Power consumption control method and system for road noise cancellation function

Abstract

The present application relates to a power consumption control method and system for a road noise cancellation (RNC) function. The power consumption control method comprises: acquiring basic state data of a vehicle; on the basis of the basic state data, preliminarily determining whether to disable a road noise cancellation function of the vehicle; and if it is preliminarily determined to disable the road noise cancellation function of the vehicle, executing a noise cancellation function disabling operation, wherein the noise cancellation function disabling operation comprises disabling the road noise cancellation function of the vehicle and disconnecting power supply to hardware associated with the road noise cancellation function. In the present application, an RNC function can be adaptively enabled and disabled on the basis of a vehicle state, so that the vehicle range is improved while ensuring the user experience.

Description

Power consumption control method and system for active noise reduction function Technical Field

[0001] The present application relates to the field of vehicles, and in particular to a method and system for controlling power consumption of an active noise reduction (also known as RNC) function. Background Art

[0002] As more high-end vehicles enter the market, high-profile, multi-component active noise cancellation (ANC) designs are increasingly being incorporated into vehicles approaching mass production. Vehicles typically utilize noise cancellation systems to generate counter-noise waves equal to the ambient noise, neutralizing it to achieve the vehicle's noise reduction (RNC) function. The amplifiers and related component designs required for RNC often significantly increase the vehicle's energy consumption, resulting in reduced range for pure electric vehicles and a noticeable decrease in the user experience.

[0003] Summary of the Invention

[0004] Embodiments of the present application provide a method and system for controlling power consumption of an active noise reduction (RNC) function, which can adaptively turn the RNC function on and off according to the vehicle status, thereby improving the vehicle's endurance while ensuring user experience.

[0005] According to one aspect of the present application, a method for controlling power consumption of an active noise reduction function is provided, the method comprising: acquiring basic status data of a vehicle; preliminarily determining, based on the basic status data, whether to turn off the active noise reduction function of the vehicle; and if the preliminarily determined decision is to turn off the active noise reduction function of the vehicle, performing a noise reduction function turning off operation; wherein the noise reduction function turning off operation comprises turning off the active noise reduction function of the vehicle and disconnecting power to hardware associated with the active noise reduction function.

[0006] In some embodiments of the present application, optionally, the basic status data includes gear information and vehicle speed data of the vehicle.

[0007] In some embodiments of the present application, optionally, the preliminarily determining whether to turn off the active noise reduction function of the vehicle based on the basic status data includes: if the gear position of the vehicle is a reverse gear or a parking gear, preliminarily determining to turn off the active noise reduction function of the vehicle.

[0008] In some embodiments of the present application, optionally, the preliminary judgment of whether to turn off the active noise reduction function of the vehicle based on the basic status data includes: if the gear position of the vehicle is a forward gear and the vehicle speed is less than a vehicle speed threshold, then preliminary judgment of turning off the active noise reduction function of the vehicle; and if the gear position of the vehicle is a forward gear and the vehicle speed is greater than or equal to the vehicle speed threshold, then preliminary judgment of not turning off the active noise reduction function of the vehicle.

[0009] In some embodiments of the present application, optionally, the power consumption control method further includes: if it is preliminarily determined that the active noise reduction function of the vehicle is not to be turned off, performing additional control operations; wherein the additional control operations include: obtaining a noise perception function, wherein the noise perception function characterizes the influence of a noise perception parameter on noise perception W; obtaining parameter data of the vehicle corresponding to the noise perception parameter; calculating a current noise perception W of the vehicle using the parameter data and the noise perception function; determining an execution mode of the active noise reduction function based on the current noise perception W of the vehicle, wherein the execution modes of the active noise reduction function include: a noise reduction function off mode and a normal noise reduction function mode; and if it is determined that the execution mode of the active noise reduction function is the noise reduction function off mode, performing the noise reduction function off operation.

[0010] In some embodiments of the present application, optionally, the noise perception parameter includes one or more of the following parameters: vehicle speed parameter, road noise parameter, external sound parameter, internal sound parameter, vehicle equipment volume parameter, temperature parameter, tire pressure parameter, and window opening.

