CN117207925A - Automatic parking activation method and device - Google Patents

Abstract

The application discloses an automatic parking activation method and device, wherein the method comprises the following steps: setting an automatic parking activation condition to obtain a preset automatic parking activation condition, wherein the preset automatic parking activation condition comprises a preset gradient range; judging whether the vehicle is braked and stopped; when the vehicle is in braking and stopping, acquiring a gradient value when the vehicle is stopped; and comparing the gradient value with a preset gradient range, and performing parking control on the vehicle according to a comparison result. The application can adjust the gradient range of the automatic parking activation condition and meet the driving habit and the use requirement of different drivers.

Description

Automatic parking activation method and device

Technical Field

The application relates to the technical field of automatic parking, in particular to an automatic parking activation method and an automatic parking activation device.

Background

The automatic parking is used as a value-added function of the ESC system, a driver presses a brake pedal, after the vehicle is parked, the automatic parking function is activated, and the ESC system can apply a brake to the vehicle through active pressurization, so that the vehicle is kept in a parking state without operating a hand brake or electronic parking.

Currently, the automatic parking activation condition includes an activatable gradient range, the gradient range of which characterizes a gradient value between a gradient lower limit and a gradient upper limit, and since the gradient lower limit and the gradient upper limit are not adjustable, the gradient range capable of activating the automatic parking function is unchanged, but the unchanged gradient range is difficult to satisfy driving habits and use requirements of different drivers.

Disclosure of Invention

The embodiment of the application provides an automatic parking activation method and an automatic parking activation device, which are capable of obtaining preset automatic parking activation conditions required by drivers through setting the automatic parking activation conditions, so that driving habits and use requirements of different drivers can be met.

Other features and advantages of the application will be apparent from the following detailed description, or may be learned by the practice of the application.

According to a first aspect of an embodiment of the present application, there is provided an automatic parking activation method including:

setting an automatic parking activation condition to obtain a preset automatic parking activation condition, wherein the preset automatic parking activation condition comprises a preset gradient range;

judging whether the vehicle is braked and stopped;

when the vehicle is in braking and stopping, acquiring a gradient value when the vehicle is stopped;

and comparing the gradient value with a preset gradient range, and performing parking control on the vehicle according to a comparison result.

In some embodiments of the present application, based on the foregoing solution, the setting the automatic parking activation condition to obtain a preset automatic parking activation condition includes:

acquiring a current automatic parking activation condition, wherein the current automatic parking activation condition comprises a current gradient range;

Adjusting the current gradient range to obtain a preset gradient range;

and obtaining a preset automatic parking activation condition according to a preset gradient range.

In some embodiments of the present application, based on the foregoing, the adjusting the current gradient range to obtain the preset gradient range includes:

adjusting the gradient lower limit value of the current gradient range to obtain a lower limit adjusting value of the current gradient range;

and obtaining a preset gradient range according to the lower limit adjusting value of the current gradient range and the gradient upper limit value of the current gradient range.

In some embodiments of the present application, based on the foregoing solution, the adjusting the gradient lower limit value of the current gradient range, to obtain the lower limit adjustment value of the current gradient range includes:

and determining the adjusting range of the upper slope lower limit value of the current slope range according to the opening and closing conditions of the hill start auxiliary control system.

In some embodiments of the present application, based on the foregoing solutions, the determining, according to the opening and closing condition of the hill start auxiliary control system, the adjustment range of the upper slope lower limit value of the current slope range includes:

acquiring an up-slope automatic parking gradient lower limit critical value which is smaller than an up-slope gradient upper limit value of a current gradient range;

When the hill start auxiliary control system is started, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope gradient upper limit value of the current gradient range;

when the hill start auxiliary control system is closed, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope automatic parking gradient lower limit critical value.

In some embodiments of the present application, based on the foregoing scheme, the method further includes:

detecting the opening and closing conditions of the hill start auxiliary control system when the lower limit value of the uphill gradient of the preset gradient range is larger than the lower limit critical value of the automatic uphill parking gradient;

and after the hill start auxiliary control system is closed, changing the lower limit value of the uphill gradient of the preset gradient range into the lower limit critical value of the automatic uphill parking gradient.

