CN114435381B - Vehicle data recording method and storage medium - Google Patents
Vehicle data recording method and storage medium Download PDFInfo
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- CN114435381B CN114435381B CN202210177697.4A CN202210177697A CN114435381B CN 114435381 B CN114435381 B CN 114435381B CN 202210177697 A CN202210177697 A CN 202210177697A CN 114435381 B CN114435381 B CN 114435381B
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000001052 transient effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/095—Predicting travel path or likelihood of collision
- B60W30/0956—Predicting travel path or likelihood of collision the prediction being responsive to traffic or environmental parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0002—Automatic control, details of type of controller or control system architecture
- B60W2050/0004—In digital systems, e.g. discrete-time systems involving sampling
- B60W2050/0005—Processor details or data handling, e.g. memory registers or chip architecture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
Abstract
The invention relates to a vehicle data recording method and a storage medium, wherein the method comprises the following steps: 1) The intelligent driving auxiliary system sends out an event message, wherein event attributes are attached to the event message; 2) Corresponding vehicle data is recorded according to the event attribute of the event message. The vehicle data recording method not only triggers data recording according to the relative position relation between the vehicle and the specific object, but also can output event messages in more complex scenes through the intelligent driving auxiliary system, so that the vehicle data recording is more comprehensive, and the problem of intelligent development requirements of automobiles can be met. The effects of comprehensively recording vehicle data and improving driving safety are achieved. In addition, when the intelligent driving auxiliary system monitors that the event does not occur, the intelligent driving auxiliary system can also send out an early warning message to prompt a vehicle driver to pay attention to the prevention of the occurrence of the event in time, so that the effect of improving the driving safety is achieved.
Description
Technical Field
The invention belongs to the technical field of automobile intellectualization, and particularly relates to a vehicle data recording method and a storage medium.
Background
Vehicle data recording is particularly important during vehicle travel. At present, an automobile is generally provided with an automobile data recorder, and the automobile data recorder is used for recording picture information in front of a vehicle when the vehicle runs, and analyzing reasons and judging responsibilities of the accident according to recorded data after the vehicle accident occurs.
Chinese patent CN108230485a discloses a vehicle data recorder including a recorder configured to record vehicle data into a storage device when a relative positional relationship between a host vehicle and an object detected based on object information acquired by an object information acquirer is a specific relationship. For example, the specific relationship is a relationship in which steering operations for driving the own vehicle to avoid the object are estimated to be performed due to the presence of the object. That is, vehicle data in the case where there is an object having a specific relationship may be recorded in the storage device. However, the vehicle data recorder can trigger the vehicle data recording only when a certain condition is met based on the relative position relation between the vehicle and a specific object, cannot be used for vehicle data recording in a complex vehicle running environment, and cannot meet the early warning and data recording of the vehicle state in more scenes.
Along with the rapid development of the intellectualization of automobiles, the range of recording vehicle data is also larger and larger, and the vehicle data when an accident occurs, the vehicle data before the accident, the vehicle state information, the surrounding environment data of the vehicle, the fault information of the vehicle and the like are recorded; at present, more and more vehicles are equipped with intelligent driving assistance systems, and the intelligent driving assistance systems can also predict and identify dangerous information such as vehicle states, vehicle surrounding environments, vehicle tracks, collision accidents and the like from a satisfactory state in the face of complex vehicle running scenes. Therefore, it is imperative to make a more comprehensive record of vehicle data by means of a vehicle intelligent driving assistance system and to timely transmit danger information to a user to prevent an accident.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a vehicle data recording method and a storage medium, solve the problems that the existing vehicle data recording is incomplete and the intelligent development requirement of an automobile is difficult to meet, and obtain the effects of comprehensively recording the vehicle data and improving the driving safety.
In order to solve the technical problems, the invention adopts the following technical scheme:
a vehicle data recording method comprising the steps of:
1) The intelligent driving auxiliary system sends out an event message, wherein event attributes are attached to the event message;
2) Corresponding vehicle data is recorded according to the event attribute of the event message.
Further, step 1) comprises the following sub-steps:
11 The intelligent driving auxiliary system acquires vehicle state information and vehicle exterior environment information through the vehicle-mounted sensor;
12 Judging whether the vehicle is in a dangerous state or not according to the vehicle state information and the vehicle exterior environment information, if so, immediately sending out an event message.
Further, event attributes include event ID, event type, occurrence time, and end time.
Further, event types include transient events and process events; the instantaneous event is an event which only occurs at a certain moment, does not exist continuously and has the same occurrence time and ending event; a process event refers to an event that persists for a period of time after it occurs, with a period of time interval between the time of occurrence and the time of end.
