CN101875334A - Vehicle-mounted assistant system, control method and vehicle comprising system - Google Patents
Vehicle-mounted assistant system, control method and vehicle comprising system Download PDFInfo
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- CN101875334A CN101875334A CN2009101071535A CN200910107153A CN101875334A CN 101875334 A CN101875334 A CN 101875334A CN 2009101071535 A CN2009101071535 A CN 2009101071535A CN 200910107153 A CN200910107153 A CN 200910107153A CN 101875334 A CN101875334 A CN 101875334A
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Abstract
The invention provides a vehicle-mounted assistant system which comprises a CAN unit, a control processing unit and an output unit, wherein the CAN unit detects and reads the current information of a vehicle through a CAN bus of the vehicle; the control processing unit receives, analyzes and processes the current information of the vehicle; and the output unit outputs the information according to the analysis processing result of the control processing unit. Through the technical scheme, a driver can control the vehicle to enter a recommended travel mode through the output currently recommended travel mode information of the vehicle, thus improving the energy utilization factor of a hybrid vehicle, effectively reducing unnecessary energy consumption and reducing emission.
Description
Technical field
The present invention relates to technical field of automotive electronics, relate to the vehicle-mounted assistant system of the situations such as moving velocity that are used to show vehicle more specifically.The invention still further relates to the vehicle that is provided with this vehicle-mounted assistant system.
Background technology
At present, no matter be fuel vehicle or hybrid vehicle, can better be familiar with the also performance of operating and controlling vehicle in order to make chaufeur, in driving compartment, all there is a cover to show the instrument or the assistance system of vehicle parameter, shown information is: the various operating condition signals (as: speed of a motor vehicle, engine speed) of vehicle and alarm signal (as: engine breakdown) etc. directly are sent to instrument and display system with these signals by the CAN network on the vehicle or other need show the module of this signal by sensor.
At present, normally used a kind of assistance system is a kind of vehicle oil consumption on the vehicle read out instrument or system, this vehicle oil consumption read out instrument or system detect the instantaneous fuel consumption of 100km of conventional fuel vehicle usually and show by assistant device, and difference wherein only is that display refresher rate, Data Source of oil consumption etc. are different.This vehicle-mounted assistant device or system have only carried out measuring the demonstration that converts to oil consumption, do not have to form relevant processing policy and estimate economy; Usually the another kind of assistance system that often uses on the vehicle is the automobile intelligent meter system of band CAN communication, used the CAN network each demand information to be carried out the overall demonstration of meter system in this system, similarly, its displaying contents is the direct-reading data, its displaying contents is the real data of vehicle operating, be equivalent to an instrument central control system, do not possess ability, also do not possess the ability that the vehicle driver is proposed guiding suggestion especially the data Treatment Analysis.
Especially to hybrid vehicle, conventional hybrid power car vehicle-mounted assistant system only shows current oil consumption, current power consumption, work at present pattern and current vehicle speed.Especially, in the hybrid power vehicle, because operational mode, operating condition, interconnected system is complicated and changeable, need set up a cover assistance system, the driver is provided the reference suggestion of steering vehicle, so that the vehicle energy utilization efficiency improves, fuel consumption reduces, give full play to the advantage of hybrid power vehicle energy-saving and emission-reduction, so set up a cover vehicle-mounted assistant system that the motor vehicle driven by mixed power driver provides guiding suggestion is seemed particularly important.
Summary of the invention
The present invention is intended to solve does not have a cover to provide the vehicle-mounted assistant system of driver's directiveness suggestion to make vehicle operating problem under preferable mode of operation on the motor vehicle driven by mixed power in the prior art, providing a kind of can indicate chaufeur to select the corresponding vehicle-mounted assistant system of vehicle operating pattern and the control method of this vehicle-mounted assistant system thereof of recommending according to the operation information of motor vehicle driven by mixed power.The present invention also provides a kind of motor vehicle driven by mixed power that comprises above-mentioned vehicle-mounted assistant system.
