CN105334066A - Method and device for evaluating comfort of automobile seat - Google Patents
Method and device for evaluating comfort of automobile seat Download PDFInfo
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- CN105334066A CN105334066A CN201510828180.7A CN201510828180A CN105334066A CN 105334066 A CN105334066 A CN 105334066A CN 201510828180 A CN201510828180 A CN 201510828180A CN 105334066 A CN105334066 A CN 105334066A
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Abstract
The invention provides a method and a device for evaluating the comfort of an automobile seat, wherein the method comprises the following steps: installing an automobile seat to be evaluated on the simulated driving platform, and placing a pressure sensor on the seat to be evaluated; acquiring body pressure distribution data of an evaluator, and allowing the evaluator to subjectively evaluate the comfort of the automobile seat; repeating the steps, measuring automobile seat comfort evaluation results of different evaluators and different types of seats, and establishing an automobile seat comfort database; establishing a seat comfort evaluation model by adopting a relevant mathematical method according to a seat comfort database; and measuring the body pressure distribution of the evaluators of the new seat, and obtaining the seat comfort evaluation result of the new seat through the seat comfort evaluation model. The device comprises: the device comprises a sensor placing module, an automobile seat adjusting module, an objectivity evaluating module, a subjectivity evaluating module and a comfort evaluating module. The method ensures that the evaluation working process of the comfort of the seat is clear and simple to operate, and the evaluation result is accurate and reliable.
Description
Technical field
The invention belongs to car comfort assessment technique field, especially relate to a kind of method and the device of evaluating Evaluations for Ride Comfort of Vehicle Seats.
Background technology
Along with the day by day universal of automobile consumption and people to riding comfort require more and more higher, the comfortableness problem that automobile is taken is more and more important, riding comfort effectively can promote the ride experience of occupant, make driver can obtain rationally comfortable vehicle driving posture in driving procedure, effectively can slow down the fatigue of driver, become one of problem of each large vehicle manufacturers of international automobile industry and parts enterprises concern gradually, wherein, automotive seat and various operating control, such as, the steering wheel of pilothouse, the design of pedal etc. determines the posture comfortableness of driver, thus, riding comfort mainly refers to Evaluations for Ride Comfort of Vehicle Seats.
Occupant is sitting in after on automotive seat, and the pressure distribution of occupant and seat surface of contact will affect the blood flow of occupant's buttocks, is the key factor affecting riding comfort.Wherein, the interaction in occupant and seat between cushion is the key factor determining this pressure distribution, and the sitting posture of interaction between occupant with cushion and seat framing structure, seat cushion material mechanical characteristic and occupant is relevant with muscle skeleton.Research shows, for the long-term driver driven, if automotive seat design is improper, driver is owing to can not obtain comfortable sitting posture, be easy to feel uncomfortable and tired, and then the pain in the back that driver may be caused long-term, and easily cause the fatigue driving of driver, thus may traffic hazard be caused.Therefore, promote Evaluations for Ride Comfort of Vehicle Seats, be reduce fatigue of automobile driver to drive, reduce an important method of traffic hazard.
Promote Evaluations for Ride Comfort of Vehicle Seats, first need to evaluate Evaluations for Ride Comfort of Vehicle Seats.In prior art, the method evaluating Evaluations for Ride Comfort of Vehicle Seats is mainly divided into subjective estimate method and objective evaluation.Wherein, subjective estimate method is the subjective psychology impression by the record such as survey, subjective scale car steering subject, and carries out classification, for determining comfortableness degree to these subjective psychology impressions in various degree.Objective evaluation be by the record human body behavior of car steering subject in driving procedure, physiological parameter and with human body related data, considered the comfort level degree of human body by data analysis.
The seat comfort evaluation method that Europe industry member is traditional mainly relies on carries out real train test to experienced subjective assessment expert.Record its objective evaluation index, such as, the subjective assessment of the pressure distribution of people-chair surface of contact and experimenter (subjective assessment expert), is as the criterion with the evaluation result of subjective assessment expert.But this subjective estimate method, evaluation result is comparatively large by the impact of subjective assessment expert personal experience, and the reliability that seat comfort is evaluated is lower, is unfavorable for popularization and the accumulation of design experiences, and need to carry out seat comfort evaluation by real vehicle mode, time-consuming and cost is higher.
Conventional objective evaluation comprises: pressure distribution evaluation assessment, human body myoelectricity test evaluation method, eeg analysis method, ecg analysis method, posture analysis method etc.The research of external academia shows, pressure distribution evaluation assessment is the objective factor of more directly reacting seat comfort, is widely used in seat comfort evaluation.
Domestic independent brand enterprise is when carrying out automotive seat new-product development, general also employing pressure distribution evaluation assessment, and adopt American-European evaluation method and standard to carry out the measurement of pressure distribution data, but the seat comfort Journal of Sex Research due to American-European countries is based on American-European crowd, in view of the difference that the aspects such as ethnic group, life style, eating habit exist, thus, American-European evaluation method and standard are obviously difficult to be directly used in East Asia crowd, if directly applied, the reliability evaluated causing seat comfort is lower, can not meet the requirement of East Asia crowd to seat comfort.