[0011] In some embodiments of the present application, optionally, the execution mode of the active noise reduction function also includes: a noise reduction function degradation mode; and the additional control operation also includes: if it is determined that the execution mode of the active noise reduction function is the noise reduction function degradation mode, performing a noise reduction function degradation operation, wherein the noise reduction function degradation operation includes selectively disconnecting power to hardware associated with the active noise reduction function.

[0012] In some embodiments of the present application, optionally, determining the execution mode of the active noise reduction function based on the current noise sensitivity W of the vehicle includes: if the noise sensitivity W is less than a shutdown threshold W1, determining that the execution mode of the active noise reduction function is the noise reduction function shutdown mode; if the noise sensitivity W is greater than the shutdown threshold W1 and less than a degradation threshold W2, determining that the execution mode of the active noise reduction function is the noise reduction function degradation mode; and if the noise sensitivity W is greater than the degradation threshold W2, determining that the execution mode of the active noise reduction function is the normal noise reduction function mode.

[0013] In some embodiments of the present application, optionally, the hardware associated with the active noise reduction function includes one or more of the following: a slave power amplifier of the active noise reduction function, a sound sensing device of the active noise reduction function, an accelerometer of the vehicle, a car audio bus to which the master power amplifier of the active noise reduction function is subordinate, and a digital audio bus exclusive to the active noise reduction function.

[0014] According to another aspect of the present application, a power consumption control system for an active noise reduction function is provided, the power consumption control system comprising: a memory configured to store instructions; and a processor configured to execute the instructions so that the power consumption control system performs any one of the power consumption control methods described above.

[0015] According to another aspect of the present application, a vehicle is provided, comprising any one of the power consumption control systems described above.

[0016] According to another aspect of the present application, a computer-readable storage medium is provided, wherein instructions are stored in the computer-readable storage medium. When the instructions are executed by a processor, the processor executes any one of the power consumption control methods described above.

[0017] The embodiment of the present application provides a multi-data fusion RNC power consumption control strategy, which can realize the adaptive opening and closing of the RNC function under various vehicle operating conditions based on various data information of the vehicle, thereby increasing the actual use range of the electric vehicle while ensuring the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and other objects and advantages of the present application will become more fully apparent from the following detailed description taken in conjunction with the accompanying drawings, wherein the same or similar elements are denoted by the same reference numerals.

[0019] FIG1 shows a flow chart of a method for controlling power consumption of an active noise reduction function according to an embodiment of the present application;

[0020] FIG2 shows a flowchart of steps for preliminarily determining whether to turn off the active noise reduction function according to an embodiment of the present application;

[0021] FIG3 shows a flowchart of steps for performing additional control operations according to one embodiment of the present application;

[0022] FIG4 shows a schematic diagram of a power consumption control system for an active noise reduction function according to an embodiment of the present application. DETAILED DESCRIPTION

[0023] For the purpose of brevity and illustration, the principles of the present application are described herein primarily with reference to exemplary embodiments thereof. However, those skilled in the art will readily recognize that the same principles are equally applicable to all types of power consumption control methods and systems for active noise reduction functions, and that the same or similar principles may be implemented therein, without departing from the true spirit and scope of the present application.

[0024] The following describes a method 100 for controlling power consumption of an active noise reduction function according to an embodiment of the present application with reference to FIG1 to FIG3 .

[0025] Fig. 1 shows a flow chart of a method 100 for controlling power consumption of an active noise reduction function according to an embodiment of the present application. As shown in Fig. 1 , the method 100 includes steps S110 to S140.

[0026] In step S110, basic vehicle status data is obtained. Based on the obtained basic status data, the current operating state of the vehicle can be determined. In some embodiments, the basic status data may include the vehicle's gear information and vehicle speed data. After step S110, step S120 may be further executed.