In some embodiments of the present application, based on the foregoing solution, the comparing the gradient value with a preset gradient range, and performing parking control on the vehicle according to a comparison result, includes:

when the gradient value is in a preset gradient range, activating an automatic parking function;

and when the gradient value is out of the preset gradient range, the automatic parking function is not activated.

In some embodiments of the present application, based on the foregoing, after the automatic parking function is activated, the method further includes:

Maintaining an automatic parking function according to a preset time;

and after the preset time is exceeded, parking braking is carried out on the vehicle by adopting electronic parking.

In some embodiments of the present application, based on the foregoing, the preset automatic parking activation condition further includes an activatable condition indicating whether the automatic parking function is activatable when the vehicle is on different road surfaces including an uphill road surface, a horizontal road surface, and a downhill road surface.

In some embodiments of the present application, according to the actual situation of the driver, the preset gradient range is obtained by adjusting the current gradient range of the current automatic parking activation condition, and the preset automatic parking activation condition is obtained according to the preset gradient range, so that the preset automatic parking activation condition can meet the driving habit and the use requirement of the driver.

According to a second aspect of an embodiment of the present application, there is provided an automatic parking activation device, characterized in that the device includes:

the automatic parking activation device comprises a setting unit, a control unit and a control unit, wherein the setting unit is used for setting automatic parking activation conditions to obtain preset automatic parking activation conditions, and the preset automatic parking activation conditions comprise a preset gradient range;

a judging unit that judges whether the vehicle is braked and stopped;

An acquisition unit that acquires a gradient value when the vehicle is in a braking stop;

and the parking unit is used for comparing the gradient value with a preset gradient range and performing parking control on the vehicle according to a comparison result.

In some embodiments of the present application, based on the foregoing, the setting unit is configured to:

the first acquisition unit acquires a current automatic parking activation condition, wherein the current automatic parking activation condition comprises a current gradient range;

the first adjusting unit is used for adjusting the current gradient range to obtain a preset gradient range;

the first obtaining unit obtains preset automatic parking activating conditions according to a preset gradient range.

In some embodiments of the application, based on the foregoing, the first adjusting unit is configured to:

the second adjusting unit is used for adjusting the gradient lower limit value of the current gradient range to obtain a lower limit adjusting value of the current gradient range;

and the second obtaining unit is used for obtaining the preset gradient range according to the lower limit adjusting value of the current gradient range and the gradient upper limit value of the current gradient range.

In some embodiments of the application, based on the foregoing, the second adjusting unit is configured to:

the first determining unit determines the adjusting range of the upper slope gradient lower limit value of the current gradient range according to the opening and closing condition of the hill start auxiliary control system.

In some embodiments of the application, based on the foregoing scheme, the first determining unit is configured to:

acquiring an up-slope automatic parking gradient lower limit critical value which is smaller than an up-slope gradient upper limit value of a current gradient range;

when the hill start auxiliary control system is started, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope gradient upper limit value of the current gradient range;

when the hill start auxiliary control system is closed, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope automatic parking gradient lower limit critical value.

In some embodiments of the present application, based on the foregoing scheme, the method further includes:

the first detection unit detects the opening and closing conditions of the hill start auxiliary control system when the lower limit value of the uphill gradient of the preset gradient range is larger than the lower limit critical value of the automatic uphill parking gradient;

and the first changing unit is used for changing the lower limit value of the uphill gradient of the preset gradient range into the lower limit critical value of the uphill automatic parking gradient after the hill start auxiliary control system is closed.

In some embodiments of the present application, based on the foregoing, the parking unit is configured to:

When the gradient value is in a preset gradient range, activating an automatic parking function;

and when the gradient value is out of the preset gradient range, the automatic parking function is not activated.

In some embodiments of the present application, based on the foregoing, after the automatic parking function is activated, the method further includes:

the first maintenance unit maintains an automatic parking function according to a preset time;

and the first parking unit is used for carrying out parking braking on the vehicle by adopting electronic parking after the preset time is exceeded.