Summary of the invention
In view of this, the present invention is intended to propose a kind of method and the device of evaluating Evaluations for Ride Comfort of Vehicle Seats, to promote the reliability of seat Comfort Evaluation.
For achieving the above object, technical scheme of the present invention is achieved in that
Evaluate a method for Evaluations for Ride Comfort of Vehicle Seats, comprising:
Simulation driving platform is installed automotive seat to be evaluated, and the precalculated position placement force sensor of automotive seat to be evaluated installed;
According to the sign of the evaluation personnel of automotive seat to be evaluated of taking a seat, adjust the orientation of automotive seat to be evaluated;
Adjustment evaluation personnel attitude, obtains the pressure distribution data of evaluation personnel in driving procedure;
Obtain evaluation personnel according to the test evaluation table parameter pre-set to the comfortableness subjective evaluation result of automotive seat to be evaluated, obtain the Comfort Evaluation result of pressure distribution data-mapping corresponding to the sign of described evaluation personnel;
Record the Evaluations for Ride Comfort of Vehicle Seats evaluation result of different evaluation personnel, dissimilar seat, the pressure distribution data corresponding according to each sign of automotive seat to be evaluated and corresponding comfortableness subjective evaluation result, build the Evaluations for Ride Comfort of Vehicle Seats database being applicable to Chinese population;
Based on the Evaluations for Ride Comfort of Vehicle Seats database built, adopt relevant mathematical method, set up the Evaluations for Ride Comfort of Vehicle Seats evaluation model comprising the comfortableness subjective evaluation result of sign and pressure distribution data-mapping;
Obtain the pressure distribution data and sign of presetting automotive seat, input described Evaluations for Ride Comfort of Vehicle Seats evaluation model, obtain the Comfort Evaluation result of described default automotive seat.
Preferably, after the orientation of described adjustment automotive seat to be evaluated, before adjustment evaluation personnel attitude, described method comprises further:
Judge whether automotive seat to be evaluated is pilot set, if so, adjustment angle of steering tubular column.
Preferably, described method comprises further:
Complete the Comfort Evaluation to automotive seat to be evaluated, dismantle described automotive seat to be evaluated.
Preferably, described precalculated position comprises: seat cushion position, seat back positions and chair headrest position, and described sign comprises: height, build and body weight.
Preferably, described orientation comprises: automotive seat position to be evaluated and automotive seat attitude to be evaluated.
Preferably, described automotive seat position to be evaluated comprises: automotive seat front and back position to be evaluated, upper-lower position and right position, and described automotive seat attitude to be evaluated comprises automotive seat angle to be evaluated.
Preferably, after the pressure distribution data of described acquisition evaluation personnel in driving procedure, described method comprises further:
Anomalous body pressure distributed data in the pressure distribution data that filtering obtains.
Preferably, described pressure distribution data comprise: upper backside pressure distributed data, middle backside pressure distributed data, lumbar pressure distributed data, lower back portion pressure distribution data, side backside pressure distributed data, ischial tuberosity pressure distribution data, large midleg pressure distribution data, thigh forefront pressure distributed data, thigh side pressure distributed data, seat high pressure distributed data and the dark pressure distribution data of seat.
Evaluate a device for Evaluations for Ride Comfort of Vehicle Seats, comprising:
Simulation driving platform module, sensor placement module, automotive seat adjusting module, objectivity evaluation module, SUBJECTIVE module and Comfort Evaluation module, wherein,
Simulation driving platform module, for providing the installation site of automotive seat, and the driving environment of drive simulating person and space, this simulation driving platform module can carry out parameter adjustment according to different automobile types, adapts to the installation environment of different seat;
Sensor placement module, for installing automotive seat to be evaluated in simulation driving platform module, and the precalculated position placement force sensor of automotive seat to be evaluated installed;
Automotive seat adjusting module, for the sign of the evaluation personnel according to automotive seat to be evaluated of taking a seat, adjusts the orientation of automotive seat to be evaluated;
Objectivity evaluation module, for adjusting evaluation personnel attitude, obtains the pressure distribution data of evaluation personnel in driving procedure;
SUBJECTIVE module, for obtaining evaluation personnel according to the test evaluation table parameter pre-set to the comfortableness subjective evaluation result of automotive seat to be evaluated;
Comfort Evaluation module, the Comfort Evaluation result of the pressure distribution data-mapping that the sign for obtaining described evaluation personnel is corresponding.