[0027] In step S120, based on the basic status data obtained via step S110, a preliminary judgment is made as to whether to turn off the RNC function of the vehicle. In an embodiment of the present application, whether to turn off the RNC function of the vehicle can be determined based on the user's (including the driver and passengers') usual tolerance to noise under different vehicle operating conditions. In an embodiment of the present application, when it is preliminarily judged based on step S120 that the RNC function is to be turned off, the operation of turning off the RNC function will most likely not affect the user's noise-related experience while driving. Therefore, step S120 can preliminarily judge whether to turn off the RNC function of the vehicle based on the relationship between a pre-set vehicle operating condition and the user's noise tolerance. As an example, when the vehicle is in an operating condition where the user's noise tolerance is high, it is preliminarily judged that the RNC function of the vehicle should be turned off; and when the vehicle is in an operating condition where the user's noise tolerance is low, it is preliminarily judged that the RNC function of the vehicle should not be turned off.

[0028] For example, when the vehicle is traveling at a relatively high speed (in the D gear), the user's noise tolerance is low. Considering that disabling the RNC function in this situation may affect the user's driving experience, it is not advisable to disable the RNC function to ensure the user's driving experience. On the other hand, when the vehicle is stationary (in the P gear) or reversing (in the R gear), the user's attention to vehicle noise is low and therefore their noise tolerance is high. In this case, disabling the RNC function may not be noticed by the user. Accordingly, the relationship between the pre-set vehicle operating condition and the user's noise tolerance may include: when the vehicle is in the P gear or the R gear, the user's noise tolerance is high; when the vehicle is in the D gear and the vehicle speed is high, the user's noise tolerance is low.

[0029] If it is preliminarily determined based on step S120 that the RNC function is to be disabled, step S130 may be further executed; if it is preliminarily determined based on step S120 that the RNC function is not to be disabled, step S140 may be further executed.

[0030] In step S130, the noise reduction function is disabled. In some embodiments, the noise reduction function may be disabled by disabling the vehicle's RNC function and, upon disabling the RNC function, further disconnecting power to hardware associated with the RNC function. In other words, embodiments of the present application may further disable related hardware in addition to disabling the vehicle's RNC function system software.

[0031] In some embodiments, the hardware associated with the RNC function may include any one or more of the following: a slave power amplifier (AMP) of the RNC function, a sound sensing device of the RNC function, an accelerometer (also known as an acceleration sensor) of the vehicle, an automotive audio bus (A2B) slaved to the master AMP of the RNC function, and a digital audio processor (DSP) dedicated to the RNC function.

[0032] The sound sensing device of the RNC function may include a microphone (Mic), wherein the Mic can be used to receive sound and convert it into an electrical signal. In some embodiments, the vehicle may be provided with multiple Mics outside and inside the vehicle respectively. Among them, the external Mic outside the vehicle can be used to measure sound data outside the vehicle (such as volume), for example, for monitoring the state of wind noise outside the vehicle; the internal Mic inside the vehicle can be used to measure sound data inside the vehicle, for example, for evaluating the current noise level inside the vehicle. As an example, the vehicle can be provided with 7 external Mics outside the vehicle, including 3 digital Mics and 4 digital Mics, and 12 internal Mics can be provided inside the vehicle. The vehicle's accelerometer can be used to monitor the state of road noise. As an example, the vehicle can be provided with 4 accelerometers outside the vehicle.

[0033] Without affecting the user's noise perception experience, disabling RNC-related hardware can effectively reduce vehicle energy consumption. For example, the rated power of the RNC-related power amplifier ranges from approximately 1000W to 2000W, so reducing the RNC's power amplifier can significantly reduce vehicle energy consumption during driving.

[0034] In the embodiment of the present application, for shutting down the RNC function, hardware measures can be taken to the greatest extent to reduce the power consumption of the entire vehicle, where the hardware shutdown includes but is not limited to: shutting down the wake-up enable of the slave AMP; shutting down the Mic power supply of RNC-related functions; shutting down the accelerometer power supply; shutting down the A2B of the master AMP slave; and shutting down the dedicated DSP.

[0035] In step S140 , an additional control operation is performed to determine and execute an execution mode of the active noise reduction function.

[0036] The energy consumption control strategy of the RNC function proposed in this application can be used to implement a refined hardware management strategy based on actual vehicle operating conditions and combined with user experience, thereby reducing the energy consumption of the entire system, increasing the endurance of pure electric vehicles, and bringing users an ultimate mileage experience.

