CN104653308B - Calibration method and calibration device for gasoline-hydrogen fueled engine - Google Patents

Calibration method and calibration device for gasoline-hydrogen fueled engine Download PDF

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CN104653308B
CN104653308B CN201310589833.1A CN201310589833A CN104653308B CN 104653308 B CN104653308 B CN 104653308B CN 201310589833 A CN201310589833 A CN 201310589833A CN 104653308 B CN104653308 B CN 104653308B
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calibrated
fuel ratio
electromotor
rotating speed
equivalent air
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CN104653308A (en
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程明明
何鹏
姚伟
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BYD Co Ltd
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BYD Co Ltd
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Abstract

The invention discloses a calibration method and calibration device for a gasoline-hydrogen fueled engine. The calibration method comprises the following steps: obtaining to-be-calibrated rotation speed and to-be-calibrated gas inlet pressure of the engine; if the rotation speed range of the to-be-calibrated rotation speed is a first rotation speed range, calibrating the working state under the to-be-calibrated rotation speed and the to-be-calibrated gas inlet pressure according to a first calibration rule; if the to-be-calibrated rotation speed belongs to a second rotation speed range, judging the pressure range of the to-be-calibrated gas inlet pressure; if the to-be-calibrated gas inlet pressure belongs to the first pressure range, calibrating the engine under the working state according to the first calibrating rule; if the to-be-calibrated gas inlet pressure belongs to a second pressure range, calibrating the engine under the working state according to the second calibrating rule. The calibration method for the gasoline-hydrogen fueled engine can greatly improve the exhaustion of the gasoline-hydrogen fueled engine relative to the exhaustion of the same-displacement gasoline engine, so that the exhaustion requirements of national locomotive can be satisfied, and the engine reaches the best dynamic property and economical efficiency.

Description

The scaling method of gasoline hydrogen loading electromotor and device
Technical field
The present invention relates to engine calibration method field, particularly to a kind of scaling method of gasoline hydrogen loading electromotor and dress Put.
Background technology
Because hydrogen has the features such as quenching distance is short, and flame propagation speed, emission performance are good, diffusivity is strong, because This, when the fuel combination that hydrogen and other fuel are mixed according to a certain percentage is as the fuel of electromotor, burning velocity The gaseous mixture of higher, fuel and air is more uniform, and can more fully burn.At present, hydrogen gasoline has occurred Dual fuel engine, in startup and the idling of such electromotor, only using hydrogen as engine fuel；When admission pressure increases When, keep adding the mass conservation of hydrogen fuel to electromotor, be gradually increased quality of gasoline.Above-mentioned hydrogen gasoline double fuel is sent out When using hydrogen gasoline double fuel, the specific fuel consumption of electromotor can reduce by 30% about to motivation, and works as WOT When electromotor have the higher thermal efficiency in the range of whole admission pressure.
But, the research at this stage hydrogen gasoline dual fuel engine being carried out, simply by simple test method pin The combustion characteristics of hydrogen loading electromotor is studied, qualitatively to analyze hydrogen to petrolic impact, not to vapour Oily hydrogen loading electromotor carried out demarcation, so that the optimal dynamic property of electromotor difficult to reach and economy.
Content of the invention
It is contemplated that at least solving above-mentioned technical problem to a certain extent.
For this reason, the first of the present invention purpose is to propose a kind of scaling method of gasoline hydrogen loading electromotor, the method can The jet pulsewidth under the conditions of each operating mode (rotating speed, admission pressure) with Accurate Calibration electromotor, equivalent air-fuel ratio and electronic spark advance Angle, thus improve dynamic property and the economy of electromotor.
Second object of the present invention is to propose a kind of caliberating device of gasoline hydrogen loading electromotor.
For reaching above-mentioned purpose, embodiment proposes a kind of demarcation side of gasoline hydrogen loading electromotor according to a first aspect of the present invention Method, comprising: a, the rotating speed to be calibrated obtaining electromotor and admission pressure to be calibrated, and judge turning belonging to described rotating speed to be calibrated Fast scope；If the described rotating speed to be calibrated of b belongs to first range of speeds, demarcate rule according to first and demarcate described electromotor Jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle；C, such as Really described rotating speed to be calibrated belongs to second range of speeds, then determine whether the pressure model belonging to described admission pressure to be calibrated Enclose；If the described admission pressure to be calibrated of d belongs to first pressure scope, demarcate rule according to first and demarcate described electromotor Jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle；And If the described admission pressure to be calibrated of e belongs to second pressure scope, demarcate rule according to second and demarcate described electromotor in institute State jet pulsewidth under rotating speed to be calibrated and described admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle.
The scaling method of gasoline hydrogen loading electromotor according to embodiments of the present invention, according to rotating speed to be calibrated and air inlet to be calibrated The affiliated different rotating speeds scope of pressure and pressure limit, using different rules of demarcating to the jet pulsewidth of electromotor, equivalent Air-fuel ratio and ignition advance angle are demarcated, can ensure to make the dynamic property of gasoline hydrogen loading electromotor and economy simultaneously so as to Obtain larger improving with respect to the petrolic discharge of same discharge capacity such that it is able to meet country, the discharge of motor vehicles to be wanted Ask, lift Consumer's Experience.
Second aspect present invention embodiment provides a kind of caliberating device of gasoline hydrogen loading electromotor, comprising: acquisition module, For obtaining the rotating speed to be calibrated of electromotor and admission pressure to be calibrated；First judge module, for judging described to be calibrated turn The range of speeds belonging to speed；First demarcating module, for when described rotating speed to be calibrated belongs to first range of speeds, according to first Demarcate rule and demarcate jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated for the described electromotor, equivalent sky Combustion ratio and ignition advance angle；Second judge module, for when described rotating speed to be calibrated belongs to second range of speeds, sentencing further The pressure limit broken belonging to described admission pressure to be calibrated；And second demarcating module, for when described admission pressure to be calibrated When belonging to second pressure scope, demarcate rule according to second and demarcate described electromotor in described rotating speed to be calibrated and described to be calibrated Jet pulsewidth under admission pressure, equivalent air-fuel ratio and ignition advance angle；Described first demarcating module is additionally operable to described to wait to mark When determining admission pressure and belonging to first pressure scope, according to first demarcate rule demarcate described electromotor in described rotating speed to be calibrated and Jet pulsewidth under described admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle.
The caliberating device of gasoline hydrogen loading electromotor according to embodiments of the present invention, according to rotating speed to be calibrated and air inlet to be calibrated The affiliated different rotating speeds scope of pressure and pressure limit, using different rules of demarcating to the jet pulsewidth of electromotor, equivalent Air-fuel ratio and ignition advance angle are demarcated, can ensure to make the dynamic property of gasoline hydrogen loading electromotor and economy simultaneously so as to Obtain larger improving with respect to the petrolic discharge of same discharge capacity such that it is able to meet country, the discharge of motor vehicles to be wanted Ask, lift Consumer's Experience.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below Substantially and easy to understand, wherein:
Fig. 1 is the flow chart of the scaling method of the gasoline hydrogen loading electromotor according to one embodiment of the invention；
Fig. 2 is to demarcate rule demarcation electromotor according to one embodiment of the invention according to first in rotating speed to be calibrated and to treat The flow chart demarcating the jet pulsewidth, equivalent air-fuel ratio and ignition advance angle method under admission pressure；
Fig. 3 is to demarcate rule demarcation electromotor according to one embodiment of the invention according to second in rotating speed to be calibrated and to treat The flow chart demarcating the jet pulsewidth, equivalent air-fuel ratio and ignition advance angle method under admission pressure；
Fig. 4 is the flow chart of the scaling method of the gasoline hydrogen loading electromotor according to another embodiment of the present invention；
Fig. 5 is the control system schematic diagram of the gasoline hydrogen loading electromotor according to one embodiment of the invention；
Fig. 6 is the structural representation of the caliberating device of the gasoline hydrogen loading electromotor according to one embodiment of the invention；
Fig. 7 is the structural representation of the caliberating device of the gasoline hydrogen loading electromotor according to another embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score, The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark Show the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right The restriction of the present invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint are relative Importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Below with reference to the accompanying drawings the scaling method of gasoline hydrogen loading electromotor according to embodiments of the present invention and caliberating device are described.
It should be appreciated that in an embodiment of the present invention, in electromotor, the mode of entrance of hydrogen is naturally aspirated.
For making electromotor reach optimal dynamic property and economy, the present invention proposes a kind of demarcation of gasoline hydrogen loading electromotor Method.Fig. 1 is the flow chart of the scaling method of the gasoline hydrogen loading electromotor according to one embodiment of the invention.
As shown in figure 1, the scaling method of gasoline hydrogen loading electromotor according to embodiments of the present invention, comprise the following steps:
S101, obtains the rotating speed to be calibrated of electromotor and admission pressure to be calibrated.
S102, judges the range of speeds belonging to rotating speed to be calibrated.
