CN111572537B - Safe distance adjusting platform applying big data processing - Google Patents

Safe distance adjusting platform applying big data processing Download PDF

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Publication number
CN111572537B
CN111572537B CN202010141608.1A CN202010141608A CN111572537B CN 111572537 B CN111572537 B CN 111572537B CN 202010141608 A CN202010141608 A CN 202010141608A CN 111572537 B CN111572537 B CN 111572537B
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distance
equipment
vehicle
real
data processing
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CN111572537A (en
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张丰祥
张丽
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Zhang Fengxiang
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W30/00Purposes 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
    • B60W30/08Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W40/00Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B60W40/06Road conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W50/00Details 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
    • B60W50/08Interaction between the driver and the control system
    • B60W50/14Means for informing the driver, warning the driver or prompting a driver intervention
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/40Extraction of image or video features
    • G06V10/56Extraction of image or video features relating to colour
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00Scenes; Scene-specific elements
    • G06V20/50Context or environment of the image
    • G06V20/56Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G06V20/588Recognition of the road, e.g. of lane markings; Recognition of the vehicle driving pattern in relation to the road
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W50/00Details 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
    • B60W50/08Interaction between the driver and the control system
    • B60W50/14Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/143Alarm means

Abstract

The invention relates to a safe distance adjusting platform applying big data processing, comprising: the distance adjusting device is used for reducing the safety distance of the front vehicle to be lower than the default value of the current safety distance when a first driving command is received, and otherwise, restoring the current safety distance to the default value; the real-time distance measuring equipment is arranged near the front lamps of the vehicle and is used for detecting the real-time distance of the front vehicle based on an infrared distance measuring mode or an ultrasonic distance measuring mode; and the instant alarm equipment is respectively connected with the distance adjusting equipment and the real-time distance measuring equipment and is used for sending a vehicle distance over-close command when the received real-time distance is smaller than the current safe distance, otherwise, sending a vehicle distance normal command. The safe distance adjusting platform applying big data processing is safe, reliable and wide in application. The safety distance of the front vehicle can be adjusted on site according to whether the current running environment is in a snowfield environment, so that the device can adapt to various vehicle running environments.

