CN102029983A - Speed-limiting control method and system and vehicle terminal - Google Patents
Speed-limiting control method and system and vehicle terminal Download PDFInfo
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- CN102029983A CN102029983A CN 201010247890 CN201010247890A CN102029983A CN 102029983 A CN102029983 A CN 102029983A CN 201010247890 CN201010247890 CN 201010247890 CN 201010247890 A CN201010247890 A CN 201010247890A CN 102029983 A CN102029983 A CN 102029983A
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Abstract
The invention is suitable for the technical field of navigation and provides a speed-limiting control method, a speed-limiting control system and a vehicle terminal. The method comprises the following steps of: acquiring current vehicle position information and current running speed; sending the current vehicle position information and the current running speed to a remote server; receiving a speed-limiting control command sent by the server, wherein the speed-limiting control command comprises a braking command and a non-braking command; and when the speed-limiting control command is the braking command, outputting the braking command to a braking device, wherein the braking command is used for controlling the braking device to execute the braking operation. The method effectively controls the running speed of a vehicle to automatically brakes the vehicle, and has high humanization.
Description
Technical field
The invention belongs to field of navigation technology, relate in particular to a kind of speed-limiting control method, system and car-mounted terminal.
Background technology
Existing speed limiting device, according to the maximum speed that sets in advance, judge whether car speed exceeds the speed limit, generally set in advance and be several grades, need chaufeur to pre-set, use inconvenience concerning the user, this speed limiting device can not be controlled the moving velocity of vehicle by actv., and speed limiting device generally is that modes such as employing sound, light are reminded the user, is not self-actuating brake.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of speed-limiting control method, be intended to solve speed limiting device of the prior art and can not carry out actv. control to the moving velocity of vehicle, and the hommization of current vehicles speed limit mode is low, is not self-stopping problem.
The embodiment of the invention is achieved in that a kind of speed-limiting control method, and described method comprises the steps:
The location information of the current vehicle that obtains and current moving velocity;
The location information of current vehicle and current moving velocity are sent to far-end server;
The Control for Speed Limitation instruction that reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction;
When described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device.
Another purpose of the embodiment of the invention is to provide a kind of speed limit control system, and described system comprises:
Acquisition module, the location information of the current vehicle that is used to obtain and current moving velocity;
Sending module is used for the location information of current vehicle and current moving velocity are sent to far-end server;
Control for Speed Limitation command reception module is used for the Control for Speed Limitation instruction that reception server sends, and described Control for Speed Limitation instruction comprises drag instruction and not drag instruction; And
The first instruction output module, the Control for Speed Limitation instruction that is used for receiving when described Control for Speed Limitation command reception module is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device.
Another purpose of the embodiment of the invention is to provide a kind of car-mounted terminal that comprises speed limit control system.
Another purpose of the embodiment of the invention is to provide a kind of speed-limiting control method, and described method comprises the steps:
The location information of the vehicle that the reception car-mounted terminal sends and current moving velocity;
According to the location information of described vehicle, obtain the Maximum speed limit of vehicle;
Judge whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains;
When the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is the drag instruction.
Another purpose of the embodiment of the invention is to provide a kind of speed-limiting control device, and described device comprises:
Receiver module is used to receive the location information of the vehicle that car-mounted terminal sends and current moving velocity;
The Maximum speed limit acquisition module is used for the location information of the vehicle that receives according to described receiver module, obtains the Maximum speed limit of vehicle;
Judge module is used to judge whether the current moving velocity of vehicle that described receiver module receives surpasses the Maximum speed limit that obtains; And
First Control for Speed Limitation instruction output module is used for exporting Control for Speed Limitation instruction to described car-mounted terminal when described judge module judges that the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, and described Control for Speed Limitation instruction is the drag instruction.
Another purpose of the embodiment of the invention is to provide a kind of server that comprises speed-limiting control device.
