preset angle threshold.

[0023] Optionally, the step of obtaining the plane angle between the first plane and the second plane when the vehicle has a transmission system torque fluctuation fault includes:

[0024] When a vehicle has a transmission system torque fluctuation fault, obtain the first spatial angle formed by the input shaft and the intermediate shaft in the vehicle transmission system.

[0025] Obtain the second spatial angle formed by the intermediate shaft and the output shaft in the vehicle transmission system;

[0026] Adjust the first spatial angle and the second spatial angle so that the difference between the first spatial angle and the second spatial angle is less than a preset angle threshold;

[0027] Obtain the angle between the first plane and the second plane.

[0028] Optionally, after the step of conducting noise testing on the vehicle and, when the noise test results meet preset expectations, modifying the mold of preset components so that the difference between the plane angle and the initial universal joint phase angle is less than a preset angle threshold, the method further includes:

[0029] A noise test is conducted on the vehicle. If the noise test results meet the preset expectations, it is determined that the transmission system torque fluctuation fault has been resolved.

[0030] Furthermore, to achieve the above objectives, the present invention also provides a transmission system torque fluctuation fault correction device, the device comprising:

[0031] The plane angle determination module is used to obtain the plane angle between a first plane and a second plane when there is a transmission system torque fluctuation fault in the vehicle. The first plane is the plane formed by the input shaft and the intermediate shaft in the vehicle transmission system, and the second plane is the plane formed by the intermediate shaft and the output shaft in the vehicle transmission system.

[0032] The adjustment module is used to adjust the phase angle of the gimbal so that the difference between the phase angle of the gimbal and the angle of the plane is less than a preset angle threshold.

[0033] The noise testing module is used to conduct noise tests on vehicles. When the noise test results meet the preset expectations, the preset parts are modified so that the difference between the plane angle and the initial universal joint phase angle is less than the preset angle threshold.

[0034] Furthermore, to achieve the above objectives, the present invention also proposes a transmission system torque fluctuation fault correction device, the device comprising: a memory, a processor, and a transmission system torque fluctuation fault correction program stored in the memory and executable on the processor, the transmission system torque fluctuation fault correction program being configured to implement the steps of the transmission system torque fluctuation fault correction method as described above.

[0035] Furthermore, to achieve the above objectives, the present invention also proposes a storage medium storing a transmission system torque fluctuation fault correction program, wherein when the transmission system torque fluctuation fault correction program is executed by a processor, it implements the steps of the transmission system torque fluctuation fault correction method described above.

[0036] This invention addresses the issue of torque fluctuation in a vehicle's transmission system by obtaining the angle between a first plane and a second plane. The first plane is formed by the input shaft and intermediate shaft of the vehicle's transmission system, and the second plane is formed by the intermediate shaft and output shaft. The invention adjusts the universal joint phase angle so that the difference between the universal joint phase angle and the angle between the two planes is less than a preset threshold. Noise testing is then performed on the vehicle. If the noise test results meet preset expectations, preset components are modified to ensure that the difference between the angle between the two planes and the initial universal joint phase angle is less than the preset threshold. Because this invention obtains the angle between the first and second planes when a vehicle experiences torque fluctuation, adjusts the universal joint phase angle so that the difference between the universal joint phase angle and the angle between the two planes is less than a preset threshold, and performs noise testing on the vehicle, modifying the molds of preset components to ensure that the difference between the angle between the two planes and the initial universal joint phase angle is less than the preset threshold, this method reduces the cost of resolving transmission system torque fluctuation faults and improves efficiency compared to existing methods that directly re-mold key components. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the structure of the transmission system torque fluctuation fault correction device in the hardware operating environment involved in the embodiments of the present invention;

[0038] Figure 2 This is a flowchart illustrating the first embodiment of the transmission system torque fluctuation fault correction method of the present invention;

[0039] Figure 3 This is a schematic diagram of a double cross universal joint transmission system, representing the first embodiment of the transmission system torque fluctuation fault correction method of the present invention.