Description

Safe distance adjusting platform applying big data processing
Technical Field
The invention relates to the field of big data processing, in particular to a safe distance adjusting platform applying big data processing.
Background
The big data concept is applied to data generated by the IT operation tool, and the big data can enable an IT management software provider to solve a wide range of business decisions. IT systems, applications and technology infrastructures produce data every second every day. Big data unstructured or structured data represent an absolute record of more operations like all users' behavior, service level, security, risk, fraud etc.
Big data analytics are generated for IT management, where enterprises can combine real-time data flow analysis with historical relevant data, and then big data analyzes and discovers the models they need.
For example, the big data analysis mode may be used in monitoring vehicles traveling on fast-traveling lanes such as highways, and particularly in adaptive modification of vehicle monitoring data in special environments, so as to fully embody processing advantages of big data.
Disclosure of Invention
In order to solve the related technical problems in the prior art, the invention provides a safe distance adjusting platform applying big data processing, which can shorten the safe distance of a front vehicle in a snowfield driving environment to improve the sensitivity of vehicle distance alarming, thereby improving the self-adaptive level of vehicle control.
For this reason, the present invention needs to have at least the following key points:
(1) when the driving environment in front of the vehicle is detected to be a snow driving environment, the safety distance of the front vehicle is reduced to improve the sensitivity of vehicle distance safety analysis and avoid snow accidents;
(2) and an intelligent detection mechanism is adopted to effectively identify whether the driving environment in front of the vehicle is a snowfield driving environment, so that the accuracy of environment detection is ensured.
According to an aspect of the present invention, there is provided a safe distance adjustment platform applying big data processing, the platform comprising:
the distance adjusting device is arranged in the vehicle and used for reducing the safety distance of the front vehicle to be lower than the default value of the current safety distance when receiving the first driving command;
the distance adjusting equipment is further used for restoring the current safe distance to a default value when a second driving command is received;
the real-time distance measuring equipment is arranged near the front lamps of the vehicle and is used for detecting the real-time distance of the front vehicle based on an infrared distance measuring mode or an ultrasonic distance measuring mode;
the instant alarm equipment is respectively connected with the distance adjusting equipment and the real-time distance measuring equipment and is used for sending a vehicle distance over-close command when the received real-time distance is smaller than the current safety distance, otherwise, sending a vehicle distance normal command;
the button video recording mechanism is arranged in the vehicle and used for executing instant video recording operation on a running environment in front of the vehicle so as to obtain each video recording frame corresponding to each time period, wherein each video recording frame comprises a current video recording frame corresponding to the current moment;
the data processing mechanism is arranged at the far end of the vehicle, is realized by a big data processing node, is connected with the button video recording mechanism through a network, and is used for executing gradient sharpening filtering processing on the received current video recording frame so as to obtain a real-time processing image;
the environment analysis equipment is connected with the data processing mechanism through a network and is used for receiving the real-time processing image and taking a pixel point of a brightness value in the real-time processing image between a snow upper limit brightness threshold value and a snow lower limit brightness threshold value as a reference pixel point;
the command distribution equipment is respectively connected with the environment analysis equipment and the distance adjustment equipment and is used for sending a first driving command when the area proportion of one or more image areas formed by all reference pixel points in the image to be processed occupying the image to be processed exceeds the limit;
the command distribution equipment is further used for sending a second driving command when the area proportion of one or more image areas formed by all reference pixel points in the image to be processed occupying the image to be processed is not over limit.
The safe distance adjusting platform applying big data processing is safe, reliable and wide in application. The safety distance of the front vehicle can be adjusted on site according to whether the current running environment is in a snowfield environment, so that the device can adapt to various vehicle running environments.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a working scene diagram of a safe distance adjusting platform applying big data processing according to the present invention.
Fig. 2 is a block diagram illustrating a structure of a safe distance adjustment platform to which big data processing is applied according to a first embodiment of the present invention.
Fig. 3 is a block diagram illustrating a structure of a safe distance adjustment platform to which big data processing is applied according to a second embodiment of the present invention.
Detailed Description
An embodiment of the safe distance adjustment platform to which big data processing is applied according to the present invention will be described in detail with reference to the accompanying drawings.
Currently, when a vehicle is traveling on a fast-traveling road such as an expressway, a preceding vehicle safety distance detection alarm mechanism is generally activated to perform distance-related alarm operations on a driver of the vehicle to remind the driver to reduce the speed or adjust a lane when the distance from the preceding vehicle to the vehicle is less than the preceding vehicle safety distance.
In order to overcome the defects, the invention builds a safe distance adjusting platform applying big data processing, and can effectively solve the corresponding technical problem.
In fig. 1, a working scene diagram of a safe distance adjusting platform applying big data processing of the present invention is given for monitoring of a host vehicle in a highway.
Hereinafter, more specific embodiments of the present invention will be given to facilitate understanding of the details of the present invention.
Fig. 2 is a block diagram illustrating a structure of a safe distance adjustment platform applying big data processing according to a first embodiment of the present invention, where the platform includes:
the distance adjusting device is arranged in the vehicle and used for reducing the safety distance of the front vehicle to be lower than the default value of the current safety distance when receiving the first driving command;
the distance adjusting equipment is further used for restoring the current safe distance to a default value when a second driving command is received;
the real-time distance measuring equipment is arranged near the front lamps of the vehicle and is used for detecting the real-time distance of the front vehicle based on an infrared distance measuring mode or an ultrasonic distance measuring mode;
