CN113630746A - Dormancy method, dormancy system, readable storage medium and vehicle - Google Patents
Dormancy method, dormancy system, readable storage medium and vehicle Download PDFInfo
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- CN113630746A CN113630746A CN202110800494.1A CN202110800494A CN113630746A CN 113630746 A CN113630746 A CN 113630746A CN 202110800494 A CN202110800494 A CN 202110800494A CN 113630746 A CN113630746 A CN 113630746A
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- 230000005059 dormancy Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000007958 sleep Effects 0.000 claims abstract description 159
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000006855 networking Effects 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000007726 management method Methods 0.000 description 38
- 230000006266 hibernation Effects 0.000 description 18
- 230000006870 function Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 208000019116 sleep disease Diseases 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a dormancy method, a system, a readable storage medium and a vehicle, wherein the dormancy method is applied to an intelligent gateway of the vehicle, the intelligent gateway is in communication connection with an ECU (electronic control unit), and the dormancy method comprises the following steps: acquiring the current state of the vehicle; judging whether the vehicle is in a preset state needing to be dormant or not; when the vehicle is judged to be in a preset state needing to be dormant, judging whether an ECU (electronic control unit) meets a dormancy condition within preset time; when the ECU control unit is judged not to meet the dormancy condition within the preset time, the ECU control unit is controlled to meet the dormancy condition; and sending a sleep command to the ECU control unit so as to sleep the ECU control unit through the sleep command. The invention solves the problem of low safety of automatic driving in the prior art. The invention solves the problem that in the prior art, when a vehicle is in a dormant state, all nodes participating in network management of the whole vehicle cannot be in the dormant state because a certain electronic control unit cannot enter the dormant state all the time, and vehicle feeding is easily caused.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a sleeping method, a sleeping system, a readable storage medium and an automobile.
Background
With the continuous development of society, automobiles enter thousands of households, new energy automobiles are more and more favored by people due to green environmental protection, and with the deepening of the electric, intelligent and networking development of the automobiles, more and more modules need to realize functions after the whole automobiles are powered off, and nodes participating in network management are also increased continuously.
Therefore, the current mainstream network management method manages nodes participating in network management through an OSEK (open systems and the associated interfaces for automatic electronics) automotive electronic open system and a corresponding interface standard, whereas OSEK direct network management is implemented by using a logical ring structure and by actively broadcasting NM messages of messages.
In the prior art, because of the unique network management sleeping and waking mechanism of the OSEK, when a software BUG or an internal fault of a component of an electronic Control unit (ecu) (electronic Control unit) causes that the corresponding ecu (electronic Control unit) cannot enter into a sleeping state all the time, all nodes participating in network management of the entire vehicle cannot sleep, which may easily cause a power shortage problem of the vehicle.
Disclosure of Invention
In view of this, the present invention aims to provide a hibernation method, a hibernation system, a readable storage medium and a vehicle, which aim to solve the problem in the prior art that when a vehicle is in hibernation, all nodes participating in network management of the entire vehicle cannot be hibernated because a certain electronic control unit cannot enter the hibernation all the time, which is likely to cause vehicle feeding.
The embodiment of the invention is realized as follows: 1. a sleep method is applied to an intelligent gateway of a vehicle, wherein the intelligent gateway is in communication connection with an ECU (electronic control unit), and the method comprises the following steps:
acquiring the current state of the vehicle;
judging whether the vehicle is in a preset state needing to be dormant or not;
when the vehicle is judged to be in the preset state needing to be dormant, judging whether the ECU meets a dormancy condition within preset time;
when the ECU control unit is judged not to meet the sleep condition within the preset time, controlling the ECU control unit to meet the sleep condition;
and sending a sleep command to the ECU control unit so as to sleep the ECU control unit through the sleep command.
