CN107288770A - The redundant system and its control method of engine speed and phase detector - Google Patents

The redundant system and its control method of engine speed and phase detector Download PDF

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Publication number
CN107288770A
CN107288770A CN201710660990.5A CN201710660990A CN107288770A CN 107288770 A CN107288770 A CN 107288770A CN 201710660990 A CN201710660990 A CN 201710660990A CN 107288770 A CN107288770 A CN 107288770A
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CN
China
Prior art keywords
sensor
rotational speed
crankshaft
cam
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710660990.5A
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Chinese (zh)
Inventor
唐艳荣
郑君
刘刚
胡崇波
周佳
黄夫龙
肖蕤
卞少春
侯尊
江佩
索国安
周昊
洪楠
熊骏华
余凯璐
卢东亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Diamond Aero Engine Co Ltd
Original Assignee
Wuhu Diamond Aero Engine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu Diamond Aero Engine Co Ltd filed Critical Wuhu Diamond Aero Engine Co Ltd
Priority to CN201710660990.5A priority Critical patent/CN107288770A/en
Publication of CN107288770A publication Critical patent/CN107288770A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • F02D41/3011Controlling fuel injection according to or using specific or several modes of combustion
    • F02D41/3064Controlling fuel injection according to or using specific or several modes of combustion with special control during transition between modes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/10Parameters related to the engine output, e.g. engine torque or engine speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/10Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/101Engine speed

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

Present invention is disclosed a kind of engine speed and the redundant system of phase detector, the output shaft of engine is provided with crankshaft signal wheel and cam signal wheel, first crankshaft rotational speed sensor and second crankshaft rotational speed sensor of the system provided with collecting crankshaft signal wheel signal and interval 180 degree, and collection cam signal wheel signal and the first cam phase sensor and the second cam phase sensor that are spaced 180 degree, the advantage of the invention is that the crankshaft rotational speed sensor of Redundancy Design and cam phase sensor are arranged in the way of 180 ° of angles respectively, make engine integral arrangement convenient, on the basis of said structure, the natural switching of two passages can be realized with a set of duplicate control program, control is simple, it is stable, reliably, issuable failure when can avoid switch controller passage completely.