In some embodiments of the present application, based on the foregoing, the preset automatic parking activation condition further includes an activatable condition indicating whether the automatic parking function is activatable when the vehicle is on different road surfaces including an uphill road surface, a horizontal road surface, and a downhill road surface.

According to a third aspect of embodiments of the present application, there is provided a computer readable storage medium having stored thereon a computer program comprising executable instructions which, when executed by a processor, implement a method according to any of the embodiments of the first aspect described above.

According to a fourth aspect of an embodiment of the present application, there is provided an electronic device including: one or more processors; and a memory for storing executable instructions of the processor, which when executed by the one or more processors, cause the one or more processors to implement the method of any embodiment of the first aspect.

The advantages of the embodiments of the second aspect and the fourth aspect may be referred to the advantages of the first aspect and the embodiments of the first aspect, and are not described here again.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. It is evident that the drawings in the following description are only some embodiments of the present application and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. In the drawings:

FIG. 1 shows a flow chart of an automatic park activation method in an embodiment of the present application;

FIG. 2 illustrates a schematic diagram of adjusting a current grade range in an embodiment of the application;

FIG. 3 shows a schematic view of automatic downhill parking in an embodiment of the application;

FIG. 4 shows a schematic view of automatic uphill parking in an embodiment of the application;

fig. 5 shows a block diagram of an automatic parking activation device in an embodiment of the present application;

FIG. 6 is a schematic diagram of a computer-readable storage medium shown according to an embodiment of the application;

fig. 7 is a schematic diagram showing a system structure of an electronic device according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the application may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.

The block diagrams depicted in the figures are merely functional entities and do not necessarily correspond to physically separate entities. That is, the functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.

The flow diagrams depicted in the figures are exemplary only, and do not necessarily include all of the elements and operations/steps, nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Fig. 1 shows a flowchart of an automatic parking activation method in an embodiment of the present application, which may be performed by a device having a calculation processing function.

Referring to fig. 1, the present application provides an automatic parking activating method, at least including S1 to S4, which is described in detail as follows:

in step S1, an automatic parking activation condition is set, so as to obtain a preset automatic parking activation condition, where the preset automatic parking activation condition includes a preset gradient range.

Specifically, the automatic parking activation condition may be set in a self-defined manner, the preset gradient range represents gradient values required for activating the automatic parking function when the vehicle is on an inclined road surface and a horizontal road surface, the inclined road surface may include an ascending slope and a descending slope, the horizontal road surface requires gradient values required for activating the automatic parking function are 0, and the preset gradient range may include a preset gradient upper limit value, a preset gradient lower limit value and gradient values therebetween.

In step S2, it is determined whether the vehicle is braked and stopped.

Specifically, determining whether the vehicle is braked or stopped may be performed by detecting the vehicle speed, which may be performed by discussing the sensor.

In step S3, a gradient value is acquired when the vehicle is in a braking stop.

Specifically, the gradient value during vehicle parking can be acquired through a gradient sensor, and also can be acquired through information calculation of a Yaw-G sensor, the calculation process can be executed by an ESC system, the automatic parking function can be executed through the ESC system, the ESC system controls a motor to perform active pressure building, braking hydraulic pressure is built in a braking system to apply braking to the vehicle, and after a driver releases a brake pedal, the vehicle can maintain a parking state.

In step S4, the gradient value is compared with a preset gradient range, and the vehicle is subjected to parking control according to the comparison result.

Specifically, the parking control of the vehicle may include activating or not activating the automatic parking function, and according to the comparison result, the corresponding operation is performed, and when the automatic parking function is not activated, the step S2 may be returned.

For the automatic parking function, the switch for opening and closing the self-service parking function can be set in an on state, and after the step S1 is carried out, the second automatic parking activation condition can be stored through a memory, so that the vehicle can be automatically loaded when being electrified again after being electrified.