In an embodiment of the present invention, can be according to electromotor in the course of the work with economic performance for advocating peace with power performance Based on delimiting the range of speeds.For example, if the maximum speed of electromotor is nmax, then engine speed n is more than nmax* 70% range of speeds is first range of speeds, and engine speed n is not more than nmax* range of speeds when 70% is the second scope.
S103, if rotating speed to be calibrated belongs to first range of speeds, demarcates rule demarcation electromotor according to first and is treating Jet pulsewidth under rated engine speed and admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle.
In one embodiment of the invention, if rotating speed n to be calibrated is more than nmax* 70%, can be by side as shown in Figure 2 Method is demarcated rule according to first and is demarcated jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel Than and ignition advance angle, specifically, comprise the following steps:
S201, obtains electromotor in the working condition being in rotating speed to be calibrated and admission pressure to be calibrated, and gasoline is not mixed Raw torque during hydrogen.
S202, is in rotating speed to be calibrated and the working condition of admission pressure to be calibrated in electromotor, adjustment electromotor Jet pulsewidth, and obtain different jet pulsewidths corresponding multiple equivalent air-fuel ratios respectively.
Wherein, equivalent air-fuel ratio is the ratio of actual mixing ratio and chemically correct fuel.In an embodiment of the present invention, sending out Motivation is under rotating speed to be calibrated and the working condition of admission pressure to be calibrated, makes rotating speed to be calibrated keep one by dynamometer machine Fixed, make admission pressure to be calibrated keep the jet pulsewidth necessarily then adjusting electromotor to carry out by adjusting throttle opening Demarcate.Specifically, first maximum spout gaseous pulse width can be obtained according to rotating speed to be calibrated, then according to default step-length is from default initial spray Gaseous pulse width starts to increase the jet pulsewidth of electromotor, until jet pulsewidth reaches maximum spout gaseous pulse width.Wherein, preset initial jet Pulsewidth and default step-length can be preset by user or system.
In one embodiment of the invention, maximum spout gaseous pulse width can be obtained according to the half-turn cycle under rotating speed to be calibrated qmax.First, the half-turn cycle t under rotating speed to be calibrated can be calculated according to below equation:
T=(60/n/2) * 1000, wherein, n is rotating speed to be calibrated,
Half-turn cycle t is rounded downwards and obtains maximum spout gaseous pulse width qmax.For example, work as n=1400rpm When (revolutions perminute, per minute turn of the number of turns), half-turn cycle t=(60/1400/2) * 1000=21.4ms(milli Second, unit of time), then maximum spout gaseous pulse width qmax=21ms.If presetting initial jet pulsewidth q1For 1ms, default step-length is 0.5ms, then second jet pulsewidth q2For 1.5ms, third time jet pulsewidth q3For 2ms, the rest may be inferred, until maximum spout gaseous pulse Wide qmax.Wherein, jet pulsewidth can be controlled by ECU, be changed according to default step-length.
In one embodiment of the invention, for each jet pulsewidth, equivalent air-fuel ratio can be controlled by ECU Change, and pass through equivalent Air/Fuel ratio analysis instrument Synchronization Analysis excess air coefficient in equivalent air-fuel ratio in change procedure, serve as When amount air coefficient meets preset requirement, the current equivalent air-fuel ratio of record ECU.For example, when jet pulsewidth q1 During for 1ms, equivalent air-fuel ratio is controlled by ECU, when the excess air coefficient that Air/Fuel ratio analysis instrument shows meets default wanting Ask, that is, during excess air coefficient lambda=1, record current equivalent air-fuel ratio λ1；When jet pulsewidth q2During for 1.5ms, pass through ECU controls equivalent air-fuel ratio, makes the excess air coefficient lambda=1 that Air/Fuel ratio analysis instrument shows, that is, meet default wanting Ask, record current equivalent air-fuel ratio λ2；When jet pulsewidth q3During for 2ms, equivalent air-fuel ratio is controlled by ECU, makes sky Fire the excess air coefficient lambda=1 showing than analyser, that is, meet preset requirement, record current equivalent air-fuel ratio λ3；According to This analogizes, until maximum spout gaseous pulse width qmaxWhen, record current equivalent air-fuel ratio λmax.
S203, obtains minimum ignition advance angle mbt with multiple equivalent air-fuel ratios corresponding multiple peak torques of difference, and Record distinguishes corresponding multiple specific fuel consumptions with multiple moments of torsion of multiple mbt corresponding electromotor of difference with multiple moments of torsion.
In an embodiment of the present invention, on the basis of the demarcation of equivalent air-fuel ratio, electronic spark advance is controlled by ECU Angle so as to close to peak torque minimum ignition advance angle mbt, and record the moment of torsion under present case and specific fuel consumption.Citing comes Say, equivalent air-fuel ratio is λ1When, ignition advance angle is controlled so as to the minimum ignition close to peak torque shifts to an earlier date by ECU Angle mbt1, obtain current ignition advance angle s1, and record ignition advance angle s1When moment of torsion n1With corresponding specific fuel consumption be1；When Amount air-fuel ratio is λ2When, ignition advance angle is controlled by ECU so as to minimum ignition advance angle close to peak torque mbt2, obtain current ignition advance angle s2, and record ignition advance angle s2When moment of torsion n2With corresponding specific fuel consumption be2；According to this Analogize, until equivalent air-fuel ratio is λmaxWhen, record ignition advance angle smaxWhen moment of torsion nmaxWith corresponding specific fuel consumption bemax.
S204, sets up the first specific fuel consumption function according to raw torque, multiple moment of torsion and multiple specific fuel consumption, and according to the first ratio Oil consumption function obtains optimum specific fuel consumption.
In one embodiment of the invention, can be first according to original torsion n0Square obtains torque threshold, then obtains multiple It is not less than multiple moments of torsion of torque threshold in moment of torsion, and obtain the corresponding multiple ratios of multiple moments of torsion not less than torque threshold respectively Oil consumption, and set up the first specific fuel consumption function according to not less than the corresponding multiple specific fuel consumptions of multiple moments of torsion of torque threshold.Wherein, turn round Square threshold value may be set to 0.95*n0, and then, can according to not less than 0.95*n0The corresponding multiple specific fuel consumptions of multiple moments of torsion set up First specific fuel consumption function, and obtain the slope of the corresponding function curve of each specific fuel consumption respectively according to the first specific fuel consumption function, so Obtain minimum slope in slope afterwards, and using corresponding for minimum slope specific fuel consumption as optimum specific fuel consumption.
S205, the optimum specific fuel consumption corresponding jet pulsewidth of record and this jet pulsewidth corresponding equivalent air-fuel ratio and igniting Advance angle, and using this jet pulsewidth and its corresponding equivalent air-fuel ratio and ignition advance angle as optimum jet pulsewidth, Excellent equivalent air-fuel ratio and optimum ignition advance angle.
In an embodiment of the present invention, in the optimum of the electromotor obtaining under rotating speed to be calibrated and admission pressure to be calibrated After specific fuel consumption, recordable optimum specific fuel consumption corresponding jet pulsewidth and this jet pulsewidth corresponding optimum ignition advance angle, Optimum equivalent air-fuel ratio, and by record optimum specific fuel consumption corresponding jet pulsewidth and this corresponding electronic spark advance of jet pulsewidth Angle, equivalent air-fuel ratio are respectively as optimum jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, optimum Equivalent air-fuel ratio and optimum ignition advance angle.
S206, demarcates electromotor respectively and exists according to optimum jet pulsewidth, optimum equivalent air-fuel ratio and optimum ignition advance angle Jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle.
S104, if rotating speed to be calibrated belongs to second range of speeds, determines whether belonging to admission pressure to be calibrated Pressure limit.
In an embodiment of the present invention, if rotating speed n to be calibrated is not more than nmax* 70%, then need to determine whether to wait to mark Determine the pressure limit belonging to admission pressure, in the same manner, also dependent on electromotor in the course of the work with economic performance for advocate peace with Pressure limit delimited based on power performance.For example, if the highest admission pressure of electromotor is mapmax, then electromotor Admission pressure is more than mapmax* 75% pressure limit is first pressure scope, engine charge pressure is not more than mapmax* when 75% Pressure limit be the second scope.If admission pressure to be calibrated belongs to first pressure scope, demarcate rule mark according to first Determine jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel ratio and ignition advance angle.
In one embodiment of the invention, if admission pressure to be calibrated is more than mapmax* 75%, can be by as Fig. 2 institute The method shown according to first demarcate rule demarcate jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, when Amount air-fuel ratio and ignition advance angle, concrete steps such as s201-s206.
S105, if admission pressure to be calibrated belongs to second pressure scope, demarcates rule according to second and demarcates electromotor Jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle.