[0037] Figure 2 shows a flowchart for executing step S120 of an embodiment of the present application, providing an example of preliminarily determining whether to disable the RNC function based on basic status data. By executing step S120 shown in Figure 2, a vehicle status can be quickly confirmed based on basic vehicle information, and a preliminary determination can be made based on the result of the quick confirmation whether to disable the RNC function. As shown in Figure 2, step S120 includes sub-steps S210 and S220.

[0038] In sub-step S210, based on the basic vehicle status data (e.g., acquired via step S110), it is determined whether the vehicle's gear position is in reverse (e.g., R) or parking (e.g., P). When the vehicle's gear position is reverse, the vehicle is in a moving state of reverse. When the vehicle's gear position is parking, the vehicle is in a stationary moving state, and its vehicle state (Vehstate) may be comfort enabled.

[0039] If the vehicle's gear position is determined to be reverse or parking in sub-step S210, the process proceeds to step S130 to disable the noise reduction function. If the vehicle's gear position is determined to be neither reverse nor parking in sub-step S210, sub-step S220 is further executed. In the embodiment of the present application, if the vehicle's gear position is neither reverse nor parking, it indicates that the vehicle is currently in a forward gear (e.g., D gear). Therefore, sub-step S220 is performed when the vehicle is in a forward gear.

[0040] In sub-step S220, based on the basic vehicle status data (e.g., acquired in step S110), a determination is made as to whether the vehicle speed is less than a speed threshold. The speed threshold may be a calibrated parameter value specific to different vehicle models. For example, the speed threshold may be any value between 5 and 60 km / h. If sub-step S220 determines that the vehicle speed is less than the speed threshold, the process proceeds to step S130 to disable the noise reduction function. If sub-step S220 determines that the vehicle speed is greater than or equal to the speed threshold, a preliminary determination is made not to disable the active noise reduction function, and the process proceeds to step S140 to perform additional control operations.

[0041] As described above, the criteria used in step S120 to preliminarily determine whether to disable the vehicle's RNC function can be a pre-set relationship between the vehicle's operating conditions and the user's noise tolerance. Depending on the vehicle's operating parameters, the relationship between the vehicle's operating conditions and the user's noise tolerance may also vary. This embodiment of the present application describes an example in which a vehicle has three gear options: reverse, parking, and forward. In other embodiments, the vehicle may also have other gear options.

[0042] The control strategy logic of the embodiment of the present application can effectively classify functions based on the actual vehicle status while ensuring the user experience of the RNC function, thereby optimizing the energy consumption of related electronic components to the greatest extent, and significantly increasing the range of pure electric vehicles.

[0043] Fig. 3 shows a flow chart of executing step S140 of the embodiment of the present application, and provides an example of executing the additional control operation. As shown in Fig. 3, step S140 includes sub-steps S310 to S370.

[0044] In sub-step S310, a noise sensitivity function is obtained, where the noise sensitivity function represents the impact of the noise perception parameter N on noise sensitivity W. Noise sensitivity W, as used herein, refers to the user's perception of noise. A higher noise sensitivity W indicates a more sensitive user to noise, while a lower noise sensitivity W indicates a less sensitive user to noise. When noise sensitivity W is high, the user's tolerance for noise is low. To enhance the user's driving experience, the RNC function must be properly enabled. When noise sensitivity W is low, the user's tolerance for noise is high. Disabling or downgrading the RNC function will not affect the user's driving experience.

[0045] The noise perception parameter N can be any parameter associated with the user's noise perception W. In some embodiments, the noise perception parameter N includes one or more of the following parameters: vehicle speed parameter, road noise parameter, exterior sound parameter, interior sound parameter, vehicle equipment volume parameter, temperature parameter, tire pressure parameter, and window opening. Optionally, the window opening can include the opening of the vehicle sunroof and / or the opening of the vehicle side windows. As an example, the vehicle equipment volume parameter refers to the volume parameter of the speakers of vehicle equipment such as in-vehicle entertainment devices, navigation devices, and communication devices. As an example, the exterior sound parameter can be a wind noise parameter measured by an exterior microphone, the interior sound parameter can be an interior noise parameter measured by an interior microphone, and the road noise parameter can be measured by the vehicle's accelerometer.