Another purpose of the embodiment of the invention is to provide a kind of limiting vehicle speed method, and described method comprises the steps:
Car-mounted terminal obtains the location information of current vehicle and current moving velocity, and the location information of current vehicle and current moving velocity are sent to far-end server;
Server is according to the location information of described vehicle, obtain the Maximum speed limit of vehicle, judge whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains, when the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is the drag instruction, when the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is not drag instruction;
The Control for Speed Limitation instruction that the car-mounted terminal reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction, when described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device, when described Control for Speed Limitation instruction is not drag instruction, then described not drag instruction is outputed to braking device, described not drag instruction is not carried out the drag operation in order to control described braking device.
Another purpose of the embodiment of the invention is to provide a kind of limiting vehicle speed system, and described system comprises:
Car-mounted terminal, be used to obtain the location information of current vehicle and current moving velocity, and the location information of current vehicle and current moving velocity sent to far-end server, simultaneously, the Control for Speed Limitation instruction that reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction, when described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device, when described Control for Speed Limitation instruction is not drag instruction, then described not drag instruction is outputed to braking device, described not drag instruction is not carried out the drag operation in order to control described braking device; And
Server, be used for location information according to the vehicle of described car-mounted terminal transmission, obtain the Maximum speed limit of vehicle, judge whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains, when the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is the drag instruction, when the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is not drag instruction.
The location information of the current vehicle that obtains in embodiments of the present invention, and current moving velocity; The location information of current vehicle and current moving velocity are sent to far-end server; The Control for Speed Limitation instruction that reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction; When described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device, the moving velocity of actv. control vehicle, realize the self-actuating brake of vehicle, hommization is higher.
Description of drawings
Fig. 1 is the realization flow figure of the speed-limiting control method that provides of first embodiment of the invention;
Fig. 2 is the structured flowchart of the speed limit control system that provides of first embodiment of the invention;
Fig. 3 is the realization flow figure of the speed-limiting control method that provides of second embodiment;
Fig. 4 is the realization flow figure of the speed-limiting control method that provides of the 3rd embodiment;
Fig. 5 is the structured flowchart of the speed-limiting control device that provides of first embodiment of the invention;
Fig. 6 is the structured flowchart of the Maximum speed limit acquisition module that provides of the embodiment of the invention;
Fig. 7 is the scheme drawing of the limiting vehicle speed method that provides of the embodiment of the invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The location information of the current vehicle that obtains in embodiments of the present invention, and current moving velocity; The location information of current vehicle and current moving velocity are sent to far-end server; The Control for Speed Limitation instruction that reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction; When described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device.
Fig. 1 shows the realization flow of the speed-limiting control method that first embodiment of the invention provides, and its concrete step is as described below:
In step S101, the location information of the current vehicle that obtains and current moving velocity.
In embodiments of the present invention, this location information of obtaining current vehicle can realize by GPS navigation equipment, and the moving velocity of current vehicle can be realized by sensor, does not repeat them here, but not in order to restriction the present invention.
In step S102, the location information of current vehicle and current moving velocity are sent to far-end server.
In embodiments of the present invention, the mode that the location information and the current moving velocity of current vehicle sent to server can have multiple, comprises the mode of radio communication, the mode of GPRS or GSM for example, at this not in order to restriction the present invention.
In step S103, the Control for Speed Limitation instruction that reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction.
In step S104, judge the type of the Control for Speed Limitation instruction receive, when described Control for Speed Limitation instruction instruct for drag, execution in step S105 was when described Control for Speed Limitation is instructed when drag does not instruct execution in step S106.
In step S105, when described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device.
In step S106, when described Control for Speed Limitation instruction is not drag instruction, then described not drag instruction is outputed to braking device, described not drag instruction is not carried out the drag operation in order to control described braking device.
In embodiments of the present invention, carry out corresponding brake operation, effectively control the speed of a motor vehicle according to the position and the speed of current vehicle.