[0040] Figure 4 This is a flowchart illustrating the second embodiment of the transmission system torque fluctuation fault correction method of the present invention;

[0041] Figure 5 This is a structural block diagram of the first embodiment of the transmission system torque fluctuation fault correction device of the present invention.

[0042] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0043] It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the invention.

[0044] Reference Figure 1 , Figure 1 This is a schematic diagram of the transmission system torque fluctuation fault correction device in the hardware operating environment involved in the embodiments of the present invention.

[0045] like Figure 1 As shown, the transmission system torque fluctuation fault correction device may include: a processor 1001, such as a central processing unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. The communication bus 1002 is used to enable communication between these components. The user interface 1003 may include a display screen or an input unit such as a keyboard; optionally, the user interface 1003 may also include a standard wired interface or a wireless interface. The network interface 1004 may optionally include a standard wired interface or a wireless interface (such as a Wireless-Fidelity (Wi-Fi) interface). The memory 1005 may be high-speed random access memory (RAM) or stable non-volatile memory (NVM), such as a disk storage device. The memory 1005 may also optionally be a storage device independent of the aforementioned processor 1001.

[0046] Those skilled in the art will understand that Figure 1 The structure shown does not constitute a limitation on the transmission torque fluctuation fault correction device, and may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0047] like Figure 1 As shown, the memory 1005, which serves as a storage medium, may include an operating system, a network communication module, a user interface module, and a transmission system torque fluctuation fault correction program.

[0048] exist Figure 1 In the transmission system torque fluctuation fault correction device shown, the network interface 1004 is mainly used for data communication with the network server; the user interface 1003 is mainly used for data interaction with the user; the processor 1001 and the memory 1005 in the transmission system torque fluctuation fault correction device of the present invention can be set in the transmission system torque fluctuation fault correction device. The transmission system torque fluctuation fault correction device calls the transmission system torque fluctuation fault correction program stored in the memory 1005 through the processor 1001 and executes the transmission system torque fluctuation fault correction method provided in the embodiment of the present invention.

[0049] Based on the aforementioned transmission system torque fluctuation fault correction device, this embodiment of the invention provides a transmission system torque fluctuation fault correction method, referring to... Figure 2 , Figure 2 This is a flowchart illustrating the first embodiment of the transmission system torque fluctuation fault correction method of the present invention.

[0050] In this embodiment, the transmission system torque fluctuation fault correction method includes the following steps:

[0051] Step S10: When there is a transmission system torque fluctuation fault in the vehicle, obtain the plane angle between the first plane and the second plane, wherein the first plane is the plane formed by the input shaft and the intermediate shaft in the vehicle transmission system, and the second plane is the plane formed by the intermediate shaft and the output shaft in the vehicle transmission system.

[0052] It should be noted that the executing entity in this embodiment can be a computing service device with data processing, network communication, and program execution functions, such as a mobile phone, tablet computer, or personal computer, or an electronic device or fault correction device capable of performing the above functions. The following description uses the fault correction device as an example to illustrate this embodiment and the subsequent embodiments.

[0053] It should be understood that truck transmission systems often use double universal joint drive shafts, where the instantaneous transmission ratio between the input shaft and the intermediate shaft is... The instantaneous transmission ratio between the intermediate shaft and the output shaft is Instantaneous transmission ratio i between the output shaft and the input shaft 31 is i 21 with i 32 The superposition of two sets of fluctuation signals. When i 21 with i 32 When the two sets of fluctuation signals are poorly matched, the transmission speed and torque transmission in the transmission system will be unstable, which will adversely affect the NVH performance and durability of the transmission system. Ideally, i 31 =1, which requires i 21 with i 32 The two sets of wave signals are guaranteed to be synchronously out of phase and have equal amplitude. (Refer to...) Figure 3 , Figure 3 This is a schematic diagram of a double universal joint transmission system according to the first embodiment of the transmission system torque fluctuation fault correction method of the present invention; see reference. Figure 3 It can be seen that the input shaft and the intermediate shaft form a spatial angle α1, and the intermediate shaft and the output shaft also form a spatial angle α2. If α1 = α2, then this double cross-shaft universal joint drive shaft satisfies the condition of equal amplitude. The input shaft and the intermediate shaft form a plane, called the joint plane β; the intermediate shaft and the output shaft also form a plane, called the joint plane γ. If the angle θ1 between joint planes β and γ is equal to the angle between the two universal joint fork axes on the intermediate shaft, i.e., the universal joint phase angle θ2, then this double cross-shaft universal joint drive mechanism satisfies the condition of synchronous anti-phase. The universal joint phase angle θ2 is designed to be 0°, therefore it is required that planes β and γ coincide or that the angle θ1 is as small as possible.