Further, step 2) comprises the following sub-steps:
21 Determining a data acquisition period;
22 Collecting corresponding vehicle data;
23 Judging whether the vehicle data corresponding to the data acquisition period is acquired or not, if yes, executing the step 24); if not, go to step 22);
24 Judging whether a new event occurs in the data acquisition period, if so, executing the step 25); if not, go to step 26);
25 Re-determining the data acquisition period;
26 Record collected vehicle data.
Further, step 2) further comprises the sub-steps of:
20 Judging whether the event does not occur according to the event attribute of the event message, if so, sending out vehicle early warning information to remind a driver of paying attention to the vehicle state.
Further, step 20) judges whether the event does not occur according to the event attribute of the event message as follows: comparing the occurrence time of the event with the current time, and judging that the event does not occur if the occurrence time of the event is after the current time.
Further, the operation of step 21) determining the data acquisition period is as follows: and extending forward for a period of time based on the occurrence time of the event to obtain forward recording time, extending backward for a period of time based on the ending time of the event to obtain backward recording time, and acquiring data in a period from the forward recording time to the backward recording time.
Further, step 25) redetermines the data acquisition period as follows: and continuing to extend the backward recording time backwards for a period of time to obtain a new backward recording time, wherein the data acquisition period is from the forward recording time to the new backward recording time.
The present invention also includes a storage medium storing one or more programs for execution by a processor to perform the steps of a vehicle data recording method as described above.
Compared with the prior art, the invention has the following beneficial effects:
1. the vehicle data recording method mainly comprises the following two steps: firstly, the intelligent driving auxiliary system monitors the environment state of the vehicle in real time, when abnormal conditions occur, event information is sent out, the currently triggered event attribute is marked, and secondly, the vehicle data is recorded according to the event attribute. According to the vehicle data recording method, the data recording is triggered according to the relative position relation between the vehicle and the specific object, event messages in more complex scenes can be output through the intelligent driving auxiliary system, the vehicle data recording is more comprehensive, and the intelligent development requirement of the automobile can be met. The effects of comprehensively recording vehicle data and improving driving safety are achieved.
2. According to the vehicle data recording method, when the intelligent driving auxiliary system monitors that an event does not occur, the intelligent driving auxiliary system can also send out an early warning message to prompt a vehicle driver to pay attention to preventing the occurrence of the event in time, so that the effect of improving driving safety is achieved.
Drawings
FIG. 1 is an overall flow chart of a vehicle data recording method of an embodiment;
FIG. 2 is a logic flow diagram of a vehicle data recording method of an embodiment;
FIG. 3 is a schematic diagram of a transient event and a corresponding data acquisition period according to an embodiment;
FIG. 4 is a schematic diagram of a process event and a corresponding data acquisition cycle according to an embodiment;
fig. 5 is a schematic diagram of a multi-event scenario and a corresponding data acquisition period according to an embodiment.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Examples:
referring to fig. 1, a vehicle data recording method includes the following steps:
1) The intelligent driving auxiliary system sends out an event message, wherein event attributes are attached to the event message; step 1) comprises the following sub-steps:
11 The intelligent driving auxiliary system acquires vehicle state information and vehicle exterior environment information through the vehicle-mounted sensor; the vehicle-mounted sensor comprises a radar, a camera and the like;
12 Judging whether the vehicle is in a dangerous state or not according to the vehicle state information and the vehicle exterior environment information, if so, immediately sending out an event message.
When the method is implemented, whether the vehicle is in a dangerous state or not can be judged through an image recognition technology and a data fusion technology based on the vehicle state information and the vehicle exterior environment information;
the event attribute comprises an event ID, an event type, an occurrence time and an ending time; event types include transient events and process events; the instantaneous event is an event which only occurs at a certain moment, does not exist continuously and has the same occurrence time and ending event; a process event refers to an event that persists for a period of time after it occurs, with a period of time interval between the time of occurrence and the time of end.
2) Recording corresponding vehicle data according to the event attribute of the event message;
referring to fig. 2, step 2) includes the following sub-steps:
20 Judging whether the event does not occur according to the event attribute of the event message, wherein the specific operation is as follows: comparing the occurrence time of the event with the current time, and judging that the event does not occur if the occurrence time of the event is after the current time;
if the current event is judged not to occur, vehicle early warning information is sent to remind a driver of paying attention to the vehicle state, and the driver is timely reminded of paying attention to preventing the occurrence of the accident;
when the method is implemented, the vehicle early warning information can be sent out in a mode of voice early warning, central control display screen display early warning or steering wheel vibration early warning and the like.