Fig. 2 shows the structured flowchart of the speed limit control system that first embodiment of the invention provides, for convenience of explanation, only provided the part relevant with the embodiment of the invention among the figure, wherein, this speed limit control system can be built in software, hardware cell or the software and hardware combining unit of car-mounted terminal.
The location information of the current vehicle that acquisition module 11 obtains and current moving velocity; Sending module 12 sends to far-end server with the location information of current vehicle and current moving velocity; The Control for Speed Limitation instruction that Control for Speed Limitation command reception module 13 reception servers send, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction; The Control for Speed Limitation instruction that receives when described Control for Speed Limitation command reception module 13 is the drag instruction, the first instruction output module 14 outputs to braking device with described drag instruction, and described drag instruction is carried out the drag operation in order to control described braking device; The Control for Speed Limitation instruction that receives when described Control for Speed Limitation command reception module 13 is not drag instruction, the second instruction output module 15 outputs to braking device with described not drag instruction, and described not drag instruction is not carried out the drag operation in order to control described braking device.
Above-mentioned only is a system embodiment of the present invention, and the functional description of its each module does not repeat them here as described in the above-mentioned method embodiment.
Fig. 3 shows the realization flow of the speed-limiting control method that second embodiment of the invention provides, and its concrete step is as described below:
In step S201, the location information of the vehicle that the reception car-mounted terminal sends and current moving velocity.
In embodiments of the present invention, server obtains the location information of the vehicle that car-mounted terminal sends and current moving velocity by the mode of radio communication.
In step S202,, obtain the Maximum speed limit of vehicle according to the location information of described vehicle.
In embodiments of the present invention, this mode of obtaining the Maximum speed limit of vehicle can have multiple, following have provide the concrete mode of obtaining the vehicle Maximum speed limit, do not repeat them here.
In step S203, judge that whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains, be execution in step S204 then, otherwise execution in step S205.
In step S204, when the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is the drag instruction.
In step S205, when the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is not drag instruction.
In embodiments of the present invention,, obtain the Maximum speed limit of vehicle, and compare, need to judge whether the output drag with the current moving velocity of vehicle according to the location information of described vehicle.
Fig. 4 shows the realization flow of the speed-limiting control method that second embodiment of the invention provides, and its concrete step is as described below:
In step S301, the location information of the vehicle that the reception car-mounted terminal sends and current moving velocity.
In step S302,, calculate the highway section of vehicle current driving according to the location information of described vehicle.
In step S303,, read the Maximum speed limit in the highway section of current driving according to the highway section of the current driving that calculates.
In step S304, judge that whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains, be execution in step S305 then, otherwise execution in step S306.
In step S305, when the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is the drag instruction.
In step S306, when the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is not drag instruction.
In embodiments of the present invention, can carry out all kinds of judgements of Maximum speed limit to the highway section at vehicle place, for example whether this vehicle defines Maximum speed limit in this highway section, whether this highway section has definition Maximum speed limit and other judgement of segment path level, do not repeat them here, but not in order to restriction the present invention.
Above-mentioned only is a specific embodiment of the present invention.
Fig. 5 shows the structured flowchart of the speed-limiting control device that the embodiment of the invention provides, for convenience of explanation, only provided the part relevant with the embodiment of the invention among the figure, wherein, this speed-limiting control device can be built in software unit, hardware cell or the software and hardware combining unit of server.
The location information of the vehicle that receiver module 21 reception car-mounted terminals send and current moving velocity; The location information of the vehicle that Maximum speed limit acquisition module 22 receives according to described receiver module 21 is obtained the Maximum speed limit of vehicle; Judge module 23 judges whether the current moving velocity of vehicle that described receiver module 21 receives surpasses the Maximum speed limit that obtains; When described judge module 23 judged that the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, first Control for Speed Limitation instruction output module 24 was exported Control for Speed Limitation instruction to described car-mounted terminal, and described Control for Speed Limitation instruction is the drag instruction.
