CN114633682A - Method and device for driving control - Google Patents
Method and device for driving control Download PDFInfo
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- CN114633682A CN114633682A CN202011487719.4A CN202011487719A CN114633682A CN 114633682 A CN114633682 A CN 114633682A CN 202011487719 A CN202011487719 A CN 202011487719A CN 114633682 A CN114633682 A CN 114633682A
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- steering wheel
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- hand area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
- B60Q1/346—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction with automatic actuation
Abstract
The embodiment of the invention provides a driving control method and device, belongs to the technical field of safe driving, and can at least partially solve the problem that a steering lamp is inconvenient to control when an existing vehicle turns. The driving control method comprises the following steps: under the driving state of the vehicle, periodically acquiring detection data of each position of the steering wheel, and determining a holding position on the steering wheel, which is held by a driver, according to the detection data; controlling the left turn signal lamp to be turned on when the pressure of the grasping position of the left hand area is at least greater than the pressure of the grasping position of the right hand area by a first predetermined pressure; and controlling the right turn lamp to be turned on when the pressure at the grasping position of the right hand area is greater than the pressure at the grasping position of the left hand area by at least a first predetermined pressure.
Description
Technical Field
The embodiment of the invention belongs to the technical field of safe driving, and particularly relates to a driving control method and device.
Background
Many vehicles all need the driver to operate the indicator light alone when turning, changing lanes, or the steering wheel can light the indicator light when turning to great extent, very inconvenient.
Disclosure of Invention
The embodiment of the invention at least partially solves the problem that the steering lamp control is inconvenient when the existing vehicle turns, and provides a method and a device for conveniently controlling the driving control of the steering lamp.
In a first aspect, an embodiment of the present invention provides a method for driving control, including:
the method comprises the steps that detection data of all positions of a steering wheel are obtained periodically in a vehicle running state, and a holding position on the steering wheel, which is held by a driver, is determined according to the detection data;
controlling the left turn signal lamp to be turned on when the pressure of the grasping position of the left hand area is at least greater than the pressure of the grasping position of the right hand area by a first predetermined pressure; and controlling the right turn lamp to be turned on when the pressure at the grasping position of the right hand area is greater than the pressure at the grasping position of the left hand area by at least a first predetermined pressure.
Optionally, the periodically acquiring the detection data of each position of the steering wheel includes:
and periodically detecting detection data of each position on the steering wheel, wherein the detection period is controlled by the longest linear feedback shift register sequence.
Optionally, the detection data includes pressure and/or temperature; the determining of the grasping position on the steering wheel, which is grasped by the driver, based on the detection data includes:
when the temperature of a position on the steering wheel is within a preset body temperature range and the temperatures of other positions are not within the preset body temperature range, determining the position with the temperature within the preset body temperature range as a holding position;
and/or the presence of a gas in the atmosphere,
when the pressure of the position on the steering wheel exceeds a second preset pressure, the position with the pressure exceeding the second preset pressure is determined as a holding position.
Optionally, the method further includes:
determining that violation exists when the preset safety condition is not met continuously within preset time; the safety condition includes simultaneously: there are and only two said holding positions on the steering wheel; the two holding positions are respectively positioned in a left-hand area and a right-hand area of the steering wheel; the central angle corresponding to the arc section of the steering wheel between the two holding positions is between 60 and 300 degrees.
Optionally, the determining that the violation exists includes:
and sending violation information of the vehicle to the road equipment.
In a second aspect, an embodiment of the present invention provides a driving control apparatus, including:
the position module is used for periodically acquiring detection data of each position of the steering wheel in a vehicle running state and determining a holding position, held by a driver, on the steering wheel according to the detection data;
the steering module is used for controlling the left steering lamp to be turned on when the pressure of the holding position of the left hand area is at least larger than the pressure of the holding position of the right hand area by a first preset pressure; and controlling the right turn lamp to be turned on when the pressure at the grasping position of the right hand area is greater than the pressure at the grasping position of the left hand area by at least a first predetermined pressure.
Optionally, the periodically acquiring the detection data of each position of the steering wheel includes:
and periodically detecting detection data of each position on the steering wheel, wherein the detection period is controlled by the longest linear feedback shift register sequence.