the instant alarm equipment is respectively connected with the distance adjusting equipment and the real-time distance measuring equipment and is used for sending a vehicle distance over-close command when the received real-time distance is smaller than the current safety distance, otherwise, sending a vehicle distance normal command;
the button video recording mechanism is arranged in the vehicle and used for executing instant video recording operation on a running environment in front of the vehicle so as to obtain each video recording frame corresponding to each time period, wherein each video recording frame comprises a current video recording frame corresponding to the current moment;
the data processing mechanism is arranged at the far end of the vehicle, is realized by a big data processing node, is connected with the button video recording mechanism through a network, and is used for executing gradient sharpening filtering processing on the received current video recording frame so as to obtain a real-time processing image;
the environment analysis equipment is connected with the data processing mechanism through a network and is used for receiving the real-time processing image and taking a pixel point of a brightness value in the real-time processing image between a snow upper limit brightness threshold value and a snow lower limit brightness threshold value as a reference pixel point;
the command distribution equipment is respectively connected with the environment analysis equipment and the distance adjustment equipment and is used for sending a first driving command when the area proportion of one or more image areas formed by all reference pixel points in the image to be processed occupying the image to be processed exceeds the limit;
the command distribution equipment is further used for sending a second driving command when the area proportion of one or more image areas formed by all reference pixel points in the image to be processed occupying the image to be processed is not over limit.
Fig. 3 is a block diagram illustrating a structure of a safe distance adjustment platform applying big data processing according to a second embodiment of the present invention, where the platform includes:
the parallel line socket is respectively connected with the signal output ends of the data processing mechanism, the environment analysis equipment and the command distribution equipment;
the distance adjusting device is arranged in the vehicle and used for reducing the safety distance of the front vehicle to be lower than the default value of the current safety distance when receiving the first driving command;
the distance adjusting equipment is further used for restoring the current safe distance to a default value when a second driving command is received;
the real-time distance measuring equipment is arranged near the front lamps of the vehicle and is used for detecting the real-time distance of the front vehicle based on an infrared distance measuring mode or an ultrasonic distance measuring mode;
the instant alarm equipment is respectively connected with the distance adjusting equipment and the real-time distance measuring equipment and is used for sending a vehicle distance over-close command when the received real-time distance is smaller than the current safety distance, otherwise, sending a vehicle distance normal command;
the button video recording mechanism is arranged in the vehicle and used for executing instant video recording operation on a running environment in front of the vehicle so as to obtain each video recording frame corresponding to each time period, wherein each video recording frame comprises a current video recording frame corresponding to the current moment;
the data processing mechanism is arranged at the far end of the vehicle, is realized by a big data processing node, is connected with the button video recording mechanism through a network, and is used for executing gradient sharpening filtering processing on the received current video recording frame so as to obtain a real-time processing image;
the environment analysis equipment is connected with the data processing mechanism through a network and is used for receiving the real-time processing image and taking a pixel point of a brightness value in the real-time processing image between a snow upper limit brightness threshold value and a snow lower limit brightness threshold value as a reference pixel point;
the command distribution equipment is respectively connected with the environment analysis equipment and the distance adjustment equipment and is used for sending a first driving command when the area proportion of one or more image areas formed by all reference pixel points in the image to be processed occupying the image to be processed exceeds the limit;
the command distribution equipment is further used for sending a second driving command when the area proportion of one or more image areas formed by all reference pixel points in the image to be processed occupying the image to be processed is not over limit.
Next, a detailed description will be given of a specific structure of the safe distance adjustment platform to which the big data processing is applied according to each embodiment of the present invention.
In the safety distance adjusting platform applying big data processing:
the data processing mechanism is internally provided with a serial communication interface and is used for receiving a control signal sent by a user through the serial communication interface.
The safety distance adjusting platform applying big data processing may further include:
and the buzzer is connected with the environment analysis equipment and is used for executing the alarm action of the preset playing frequency when the environment analysis equipment is in an abnormal state.
In the safety distance adjusting platform applying big data processing:
the environment analysis device and the data processing mechanism share the same data cache device, and the data cache device divides the data cache address into two sections for respectively storing the cache data of the data processing mechanism and the environment analysis device.
In the safety distance adjusting platform applying big data processing:
and the data caching equipment is respectively connected with the data processing mechanism and the environment analysis equipment through a parallel data bus.
In the safety distance adjusting platform applying big data processing:
the data processing mechanism is provided with a serial communication interface and is used for receiving serial communication data input from the outside;
the environment analysis equipment is provided with a parallel communication interface for receiving externally input parallel communication data, and the number of bits of the parallel communication interface is 8 or 16.
In addition, the command distribution equipment is also internally provided with a static random access memory. Static Random-Access Memory (SRAM) is one type of Random Access Memory. By "static," it is meant that the data stored in such a memory is always maintained as long as the memory remains powered on. In contrast, data stored in a Dynamic Random Access Memory (DRAM) needs to be periodically updated. However, when the power supply is stopped, the data stored in the SRAM is still lost (called a "volatile memory"), which is different from the ROM or flash memory that can store data after power is turned off.
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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Although the present invention has been described with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims of the present application.