In one embodiment of the invention, if admission pressure to be calibrated is not more than mapmax* 75%, can be by as Fig. 3 Shown method according to second demarcate rule demarcate jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, Equivalent air-fuel ratio and ignition advance angle, specifically, comprise the following steps:
S301, is in rotating speed to be calibrated and the working condition of admission pressure to be calibrated in electromotor, adjustment electromotor Jet pulsewidth, and obtain different jet pulsewidths corresponding multiple equivalent air-fuel ratios respectively.
Wherein, equivalent air-fuel ratio is the ratio of actual mixing ratio and chemically correct fuel.In an embodiment of the present invention, sending out Motivation is under rotating speed to be calibrated and the working condition of admission pressure to be calibrated, makes rotating speed to be calibrated keep one by dynamometer machine Fixed, make admission pressure to be calibrated keep the jet pulsewidth necessarily then adjusting electromotor to carry out by adjusting throttle opening Demarcate.Specifically, first maximum spout gaseous pulse width can be obtained according to rotating speed to be calibrated, then according to default step-length is from default initial spray Gaseous pulse width starts to increase the jet pulsewidth of electromotor, until jet pulsewidth reaches maximum spout gaseous pulse width.Wherein, preset initial jet Pulsewidth and default step-length can be preset by user or system.
In one embodiment of the invention, maximum spout gaseous pulse width can be obtained according to the half-turn cycle under rotating speed to be calibrated qmax.First, the half-turn cycle t under rotating speed to be calibrated can be calculated according to below equation:
T=(60/n/2) * 1000, wherein, n is rotating speed to be calibrated,
Half-turn cycle t is rounded downwards and obtains maximum spout gaseous pulse width qmax.For example, work as n=1400rpm When (revolutions perminute, per minute turn of the number of turns), half-turn cycle t=(60/1400/2) * 1000=21.4ms(milli Second, unit of time), then maximum spout gaseous pulse width qmax=21ms.If presetting initial jet pulsewidth q1For 1ms, default step-length is 0.5ms, then second jet pulsewidth q2For 1.5ms, third time jet pulsewidth q3For 2ms, the rest may be inferred, until maximum spout gaseous pulse Wide qmax.Wherein, jet pulsewidth can be controlled by ECU, be changed according to default step-length.
In one embodiment of the invention, for each jet pulsewidth, equivalent air-fuel ratio can be controlled by ECU Change, and pass through equivalent Air/Fuel ratio analysis instrument Synchronization Analysis excess air coefficient in equivalent air-fuel ratio in change procedure, serve as When amount air coefficient meets preset requirement, the current equivalent air-fuel ratio of record ECU.For example, when jet pulsewidth q1 During for 1ms, equivalent air-fuel ratio is controlled by ECU, when the excess air coefficient that Air/Fuel ratio analysis instrument shows meets default wanting Ask, that is, during excess air coefficient lambda=1, record current equivalent air-fuel ratio λ1；When jet pulsewidth q2During for 1.5ms, pass through ECU controls equivalent air-fuel ratio, makes the excess air coefficient lambda=1 that Air/Fuel ratio analysis instrument shows, that is, meet default wanting Ask, record current equivalent air-fuel ratio λ2；When jet pulsewidth q3During for 2ms, equivalent air-fuel ratio is controlled by ECU, makes sky Fire the excess air coefficient lambda=1 showing than analyser, that is, meet preset requirement, record current equivalent air-fuel ratio λ3；According to This analogizes, until maximum spout gaseous pulse width qmaxWhen, record current equivalent air-fuel ratio λmax.
S302, obtains minimum ignition advance angle mbt with multiple equivalent air-fuel ratios corresponding multiple peak torques of difference, and Record multiple specific fuel consumptions of electromotor corresponding with multiple mbt respectively.
In an embodiment of the present invention, on the basis of the demarcation of equivalent air-fuel ratio, electronic spark advance is controlled by ECU Angle so as to close to peak torque minimum ignition advance angle mbt, and record the specific fuel consumption under present case.For example, equivalent Air-fuel ratio is λ1When, ignition advance angle is controlled by ECU so as to minimum ignition advance angle mbt close to peak torque1, Obtain current ignition advance angle s1, and record ignition advance angle s1When specific fuel consumption be1；Equivalent air-fuel ratio is λ2When, by electricity Control unit controls ignition advance angle so as to minimum ignition advance angle mbt close to peak torque2, obtain current electronic spark advance Angle s2, and record ignition advance angle s2When specific fuel consumption be2；The rest may be inferred, until equivalent air-fuel ratio is λmaxWhen, record igniting carries Anterior angle smaxWhen specific fuel consumption bemax.
S303, sets up the second specific fuel consumption function according to multiple specific fuel consumptions, and obtains ratio of greater inequality according to the second specific fuel consumption function Oil consumption.
In an embodiment of the present invention, set up the second specific fuel consumption function according to multiple specific fuel consumptions, according to the second specific fuel consumption letter Number obtains the slopes of the corresponding function curve of each specific fuel consumption respectively, then obtains minimum slope in slope, and by minimum slope Corresponding specific fuel consumption is as optimum specific fuel consumption.
S304, the optimum specific fuel consumption corresponding jet pulsewidth of record and this jet pulsewidth corresponding equivalent air-fuel ratio and igniting Advance angle, and using this jet pulsewidth and its corresponding equivalent air-fuel ratio and ignition advance angle as optimum jet pulsewidth, Excellent equivalent air-fuel ratio and optimum ignition advance angle.
In an embodiment of the present invention, in the optimum of the electromotor obtaining under rotating speed to be calibrated and admission pressure to be calibrated After specific fuel consumption, recordable optimum specific fuel consumption corresponding jet pulsewidth and this jet pulsewidth corresponding optimum ignition advance angle, Optimum equivalent air-fuel ratio, and by record optimum specific fuel consumption corresponding jet pulsewidth and this corresponding electronic spark advance of jet pulsewidth Angle, equivalent air-fuel ratio are respectively as optimum jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, optimum Equivalent air-fuel ratio and optimum ignition advance angle.
S305, demarcates electromotor respectively and exists according to optimum jet pulsewidth, optimum equivalent air-fuel ratio and optimum ignition advance angle Jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle.
The scaling method of the gasoline hydrogen loading electromotor of the embodiment of the present invention, according to rotating speed to be calibrated and admission pressure to be calibrated Affiliated different rotating speeds scope and pressure limit, using different rules of demarcating to the jet pulsewidth of electromotor, equivalent air-fuel Demarcated than with ignition advance angle, can ensure to make the dynamic property of gasoline hydrogen loading electromotor with economy so as to relative simultaneously Petrolic discharge in same discharge capacity obtains larger improvement such that it is able to meet the emission request to motor vehicles for the country, Lifting Consumer's Experience.
In order that electromotor can reach power performance and economy under arbitrarily possible engine speed and admission pressure Best combination of both performance, need to the jet pulsewidth of the electromotor under different engine speed and admission pressure, Equivalent air-fuel ratio and ignition advance angle are demarcated, therefore can be by adjusting the rotating speed to be calibrated of electromotor and air inlet pressure to be calibrated Power, and to the jet pulsewidth of the electromotor under the assembled state of each rotating speed to be calibrated and admission pressure to be calibrated, equivalent air-fuel Demarcated than with ignition advance angle.Fig. 4 is the scaling method of the gasoline hydrogen loading electromotor according to another embodiment of the present invention Flow chart.As shown in figure 4, the scaling method of gasoline hydrogen loading electromotor according to embodiments of the present invention, comprise the following steps:
S401, obtains the rotating speed to be calibrated of electromotor and admission pressure to be calibrated.
S402, judges the range of speeds belonging to rotating speed to be calibrated.
In an embodiment of the present invention, can be according to electromotor in the course of the work with economic performance for advocating peace with power performance Based on delimiting the range of speeds.For example, if the maximum speed of electromotor is nmax, then engine speed n is more than nmax* 70% range of speeds is first range of speeds, and engine speed n is not more than nmax* range of speeds when 70% is the second scope.
S403, if rotating speed to be calibrated belongs to first range of speeds, demarcates rule demarcation electromotor according to first and is treating Jet pulsewidth under rated engine speed and admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle.
In one embodiment of the invention, if rotating speed n to be calibrated is more than nmax* 70%, can be by as the step in Fig. 2 Method shown in s201-s206 is demarcated rule according to first and is demarcated electromotor under rotating speed to be calibrated and admission pressure to be calibrated Jet pulsewidth, equivalent air-fuel ratio and ignition advance angle.
S404, if rotating speed to be calibrated belongs to second range of speeds, determines whether belonging to admission pressure to be calibrated Pressure limit.
In an embodiment of the present invention, if rotating speed n to be calibrated is not more than nmax* 70%, then need to determine whether to wait to mark Determine the pressure limit belonging to admission pressure, in the same manner, also dependent on electromotor in the course of the work with economic performance for advocate peace with Pressure limit delimited based on power performance.For example, if the highest admission pressure of electromotor is mapmax, then electromotor Admission pressure is more than mapmax* 75% pressure limit is first pressure scope, engine charge pressure is not more than mapmax* when 75% Pressure limit be the second scope.If admission pressure to be calibrated belongs to first pressure scope, demarcate rule mark according to first Determine jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel ratio and ignition advance angle.
