CN105303853B - A kind of vehicle Effec-tive Function strategy - Google Patents
A kind of vehicle Effec-tive Function strategy Download PDFInfo
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- CN105303853B CN105303853B CN201510574439.XA CN201510574439A CN105303853B CN 105303853 B CN105303853 B CN 105303853B CN 201510574439 A CN201510574439 A CN 201510574439A CN 105303853 B CN105303853 B CN 105303853B
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Abstract
The present invention relates to a kind of vehicle Effec-tive Function strategy, on the basis of driver intention and running conditions of vehicle is considered, current vehicle position is considered away from the factor such as next traffic post distance and traffic lights transformation periods, optimized by vehicle Effec-tive Function speed and calculate the real-time high-efficiency operating speed for obtaining vehicle, driver is reminded to correct operation reserve in time, the vehicle drive unit rotating speed time as much as possible is set to be in Effec-tive Function section, the economy of vehicle operation can be largely lifted, and has the function that to reduce traffic accident probability of happening.The present invention is applied in pure electric automobile technical field, will be effectively increased the course continuation mileage number of vehicle, while is that the safe operation of vehicle and the Effec-tive Function of intelligent automobile have established preferable theoretical foundation.
Description
Technical field
The present invention relates to technical field of vehicle control, more specifically to a kind of vehicle Effec-tive Function strategy.
Background technology
The problems such as economic sustained and rapid development makes energy scarcity and environmental pollution becomes increasingly conspicuous, and accelerates to cultivate and development is high
The new auto technology of effect is the grand strategy behave of automobile industry.The Effec-tive Function of automotive powerplant is to save the energy and reduction
One of main solution route of discharge, a kind of vehicle Effec-tive Function strategy will promote vehicle within most times in efficient
Running status.
The vehicle operation reserve applied at this stage considers driver intention and running conditions of vehicle mostly, on this basis to the greatest extent
Amount vehicle drive unit rotating speed be in Effec-tive Function section, consider current vehicle position away from next traffic post distance with
The factors such as traffic lights transformation periods, cause driver to drive vehicle and lack certain purpose.Such as driver see it is logical
Line direction signal lamp is red light, and in advance compared with far distance controlled low vehicle speeds, now rotational speed of driving unit is very likely in
Outside Effec-tive Function section；Or driver sees that current directional signal light is green light, driver think to have enough time by and
Acceleration passes through, but if being changed into amber light close to signal lamp during traffic post soon, then needs brake hard, drive device when causing to accelerate
Rotating speed also generates the waste of energy not in Effec-tive Function section, and during brake hard, or even leads to traffic accident.
To make the vehicle drive unit rotating speed time as much as possible be in Effec-tive Function section, reducing traffic accident
Probability, inventor introduces current vehicle position in vehicle operation reserve formulation process and believes away from next traffic post distance and traffic
Signal lamp two factor transformation period, the vehicle Effec-tive Function strategy of the present invention is proposed, reminds driver to correct operation reserve in time,
It is the Effec-tive Function based theoretical of intelligent vehicle while promoting vehicle drive unit Effec-tive Function.
The content of the invention
Invent a kind of purpose of vehicle Effec-tive Function strategy to be, the effectively power for giving full play to vehicle drive unit is special
Property, the energy consumption in running is reduced, reduces the probability that traffic accident occurs, and then is meeting driver's driving intention
On the premise of vehicle normal operation, reach the purpose of farthest saving the energy, highly effective and safe operation, there is important section
Learn meaning and theory value.
A kind of vehicle Effec-tive Function strategy proposed by the present invention, including the operation of rotational speed of driving unit optimized initial value, vehicle
Operating mode, pass through signal time to the change of next traffic postt H, to next traffic post distanceS H, vehicle Effec-tive Function speed optimization calculate,
Real-time high-efficiency operating speedv HWith a kind of vehicle Effec-tive Function strategy；Rotational speed of driving unit optimized initial value by driver intention and
Drive device Effec-tive Function rotating speed section determines；Become current signal time to next traffic postt HBy current time and traffic signals
Management system determines；To next traffic post distanceS HDetermined by current location and vehicle running path；Pass through vehicle Effec-tive Function
The real-time high-efficiency operating speed that speed optimization is calculatedv HIt is a kind of Main Basiss of vehicle Effec-tive Function strategy.
Whether vehicle drive unit rotating speed directly affects the traveling economy of vehicle in Effec-tive Function section, of the invention
Vehicle Effec-tive Function strategy, on the basis of driver intention and running conditions of vehicle is considered, consider current vehicle position
Away from the factor such as next traffic post distance and traffic lights transformation periods, remind driver to correct operation reserve in time, make vehicle
The rotational speed of driving unit time as much as possible is in Effec-tive Function section, can largely lift the economy of vehicle operation
Property, and have the function that to reduce traffic accident probability of happening.