In the present application, the setting of the automatic parking activation condition to obtain the preset automatic parking activation condition includes:

acquiring a current automatic parking activation condition, wherein the current automatic parking activation condition comprises a current gradient range;

the current gradient range is adjusted to obtain a preset gradient range, the current gradient range can be adjusted in a self-defined adjustment mode, the current gradient range can be adjusted by adopting a vehicle-mounted human-computer interface, the current gradient range can be adjusted according to the actual requirement of a driver, the preset gradient range and the current gradient range can be different and can be the same, namely the gradient value adjustment range is 0, and the preset gradient range represents a gradient value required by activating an automatic parking function after the current gradient range is adjusted;

according to the preset gradient range, the preset automatic parking activation condition is obtained, the current gradient range of the current automatic parking activation condition can be replaced by the preset gradient range, the preset automatic parking activation condition is obtained, and compared with the current automatic parking activation condition, gradient values required for activating the automatic parking function are different or the same.

Specifically, the current automatic parking activation condition may be understood as a current condition of the vehicle for activating the automatic parking function, the current gradient range may be understood as a range of current gradient values required for activating the automatic parking function by the vehicle, when the vehicle is automatically parked with the memory function, by storing a preset automatic parking activation condition at the last closing, the current automatic parking activation condition for activating the automatic parking function after the vehicle is restarted this time is a preset automatic parking activation condition at the last closing of the vehicle, and the driver may further adjust the current automatic parking activation condition for activating the automatic parking function to a default automatic parking activation condition, such as a default condition at the factory of the vehicle, when the vehicle is automatically parked without the memory function.

In the present application, the adjusting the current gradient range to obtain the preset gradient range includes:

adjusting the gradient lower limit value of the current gradient range to obtain a lower limit adjusting value of the current gradient range;

and obtaining a preset gradient range according to the lower limit adjusting value of the current gradient range and the gradient upper limit value of the current gradient range.

Specifically, the lower limit adjustment value of the current gradient range can be understood as a preset gradient lower limit value of the gradient range, the gradient lower limit value of the current gradient range can be adjusted independently to adjust the upper gradient lower limit value of the current gradient range or the upper gradient upper limit value of the current gradient range, the upper gradient lower limit value of the current gradient range and the upper gradient upper limit value of the current gradient range can be adjusted simultaneously, the lower gradient lower limit value of the current gradient range or the lower gradient upper limit value of the current gradient range can be adjusted independently, the lower gradient lower limit value of the current gradient range and the lower gradient upper limit value of the current gradient range can be adjusted simultaneously, wherein the upper gradient lower limit value of the current gradient range belongs to the current automatic parking activation condition, the upper gradient upper limit value of the current gradient range is represented, the lower gradient lower limit value of the current automatic parking activation condition is represented, and the current automatic parking activation condition is represented.

Furthermore, the upper limit value of the upward gradient of the current gradient range and the upper limit value of the downward gradient of the current gradient range may be set to be non-adjustable, avoiding the occurrence of the following conditions:

for smaller grades, automatic parking may be activated for park maintenance of the vehicle, while for larger grades, automatic parking may not be activated.

In the present application, the adjusting the gradient lower limit value of the current gradient range to obtain the lower limit adjustment value of the current gradient range includes:

and determining the adjusting range of the upper slope lower limit value of the current slope range according to the opening and closing conditions of the hill start auxiliary control system.

In the application, the determining the adjusting range of the upper slope lower limit value of the current slope range according to the opening and closing conditions of the hill start auxiliary control system comprises the following steps:

acquiring an up-slope automatic parking gradient lower limit critical value which is smaller than an up-slope gradient upper limit value of a current gradient range;

when the hill start auxiliary control system is started, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope gradient upper limit value of the current gradient range;

when the hill start auxiliary control system is closed, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope automatic parking gradient lower limit critical value.

Specifically, regarding the lower limit threshold value of the automatic parking gradient for the uphill, when the vehicle is on a level road or a tiny uphill road, the idle driving force of the driver may cause the vehicle to run forward at a low speed or remain stationary without sliding on the uphill, the lower limit threshold value of the automatic parking gradient for the uphill may be understood as the maximum gradient of the vehicle that does not slide on the slope or runs forward at a low speed under the action of the idle driving force, and when the gradient of the uphill is greater than the lower limit threshold value of the automatic parking gradient for the uphill, the vehicle may slip backward, the lower limit threshold value of the automatic parking gradient for the uphill may be generally 5% to 10% depending on the type of the vehicle, and the off-road vehicle may be 15% or even higher.