A kind of vehicle-mounted assistant system of hybrid power vehicle comprises:
The CAN unit, the CAN bus by vehicle detects the current information that reads vehicle;
Controlled processing unit, the current information of reception vehicle is also analyzed and is handled;
Output unit is exported the recommendation driving mode information of current vehicle according to the analysis processing result of controlled processing unit.
A kind of control method of hybrid vehicle assistance system may further comprise the steps:
CAN unit by using CAN bus detects the current information that reads vehicle;
Controlled processing unit is analyzed and is handled described current information, and analysis processing result is exported to described output unit;
Described output unit is exported the recommendation driving mode information of current vehicle according to described analysis processing result.
The present invention also provides a kind of motor vehicle driven by mixed power, and this motor vehicle driven by mixed power comprises above-mentioned vehicle-mounted assistant system.
The present invention is by the above technical scheme, by the CAN unit the various information of motor vehicle driven by mixed power are detected processing, result after handling is exported by output unit, the information of being exported comprises the driving mode information of recommending, chaufeur can enter the recommendation driving mode by control vehicle by the information of described output, the capacity usage ratio of hybrid vehicle is improved, effectively reduce unnecessary energy consumption, reduced discharging.And chaufeur can close this system when not paying close attention to above-described information, to reduce unnecessary waste of energy.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the block diagram of vehicle-mounted assistant system of the present invention;
Fig. 2 is the control flow chart that the motor vehicle driven by mixed power of an embodiment of the present invention recommends driving mode to select;
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
As shown in Figure 1, the invention provides a kind of vehicle-mounted assistant system of hybrid power vehicle, this system comprises CAN unit 2, controlled processing unit 1 and read out instrument, CAN unit 2 detects and reads the current operation information of vehicle by the CAN bus, the vehicle current information that reads is sent to controlled processing unit 1, and the current information of vehicle is transported to output unit 6 after handling through controlled processing unit 1.The CAN bus links to each other with various controllers on the vehicle, as, electric machine controller, engine controller, drive system controller, the battery management controller, vehicle master controller etc., CAN unit 2 detects and reads the current information of vehicle and realizes by above-described various controllers by the CAN bus, can detect rotating speed of motor by electric machine controller, information such as temperature and power, can detect the rotating speed of driving engine by engine controller, power, information such as operating mode and driving engine fuel injection pulsewidth M, can detect information such as automotive power state by drive system controller, can detect by the battery management controller, the fall off rate δ of SOC, information such as battery bus voltages V and electric current I can detect the present mode of operation of vehicle by the vehicle master controller, information such as some faults of current vehicle speed and vehicle.The information that relates to required detection in the technical program is the present mode of operation of vehicle master controller and the detected vehicle of battery management controller, the information such as current electric quantity SOC of battery.The CAN bus is collected above-described vehicle current information and is sent these information to CAN unit 2, CAN unit 2 reads above-mentioned information and these information is carried out category filter and the result behind the category filter is sent to controlled processing unit 1 handling calculating, and the current information of vehicle is sent to output unit after calculating through the processing of controlled processing unit 1.Preferably, described controlled processing unit 1 adopts 16 bit DSP digital processing chips, is preferably widely used TMSLF2407A chip.
Vehicle-mounted assistant system also comprises driver element 5, driver element 5 links to each other with output unit 6, driver element 5 for display driver chip commonly used and or the sound driver chip, output unit 6 controlled processing unit 1 can be handled under the driving of driver element 5 after calculating information with visual and or the form of voice show.
Output unit 6 can for display equipment and or speech ciphering equipment, display equipment can be used to show the output information of output unit, as the recommendation driving mode information of the current vehicle that shows motor vehicle driven by mixed power; Speech ciphering equipment is used for the output information of voice suggestion output unit.As, if the recommendation driving mode of vehicle is electric-only mode (an EV pattern), then control the speech ciphering equipment voice suggestion: electric-only mode (EV pattern).