Preferably, described objectivity evaluation module comprises: pose adjustment unit, pressure distribution data capture unit and objectivity evaluation unit, wherein,
Pose adjustment unit, for adjusting evaluation personnel attitude;
Pressure distribution data capture unit, after adjusting evaluation personnel attitude at pose adjustment unit, obtains the pressure distribution data of evaluation personnel in driving procedure;
Objectivity evaluation unit, for utilizing the analysis software pre-set, to pressure distribution data analysis, obtains the comfortableness objective evaluation result that the sign of described evaluation personnel is corresponding.
Preferably, described objectivity evaluation module comprises further:
Filtering unit, after carrying out filtering, exports objectivity evaluation unit to for the anomalous body pressure distributed data in the pressure distribution data that obtain pressure distribution data capture unit.
Preferably, described device comprises further:
Steering column adjusting module, for judging whether automotive seat to be evaluated is pilot set, if so, adjustment angle of steering tubular column.
Preferably, described device comprises further:
Dismounting module, for after completing the Comfort Evaluation to automotive seat to be evaluated, dismantles described automotive seat to be evaluated.
Preferably, described device comprises further:
Database module, evaluation model build module and input respond module, wherein,
Database module, the pressure distribution data corresponding for each sign according to automotive seat to be evaluated and corresponding comfortableness subjective evaluation result, build Evaluations for Ride Comfort of Vehicle Seats database;
Evaluation model builds module, for based on the Evaluations for Ride Comfort of Vehicle Seats database built, sets up the Evaluations for Ride Comfort of Vehicle Seats evaluation model comprising the comfortableness subjective evaluation result of sign and pressure distribution data-mapping;
Input respond module, for obtaining pressure distribution data and the sign of default automotive seat, inputting described Evaluations for Ride Comfort of Vehicle Seats evaluation model, obtaining the Comfort Evaluation result of described default automotive seat.
Relative to prior art, of the present invention a kind of evaluate Evaluations for Ride Comfort of Vehicle Seats method and device there is following advantage:
A kind of method and device evaluating Evaluations for Ride Comfort of Vehicle Seats of the present invention, subjective estimate method and objective evaluation are combined, by obtaining automotive seat pressure distribution data, simultaneously, in conjunction with the test evaluation table pre-set, subjectivity grading is carried out to automotive seat, build Evaluations for Ride Comfort of Vehicle Seats database and seat comfort evaluation model that one adapts to Chinese population, automotive seat pressure distribution data are preset again by obtaining, utilize the seat comfort evaluation model pre-set, directly can obtain the Comfort Evaluation result of default automotive seat, effectively can reduce the subjectivity of evaluation personnel, turn avoid the difficult problem that American-European objective evaluation can not directly apply to East Asia crowd, improve the reliability that seat comfort is evaluated.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of schematic flow sheet evaluating the method for Evaluations for Ride Comfort of Vehicle Seats described in the embodiment of the present invention;
Fig. 2 is a kind of structural representation evaluating the device of Evaluations for Ride Comfort of Vehicle Seats described in the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, a kind of method evaluating Evaluations for Ride Comfort of Vehicle Seats, comprising:
Step 101, simulation driving platform is installed automotive seat to be evaluated, and the precalculated position placement force sensor of automotive seat to be evaluated installed;
In this step, will the automotive seat to be evaluated of Evaluations for Ride Comfort of Vehicle Seats be used for, according to entire vehicle design state, be fixed on the simulation driving platform that pre-sets.
In the embodiment of the present invention, by arranging simulation driving platform, according to all kinds of car category, automotive seat to be evaluated can be fixed according to entire vehicle design state, thus without the need to carrying out real steering vectors, effectively can reduce Evaluations for Ride Comfort of Vehicle Seats and evaluating cost.Wherein, being known technology about arranging the simulation driving platform being applicable to all kinds of car category, omitting detailed description at this.
In the embodiment of the present invention, placement force sensor on automotive seat to be evaluated, in order to sensing body pressure data.As an embodiment, precalculated position comprises: seat cushion position, seat back positions and chair headrest position etc., the embodiment of the present invention can need to determine precalculated position according to actual evaluation, is not construed as limiting this.
Step 102, according to the sign of the evaluation personnel of automotive seat to be evaluated of taking a seat, adjusts the orientation of automotive seat to be evaluated;
In this step, when carrying out Evaluations for Ride Comfort of Vehicle Seats and evaluating, evaluation personnel take a seat to automotive seat to be evaluated (also can be called for short automotive seat), and according to evaluating the sign of personnel, such as, the height, build, body weight etc. of evaluation personnel, suitably the orientation of adjustment automotive seat feels comfortable to make evaluation personnel.
As an embodiment, orientation comprises: automotive seat position to be evaluated and automotive seat attitude to be evaluated, wherein, automotive seat position to be evaluated comprises: automotive seat front and back position to be evaluated, upper-lower position and right position, and automotive seat attitude to be evaluated comprises automotive seat angle to be evaluated etc.That is, the automotive seat to be evaluated of installation is a three-dimensional barbed chair, can realize the position adjustments of automotive seat to be evaluated on X, Y, Z axis direction, and, the tilt adjustment that motor vehicle seat back to be evaluated rotates around X, Y, Z axis direction.