When the hill start auxiliary control system is started, after the hill start auxiliary control system works, the vehicle can be prevented from sliding on an uphill, the lower limit value of the uphill gradient of the preset gradient range can be larger than the lower limit critical value of the automatic parking gradient of the uphill, the lower limit value of the uphill gradient of the current gradient range can be adjusted within the range from 0 to the upper limit value of the uphill gradient of the current gradient range, and after a driver releases a brake pedal, the hill auxiliary function can keep the vehicle stationary for about 2 seconds without sliding on the hill, so that the driver can operate an accelerator pedal, and the risk of sliding on the hill is almost eliminated.

When the hill start auxiliary control system is closed, the hill start auxiliary function does not work, the lower limit value of the upper slope gradient of the current gradient range does not exceed the lower limit critical value of the upper slope automatic parking gradient, the gradient between the lower limit critical value of the upper slope gradient of the upper slope automatic parking gradient and the upper limit value of the upper slope gradient of the current gradient range belongs to the gradient range capable of activating the upper slope automatic parking function, the situation that the vehicle is not in a hill start auxiliary state and is not available when the vehicle is in a larger gradient is avoided, the vehicle slides, meanwhile, the rear view is limited, and the driver is panicked and even safety accidents are caused.

In the present application, further comprising:

detecting the opening and closing conditions of the hill start auxiliary control system when the lower limit value of the uphill gradient of the preset gradient range is larger than the lower limit critical value of the automatic uphill parking gradient;

when the hill start auxiliary control system is closed, the lower limit value of the uphill gradient in the preset gradient range is changed into the lower limit critical value of the automatic uphill parking gradient, so that the potential safety hazard is avoided because the lower limit value of the uphill gradient in the preset gradient range is larger than the lower limit critical value of the automatic uphill parking gradient.

In the application, the comparison of the gradient value and the preset gradient range is performed, and the parking control is performed on the vehicle according to the comparison result, including:

When the gradient value is in a preset gradient range, activating an automatic parking function;

and when the gradient value is out of the preset gradient range, the automatic parking function is not activated.

In the present application, after the automatic parking function is activated, the method further comprises:

maintaining an automatic parking function according to a preset time;

and after the preset time is exceeded, parking braking is carried out on the vehicle by adopting electronic parking.

In the application, the preset automatic parking activation conditions further comprise activation enabling conditions which indicate whether the automatic parking function can be activated when the vehicle is on different road surfaces, wherein the different road surfaces comprise an ascending road surface, a horizontal road surface and a descending road surface.

Fig. 2 shows a schematic diagram of adjusting a first gradient range in the embodiment of the present application, fig. 3 shows a schematic diagram of automatic downhill parking in the embodiment of the present application, fig. 4 shows a schematic diagram of automatic uphill parking in the embodiment of the present application, and for better understanding of the embodiment, the embodiment is specifically described with reference to fig. 2, fig. 3 and fig. 4.

The point A corresponds to the maximum gradient of the automatic parking activation of the downhill road, the gradient of the point A is the upper limit value of the downhill gradient in the current gradient range, namely the max gradient on the left side of the graph 2, the point E corresponds to the minimum gradient of the automatic parking activation of the downhill road, the gradient of the point E is the lower limit value of the downhill gradient in the current gradient range, and can be set to 0%, namely the point E coincides with the point B, the gradient value between the point A and the point E is the lower gradient value of the current gradient range, the current gradient range of the downhill road is represented by the gradient value of the current gradient range, the point E coincides with the point B, at this moment, the gradient value between the point A and the point E is the lower gradient value of the preset gradient range after the position of the point E is adjusted, the lower gradient value of the preset gradient range belongs to the preset automatic parking activation condition, the lower gradient value of the preset gradient range represents the required value of the automatic parking activation of the downhill road, at this moment, the lower gradient value of the preset gradient range is represented by x% of the graph 3, the gradient value of the gradient range of the gradient B slides on the AB curve, namely the current gradient range of the current gradient is represented by the lower limit value of the automatic parking activation of the parking is not coincident with the lower limit value of the current gradient range, namely the lower limit value of the parking automatic gradient is represented by the lower limit value of the current gradient adjustment of the gradient range.

