CN112224206A - Urban passenger car accelerator pedal control method based on electronic fence - Google Patents

Urban passenger car accelerator pedal control method based on electronic fence Download PDF

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Publication number
CN112224206A
CN112224206A CN201910565676.8A CN201910565676A CN112224206A CN 112224206 A CN112224206 A CN 112224206A CN 201910565676 A CN201910565676 A CN 201910565676A CN 112224206 A CN112224206 A CN 112224206A
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CN
China
Prior art keywords
passenger car
position information
electronic fence
real
time position
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910565676.8A
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Chinese (zh)
Inventor
黄�俊
袁妮
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Shanghai Shenlong Bus Co Ltd
Original Assignee
Shanghai Shenlong Bus Co Ltd
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Filing date
Publication date
Application filed by Shanghai Shenlong Bus Co Ltd filed Critical Shanghai Shenlong Bus Co Ltd
Priority to CN201910565676.8A priority Critical patent/CN112224206A/en
Publication of CN112224206A publication Critical patent/CN112224206A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
    • B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/33—Multimode operation in different systems which transmit time stamped messages, e.g. GPS/GLONASS

Abstract

The invention relates to a city passenger car accelerator pedal control method based on an electronic fence, which comprises the following steps: step 1: acquiring real-time position information of an open area where a passenger car runs on an open road section and transmitting the real-time position information to a data processing unit; step 2: acquiring real-time position information of a hidden area where a passenger car runs on a hidden road section and transmitting the information to a data processing unit; and step 3: the data processing unit comprehensively judges whether the passenger car is in a preset electronic fence area or not according to the real-time position information of the open area and the real-time position information of the hidden area; and 4, step 4: if the judgment result is yes, the data processing unit transmits the judgment result to the vehicle control unit, and the vehicle control unit performs relevant control operation on the passenger car according to the judgment result. Compared with the prior art, the vehicle automatic identification method has the advantages of automatic vehicle identification, real-time reminding, accurate positioning and the like.

