CN108313048A - A kind of power distribution method of heavy type hybrid vehicle multiple generator group - Google Patents

A kind of power distribution method of heavy type hybrid vehicle multiple generator group Download PDF

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Publication number
CN108313048A
CN108313048A CN201810104355.3A CN201810104355A CN108313048A CN 108313048 A CN108313048 A CN 108313048A CN 201810104355 A CN201810104355 A CN 201810104355A CN 108313048 A CN108313048 A CN 108313048A
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CN
China
Prior art keywords
power
generating set
hybrid vehicle
generator group
distribution method
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Pending
Application number
CN201810104355.3A
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Chinese (zh)
Inventor
骆志伟
赵志刚
宫佳鹏
何刚
胡小龙
杨松檏
杨波
张尧
付进军
赵晶
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China Academy of Launch Vehicle Technology CALT
Beijing Institute of Space Launch Technology
Original Assignee
China Academy of Launch Vehicle Technology CALT
Beijing Institute of Space Launch Technology
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Priority to CN201810104355.3A priority Critical patent/CN108313048A/en
Publication of CN108313048A publication Critical patent/CN108313048A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/20—Control strategies involving selection of hybrid configuration, e.g. selection between series or parallel configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/08—Electric propulsion units
    • B60W2710/086—Power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Abstract

The invention discloses a kind of power distribution methods of heavy hybrid vehicle multiple generator group, including：Step 1, it is based on full-load power and the first power and the second power is set；Step 2, the driving power of vehicle demand is obtained in real time in vehicle travel process；Step 3, if the power of driving power≤first, thens follow the steps 4；If the power of the first power ＜ driving powers≤second, thens follow the steps 5；Step 4, the shortest generating set of cumulative operation time is enabled to be in power generation operation state, return to step 2；Step 5, at least two generating sets in addition to the longest generating set of cumulative operation time are enabled to be in power generation operation state, return to step 2.Power distribution problems when working together present invention efficiently solves multiple generator group, multiple generator group is divided in such a way that power section and cumulative operation time combine, makes specified generating set output power, so the present invention greatly improves the service life of generating set.