A kind of vehicle Effec-tive Function strategy of the present invention is applied to automobile technical field, particularly applies in pure electric automobile
During technical field, the course continuation mileage number of vehicle will be effectively increased；And the safe operation for vehicle and the Effec-tive Function of intelligent automobile
Preferable theoretical foundation is established.After the vehicle Effec-tive Function strategy commercial applications of the present invention, larger economic effect will be brought
Benefit.
Brief description of the drawings
Fig. 1 is a kind of vehicle Effec-tive Function policy map of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of vehicle Effec-tive Function strategy proposed by the present invention, it includes：Rotational speed of driving unit optimization is just
Initial value（1）, running conditions of vehicle（2）, become current signal time to next traffic postt H（3）, to next traffic post distanceS H（4）、
The optimization of vehicle Effec-tive Function speed calculates（5）, real-time high-efficiency operating speedv H（6）With a kind of vehicle Effec-tive Function strategy（7）；Institute
State rotational speed of driving unit optimized initial value（1）By driver intention（11）With drive device Effec-tive Function rotating speed section（12）Really
It is fixed；The traffic post becomes current signal timet H（3）By current time（31）With traffic signals management system（32）Really
It is fixed；The traffic post distanceS H（4）By current location（41）And vehicle running path（42）It is determined that；It is efficient by vehicle
Operating speed optimization calculates（5）Obtained real-time high-efficiency operating speedv H（6）It is a kind of vehicle Effec-tive Function strategy（7）It is main
Foundation.
Present invention further optimization scheme is：
The driver intention（11）Including running at high speed, running at a low speed and normally travel；
In driver intention（11）Respectively run at high speed, run at a low speed, normally travel when, the rotational speed of driving unit is excellent
Change initial value（1）Drive device Effec-tive Function rotating speed section is taken respectively（12）Higher limit, lower limit, higher limit and lower limit it
The half of sum；
The running conditions of vehicle（2）Including the acceleration of vehicle urgency, anxious deceleration, upward slope, descending, straight road traveling, and
Urban traffic situation, high-speed road conditions and road conditions of jolting etc.；
The current time（31）Determined by the onboard navigation system time, the traffic signals management system（32）With traffic
The traffic signals management system of office is synchronous；
The traffic post becomes current signal timet H（3）Obtained by following calculation formula：
tH=NTts+tc
In formula：NFor nonnegative integer；T tsFor vehicle running path（42）In next traffic post right of way signal transformation period；
When next traffic post is in right of way signal,t cFor traffic signals management system（32）In this time right of way signal remaining time,
When next traffic post is in stop sign,t cFor current time（31）It is changed into the last right of way signal away from next traffic post
Time；
The current location（41）And vehicle running path（42）Determined by onboard navigation system；
The real-time high-efficiency operating speedv H（6）By extremely next traffic post distanceS H（4）Believe with becoming current to next traffic post
Number timet H（3）It is calculated：
The real-time high-efficiency operating speedv H（6）By rotational speed of driving unit optimized initial value（1）, drive device Effec-tive Function
Rotating speed section（12）And nonnegative integerNNumerical value determine.
A kind of vehicle Effec-tive Function strategy of the present invention, as shown in figure 1, first according to driver intention（11）Filled with driving
Put Effec-tive Function rotating speed section（12）Determine rotational speed of driving unit optimized initial value（1）, when obtaining current from onboard navigation system
Carve（31）, current location（41）And vehicle running path（42）, with reference to traffic signals management system（32）The traffic post letter of offer
Number switch law, determine to become current signal time to next traffic post respectivelyt H（3）With extremely next traffic post distanceS H（4）, then
Consider running conditions of vehicle（2）, optimized by vehicle Effec-tive Function speed and calculated（5）Obtain real-time high-efficiency operating speedv H（6）,
And then obtain a kind of vehicle Effec-tive Function strategy（7）.Real-time high-efficiency operating speedv H（6）Optimize in calculating process, first basis
Rotational speed of driving unit optimized initial value（1）Initial optimization speed is determined, next traffic post is bound to and becomes current signal timet H（3）
With extremely next traffic post distanceS H（4）Numerical computations obtain nonnegative integerNNumerical value, Ran HouquNNeighbouring integer value is counter to push away meter
Calculation obtains rotational speed of driving unit value, when in drive device Effec-tive Function rotating speed section（12）When interior, real-time high-efficiency can be determined
Operating speedv H（6）.A kind of vehicle Effec-tive Function strategy of the present invention, there is the work(for reminding driver to correct operation reserve in time