The point C corresponds to the maximum gradient of automatic parking activation of the uphill road, the gradient of the point C is the upper limit value of the uphill gradient of the current gradient range, namely the max gradient on the right side of the graph 2, the gradient of the point F is the upper limit value of the uphill gradient of the current gradient range, namely the point F coincides with the point B, the gradient value between the point C and the point F is the upper limit value of the current gradient range, the uphill gradient value of the current gradient range characterizes the current gradient range, the point F coincides with the point B as an example, at this moment, the upper limit value of the current gradient range is 0% to the max gradient of the graph 4, the gradient value between the point C and the point F is the upper limit value of the preset gradient range after adjusting the position of the point F, the upper limit value of the preset gradient range belongs to the preset automatic parking activation condition, the upper limit value is characterized in that the uphill road activates an automatic parking function, at this moment, the upper limit value of the preset gradient range is x% to max of the graph 4, the point F slides on the slope curve along with the sliding of the point F, namely the upper limit value of the point B coincides with the upper limit value of the current gradient range, namely the upper limit value of the current gradient range is not coincident with the upper limit value of the point B, namely the current gradient of the upper limit value of the automatic parking is equal to the current gradient range is reached, or the upper limit value of the automatic parking is not coincident with the upper limit value of the point B is reached, and the upper limit value of the current limit value is equal to the upper limit value of the current value is reached, namely the upper limit value is equal to the upper limit value of the upper limit value is reached when the upper limit value of the upper limit value is reached.

The gradient of the critical gradient point P in fig. 4 is the lower limit critical value of the automatic parking gradient of the upward slope, when the hill start auxiliary control system is turned on, the point F in fig. 4 can slide on the BC curve, and when the hill start auxiliary control system is turned off, the point F in fig. 4 can slide on the BP curve and cannot slide on the PC curve.

The max gradient corresponding to the point A and the max gradient corresponding to the point C can be set to be unadjustable, so that the following situations are avoided:

for smaller grades, automatic parking may be activated for park maintenance of the vehicle, while for larger grades, automatic parking may not be activated.

After the situation occurs, misoperation of a driver can be caused, automatic parking is not activated, slope sliding is generated, and braking safety and comfort of the driver are affected.

In summary, according to the actual situation of the driver, the current gradient range of the current automatic parking activation condition is adjusted to obtain the preset gradient range, and the preset automatic parking activation condition is obtained according to the preset gradient range, so that the preset automatic parking activation condition can meet the driving habit and the use requirement of the driver, the automatic parking function is prevented from being activated by part of gradient scenes, the driving comfort of the vehicle is influenced, the use convenience is enhanced, and the user experience and the use safety of the automatic parking function are improved.

Fig. 5 shows a block diagram of an automatic parking activation device in an embodiment of the present application, referring to fig. 5, according to a second aspect of an embodiment of the present application, there is provided an automatic parking activation device 100, the device comprising:

a setting unit 101, configured to set an automatic parking activation condition to obtain a preset automatic parking activation condition, where the preset automatic parking activation condition includes a preset gradient range;

a judging unit 102 that judges whether or not the vehicle is braked and stopped;

an acquisition unit 103 that acquires a gradient value when the vehicle is in a braking stop;

and the parking unit 104 compares the gradient value with a preset gradient range, and performs parking control on the vehicle according to the comparison result.

In the present application, the setting unit is configured to:

the first acquisition unit acquires a current automatic parking activation condition, wherein the current automatic parking activation condition comprises a current gradient range;

the first adjusting unit is used for adjusting the current gradient range to obtain a preset gradient range;

the first obtaining unit obtains preset automatic parking activating conditions according to a preset gradient range.