[0046] In some embodiments, the noise sensitivity function can be expressed by the following formula 1:

[0047] where N i represents the i-th noise perception parameter, A i Represents the i-th noise perception parameter N i The corresponding weights. As an example, A i Can be any value from -1 to 1.

[0048] For the noise perception parameter N i Including vehicle speed parameters, wind noise parameters, road noise parameters, and vehicle equipment volume parameters, the noise perception function can be expressed by the following formula 2: W = A1·N1+A2·N2+A3·N3+A4·N4 (Formula 2)

[0049] Where N1 represents the vehicle speed parameter, and A1 represents the weight corresponding to the vehicle speed parameter; N2 represents the wind noise parameter, and A2 represents the weight corresponding to the wind noise parameter; N3 represents the road noise parameter, and A3 represents the weight corresponding to the road noise parameter; N4 represents the vehicle equipment volume parameter, and A4 represents the weight corresponding to the vehicle equipment volume parameter. Accordingly, since the larger the values ​​of the vehicle speed parameter, wind noise parameter, and road noise parameter, the greater the user's perception of noise (represented by the value of noise sensitivity W), the values ​​of A1, A2, and A3 in the embodiment of the present application can be positive numbers; since the larger the value of the vehicle equipment volume parameter, the smaller the user's perception of noise, the value of A4 in the embodiment of the present application can be negative. For example, A1, A2, and A3 can each take the value of 1, and A4 can take the value of -1.

[0050] According to the different working conditions of the vehicle (or further considering the user's noise tolerance preference setting), different noise perception functions can be configured, such as selecting different noise perception parameters N i And the corresponding weight A i Noise perception parameter N i It can be used to perform scenario-based determination and auxiliary analysis on the vehicle status. After sub-step S310, sub-step S320 can be further performed.

[0051] In sub-step S320, the noise perception parameter N in the noise sensitivity function is obtained. i Corresponding parameter data. For the noise perception parameter N determined in the noise sensitivity function i , a series of data state inputs can be obtained. For the noise perception parameter N iFor example, vehicle speed parameters, wind noise parameters, road noise parameters, and vehicle equipment volume parameters can be obtained through sub-step S320 to obtain the current vehicle speed parameter data, wind noise parameter data (e.g., obtained from seven external microphones), road noise parameter data (e.g., obtained from four external acceleration sensors), and vehicle equipment volume parameter data. After sub-step S320, sub-step S330 can be further executed.

[0052] In sub-step S330 , the parameter data (eg, obtained via sub-step S320 ) and the noise sensitivity function (eg, obtained via sub-step S310 ) are used to calculate the vehicle's current noise sensitivity W. After sub-step S330 , sub-step S340 may be further executed.

[0053] In sub-step S340, the RNC function execution mode is determined based on the vehicle's current noise perception W calculated in sub-step S330. In some embodiments, the RNC function execution modes may include: a noise reduction function off mode and a normal noise reduction function mode. Optionally, the RNC function execution modes may also include a noise reduction function degraded mode.

[0054] For an example in which the execution modes of the RNC function include a noise reduction function off mode, a noise reduction function degraded mode, and a normal noise reduction function mode, the execution mode of the active noise reduction function can be determined by comparing the noise perception W with the off threshold W1 and the degraded threshold W2, respectively. The off threshold W1 is a calibration value used to determine whether the noise reduction function is in the off mode or the degraded mode, and the degraded threshold W2 is a calibration value used to determine whether the noise reduction function is in the degraded mode or the normal mode. The off threshold W1 and the degraded threshold W2 can be pre-calibrated based on the operating conditions of different vehicles (or further considering the user's noise tolerance preference setting).

[0055] If the noise sensitivity W is less than the off threshold W1, the RNC function execution mode is determined to be the noise reduction function off mode. If the RNC function execution mode is determined to be the noise reduction function off mode in sub-step S340, sub-step S350 may be further executed.

