CN107433921B - Vehicle running state monitoring method, device and system - Google Patents
Vehicle running state monitoring method, device and system Download PDFInfo
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- CN107433921B CN107433921B CN201710264468.5A CN201710264468A CN107433921B CN 107433921 B CN107433921 B CN 107433921B CN 201710264468 A CN201710264468 A CN 201710264468A CN 107433921 B CN107433921 B CN 107433921B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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Abstract
The invention discloses a vehicle running state monitoring method, device and system. The method comprises the following steps: acquiring current driving data of a vehicle by adopting a vehicle-mounted positioning module; receiving and storing the current driving data; determining that both the current driving data and historical driving data having a preset time interval with the current driving data are valid; and monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current driving data and the effective historical driving data. The invention monitors the running state of the vehicle on the premise of determining that the running data of the vehicle is effective so as to accurately and effectively monitor the running state of the vehicle.
Description
Technical Field
The embodiment of the invention relates to the technical field of automobiles, in particular to a method, a device and a system for monitoring a vehicle running state.
Background
Along with the development of society, the living standard of people is continuously improved, vehicles are more and more, and the cases of accidents are more and more. Therefore, monitoring the running state of the vehicle becomes more and more important, on one hand, the driver is warned of the need of safe driving, and on the other hand, the analysis of the cause of the traffic accident is also convenient. How to accurately and effectively monitor the running state of the vehicle is an urgent problem to be solved.
Disclosure of Invention
The invention provides a method, a device and a system for monitoring a vehicle running state, which are used for accurately and effectively monitoring the vehicle running state.
In a first aspect, an embodiment of the present invention provides a vehicle operating state monitoring method, including:
acquiring current driving data of a vehicle by adopting a vehicle-mounted positioning module;
receiving and storing the current driving data;
determining that both the current driving data and historical driving data having a preset time interval with the current driving data are valid;
and monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current driving data and the effective historical driving data.
Preferably, the abnormal operation state includes a sudden acceleration, a sudden deceleration, and a sudden turn.
Preferably, the travel data of the vehicle includes at least a time, a speed corresponding to the time, and a direction angle.
Preferably, the determining that both the current travel data and the historical travel data having a preset time interval from the current travel data are valid includes: and if the current driving data comprises the current time, the current speed and the current direction angle corresponding to the current time, and the historical driving data with the preset time interval with the current driving data comprises the historical time, the historical speed and the historical direction angle corresponding to the historical time, determining that the current driving data and the historical driving data with the preset time interval with the current driving data are both effective.
Preferably, the monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the valid current driving data and the valid historical driving data includes:
calculating the acceleration, the direction angle change value and the angular speed of the vehicle at the preset time interval according to the current running data and the historical running data;
if the acceleration is greater than a rapid acceleration threshold, the vehicle is in rapid acceleration; if the acceleration is smaller than a rapid deceleration threshold value, the vehicle is in rapid deceleration; if the current speed is greater than or equal to a first speed threshold value, the direction angle change value is greater than or equal to a first direction angle change threshold value, and the angular speed is greater than a first angular speed threshold value, or the current speed is less than the first speed threshold value and greater than or equal to a second speed threshold value, the direction angle change value is greater than or equal to a second direction angle change threshold value, and the angular speed is greater than a second angular speed threshold value, the vehicle is in a sharp turn.
In a second aspect, an embodiment of the present invention provides a vehicle operating condition monitoring apparatus, including:
the driving data acquisition execution module is used for acquiring the current driving data of the vehicle by adopting the vehicle-mounted positioning module;
the driving data receiving and storing module is used for receiving and storing the current driving data;
the driving data validity determining module is used for determining that the current driving data and historical driving data with a preset time interval with the current driving data are valid;
and the abnormal operation state monitoring module is used for monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current running data and the effective historical running data.
Preferably, the abnormal operation state comprises rapid acceleration, rapid deceleration and rapid turning; the travel data of the vehicle includes at least a time, a speed and a direction angle corresponding to the time.
Preferably, the driving data validity determination module is specifically configured to: and if the current driving data comprises the current time, the current speed and the current direction angle corresponding to the current time, and the historical driving data with the preset time interval with the current driving data comprises the historical time, the historical speed and the historical direction angle corresponding to the historical time, determining that the current driving data and the historical driving data with the preset time interval with the current driving data are both effective.
