CN105109487A - Speed optimization method for efficient running of vehicle - Google Patents
Speed optimization method for efficient running of vehicle Download PDFInfo
- Publication number
- CN105109487A CN105109487A CN201510575217.XA CN201510575217A CN105109487A CN 105109487 A CN105109487 A CN 105109487A CN 201510575217 A CN201510575217 A CN 201510575217A CN 105109487 A CN105109487 A CN 105109487A
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- vehicle
- speed
- effec
- optimization method
- running
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005457 optimization Methods 0.000 title claims abstract description 24
- 230000009466 transformation Effects 0.000 claims abstract description 9
- 230000008859 change Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 206010039203 Road traffic accident Diseases 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- B60W30/14—Adaptive cruise control
- B60W30/143—Speed control
-
- 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
- B60W30/18—Propelling the vehicle
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- 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
- B60W2554/00—Input parameters relating to objects
-
- 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
- B60W2556/00—Input parameters relating to data
- B60W2556/45—External transmission of data to or from the vehicle
- B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
-
- 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
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/10—Longitudinal speed
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to a speed optimization method for the efficient running of a vehicle. A most optimal or approximate optimum vehicle running speed is obtained by comprehensively taking into consideration of the factors, such as the distance from the current position of the vehicle to a next traffic post and the traffic signal transformation period on the basis of considering the intention of a driver and the vehicle running condition, the driver is reminded of modifying the running strategy in time, further the revolving speed of a vehicle drive device is caused to be within the efficient running range as much time as possible, and the economy and safety of running of the vehicle are enhanced to a greater extent. The endurance mileage of the vehicle is effectively increased when the speed optimization method is applied to the technical field of pure electric vehicles, and a better theoretical basis is laid for the safe running of the vehicle and efficient running of smart cars.
Description
Technical field
The present invention relates to technical field of vehicle control, more particularly, relate to a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method.
Background technology
Economic sustained and rapid development makes the problem such as energy scarcity and environmental pollution become increasingly conspicuous, and accelerates cultivate and develop the grand strategy behave that efficient new auto technology is auto trade.The Effec-tive Function of automotive powerplant is one of economize energy and the main solution route reducing discharge, a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method will make vehicle obtain more efficient operating speed, impel vehicle to be in efficient operation within most time.
Driver intention, running conditions of vehicle and car load loading status is mostly considered when the present stage vehicle operating speed of a motor vehicle is formulated, make vehicle drive unit rotating speed be in Effec-tive Function interval on this basis as far as possible, consider that current vehicle position is apart from factors such as next traffic post Distance geometry traffic signal lamp transformation periods, causes driver vehicle to lack certain purpose.Such as chaufeur sees that current directional signal light is red light, and shift to an earlier date comparatively distance control low vehicle speeds, now rotational speed of driving unit is very likely in outside Effec-tive Function interval; Or chaufeur sees that current directional signal light is green light, chaufeur is thought has enough time pass through and accelerate through, if but become amber light close to signal lamp during traffic post soon, then need emergency braking, when causing accelerating, rotational speed of driving unit is not in Effec-tive Function interval, and in emergency braking process, also create the waste of energy, even lead to traffic accident.
Being in Effec-tive Function interval for making the vehicle drive unit rotating speed time as much as possible, reducing the probability of traffic accident generation, contriver introduces current vehicle position apart from next traffic post Distance geometry traffic signal lamp two factor transformation period in vehicle operating speed of a motor vehicle optimization method, vehicle Effec-tive Function speed of a motor vehicle optimization method of the present invention is proposed, timely prompting chaufeur correction operating speed, while impelling vehicle drive unit Effec-tive Function, it is the Effec-tive Function based theoretical of intelligent vehicle.
Summary of the invention
The object of inventing a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method is, obtain the Effec-tive Function speed of a motor vehicle in vehicle operation, give full play to the effectively power characteristic of vehicle drive unit, reduce the energy consumption in operational process, reduce the probability that traffic accident occurs, and then meeting under the prerequisite that driver is intended to and vehicle normally runs, reach the farthest object such as economize energy, highly effective and safe operation, simultaneously for the Effec-tive Function Theoretical Design of intelligent vehicle lays the foundation, there is important scientific meaning and theory value.