Further, the sleep method, wherein, when it is determined that the vehicle is in the preset sleep-required state, the step of determining whether the ECU control unit satisfies the sleep condition within a preset time further includes:
when the ECU is judged not to meet the dormancy condition within the preset time, judging whether the current residual capacity of a storage battery of the vehicle is lower than a preset threshold value or not;
if yes, controlling the ECU to meet the dormancy condition;
if not, waiting for the ECU to automatically meet the dormancy condition;
judging whether the current residual electric quantity of a storage battery of the vehicle is lower than a preset threshold value or not in the process of waiting for the ECU to automatically meet the dormancy condition;
and if so, controlling the ECU to meet the dormancy condition when the current residual capacity of the storage battery of the vehicle is lower than a preset threshold value.
Further, in the foregoing sleep method, when it is determined that the ECU control unit does not satisfy the sleep condition within the preset time, the step of controlling the ECU control unit to satisfy the sleep condition specifically includes:
and controlling the ECU to send a network management message of a dormancy indication position so that an indicated value on the dormancy indication position of the ECU meets a preset dormancy numerical value.
Further, the foregoing sleep method, wherein after the step of sending a sleep command to the ECU control unit to sleep the ECU control unit by the sleep command, further includes:
when the vehicle is awakened, acquiring an awakening network management message of the first awakened target ECU,
sending the awakening network management message to a vehicle networking module so as to forward the awakening network management message to a user through the vehicle networking module;
the wake-up network management message at least comprises the name of the target ECU and a corresponding wake-up reason.
Further, the sleep method, wherein the step of sending the wake-up network management message to a car networking module to be forwarded to a user through the car networking module further includes:
counting the name of the target ECU in the wake-up network management message and the corresponding wake-up reason within a preset time period;
sending a prompt message when the number of times of the awakening reason of the target ECU reaches a preset number, wherein the prompt message is used for prompting a user
Another object of an embodiment of the present invention is to provide a sleep system, which is applied in an intelligent gateway of a vehicle, wherein the intelligent gateway is in communication connection with an ECU control unit, and the system includes:
the state acquisition module is used for acquiring the current state of the vehicle;
the dormancy judgment module is used for judging whether the vehicle is in a preset dormancy state needing to be dormant or not;
the condition judgment module is used for judging whether the ECU meets a dormancy condition within a preset time when the vehicle is judged to be in the preset dormancy state;
the sleep control module is used for controlling the ECU to meet the sleep condition when the ECU is judged not to meet the sleep condition within the preset time;
and the dormancy module is used for sending a dormancy instruction to the ECU control unit so as to enable the ECU control unit to be dormant through the dormancy instruction.
Further, the sleep system described above, wherein the system further comprises:
the electric quantity judging module is used for judging whether the current residual electric quantity of a storage battery of the vehicle is lower than a preset threshold value or not when the ECU control unit is judged to not meet the dormancy condition within the preset time;
if yes, controlling the ECU to meet the dormancy condition;
if not, waiting for the ECU to meet the dormancy condition;
judging whether the current residual capacity of a storage battery of the vehicle is lower than a preset threshold value or not in the process of waiting for the ECU to meet the dormancy condition;
and if so, controlling the ECU to meet the dormancy condition when the current residual capacity of the storage battery of the vehicle is lower than a preset threshold value.
Further, in the foregoing sleep system, the sleep control module is specifically configured to:
and controlling the ECU to send a network management message of a dormancy indication position so that an indicated value on the dormancy indication position of the ECU meets a preset dormancy numerical value.
It is a further object of embodiments of the invention to provide a readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the steps of the method as described above.
It is a further object of embodiments of the invention to provide a vehicle comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method as described above when executing the program.
According to the embodiment of the invention, when the vehicle needs to be in the dormant state, the ECU control unit is forced to send the dormant instruction to sleep the ECU control unit after meeting the dormant condition in the preset time when the ECU control unit is judged not to meet the dormant condition, so that the problem that the whole vehicle cannot be in the dormant state due to the fact that a single ECU control unit cannot enter the dormant state due to self reasons when the vehicle needs to be in the dormant state is avoided, the electric quantity consumption of the vehicle in the state needing to be in the dormant state is reduced, and the storage battery of the vehicle is prevented from feeding electricity.