Preferably, the abnormal operation state monitoring module is specifically configured to:
calculating the acceleration, the direction angle change value and the angular speed of the vehicle at the preset time interval according to the current running data and the historical running data;
if the acceleration is greater than a rapid acceleration threshold, the vehicle is in rapid acceleration; if the acceleration is smaller than a rapid deceleration threshold value, the vehicle is in rapid deceleration; if the current speed is greater than or equal to a first speed threshold value, the direction angle change value is greater than or equal to a first direction angle change threshold value, and the angular speed is greater than a first angular speed threshold value, or the current speed is less than the first speed threshold value and greater than or equal to a second speed threshold value, the direction angle change value is greater than or equal to a second direction angle change threshold value, and the angular speed is greater than a second angular speed threshold value, the vehicle is in a sharp turn.
In a third aspect, an embodiment of the present invention provides a vehicle operating state monitoring system, including a vehicle-mounted positioning module, a vehicle-mounted communication module, and the device of the second aspect, where the vehicle-mounted positioning module communicates with the device in real time through the vehicle-mounted communication module.
The method comprises the steps of acquiring current driving data of a vehicle by adopting a vehicle-mounted positioning module; receiving and storing the current driving data; determining that both the current driving data and historical driving data having a preset time interval with the current driving data are valid; and monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current driving data and the effective historical driving data, so that the vehicle operation state is monitored on the premise of determining that the driving data of the vehicle is effective, and the vehicle operation state is accurately and effectively monitored.
Drawings
Fig. 1 is a flowchart of a vehicle operation state monitoring method according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a vehicle operation state monitoring apparatus according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a vehicle operation state monitoring system according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a vehicle operation state monitoring method according to an embodiment of the present invention, where the embodiment is applicable to a situation where an operation state of a vehicle is monitored in real time, and the method may be executed by a vehicle operation state monitoring device, and the device may be implemented by hardware and/or software. The method specifically comprises the following steps:
the method comprises the steps that in the running process of a vehicle, a vehicle-mounted positioning module obtains current running data of the vehicle, wherein the running data of the vehicle at least comprise time, speed and direction angles corresponding to the time.
Specifically, with the satellite positioning module of the on-board positioning terminal mounted on the vehicle, the satellite positioning module can acquire the travel data of the vehicle in real time at preset time intervals, for example, it can be set to acquire and output the travel data once per second, and the travel data generally includes longitude, latitude, speed, direction angle, year, month, hour, minute, second, millisecond, and the like.
102, receiving and storing the current driving data;
and receiving and storing the current driving data sent by a vehicle-mounted communication module connected with the vehicle-mounted positioning module. Thus, the history traveling data and the current traveling data are obtained.
103, determining that the current driving data and historical driving data with a preset time interval with the current driving data are both effective;
the satellite positioning module can lose satellite signals and cannot perform effective positioning due to the fact that the satellite positioning module is shielded by buildings such as a high-rise building in the using process, namely the driving data of the vehicle cannot be effectively acquired, and the driving data of the vehicle is incomplete at the moment. Therefore, after the current driving data and the historical driving data with the preset time interval with the current driving data are determined to be valid, the running state of the vehicle is monitored, and the monitoring can be accurate and effective.
Specifically, step 103 includes:
and if the current driving data comprises the current time, the current speed and the current direction angle corresponding to the current time, and the historical driving data with the preset time interval with the current driving data comprises the historical time, the historical speed and the historical direction angle corresponding to the historical time, determining that the current driving data and the historical driving data with the preset time interval with the current driving data are both effective.
For example, the historical driving data having a preset time interval with the current driving data may be previous driving data of the vehicle acquired by the on-board positioning module, for example, when the driving data acquisition interval of the on-board positioning module is 1 second, the historical driving data having a preset time interval with the current driving data may be driving data of the previous second of the vehicle acquired by the on-board positioning module. Of course, the preset time interval of the historical travel data and the current travel data, which have the preset time interval with the current travel data here, may be the same as or different from the time interval of the positioning module acquiring the travel data of the vehicle. In order to obtain a higher-accuracy monitoring result, the preset time interval between the historical driving data having the preset time interval with the current driving data and the current driving data may be set to be relatively smaller, and a person skilled in the art may specifically set the preset time interval according to actual needs, which is not specifically limited by the present invention.