In the present application, the first adjusting unit is configured to:

the second adjusting unit is used for adjusting the gradient lower limit value of the current gradient range to obtain a lower limit adjusting value of the current gradient range;

And the second obtaining unit is used for obtaining the preset gradient range according to the lower limit adjusting value of the current gradient range and the gradient upper limit value of the current gradient range.

In the present application, the second adjusting unit is configured to:

the first determining unit determines the adjusting range of the upper slope gradient lower limit value of the current gradient range according to the opening and closing condition of the hill start auxiliary control system.

In some embodiments of the application, based on the foregoing scheme, the first determining unit is configured to:

acquiring an up-slope automatic parking gradient lower limit critical value which is smaller than an up-slope gradient upper limit value of a current gradient range;

when the hill start auxiliary control system is started, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope gradient upper limit value of the current gradient range;

when the hill start auxiliary control system is closed, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope automatic parking gradient lower limit critical value.

In the present application, further comprising:

the first detection unit detects the opening and closing conditions of the hill start auxiliary control system when the lower limit value of the uphill gradient of the preset gradient range is larger than the lower limit critical value of the automatic uphill parking gradient;

And the first changing unit is used for changing the lower limit value of the uphill gradient of the preset gradient range into the lower limit critical value of the uphill automatic parking gradient after the hill start auxiliary control system is closed.

In the present application, the parking unit is configured to:

when the gradient value is in a preset gradient range, activating an automatic parking function;

and when the gradient value is out of the preset gradient range, the automatic parking function is not activated.

In the present application, after the automatic parking function is activated, the method further comprises:

the first maintenance unit maintains an automatic parking function according to a preset time;

and the first parking unit is used for carrying out parking braking on the vehicle by adopting electronic parking after the preset time is exceeded.

In the application, the preset automatic parking activation conditions further comprise activation enabling conditions which indicate whether the automatic parking function can be activated when the vehicle is on different road surfaces, wherein the different road surfaces comprise an ascending road surface, a horizontal road surface and a descending road surface.

Based on the same inventive concept, as a third aspect, the present application also provides a computer-readable storage medium having stored thereon a program product capable of implementing the automatic parking activation method described above in the present specification. In some possible embodiments, the various aspects of the application may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the application as described in the "exemplary methods" section of this specification, when said program product is run on the terminal device.

Referring to fig. 6, a program product 200 for implementing the above-described method according to an embodiment of the present application is described, which may employ a portable compact disc read-only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present application is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.

The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

The computer readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.

Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Program code for carrying out operations of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).

On the other hand, the application also provides electronic equipment capable of realizing the method.

Those skilled in the art will appreciate that the various aspects of the application may be implemented as a system, method, or program product. Accordingly, aspects of the application may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.

An electronic device 300 according to this embodiment of the application is described below with reference to fig. 7. The electronic device 300 shown in fig. 7 is only an example and should not be construed as limiting the functionality and scope of use of embodiments of the application.

As shown in fig. 7, the electronic device 300 is embodied in the form of a general purpose computing device. Components of electronic device 300 may include, but are not limited to: the at least one processing unit 310, the at least one memory unit 320, and a bus 330 connecting the various system components, including the memory unit 320 and the processing unit 310.

Wherein the storage unit stores program code that is executable by the processing unit 310 such that the processing unit 310 performs the steps according to various exemplary embodiments of the present application described in the above-mentioned "example methods" section of the present specification.

The storage unit 320 may include a readable medium in the form of a volatile storage unit, such as a Random Access Memory (RAM) 321 and/or a cache memory 322, and may further include a Read Only Memory (ROM) 323.

The storage unit 320 may also include a program/utility 324 having a set (at least one) of program modules 325, such program modules 325 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.

Bus 330 may be one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

The electronic device 300 may also communicate with one or more external devices 400 (e.g., keyboard, pointing device, bluetooth device, etc.), one or more devices that enable a user to interact with the electronic device 300, and/or any device (e.g., router, modem, etc.) that enables the electronic device 300 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 350. Also, electronic device 300 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 360. As shown, the network adapter 360 communicates with other modules of the electronic device 300 over the bus 330. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 300, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.