Drawings
Fig. 1 is a schematic structural diagram of a sleep control system according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a hibernation method according to a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating a hibernation method according to a second embodiment of the present invention;
FIG. 4 is a flowchart illustrating a hibernation method according to a third embodiment of the present invention;
FIG. 5 is a block diagram illustrating a sleep system according to a fourth embodiment of the present invention;
the following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed types.
In the prior art, due to a unique network management dormancy and wakeup mechanism of the OSEK, when an automobile sleeps or wakes up, when one of the ecu (electronic Control unit) electronic Control units sleeps or wakes up, the ecu (electronic Control unit) electronic Control unit can sleep or wake up in cooperation with the other ecu (electronic Control unit) electronic Control unit, so that when software of a certain ecu (electronic Control unit) electronic Control unit has a BUG or an internal fault of a component causes that the corresponding ecu (electronic Control unit) electronic Control unit cannot enter the dormancy all the time, all nodes participating in network management of the whole automobile cannot sleep, and the problem of vehicle feeding is easily caused.
Therefore, an object of the present invention is to provide a hibernation method, a hibernation system, a readable storage medium, and a vehicle, which are used to solve the problem in the prior art that when a vehicle needs to be hibernated, all nodes participating in network management of the entire vehicle cannot be hibernated because a certain electronic control unit cannot enter the hibernation all the time, which is likely to cause vehicle feeding.
The following embodiments can be applied to the sleep control system shown in fig. 1, where the structure shown in fig. 1 is the sleep control system provided in an embodiment of the present invention, and includes a GW gateway, a plurality of ECU control units respectively communicatively connected to the GW gateway, and a vehicle-mounted remote communication module (T-BOX module), where:
the GW gateway connected between the multiple network segments needs to perform cooperative sleep wake-up to support the use of the functions of an electrical appliance after the vehicle is powered off, besides the function of signal transmission, and the GW gateway can monitor the network management messages and application messages on each network segment.
It should be noted that the configuration shown in FIG. 1 is not intended to limit the sleep control system, and in other embodiments, the sleep control system may include fewer or more components than shown, or some components may be combined, or a different arrangement of components. How to force the ECU control unit that cannot perform the sleep to reduce the power consumption of the battery when the vehicle needs to perform the sleep will be described in detail below with reference to specific embodiments and drawings.
Example one
Referring to fig. 2, a hibernation method according to a first embodiment of the present invention is applied to an intelligent gateway of a vehicle, wherein the intelligent gateway is communicatively connected to an ECU control unit, and the method includes steps S10 to S14.
Step S10, the current state of the vehicle is acquired.
Step S11, judging whether the vehicle is in a preset sleep-needing state; and executing step S12 when the vehicle is judged to be in the preset sleep-required state.
The method comprises the steps of judging whether a vehicle is in a preset state needing to be dormant or not, wherein the judgment is that whether the current state of the vehicle meets the preset state needing to be dormant or not, the preset state needing to be dormant comprises the situation that after the whole vehicle is powered off or all ECU control units are dormant, one ECU control unit is abnormally awakened, and at the moment, in order to save the power consumption of a storage battery of the vehicle, the ECU control units in the vehicle need to be dormant.
Step S12, determining whether the ECU control unit satisfies a sleep condition within a preset time; if not, go to step S13.
The sleep condition can be used for judging whether sleep control can be carried out on the corresponding ECU, when a vehicle needs to sleep, the ECU can smoothly enter a sleep state only when the sleep condition is met, wherein the ECU can not meet the sleep condition when bug occurs in software in the ECU, the preset time is set to reserve enough reaction time for the ECU, the preset time can be set to be 30min, 40min and 50min, and selection can be made according to actual conditions.
In some optional embodiments of the present invention, the preset time may be set according to an electric quantity of the storage battery after the vehicle is powered off, and when the electric quantity of the storage battery is low after the vehicle is powered off, the preset time may be set to be low, so as to avoid that the sleep waiting time is too long due to too long preset time, thereby causing serious battery feeding.
Step S13, controlling the ECU control unit to satisfy the sleep condition.