[0056] If the noise sensitivity W is greater than the shutdown threshold W1 and less than the degradation threshold W2, the RNC function execution mode is determined to be the noise reduction function degradation mode. If the RNC function execution mode is determined to be the noise reduction function degradation mode in sub-step S340, sub-step S360 may be further executed.

[0057] If the noise sensitivity W is greater than the degradation threshold W2, the RNC function execution mode is determined to be the normal noise reduction function mode. If the RNC function execution mode is determined to be the normal noise reduction function mode in sub-step S340, sub-step S370 may be further executed.

[0058] The embodiments of the present application can leverage the rich sensor resources and big data vehicle status of smart electric vehicles to control the selection of the RNC function execution mode through a scenario-based intelligent control strategy. In addition, the embodiments of the present application can control the energy consumption of related hardware resources based on the selected RNC function execution mode, thereby achieving an optimal mileage experience based on intelligent scenario-based dynamic control while ensuring the user's cabin acoustic experience.

[0059] In sub-step S350, corresponding to the RNC function execution mode being the noise reduction function off mode, a noise reduction function off operation may be performed. In some embodiments, the noise reduction function off operation may be the operation of disconnecting the power supply to the RNC function-related hardware as described above, which will not be further described here. It should be noted that, based on the scenario-based intelligent control strategy of the embodiments of the present application, under the operating conditions executed in sub-step S350, even if the noise reduction function is off, the user's noise-related driving experience will not be affected.

[0060] In sub-step S360, the execution mode corresponding to the active noise reduction function is the noise reduction function degradation mode, and a noise reduction function degradation operation can be performed. The noise reduction function degradation operation can include selectively disconnecting the power supply to the hardware associated with the RNC function, that is, the power supply to the RNC function-related hardware can be partially shut down based on demand. Optionally, the hardware associated with the RNC function can be the hardware described above, which will not be described in detail here. It should be noted that, through the judgment of the scenario-based intelligent control strategy of the embodiment of the present application, under the working conditions executed in sub-step S360, even if the noise reduction function degradation operation is performed, it will not affect the user's noise-related driving experience.

[0061] In some embodiments, when RNC functionality is determined to be suitable for downgrading, adjustments can be made to related hardware, such as speakers, microphones, and accelerometers, based on the appropriate degree of degradation, while ensuring a user experience under operating conditions, thereby maintaining reasonable system power consumption. For example, noise reduction downgrading operations may include one or more of the following: dynamically adjusting the number of active speakers; dynamically adjusting the number of active microphones; dynamically adjusting the number of accelerometers; or downgrading DSP functionality.

[0062] For example, a strategy for dynamically adjusting the number of active microphones might include monitoring the presence of passengers in the vehicle and, if it is determined that there are only drivers in the vehicle, disabling the microphone in the passenger seat while retaining the microphone in the cockpit. For example, a strategy for dynamically adjusting the number of accelerometers might include, if there are four accelerometers installed on the vehicle chassis, keeping only one or two of them active while disabling the remaining accelerometers.

[0063] In sub-step S370 , the execution mode of the active noise reduction function is the normal noise reduction function mode, and the active noise reduction function is kept turned on normally.

[0064] The embodiment of the present application executes the energy consumption control strategy of the RNC function, reasonably turns on, downgrades or turns off the RNC function, and performs corresponding operations on the relevant power consumption hardware. Therefore, without affecting the user's functional experience, it is possible to reduce the energy loss of high-power amplifiers and related components during the actual use of high-end pure electric vehicles through intelligent scenario control, increase the key indicator of the actual mileage endurance of pure electric vehicles, and achieve the beneficial effect of optimizing the user's mileage experience.

[0065] Next, a power consumption control system 400 for an active noise reduction function according to an embodiment of the present application will be described with reference to FIG. 4 .