[0054] It should be noted that the first plane is plane β formed by the input shaft and the intermediate shaft in the vehicle transmission system, and the second plane is plane γ formed by the intermediate shaft and the output shaft in the vehicle transmission system.

[0055] Furthermore, to resolve the torque fluctuation fault in the transmission system, it is necessary to... 21 with i 32 The two sets of fluctuation signals are guaranteed to be synchronously out of phase and have equal amplitudes, ensuring that the spatial angle α1 formed by the input shaft and the intermediate shaft is equal to the spatial angle α2 formed by the intermediate shaft and the output shaft. This satisfies the condition that the amplitudes of the dual cross-shaft universal joint drive shafts are equal. Therefore, step S10 includes: when the vehicle has a transmission system torque fluctuation fault, obtaining the first spatial angle formed by the input shaft and the intermediate shaft in the vehicle transmission system; obtaining the second spatial angle formed by the intermediate shaft and the output shaft in the vehicle transmission system; adjusting the first spatial angle and the second spatial angle so that the difference between the first spatial angle and the second spatial angle is less than a preset angle threshold; and obtaining the plane angle between the first plane and the second plane.

[0056] It should be noted that the first spatial angle formed by the input shaft and the intermediate shaft can be... Figure 3 In the equation α1, the second spatial angle formed by the intermediate shaft and the output shaft can be... Figure 3 In the case of α2, the preset included angle threshold can be a pre-set included angle threshold. In order to solve the torque fluctuation fault of the transmission system, the first spatial included angle and the second spatial included angle need to be equal or as close as possible. Therefore, the preset included angle threshold approaches 0.

[0057] Step S20: Adjust the gimbal phase angle so that the difference between the gimbal phase angle and the angle between the plane is less than a preset angle threshold.

[0058] It should be noted that the preset included angle threshold can be a pre-set included angle threshold. In order to solve the torque fluctuation fault of the transmission system, the universal joint phase angle needs to be as close as possible to the included angle of the plane. Therefore, the preset included angle threshold is close to 0.

[0059] Furthermore, in order to improve the efficiency of resolving transmission system torque fluctuation faults, step S20 may include: obtaining an initial universal joint phase angle; determining the angle difference between the initial universal joint phase angle and the plane angle; and adjusting the universal joint phase angle according to the angle difference so that the difference between the universal joint phase angle and the plane angle is less than a preset angle threshold.

[0060] It should be noted that the initial gimbal phase angle can be the gimbal phase angle before adjustment. Adjusting the gimbal phase angle based on the angle difference can be done by adjusting the gimbal phase angle so that the angle difference is as close to 0 as possible. Specifically, this can be done by rotating the upper and lower joints of the intermediate shaft according to the angle difference to adjust the gimbal phase angle so that the difference between the gimbal phase angle and the plane angle is less than a preset angle threshold.

[0061] Step S30: Conduct a noise test on the vehicle. When the noise test results meet the preset expectations, modify the preset parts so that the difference between the plane angle and the initial universal joint phase angle is less than the preset angle threshold.

