CN105253145A - Self-adaption parameter adjustment method for automobile advanced driver assistance system - Google Patents
Self-adaption parameter adjustment method for automobile advanced driver assistance system Download PDFInfo
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- CN105253145A CN105253145A CN201510503559.0A CN201510503559A CN105253145A CN 105253145 A CN105253145 A CN 105253145A CN 201510503559 A CN201510503559 A CN 201510503559A CN 105253145 A CN105253145 A CN 105253145A
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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
- B60W30/16—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
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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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/0098—Details of control systems ensuring comfort, safety or stability not otherwise provided for
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Abstract
The invention discloses a self-adaption parameter adjustment method for an automobile advanced driver assistance system. The self-adaption parameter adjustment method includes the following steps: (1)an ADAS sets an alarm parameter fluctuant range and an initial car following parameter value when shipped; (2) in an initial use process of a vehicle, the ADAS automatically detects a distance between the vehicle itself and a front vehicle in real time, calculates an average car following time during one period, and amends the initial car following parameter value to obtain a self-adaption parameter value suitable for a user himself based on the average car following time; (3) in a post use process of the vehicle, the ADAS automatically detects the distance between the vehicle itself and the front vehicle in real time based on the current self-adaption car following parameter value, calculates alarm times, and subsequently amends the current self-adaption car following parameter value by determining whether the alarm times per unit time reaches the upper limit or not. According to the invention, the self-adaption parameter adjustment method for the automobile advanced driver assistance system is simple in principle and is easy to realize, and the practical value is high.
Description
Technical field
The present invention relates to a kind of ADAS system, specifically, relate to the self-tuning parameter adjustment method in the senior drive assist system of a kind of automobile.
Background technology
Along with popularizing of automobile, and the raising day by day of state-of-art, senior drive assist system (ADAS) is popularized on a lot of superior automobile.In the ADAS system of reality, generally have anti-collision warning, with functions such as car early warning.Anti-collision warning is that system determines and is about to collide (people or car), and the early warning sent in advance.In this case, driver must make a response at once, to avoid contingent collision.Then when this spacing same track front truck is less than certain setting value (generally can be converted into the time according to speed) with car early warning, the early warning information sent.Comparatively speaking, with the urgency level of car early warning, hazard level not as good as anti-collision warning, but in the driving procedure of reality, this type of warning is more common on the contrary.If following distance is too small, then when front truck brakes suddenly, rear car does not have the enough reaction time, will cause knocking into the back.In actual ADAS system, general car pre-warning time value minimum value of following is set as 0.6 second, and its computing formula is as follows: T=S/V,
Wherein, T is follow-up time, and unit is second; S is two spacings, and unit is rice; V is current the car speed of a motor vehicle, and unit is meter per second.
Correct use, with car early warning, can allow Ben Che and front truck keep the distance of a safety, can greatly reduce the generation of contingency, also can turn out good driving habit simultaneously.In the ADAS product of reality, the alarm threshold setting with car early warning is quite complicated.If arrange too low, then do not have the effect of active forewarning, arrange too high, then can frequently report to the police again.In addition on the one hand, the driving habit of different drivers is completely different, and some drivers are far with car, and some drivers are very near with car.Even same driver, in the different time periods, its following distance also can change.If ADAS system just sets some fixing alarm thresholds during vehicle release, be then difficult to take into account different driving styles.Many products are all set a threshold value when dispatching from the factory at present, then reoffer setting interface, revise voluntarily to facilitate user.But actual conditions are, user can not go to set these values, or often misspecification, and net result is exactly customer experience degree extreme difference, and the function of safe early warning is also had a greatly reduced quality simultaneously.
Summary of the invention
The object of the present invention is to provide the self-tuning parameter adjustment method in the senior drive assist system of a kind of automobile, solving ADAS system alarm thresholding in prior art needs user manually to arrange voluntarily could to meet the driving custom of user oneself and cause the problem that its warning function is had a greatly reduced quality.
To achieve these goals, the technical solution used in the present invention is as follows:
Self-tuning parameter adjustment method in the senior drive assist system of automobile, comprises the following steps:
(1) an alarm parameters waving interval and one is set when ADAS system is dispatched from the factory initially with car parameter value;
(2) in the preliminary use procedure of vehicle, the distance of ADAS system automatic detection vehicle self and front truck in real time, average follow-up time in statistics a period of time, and with this average follow-up time for foundation, revise with car parameter value initial, obtain the self adaptation of applicable user oneself with car parameter value;
(3) in the follow-up use procedure of vehicle, the distance of ADAS system automatic detection vehicle self and front truck in real time all the time, and follow car parameter value for foundation with current self adaptation, statistics alarm times, by judging whether the alarm times in the unit time reaches the upper limit, with car parameter value, subsequent correction is carried out to current self adaptation;
(4) in any driving process of vehicle, ADAS system repeats step (3) all automatically, current self adaptation is revised with car parameter value, revised self adaptation covers the self adaptation before correction with car parameter value automatically with car parameter value, and self adaptation follows car parameter value to be according to statistics alarm times with a self adaptation before the correction of car parameter value next time.