In one embodiment of the invention, if admission pressure to be calibrated is more than mapmax* 75%, can be by as Fig. 2 institute The method shown according to first demarcate rule demarcate jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, when Amount air-fuel ratio and ignition advance angle, concrete steps such as s201-s206.
S405, if admission pressure to be calibrated belongs to second pressure scope, demarcates rule according to second and demarcates electromotor Jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle.
In one embodiment of the invention, if admission pressure to be calibrated is not more than mapmax* 75%, can be by as Fig. 3 Method shown in middle step s301-s305 is demarcated rule according to second and is demarcated electromotor in rotating speed to be calibrated and air inlet pressure to be calibrated Jet pulsewidth under power, equivalent air-fuel ratio and ignition advance angle.
S406, keeps rotating speed to be calibrated constant, and adjusts admission pressure to be calibrated according to the first preset rules, with by step Rapid s401-s405 demarcates jet arteries and veins under the admission pressure to be calibrated and rotating speed to be calibrated after each adjustment for the electromotor respectively Width, equivalent air-fuel ratio and ignition advance angle.
In an embodiment of the present invention, when demarcating to gasoline hydrogen loading electromotor, need to different rotating speeds, difference Admission pressure in the case of, demarcated respectively.Wherein, the first preset rules can be preset by user or system, this reality Apply in example and be 5kpa(kPa, pressure unit), that is, admission pressure often increases 5kpa and demarcates once.Then pass through step s401- again S405 demarcates jet pulsewidth under the admission pressure to be calibrated and rotating speed to be calibrated after each adjustment for the electromotor, equivalent sky respectively Combustion ratio and ignition advance angle.The adjusting range of admission pressure is default scope in electromotor, from the beginning of default initial pressure Demarcate, constantly adjusted according to the first preset rules, until default full admission pressure, terminate to demarcate.
S407, adjusts rotating speed to be calibrated according to the second preset rules, to demarcate electromotor respectively by step s401-s405 Each adjustment after rotating speed to be calibrated and each adjustment after admission pressure to be calibrated under jet pulsewidth, equivalent air-fuel ratio and Ignition advance angle.
In an embodiment of the present invention, when demarcating to gasoline hydrogen loading electromotor, need to different rotating speeds, difference Admission pressure in the case of, demarcated respectively.Wherein, the second preset rules can be preset by user or system, this reality Applying in example is 200rpm, and that is, rotating speed often increases 200rpm and demarcates once.Then demarcated respectively by step s401-s405 again and start Jet pulsewidth under the admission pressure to be calibrated and rotating speed to be calibrated after each adjustment for the machine, equivalent air-fuel ratio and electronic spark advance Angle.The adjusting range of rotating speed is the preset range of display in automobile speed indicator, starts to demarcate from default initial rotating speed, according to the Two preset rules constantly adjust, and until default maximum (top) speed, terminate to demarcate.
As shown in figure 5, the control system schematic diagram of the gasoline hydrogen loading electromotor for one embodiment of the invention, in the present invention Embodiment in, by demarcating to gasoline hydrogen loading electromotor under different engine speed and various inlet pressure, can Obtain corresponding jet pulsewidth map figure, equivalent air-fuel ratio map figure and ignition advance angle map figure, by the number of three map in figures According in write ECU, then ECU can be controlled to electromotor according to map figure, according to the work of electromotor operating Make situation, the jet pulsewidth in electromotor, equivalent air-fuel ratio and ignition advance angle be controlled so that car load reach optimal Economic performance and power performance.Wherein, map figure is the plane graph under three-dimensional system of coordinate, and with rotating speed as x-axis, admission pressure is y Axle, when with jet pulsewidth for z-axis, is jet pulsewidth map figure, can scheme to obtain corresponding rotating speed and air inlet according to jet pulsewidth map Optimum jet pulsewidth under pressure；When with equivalent air-fuel ratio for z-axis, it is equivalent air-fuel ratio map figure, can be according to equivalent air-fuel ratio Map figure obtains the optimum equivalent air-fuel ratio under corresponding rotating speed and admission pressure；When with ignition advance angle for z-axis, carry for igniting Anterior angle map is schemed, and can scheme to obtain the optimum ignition advance angle under corresponding rotating speed and admission pressure according to ignition advance angle map.
The scaling method of the gasoline hydrogen loading electromotor of the embodiment of the present invention, by adjusting rotating speed to be calibrated and air inlet to be calibrated Pressure, and respectively electromotor is demarcated under the working condition of each rotating speed to be calibrated and admission pressure to be calibrated, thus Electromotor under all engine speed and all admission pressures can be demarcated, so that gasoline hydrogen loading electromotor is relatively Petrolic discharge in same discharge capacity obtains larger improvement such that it is able to meet the emission request to motor vehicles for the country, And make electromotor reach optimal dynamic property and economy.
In order to realize above-described embodiment, the present invention also proposes a kind of caliberating device of gasoline hydrogen loading electromotor.
Fig. 6 is the structural representation of the caliberating device of the gasoline hydrogen loading electromotor according to one embodiment of the invention.
As shown in fig. 6, the caliberating device of gasoline hydrogen loading electromotor according to embodiments of the present invention, comprising: acquisition module 100th, the first judge module 200, the first demarcating module 300, the second judge module 400, the second demarcating module 500, first obtain Unit 310, the first adjustment unit 320, second acquisition unit 330, the 3rd acquiring unit 340, the 4th acquiring unit 350, first Demarcate unit 360, the second adjustment unit 510, the 5th acquiring unit 520, the 6th acquiring unit 530, the 7th acquiring unit 540 and Second demarcation unit 550.Wherein, the first demarcating module 300 specifically include first acquisition unit 310, the first adjustment unit 320, Second acquisition unit 330, the 3rd acquiring unit 340, the 4th acquiring unit 350 and the first demarcation unit 360.Second demarcating module 500 specifically include the second adjustment unit 510, the 5th acquiring unit 520, the 6th acquiring unit 530, the 7th acquiring unit 540 and Second demarcation unit 550.
Specifically, acquisition module 100 is used for obtaining the rotating speed to be calibrated of electromotor and admission pressure to be calibrated.
First judge module 200 is used for judging the range of speeds belonging to rotating speed to be calibrated.In an embodiment of the present invention, may be used The range of speeds delimited for advocating peace with economic performance in the course of the work based on power performance according to electromotor.For example, If the maximum speed of electromotor is nmax, then engine speed n is more than nmax* 70% range of speeds is first range of speeds, send out Motivation rotating speed n is not more than nmax* range of speeds when 70% is the second scope.
First demarcating module 300 is used for, when rotating speed to be calibrated belongs to first range of speeds, demarcating rule mark according to first Determine jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel ratio and ignition advance angle.More Body ground, in an embodiment of the present invention, the first demarcating module 300 specifically includes first acquisition unit 310, the first adjustment unit 320th, second acquisition unit 330, the 3rd acquiring unit 340, the 4th acquiring unit 350 and the first demarcation unit 360.
Wherein, first acquisition unit 310 is used for obtaining electromotor and is being in rotating speed to be calibrated and admission pressure to be calibrated Working condition, and raw torque during gasoline non-hydrogen loading gas.
First adjustment unit 320 is used for being in rotating speed to be calibrated and the working condition of admission pressure to be calibrated in electromotor In, the jet pulsewidth of adjustment electromotor.Wherein, equivalent air-fuel ratio is the ratio of actual mixing ratio and chemically correct fuel.At this In a bright embodiment, it is under rotating speed to be calibrated and the working condition of admission pressure to be calibrated in electromotor, by measurement of power Machine makes rotating speed to be calibrated keep certain, makes admission pressure to be calibrated keep certain by adjusting throttle opening, then adjustment is sent out The jet pulsewidth of motivation is being demarcated.First adjustment unit 320 can obtain maximum spout gaseous pulse width according to rotating speed to be calibrated, and presses Start to increase the jet pulsewidth of electromotor from default initial jet pulsewidth according to default step-length, until jet pulsewidth reaches maximum jet Pulsewidth.Wherein, preset initial jet pulsewidth and default step-length can be preset by user or system.Wherein, can be according to be calibrated The half-turn cycle under rotating speed obtains maximum spout gaseous pulse width qmax.First, half under rotating speed to be calibrated can be calculated according to below equation Circle cycle t:
T=(60/n/2) * 1000, wherein, n is rotating speed to be calibrated,
Half-turn cycle t is rounded downwards and obtains maximum spout gaseous pulse width qmax.For example, work as n=1400rpm When (revolutions per minute, per minute turn of the number of turns), half-turn cycle t=(60/1400/2) * 1000=21.4ms (millisecond, unit of time), then maximum spout gaseous pulse width qmax=21ms.If presetting initial jet pulsewidth q1For 1ms, default step-length is 0.5ms, then second jet pulsewidth q2For 1.5ms, third time jet pulsewidth q3For 2ms, the rest may be inferred, until maximum spout gaseous pulse Wide qmax.Wherein, jet pulsewidth can be controlled by ECU, be changed according to default step-length.