Step 103, judges whether automotive seat to be evaluated is pilot set, if so, and adjustment angle of steering tubular column;
In this step, if evaluate pilot set, according to entire vehicle design state, adjustment steering column is to the proper angle pre-set;
If evaluate the seat of other positions, this step can be saved.
In the embodiment of the present invention, steering column is connected with steering wheel, forms three-dimensional adjustable steering wheel mechanism.
Step 104, adjustment evaluation personnel attitude, obtains the pressure distribution data of evaluation personnel in driving procedure;
In this step, according to comfortableness needs, evaluation personnel can adjust self attitude, find the position that comfortable.During test, evaluation personnel settle down with normal driving posture.
In this step, the pressure transducer placed by the precalculated position of automotive seat to be evaluated, the pressure distribution data of sensing evaluation personnel, pressure distribution data are different with the difference of sign.In practical application, the analysis software that the input of pressure distribution data can be pre-set is to analyze the pressure distribution data of pressure sensor senses, obtain the comfortableness objective evaluation result that the sign of this evaluation personnel is corresponding, the pressure distribution data that namely sign of this evaluation personnel is corresponding.
In the embodiment of the present invention, as an embodiment, the pressure distribution data of pressure sensor senses are received by computing machine, and pressure distribution data are inputed to the analysis software of startup by computing machine subsequently.
Pressure distribution data about analysis software pressure sensor senses are known technology, omit detailed description at this.
As an embodiment, in order to get rid of the impact of anomalous body pressure distributed data, after obtaining the pressure distribution data of evaluation personnel in driving procedure, the method can further include:
Anomalous body pressure distributed data in the pressure distribution data that filtering obtains.
As an embodiment, pressure distribution data comprise: upper backside pressure distributed data, middle backside pressure distributed data, lumbar pressure distributed data, lower back portion pressure distribution data, side backside pressure distributed data, ischial tuberosity pressure distribution data, large midleg pressure distribution data, thigh forefront pressure distributed data, thigh side pressure distributed data, seat high pressure distributed data and the dark pressure distribution data of seat etc.Like this, obtain the pressure distribution data of evaluation personnel in driving procedure, utilize the analysis software pre-set to analyze, the comfortableness objective evaluation result obtaining the sign of described evaluation personnel corresponding comprises:
Utilize the analysis software pre-set, respectively upper backside pressure distributed data, middle backside pressure distributed data, lumbar pressure distributed data, lower back portion pressure distribution data, side backside pressure distributed data, ischial tuberosity pressure distribution data, large midleg pressure distribution data, thigh forefront pressure distributed data, thigh side pressure distributed data, seat high pressure distributed data and the dark pressure distribution data of seat are analyzed, obtain corresponding local comfort objective evaluation result.
In the embodiment of the present invention, evaluation personnel can be one or more.Different evaluation personnel, for same automotive seat to be evaluated, can obtain the comfortableness objective evaluation result that different sign is corresponding.
Step 105, obtains evaluation personnel according to the test evaluation table parameter pre-set to the comfortableness subjective evaluation result of automotive seat to be evaluated;
Table 1
In this step, after test completes, evaluation personnel, according to the test evaluation table pre-set, carry out subjectivity grading to automotive seat to be evaluated.
In the embodiment of the present invention, as an embodiment, the parameter of test evaluation table comprises pressure distribution data, as shown in table 1.
In table 1, the evaluation content of test evaluation table also can upgrade according to actual needs, such as, and additions and deletions related content.Overall comfort is comfortableness subjective evaluation result, can be the weighting sum of each local comfort.
Step 106, according to the pressure distribution data obtained and comfortableness subjective evaluation result, obtains the Comfort Evaluation result of pressure distribution data-mapping corresponding to the sign of described evaluation personnel;
In this step, above back pressure distribution data instance, suppose that the sign of this evaluation personnel is body weight 70kg, height 170cm, the pressure distribution data at the upper back obtained are 20kPa, if the comfortableness subjective evaluation result of this evaluation personnel to upper back is as snug as a bug in a rug, then the Comfort Evaluation result of the pressure distribution data-mapping that the sign of described evaluation personnel is corresponding is as snug as a bug in a rug, if the comfortableness subjective evaluation result of this evaluation personnel to upper back is more uncomfortable, then the Comfort Evaluation result of the pressure distribution data-mapping that the sign of described evaluation personnel is corresponding is more uncomfortable.In the embodiment of the present invention, sign, pressure distribution data and Comfort Evaluation result have mapping relations.
Step 107, completes the Comfort Evaluation to automotive seat to be evaluated, dismantles described automotive seat to be evaluated;
In this step, when after the Comfort Evaluation completing an automotive seat to be evaluated, dismantle this automotive seat to be evaluated.