[0062] It should be noted that the noise test on the vehicle can be performed by collecting sound information during vehicle operation and determining whether there is any abnormal noise caused by a transmission torque fluctuation fault. If so, the noise test result does not meet the preset expectation; if not, the transmission torque fluctuation fault has been resolved, and the noise test result meets the preset expectation. When the noise test result meets the preset expectation, it indicates that the transmission torque fluctuation fault is caused by a large difference between the universal joint phase angle and the plane angle. In this case, the key components in the transmission system are then modified or remolded to ensure that the difference between the plane angle and the initial universal joint phase angle is less than a preset angle threshold. This avoids directly modifying or remolding the key components in the transmission system only to find that the transmission torque fluctuation fault has not been resolved. The initial universal joint phase angle is the universal joint phase angle before adjustment in step S20. That is, the universal joint phase angle needs to be adjusted to its state before adjustment before modifying or remolding the key components in the transmission system to ensure that the difference between the plane angle and the initial universal joint phase angle is less than the preset angle threshold. The key components may be components that affect the plane angle, such as input shafts, intermediate shafts, and / or output shafts.

[0063] It should be noted that after modifying the preset parts to make the difference between the plane angle and the initial universal joint phase angle less than the preset angle threshold, it is also necessary to conduct a noise test on the vehicle to determine whether the transmission system torque fluctuation fault has been resolved. When the noise test results meet the preset expectations, it is determined that the transmission system torque fluctuation fault has been resolved.

[0064] In this embodiment, when a vehicle experiences a transmission system torque fluctuation fault, the included angle between a first plane and a second plane is obtained. The first plane is the plane formed by the input shaft and intermediate shaft in the vehicle's transmission system, and the second plane is the plane formed by the intermediate shaft and output shaft in the vehicle's transmission system. The universal joint phase angle is adjusted so that the difference between the universal joint phase angle and the included angle is less than a preset angle threshold. A noise test is performed on the vehicle. If the noise test results meet preset expectations, preset components are modified to ensure that the difference between the included angle between the plane and the initial universal joint phase angle is less than the preset angle threshold. This embodiment addresses the issue of transmission system torque fluctuation faults by obtaining the included angle between the first and second planes, adjusting the universal joint phase angle to ensure that the difference is less than a preset angle threshold, performing a noise test on the vehicle, and modifying preset components to ensure that the difference between the included angle between the plane and the initial universal joint phase angle is less than the preset angle threshold. Compared to the existing method of directly re-molding key components, the above-described method in this embodiment can reduce the cost of solving transmission system torque fluctuation faults and improve efficiency.

[0065] refer to Figure 4 , Figure 4 This is a flowchart illustrating the third embodiment of the transmission system torque fluctuation fault correction method of the present invention.

[0066] Based on the above embodiments, in this embodiment, before step S10, the method further includes:

[0067] Step S001: Collect sound information during vehicle operation using sound sensors installed on the vehicle.

[0068] It should be noted that the sound sensor can be installed near the vehicle's driveshaft to detect whether there is a driveshaft malfunction.

[0069] Step S002: When it is determined that there is an abnormal noise in the vehicle based on the sound information, determine whether the sound information has a second-order characteristic of the drive shaft speed.

[0070] It should be noted that when the sound information meets the abnormal noise characteristics, it is determined that the vehicle currently has an abnormal noise. The abnormal characteristics can be pre-set characteristics used to determine whether the vehicle has abnormal noise.

[0071] Step S003: If it exists, then it is determined that the vehicle has a driveshaft fault.

[0072] It should be noted that if the sound information exhibits a second-order characteristic of the driveshaft speed, it indicates that the vehicle has a driveshaft fault.

[0073] Step S004: Determine whether the vehicle has a transmission system torque fluctuation fault based on the torque fluctuation excitation of the universal joint drive shaft and the drive shaft speed.

[0074] It should be noted that determining whether the vehicle has a transmission system torque fluctuation fault based on the torque fluctuation excitation of the universal joint driveshaft and the driveshaft speed can involve obtaining the torque fluctuation excitation of the universal joint driveshaft and the driveshaft speed; when the torque fluctuation excitation of the universal joint driveshaft and the driveshaft speed meet a preset fault condition, the vehicle is determined to have a transmission system torque fluctuation fault. The preset condition can be that the torque fluctuation excitation of the universal joint driveshaft is twice or more than twice the driveshaft speed.