In embodiments of the present invention, as shown in Figure 6, when described judge module 23 is judged described when the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains, second Control for Speed Limitation instruction output module 25 is exported Control for Speed Limitation instruction to described car-mounted terminal, and described Control for Speed Limitation instruction is not drag instruction.
As an alternative embodiment of the invention, computing module 221 calculates the highway section of vehicle current driving according to the location information of described vehicle; Read module 222 reads the Maximum speed limit in the highway section of current driving according to the highway section of the current driving that calculates.
Above-mentioned only is a system embodiment of the present invention, and the functional description of its each module does not repeat them here as described in the above-mentioned method embodiment.
Fig. 7 shows the mutual scheme drawing of the limiting vehicle speed method that the embodiment of the invention provides, and it is specially:
1. car-mounted terminal obtains the location information of current vehicle and current moving velocity.
2. car-mounted terminal sends to far-end server with the location information of current vehicle and current moving velocity.
3. server obtains the Maximum speed limit of vehicle according to the location information of described vehicle, judges whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains.
4. server is exported Control for Speed Limitation instruction to described car-mounted terminal, and described Control for Speed Limitation instruction comprises drag instruction and not drag instruction.
5. the Control for Speed Limitation instruction of car-mounted terminal reception server transmission is exported described Control for Speed Limitation instruction to brake equipment.
In embodiments of the present invention, car-mounted terminal obtains the location information of current vehicle and current moving velocity, and the location information of current vehicle and current moving velocity sent to far-end server, simultaneously, the Control for Speed Limitation instruction that reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction, when described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device, when described Control for Speed Limitation instruction is not drag instruction, then described not drag instruction is outputed to braking device, described not drag instruction is not carried out the drag operation in order to control described braking device; Server is according to the location information of the vehicle of described car-mounted terminal transmission, obtain the Maximum speed limit of vehicle, judge whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains, when the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is the drag instruction, when the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is not drag instruction.
The location information of the current vehicle that obtains in embodiments of the present invention, and current moving velocity; The location information of current vehicle and current moving velocity are sent to far-end server; The Control for Speed Limitation instruction that reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction; When described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device, the moving velocity of actv. control vehicle, realize the self-actuating brake of vehicle, hommization is higher.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a speed-limiting control method is characterized in that, described method comprises the steps:
The location information of the current vehicle that obtains and current moving velocity;
The location information of current vehicle and current moving velocity are sent to far-end server;
The Control for Speed Limitation instruction that reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction;
When described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device.
2. the method for claim 1, it is characterized in that, the described instruction when described Control for Speed Limitation is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is in order to also to comprise the steps: after the step of controlling the operation of described braking device execution drag
When described Control for Speed Limitation instruction is not drag instruction, then described not drag instruction is outputed to braking device, described not drag instruction is not carried out the drag operation in order to control described braking device.
3. a speed limit control system is characterized in that, described system comprises:
Acquisition module, the location information of the current vehicle that is used to obtain and current moving velocity;
Sending module is used for the location information of current vehicle and current moving velocity are sent to far-end server;
Control for Speed Limitation command reception module is used for the Control for Speed Limitation instruction that reception server sends, and described Control for Speed Limitation instruction comprises drag instruction and not drag instruction; And
The first instruction output module, the Control for Speed Limitation instruction that is used for receiving when described Control for Speed Limitation command reception module is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device.
4. system as claimed in claim 3 is characterized in that, the described system that works as also comprises:
The second instruction output module, the Control for Speed Limitation instruction that is used for receiving when described Control for Speed Limitation command reception module is not drag instruction, then described not drag instruction is outputed to braking device, described not drag instruction is not carried out the drag operation in order to control described braking device.
5. car-mounted terminal that comprises claim 3 or 4 described speed limit control systems.