[0066] FIG4 shows a schematic diagram of a power consumption control system 400 for an active noise reduction function according to an embodiment of the present application. As shown in FIG4 , the power consumption control system 400 for an active noise reduction function may include a memory 410 and a processor 420. The memory 410 and the processor 420 may communicate with each other. In some embodiments, the memory 410 may be a non-volatile memory such as a flash memory, a ROM, a hard disk drive, a magnetic disk, or an optical disk. In other embodiments, the memory 410 may also be other types of memory. The memory 410 may be configured to store instructions. The processor 420 may be configured to execute the instructions so that the power consumption control system 400 performs the power consumption control method 100 for an active noise reduction function according to one or more embodiments of the present application.

[0067] The present application also provides a vehicle, comprising any of the power consumption control systems 400 described above. The term "vehicle" as used herein may refer to any suitable vehicle having a drive system consisting of at least a battery, a power conversion device, and a drive motor, such as a hybrid electric vehicle, an electric vehicle, or a plug-in hybrid electric vehicle. A hybrid electric vehicle is a vehicle that has two or more power sources, such as a gasoline-powered and an electric vehicle.

[0068] According to another aspect of the present application, a computer-readable storage medium is provided, in which instructions are stored. When the instructions are executed by a processor, the processor executes any one of the power consumption control methods 100 for active noise reduction functions described above. The computer-readable medium referred to in this application includes various types of computer storage media, and can be any available medium that can be accessed by a general-purpose or special-purpose computer. For example, the computer-readable medium can include RAM, ROM, EPROM, E 2 PROM, register, hard disk, removable disk, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage device, or any other temporary or non-temporary medium that can be used to carry or store desired program code units in the form of instructions or data structures and can be accessed by a general or special-purpose computer, or a general or special-purpose processor. As used herein, disks usually copy data magnetically, while dishes use lasers to optically copy data. The above combinations should also be included in the scope of protection of computer-readable media. An exemplary storage medium is coupled to a processor so that the processor can read and write information from / to the storage medium. In an alternative solution, the storage medium can be integrated into the processor. The processor and storage medium can reside in an ASIC. The ASIC can reside in a user terminal. In an alternative solution, the processor and storage medium can reside in a user terminal as discrete components.

[0069] The embodiments of the present application provide a power consumption control strategy for the RNC function based on information from various smart car data (e.g., external microphone data, internal microphone data, and vehicle operating condition data such as speed, gear position, air conditioning, and windows). This strategy enables the RNC function to be adaptively turned on and off under various vehicle operating conditions. Furthermore, when the RNC function is turned off, a series of related components (e.g., power amplifiers, accelerometers, microphones, etc.) are turned off. This significantly reduces the average endurance energy consumption of the vehicle while ensuring user experience, greatly increases the actual endurance of electric vehicles, and enhances the competitiveness of pure electric vehicles.

[0070] The relevant user personal information that may be involved in the various embodiments of this application is strictly in accordance with the requirements of laws and regulations, following the principles of legality, legitimacy and necessity, and based on the reasonable purposes of business scenarios, to process the personal information that users actively provide during the use of products / services or generated due to the use of products / services, as well as the personal information obtained with the user's authorization.

[0071] The personal information processed by the Applicant will vary depending on the specific product / service scenario and will be based on the specific scenario in which the user uses the product / service. This may involve the user's account information, device information, driving information, vehicle information, or other related information. The Applicant will treat the user's personal information and its processing with a high degree of diligence.

[0072] The Applicant attaches great importance to the security of user personal information and has taken reasonable and feasible security measures that comply with industry standards to protect user information and prevent personal information from being accessed, disclosed, used, modified, damaged or lost without authorization.

[0073] The above are only specific embodiments of the present application, but the scope of protection of the present application is not limited thereto. Those skilled in the art can think of other feasible changes or replacements based on the technical scope disclosed in this application, and such changes or replacements are all included in the scope of protection of the present application. In the absence of conflict, the embodiments of the present application and the features in the embodiments can also be combined with each other. The scope of protection of the present application shall be based on the description of the claims.

Claims

1. A method for controlling power consumption of an active noise reduction function, characterized in that: The power consumption control method comprises: Get basic status data of the vehicle; Preliminarily determining whether to turn off the active noise reduction function of the vehicle based on the basic status data; and If it is preliminarily determined that the active noise reduction function of the vehicle is turned off, then a noise reduction function turning off operation is performed; The noise reduction function turning off operation includes turning off the active noise reduction function of the vehicle and disconnecting power to hardware associated with the active noise reduction function.