Description

The redundant system and its control method of engine speed and phase detector
Technical field
The present invention relates to technical field of engines, and in particular to the rotating speed and phase detector redundancy of aero-engine are set Meter.
Background technology
Engine is the core component of dynamic power machine, as application of electronic technology is in engine technology, Electronic Control system System becomes brain and nervous system for engine, and its function and reliability directly affects the function of engine and reliable Property.And as the crankshaft rotational speed sensor in control system and cam phase sensor, not only directly affect the starting of engine Performance, more produces material impact to normal working of engine.
At present no matter in automotive field or aviation field, electric-control system Redundancy Design especially key sensor redundancy is set Meter has begun to use.Key input such as speed probe, phase are sensed especially in aviation field, electronic control system Device, intake air temperature/pressure sensor, controller device ECU (electronic control unit) be dual redundant design, each controller it is defeated It is independent to enter, and output shares a passage, it can be ensured that the relative independentability of two systems, while to ensure two controllers Input information it is close as far as possible, can just show that identical is exported, therefore the sensing station requirement of the upper Redundancy Design of arrangement As far as possible together, which not only adds the integral arrangement difficulty of engine, and because sensor is not completely same Individual position, the signal of collection has error, eventually results in output and there is error, when showing switching input channel, engine There is larger fluctuation in power, or even engine failure occurs, causes engine misses.
In summary, there are the following problems in the prior art:Dual input passage due to arrangement on can not be completely same The signal of point, especially speed probe collection can have certain error, cause two controllers it cannot be guaranteed that completely the same Output, during switch controller engine power can be caused larger fluctuation, or engine failure occur.
In view of the above-mentioned problems, Publication No. CN106593761A patent application, patent name is《One kind is based on ETPU tetra- Cylinder diesel redundancy and then injection method》In, disclose the corresponding crankshaft sensor of main generator controller and auxiliary generator Controller corresponding crankshaft sensor difference 180 degree, although both differ 180 degree, but whether it is same that both are detected Individual signal teeth, and the position relationship of two cam phase sensors are unclear, can not still overcome mistake during switching input channel Poor problem, it is impossible to the occurrence of overcoming above-mentioned.
The content of the invention
The technical problems to be solved by the invention are to realize a kind of speed probe and phase detector not in same position When putting, the output that two controllers are consistent is can ensure that, switch controller passage will not cause larger power swing or hair Motivation fault redundance system design.
To achieve these goals, the technical solution adopted by the present invention is:The redundancy of engine speed and phase detector System, the output shaft of engine is provided with crankshaft signal wheel and cam signal wheel, and system is provided with collecting crankshaft signal wheel signal First crankshaft rotational speed sensor and the second crankshaft rotational speed sensor, and the first cam phase of collection cam signal wheel signal are passed Sensor and the second cam phase sensor;
First crankshaft rotational speed sensor and the second crankshaft rotational speed sensor gather the signal of same crankshaft signal wheel, The first crankshaft rotational speed sensor center line along crankshaft signal wheel direction of rotation and the second crankshaft rotational speed sensor center line into 180 ° of angles;
The first cam phase sensor and the second cam phase sensor gather the signal of same cam signal wheel, The first cam phase center sensor line along cam signal wheel direction of rotation and the second cam phase center sensor line into 180 ° of angles.
First crankshaft rotational speed sensor and the first cam phase sensor output signal to the first controller, described Two crankshaft rotational speed sensors and the second cam phase sensor output signal to second controller, first controller and second The configuration processor of controller is identical.
First crankshaft rotational speed sensor and the second crankshaft rotational speed sensor and the first cam phase sensor and The direction of two cam phase sensor detection signals is consistent with crankshaft signal wheel, cam signal wheel direction of rotation respectively.
The control method of redundant system based on the engine speed and phase detector:
When engine is started, when the first crankshaft rotational speed sensor is synchronous with the first cam phase sensor, then first is judged Cylinder oil spout, if when the first crankshaft rotational speed sensor and synchronous the first cam phase sensor difference 180 ° of ability of bent axle, sentencing Disconnected next cylinder oil spout;
When engine is started, when the second crankshaft rotational speed sensor is synchronous with the second cam phase sensor, then first is judged Cylinder oil spout, if the second crankshaft rotational speed sensor is synchronous with the second cam phase sensor difference 180 ° of ability of bent axle, judges Next cylinder oil spout.
After engine is started, it is possible to achieve the switching under same control program between first passage and second channel.
The advantage of the invention is that by the crankshaft rotational speed sensor of Redundancy Design and cam phase sensor respectively with 180 ° The mode of angle is arranged, is made engine integral arrangement convenient, on the basis of said structure, can be used a set of duplicate control Program realizes the natural switching of two passages, and control is simple, stable, reliable, can when can avoid switch controller passage completely The failure that can be produced.