When the vehicle needs to be in a sleep state, the current ECU (electronic control unit) can not meet the sleep condition due to software bug and the like, and at the moment, the problem that one or more ECU control units cannot enter the sleep state and other ECU control units cannot enter the sleep state to excessively consume the electric quantity of the storage battery is avoided. The sleep state should be forcibly satisfied for the ECU control unit that does not satisfy the sleep condition to be able to control the ECU control unit to enter the sleep.
Specifically, the network management message of the dormancy indication position bit can be sent by controlling the ECU control unit, so that the indicated value on the dormancy indication position of the ECU control unit meets the preset dormancy value, and the ECU control unit meets the dormancy condition.
And step S14, sending a sleep command to the ECU control unit so as to sleep the ECU control unit through the sleep command.
The sleep instruction can be transmitted in the form of an electric signal, a wireless signal or a voice signal, and the sleep instruction is used for triggering the operation of a sleep program corresponding to the ECU node so as to enable the ECU node to enter a sleep state.
In summary, according to the sleep method in the above embodiment of the present invention, when the vehicle needs to be in sleep, when it is determined that the ECU control unit does not meet the sleep condition within the preset time, the ECU control unit is forced to send the sleep instruction to sleep the ECU control unit after meeting the sleep condition, so that it is avoided that the entire vehicle cannot sleep because a single ECU control unit cannot enter the sleep state due to its own reason when the vehicle needs to be in sleep, the power consumption of the vehicle in the state that the vehicle needs to be in sleep is reduced, and the battery of the vehicle is prevented from being fed.
Example two
Referring to fig. 3, an automatic driving method according to a second embodiment of the present invention is shown, applied to an intelligent gateway of a vehicle, wherein the intelligent gateway is in communication with an ECU control unit, and the method includes steps S20 to S28.
Step S20, the current state of the vehicle is acquired.
Step S21, judging whether the vehicle is in a preset sleep-needing state; and executing step S22 when the vehicle is judged to be in the preset sleep-required state.
Step S22, it is determined whether the ECU control unit satisfies a sleep condition within a preset time. If not, go to step S23.
Step S23, judging whether the current residual capacity of the storage battery of the vehicle is lower than a preset threshold value; if so, go to step S24, otherwise, go to step S25.
When it is determined that the ECU control unit does not satisfy the sleep condition within the preset time, it may be determined whether to force the ECU control unit that does not satisfy the sleep condition to satisfy the sleep condition by determining whether the current remaining power of the battery of the vehicle is lower than a preset threshold, where the preset threshold may be set according to an actual situation, for example, 35% of the battery power and 40% of the battery power, and may be selected according to the actual situation.
In some alternative embodiments of the present invention, the preset threshold may be set according to the service life of the battery and the current ambient temperature.
For example, when the service life of the storage battery is longer, the preset threshold value can be set to be a little higher than the normal condition in consideration of the damage of the battery health degree of the storage battery, so as to avoid serious power feeding of the storage battery; when the battery is in a low temperature environment, for example, in winter or in a high altitude area, the preset threshold may be set a little higher than the normal case in consideration of the reduction in the cruising ability of the battery, so as to avoid the battery from being heavily fed.
Step S24, the ECU control unit is controlled to satisfy the sleep condition.
Step S25, the ECU control unit waits for the sleep condition to be satisfied by itself.
Step S26, in the process of waiting for the ECU control unit to satisfy the hibernation condition by itself, determining whether the current remaining capacity of the battery of the vehicle is lower than a preset threshold. If yes, go to step S27.
It can be understood that although the manner of forcibly controlling the ECU control unit to satisfy the hibernation condition is feasible, the long-term forcible control of the ECU control unit to satisfy the hibernation condition may damage the ECU control unit to some extent, and may wait for the ECU control unit to satisfy the hibernation condition by itself before the current remaining capacity of the battery of the vehicle is lower than the preset threshold.
And step S27, controlling the ECU to meet the dormancy condition when the current residual capacity of the storage battery of the vehicle is lower than a preset threshold value.
When the current residual capacity of the storage battery of the vehicle is lower than a preset threshold, at this time, in order to avoid serious battery feeding, the ECU control unit must be put into a sleep state, and when the current residual capacity of the storage battery of the vehicle is lower than the preset threshold, the ECU control unit is forcibly controlled to meet a sleep condition.