In practical application, by repeating above-mentioned steps 101 to step 106, with the comfortableness subjective evaluation result of the pressure distribution data and the personnel of evaluation of collecting the automotive seat of a large amount of different stage.Or, complete the Comfort Evaluation of an automotive seat to be evaluated evaluation personnel after, be replaced by another evaluation personnel or multiple evaluation personnel, successively Comfort Evaluation is carried out to described automotive seat to be evaluated, and summation is weighted to Comfort Evaluation result, and as the weighting Comfort Evaluation of this automotive seat to be evaluated, the Comfort Evaluation result that namely sign of described evaluation personnel is corresponding, or, the Comfort Evaluation result that automotive seat to be evaluated is corresponding.
Step 108, the pressure distribution data that each sign according to automotive seat to be evaluated is corresponding and corresponding comfortableness subjective evaluation result, build the Evaluations for Ride Comfort of Vehicle Seats database being applicable to Chinese population;
In this step, Analysis and Screening is carried out to the test evaluation table parameter that the data recorded and evaluation personnel are filled in, after rejecting irrational singular value, according to automotive seat type, each evaluation personnel sign etc., related data is stored to Evaluations for Ride Comfort of Vehicle Seats database, thus sets up the Evaluations for Ride Comfort of Vehicle Seats database adapting to China (East Asia) crowd.Certainly, in practical application, also can according to pressure distribution data corresponding to each sign of automotive seat to be evaluated, build Evaluations for Ride Comfort of Vehicle Seats database, like this, in the Evaluations for Ride Comfort of Vehicle Seats database built, comprise the parameters such as automotive seat type, sign and pressure distribution data, between three's parameter, form mapping relations.Such as, for the automotive seat type in Evaluations for Ride Comfort of Vehicle Seats database, the pressure distribution data that multiple sign maps respectively can be comprised.
For example, still above back pressure distribution data instance, suppose have 100 signs evaluating personnel to be that body weight 70kg is upper and lower, height 170cm is upper and lower, the pressure distribution data at the upper back obtained are 20kPa to 60kPa, wherein, 80 evaluation personnel are when upper back pressure distribution data are 20kPa to 30kPa, be as snug as a bug in a rug to the comfortableness subjective evaluation result at upper back, 10 evaluation personnel are when upper back pressure distribution data are 30kPa to 40kPa, be generally comfortable to the comfortableness subjective evaluation result at upper back, 8 evaluation personnel are when upper back pressure distribution data are 40kPa to 50kPa, be more uncomfortable to the comfortableness subjective evaluation result at upper back, 2 evaluation personnel are when upper back pressure distribution data are 50kPa to 60kPa, be very uncomfortable to the comfortableness subjective evaluation result at upper back, then in the Evaluations for Ride Comfort of Vehicle Seats database built, store above-mentioned information.
Step 109, based on the Evaluations for Ride Comfort of Vehicle Seats database built, sets up the Evaluations for Ride Comfort of Vehicle Seats evaluation model comprising the comfortableness subjective evaluation result of sign and pressure distribution data-mapping;
In this step, based on Evaluations for Ride Comfort of Vehicle Seats database, utilize the analysis software pre-set, find pressure distribution data, contacting between sign and seat comfort, analysis software adopts relevant mathematical method, as genetic algorithm or modal identification algorithm etc., set up Evaluations for Ride Comfort of Vehicle Seats evaluation model, such as, for above-mentioned example, upper and lower at body weight 70kg, height 170cm is upper and lower, when upper back pressure distribution data, if upper back pressure distribution data are 20kPa to 30kPa, comfortableness (subjectivity) evaluation result is as snug as a bug in a rug, if upper back pressure distribution data are 30kPa to 40kPa, comfortableness subjective evaluation result is generally comfortable, if upper back pressure distribution data are 40kPa to 50kPa, comfortableness subjective evaluation result is more uncomfortable, if upper back pressure distribution data are 50kPa to 60kPa, comfortableness subjective evaluation result is very uncomfortable.In the Evaluations for Ride Comfort of Vehicle Seats evaluation model built, input data are: the parameters such as automotive seat type, sign and pressure distribution data, output data are: automotive seat type, sign and Comfort Evaluation result, this Comfort Evaluation result is Comfort Evaluation result corresponding to automotive seat type, or, the Comfort Evaluation result that sign is corresponding.Certainly, in practical application, exporting data also can be: automotive seat type and Comfort Evaluation result, and this Comfort Evaluation result is Comfort Evaluation result corresponding to automotive seat type.
Step 110, obtains the pressure distribution data and sign of presetting automotive seat, inputs described Evaluations for Ride Comfort of Vehicle Seats evaluation model, obtain the Comfort Evaluation result of described default automotive seat.