Optionally, the detection data includes pressure and/or temperature; the determining the holding position on the steering wheel held by the driver according to the detection data includes:
when the temperature of a position on the steering wheel is within a preset body temperature range and the temperatures of other positions are not within the preset body temperature range, determining the position with the temperature within the preset body temperature range as a holding position;
and/or the presence of a gas in the gas,
when the pressure of the position on the steering wheel exceeds a second preset pressure, the position with the pressure exceeding the second preset pressure is determined as a holding position.
Optionally, the apparatus further comprises:
the violation module is used for determining that violation exists when the preset safety condition is not met continuously within preset time; the safety condition includes simultaneously: there are and only two of the holding positions on the steering wheel; the two holding positions are respectively positioned in a left hand area and a right hand area of the steering wheel; the central angle corresponding to the arc section of the steering wheel between the two holding positions is between 60 and 300 degrees.
Optionally, the determining that the violation exists includes:
and sending violation information of the vehicle to the road equipment.
In the driving control method and the device provided by the embodiment of the invention, the driver can directly light the corresponding steering lamp by increasing the grasping force of the hand of the direction to be turned on the steering wheel without independent operation, so that the method and the device are very convenient. In addition, the steering lamp can be lightened before the steering wheel is greatly rotated in the mode, and early warning can be achieved.
Drawings
FIG. 1 is a flow chart of a method of driving control in accordance with an embodiment of the present invention;
FIG. 2 is a flow chart of a portion of the steps of another method of driving control in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a location on a steering wheel according to an embodiment of the present invention;
FIG. 4 is a logic diagram of a longest period linear feedback shift register according to an embodiment of the present invention;
FIG. 5 is a block diagram of a driving control apparatus according to an embodiment of the present invention;
fig. 6 is a block diagram showing another driving control apparatus according to the embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the embodiments of the present invention, the embodiments of the present invention are further described in detail below with reference to the drawings and the detailed description.
It is to be understood that the specific embodiments and figures described herein are merely illustrative of the embodiments of the invention and are not limiting of the invention.
It is to be understood that the embodiments of the invention and the features of the embodiments can be combined with each other without conflict.
It is to be understood that, for the convenience of description, only portions related to embodiments of the present invention are shown in the drawings of the embodiments of the present invention, and portions not related to the embodiments of the present invention are not shown in the drawings.
It will be understood that, without conflict, the functions, steps, etc. noted in the flowchart and block diagrams of the embodiments of the present invention may occur in an order different from that noted in the figures.
It is to be understood that the flowchart and block diagrams of the embodiments of the present invention illustrate the architecture, functionality, and operation of possible implementations of systems, apparatus, devices and methods according to various embodiments of the present invention. Each block in the flowchart or block diagrams may represent a unit, module, segment, code, which comprises executable instructions for implementing the specified function(s). Furthermore, each block or combination of blocks in the block diagrams and flowchart illustrations can be implemented by a hardware-based system that performs the specified functions or by a combination of hardware and computer instructions.
It should be understood that each unit and module related in the embodiments of the present invention may correspond to only one physical structure, may also be composed of multiple physical structures, or multiple units and modules may also be integrated into one physical structure.
It should be understood that the units and modules referred to in the embodiments of the present invention may be implemented by software, or may be implemented by hardware, for example, the units and modules may be located in a processor.
In a first aspect, referring to fig. 1, an embodiment of the present invention provides a method for driving control, including:
s101, under the running state of the vehicle, detection data of each position of the steering wheel is acquired periodically, and the grasping position of the steering wheel, which is held by a driver, is determined according to the detection data.
S102, controlling the left turn light to be turned on when the pressure of the holding position of the left hand area is at least larger than the pressure of the holding position of the right hand area by a first preset pressure; the right turn lamp is controlled to be turned on when the pressure at the grip position of the right hand area is greater than the pressure at the grip position of the left hand area by at least a first predetermined pressure.
Sensors are provided at respective positions of the steering wheel (for example, positions near P1 and P2 in fig. 3), and when the vehicle is in a traveling state (i.e., the vehicle speed v is greater than 0m/s for a certain period of time), detection data of the respective positions of the steering wheel is acquired by the sensors, and it is determined which positions on the steering wheel are being "held by" the driver (i.e., belong to the grasped positions) "based on the detection data.