The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software that is executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the application and the appended claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated in one processing unit, each unit may exist alone physically, or two or more units may be integrated in one unit.

In the several embodiments provided in the present application, it should be understood that the disclosed technology 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 components may or may not be physically separate, and components as control devices may or may not be physical units, may be located in one place, or may be distributed over 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.

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 application 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 application. 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 above description is only an example of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. An automatic parking activation method, comprising:

setting an automatic parking activation condition to obtain a preset automatic parking activation condition, wherein the preset automatic parking activation condition comprises a preset gradient range;

judging whether the vehicle is braked and stopped;

when the vehicle is in braking and stopping, acquiring a gradient value when the vehicle is stopped;

and comparing the gradient value with a preset gradient range, and performing parking control on the vehicle according to a comparison result.

2. The automatic parking activation method according to claim 1, wherein the setting the automatic parking activation condition to obtain a preset automatic parking activation condition includes:

acquiring a current automatic parking activation condition, wherein the current automatic parking activation condition comprises a current gradient range;

adjusting the current gradient range to obtain a preset gradient range;

And obtaining a preset automatic parking activation condition according to a preset gradient range.

3. The automatic parking activation method according to claim 2, wherein the adjusting the current gradient range to obtain the preset gradient range includes:

adjusting the gradient lower limit value of the current gradient range to obtain a lower limit adjusting value of the current gradient range;

and obtaining a preset gradient range according to the lower limit adjusting value of the current gradient range and the gradient upper limit value of the current gradient range.

4. The automatic parking activation method according to claim 3, wherein the adjusting the gradient lower limit value of the current gradient range to obtain the lower limit adjustment value of the current gradient range includes:

and determining the adjusting range of the upper slope lower limit value of the current slope range according to the opening and closing conditions of the hill start auxiliary control system.

5. The automatic parking activation method according to claim 4, wherein the determining the adjustment range of the upper slope lower limit value of the current slope range according to the opening and closing condition of the hill start assist control system includes:

acquiring an up-slope automatic parking gradient lower limit critical value which is smaller than an up-slope gradient upper limit value of a current gradient range;

When the hill start auxiliary control system is started, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope gradient upper limit value of the current gradient range;

when the hill start auxiliary control system is closed, the adjusting range of the upper slope gradient lower limit value of the current gradient range is 0 to the upper slope automatic parking gradient lower limit critical value.

6. The automatic parking activation method according to claim 5, further comprising:

detecting the opening and closing conditions of the hill start auxiliary control system when the lower limit value of the uphill gradient of the preset gradient range is larger than the lower limit critical value of the automatic uphill parking gradient;

and after the hill start auxiliary control system is closed, changing the lower limit value of the uphill gradient of the preset gradient range into the lower limit critical value of the automatic uphill parking gradient.

7. The automatic parking activation method according to claim 1, wherein the comparing the gradient value with a preset gradient range, and performing parking control on the vehicle according to the comparison result, comprises:

when the gradient value is in a preset gradient range, activating an automatic parking function;

and when the gradient value is out of the preset gradient range, the automatic parking function is not activated.

8. The automatic parking activation method according to claim 7, further comprising, after the activation of the automatic parking function:

maintaining an automatic parking function according to a preset time;

and after the preset time is exceeded, parking braking is carried out on the vehicle by adopting electronic parking.

9. The automatic parking activation method according to claim 1, wherein the preset automatic parking activation condition further includes an activatable condition indicating whether the automatic parking function is activatable when the vehicle is on different road surfaces including an ascending road surface, a horizontal road surface, and a descending road surface.

10. An automatic parking activation device, characterized in that the device comprises:

the automatic parking activation device comprises a setting unit, a control unit and a control unit, wherein the setting unit is used for setting automatic parking activation conditions to obtain preset automatic parking activation conditions, and the preset automatic parking activation conditions comprise a preset gradient range;

a judging unit that judges whether the vehicle is braked and stopped;

an acquisition unit that acquires a gradient value when the vehicle is in a braking stop;

and the parking unit is used for comparing the gradient value with a preset gradient range and performing parking control on the vehicle according to a comparison result.