Further, the concrete grammar revised with car parameter value self adaptation in described step (3) is as follows:
If the alarm times in the unit time reaches the upper limit of default, then in alarm parameters waving interval, automatically reduce self adaptation with car parameter value;
If alarm free in the unit time, then do not revise self adaptation with car parameter value;
If equal alarm free in continuous multiple unit time, and current self adaptation does not reach the higher limit of alarm parameters waving interval with car parameter value yet, then in alarm parameters waving interval, automatically increase current self adaptation with car parameter value.
Again further, described self adaptation is divided into fast mode and low-speed mode with the correction of car parameter value according to the speed of a motor vehicle, under fast mode self adaptation get rid of with the correction of car parameter value overtake other vehicles, alarm times under emergency brake situation.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention is by the adjustment to existing ADAS system alarm optimum configurations mode, ADAS system can be enable to adapt to the driving habit of different car owner, and the driving condition under varying environment, guarantee that ADAS system alarm can not be subject to environmental concerns and report by mistake, allow car owner really can enjoy the benefit of ADAS system auto-alarm function, avoid the warning function of ADAS system to give a discount because of the correct parameters of car owner or non-parameters.
(2) the present invention is while realization automatically adjustment parameter, also any self-regulation with car parameter value is limited by alarm parameters waving interval, the bad steering custom avoiding car owner causes the warning function of ADAS system to lose efficacy, also the setting range of car parameter value can be followed to correct the bad steering custom of car owner by restriction simultaneously, provide practicable help approach for car owner sets up good driving habit.
(3) principle of the invention is simple, and it is convenient to realize, and can provide great convenience for car owner, and failure-free safety control, has very high practical value.
Accompanying drawing explanation
Fig. 1 is schematic flow sheet of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, the self-tuning parameter adjustment method in the senior drive assist system of automobile disclosed by the invention, comprises the following steps:
(1) an alarm parameters waving interval and one is set when ADAS system is dispatched from the factory initially with car parameter value;
(2) in the preliminary use procedure of vehicle, the distance of ADAS system automatic detection vehicle self and front truck in real time, average follow-up time in statistics a period of time, and with this average follow-up time for foundation, revise with car parameter value initial, obtain the self adaptation of applicable user oneself with car parameter value;
(3) in the follow-up use procedure of vehicle, the distance of ADAS system automatic detection vehicle self and front truck in real time all the time, and follow car parameter value for foundation with current self adaptation, statistics alarm times, by judging whether the alarm times in the unit time reaches the upper limit, with car parameter value, subsequent correction is carried out to current self adaptation;
(4) in any driving process of vehicle, ADAS system repeats step (3) all automatically, current self adaptation is revised with car parameter value, revised self adaptation covers the self adaptation before correction with car parameter value automatically with car parameter value, and self adaptation follows car parameter value to be according to statistics alarm times with a self adaptation before the correction of car parameter value next time.
Wherein, the concrete grammar revised with car parameter value self adaptation in described step (3) is as follows:
If the alarm times in the unit time reaches the upper limit of default, then in alarm parameters waving interval, automatically reduce self adaptation with car parameter value;
If alarm free in the unit time, then do not revise self adaptation with car parameter value;
If equal alarm free in continuous multiple unit time, and current self adaptation does not reach the higher limit of alarm parameters waving interval with car parameter value yet, then automatically increase current self adaptation with car parameter value.
Especially, described self adaptation is divided into fast mode and low-speed mode with the correction of car parameter value according to the speed of a motor vehicle, under fast mode self adaptation get rid of with the correction of car parameter value overtake other vehicles, alarm times under emergency brake situation.
Below by citing, working process of the present invention is described in detail.
When supposing that ADAS system is dispatched from the factory, the alarm parameters waving interval of setting is 0.6S ~ 1S, and initial is 0.8S with car parameter value.In the present invention, so-called alarm parameters waving interval refers to the variable range with car parameter value, and initial be that ADAS system dispatches from the factory with car parameter value is the parameter value set, and this parameter value is the moderate driving style of following distance, namely, in all following distances, this parameter value is placed in the middle.Self adaptation is then trigger the reality of ADAS system alarm with car parameter value in vehicle travel process with car parameter value.
When vehicle tentatively uses, first ADAS system needs to revise with car parameter value the initial of setting when dispatching from the factory, with the driving habit of applicable car owner self, its concrete grammar is: calculating vehicle travels the average follow-up time in certain hour, as the average follow-up time in 10 hours, be assumed to be 0.9S.Due to 0.9S and 0.8S not etc., therefore revise with car parameter value initial, initially will be modified to 0.9S with car parameter value, become the self adaptation of applicable car owner self with car parameter value.Do not carrying out before this revises, ADAS system just using 0.9S as trigger alarm with car parameter value.