Output unit 6 can be designed to the recommendation driving mode information that a display equipment is used for showing the current vehicle that closes power car separately, and output unit 6 also can be designed to a speech ciphering equipment separately and be used for the recommendation driving mode information that voice suggestion closes the current vehicle of power car; Select as another kind, the recommendation driving mode information that output unit 6 shows simultaneously and the current vehicle of power car is closed in voice suggestion, promptly output unit 6 shows that this recommended driving mode information by voice suggestion when current vehicle was recommended driving mode information.Display equipment and speech ciphering equipment can be made of one, and also can separately work alone.Described display equipment preferably adopts charactron or Liquid Crystal Display (LCD).
Operator or chaufeur by output unit 6 demonstration and or voice suggestion can learn clearly that the current recommendation driving mode of vehicle is electric-only mode (EV pattern) or hybrid mode (HEV pattern).According to the demonstration of this output unit 6 and or voice suggestion, chaufeur can control vehicle according to output unit 6 demonstrations and or the recommendation driving mode of the current vehicle of voice suggestion travel, make car load reach optimum working zone and minimum energy consumption state.
This vehicle-mounted assistant system of hybrid power vehicle also comprises the power supply unit 4 to controlled processing unit 1 and output unit 6 power supplies, power supply unit 4 comprises a power supply and a voltage stabilizing chip, as shown in Figure 1, this power supply unit 4 is connected with controlled processing unit 1 and output unit 6, when vehicle-mounted assistant system of hybrid power vehicle was worked, the power supply of power supply unit 4 provided a stable operating voltage to guarantee the reliable operation of controlled processing unit 1 and output unit 6 by the voltage stabilizing chip to controlled processing unit 1 and output unit 6.The power supply of power supply unit 4 can be the power battery pack on the motor vehicle driven by mixed power.In addition, this vehicle-mounted assistant system also comprises the reset key 3 that is connected with controlled processing unit 1, and reset key 3 can be used for to vehicle-mounted assistant system of hybrid power vehicle (initialization) operation that resets.Before vehicle-mounted assistant system of hybrid power vehicle carries out work at every turn, can come by operation controlled processing unit 1 is carried out reset operation to reset key 3.
The present invention provides a kind of control method of vehicle-mounted assistant system of hybrid power vehicle according to above-described vehicle-mounted assistant system of hybrid power vehicle, mainly may further comprise the steps:
CAN unit 2 utilizes the CAN bus to detect the current information that reads vehicle respectively, comprises information such as current vehicle speed V1, battery electric quantity SOC, engine operating condition, vehicle current driving pattern, battery bus voltages V and electric current I.CAN unit 2 reads these information and carries out category filter, and the information behind the category filter is input to controlled processing unit 1;
The current information that 1 pair of CAN unit 2 of controlled processing unit transmits is handled and is calculated, and result of calculation is exported to output unit 6;
Output unit 6 according to the result of calculation demonstration that receives and or the recommendation driving mode information of the current vehicle of voice suggestion.
Concrete control process as shown in Figure 2, enter step S110 after the system initialization, be driving mode information and the current battery electric quantity SOC value that CAN unit 2 reads current vehicle, then the information that is read is sent to controlled processing unit 1, the information that controlled processing unit 1 reception CAN unit 2 sends is also carried out analytical calculation, calculate the fall off rate δ (step S112) of SOC in the certain time interval T, here can get T is the fall off rate δ that 10s calculates SOC, the built-in parameter of 1 couple of battery electric quantity SOC of controlled processing unit and capacity of cell fall off rate δ and system compares then, at first relatively SOC value (step S114).When SOC＞80%, controlled processing unit 1 control output unit 6 demonstrations and or voice suggestion be: pure electronic (EV) pattern (step S120), end of program; When SOC value≤80%, whether controlled processing unit 1 further compares SOC less than 25% (step S116), if SOC value＜25%, controlled processing unit 1 control output unit 6 demonstrations and or voice suggestion be: hybrid power (HEV) pattern (step S118), end of program; When SOC 〉=25%, controlled processing unit 1 further compares the value (S122) of δ, the δ ' that establishes in the system in the present embodiment=0.01, when δ＞0.01, controlled processing unit 1 control output unit 6 demonstrations and or voice suggestion be: hybrid power (HEV) pattern (step S118), end of program; When δ is not more than system's default value 0.01, controlled processing unit 1 control output unit 6 demonstrations and or voice suggestion be: keep present mode (step S124), end of program.