Second acquisition unit 330 is used for obtaining different jet pulsewidths corresponding multiple equivalent air-fuel ratios respectively.In the present invention An embodiment in, for each jet pulsewidth, second acquisition unit 330 can control equivalent air-fuel ratio to become by ECU Change, and pass through equivalent Air/Fuel ratio analysis instrument Synchronization Analysis excess air coefficient in equivalent air-fuel ratio in change procedure, work as excess When air coefficient meets preset requirement, the current equivalent air-fuel ratio of record ECU.For example, when jet pulsewidth q1For During 1ms, equivalent air-fuel ratio is controlled by ECU, when the excess air coefficient that Air/Fuel ratio analysis instrument shows meets default wanting Ask, that is, during excess air coefficient lambda=1, record current equivalent air-fuel ratio λ1；When jet pulsewidth q2During for 1.5ms, pass through ECU controls equivalent air-fuel ratio, makes the excess air coefficient lambda=1 that Air/Fuel ratio analysis instrument shows, that is, meet default wanting Ask, record current equivalent air-fuel ratio λ2；When jet pulsewidth q3During for 2ms, equivalent air-fuel ratio is controlled by ECU, makes sky Fire the excess air coefficient lambda=1 showing than analyser, that is, meet preset requirement, record current equivalent air-fuel ratio λ3；According to This analogizes, until maximum spout gaseous pulse width qmaxWhen, record current equivalent air-fuel ratio λmax.
3rd acquiring unit 340 is used for obtaining the smallest point with multiple equivalent air-fuel ratios corresponding multiple peak torques of difference Fiery advance angle mbt, and record and multiple mbt respectively multiple moments of torsion of corresponding electromotor and corresponding many respectively with multiple moments of torsion Individual specific fuel consumption.In an embodiment of the present invention, on the basis of the demarcation of equivalent air-fuel ratio, the 3rd acquiring unit 340 passes through automatically controlled Unit control ignition advance angle so as to close to peak torque minimum ignition advance angle mbt, and record the moment of torsion under present case And specific fuel consumption.For example, equivalent air-fuel ratio is λ1When, ignition advance angle is controlled by ECU so as to turn round close to maximum Minimum ignition advance angle mbt of square1, obtain current ignition advance angle s1, and record ignition advance angle s1When moment of torsion n1With right Specific fuel consumption be answered1；Equivalent air-fuel ratio is λ2When, ignition advance angle is controlled so as to close to peak torque by ECU Little ignition advance angle mbt2, obtain current ignition advance angle s2, and record ignition advance angle s2When moment of torsion n2With corresponding ratio Oil consumption be2；The rest may be inferred, until equivalent air-fuel ratio is λmaxWhen, record ignition advance angle smaxWhen moment of torsion nmaxWith corresponding ratio Oil consumption bemax.
4th acquiring unit 350 is used for setting up the first specific fuel consumption letter according to raw torque, multiple moment of torsion and multiple specific fuel consumption Number, and optimum specific fuel consumption is obtained according to the first specific fuel consumption function, and the optimum specific fuel consumption corresponding jet pulsewidth of record and with The corresponding equivalent air-fuel ratio of corresponding jet pulsewidth and ignition advance angle, and by corresponding jet pulsewidth, corresponding equivalent air-fuel Than with ignition advance angle respectively as optimum jet pulsewidth, optimum equivalent air-fuel ratio and optimum ignition advance angle.The present invention's In one embodiment, the 4th acquiring unit 350 can be first according to original torsion n0Square obtains torque threshold, then obtains multiple moments of torsion In not less than torque threshold multiple moments of torsion, and respectively obtain not less than torque threshold multiple moments of torsion corresponding multiple than oil Consumption, and set up the first specific fuel consumption function according to not less than the corresponding multiple specific fuel consumptions of multiple moments of torsion of torque threshold.Wherein, moment of torsion Threshold value may be set to 0.95*n0, and then, can according to not less than 0.95*n0The corresponding multiple specific fuel consumptions of multiple moments of torsion set up One specific fuel consumption function, and obtain the slope of the corresponding function curve of each specific fuel consumption respectively according to the first specific fuel consumption function, then Obtain minimum slope in slope, and using corresponding for minimum slope specific fuel consumption as optimum specific fuel consumption.Obtaining in rotating speed to be calibrated After the optimum specific fuel consumption of the electromotor under admission pressure to be calibrated, recordable optimum specific fuel consumption corresponding jet pulsewidth, with And this jet pulsewidth corresponding optimum ignition advance angle, optimum equivalent air-fuel ratio, and the corresponding spray of optimum specific fuel consumption by record Gaseous pulse width and this corresponding ignition advance angle of jet pulsewidth, equivalent air-fuel ratio and are treated in rotating speed to be calibrated respectively as electromotor Optimum jet pulsewidth under demarcation admission pressure, optimum equivalent air-fuel ratio and optimum ignition advance angle.
First demarcation unit 360 is used for being divided according to optimum jet pulsewidth, optimum equivalent air-fuel ratio and optimum ignition advance angle Biao Ding not jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel ratio and ignition advance angle.
Thus, when rotating speed to be calibrated belongs to first range of speeds, can be single by first acquisition unit 310, first adjustment Unit 320, second acquisition unit 330, the 3rd acquiring unit 340, the 4th acquiring unit 350 and first demarcate unit 360 according to the One demarcates rule demarcates jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel ratio and igniting Advance angle.
Second judge module 400 is used for when rotating speed to be calibrated belongs to second range of speeds, determine whether to be calibrated enter Pressure limit belonging to atmospheric pressure.In an embodiment of the present invention, if rotating speed n to be calibrated is not more than nmax* 70%, then need Two judge modules 400 determine whether the pressure limit belonging to admission pressure to be calibrated, in the same manner, also dependent on electromotor in work During work, pressure limit delimited for advocating peace based on power performance with economic performance.For example, if electromotor High admission pressure is mapmax, then engine charge pressure is more than mapmax* 75% pressure limit is first pressure scope, start Machine admission pressure is not more than mapmax* pressure limit when 75% is the second scope.
Second demarcating module 500 is used for, when admission pressure to be calibrated belongs to second pressure scope, demarcating rule according to second Then demarcate jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel ratio and ignition advance angle. More specifically, in one embodiment of the invention, the second demarcating module 500 specifically includes the second adjustment unit the 510, the 5th and obtains Take unit 520, the 6th acquiring unit 530, the 7th acquiring unit 540 and the second demarcation unit 550.
Wherein, the second adjustment unit 510 is used for being in rotating speed to be calibrated and the work of admission pressure to be calibrated in electromotor In state, the jet pulsewidth of adjustment electromotor.In one embodiment of the invention, it is in rotating speed to be calibrated in electromotor and treat Demarcate under the working condition of admission pressure, make rotating speed to be calibrated keep certain by dynamometer machine, made by adjusting throttle opening Admission pressure to be calibrated keeps certain, and then the jet pulsewidth of adjustment electromotor is being demarcated.Second adjustment unit 510 can root Obtain maximum spout gaseous pulse width according to rotating speed to be calibrated, and start to increase electromotor from default initial jet pulsewidth according to default step-length Jet pulsewidth, until jet pulsewidth reaches maximum spout gaseous pulse width.Wherein, preset initial jet pulsewidth and default step-length can be by user Or system presets.Wherein, maximum spout gaseous pulse width q can be obtained according to the half-turn cycle under rotating speed to be calibratedmax.First, can root Calculate the half-turn cycle t under rotating speed to be calibrated according to below equation:
T=(60/n/2) * 1000, wherein, n is rotating speed to be calibrated,
Half-turn cycle t is rounded downwards and obtains maximum spout gaseous pulse width qmax.For example, work as n=1400rpm When (revolutions per minute, per minute turn of the number of turns), half-turn cycle t=(60/1400/2) * 1000=21.4ms (millisecond, unit of time), then maximum spout gaseous pulse width qmax=21ms.If presetting initial jet pulsewidth q1For 1ms, default step-length is 0.5ms, then second jet pulsewidth q2For 1.5ms, third time jet pulsewidth q3For 2ms, the rest may be inferred, until maximum spout gaseous pulse Wide qmax.Wherein, jet pulsewidth can be controlled by ECU, be changed according to default step-length.