And 104, monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current running data and the effective historical running data.
And monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current running data and the effective historical running data, wherein the abnormal operation state comprises rapid acceleration, rapid deceleration and rapid turning.
Specifically, step 104 includes:
calculating the acceleration, the direction angle change value and the angular speed of the vehicle at the preset time interval according to the current running data and the historical running data;
if the acceleration is greater than a rapid acceleration threshold, the vehicle is in rapid acceleration; if the acceleration is smaller than a rapid deceleration threshold value, the vehicle is in rapid deceleration; if the current speed is greater than or equal to a first speed threshold value, the direction angle change value is greater than or equal to a first direction angle change threshold value, and the angular speed is greater than a first angular speed threshold value, or the current speed is less than the first speed threshold value and greater than or equal to a second speed threshold value, the direction angle change value is greater than or equal to a second direction angle change threshold value, and the angular speed is greater than a second angular speed threshold value, the vehicle is in a sharp turn.
For example, corresponding to the current time is the current velocity v (unit: km/h) and the current direction angle w (unit: degree); and a preset time interval is formed between the current moment and the current moment, the preset time interval is 1 second, and the historical speed v 'and the historical direction angle w' correspond to the historical moment.
1) The current velocity v is subtracted from the previous-second historical velocity v' to obtain an acceleration a (unit: m/s2) If a>m is regarded as a first rapid acceleration, and m is a rapid acceleration threshold value; if a<And n is regarded as a rapid deceleration, and n is a rapid deceleration threshold value. The rapid acceleration threshold value and the rapid deceleration threshold value can be preset according to actual experience: for example, m is 2.7m/s2，n＝4m/s2. It should be noted that, a person skilled in the art may specifically set the rapid acceleration threshold and the rapid deceleration threshold according to actual needs, and the present invention is not limited to this specifically.
2) The current direction angle W is subtracted from the historical direction angle W' to obtain a direction angle change value W (unit: degree), the unit of the direction angle change value W is converted from degree to radian unit, the radian value is 2 pi W/360, and the radian value is multiplied by the current speed v to obtain the angular speed r (unit: radians/sec).
If the current speed V is more than or equal to V1The direction angle change value W is more than or equal to W1And the angular velocity r>R1If so, the vehicle is regarded as a sharp turn; if the current speed V is1≥v≥V2The direction angle change value W is more than or equal to W2And the angular velocity r>R2It is also considered to be a sharp turn. Wherein, V1Is a first speed threshold value, V2Is a second speed threshold, W1Is a first direction angle change threshold, W2Is a second direction angle change threshold, R1Is a first angular velocity threshold, R2Is a secondAn angular velocity threshold. The first speed threshold V can be determined empirically1Second speed threshold V2First direction angle change threshold value W1Second direction angle change threshold value W2First threshold value of angular velocity R1And a second angular velocity threshold R2Presetting: for example, V1＝80km/h；V2＝20km/h；W16 degrees; w215 degrees; r15 rad/sec; r 22 rad/sec. It should be noted that, a person skilled in the art may specifically set the first speed threshold, the second speed threshold, the first direction angle change threshold, the second direction angle change threshold, the first angular velocity threshold, and the second angular velocity threshold according to actual needs, which is not specifically limited by the present invention.
According to the technical scheme, the current driving data of the vehicle is acquired by adopting the vehicle-mounted positioning module; receiving and storing the current driving data; determining that both the current driving data and historical driving data having a preset time interval with the current driving data are valid; and monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current driving data and the effective historical driving data, so that the vehicle operation state is monitored on the premise of determining that the driving data of the vehicle is effective, and the vehicle operation state is accurately and effectively monitored.