And step S28, sending a sleep command to the ECU control unit so as to sleep the ECU control unit through the sleep command.
In summary, in the sleep method according to the above-mentioned embodiment of the present invention, when the vehicle needs to go to sleep, by forcing the ECU to satisfy the sleep condition and then sending the sleep command to sleep the ECU when the ECU does not satisfy the sleep condition within the preset time, and acquires the current remaining capacity of the battery of the vehicle before forcing the ECU control unit to satisfy the sleep condition, the ECU control unit automatically meets the dormancy condition before the current residual electric quantity of the storage battery of the vehicle is lower than the preset threshold value, the problem that the whole vehicle cannot be dormant due to the fact that a single ECU control unit cannot enter the dormancy state due to self reasons when the vehicle needs to be dormant is avoided, the electric quantity consumption of the vehicle in the state needing to be dormant is reduced, the ECU control unit is prevented from being damaged when the ECU control unit is frequently forced to meet the dormancy condition for many times.
EXAMPLE III
Referring to fig. 4, an automatic driving method according to a third embodiment of the present invention is shown, applied to an intelligent gateway of a vehicle, wherein the intelligent gateway is in communication with an ECU control unit, and the method includes steps S30 to S36.
Step S30, the current state of the vehicle is acquired.
Step S31, judging whether the vehicle is in a preset sleep-needing state; and executing step S32 when the vehicle is judged to be in the preset sleep-required state.
Step S32, determining whether the ECU control unit satisfies a sleep condition within a preset time; if not, go to step S33.
Step S33, controlling the ECU control unit to satisfy the sleep condition.
And step S34, sending a sleep command to the ECU control unit so as to sleep the ECU control unit through the sleep command.
Step S35, when the vehicle is awakened, acquiring the awakening network management message of the first awakened target ECU,
wherein, when the vehicle is awakened after being in a dormant state, the awakening network management message of the first awakened target ECU is obtained, specifically, the awakening network management message at least comprises the name of the target ECU and the corresponding awakening reason, and whether the target ECU is abnormally awakened or not can be known by obtaining the name of the first awakened target ECU and the corresponding awakening reason,
and step S36, sending the awakening network management message to a vehicle networking module so as to forward the awakening network management message to a user through the vehicle networking module.
The awakening network management message can be sent to the Internet of vehicles module through the Internet of vehicles module, the awakening condition of the ECU control unit can be conveniently checked by a client through forwarding the awakening network management message to the user through the Internet of vehicles module, the awakening network management message is uploaded to the cloud background through the Internet of vehicles module when the awakening network management message is specifically implemented, and the user downloads the relevant awakening network management message through the cloud background.
In some optional embodiments of the present invention, within a preset time period, the name of the target ECU control unit in the wake-up network management message and the corresponding wake-up reason are counted;
and sending prompt information when the repetition frequency of the awakening reason of the target ECU reaches a preset frequency, wherein the prompt information is used for prompting a user.
The name of the target ECU in the awakening network management message and the corresponding awakening reason are counted, the number of times of appearance of the name of the awakened target ECU in a preset time period can be known, wherein the preset time period can be set to three days, five days or one week, and can be set according to actual conditions.
In some optional embodiments of the present invention, the setting of the preset time period may be set according to the current vehicle condition, and when the number of times of abnormal awakening of the current vehicle is relatively frequent, the preset time period may be appropriately shortened to quickly know the target ECU control unit which is abnormally awakened and the reason of the abnormal awakening, so as to maintain the target ECU control unit which is abnormally awakened.
For example, when the door handle microswitch of the vehicle is in a stuck state, the whole vehicle can wake up a whole vehicle network after sleeping, so that the ECU control units on all buses are always in a working state, for the situation, the abnormal wake-up reason of the door handle microswitch in the stuck state can be counted, and when the frequency of the abnormal wake-up reason of the door handle microswitch in the stuck state exceeds a preset frequency, the condition that the door handle microswitch is possibly damaged can be known, and a user is prompted to repair or replace the door handle microswitch by sending prompt information, wherein the preset frequency can be set to 3 times, 4 times or 5 times, is not limited here, and can be set according to the actual situation; by way of example and not limitation, the prompt message may be a voice broadcast mode of the vehicle-mounted system, or may be a mode of sending text messages to the mobile phone of the user.