As shown in Figure 1, step comprises S1 to a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method that the present invention proposes: determine rotational speed of driving unit optimized initial value, S2: the vehicle real time execution speed of a motor vehicle, S3: determine that current vehicle position is to next traffic post distance, S4: be calculated to the running time of next traffic post, S5: try to achieve the remainder with next traffic post traffic signal transformation period
t re, S6: next traffic post is traffic signal? S71: obtain next traffic post and stop the right of way signal end time
t r, S72: obtain next traffic post right of way signal end time
t g, S81:
t re>
t rs82:
t re<
t gcurrent vehicle speed is kept with S9.
The rotational speed of driving unit optimized initial value of step S1 is determined by the efficient rotating speed interval of driver intention and actuating device; Step S3, S5, S6, S71 and S72 are relevant to data such as onboard navigation system and traffic signal management systems; The prevention right of way signal of step S71 comprises red light on running route and steady yellow; Step S2 is realized by adjustment rotational speed of driving unit or conversion change speed gear box gear; Adjusting rotational speed of driving unit corresponding to described step S2 need in actuating device Effec-tive Function rotating speed interval.
Whether vehicle drive unit rotating speed is in the interval traveling economy directly affecting vehicle of Effec-tive Function, vehicle Effec-tive Function speed of a motor vehicle optimization method of the present invention, on the basis considering driver intention and running conditions of vehicle, consider current vehicle position apart from factors such as next traffic post Distance geometry traffic signal lamp transformation periods, obtain optimum or the preferably vehicle operating speed of a motor vehicle, timely prompting chaufeur correction operation reserve, the vehicle drive unit rotating speed time as much as possible is made to be in Effec-tive Function interval, can largely lifting vehicle run economy, and there is the effect reducing traffic accident probability of occurrence.
A kind of vehicle Effec-tive Function speed of a motor vehicle optimization method of the present invention is applicable to technical field of vehicle control, when being particularly applied in pure electric automobile technical field, will effectively increase the course continuation mileage number of vehicle; And established good theoretical basis for the safe operation of vehicle and the Effec-tive Function of intelligent vehicle.After vehicle Effec-tive Function speed of a motor vehicle optimization method of the present invention practical application, actuating device energy consumption will be reduced largely, and then bring larger economic benefit.
Accompanying drawing explanation
Fig. 1 is a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method figure of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method that the present invention proposes, its step comprises: S1: determine rotational speed of driving unit optimized initial value, S2: the vehicle real time execution speed of a motor vehicle, S3: determine that current vehicle position is to next traffic post distance, S4: be calculated to the running time of next traffic post, S5: try to achieve the remainder with next traffic post traffic signal transformation period
t re, S6: next traffic post is traffic signal? S71: obtain next traffic post and stop the right of way signal end time
t r, S72: obtain next traffic post right of way signal end time
t g, S81:
t re>
t rs82:
t re<
t gcurrent vehicle speed is kept with S9.
Present invention further optimization scheme is:
The rotational speed of driving unit optimized initial value of described step S1 is determined by the efficient rotating speed interval of driver intention and actuating device;
Described step S3, S5, S6, S71 and S72 are relevant to data such as onboard navigation system and traffic signal management systems;
The prevention right of way signal of described step S71 comprises red light on running route and steady yellow;
Described step S2 is realized by adjustment rotational speed of driving unit or conversion change speed gear box gear;
Adjusting rotational speed of driving unit corresponding to described step S2 need in actuating device Effec-tive Function rotating speed interval.
A kind of vehicle Effec-tive Function speed of a motor vehicle optimization method of the present invention, as shown in Figure 1, first rotational speed of driving unit optimized initial value is determined according to driver intention and actuating device Effec-tive Function rotating speed interval, obtain current time, current location and vehicle running path from onboard navigation system, and then calculate the running time of vehicle operating to next traffic post; Obtain traffic post signal transformation period by traffic signal management system, try to achieve vehicle to the remainder of next traffic post running time divided by traffic post signal transformation period
t re; According to the data of onboard navigation system and traffic signal management system, judge the type of next traffic post signal lamp and the end time of this type of signal lamp; On running route, when next traffic post is obtain the end time stoping right of way signal when stoping right of way signal
t r, the end time of right of way signal is obtained when next traffic post is right of way signal
t g.When
t re>
t ror
t re<
t gtime, keep current vehicle speed constant, otherwise need the adjustment vehicle real time execution speed of a motor vehicle.To ensure that rotational speed of driving unit is positioned at Effec-tive Function rotating speed interval during the adjustment of the vehicle real time execution speed of a motor vehicle.A kind of vehicle Effec-tive Function speed of a motor vehicle optimization method of the present invention, optimum or the preferably vehicle operating speed of a motor vehicle can be obtained, chaufeur correction operation reserve can be reminded in time, and then make the vehicle drive unit rotating speed time as much as possible be in Effec-tive Function interval, the economy of lifting vehicle operation largely and safety.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a vehicle Effec-tive Function speed of a motor vehicle optimization method, is characterized in that, comprising:
S1. rotational speed of driving unit optimized initial value is determined;
S2. the vehicle real time execution speed of a motor vehicle;
S3. determine that current vehicle position is to next traffic post distance;
S4. the running time of next traffic post is calculated to;
S5. the remainder with next traffic post traffic signal transformation period is tried to achieve
t re;
Does is S6. next traffic post traffic signal?