In addition, because crankshaft rotational speed sensor and cam phase sensor are arranged in the way of 180 ° of angles respectively, And two controllers can share same control program, Injection Control is realized, described two systems are separate, do not do mutually Influence is disturbed, normal operation that can be independent starts, and because two controllers share same control program reduction design Cost, reduces procedure quantity, also causes system operation more to stablize, reliably.
Brief description of the drawings
The mark in the content and figure of every width accompanying drawing expression in description of the invention is briefly described below:
Fig. 1 is the sensor arrangement schematic diagram of crankshaft signal wheel;
Fig. 2 is the sensor arrangement schematic diagram of cam signal wheel;
Mark in above-mentioned figure is:1st, crankshaft signal wheel;2nd, cam signal wheel;3rd, the first crankshaft rotational speed sensor;4、 First cam phase sensor;5th, the second crankshaft rotational speed sensor;6th, the second cam phase sensor.
Embodiment
As shown in figure 1, the first crankshaft rotational speed sensor 3 and the second crankshaft rotational speed sensor 5 share a crankshaft signal wheel 1, the center line of the first crankshaft rotational speed sensor 3 is along the first tooth center after the direction of rotation of crankshaft signal wheel 1 and the hypodontia of crankshaft signal wheel 1 Line is angled, and the center line of the second crankshaft rotational speed sensor 5 is sensed along the direction of rotation of crankshaft signal wheel 1 and the first speed of crankshaft The center line of device 3 is now just in compression top center into 180 ° of angles to the first cylinder of engine piston.
As shown in Fig. 2 the first cam phase sensor 4 and the second cam phase sensor 6 share a cam signal wheel 2, when the first cylinder of engine piston is in compression top center, the center line of the first cam phase sensor 4 rotates along cam signal wheel 2 Direction forms an angle with the multiple tooth edge of cam signal wheel 2, and the center line of the second cam phase sensor 6 revolves along cam signal wheel 2 Turn direction and the center line of the first cam phase sensor 4 into 180 ° of angles.
Due to same type of two sensors use same signal wheel, then on the engine space arrangement no longer by Strict limitation, while solving the problems, such as that now, two controllers can be shared because of the control strategy that collection signal errors is produced Same control program, realizes Injection Control, it is to avoid the problem of two controls are with two version controllers, not only reduces Design difficulty and workload, the software hazard also reduced.
180 ° of first crankshaft rotational speed sensor 3 and 5 relative position of the second crankshaft rotational speed sensor, the first cam phase sensing The relative position of 4 and second cam phase sensor of device 6 is also 180 °, when engine crankshaft rotation first lap, and the first bent axle turns Fast sensor 3 just can be synchronous with the second cam phase sensor 6, the second crankshaft rotational speed sensor 5 and the second cam phase Sensor 6 can not be synchronous, at this point it is possible to judge the first cylinder oil spout, when band engine crankshaft rotation second is enclosed to the 3rd circle, root Should be next cylinder oil spout according to the result that a circle judges in the first crankshaft rotational speed sensor 3 and the second cam phase sensor 6, and Now, the second crankshaft rotational speed sensor 5 just may determine that to differ 180 ° of ability of bent axle same with the second cam phase sensor 6 The information of step, is also to judge next cylinder oil spout, with being sentenced with the first crankshaft rotational speed sensor 3 and the first cam phase sensor 4 Disconnected result is consistent, when entering row of channels switching, is not in sentence the inconsistent situation for causing oil spout to continue of cylinder, power also will not There is larger fluctuation.
In a word, when engine is started, the tach signal and cam phase of crankshaft rotational speed sensor collecting crankshaft signal wheel 1 are passed through The phase signal of level sensor collection cam signal wheel 2 judges whether the synchronous and position with the first cylinder piston top dead center, carries out Judge Injection Control.After engine is once start, it can be carried out continuing oil spout according to the ignition order of design.Dual redundant is designed Crankshaft rotational speed sensor and cam phase sensor, can there is provided relatively independent rotating speed and phase when engine is started Signal, so that controller carries out independent sentencing cylinder;During normal working of engine, the lasting Injection Control step one of two passages Cause, so as to which the trouble-free operating of engine continuous in controller switching channel, can be controlled.
If for example, the oil spout order of engine is 1-4-3-2, engine is started during using A groups passage as input signal, when Cam signal wheel 2 is multiple tooth while the hypodontia of crankshaft signal wheel 1 passes through 3 one α angle of center line of the first crankshaft rotational speed sensor Edge pass through 6 one β angles of the second cam phase sensor, now the piston of the cylinder of engine first be in top dead center position, Controller controls the first cylinder oil spout, next, when crank rotation one is enclosed, controller controls the 4th cylinder oil spout, with turning for bent axle Dynamic, controller controls oil spout in order.At the same time, the sensor of B groups passage is also in collection signal, the phase that controller is also carried out Same calculating operation.After the first cylinder oil spout, crank rotation one is enclosed, and the second crankshaft rotational speed sensor 5 can run into hypodontia α angles The multiple tooth edge of cam signal wheel 2 is recognized by the second cam phase sensor 6 by the circle of bent axle one again after degree and has passed through the The β angles of two cam phase sensor 6, can sentence section according to control strategy and go out the 4th cylinder oil spout, just synchronous with A groups passage.With B groups When passage is that input signal starts engine, the 4th cylinder oil spout before this.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented not by aforesaid way Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing Enter and the design of the present invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.