[0075] This embodiment collects sound information during vehicle operation using sound sensors installed on the vehicle. When an abnormal noise is detected based on the sound information, it checks whether the sound information exhibits a second-order characteristic of the driveshaft speed. If so, a driveshaft fault is determined. Furthermore, the torque fluctuation excitation of the universal joint driveshaft and the driveshaft speed are used to determine whether a transmission system torque fluctuation fault exists. This embodiment collects sound information during vehicle operation using sound sensors installed on the vehicle and determines whether a transmission system torque fluctuation fault exists based on the sound information. It can promptly detect vehicle faults and then correct the transmission system torque fluctuation fault information.

[0076] Reference Figure 5 , Figure 5 This is a structural block diagram of the first embodiment of the transmission system torque fluctuation fault correction device of the present invention.

[0077] like Figure 5 As shown, the transmission system torque fluctuation fault correction device proposed in this embodiment of the invention includes:

[0078] The plane angle determination module 10 is used to obtain the plane angle between a first plane and a second plane when there is a transmission system torque fluctuation fault in the vehicle. The first plane is the plane formed by the input shaft and the intermediate shaft in the vehicle transmission system, and the second plane is the plane formed by the intermediate shaft and the output shaft in the vehicle transmission system.

[0079] The adjustment module 20 is used to adjust the phase angle of the universal joint so that the difference between the phase angle of the universal joint and the angle between the plane is less than a preset angle threshold.

[0080] The noise testing module 30 is used to conduct noise tests on the vehicle. When the noise test results meet the preset expectations, the preset parts are modified so that the difference between the plane angle and the initial universal joint phase angle is less than the preset angle threshold.

[0081] In this embodiment, when a vehicle experiences a transmission system torque fluctuation fault, the included angle between a first plane and a second plane is obtained. The first plane is the plane formed by the input shaft and intermediate shaft in the vehicle's transmission system, and the second plane is the plane formed by the intermediate shaft and output shaft in the vehicle's transmission system. The universal joint phase angle is adjusted so that the difference between the universal joint phase angle and the included angle is less than a preset angle threshold. A noise test is performed on the vehicle. If the noise test results meet preset expectations, preset components are modified to ensure that the difference between the included angle between the plane and the initial universal joint phase angle is less than the preset angle threshold. This embodiment addresses the issue of transmission system torque fluctuation faults by obtaining the included angle between the first and second planes, adjusting the universal joint phase angle to ensure that the difference is less than a preset angle threshold, performing a noise test on the vehicle, and modifying preset components to ensure that the difference between the included angle between the plane and the initial universal joint phase angle is less than the preset angle threshold. Compared to the existing method of directly re-molding key components, the above-described method in this embodiment can reduce the cost of solving transmission system torque fluctuation faults and improve efficiency.

[0082] It should be noted that the workflow described above is merely illustrative and does not limit the scope of protection of this invention. In practical applications, those skilled in the art can select some or all of the workflow to achieve the purpose of this embodiment according to actual needs, and no restrictions are imposed here.

[0083] In addition, for technical details not described in detail in this embodiment, please refer to the transmission system torque fluctuation fault correction method provided in any embodiment of the present invention, which will not be repeated here.

[0084] Based on the first embodiment of the transmission system torque fluctuation fault correction device of the present invention, a second embodiment of the transmission system torque fluctuation fault correction device of the present invention is proposed.

[0085] In this embodiment, the plane angle determination module 10 is also used to collect sound information during vehicle operation through a sound sensor installed on the vehicle;

[0086] When it is determined that the vehicle currently has an abnormal noise based on the sound information, it is determined whether the sound information has a second-order characteristic of the drive shaft speed;

[0087] If present, the vehicle is determined to have a driveshaft fault;

[0088] The presence of a transmission system torque fluctuation fault in the vehicle is determined based on the torque fluctuation excitation of the universal joint drive shaft and the drive shaft speed.