Referring to fig. 3, when there are positions of grasp by the driver in both the left-hand region corresponding to the left hand of the driver (i.e., "left half" of the steering wheel) and the right-hand region corresponding to the right hand of the driver (i.e., "right half" of the steering wheel) (P1 and P2, it is determined whether or not the difference in pressure received by the positions of grasp in both regions exceeds a first predetermined pressure (N1), and if so, it is determined that the driver wishes to turn in a direction in which the pressure is large, and the turn light in the corresponding direction can be directly turned on.
It should be understood that although in fig. 3, the reference numerals P1 and P2 are two points, the actual holding location is a "region" with a certain range, not a point.
In the driving control method of the embodiment of the invention, the driver can directly light the corresponding steering lamp by increasing the grasping force of the hand in the direction to be turned on to the steering wheel without independent operation, thereby being very convenient. In addition, the steering lamp can be lightened before the steering wheel is greatly rotated in the mode, and early warning can be achieved.
Optionally, the periodically acquiring the detection data of each position of the steering wheel includes:
the detection data of each position on the steering wheel is periodically detected, and the detection period is controlled by the longest linear feedback shift register sequence.
In order to periodically acquire the detection data, the detection of each position on the steering wheel can be periodically performed, wherein the detection period is controlled by the longest linear feedback shift register sequence.
Wherein the longest linear feedbackForm of shift register sequence (m-sequence) referring to fig. 4, n stages of linear feedback shift registers are provided, and their initial states are (a)0a1...an-1) Each of aiHas a value of 0 or 1, but all aiCannot be all 0; wherein n is an integer greater than or equal to 2, and i is an integer.
ciThe connection state of the corresponding feedback line in fig. 4 is shown, and when it is 1, it means that the corresponding feedback line is connected (participating in feedback), and when it is 0, it means that the corresponding feedback line is not connected (not participating in feedback).
The circled addition in the figure represents an exclusive or operation.
After one shift, the state of each shift register is changed to (a)1a2...an) Namely:
Thus, once in the initial state (a)0a1...an-1) And the connection state of the feedback line (c)0c1...cn-1) It is determined that the longest linear feedback shift register sequence will output a periodic sequence (period of m-sequence) for periodic detection.
According to the mode, the periodic sequence can be stably generated by software, so that the stability of the test period is ensured, and no new hardware facility is added.
Optionally, the detection data comprises pressure and/or temperature; determining the grasped position on the steering wheel that is grasped by the driver based on the detection data includes:
when the temperature of a position on the steering wheel is within a preset body temperature range and the temperatures of other positions are not within the preset body temperature range, determining the position with the temperature within the preset body temperature range as a holding position;
and/or the presence of a gas in the gas,
when the pressure of the position on the steering wheel exceeds the second predetermined pressure, the position with the pressure exceeding the second predetermined pressure is determined as the grasping position.
Specifically, it can be determined that the steering wheel is being "held (or held) by the driver by the temperature and pressure of each position of the steering wheel.
On one hand, when the temperature of a certain position of the steering wheel is within a preset body temperature range (such as between 36 ℃ and 38 ℃) and the temperature of other positions of the steering wheel is not between 36 ℃ and 38 ℃ (the condition that all the positions of the steering wheel are between 36 ℃ and 38 ℃ due to the ambient temperature can be excluded), the driver can be determined to hold the position with the temperature between 36 ℃ and 38 ℃ and change the temperature of the position, and then the corresponding position is determined as the holding position.
On the other hand, when the pressure at a certain position of the steering wheel exceeds the second predetermined pressure (N2), it is considered that the driver has gripped the position to cause the pressure to rise, and the corresponding position is determined as the grasped position.
Wherein, the judgment of the temperature and the pressure can be carried out alternatively; but also simultaneously.
When the temperature and the pressure are determined at the same time, the determination may be made to be the grasped position as long as the determination is made to be the grasped position; it may be determined that the position is the grasped position only by determining both of them.
Optionally, referring to fig. 2, the method according to the embodiment of the present invention further includes:
s103, determining that violation exists when the preset safety condition is not met continuously within the preset time.
Wherein the safety conditions include simultaneously: the steering wheel is provided with only two holding positions; the two holding positions are respectively positioned in a left-hand area and a right-hand area of the steering wheel; the central angle corresponding to the arc section of the steering wheel between the two holding positions is between 60 and 300 degrees.
In the driving process, due to reasons of energy dispersion and the like, a driver may not hold a steering wheel, hold the steering wheel with one hand and the like, which are dangerous violation phenomena, and traffic accidents are easily caused.