In this step, by performing above-mentioned steps 101 to step 104, pressure distribution data and the sign of default automotive seat can be obtained, by these data input Evaluations for Ride Comfort of Vehicle Seats evaluation model, the Comfort Evaluation result of this default automotive seat can be exported by autonomous driving vehicle seat comfort evaluation model.Thus can data sharing be realized, promote Evaluations for Ride Comfort of Vehicle Seats assess effectiveness.Such as, for above-mentioned example, if a certain valuation officer body weight 72kg, height 172cm, in the upper back test of this automotive seat type, the upper back pressure distribution data obtained are 32kPa, then by after these data input Evaluations for Ride Comfort of Vehicle Seats evaluation model, the Comfort Evaluation result of this default automotive seat is exported for generally comfortable by autonomous driving vehicle seat comfort evaluation model, without the need to being given a mark according to the evaluation content of test evaluation table by user again, and then calculate, effectively can promote testing efficiency.
From above-mentioned, the method of the evaluation Evaluations for Ride Comfort of Vehicle Seats of the embodiment of the present invention, subjective estimate method and objective evaluation are combined, by obtaining automotive seat pressure distribution data, build Evaluations for Ride Comfort of Vehicle Seats database and seat comfort evaluation model that one adapts to Chinese population, automotive seat pressure distribution data are preset again by obtaining, utilize the seat comfort evaluation model pre-set, directly can obtain the Comfort Evaluation result of default automotive seat, simultaneously, the test evaluation table pre-set is utilized to carry out subjectivity grading to automotive seat, subjective grading is made more to be tending towards objective, effectively can reduce the subjectivity of evaluation personnel.Thus both avoided the drawback of subjective estimate method heavy dependence subjective assessment expert, turn avoid the difficult problem that American-European evaluation method and standard are difficult to be directly used in East Asia crowd, improve the reliability that seat comfort is evaluated.The method is simple and easy to use, is used to guide comfortableness optimal design, can reduce number of times automotive seat material object being carried out to design iterations, reduce cost of development.
As shown in Figure 2, a kind of device evaluating Evaluations for Ride Comfort of Vehicle Seats comprises:
Sensor placement module 201, automotive seat adjusting module 202, objectivity evaluation module 203, SUBJECTIVE module 204 and Comfort Evaluation module 205, wherein,
Sensor placement module 201, for installing automotive seat to be evaluated on simulation driving platform, and the precalculated position placement force sensor of automotive seat to be evaluated installed;
In the embodiment of the present invention, simulation driving platform is a three-dimensional adjustable pilothouse analog platform, position and all adjustable three-dimensional adjustable automobile seat, three-dimensional adjustable steering wheel and the three-dimensional adjustable pedal of angle can be comprised, thus may be used for the dissimilar automotive seat of simulation and dissimilar configuration of automobiles, the difference meeting different evaluation personnel drives appearance operation.
As an embodiment, precalculated position comprises: seat cushion position, seat back positions and chair headrest position etc., the embodiment of the present invention can need to determine precalculated position according to actual evaluation, is not construed as limiting this.
In the embodiment of the present invention, the pressure distribution data of pressure sensor senses are received by computing machine, and pressure distribution data are inputed to the analysis software of startup by computing machine subsequently.
Automotive seat adjusting module 202, for the sign of the evaluation personnel according to automotive seat to be evaluated of taking a seat, adjusts the orientation of automotive seat to be evaluated;
In the embodiment of the present invention, evaluation personnel can be one or more.Sign includes but not limited to: height, build, body weight etc.
Orientation comprises: automotive seat position to be evaluated and automotive seat attitude to be evaluated, wherein, automotive seat position to be evaluated comprises: automotive seat front and back position to be evaluated, upper-lower position and right position, and automotive seat attitude to be evaluated comprises automotive seat angle to be evaluated etc.
Objectivity evaluation module 203, for adjusting evaluation personnel attitude, obtains the pressure distribution data of evaluation personnel in driving procedure;
In the embodiment of the present invention, pressure distribution data comprise: upper backside pressure distributed data, middle backside pressure distributed data, lumbar pressure distributed data, lower back portion pressure distribution data, side backside pressure distributed data, ischial tuberosity pressure distribution data, large midleg pressure distribution data, thigh forefront pressure distributed data, thigh side pressure distributed data, seat high pressure distributed data and the dark pressure distribution data of seat etc.
As an embodiment, objectivity evaluation module 203 comprises: pose adjustment unit, pressure distribution data capture unit and objectivity evaluation unit (not shown), wherein,
Pose adjustment unit, for adjusting evaluation personnel attitude;
Pressure distribution data capture unit, after adjusting evaluation personnel attitude at pose adjustment unit, obtains the pressure distribution data of evaluation personnel in driving procedure;
Objectivity evaluation unit, for utilizing the analysis software pre-set, to pressure distribution data analysis, obtains the comfortableness objective evaluation result that the sign of described evaluation personnel is corresponding.