Effect, makes the vehicle drive unit rotating speed time as much as possible be in Effec-tive Function section, can largely lift vehicle
The economy and security of operation.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
- A kind of 1. vehicle Effec-tive Function method, it is characterised in that including：Rotational speed of driving unit optimized initial value (1), vehicle operation Operating mode (2), pass through signal time t to the change of next traffic postH(3), to next traffic post distance SH(4), vehicle Effec-tive Function speed Optimization calculates (5), real-time high-efficiency operating speed vH(6)；The rotational speed of driving unit optimized initial value (1) is by driver intention (11) determined with drive device Effec-tive Function rotating speed section (12)；The traffic post becomes current signal time tH(3) by Current time (31) and traffic signals management system (32) determine；The traffic post distance SH(4) by current location (41) determined with vehicle running path (42)；Optimized by vehicle Effec-tive Function speed and calculate the real-time high-efficiency operation that (5) obtain Speed vH(6) be vehicle Effec-tive Function method Main Basiss；The traffic post becomes current signal time tH(3) obtained by following calculation formula：tH=NTts+tcIn formula：N is nonnegative integer；TtsFor the right of way signal transformation period of next traffic post in vehicle running path (42)；Instantly When one traffic post is in right of way signal, tcFor in traffic signals management system (32) this time right of way signal remaining time, instantly When one traffic post is in stop sign, tcFor current time (31) away from next traffic post be changed into the last right of way signal when Between；The real-time high-efficiency operating speed vH(6) by next traffic post distance SH(4) and extremely next traffic post becomes current signal time tH(3) it is calculated：<mrow> <msub> <mi>V</mi> <mi>H</mi> </msub> <mo>=</mo> <mfrac> <msub> <mi>S</mi> <mi>H</mi> </msub> <mrow> <mi>N</mi> <mo>&CenterDot;</mo> <msub> <mi>T</mi> <mrow> <mi>t</mi> <mi>s</mi> </mrow> </msub> <mo>+</mo> <msub> <mi>t</mi> <mi>c</mi> </msub> </mrow> </mfrac> <mo>;</mo> </mrow>The real-time high-efficiency operating speed vH(6) by rotational speed of driving unit optimized initial value (1), drive device Effec-tive Function rotating speed Section (12) and nonnegative integer N numerical value determine；Initial optimization speed is determined according to rotational speed of driving unit optimized initial value (1), Become current signal time t with reference to next traffic postHAnd next traffic post distance S (3)H(4) numerical computations obtain nonnegative integer N's Numerical value, the integer value Extrapolation near N is then taken to obtain rotational speed of driving unit value, when in drive device Effec-tive Function rotating speed When section (12) is interior, real-time high-efficiency operating speed v is determinedH(6)。
- A kind of 2. vehicle Effec-tive Function method according to claim 1, it is characterised in that：Driver intention (11) bag Include and run at high speed, run at a low speed and normally travel.
- A kind of 3. vehicle Effec-tive Function method according to claim 1 or 2, it is characterised in that：In driver intention (11) Respectively run at high speed, run at a low speed, normally travel when, the rotational speed of driving unit optimized initial value (1) take respectively driving fill Put the half of the higher limit in Effec-tive Function rotating speed section (12), lower limit, higher limit and lower limit sum.
- A kind of 4. vehicle Effec-tive Function method according to claim 1, it is characterised in that：The running conditions of vehicle (2) Including the acceleration of vehicle urgency, anxious deceleration, upward slope, descending, straight road traveling, and urban traffic situation, high-speed road conditions and road conditions of jolting.
- A kind of 5. vehicle Effec-tive Function method according to claim 1, it is characterised in that：The current time (31) is by car The decision of navigation system time is carried, the traffic signals management system (32) is synchronous with the traffic signals management system of Department of Communications.
- A kind of 6. vehicle Effec-tive Function method according to claim 1, it is characterised in that：The current location (41) and car Driving path (42) is determined by onboard navigation system.
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| WO2014115309A1 (en) * | 2013-01-25 | 2014-07-31 | 三菱電機株式会社 | Movement assistance device and move ment assistance method |
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| CN102024335B (en) * | 2010-12-24 | 2012-12-05 | 同济大学 | Speed guiding method serving the green wave control of urban trunk roads |
| WO2012144255A1 (en) * | 2011-04-21 | 2012-10-26 | 三菱電機株式会社 | Drive assistance device |
| CN103794063A (en) * | 2012-11-02 | 2014-05-14 | 上海宝康电子控制工程有限公司 | System and method applied to road traffic green-wave band to realize vehicle speed induction |
| CN104200656B (en) * | 2014-09-16 | 2016-09-28 | 北京交通大学 | A kind of major trunk roads speed planing method based on traffic signal information |
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