Claims (2)

1. A secure distance adjustment platform applying big data processing, the platform comprising:
the distance adjusting device is arranged in the vehicle and used for reducing the safety distance of the front vehicle to be lower than the default value of the current safety distance when receiving the first driving command;
the distance adjusting equipment is further used for restoring the current safe distance to a default value when a second driving command is received;
the real-time distance measuring equipment is arranged near the front lamps of the vehicle and is used for detecting the real-time distance of the front vehicle based on an infrared distance measuring mode or an ultrasonic distance measuring mode;
the instant alarm equipment is respectively connected with the distance adjusting equipment and the real-time distance measuring equipment and is used for sending a vehicle distance over-close command when the received real-time distance is smaller than the current safety distance, otherwise, sending a vehicle distance normal command;
the button video recording mechanism is arranged in the vehicle and used for executing instant video recording operation on a running environment in front of the vehicle so as to obtain each video recording frame corresponding to each time period, wherein each video recording frame comprises a current video recording frame corresponding to the current moment;
the data processing mechanism is arranged at the far end of the vehicle, is realized by a big data processing node, is connected with the button video recording mechanism through a network, and is used for executing gradient sharpening filtering processing on the received current video recording frame so as to obtain a real-time processing image;
the environment analysis equipment is connected with the data processing mechanism through a network and is used for receiving the real-time processing image and taking a pixel point of a brightness value in the real-time processing image between a snow upper limit brightness threshold value and a snow lower limit brightness threshold value as a reference pixel point;
the command distribution equipment is respectively connected with the environment analysis equipment and the distance adjustment equipment and is used for sending a first driving command when the area proportion of one or more image areas formed by all reference pixel points in the real-time processing image to the real-time processing image exceeds the limit;
the command distribution equipment is further used for sending a second driving command when the area proportion of one or more image areas formed by all reference pixel points in the real-time processing image occupying the real-time processing image is not over limit;
the parallel line socket is respectively connected with the signal output ends of the data processing mechanism, the environment analysis equipment and the command distribution equipment;
the data processing mechanism is internally provided with a serial communication interface and is used for receiving a control signal sent by a user through the serial communication interface;
a buzzer connected with the environment analysis equipment and used for executing the alarm action of the preset playing frequency when the environment analysis equipment is in an abnormal state
The environment analysis equipment and the data processing mechanism share the same data cache equipment, and the data cache equipment divides the data cache address into two sections for respectively storing the cache data of the data processing mechanism and the environment analysis equipment;
the static random access memory is one type of random access memory, and the static state refers to that the data stored in the static random access memory can be constantly kept as long as the static random access memory is powered on.
2. The secure distance adjustment platform applying big data processing according to claim 1, wherein:
and the data caching equipment is respectively connected with the data processing mechanism and the environment analysis equipment through a parallel data bus.
CN202010141608.1A 2020-03-03 2020-03-03 Safe distance adjusting platform applying big data processing Active CN111572537B (en)

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CN112825133B (en) * 2020-11-18 2021-11-05 广西飞云科技产业有限公司 Intelligent object information analysis system and method
CN113715844B (en) * 2021-09-07 2022-05-31 无锡联友塑业有限公司 Proximity analysis platform using position detection
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