5th acquiring unit 520 is used for obtaining different jet pulsewidths corresponding multiple equivalent air-fuel ratios respectively.In the present invention An embodiment in, for each jet pulsewidth, the 5th acquiring unit 520 can control equivalent air-fuel ratio to become by ECU Change, and pass through equivalent Air/Fuel ratio analysis instrument Synchronization Analysis excess air coefficient in equivalent air-fuel ratio in change procedure, work as excess When air coefficient meets preset requirement, the current equivalent air-fuel ratio of record ECU.For example, when jet pulsewidth q1For During 1ms, equivalent air-fuel ratio is controlled by ECU, when the excess air coefficient that Air/Fuel ratio analysis instrument shows meets default wanting Ask, that is, during excess air coefficient lambda=1, record current equivalent air-fuel ratio λ1；When jet pulsewidth q2During for 1.5ms, pass through ECU controls equivalent air-fuel ratio, makes the excess air coefficient lambda=1 that Air/Fuel ratio analysis instrument shows, that is, meet default wanting Ask, record current equivalent air-fuel ratio λ2；When jet pulsewidth q3During for 2ms, equivalent air-fuel ratio is controlled by ECU, makes sky Fire the excess air coefficient lambda=1 showing than analyser, that is, meet preset requirement, record current equivalent air-fuel ratio λ3；According to This analogizes, until maximum spout gaseous pulse width qmaxWhen, record current equivalent air-fuel ratio λmax.
6th acquiring unit 530 is used for obtaining the smallest point with multiple equivalent air-fuel ratios corresponding multiple peak torques of difference Fiery advance angle mbt, and record multiple specific fuel consumptions of electromotor corresponding with multiple mbt respectively.In an embodiment of the present invention, exist Equivalent air-fuel ratio demarcate on the basis of, the 6th acquiring unit 530 by ECU control ignition advance angle so as to close to maximum Minimum ignition advance angle mbt of moment of torsion, and record the specific fuel consumption under present case.For example, equivalent air-fuel ratio is λ1When, lead to Cross ECU and control ignition advance angle so as to minimum ignition advance angle mbt close to peak torque1, obtain current igniting Advance angle s1, and record ignition advance angle s1When specific fuel consumption be1；Equivalent air-fuel ratio is λ2When, igniting is controlled by ECU Advance angle is so as to minimum ignition advance angle mbt close to peak torque2, obtain current ignition advance angle s2, and record igniting Advance angle s2When specific fuel consumption be2；The rest may be inferred, until equivalent air-fuel ratio is λmaxWhen, record ignition advance angle smaxWhen ratio oil Consumption bemax.
7th acquiring unit 540 is used for setting up the second specific fuel consumption function according to multiple specific fuel consumptions, and according to the second specific fuel consumption Function obtains optimum specific fuel consumption, and the optimum specific fuel consumption corresponding jet pulsewidth of record and corresponding with corresponding jet pulsewidth Equivalent air-fuel ratio and ignition advance angle, and corresponding jet pulsewidth, corresponding equivalent air-fuel ratio and ignition advance angle are made respectively For optimum jet pulsewidth, optimum equivalent air-fuel ratio and optimum ignition advance angle.In an embodiment of the present invention, the 7th acquiring unit 540 can set up the second specific fuel consumption function according to multiple specific fuel consumptions, obtain each specific fuel consumption pair respectively according to the second specific fuel consumption function The slope of the function curve answered, then obtains minimum slope in slope, and using corresponding for minimum slope specific fuel consumption as ratio of greater inequality Oil consumption.Obtaining after the optimum specific fuel consumption of the electromotor under rotating speed to be calibrated and admission pressure to be calibrated, recordable optimum Specific fuel consumption corresponding jet pulsewidth and this jet pulsewidth corresponding optimum ignition advance angle, optimum equivalent air-fuel ratio, and will remember Record optimum specific fuel consumption corresponding jet pulsewidth and this corresponding ignition advance angle of jet pulsewidth, equivalent air-fuel ratio respectively as Optimum jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, optimum equivalent air-fuel ratio and optimum igniting carry Anterior angle.
Second demarcation unit 550 is used for being divided according to optimum jet pulsewidth, optimum equivalent air-fuel ratio and optimum ignition advance angle Biao Ding not jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel ratio and ignition advance angle.
Thus, when admission pressure to be calibrated belongs to second pressure scope, can be obtained by the second adjustment unit the 510, the 5th Unit 520, the 6th acquiring unit 530, the 7th acquiring unit 540 and second is taken to demarcate unit 550 according to the second demarcation rule mark Determine jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel ratio and ignition advance angle.
First demarcating module 300 is additionally operable to when admission pressure to be calibrated belongs to first pressure scope, according to the first demarcation Rule demarcates jet pulsewidth under rotating speed to be calibrated and admission pressure to be calibrated for the electromotor, equivalent air-fuel ratio and electronic spark advance Angle.
The caliberating device of gasoline hydrogen loading electromotor according to embodiments of the present invention, according to rotating speed to be calibrated and air inlet to be calibrated The affiliated different rotating speeds scope of pressure and pressure limit, using different rules of demarcating to the jet pulsewidth of electromotor, equivalent Air-fuel ratio and ignition advance angle are demarcated, can ensure to make the dynamic property of gasoline hydrogen loading electromotor and economy simultaneously so as to Obtain larger improving with respect to the petrolic discharge of same discharge capacity such that it is able to meet country, the discharge of motor vehicles to be wanted Ask, lift Consumer's Experience.
Fig. 7 is the caliberating device of the gasoline hydrogen loading electromotor according to another embodiment of the present invention.
As shown in fig. 7, the caliberating device of this gasoline hydrogen loading electromotor also includes on the basis of shown in Fig. 6: adjusting module 600.
Specifically, adjusting module 600 is used for keeping rotating speed to be calibrated constant, and adjusts to be calibrated according to the first preset rules Admission pressure, with to electromotor each adjustment after admission pressure to be calibrated and rotating speed to be calibrated under jet pulsewidth, equivalent Air-fuel ratio and ignition advance angle are demarcated respectively.In an embodiment of the present invention, gasoline hydrogen loading electromotor is being demarcated When, in the case of needing to different rotating speeds, different admission pressures, demarcated respectively.Wherein, the first preset rules can be by User or system preset, and are 5kpa(kPa, pressure unit in the present embodiment), that is, admission pressure often increases 5kpa demarcation one Secondary.Then in rotating speed to be calibrated, and adjustment after each admission pressure under, to the jet pulsewidth of gasoline hydrogen loading electromotor, when Amount air-fuel ratio and ignition advance angle are demarcated respectively.
Under the air inlet pressure to be calibrated after each adjustment, adjusting module 600 is additionally operable to treat according to the second preset rules adjustment Rated engine speed, with the spray under the admission pressure to be calibrated after the rotating speed to be calibrated after each adjustment and each adjustment to electromotor Gaseous pulse width, equivalent air-fuel ratio and ignition advance angle are demarcated respectively.In an embodiment of the present invention, gasoline hydrogen loading is being started When machine is demarcated, in the case of needing to different rotating speeds, different admission pressures, demarcated respectively.Wherein, second is pre- If rule can be preset by user or system, it is 200rpm in the present embodiment, that is, rotating speed often increases 200rpm and demarcates once.By This can under all possible engine speed and all possible admission pressure to the jet pulsewidth of gasoline hydrogen loading electromotor, when Amount air-fuel ratio and ignition advance angle are demarcated respectively.
In an embodiment of the present invention, by sending out to gasoline hydrogen loading under different engine speed and various inlet pressure Motivation is demarcated, and can obtain corresponding jet pulsewidth map figure, equivalent air-fuel ratio map figure and ignition advance angle map figure, will In the data write ECU of three map in figures, then ECU can be controlled to electromotor according to map figure, root According to the working condition of electromotor operating, the jet pulsewidth in electromotor, equivalent air-fuel ratio and ignition advance angle are controlled, with Car load is made to reach optimal economic performance and power performance.Wherein, map figure is the plane graph under three-dimensional system of coordinate, with rotating speed as x Axle, admission pressure is y-axis, when with jet pulsewidth for z-axis, is jet pulsewidth map figure, can scheme to obtain according to jet pulsewidth map Optimum jet pulsewidth under corresponding rotating speed and admission pressure；When with equivalent air-fuel ratio for z-axis, it is equivalent air-fuel ratio map figure, can Scheme to obtain the optimum equivalent air-fuel ratio under corresponding rotating speed and admission pressure according to equivalent air-fuel ratio map；When with ignition advance angle as z During axle, it is ignition advance angle map figure, can scheme to obtain the optimum point under corresponding rotating speed and admission pressure according to ignition advance angle map Fiery advance angle.
The caliberating device of the gasoline hydrogen loading electromotor of the embodiment of the present invention, by adjusting rotating speed to be calibrated and air inlet to be calibrated Pressure, and respectively electromotor is demarcated under the working condition of each rotating speed to be calibrated and admission pressure to be calibrated, thus Electromotor under all engine speed and all admission pressures can be demarcated, so that gasoline hydrogen loading electromotor is relatively Petrolic discharge in same discharge capacity obtains larger improvement such that it is able to meet the emission request to motor vehicles for the country, And make electromotor reach optimal dynamic property and economy.