In the follow-up use procedure of vehicle, ADAS system detects vehicle and the distance with track front truck in real time, and using 0.9S as self adaptation with car parameter value, the alarm times in the statistical unit time.The length of unit time can unrestricted choice, such as 1 hour, 2 hours, 5 hours etc.If the alarm times in the unit time reaches the high alarm setting of ADAS default, then ADAS system reduces self adaptation automatically with car parameter value---0.9S, can appoint between the lower limit 0.6S to 0.9S of alarm parameters waving interval and get a value to replace 0.9S, as 0.7S.And after this, then follow car parameter value using 0.7S as self adaptation, carry out self adaptation follow-up in vehicle use procedure with the correction of car parameter value.
The object that the present invention so sets is, each car owner has oneself driving habit, even if same car owner, also can be different at the driving habit of different time, as day and night, same car owner can do by myself change following distance, in this case, the self adaptation on daytime cannot meet the warning demand of driving night naturally with car parameter value, therefore, the alarm parameters of ADAS system needs to regulate in real time, instead of regulates and once just do not need to regulate again, is not more fixing satisfiable with car parameter value.
The present invention designs ingenious, and principle is simple, and it is convenient to realize, and greatly can simplify the using method of ADAS system, reduces and uses trouble, simultaneously for the correction of bad steering custom provides feasible program.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as adopt principle of design of the present invention, and the change carried out non-creativeness work on this basis and make, all should belong within protection scope of the present invention.
Claims (3)
1. the self-tuning parameter adjustment method in the senior drive assist system of automobile, is characterized in that, comprise the following steps:
(1) an alarm parameters waving interval and one is set when ADAS system is dispatched from the factory initially with car parameter value;
(2) in the preliminary use procedure of vehicle, the distance of ADAS system automatic detection vehicle self and front truck in real time, average follow-up time in statistics a period of time, and with this average follow-up time for foundation, revise with car parameter value initial, obtain the self adaptation of applicable user oneself with car parameter value;
(3) in the follow-up use procedure of vehicle, the distance of ADAS system automatic detection vehicle self and front truck in real time all the time, and follow car parameter value for foundation with current self adaptation, statistics alarm times, by judging whether the alarm times in the unit time reaches the upper limit, with car parameter value, subsequent correction is carried out to current self adaptation;
(4) in any driving process of vehicle, ADAS system repeats step (3) all automatically, current self adaptation is revised with car parameter value, revised self adaptation covers the self adaptation before correction with car parameter value automatically with car parameter value, and self adaptation follows car parameter value to be according to statistics alarm times with a self adaptation before the correction of car parameter value next time.
2. the self-tuning parameter adjustment method in the senior drive assist system of automobile according to claim 1, is characterized in that, the concrete grammar revised with car parameter value self adaptation in described step (3) is as follows:
If the alarm times in the unit time reaches the upper limit of default, then in alarm parameters waving interval, automatically reduce self adaptation with car parameter value;
If alarm free in the unit time, then do not revise self adaptation with car parameter value;
If equal alarm free in continuous multiple unit time, and current self adaptation does not reach the higher limit of alarm parameters waving interval with car parameter value yet, then in alarm parameters waving interval, automatically increase current self adaptation with car parameter value.
3. the self-tuning parameter adjustment method in the senior drive assist system of automobile according to claim 2, it is characterized in that, described self adaptation is divided into fast mode and low-speed mode with the correction of car parameter value according to the speed of a motor vehicle, under fast mode self adaptation get rid of with the correction of car parameter value overtake other vehicles, alarm times under emergency brake situation.
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Cited By (8)
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| CN108449234A (en) * | 2018-04-04 | 2018-08-24 | 国家计算机网络与信息安全管理中心 | A kind of intelligent fuzzy test method based on dynamic analysis |
| TWI658956B (en) * | 2018-03-09 | 2019-05-11 | 世環國際股份有限公司 | Method and module for excluding misjudgment of improper vehicle following, and system thereof |
| TWI658955B (en) * | 2018-03-09 | 2019-05-11 | 世環國際股份有限公司 | Method for determining improper vehicle following, module and system thereof |
| CN110264782A (en) * | 2018-03-12 | 2019-09-20 | 世环国际股份有限公司 | The improper follow the bus judgment method of vehicle, improper follow the bus judgment module and system |
| CN110264705A (en) * | 2018-03-12 | 2019-09-20 | 世环国际股份有限公司 | The improper follow the bus erroneous judgement method for removing of vehicle, erroneous judgement exclude module and system |
| CN113212449A (en) * | 2021-04-30 | 2021-08-06 | 重庆长安汽车股份有限公司 | Function trigger parameter adjusting method of front collision early warning system |
| CN114132310A (en) * | 2021-12-10 | 2022-03-04 | 合肥保航汽车科技有限公司 | Front collision early warning method |
| CN114596713A (en) * | 2022-05-09 | 2022-06-07 | 天津大学 | Real-time remote monitoring control method and system for vehicle |
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| CN114132310A (en) * | 2021-12-10 | 2022-03-04 | 合肥保航汽车科技有限公司 | Front collision early warning method |
| CN114596713A (en) * | 2022-05-09 | 2022-06-07 | 天津大学 | Real-time remote monitoring control method and system for vehicle |
| CN114596713B (en) * | 2022-05-09 | 2022-08-09 | 天津大学 | Real-time remote monitoring control method and system for vehicle |
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