Claims (4)

1. the redundant system of engine speed and phase detector, the output shaft of engine is believed provided with crankshaft signal wheel and cam Number wheel, system be provided with collecting crankshaft signal wheel signal the first crankshaft rotational speed sensor and the second crankshaft rotational speed sensor, and Gather the first cam phase sensor and the second cam phase sensor of cam signal wheel signal, it is characterised in that:
First crankshaft rotational speed sensor and the second crankshaft rotational speed sensor gather the signal of same crankshaft signal wheel, described First crankshaft rotational speed sensor center line is along crankshaft signal wheel direction of rotation and the second crankshaft rotational speed sensor center line into 180 ° Angle;
The first cam phase sensor and the second cam phase sensor gather the signal of same cam signal wheel, described First cam phase center sensor line is along cam signal wheel direction of rotation and the second cam phase center sensor line into 180 ° Angle.
2. the redundant system of engine speed according to claim 1 and phase detector, it is characterised in that:Described first Crankshaft rotational speed sensor and the first cam phase sensor output signal to the first controller, second crankshaft rotational speed sensor Second controller, the configuration processor of first controller and second controller are outputed signal to the second cam phase sensor It is identical.
3. the redundant system of engine speed according to claim 1 or 2 and phase detector, it is characterised in that:It is described First crankshaft rotational speed sensor and the second crankshaft rotational speed sensor and the first cam phase sensor and the second cam phase are passed The direction of sensor detection signal is consistent with crankshaft signal wheel, cam signal wheel direction of rotation respectively.
4. based on the control method of engine speed and the redundant system of phase detector described in claim 1-3, its feature exists In:
When engine is started, when the first crankshaft rotational speed sensor is synchronous with the first cam phase sensor, then judge that the first cylinder sprays Oil, if when 180 ° of the first crankshaft rotational speed sensor and the first cam phase sensor difference bent axle could be synchronous, under judgement One cylinder oil spout;
When engine is started, when the second crankshaft rotational speed sensor is synchronous with the second cam phase sensor, then judge that the first cylinder sprays Oil, if the second crankshaft rotational speed sensor is synchronous with the second cam phase sensor difference 180 ° of ability of bent axle, judges next Cylinder oil spout.
CN201710660990.5A 2017-08-04 2017-08-04 The redundant system and its control method of engine speed and phase detector Pending CN107288770A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826713A (en) * 2019-04-10 2019-05-31 广西玉柴机器股份有限公司 Cam shaft for diesel engine signal panels
CN110454291A (en) * 2019-08-28 2019-11-15 象限空间(天津)科技有限公司 Aviation piston engine double redundancy revolving speed acquires injection timing control system and method
CN113062813A (en) * 2021-04-02 2021-07-02 重庆红江机械有限责任公司 Phase redundancy fault-tolerant control system and method for diesel engine electronic injection system
WO2021232316A1 (en) * 2020-05-20 2021-11-25 华为技术有限公司 Redundant electronic control system and device
CN113719361A (en) * 2020-05-22 2021-11-30 纳博特斯克有限公司 Ship control device, ship control method, and computer-readable recording medium
CN114087082A (en) * 2021-11-30 2022-02-25 无锡威孚高科技集团股份有限公司 Redundant engine rotating speed control device and control method
CN114704682A (en) * 2022-03-31 2022-07-05 无锡威孚高科技集团股份有限公司 Electric control valve driving system and control method thereof
CN115163304A (en) * 2022-07-22 2022-10-11 一汽解放汽车有限公司 Engine cylinder judgment control system and cylinder judgment control method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10115248A (en) * 1996-10-09 1998-05-06 Nissan Motor Co Ltd Stability detection device for internal combustion engine
JP2001234794A (en) * 2000-02-22 2001-08-31 Unisia Jecs Corp Cylinder discrimination device of engine
CN101117921A (en) * 2006-08-02 2008-02-06 比亚迪股份有限公司 Air throttle position transducer of automobile engine control system and working method
CN101451449A (en) * 2007-12-07 2009-06-10 通用汽车环球科技运作公司 Adapter phasor control hold duty cycle system for an engine
US20120022762A1 (en) * 2010-07-16 2012-01-26 Rosero Carlos A Fault detection and response techniques
US8838367B1 (en) * 2013-03-12 2014-09-16 Mcalister Technologies, Llc Rotational sensor and controller
CN106593671A (en) * 2016-12-13 2017-04-26 安徽航瑞航空动力装备有限公司 ETPU-based four-cylinder diesel engine redundant fuel injection method
CN207080294U (en) * 2017-08-04 2018-03-09 芜湖钻石航空发动机有限公司 The redundant system of engine speed and phase detector

