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 PDFInfo
- 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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- sensor
- rotational speed
- crankshaft
- cam
- signal
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- 238000000034 method Methods 0.000 title claims description 6
- 239000010727 cylinder oil Substances 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 2
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 206010055001 Hypodontia Diseases 0.000 description 3
- 206010002583 anodontia Diseases 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005213 hypodontia Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 201000006680 tooth agenesis Diseases 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000000133 brain stem Anatomy 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3064—Controlling fuel injection according to or using specific or several modes of combustion with special control during transition between modes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
Landscapes
- 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
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.
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Cited By (8)
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 |
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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 |
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Cited By (12)
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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