In the embodiment of the present invention, objectivity evaluation unit utilizes the analysis software pre-set, respectively upper backside pressure distributed data, middle backside pressure distributed data, lumbar pressure distributed data, lower back portion pressure distribution data, side backside pressure distributed data, ischial tuberosity pressure distribution data, large midleg pressure distribution data, thigh forefront pressure distributed data, thigh side pressure distributed data, seat high pressure distributed data and the dark pressure distribution data of seat are analyzed, obtain corresponding local comfort objective evaluation result.
As an embodiment, objectivity evaluation module 203 can further include:
Filtering unit, after carrying out filtering, exports objectivity evaluation unit to for the anomalous body pressure distributed data in the pressure distribution data that obtain pressure distribution data capture unit.
SUBJECTIVE module 204, for obtaining evaluation personnel according to the test evaluation table parameter pre-set to the comfortableness subjective evaluation result of automotive seat to be evaluated;
In the embodiment of the present invention, the evaluation content of test evaluation table is identical with the content that pressure distribution packet contains, i.e. corresponding upper back pressure distribution data, and the evaluation content of test evaluation table is upper back Comfort Evaluation.
Comfort Evaluation module 205, the Comfort Evaluation result of the pressure distribution data-mapping that the sign for obtaining described evaluation personnel is corresponding;
In the embodiment of the present invention, the comfortableness subjective evaluation result that the comfortableness objective evaluation result that Comfort Evaluation module 205 also can utilize automotive seat to be evaluated corresponding is corresponding with automotive seat to be evaluated, obtains the Comfort Evaluation result that automotive seat to be evaluated is corresponding.
As an embodiment, this device can further include:
Steering column adjusting module 206, for judging whether automotive seat to be evaluated is pilot set, if so, adjustment angle of steering tubular column;
As another embodiment, this device can further include:
Dismounting module 207, for after completing the Comfort Evaluation to automotive seat to be evaluated, dismantles described automotive seat to be evaluated.
As an embodiment again, this device can further include: database module 208, evaluation model build module 209 and input respond module 210, wherein,
Database module 208, the pressure distribution data corresponding for each sign according to automotive seat to be evaluated and corresponding comfortableness subjective evaluation result, build Evaluations for Ride Comfort of Vehicle Seats database;
Evaluation model builds module 209, for based on the Evaluations for Ride Comfort of Vehicle Seats database built, sets up the Evaluations for Ride Comfort of Vehicle Seats evaluation model comprising the comfortableness subjective evaluation result of sign and pressure distribution data-mapping;
In the embodiment of the present invention, in the Evaluations for Ride Comfort of Vehicle Seats evaluation model built, input data are: the parameters such as automotive seat type, sign and pressure distribution data, output data are: automotive seat type, sign and Comfort Evaluation result, this Comfort Evaluation result is Comfort Evaluation result corresponding to automotive seat type, or, the Comfort Evaluation result that sign is corresponding.Certainly, in practical application, exporting data also can be: automotive seat type and Comfort Evaluation result, and this Comfort Evaluation result is Comfort Evaluation result corresponding to automotive seat type.
Input respond module 210, for obtaining pressure distribution data and the sign of default automotive seat, inputting described Evaluations for Ride Comfort of Vehicle Seats evaluation model, obtaining the Comfort Evaluation result of described default automotive seat.
As another embodiment, this device can further include:
Simulation driving platform module 211, for providing the installation site of automotive seat, and the driving environment of drive simulating person and space, this simulation driving platform module can carry out parameter adjustment according to different automobile types, adapts to the installation environment of different seat.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. evaluate a method for Evaluations for Ride Comfort of Vehicle Seats, it is characterized in that: comprise,
Simulation driving platform is installed automotive seat to be evaluated, and the precalculated position placement force sensor of automotive seat to be evaluated installed;
According to the sign of the evaluation personnel of automotive seat to be evaluated of taking a seat, adjust the orientation of automotive seat to be evaluated;
Adjustment evaluation personnel attitude, obtains the pressure distribution data of evaluation personnel in driving procedure;
Obtain evaluation personnel according to the test evaluation table parameter pre-set to the comfortableness subjective evaluation result of automotive seat to be evaluated, obtain the Comfort Evaluation result of pressure distribution data-mapping corresponding to the sign of described evaluation personnel;
Record the Evaluations for Ride Comfort of Vehicle Seats evaluation result of different evaluation personnel, dissimilar seat, the pressure distribution data corresponding according to each sign of automotive seat to be evaluated and corresponding comfortableness subjective evaluation result, build the Evaluations for Ride Comfort of Vehicle Seats database being applicable to Chinese population;
Based on the Evaluations for Ride Comfort of Vehicle Seats database built, adopt relevant mathematical method, set up the Evaluations for Ride Comfort of Vehicle Seats evaluation model comprising the comfortableness subjective evaluation result of sign and pressure distribution data-mapping;
Obtain the pressure distribution data and sign of presetting automotive seat, input described Evaluations for Ride Comfort of Vehicle Seats evaluation model, described in automatic acquisition, preset the Comfort Evaluation result of automotive seat.