S71. obtain next traffic post and stop the right of way signal end time
t r;
S72. next traffic post right of way signal end time is obtained
t g;
S81.
t re>
t R？
S82.
t re<
t G？
S9. current vehicle speed is kept.
2. a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method according to claim 1, is characterized in that: the rotational speed of driving unit optimized initial value of described step S1 is determined by the efficient rotating speed interval of driver intention and actuating device.
3. a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method according to claim 1, is characterized in that: described step S3, S5, S6, S71 and S72 are relevant to data such as onboard navigation system and traffic signal management systems.
4. a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method according to claim 1, is characterized in that: the prevention right of way signal of described step S71 comprises red light on running route and steady yellow.
5. a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method according to claim 1, is characterized in that: adjusting rotational speed of driving unit corresponding to described step S2 need in actuating device Effec-tive Function rotating speed interval.
6. a kind of vehicle Effec-tive Function speed of a motor vehicle optimization method according to claim 1 and 5, is characterized in that: described step S2 is realized by adjustment rotational speed of driving unit or conversion change speed gear box gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575217.XA CN105109487B (en) | 2015-09-11 | 2015-09-11 | A kind of vehicle efficient operation speed optimization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575217.XA CN105109487B (en) | 2015-09-11 | 2015-09-11 | A kind of vehicle efficient operation speed optimization method |
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| CN105109487A true CN105109487A (en) | 2015-12-02 |
| CN105109487B CN105109487B (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510575217.XA Active CN105109487B (en) | 2015-09-11 | 2015-09-11 | A kind of vehicle efficient operation speed optimization method |
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| Country | Link |
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| CN (1) | CN105109487B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004862A (en) * | 2016-05-18 | 2016-10-12 | 江苏大学 | Traffic intersection heavy truck automatic braking control method based on internet of vehicles |
| CN109910869A (en) * | 2017-12-13 | 2019-06-21 | 郑州宇通客车股份有限公司 | A kind of hybrid power passenger car control method and device |
| CN110738863A (en) * | 2018-07-19 | 2020-01-31 | 北京嘀嘀无限科技发展有限公司 | Method and device for determining signal lamp period, timing change time and passing duration |
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| CN104794915A (en) * | 2015-05-11 | 2015-07-22 | 清华大学 | Continuous intersection traffic control method and device |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106004862A (en) * | 2016-05-18 | 2016-10-12 | 江苏大学 | Traffic intersection heavy truck automatic braking control method based on internet of vehicles |
| CN106004862B (en) * | 2016-05-18 | 2018-02-27 | 江苏大学 | A kind of traffic intersection heavy goods vehicle Braking mode control method based on car networking |
| CN109910869A (en) * | 2017-12-13 | 2019-06-21 | 郑州宇通客车股份有限公司 | A kind of hybrid power passenger car control method and device |
| CN110738863A (en) * | 2018-07-19 | 2020-01-31 | 北京嘀嘀无限科技发展有限公司 | Method and device for determining signal lamp period, timing change time and passing duration |
| CN110738863B (en) * | 2018-07-19 | 2020-12-08 | 滴滴智慧交通科技有限公司 | Method and device for determining signal lamp period, timing change time and passing duration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105109487B (en) | 2019-01-25 |
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Inventor after: Sun Binbin Inventor after: Li Bo Inventor after: Ge Wenqing Inventor after: Wang Kefeng Inventor after: Wang Geng Inventor before: Li Bo Inventor before: Ge Wenqing Inventor before: Wang Kefeng Inventor before: Wang Geng |
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