Demonstration by above-described control method and output unit 6 and or the voice suggestion result, operator or chaufeur be easy to contrast the current driving pattern of motor vehicle driven by mixed power and system's demonstration and or the vehicle of voice suggestion recommend driving mode, the control motor vehicle driven by mixed power operates in to be recommended on the driving mode.
By above technical scheme, we can clearly draw technique effect, the various information of crossing the 2 pairs of motor vehicle driven by mixed powers in CAN unit detect the analytical calculation of reading with controlled processing unit 1, with the result after handling by output unit 6 demonstrations and or voice suggestion come out, can be with the recommendation driving mode of motor vehicle driven by mixed power, be vehicle the demonstration intuitively of best driving mode and or voice suggestion come out, chaufeur by described demonstration and or the vehicle of voice suggestion recommend driving mode information, can enter the recommendation driving mode by control vehicle, so that vehicle energy utilization efficiency and performance are improved, increase fuel economy, give full play to the motor vehicle driven by mixed power High Performance, the advantage of anti-emission carburetor.
For above vehicle-mounted assistant system, chaufeur can be closed this system fully when not paying close attention to above-described information, to reduce unnecessary waste of energy.
The present invention also provides a kind of motor vehicle driven by mixed power that comprises above-mentioned vehicle-mounted assistant system of hybrid power vehicle, this vehicle-mounted assistant system detect by vehicle master controller, battery management controller vehicle present mode of operation, electrokinetic cell current electric quantity SOC, battery bus voltages V and information such as electric current I, CAN unit 2 reads the information that is detected by the CAN bus, and these information are delivered to controlled processing unit 1 handle, visible above embodiment is described for concrete treating process.The Processing Structure of controlled processing unit outputs to output unit 6 the most at last, and controls the recommendation driving mode information of its demonstration and or the current vehicle of voice suggestion, promptly current best driving mode information.Chaufeur can move under the recommendation driving mode of vehicle according to the prompting control motor vehicle driven by mixed power of this information.Preferably, the output unit 6 of this vehicle-mounted assistant system of hybrid power vehicle can be arranged on the facia board of motor vehicle driven by mixed power or on the vehicle cab console or console top, be preferably and be arranged on the vehicle cab console or the console top, to make things convenient for the observation of chaufeur, be provided preferably with the car travel mode select switch in the operator's compartment of this motor vehicle driven by mixed power, utilize this switch, chaufeur can conveniently be controlled hybrid car travel under pure electronic (EV) pattern or hybrid power (HEV) pattern.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.
Claims (13)
1. a vehicle-mounted assistant system is characterized in that, comprising:
CAN unit (2), the CAN bus by vehicle detects the current information that reads vehicle;
Controlled processing unit (1), the current information of reception vehicle is also analyzed and is handled;
Output unit (6) is exported the recommendation driving mode information of current vehicle according to the analysis processing result of controlled processing unit (1).
2. vehicle-mounted assistant system according to claim 1 is characterized in that, described output unit (6) be display equipment and or speech ciphering equipment, be used for showing with or the recommendation driving mode of the current vehicle of voice suggestion.
3. vehicle-mounted assistant system according to claim 1 is characterized in that, the current information of described vehicle comprises vehicle present mode of operation and battery electric quantity SOC.
4. vehicle-mounted assistant system according to claim 2 is characterized in that, the recommendation pattern of described vehicle ' comprises electric-only mode (EV pattern) and hybrid mode (HEV pattern).
5. vehicle-mounted assistant system according to claim 2 is characterized in that, described display equipment (6) is charactron or Liquid Crystal Display (LCD).
6. vehicle-mounted assistant system according to claim 5 is characterized in that, described controlled processing unit (1) is 16 bit DSP digital processing chips.
7. vehicle-mounted assistant system according to claim 6, it is characterized in that, also comprise power supply unit (4) to described controlled processing unit (1) and output unit (6) power supply, described power supply unit (4) is made up of power supply and voltage stabilizing chip, and being used for provides stable operating voltage to described controlled processing unit (1) and output unit (6).