In flow chart or here any process described otherwise above or method description are construed as, represent and include The module of the code of executable instruction of one or more steps for realizing specific logical function or process, fragment or portion Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable Sequence, including according to involved function by substantially simultaneously in the way of or in the opposite order, carry out perform function, this should be by the present invention Embodiment person of ordinary skill in the field understood.
Represent in flow charts or here logic described otherwise above and/or step, for example, it is possible to be considered as to use In the order list of the executable instruction realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (system as computer based system, including processor or other can hold from instruction Row system, device or equipment instruction fetch the system of execute instruction) use, or with reference to these instruction execution systems, device or set Standby and use.For the purpose of this specification, " computer-readable medium " can any can be comprised, store, communicate, propagate or pass Defeated program is for instruction execution system, device or equipment or the dress using with reference to these instruction execution systems, device or equipment Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following: has the electricity of one or more wirings Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (ram), read only memory (rom), erasable edit read-only storage (eprom or flash memory), fiber device, and portable optic disk is read-only deposits Reservoir (cdrom).In addition, computer-readable medium can even is that the paper that can print described program thereon or other are suitable Medium, because edlin, interpretation or if necessary with it can then be entered for example by carrying out optical scanning to paper or other media His suitable method is processed to electronically obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned In embodiment, the software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage Or firmware is realizing.For example, if realized with hardware, and the same in another embodiment, can use well known in the art under Any one of row technology or their combination are realizing: have the logic gates for data signal is realized with logic function Discrete logic, there is the special IC of suitable combinational logic gate circuit, programmable gate array (pga), scene Programmable gate array (fpga) etc..
Those skilled in the art are appreciated that to realize all or part step that above-described embodiment method carries Suddenly the program that can be by completes come the hardware to instruct correlation, and described program can be stored in a kind of computer-readable storage medium In matter, this program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, can be integrated in a processing module in each functional unit in each embodiment of the present invention it is also possible to It is that unit is individually physically present it is also possible to two or more units are integrated in a module.Above-mentioned integrated mould Block both can be to be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.Described integrated module is such as Fruit using in the form of software function module realize and as independent production marketing or use when it is also possible to be stored in a computer In read/write memory medium.
Storage medium mentioned above can be read only memory, disk or CD etc..
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not Multiple changes, modification, replacement and modification can be carried out to these embodiments in the case of the principle of the disengaging present invention and objective, this The scope of invention by claim and its is equal to limit.

Claims (23)

1. a kind of scaling method of gasoline hydrogen loading electromotor is it is characterised in that comprise the following steps:
A, the rotating speed to be calibrated obtaining electromotor and admission pressure to be calibrated, and judge the rotating speed model belonging to described rotating speed to be calibrated Enclose；
If the described rotating speed to be calibrated of b belongs to first range of speeds, demarcate rule according to first and demarcate described electromotor in institute State jet pulsewidth under rotating speed to be calibrated and described admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle；
If the described rotating speed to be calibrated of c belongs to second range of speeds, determine whether belonging to described admission pressure to be calibrated Pressure limit；
If the described admission pressure to be calibrated of d belongs to first pressure scope, demarcate rule according to first and demarcate described electromotor Jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle；And
If the described admission pressure to be calibrated of e belongs to second pressure scope, demarcate rule according to second and demarcate described electromotor Jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle.
2. the method for claim 1 is it is characterised in that also include:
Keep described rotating speed to be calibrated constant, and adjust described admission pressure to be calibrated according to the first preset rules, with by institute State step a-e and demarcate spray under the admission pressure to be calibrated and described rotating speed to be calibrated after each adjustment for the described electromotor respectively Gaseous pulse width, equivalent air-fuel ratio and ignition advance angle.
3. method as claimed in claim 2 is it is characterised in that under the admission pressure to be calibrated after each adjustment described, go back Including:
Adjust described rotating speed to be calibrated according to the second preset rules, existed so that described electromotor is demarcated respectively by described step a-e Jet pulsewidth under rotating speed to be calibrated after each adjustment and the admission pressure to be calibrated after each adjustment described, equivalent air-fuel ratio And ignition advance angle.
4. method as claimed in claim 2 is it is characterised in that described demarcate the rule described electromotor of demarcation in institute according to first State jet pulsewidth under rotating speed to be calibrated and described admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle, specifically include:
Obtain described electromotor in the working condition being in described rotating speed to be calibrated and admission pressure to be calibrated, and the non-hydrogen loading of gasoline Raw torque during gas；
It is in rotating speed to be calibrated and the working condition of admission pressure to be calibrated in described electromotor, adjust the spray of described electromotor Gaseous pulse width, and obtain different jet pulsewidths corresponding multiple equivalent air-fuel ratios respectively；
Obtain minimum ignition advance angle mbt with the plurality of equivalent air-fuel ratio corresponding multiple peak torques of difference, and record With the plurality of mbt multiple moments of torsion of corresponding described electromotor and multiple ratio oil corresponding with the plurality of moment of torsion difference respectively Consumption；
First specific fuel consumption function is set up according to described raw torque, the plurality of moment of torsion and the plurality of specific fuel consumption, and according to institute State the first specific fuel consumption function and obtain optimum specific fuel consumption；
Record described optimum specific fuel consumption corresponding jet pulsewidth and equivalent air-fuel ratio corresponding with described corresponding jet pulsewidth And ignition advance angle, and using described corresponding jet pulsewidth, described corresponding equivalent air-fuel ratio and ignition advance angle as Optimum jet pulsewidth, optimum equivalent air-fuel ratio and optimum ignition advance angle；And
Send out according to described optimum jet pulsewidth, described optimum equivalent air-fuel ratio and described optimum ignition advance angle are demarcated respectively Jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated for the motivation, equivalent air-fuel ratio and ignition advance angle.
5. method as claimed in claim 4 it is characterised in that described according to raw torque, multiple moment of torsion and multiple specific fuel consumption Set up the first specific fuel consumption function to specifically include:
Torque threshold is obtained according to described raw torque；
Obtain the multiple moments of torsion being not less than described torque threshold in the plurality of moment of torsion, and obtain with described not less than described respectively The corresponding multiple specific fuel consumptions of multiple moments of torsion of torque threshold；
Set up the first specific fuel consumption function according to multiple specific fuel consumptions corresponding with described multiple moments of torsion not less than described torque threshold.
6. method as claimed in claim 2 is it is characterised in that described demarcate the rule described electromotor of demarcation in institute according to second State jet pulsewidth under rotating speed to be calibrated and described admission pressure to be calibrated, equivalent air-fuel ratio and ignition advance angle, specifically include:
It is in rotating speed to be calibrated and the working condition of admission pressure to be calibrated in described electromotor, adjust the spray of described electromotor Gaseous pulse width, and obtain different jet pulsewidths corresponding multiple equivalent air-fuel ratios respectively；
Obtain minimum ignition advance angle mbt with the plurality of equivalent air-fuel ratio corresponding multiple peak torques of difference, and respectively Record multiple specific fuel consumptions of described electromotor corresponding with the plurality of mbt；
Second specific fuel consumption function is set up according to the plurality of specific fuel consumption, and the oil of ratio of greater inequality is obtained according to described second specific fuel consumption function Consumption；
Record described optimum specific fuel consumption corresponding jet pulsewidth and equivalent air-fuel ratio corresponding with described corresponding jet pulsewidth And ignition advance angle, and using described corresponding jet pulsewidth, described corresponding equivalent air-fuel ratio and ignition advance angle as Optimum jet pulsewidth, optimum equivalent air-fuel ratio and optimum ignition advance angle；And
Send out according to described optimum jet pulsewidth, described optimum equivalent air-fuel ratio and described optimum ignition advance angle are demarcated respectively Jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated for the motivation, equivalent air-fuel ratio and ignition advance angle.
7. the method as described in claim 4 or 6 it is characterised in that described according to the first specific fuel consumption function or described second ratio Oil consumption function obtains optimum specific fuel consumption and specifically includes:
Each ratio in each specific fuel consumption function is obtained respectively according to described first specific fuel consumption function or described second specific fuel consumption function The slope of the corresponding function curve of oil consumption；And
Obtain minimum slope in slope described in each specific fuel consumption function, and using corresponding for described minimum slope specific fuel consumption as Ratio of greater inequality oil consumption.
8. the method as described in claim 4 or 6 is it is characterised in that the jet pulsewidth of described adjustment electromotor specifically includes:
Maximum spout gaseous pulse width is obtained according to described rotating speed to be calibrated；
Start to increase the jet pulsewidth of described electromotor according to default step-length from default initial jet pulsewidth, until described jet arteries and veins Width reaches described maximum spout gaseous pulse width.
9. the method as described in claim 4 or 6 is it is characterised in that described acquisition difference jet pulsewidth is corresponding multiple respectively Equivalent air-fuel ratio specifically includes:
For each jet pulsewidth, the change of equivalent air-fuel ratio is controlled by ECU, and in described equivalent air-fuel ratio in change During pass through equivalent Air/Fuel ratio analysis instrument Synchronization Analysis excess air coefficient, when described excess air coefficient meets preset requirement When, record the current equivalent air-fuel ratio of described ECU.