2. The power consumption control method according to claim 1, characterized in that: The basic status data includes gear information and vehicle speed data of the vehicle.

3. The power consumption control method according to claim 2, characterized in that: The preliminarily determining whether to turn off the active noise reduction function of the vehicle based on the basic status data includes: If the gear position of the vehicle is the reverse gear or the parking gear, it is preliminarily determined that the active noise reduction function of the vehicle is turned off.

4. The power consumption control method according to claim 3, characterized in that: The preliminarily determining whether to turn off the active noise reduction function of the vehicle based on the basic status data includes: If the gear position of the vehicle is the forward gear and the vehicle speed is less than the vehicle speed threshold, a preliminary determination is made to turn off the active noise reduction function of the vehicle; and If the gear position of the vehicle is the forward gear and the vehicle speed is greater than or equal to the vehicle speed threshold, it is preliminarily determined that the active noise reduction function of the vehicle is not turned off.

5. The power consumption control method according to claim 1 or 4, characterized in that: The power consumption control method further includes: if it is initially determined that the active noise reduction function of the vehicle is not to be turned off, performing an additional control operation; The additional control operations include: Acquire a noise sensitivity function, wherein the noise sensitivity function represents the influence of the noise perception parameter on the noise sensitivity W; Acquiring parameter data of the vehicle corresponding to the noise perception parameter; Calculating the current noise sensitivity W of the vehicle using the parameter data and the noise sensitivity function; Determining an execution mode of an active noise reduction function based on the current noise perception W of the vehicle, wherein the execution modes of the active noise reduction function include: a noise reduction function off mode and a normal noise reduction function mode; and If it is determined that the execution mode of the active noise reduction function is the noise reduction function off mode, the noise reduction function off operation is performed.

6. The power consumption control method according to claim 5, characterized in that: The noise perception parameter includes one or more of the following parameters: vehicle speed parameter, road noise parameter, exterior sound parameter, interior sound parameter, vehicle equipment volume parameter, temperature parameter, tire pressure parameter, and window opening.

7. The power consumption control method according to claim 5, characterized in that: The execution mode of the active noise reduction function also includes: a noise reduction function degradation mode; and The additional control operation also includes: If it is determined that the execution mode of the active noise reduction function is the noise reduction function degradation mode, a noise reduction function degradation operation is performed, wherein the noise reduction function degradation operation includes selectively disconnecting power to hardware associated with the active noise reduction function.

8. The power consumption control method according to claim 7, characterized in that: The determining of the execution mode of the active noise reduction function based on the current noise sensitivity W of the vehicle includes: If the noise sensitivity W is less than the off threshold W1, determining that the execution mode of the active noise reduction function is the off noise reduction function mode; If the noise sensitivity W is greater than the shutdown threshold W1 and less than the degradation threshold W2, determining that the execution mode of the active noise reduction function is the noise reduction function degradation mode; and If the noise sensitivity W is greater than the degradation threshold W2, it is determined that the execution mode of the active noise reduction function is the normal noise reduction function mode.

9. The power consumption control method according to claim 1, characterized in that: The hardware associated with the active noise reduction function includes one or more of the following: a slave power amplifier of the active noise reduction function, a sound sensing device of the active noise reduction function, an accelerometer of the vehicle, a car audio bus to which the master power amplifier of the active noise reduction function belongs, and a digital audio processor dedicated to the active noise reduction function.

10. A power consumption control system for active noise reduction function, characterized in that: The power consumption control system comprises: a memory configured to store instructions; and A processor configured to execute the instructions so that the power consumption control system performs the power consumption control method according to any one of claims 1 to 9.

11. A vehicle, characterized in that: The vehicle includes the power consumption control system of claim 10 .

12. A computer-readable storage medium, wherein instructions are stored in the computer-readable storage medium, characterized in that: When the instruction is executed by a processor, the processor executes the power consumption control method according to any one of claims 1 to 9.

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