2. a kind of method evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 1, it is characterized in that: after the orientation of described adjustment automotive seat to be evaluated, before adjustment evaluation personnel attitude, comprise further and judge whether automotive seat to be evaluated is pilot set, if so, angle of steering tubular column is adjusted.
3. a kind of method evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 1, is characterized in that: comprised the Comfort Evaluation to automotive seat to be evaluated further, dismantles described automotive seat to be evaluated.
4. a kind of method evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 1, it is characterized in that: described precalculated position comprises: seat cushion position, seat back positions and chair headrest position, described sign comprises: height, build and body weight.
5. a kind of method evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 1, is characterized in that: described orientation comprises: automotive seat position to be evaluated and automotive seat attitude to be evaluated.
6. a kind of method evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 5, it is characterized in that: described automotive seat position to be evaluated comprises: automotive seat front and back position to be evaluated, upper-lower position and right position, described automotive seat attitude to be evaluated comprises automotive seat angle to be evaluated.
7. a kind of method evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 1, it is characterized in that: after the pressure distribution data of described acquisition evaluation personnel in driving procedure, comprise further: the anomalous body pressure distributed data in the pressure distribution data that filtering obtains.
8. a kind of method evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 1, is characterized in that: described pressure distribution data comprise: upper backside pressure distributed data, middle backside pressure distributed data, lumbar pressure distributed data, lower back portion pressure distribution data, side backside pressure distributed data, ischial tuberosity pressure distribution data, large midleg pressure distribution data, thigh forefront pressure distributed data, thigh side pressure distributed data, seat high pressure distributed data and the dark pressure distribution data of seat.
9. evaluate a device for Evaluations for Ride Comfort of Vehicle Seats, it is characterized in that: comprise sensor placement module, automotive seat adjusting module, objectivity evaluation module, SUBJECTIVE module and Comfort Evaluation module, wherein,
Sensor placement module, for installing automotive seat to be evaluated on simulation driving platform, and the precalculated position placement force sensor of automotive seat to be evaluated installed;
Automotive seat adjusting module, for the sign of the evaluation personnel according to automotive seat to be evaluated of taking a seat, adjusts the orientation of automotive seat to be evaluated;
Objectivity evaluation module, for adjusting evaluation personnel attitude, obtains the pressure distribution data of evaluation personnel in driving procedure;
SUBJECTIVE module, for obtaining evaluation personnel according to the test evaluation table parameter pre-set to the comfortableness subjective evaluation result of automotive seat to be evaluated;
Comfort Evaluation module, the Comfort Evaluation result of the pressure distribution data-mapping that the sign for obtaining described evaluation personnel is corresponding.
10. a kind of device evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 9, is characterized in that: described objectivity evaluation module comprises: pose adjustment unit, pressure distribution data capture unit and objectivity evaluation unit, wherein,
Pose adjustment unit, for adjusting evaluation personnel attitude;
Pressure distribution data capture unit, after adjusting evaluation personnel attitude at pose adjustment unit, obtains the pressure distribution data of evaluation personnel in driving procedure;
Objectivity evaluation unit, for utilizing the analysis software pre-set, to pressure distribution data analysis, obtains the comfortableness objective evaluation result that the sign of described evaluation personnel is corresponding.
11. a kind of devices evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 10, is characterized in that: described objectivity evaluation module comprises further:
Filtering unit, after carrying out filtering, exports objectivity evaluation unit to for the anomalous body pressure distributed data in the pressure distribution data that obtain pressure distribution data capture unit.
12. a kind of devices evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 9-11 any one, it is characterized in that: comprise steering column adjusting module further, for judging whether automotive seat to be evaluated is pilot set, if so, angle of steering tubular column is adjusted.
13. a kind of devices evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 9-11 any one, is characterized in that: comprise dismounting module further, for after completing the Comfort Evaluation to automotive seat to be evaluated, dismantle described automotive seat to be evaluated.
14. a kind of devices evaluating Evaluations for Ride Comfort of Vehicle Seats according to claim 9-11 any one, is characterized in that: comprise database module further, evaluation model builds module and input respond module, wherein,
Database module, the pressure distribution data corresponding for each sign according to automotive seat to be evaluated and corresponding comfortableness subjective evaluation result, build Evaluations for Ride Comfort of Vehicle Seats database;
Evaluation model builds module, for based on the Evaluations for Ride Comfort of Vehicle Seats database built, sets up the Evaluations for Ride Comfort of Vehicle Seats evaluation model comprising the comfortableness subjective evaluation result of sign and pressure distribution data-mapping;
Input respond module, for obtaining pressure distribution data and the sign of default automotive seat, inputting described Evaluations for Ride Comfort of Vehicle Seats evaluation model, obtaining the Comfort Evaluation result of described default automotive seat.
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