The following is an embodiment of a vehicle operation state monitoring device provided in the detailed implementation of the present invention, and the embodiment of the device is implemented based on the above embodiment of the method, and please refer to the above embodiment of the method for the device.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of a vehicle operation state monitoring device according to a second embodiment of the present invention. As shown in fig. 2, the vehicle running state monitoring apparatus 1 includes:
the driving data acquisition execution module 101 is used for acquiring the current driving data of the vehicle by adopting a vehicle-mounted positioning module;
a driving data receiving and storing module 102, configured to receive and store the current driving data;
a running data validity determination module 103 configured to determine that both the current running data and historical running data having a preset time interval from the current running data are valid;
and an abnormal operation state monitoring module 104, configured to monitor whether the vehicle is in an abnormal operation state at a preset time interval according to the valid current driving data and the valid historical driving data.
Wherein the abnormal operation state comprises rapid acceleration, rapid deceleration and rapid turning; the travel data of the vehicle includes at least a time, a speed and a direction angle corresponding to the time.
On the basis of the above technical solution, specifically, the driving data validity determination module 103 is configured to: and if the current driving data comprises the current time, the current speed and the current direction angle corresponding to the current time, and the historical driving data with the preset time interval with the current driving data comprises the historical time, the historical speed and the historical direction angle corresponding to the historical time, determining that the current driving data and the historical driving data with the preset time interval with the current driving data are both effective.
The abnormal operation state monitoring module 104 is specifically configured to:
calculating the acceleration, the direction angle change value and the angular speed of the vehicle at the preset time interval according to the current running data and the historical running data;
if the acceleration is greater than a rapid acceleration threshold, the vehicle is in rapid acceleration; if the acceleration is smaller than a rapid deceleration threshold value, the vehicle is in rapid deceleration; if the current speed is greater than or equal to a first speed threshold value, the direction angle change value is greater than or equal to a first direction angle change threshold value, and the angular speed is greater than a first angular speed threshold value, or the current speed is less than the first speed threshold value and greater than or equal to a second speed threshold value, the direction angle change value is greater than or equal to a second direction angle change threshold value, and the angular speed is greater than a second angular speed threshold value, the vehicle is in a sharp turn.
According to the technical scheme of the embodiment, the modules are mutually cooperated, so that the running state of the vehicle is monitored on the premise that the running data of the vehicle is determined to be effective, and the running state of the vehicle is accurately and effectively monitored.
EXAMPLE III
Referring to fig. 3, fig. 3 is a schematic structural diagram of a vehicle operation state monitoring system according to a third embodiment of the present invention. As shown in fig. 3, the vehicle operation state monitoring system includes a vehicle-mounted positioning module 2, a vehicle-mounted communication module 3 and a vehicle operation state monitoring device 1 according to a second embodiment, wherein the vehicle-mounted positioning module 2 communicates with the device 1 in real time through the vehicle-mounted communication module 3.
Specifically, the real-time communication mode is a wireless communication mode.
According to the technical scheme, the vehicle running data is obtained through the vehicle-mounted positioning module, the vehicle running data is sent to the vehicle running state monitoring device through the vehicle-mounted communication module, and the vehicle running state monitoring device monitors the vehicle running state on the premise that the fact that the vehicle running data is effective is determined, so that the vehicle running state can be accurately and effectively monitored in a remote mode.
In addition, on the basis of the technical scheme, the vehicle running state monitoring system further comprises an alarm module. On one hand, the alarm module can be connected with the vehicle running state monitoring device 1, and the alarm module is used for giving an alarm when the vehicle running state monitoring device 1 monitors that the vehicle is in an abnormal running state, so that a worker beside the vehicle running state monitoring device 1 can conveniently carry out remote management on the vehicle. On the other hand, the alarm module can be the on-vehicle alarm module who sets up in the vehicle, on-vehicle alarm module pass through communication module with vehicle running state monitoring device 1 carries out real time communication, works as vehicle running state monitoring device 1 monitors the vehicle is in unusual running state and sends the alarm instruction of sending out the police dispatch newspaper to on-vehicle alarm device through communication module, on-vehicle alarm module is according to the alarm instruction sends out the police dispatch newspaper, and this kind of setting is convenient for carry out real-time alarm to the driver, improves driving safety.