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10115248A (en) * 1996-10-09 1998-05-06 Nissan Motor Co Ltd Stability detection device for internal combustion engine
JP2001234794A (en) * 2000-02-22 2001-08-31 Unisia Jecs Corp Cylinder discrimination device of engine
CN101117921A (en) * 2006-08-02 2008-02-06 比亚迪股份有限公司 Air throttle position transducer of automobile engine control system and working method
CN101451449A (en) * 2007-12-07 2009-06-10 通用汽车环球科技运作公司 Adapter phasor control hold duty cycle system for an engine
US20120022762A1 (en) * 2010-07-16 2012-01-26 Rosero Carlos A Fault detection and response techniques
US8838367B1 (en) * 2013-03-12 2014-09-16 Mcalister Technologies, Llc Rotational sensor and controller
CN106593671A (en) * 2016-12-13 2017-04-26 安徽航瑞航空动力装备有限公司 ETPU-based four-cylinder diesel engine redundant fuel injection method
CN207080294U (en) * 2017-08-04 2018-03-09 芜湖钻石航空发动机有限公司 The redundant system of engine speed and phase detector

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826713A (en) * 2019-04-10 2019-05-31 广西玉柴机器股份有限公司 Cam shaft for diesel engine signal panels
CN110454291A (en) * 2019-08-28 2019-11-15 象限空间(天津)科技有限公司 Aviation piston engine double redundancy revolving speed acquires injection timing control system and method
WO2021232316A1 (en) * 2020-05-20 2021-11-25 华为技术有限公司 Redundant electronic control system and device
CN113719361A (en) * 2020-05-22 2021-11-30 纳博特斯克有限公司 Ship control device, ship control method, and computer-readable recording medium
CN113719361B (en) * 2020-05-22 2024-03-15 纳博特斯克有限公司 Ship control device, ship control method, and computer-readable recording medium
CN113062813A (en) * 2021-04-02 2021-07-02 重庆红江机械有限责任公司 Phase redundancy fault-tolerant control system and method for diesel engine electronic injection system
CN113062813B (en) * 2021-04-02 2022-08-16 重庆红江机械有限责任公司 Phase redundancy fault-tolerant control system and method for diesel engine electronic injection system
CN114087082A (en) * 2021-11-30 2022-02-25 无锡威孚高科技集团股份有限公司 Redundant engine rotating speed control device and control method
CN114087082B (en) * 2021-11-30 2024-01-05 无锡威孚高科技集团股份有限公司 Redundant engine speed control device and control method
CN114704682A (en) * 2022-03-31 2022-07-05 无锡威孚高科技集团股份有限公司 Electric control valve driving system and control method thereof
CN115163304A (en) * 2022-07-22 2022-10-11 一汽解放汽车有限公司 Engine cylinder judgment control system and cylinder judgment control method
CN115163304B (en) * 2022-07-22 2023-07-21 一汽解放汽车有限公司 Engine cylinder judging control system and cylinder judging control method

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