Description

Urban passenger car accelerator pedal control method based on electronic fence
Technical Field
The invention relates to the technical field of urban passenger car control, in particular to an electronic fence-based urban passenger car accelerator pedal control method.
Background
Urban traffic refers to public traffic and passenger-cargo transport between urban (including urban and suburban) road (ground, underground, elevated, water-way, cableway, etc.) systems. Before people use vehicles as transportation means, urban public travel takes the lead of walking or rides livestock, cars and the like instead of walking. Cargo transfer is often carried by shoulder picks or by simple transport means. After the vehicles appeared, the carriage soon became the main body of the urban vehicle. In 1819, the public carriage which is used for renting and taking urban public occurs on the Paris street, so that urban public transportation is generated, and a new era of urban transportation is created.
In recent years, many traffic accidents occur in China, wherein drivers are confused and mistaken to step the accelerator pedal as the brake pedal to the bottom. Particularly, buses are frequently operated in a shuttling mode in the most luxurious urban area with dense crowds, and large-area casualty accidents and serious social negative effects are caused by the accidents.
In the domestic economically developed cities, a large amount of financial resources are additionally invested in purchasing urban buses, an AEBS (advanced Emergency Braking system) advanced Emergency Braking system, an ADAS (advanced Driving assistance system) advanced Driving assistance system and other assistance systems are repeatedly installed on each bus, and a whole factory and a system supplier need to invest a large amount of energy and financial resources to perform corresponding calibration tests and other intensive and tedious repeated work. And the safety reliability of these auxiliary systems is not high enough in emergency situations.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an electronic fence-based city bus accelerator pedal control method.
The purpose of the invention can be realized by the following technical scheme:
an electronic fence-based city bus accelerator pedal control method comprises the following steps:
step 1: acquiring real-time position information of an open area where a passenger car runs on an open road section and transmitting the real-time position information to a data processing unit;
step 2: acquiring real-time position information of a hidden area where a passenger car runs on a hidden road section and transmitting the information to a data processing unit;
and step 3: the data processing unit comprehensively judges whether the passenger car is in a preset electronic fence area or not according to the real-time position information of the open area and the real-time position information of the hidden area;
and 4, step 4: if the judgment result is yes, the data processing unit transmits the judgment result to the vehicle control unit, and the vehicle control unit performs relevant control operation on the passenger car according to the judgment result.
Further, the step 1 specifically includes: and acquiring real-time position information of an open area where the passenger car runs on the open road section through Beidou/GPS dual-mode positioning and transmitting the real-time position information to the data processing unit.
Further, the step 2 specifically includes: and acquiring the real-time position information of the passenger car in the hidden area where the passenger car runs on the hidden road section through WIFI positioning and transmitting the information to the data processing unit.
Further, the data processing unit in step 3 adopts a general microcontroller for a vehicle.
Further, the relevant control operation in the step 4 comprises reminding a driver, controlling the speed of the passenger car and controlling an output signal of an accelerator pedal.
Further, the specific implementation method for reminding the driver comprises the following steps: the vehicle control unit sends an instruction to the instrument, and an acousto-optic prompt alarm is given out on the instrument to remind a driver of passing through a specific area and improve the vigilance.
Further, the specific implementation method for controlling the speed of the passenger car comprises the following steps: and the vehicle control unit sends a command to the motor controller to drive within a preset safe vehicle speed range matched with the urban electronic fence area.
Further, the specific implementation method for controlling the output signal of the accelerator pedal is as follows: when the vehicle controller judges that the vehicle is in a specific urban electronic fence area, the vehicle controller automatically shields a large-torque demand instruction so that the output signals of the accelerator pedal are invalid instructions.
Compared with the prior art, the invention has the following advantages:
(1) the method specifically comprises the following steps: step 1: acquiring real-time position information of an open area where a passenger car runs on an open road section and transmitting the real-time position information to a data processing unit; step 2: acquiring real-time position information of a hidden area where a passenger car runs on a hidden road section and transmitting the information to a data processing unit; and step 3: the data processing unit comprehensively judges whether the passenger car is in a preset electronic fence area or not according to the real-time position information of the open area and the real-time position information of the hidden area; and 4, step 4: if the judgment result is yes, the data processing unit transmits the judgment result to the vehicle control unit, the vehicle control unit performs relevant control operation on the bus according to the judgment result, the information of the real-time position of the bus is dynamically integrated, the information of the specific electronic fence is compared and judged, and the bus is subjected to multiple operation according to the judgment result, so that the effect of the highest integrated efficiency is achieved, and accidents of the bus in the area range of the electronic fence can be prevented with great probability.
(2) Physical hardware equipment required by links in each step of the method can be controlled by matching existing city foundation settings, and the whole method is easy to realize and has a good prevention effect.
Drawings
FIG. 1 is a schematic diagram of the method of the present invention;
FIG. 2 is a schematic flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
As shown in FIG. 1, the method of the present invention comprises four major components in the specific application and the design of the actual vehicle-mounted controller
A dual-mode positioning unit: the Beidou/GPS dual-mode positioning function realizes real-time positioning in a specific city area (a city electronic fence area).
An auxiliary positioning unit: and the WIFI positioning function is used for realizing the weak area positioning of satellite signals by applying a WIFI accurate positioning technology aiming at the weak area of GPS/Beidou signals under the urban viaduct.
A data processing unit: and the data comparison and calculation function is used for receiving the position information sent by the positioning unit, comparing the position information with the preset position information of the urban electronic fence area, and judging whether the vehicle is in the preset electronic fence or not.