6. a speed-limiting control method is characterized in that, described method comprises the steps:
The location information of the vehicle that the reception car-mounted terminal sends and current moving velocity;
According to the location information of described vehicle, obtain the Maximum speed limit of vehicle;
Judge whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains;
When the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is the drag instruction.
7. method as claimed in claim 6, it is characterized in that, described when the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction also comprises the steps: for the step of drag instruction afterwards
When the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is not drag instruction.
8. method as claimed in claim 6 is characterized in that, described location information according to described vehicle, and the step of obtaining the Maximum speed limit of vehicle specifically comprises:
According to the location information of described vehicle, calculate the highway section of vehicle current driving;
According to the highway section of the current driving that calculates, read the Maximum speed limit in the highway section of current driving.
9. a speed-limiting control device is characterized in that, described device comprises:
Receiver module is used to receive the location information of the vehicle that car-mounted terminal sends and current moving velocity;
The Maximum speed limit acquisition module is used for the location information of the vehicle that receives according to described receiver module, obtains the Maximum speed limit of vehicle;
Judge module is used to judge whether the current moving velocity of vehicle that described receiver module receives surpasses the Maximum speed limit that obtains; And
First Control for Speed Limitation instruction output module is used for exporting Control for Speed Limitation instruction to described car-mounted terminal when described judge module judges that the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, and described Control for Speed Limitation instruction is the drag instruction.
10. device as claimed in claim 9 is characterized in that, described device also comprises:
Second Control for Speed Limitation instruction output module, be used for judging described when the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains when described judge module, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is not drag instruction.
11. device as claimed in claim 9 is characterized in that, described Maximum speed limit acquisition module specifically comprises:
Computing module is used for the location information according to described vehicle, calculates the highway section of vehicle current driving; And
Read module is used for the highway section according to the current driving that calculates, and reads the Maximum speed limit in the highway section of current driving.
12. server that comprises each described speed-limiting control device of claim 9 to 11.
13. a limiting vehicle speed method is characterized in that described method comprises the steps:
Car-mounted terminal obtains the location information of current vehicle and current moving velocity, and the location information of current vehicle and current moving velocity are sent to far-end server;
Server is according to the location information of described vehicle, obtain the Maximum speed limit of vehicle, judge whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains, when the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is the drag instruction, when the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is not drag instruction;
The Control for Speed Limitation instruction that the car-mounted terminal reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction, when described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device, when described Control for Speed Limitation instruction is not drag instruction, then described not drag instruction is outputed to braking device, described not drag instruction is not carried out the drag operation in order to control described braking device.
14. a limiting vehicle speed system is characterized in that, described system comprises:
Car-mounted terminal, be used to obtain the location information of current vehicle and current moving velocity, and the location information of current vehicle and current moving velocity sent to far-end server, simultaneously, the Control for Speed Limitation instruction that reception server sends, described Control for Speed Limitation instruction comprises drag instruction and not drag instruction, when described Control for Speed Limitation instruction is the drag instruction, then described drag instruction is outputed to braking device, described drag instruction is carried out the drag operation in order to control described braking device, when described Control for Speed Limitation instruction is not drag instruction, then described not drag instruction is outputed to braking device, described not drag instruction is not carried out the drag operation in order to control described braking device; And
Server, be used for location information according to the vehicle of described car-mounted terminal transmission, obtain the Maximum speed limit of vehicle, judge whether the current moving velocity of vehicle surpasses the Maximum speed limit that obtains, when the current moving velocity of described vehicle surpasses the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is the drag instruction, when the current moving velocity of described vehicle is no more than the Maximum speed limit that obtains, export Control for Speed Limitation instruction to described car-mounted terminal, described Control for Speed Limitation instruction is not drag instruction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010247890 CN102029983A (en) | 2010-08-06 | 2010-08-06 | Speed-limiting control method and system and vehicle terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010247890 CN102029983A (en) | 2010-08-06 | 2010-08-06 | Speed-limiting control method and system and vehicle terminal |
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Application publication date: 20110427 |