10. the method as described in any one of claim 1-3 it is characterised in that in described electromotor the mode of entrance of hydrogen be Naturally aspirated.
A kind of 11. caliberating devices of gasoline hydrogen loading electromotor are it is characterised in that include:
Acquisition module, for obtaining the rotating speed to be calibrated of electromotor and admission pressure to be calibrated；
First judge module, for judging the range of speeds belonging to described rotating speed to be calibrated；
First demarcating module, for when described rotating speed to be calibrated belongs to first range of speeds, demarcating rule according to first and demarcating Jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated for the described electromotor, equivalent air-fuel ratio and igniting carry Anterior angle；
Second judge module, for when described rotating speed to be calibrated belongs to second range of speeds, determining whether described to be calibrated Pressure limit belonging to admission pressure；And
Second demarcating module, for when described admission pressure to be calibrated belongs to second pressure scope, demarcating rule according to second Demarcate jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated for the described electromotor, equivalent air-fuel ratio and point Fiery advance angle；
Described first demarcating module is additionally operable to when described admission pressure to be calibrated belongs to first pressure scope, according to the first demarcation Rule demarcates jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated for the described electromotor, equivalent air-fuel ratio And ignition advance angle.
12. devices as claimed in claim 11 are it is characterised in that also include:
Adjusting module, for keeping described rotating speed to be calibrated constant, and adjusts described air inlet to be calibrated according to the first preset rules Pressure, with to described electromotor each adjustment after admission pressure to be calibrated and described rotating speed to be calibrated under jet pulsewidth, Equivalent air-fuel ratio and ignition advance angle are demarcated respectively.
13. devices as claimed in claim 12 it is characterised in that described each adjustment after admission pressure to be calibrated under, Described adjusting module is additionally operable to adjust described rotating speed to be calibrated according to the second preset rules, to adjust at each to described electromotor The jet pulsewidth under admission pressure to be calibrated after rear rotating speed to be calibrated and each adjustment described, equivalent air-fuel ratio and igniting carry Anterior angle is demarcated respectively.
14. devices as claimed in claim 12 are it is characterised in that described first demarcating module specifically includes:
First acquisition unit, for obtaining described electromotor in the work being in described rotating speed to be calibrated and admission pressure to be calibrated State, and raw torque during gasoline non-hydrogen loading gas；
First adjustment unit, for being in rotating speed to be calibrated and the working condition of admission pressure to be calibrated in described electromotor, Adjust the jet pulsewidth of described electromotor；
Second acquisition unit, for obtaining different jet pulsewidths corresponding multiple equivalent air-fuel ratios respectively；
3rd acquiring unit, for obtaining the minimum ignition with the plurality of equivalent air-fuel ratio corresponding multiple peak torques of difference Advance angle mbt, and record and the plurality of mbt multiple moments of torsion of corresponding described electromotor and divide with the plurality of moment of torsion respectively Not corresponding multiple specific fuel consumptions；
4th acquiring unit, for setting up the first ratio according to described raw torque, the plurality of moment of torsion and the plurality of specific fuel consumption Oil consumption function, and optimum specific fuel consumption is obtained according to described first specific fuel consumption function, and it is corresponding to record described optimum specific fuel consumption Jet pulsewidth and equivalent air-fuel ratio corresponding with described corresponding jet pulsewidth and ignition advance angle, and by described corresponding spray Gaseous pulse width, described corresponding equivalent air-fuel ratio and ignition advance angle respectively as optimum jet pulsewidth, optimum equivalent air-fuel ratio and Optimum ignition advance angle；And
First demarcation unit, for carrying according to described optimum jet pulsewidth, described optimum equivalent air-fuel ratio and described optimum igniting Anterior angle demarcates jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated for the described electromotor, equivalent sky respectively Combustion ratio and ignition advance angle.
15. devices as claimed in claim 14 are it is characterised in that described 4th acquiring unit is specifically for according to described original Moment of torsion obtains torque threshold, and obtains the multiple moments of torsion being not less than described torque threshold in the plurality of moment of torsion, and obtains respectively Take multiple specific fuel consumptions corresponding with described multiple moments of torsion not less than described torque threshold, and according to described not less than described torsion The corresponding multiple specific fuel consumptions of multiple moments of torsion of square threshold value set up the first specific fuel consumption function.
16. devices as claimed in claim 12 are it is characterised in that described second demarcating module specifically includes:
Second adjustment unit, for being in rotating speed to be calibrated and the working condition of admission pressure to be calibrated in described electromotor, Adjust the jet pulsewidth of described electromotor；
5th acquiring unit, for obtaining different jet pulsewidths corresponding multiple equivalent air-fuel ratios respectively；
6th acquiring unit, for obtaining the minimum ignition with the plurality of equivalent air-fuel ratio corresponding multiple peak torques of difference Advance angle mbt, and record multiple specific fuel consumptions of described electromotor corresponding with the plurality of mbt respectively；
7th acquiring unit, for setting up the second specific fuel consumption function according to the plurality of specific fuel consumption, and according to described second than oil Consumption function obtains optimum specific fuel consumption, and record described optimum specific fuel consumption corresponding jet pulsewidth and with described corresponding jet Pulsewidth corresponding equivalent air-fuel ratio and ignition advance angle, and by described corresponding jet pulsewidth, described corresponding equivalent air-fuel ratio With ignition advance angle respectively as optimum jet pulsewidth, optimum equivalent air-fuel ratio and optimum ignition advance angle；And
Second demarcation unit, for carrying according to described optimum jet pulsewidth, described optimum equivalent air-fuel ratio and described optimum igniting Anterior angle demarcates jet pulsewidth under described rotating speed to be calibrated and described admission pressure to be calibrated for the described electromotor, equivalent sky respectively Combustion ratio and ignition advance angle.
17. devices as claimed in claim 14 it is characterised in that
Described 4th acquiring unit is specifically for obtaining the corresponding letter of each specific fuel consumption respectively according to described first specific fuel consumption function The slope of number curve, and obtain minimum slope in described slope, and using corresponding for described minimum slope specific fuel consumption as ratio of greater inequality Oil consumption.
18. devices as claimed in claim 16 it is characterised in that
Described 7th acquiring unit is specifically for obtaining the corresponding letter of each specific fuel consumption respectively according to described second specific fuel consumption function The slope of number curve, and obtain minimum slope in described slope, and using corresponding for described minimum slope specific fuel consumption as ratio of greater inequality Oil consumption.
19. devices as claimed in claim 14 are it is characterised in that described first adjustment unit obtains according to described rotating speed to be calibrated Take maximum spout gaseous pulse width, and start to increase the jet pulsewidth of described electromotor according to default step-length from default initial jet pulsewidth, Until described jet pulsewidth reaches described maximum spout gaseous pulse width.
20. devices as claimed in claim 16 are it is characterised in that described second adjustment unit obtains according to described rotating speed to be calibrated Take maximum spout gaseous pulse width, and start to increase the jet pulsewidth of described electromotor according to default step-length from default initial jet pulsewidth, Until described jet pulsewidth reaches described maximum spout gaseous pulse width.
21. devices as claimed in claim 14 are it is characterised in that for each jet pulsewidth, described second acquisition unit leads to Cross ECU and control the change of equivalent air-fuel ratio, and pass through equivalent Air/Fuel ratio analysis in change procedure in described equivalent air-fuel ratio Instrument Synchronization Analysis excess air coefficient, when described excess air coefficient meets preset requirement, records working as of described ECU Front equivalent air-fuel ratio.
22. devices as claimed in claim 16 are it is characterised in that for each jet pulsewidth, described 5th acquiring unit leads to Cross ECU and control the change of equivalent air-fuel ratio, and pass through equivalent Air/Fuel ratio analysis in change procedure in described equivalent air-fuel ratio Instrument Synchronization Analysis excess air coefficient, when described excess air coefficient meets preset requirement, records working as of described ECU Front equivalent air-fuel ratio.
23. devices as described in any one of claim 11-13 it is characterised in that in described electromotor hydrogen mode of entrance For naturally aspirated.
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EP0640757A2 (en) * 1993-08-31 1995-03-01 Yamaha Hatsudoki Kabushiki Kaisha Charge forming device
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CN101008346A (en) * 2007-01-12 2007-08-01 清华大学 Calibrating method of hydrogen-blended natural gas engine
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EP0640757A2 (en) * 1993-08-31 1995-03-01 Yamaha Hatsudoki Kabushiki Kaisha Charge forming device
CN1460149A (en) * 2000-02-11 2003-12-03 韦斯特波特研究公司 Method and apparatus for gaseous fuel injection into IC engine and controlling combustion
CN101008346A (en) * 2007-01-12 2007-08-01 清华大学 Calibrating method of hydrogen-blended natural gas engine
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