The in-vehicle communication unit: the CAN (controller Area network) controller has a local Area network communication function, and realizes data interaction with other CAN intelligent devices (instruments and a whole vehicle controller) of the whole vehicle. When the vehicle is in the urban electronic fence area, the controller CAN send the information whether the vehicle is in the electronic fence or not to a VCU (vehicle Control Unit) vehicle Control unit through CAN communication. When the vehicle is in the electronic fence area, the VCU sends an instruction to the instrument, and an acousto-optic prompt alarm is given on the instrument to remind a driver of passing through a specific area and pay attention to improving the alertness; meanwhile, a specific instruction is sent to the motor controller, and the whole vehicle can run in a preset safe vehicle speed range in a specific urban electronic fence area (a bus stop area and the front and back of a zebra crossing of an urban motor vehicle lane). When the VCU judges that the vehicle is in a specific urban electronic fence area, a large-torque demand instruction is automatically shielded, and the VCU judges that the vehicle is an invalid instruction even if a driver steps on an accelerator pedal to the bottom, so that the accelerator pedal is prevented from being stepped on to the bottom by mistake.
With reference to the above, as shown in fig. 2, the content in the flow diagram of the method of the present invention is as follows:
the invention discloses a city bus accelerator pedal control method based on an electronic fence, which comprises the following steps:
step 1: acquiring real-time position information of an open area where a passenger car runs on an open road section and transmitting the real-time position information to a data processing unit;
step 2: acquiring real-time position information of a hidden area where a passenger car runs on a hidden road section and transmitting the information to a data processing unit;
and step 3: the data processing unit comprehensively judges whether the passenger car is in a preset electronic fence area or not according to the real-time position information of the open area and the real-time position information of the hidden area;
and 4, step 4: if the judgment result is yes, the data processing unit transmits the judgment result to the vehicle control unit, and the vehicle control unit performs relevant control operation on the passenger car according to the judgment result.
While the invention has been described with reference to specific embodiments, specific applications and implementations of the method and the controller design may be implemented in programming, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present disclosure, and such modifications or substitutions are intended to be included within the scope of the present disclosure. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A city passenger car accelerator pedal control method based on an electronic fence is characterized by comprising the following steps:
step 1: acquiring real-time position information of an open area where a passenger car runs on an open road section and transmitting the real-time position information to a data processing unit;
step 2: acquiring real-time position information of a hidden area where a passenger car runs on a hidden road section and transmitting the information to a data processing unit;
and step 3: the data processing unit comprehensively judges whether the passenger car is in a preset electronic fence area or not according to the real-time position information of the open area and the real-time position information of the hidden area;
and 4, step 4: if the judgment result is yes, the data processing unit transmits the judgment result to the vehicle control unit, and the vehicle control unit performs relevant control operation on the passenger car according to the judgment result.
2. The method for controlling the accelerator pedal of the city bus based on the electronic fence as claimed in claim 1, wherein the step 1 specifically comprises: and acquiring real-time position information of an open area where the passenger car runs on the open road section through Beidou/GPS dual-mode positioning and transmitting the real-time position information to the data processing unit.
3. The method for controlling the accelerator pedal of the city bus based on the electronic fence as claimed in claim 1, wherein the step 2 specifically comprises: and acquiring the real-time position information of the passenger car in the hidden area where the passenger car runs on the hidden road section through WIFI positioning and transmitting the information to the data processing unit.
4. The method for controlling the accelerator pedal of the urban passenger car based on the electronic fence as claimed in claim 1, wherein the data processing unit in step 3 is a general-purpose microcontroller of a vehicle.
5. The method as claimed in claim 1, wherein the relevant control operations in step 4 include driver reminding, bus speed control and accelerator output signal control.
6. The urban bus accelerator pedal control method based on the electronic fence as claimed in claim 5, wherein the concrete implementation method for reminding the driver is as follows: the vehicle control unit sends an instruction to the instrument, and an acousto-optic prompt alarm is given out on the instrument to remind a driver of passing through a specific area and improve the vigilance.
7. The urban passenger car accelerator pedal control method based on the electronic fence as claimed in claim 5, wherein the specific implementation method for controlling the speed of the passenger car is as follows: and the vehicle control unit sends a command to the motor controller to drive within a preset safe vehicle speed range matched with the urban electronic fence area.
8. The urban passenger car accelerator pedal control method based on the electronic fence as claimed in claim 5, wherein the specific implementation method for controlling the output signal of the accelerator pedal is as follows: when the vehicle controller judges that the vehicle is in a specific urban electronic fence area, the vehicle controller automatically shields a large-torque demand instruction so that the output signals of the accelerator pedal are invalid instructions.
CN201910565676.8A 2019-06-27 2019-06-27 Urban passenger car accelerator pedal control method based on electronic fence Pending CN112224206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910565676.8A CN112224206A (en) 2019-06-27 2019-06-27 Urban passenger car accelerator pedal control method based on electronic fence

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Application Number Priority Date Filing Date Title
CN201910565676.8A CN112224206A (en) 2019-06-27 2019-06-27 Urban passenger car accelerator pedal control method based on electronic fence

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CN108898826A (en) * 2018-09-03 2018-11-27 武汉小象创意科技有限公司 A kind of control system and its method of fence

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US20170066453A1 (en) * 2011-12-23 2017-03-09 Zonar Systems, Inc. Method and apparatus for changing vehicle behavior based on current vehicle location and zone definitions created by a remote user
DE102012024959A1 (en) * 2012-12-20 2014-06-26 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Method for operating vehicle e.g. passenger car, involves calculating position of object, and determining instantaneous detection area of sensor based on determined position of object when object is not detected by sensor
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