[0089] Furthermore, the plane angle determination module 10 is also used to obtain the torque fluctuation excitation and drive shaft speed of the universal joint drive shaft;

[0090] When the torque fluctuation excitation of the universal joint drive shaft and the speed of the drive shaft meet the preset fault conditions, the vehicle is determined to have a transmission system torque fluctuation fault.

[0091] Furthermore, the adjustment module 20 is also used to obtain the initial gimbal phase angle;

[0092] Determine the angle difference between the initial gimbal phase angle and the plane angle;

[0093] The gimbal phase angle is adjusted according to the angle difference so that the difference between the gimbal phase angle and the plane angle is less than a preset angle threshold.

[0094] Furthermore, the adjustment module 20 is also used to rotate the upper and lower joints of the intermediate shaft according to the angle difference to adjust the phase angle of the universal joint, so that the difference between the phase angle of the universal joint and the angle between the plane is less than a preset angle threshold.

[0095] Furthermore, the planar angle determination module 10 is also used to obtain the first spatial angle formed by the input shaft and the intermediate shaft in the vehicle transmission system when the vehicle has a transmission system torque fluctuation fault.

[0096] Obtain the second spatial angle formed by the intermediate shaft and the output shaft in the vehicle transmission system;

[0097] Adjust the first spatial angle and the second spatial angle so that the difference between the first spatial angle and the second spatial angle is less than a preset angle threshold;

[0098] Obtain the angle between the first plane and the second plane.

[0099] Furthermore, the noise testing module 30 is also used to conduct noise tests on the vehicle, and when the noise test results meet the preset expectations, it is determined that the transmission system torque fluctuation fault has been resolved.

[0100] Other embodiments or specific implementations of the transmission system torque fluctuation fault correction device of the present invention can be referred to the above-described method embodiments, and will not be repeated here.

[0101] Furthermore, this embodiment of the invention also proposes a storage medium storing a transmission system torque fluctuation fault correction program, which, when executed by a processor, implements the steps of the transmission system torque fluctuation fault correction method described above.

[0102] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or system. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or system that includes that element.

[0103] The sequence numbers of the above embodiments of the present invention are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0104] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as read-only memory / random access memory, magnetic disk, optical disk) and includes several instructions to cause a terminal device (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in the various embodiments of the present invention.

[0105] The above are merely preferred embodiments of the present invention and do not limit the scope of the patent. Any equivalent structural or procedural transformations made based on the description and drawings of the present invention, or direct or indirect applications in other related technical fields, are similarly included within the scope of patent protection of the present invention.

Claims

1. A method for correcting torque fluctuation faults in a transmission system, characterized in that, The method for correcting torque fluctuation faults in the transmission system includes the following steps: When a vehicle has a transmission system torque fluctuation fault, the included angle between the first plane and the second plane is obtained, wherein the first plane is the plane formed by the input shaft and the intermediate shaft in the vehicle transmission system, and the second plane is the plane formed by the intermediate shaft and the output shaft in the vehicle transmission system. Adjust the gimbal phase angle so that the difference between the gimbal phase angle and the plane is less than a preset angle threshold. The vehicle is subjected to noise testing. When the noise test results meet the preset expectations, the preset parts are modified so that the difference between the plane angle and the initial universal joint phase angle is less than the preset angle threshold. Before the step of obtaining the plane angle between the first plane and the second plane when the vehicle has a transmission system torque fluctuation fault, the method further includes: Sound information during vehicle operation is collected using sound sensors installed on the vehicle. When it is determined that the vehicle currently has an abnormal noise based on the sound information, it is determined whether the sound information has a second-order characteristic of the drive shaft speed; If present, the vehicle is determined to have a driveshaft fault; The presence of a transmission system torque fluctuation fault in the vehicle is determined based on the torque fluctuation excitation of the universal joint drive shaft and the drive shaft speed.