Therefore, in the embodiment of the invention, whether the driver holds the steering wheel correctly at present (i.e. whether the safety condition is met) can be further determined through the above grasped positions.
Referring to fig. 3, satisfying the safety condition means that the following must be satisfied at the same time:
(a) there are and only two holding positions on the steering wheel (P1 and P2).
This term is used to ensure that the driver must hold both hands of the steering wheel simultaneously (rather than holding one or no hands).
(b) The two grip positions are located in the left-hand area and the right-hand area of the steering wheel, respectively.
This term is used to ensure that the driver's hands must hold the left and right halves of the steering wheel, respectively, rather than the mistake being "one half".
(c) The central angle corresponding to the arc section of the steering wheel between the two holding positions is between 60 and 300 degrees.
According to the formula
It can be seen that the arc length of the arc segment of the steering wheel corresponding to the above two grasping positions P1 and P2 is
The corresponding central angle is n and the radius of the steering wheel is R (e.g. WEI 38cm, 40cm, etc.).
When the central angle n is between 60 degrees and 300 degrees, the distance between the positions where the driver's hands hold the steering wheel is not too close, that is, the driver's hands cannot be mistakenly held in almost one position.
If the above (a), (b), and (c) cannot be simultaneously satisfied for a predetermined time (e.g., 5 seconds), it is determined that the driver does not hold the steering wheel correctly at present, and there is a violation.
If the safety condition is not met in a short time (less than a preset time), the driver is likely to perform normal operation (such as one-hand gear engagement) and is not considered to be illegal.
Optionally, determining that a violation exists includes:
and sending violation information of the vehicle to the road equipment.
When the violation is determined to exist, the violation information of the sending vehicle, such as the engine number of the sending vehicle, can be specifically sent to a road device (belonging to a traffic management system) preset at the road side, which indicates that the driver of a certain engine number does not hold the steering wheel at a certain time, and the violation information is used as the violation record in the traffic management system.
Of course, other operations such as issuing a warning tone to the driver may be performed when it is determined that there is an violation.
According to the mode, whether the driver holds the steering wheel correctly or not can be accurately judged through temperature, pressure and the like, and the mode is more stable and reliable compared with the mode of monitoring the state of the driver through a camera and the like, so that the driving safety is improved.
In a second aspect, referring to fig. 5, an embodiment of the present invention provides a driving control apparatus, including:
the position module is used for periodically acquiring detection data of each position of the steering wheel in a vehicle running state and determining a holding position on the steering wheel, which is held by a driver, according to the detection data;
the steering module is used for controlling the left steering lamp to be turned on when the pressure of the holding position of the left hand area is at least larger than the pressure of the holding position of the right hand area by a first preset pressure; and controlling the right turn lamp to be turned on when the pressure at the grasping position of the right hand area is greater than the pressure at the grasping position of the left hand area by at least a first predetermined pressure.
In the driving control device provided by the embodiment of the invention, the driver can directly light the corresponding steering lamp by increasing the grasping force of the hand of the direction to be turned on the steering wheel without independent operation, so that the driving control device is very convenient. In addition, the steering lamp can be lightened before the steering wheel is greatly rotated in the mode, and early warning can be achieved.
Optionally, the periodically acquiring the detection data of each position of the steering wheel includes:
the detection data of each position on the steering wheel is periodically detected, and the detection period is controlled by the longest linear feedback shift register sequence.
According to the mode, the periodic sequence can be stably generated by software, so that the stability of the test period is ensured, and no new hardware facility is added.
Optionally, the detection data comprises pressure and/or temperature; determining the grasped position on the steering wheel that is grasped by the driver based on the detection data includes:
when the temperature of a position on the steering wheel is within a preset body temperature range and the temperatures of other positions are not within the preset body temperature range, determining the position with the temperature within the preset body temperature range as a holding position;
and/or the presence of a gas in the gas,
when the pressure of the position on the steering wheel exceeds the second predetermined pressure, the position with the pressure exceeding the second predetermined pressure is determined as the grasping position.
Optionally, referring to fig. 6, the apparatus according to the embodiment of the present invention further includes:
the violation module is used for determining that violation exists when the preset safety condition is not met continuously within preset time; the safety conditions include at the same time: the steering wheel is provided with only two holding positions; the two holding positions are respectively positioned in a left hand area and a right hand area of the steering wheel; the central angle corresponding to the arc section of the steering wheel between the two holding positions is between 60 and 300 degrees.