8. vehicle-mounted assistant system according to claim 7 is characterized in that, described vehicle-mounted assistant system also comprises a reset key (3) that links to each other with described controlled processing unit (1), is used for described controlled processing unit (1) is carried out initialization operation.
9. the control method of any described vehicle-mounted assistant system of claim 1-8 may further comprise the steps:
CAN unit (2) utilizes the CAN bus to detect the current information that reads vehicle;
Controlled processing unit (1) is analyzed and is handled described current information, and analysis processing result is exported to described output unit (6);
Described output unit (6) is exported the recommendation driving mode information of current vehicle according to described analysis processing result.
10. control method according to claim 9 is characterized in that,
Controlling described CAN unit (2) reads current driving pattern and current battery electric quantity SOC value and is transported to described controlled processing unit (1) by the CAN bus;
Described controlled processing unit (1) calculates the fall off rate δ of SOC in the certain time interval T according to current car travel mode and SOC value;
According to the result of described controlled processing unit (1), control (6) demonstration of described output unit and or the recommendation driving mode of voice suggestion vehicle.
11. control method according to claim 10 is characterized in that,
When described SOC＞80%, control (6) demonstration of described output unit and or voice suggestion electric-only mode (EV pattern);
When described SOC＜25%, perhaps
25%≤SOC≤80% and δ＞0.01 o'clock, control (6) demonstration of described output unit and or voice suggestion hybrid mode (HEV pattern);
When described 25%≤SOC≤80% and δ≤0.01, control (6) demonstration of described output unit and or voice suggestion vehicle present mode of operation.
12. control method according to claim 9 is characterized in that, before the each work of described vehicle-mounted assistant system, by described reset key (3) described controlled processing unit (1) is carried out reset operation.
13. a motor vehicle driven by mixed power is characterized in that, described motor vehicle driven by mixed power comprises any described vehicle-mounted assistant system of claim 1-8.
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| CN2009101071535A CN101875334A (en) | 2009-04-30 | 2009-04-30 | Vehicle-mounted assistant system, control method and vehicle comprising system |
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| CN2009101071535A CN101875334A (en) | 2009-04-30 | 2009-04-30 | Vehicle-mounted assistant system, control method and vehicle comprising system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029682A (en) * | 2013-03-07 | 2014-09-10 | 广州汽车集团股份有限公司 | Electric vehicle recommendation speed acquiring method and device |
| US9388750B2 (en) | 2013-03-15 | 2016-07-12 | Ford Global Technologies, Llc | System and method for optimizing availability of vehicle energy conserving modes |
| CN107791969A (en) * | 2017-09-28 | 2018-03-13 | 北京新能源汽车股份有限公司 | A kind of energy expenditure reminding method and system |
| CN109895761A (en) * | 2017-12-11 | 2019-06-18 | 现代自动车株式会社 | The method of vehicle and the drive mode for automatically selecting the vehicle |
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2009
- 2009-04-30 CN CN2009101071535A patent/CN101875334A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029682A (en) * | 2013-03-07 | 2014-09-10 | 广州汽车集团股份有限公司 | Electric vehicle recommendation speed acquiring method and device |
| CN104029682B (en) * | 2013-03-07 | 2015-11-18 | 广州汽车集团股份有限公司 | The acquisition methods of battery-driven car advisory speed and device |
| US9388750B2 (en) | 2013-03-15 | 2016-07-12 | Ford Global Technologies, Llc | System and method for optimizing availability of vehicle energy conserving modes |
| CN107791969A (en) * | 2017-09-28 | 2018-03-13 | 北京新能源汽车股份有限公司 | A kind of energy expenditure reminding method and system |
| CN109895761A (en) * | 2017-12-11 | 2019-06-18 | 现代自动车株式会社 | The method of vehicle and the drive mode for automatically selecting the vehicle |
| CN109895761B (en) * | 2017-12-11 | 2023-10-20 | 现代自动车株式会社 | Vehicle and method for automatically selecting a drive mode of the vehicle |
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Application publication date: 20101103 |