21 Determining a data acquisition period; referring to fig. 3 and 4, the specific operation of determining the data acquisition period is as follows: extending forward for a period of time based on the occurrence time of the event to obtain forward recording time, extending backward for a period of time based on the ending time of the event to obtain backward recording time, and acquiring data in a period from the forward recording time to the backward recording time;
22 Corresponding vehicle data is collected, and the specific operation is as follows: acquiring vehicle data in the range of the data acquisition period from the buffer memory area according to the data acquisition period, and storing the vehicle data in a nonvolatile memory;
23 Judging whether the vehicle data corresponding to the data acquisition period is acquired or not, if yes, executing the step 24); if not, go to step 22);
the specific operation is as follows: if the vehicle data in the buffer area can not meet the range of the data acquisition period, firstly acquiring the part which is already contained in the data acquisition period, then waiting for the vehicle data to be loaded into the buffer area, and then continuously acquiring the part of the vehicle data which is not acquired;
24 Judging whether a new event occurs in the data acquisition period, if so, performing step 25), namely, a multi-event scene; if not, go to step 26);
25 Re-determining the data acquisition period; step 21) and step 25) are represented by a single box in fig. 2, but the meanings expressed are not the same at different times;
referring to fig. 5, the specific operation of redefining the data acquisition period is as follows: and continuing to extend the backward recording time backwards for a period of time to obtain a new backward recording time, wherein the data acquisition period is from the forward recording time to the new backward recording time.
26 Record collected vehicle data.
The vehicle data recording method mainly comprises the following two steps: firstly, the intelligent driving auxiliary system monitors the environment state of the vehicle in real time, when abnormal conditions occur, event information is sent out, the currently triggered event attribute is marked, and secondly, the vehicle data is recorded according to the event attribute. According to the vehicle data recording method, the data recording is triggered according to the relative position relation between the vehicle and the specific object, event messages in more complex scenes can be output through the intelligent driving auxiliary system, the vehicle data recording is more comprehensive, and the intelligent development requirement of the automobile can be met. The effects of comprehensively recording vehicle data and improving driving safety are achieved. In addition, when the intelligent driving auxiliary system monitors that the event does not occur, the intelligent driving auxiliary system can also send out an early warning message to prompt a vehicle driver to pay attention to the prevention of the occurrence of the event in time, so that the effect of improving the driving safety is achieved.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (7)
1. A vehicle data recording method characterized by: the method comprises the following steps:
1) The intelligent driving auxiliary system sends out an event message, wherein event attributes are attached to the event message;
2) Recording corresponding vehicle data according to the event attribute of the event message;
step 2) comprises the following sub-steps:
21 Determining a data acquisition period;
22 Collecting corresponding vehicle data;
23 Judging whether the vehicle data corresponding to the data acquisition period is acquired or not, if yes, executing the step 24); if not, go to step 22);
24 Judging whether a new event occurs in the data acquisition period, if so, executing the step 25); if not, go to step 26);
25 Re-determining the data acquisition period;
26 Recording the collected vehicle data;
step 21) the operation of determining the data acquisition period is as follows: extending forward for a period of time based on the occurrence time of the event to obtain forward recording time, extending backward for a period of time based on the ending time of the event to obtain backward recording time, and acquiring data in a period from the forward recording time to the backward recording time;
step 25) redetermining the data acquisition period operates as follows: and continuing to extend the backward recording time backwards for a period of time to obtain a new backward recording time, wherein the data acquisition period is from the forward recording time to the new backward recording time.
2. A vehicle data recording method according to claim 1, wherein: step 1) comprises the following sub-steps:
11 The intelligent driving auxiliary system acquires vehicle state information and vehicle exterior environment information through the vehicle-mounted sensor;
12 Judging whether the vehicle is in a dangerous state or not according to the vehicle state information and the vehicle exterior environment information, if so, immediately sending out an event message.
3. A vehicle data recording method according to claim 1, wherein: event attributes include event ID, event type, occurrence time, and end time.
4. A vehicle data recording method according to claim 3, wherein: event types include transient events and process events; the instantaneous event is an event which only occurs at a certain moment, does not exist continuously and has the same occurrence time and ending event; a process event refers to an event that persists for a period of time after it occurs, with a period of time interval between the time of occurrence and the time of end.
5. A vehicle data recording method according to claim 3, wherein: step 2) further comprises the sub-steps of: 20 Judging whether the event does not occur according to the event attribute of the event message, if so, sending out vehicle early warning information to remind a driver of paying attention to the vehicle state.
6. A vehicle data recording method according to claim 5, wherein: step 20) judging whether the event does not occur according to the event attribute of the event message as follows: comparing the occurrence time of the event with the current time, and judging that the event does not occur if the occurrence time of the event is after the current time.
7. A storage medium, characterized by: the storage medium stores one or more programs that are executed by a processor to perform the steps of a vehicle data recording method according to any one of claims 1 to 6.
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| CN202210177697.4A CN114435381B (en) | 2022-02-25 | 2022-02-25 | Vehicle data recording method and storage medium |
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| CN202210177697.4A CN114435381B (en) | 2022-02-25 | 2022-02-25 | Vehicle data recording method and storage medium |
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| CN114435381B true CN114435381B (en) | 2024-02-27 |
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| CN114435381A (en) | 2022-05-06 |
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