Optionally, determining that a violation exists includes:
and sending violation information of the vehicle to the road equipment.
According to the mode, whether the driver correctly holds the steering wheel can be accurately judged through temperature, pressure and the like, and the mode of monitoring the state of the driver through a camera and the like is more stable and reliable, so that the driving safety is improved.
It will be understood that the above embodiments are merely exemplary embodiments adopted to illustrate the principles of the embodiments of the present invention, but the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the embodiments of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A method of driving control, comprising:
under the driving state of the vehicle, periodically acquiring detection data of each position of the steering wheel, and determining a holding position on the steering wheel, which is held by a driver, according to the detection data;
controlling the left turn signal lamp to be turned on when the pressure at the grip position of the left-hand area is greater than the pressure at the grip position of the right-hand area by at least a first predetermined pressure; and controlling the right turn lamp to be turned on when the pressure at the grasping position of the right hand area is greater than the pressure at the grasping position of the left hand area by at least a first predetermined pressure.
2. The method of claim 1, wherein the periodically acquiring the detection data of each position of the steering wheel comprises:
and periodically detecting detection data of each position on the steering wheel, wherein the detection period is controlled by the longest linear feedback shift register sequence.
3. The method of claim 1, wherein the sensed data includes pressure and/or temperature; the determining of the grasping position on the steering wheel, which is grasped by the driver, based on the detection data includes:
when the temperature of a position on the steering wheel is within a preset body temperature range and the temperatures of other positions are not within the preset body temperature range, determining the position with the temperature within the preset body temperature range as a holding position;
and/or the presence of a gas in the gas,
when the pressure of the position on the steering wheel exceeds a second preset pressure, the position with the pressure exceeding the second preset pressure is determined as a holding position.
4. The method of claim 1, further comprising:
determining that violation exists when the preset safety condition is not met continuously within preset time; the safety condition includes simultaneously: there are and only two said holding positions on the steering wheel; the two holding positions are respectively positioned in a left hand area and a right hand area of the steering wheel; the central angle corresponding to the arc section of the steering wheel between the two holding positions is between 60 and 300 degrees.
5. The method of claim 4, wherein the determining that a violation exists comprises:
and sending violation information of the vehicle to the road equipment.
6. A device for driving control, characterized by comprising:
the position module is used for periodically acquiring detection data of each position of the steering wheel in a vehicle running state and determining a holding position, held by a driver, on the steering wheel according to the detection data;
the steering module is used for controlling the left steering lamp to be turned on when the pressure of the holding position of the left hand area is at least larger than the pressure of the holding position of the right hand area by a first preset pressure; and controlling the right turn lamp to be turned on when the pressure at the grasping position of the right hand area is greater than the pressure at the grasping position of the left hand area by at least a first predetermined pressure.
7. The apparatus of claim 6, wherein the periodically acquiring the detection data of each position of the steering wheel comprises:
and periodically detecting detection data of each position on the steering wheel, wherein the detection period is controlled by the longest linear feedback shift register sequence.
8. The apparatus of claim 6, wherein the sensed data comprises pressure and/or temperature; the determining of the grasping position on the steering wheel, which is grasped by the driver, based on the detection data includes:
when the temperature of a position on the steering wheel is within a preset body temperature range and the temperatures of other positions are not within the preset body temperature range, determining the position with the temperature within the preset body temperature range as a holding position;
and/or the presence of a gas in the gas,
when the pressure of the position on the steering wheel exceeds a second preset pressure, the position with the pressure exceeding the second preset pressure is determined as a holding position.
9. The apparatus of claim 6, further comprising:
the violation module is used for determining that violation exists when the preset safety condition is not met continuously within preset time; the safety condition includes simultaneously: there are and only two said holding positions on the steering wheel; the two holding positions are respectively positioned in a left hand area and a right hand area of the steering wheel; the central angle corresponding to the arc section of the steering wheel between the two holding positions is between 60 and 300 degrees.
10. The apparatus of claim 9, wherein the determining that a violation exists comprises:
and sending violation information of the vehicle to the road equipment.
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| CN202011487719.4A CN114633682A (en) | 2020-12-16 | 2020-12-16 | Method and device for driving control |
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