The vehicle running state monitoring system further comprises a storage module. The storage module is connected with the vehicle running state monitoring device 1, and the storage module is used for storing the time when the vehicle running state monitoring device 1 monitors that the vehicle is in the abnormal running state and the abnormal running state corresponding to the time when the abnormal running state of the vehicle occurs. The arrangement is convenient for later accident and driving behavior analysis.
The product can execute the method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (3)
1. A vehicle running state monitoring method characterized by comprising:
acquiring current driving data of a vehicle by adopting a vehicle-mounted positioning module;
the driving data of the vehicle at least comprises time, speed and direction angle corresponding to the time;
receiving and storing the current driving data;
determining that both the current driving data and historical driving data having a preset time interval with the current driving data are valid;
the determining that both the current travel data and the historical travel data having a preset time interval from the current travel data are valid includes: if the current driving data comprises a current time, a current speed and a current direction angle corresponding to the current time, and the historical driving data with a preset time interval with the current driving data comprises a historical time, a historical speed and a historical direction angle corresponding to the historical time, determining that the current driving data and the historical driving data with the preset time interval with the current driving data are both valid;
monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current driving data and the effective historical driving data;
the abnormal operation state comprises rapid acceleration, rapid deceleration and rapid turning;
the monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current driving data and the effective historical driving data comprises the following steps:
calculating the acceleration, the direction angle change value and the angular speed of the vehicle at the preset time interval according to the current running data and the historical running data;
if the acceleration is greater than a rapid acceleration threshold, the vehicle is in rapid acceleration; if the acceleration is smaller than a rapid deceleration threshold value, the vehicle is in rapid deceleration; if the current speed is greater than or equal to a first speed threshold value, the direction angle change value is greater than or equal to a first direction angle change threshold value, and the angular speed is greater than a first angular speed threshold value, or the current speed is less than the first speed threshold value and greater than or equal to a second speed threshold value, the direction angle change value is greater than or equal to a second direction angle change threshold value, and the angular speed is greater than a second angular speed threshold value, the vehicle is in a sharp turn.
2. A vehicle running state monitoring apparatus, characterized by comprising:
the vehicle-mounted positioning module is used for acquiring current driving data of a vehicle, and the driving data of the vehicle at least comprises time, speed and direction angle corresponding to the time;
the driving data receiving and storing module is used for receiving and storing the current driving data;
the driving data validity determining module is used for determining that the current driving data and historical driving data with a preset time interval with the current driving data are valid;
the driving data validity determination module is specifically configured to: if the current driving data comprises a current time, a current speed and a current direction angle corresponding to the current time, and the historical driving data with a preset time interval with the current driving data comprises a historical time, a historical speed and a historical direction angle corresponding to the historical time, determining that the current driving data and the historical driving data with the preset time interval with the current driving data are both valid;
the abnormal operation state monitoring module is used for monitoring whether the vehicle is in an abnormal operation state at a preset time interval according to the effective current running data and the effective historical running data, wherein the abnormal operation state comprises rapid acceleration, rapid deceleration and rapid turning;
the abnormal operation state monitoring module is specifically used for:
calculating the acceleration, the direction angle change value and the angular speed of the vehicle at the preset time interval according to the current running data and the historical running data;
if the acceleration is greater than a rapid acceleration threshold, the vehicle is in rapid acceleration; if the acceleration is smaller than a rapid deceleration threshold value, the vehicle is in rapid deceleration; if the current speed is greater than or equal to a first speed threshold value, the direction angle change value is greater than or equal to a first direction angle change threshold value, and the angular speed is greater than a first angular speed threshold value, or the current speed is less than the first speed threshold value and greater than or equal to a second speed threshold value, the direction angle change value is greater than or equal to a second direction angle change threshold value, and the angular speed is greater than a second angular speed threshold value, the vehicle is in a sharp turn.
3. A vehicle running state monitoring system, characterized by comprising a vehicle-mounted positioning module, a vehicle-mounted communication module and the device according to claim 2, wherein the vehicle-mounted positioning module communicates with the device in real time through the vehicle-mounted communication module.
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| CN111462354A (en) * | 2020-03-31 | 2020-07-28 | 深圳市元征科技股份有限公司 | Driving behavior recognition method and device, terminal equipment and computer storage medium |
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