2. The transmission system torque fluctuation fault correction method as described in claim 1, characterized in that, The step of determining whether the vehicle has a transmission system torque fluctuation fault based on the torque fluctuation excitation of the universal joint drive shaft and the drive shaft speed includes: Obtain the torque fluctuation excitation and drive shaft speed of the universal joint drive shaft; When the torque fluctuation excitation of the universal joint drive shaft and the speed of the drive shaft meet the preset fault conditions, the vehicle is determined to have a transmission system torque fluctuation fault.

3. The transmission system torque fluctuation fault correction method as described in claim 1, characterized in that, The step of adjusting the gimbal phase angle so that the difference between the gimbal phase angle and the plane is less than a preset angle threshold includes: Obtain the initial gimbal phase angle; Determine the angle difference between the initial gimbal phase angle and the plane angle; The gimbal phase angle is adjusted according to the angle difference so that the difference between the gimbal phase angle and the plane angle is less than a preset angle threshold.

4. The transmission system torque fluctuation fault correction method as described in claim 3, characterized in that, The step of adjusting the gimbal phase angle according to the angle difference so that the difference between the gimbal phase angle and the plane angle is less than a preset angle threshold includes: The upper and lower joints of the intermediate shaft are rotated according to the angle difference to adjust the phase angle of the universal joint, so that the difference between the phase angle of the universal joint and the angle between the plane is less than a preset angle threshold.

5. The transmission system torque fluctuation fault correction method according to any one of claims 1-4, characterized in that, The step of obtaining the plane angle between the first plane and the second plane when the vehicle has a transmission system torque fluctuation fault includes: When a vehicle has a transmission system torque fluctuation fault, obtain the first spatial angle formed by the input shaft and the intermediate shaft in the vehicle transmission system. Obtain the second spatial angle formed by the intermediate shaft and the output shaft in the vehicle transmission system; Adjust the first spatial angle and the second spatial angle so that the difference between the first spatial angle and the second spatial angle is less than a preset angle threshold; Obtain the angle between the first plane and the second plane.

6. The transmission system torque fluctuation fault correction method according to any one of claims 1-4, characterized in that, After the step of conducting noise testing on the vehicle and, when the noise test results meet preset expectations, modifying the mold of preset components to ensure that the difference between the plane angle and the initial universal joint phase angle is less than a preset angle threshold, the method further includes: A noise test is conducted on the vehicle. If the noise test results meet the preset expectations, it is determined that the transmission system torque fluctuation fault has been resolved.

7. A transmission system torque fluctuation fault correction device, characterized in that, The transmission system torque fluctuation fault correction device includes: The plane angle determination module is used to obtain the plane angle between a first plane and a second plane when there is a transmission system torque fluctuation fault in the vehicle. The first plane is the plane formed by the input shaft and the intermediate shaft in the vehicle transmission system, and the second plane is the plane formed by the intermediate shaft and the output shaft in the vehicle transmission system. The adjustment module is used to adjust the phase angle of the gimbal so that the difference between the phase angle of the gimbal and the angle of the plane is less than a preset angle threshold. The noise testing module is used to conduct noise tests on the vehicle. When the noise test results meet the preset expectations, the preset parts are modified so that the difference between the plane angle and the initial universal joint phase angle is less than the preset angle threshold. The planar angle determination module is also used to collect sound information during vehicle operation through a sound sensor installed on the vehicle; When it is determined that the vehicle currently has an abnormal noise based on the sound information, it is determined whether the sound information has a second-order characteristic of the drive shaft speed; If present, the vehicle is determined to have a driveshaft fault; The presence of a transmission system torque fluctuation fault in the vehicle is determined based on the torque fluctuation excitation of the universal joint drive shaft and the drive shaft speed.

8. A transmission system torque fluctuation fault correction device, characterized in that, The device includes: a memory, a processor, and a transmission torque fluctuation fault correction program stored in the memory and executable on the processor, the transmission torque fluctuation fault correction program being configured to implement the steps of the transmission torque fluctuation fault correction method as described in any one of claims 1 to 6.

9. A storage medium, characterized in that, The storage medium stores a transmission system torque fluctuation fault correction program, which, when executed by a processor, implements the steps of the transmission system torque fluctuation fault correction method as described in any one of claims 1 to 6.

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