In summary, in the sleep method in the above embodiments of the present invention, when the vehicle needs to be in a sleep state, when it is determined that the ECU control unit does not meet the sleep condition within the preset time, the ECU control unit is forced to send the sleep instruction after meeting the sleep condition to sleep the ECU control unit, and the vehicle awakening condition is monitored after the vehicle is in the sleep state, and when the vehicle is awakened, the first awakening target ECU control unit and the corresponding awakening reason are recorded, so that the problem that the entire vehicle cannot be in the sleep state due to the fact that a single ECU control unit cannot enter the sleep state due to its own reason when the vehicle needs to be in the sleep state is avoided, and the ECU control unit that is abnormally awakened and the reason for abnormal awakening of the entire vehicle can be known while the power consumption of the vehicle in the sleep state is reduced.
Example four
Referring to fig. 5, a sleep system according to a fourth embodiment of the present invention is applied to an intelligent gateway of a vehicle, wherein the intelligent gateway is in communication connection with an ECU control unit, and the system includes:
a state obtaining module 100, configured to obtain a current state of the vehicle;
the dormancy judging module 200 is used for judging whether the vehicle is in a preset dormancy state needing to be dormant or not;
the condition judging module 300 is configured to judge whether the ECU satisfies a sleep condition within a preset time when it is judged that the vehicle is in the preset sleep-required state;
a sleep control module 400, configured to control the ECU to meet the sleep condition when it is determined that the ECU does not meet the sleep condition within a preset time;
a hibernation module 500, configured to send a hibernation instruction to the ECU control unit to hibernate the ECU control unit through the hibernation instruction
Further, in the sleep system, the sleep control module 400 is specifically configured to:
and controlling the ECU to send a network management message of a dormancy indication position so that an indicated value on the dormancy indication position of the ECU meets a preset dormancy numerical value.
Further, in some optional embodiments of the invention, the system further comprises:
the electric quantity judging module is used for judging whether the current residual electric quantity of a storage battery of the vehicle is lower than a preset threshold value or not when the ECU control unit is judged to not meet the dormancy condition within the preset time;
if yes, controlling the ECU to meet the dormancy condition;
if not, waiting for the ECU to meet the dormancy condition;
judging whether the current residual capacity of a storage battery of the vehicle is lower than a preset threshold value or not in the process of waiting for the ECU to meet the dormancy condition;
and if so, controlling the ECU to meet the dormancy condition when the current residual capacity of the storage battery of the vehicle is lower than a preset threshold value.
Further, in some optional embodiments of the invention, the system further comprises:
the message acquisition module is used for acquiring a wake-up network management message of a first wake-up target ECU when the vehicle is awakened;
the message sending module is used for sending the awakening network management message to the Internet of vehicles module so as to forward the awakening network management message to the user for further use through the Internet of vehicles module;
the wake-up network management message at least comprises the name of the target ECU and a corresponding wake-up reason.
In some optional embodiments of the invention, the system further comprises:
the statistic module is used for counting the name of the target ECU in the awakening network management message and the corresponding awakening reason within a preset time period;
and the prompting module is used for sending out prompting information when the repetition times of the awakening reasons of the target ECU reach preset times, and the prompting information is used for prompting a user.
The functions or operation steps of the above modules when executed are substantially the same as those of the above method embodiments, and are not described herein again.
EXAMPLE five
Another aspect of the present invention also provides a readable storage medium on which a computer program is stored, the program, when executed by a processor, implementing the steps of the method according to any one of embodiments 1 to 3 above.
EXAMPLE six
In another aspect, the present invention further provides a vehicle, wherein the vehicle testing device comprises a memory, a processor and a computer program stored in the memory and executable on the processor, and the processor implements the steps of the method of any one of the above embodiments 1 to 3 when executing the program.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Those of skill in the art will understand that the logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be viewed as implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
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