Description

A kind of power distribution method of heavy type hybrid vehicle multiple generator group
Technical field
The present invention relates to heavy hybrid vehicle multiple generator group control technology fields, specifically for, the present invention For a kind of power distribution method of heavy hybrid vehicle multiple generator group.
Background technology
Currently, heavy hybrid vehicle is often larger to the demand of power in the process of moving, single generator group is not Enough energy are enough to provide, so needing to be equipped with more generating sets for heavy hybrid vehicle.In order to make power reach Heavy hybrid vehicle demand, the case where avoiding being short of power, the prior art often enables all generating sets of vehicle configuration It is in operating mode simultaneously；But this mode makes all generating sets all work, it is excessive to cluster engine autophage, The generating set service life is highly shortened, the maintenance, repair cost of heavy hybrid vehicle energy resource system is improved.
Therefore, under the premise of ensureing heavy hybrid vehicle power demand, how effectively to multiple generator Group carries out power distribution, reduces to the consumption of cluster engine itself, improves the generating set service life, becomes those skilled in the art Technical problem urgently to be resolved hurrily and the emphasis studied always.
Invention content
In order to solve cluster engine existing for the ordinary power distribution method of heavy hybrid vehicle multiple generator group certainly The problems such as body consumption excessive, generating set life consumption, it is multiple that the present invention innovatively provides a kind of heavy hybrid vehicle The power distribution method of motor group, while being divided from power section and specifying appropriate number of target with two angles of cumulative operation time Generating set works, to reach solve heavy hybrid vehicle energy waste, individual generating sets overuse the problems such as Purpose.
For the technical purpose for realizing above-mentioned, the invention discloses a kind of power of heavy hybrid vehicle multiple generator group Distribution method, the power distribution method include the following steps；
Step 1, the first power and the is respectively set based on the full-load power in the full-load power for reading separate unit generating set Two power；Wherein, first power is less than the full-load power, and second power is more than the full-load power, the heavy type Each generating set specification having the same of hybrid vehicle, and more generating set parallel operations；
Step 2, during heavy hybrid car travel, the driving power of vehicle demand is obtained in real time；
Step 3, the driving power is compared with the first power, the second power respectively：If driving power≤the One power, thens follow the steps 4；If the power of the first power ＜ driving powers≤second, thens follow the steps 5；
Step 4, the cumulative operation time for obtaining each generating set, by the shortest generating set of cumulative operation time As the first generating set, first generating set is then enabled to be in power generation operation state, enable first generating set with Outer generating set is in idling work state, return to step 2；
Step 5, the cumulative operation time for obtaining each generating set, by the longest generating set of cumulative operation time As the second generating set, at least two generating sets in addition to second generating set is then enabled to be in power generation operation shape State is enabled except the generating set in power generation operation state is in idling work state, return to step 2.
Based on above-mentioned technical solution, heavy type hybrid vehicle multiple generator group of the present invention can drive according to vehicle It moves power demand size and power section is used to be grouped operational mode, different capacity section corresponds to different generating set work numbers, The phenomenon that avoiding energy waste or being short of power；And the practical power generation for carrying out power generation operation is determined according to cumulative operation time Unit keeps each generating set working time uniform, avoids separate unit generating set due to the use of excessively causing its service life quick The problem of die-offing；To which the present invention can effectively solve problems existing in the prior art.
Further, in step 1, the first power=(2/3) × full-load power, the second power=(4/3) × full-load power.
Further, which further includes step 6；
In step 1, generating set of the heavy type hybrid vehicle equipped with three same sizes；
In step 3, if the second power of driving power ＞, thens follow the steps 6；
Step 6, three generating sets is enabled to be in power generation operation state, return to step 2.
Based on above-mentioned improved technical solution, the present invention is realized carries out power distribution by three generating sets of power section pair, On the basis of ensureing heavy hybrid vehicle multiple generator group power demand, it is reasonably determined the real-time working of generating set Quantity and which platform generating set carry out power generation operation and improve the service life of generating set to be effectively protected generating set.
Further, in step 5, two generating sets in addition to second generating set is enabled to be in power generation operation shape State, second generator are in idling work state.
Further, in step 4, two generating sets in addition to first generating set is enabled to be in idling work shape State.
Further, make the generating set under idling work state that there is fixed rotating speed, not external output power.
Further, make the peak power output that the generating set under idling work state provides fully loaded not less than described The 25% of power.
Based on above-mentioned improved technical solution, the present invention can be such that the generating set under idling work state locates rapidly In power generation operation state, to meet the needs of cluster engine state dynamic translation, heavy hybrid vehicle power source is made to supply It should be continuous, uninterrupted.
Further, the rotating speed of the generating set under power generation operation state is made to change with the variation of load, and its is right Outer output power.
Beneficial effects of the present invention are：The present invention provides a kind of power point of heavy hybrid vehicle multiple generator group With strategy, power distribution problems when multiple extended-range generating set associated working are not only efficiently solved, but also use work( The mode that rate section and cumulative operation time combine divides multiple generator group, makes specified generating set output power, so The present invention greatly improves the service life of generating set, makes more generating sets that can be on active service according to projected life, effectively subtracts Lack the maintenance frequency of heavy hybrid vehicle multiple generator group and replaced number, greatly reduces maintenance and maintenance cost, Significantly improve the reliability and stability of heavy hybrid vehicle multiple generator group work.
Description of the drawings
Fig. 1 is a kind of flow diagram of the power distribution method of heavy hybrid vehicle multiple generator group.
Fig. 2 is the flow diagram of the power distribution method of three generating sets.
Specific implementation mode
The power distribution side of heavy hybrid vehicle multiple generator group a kind of to the present invention with reference to the accompanying drawings of the specification Method carries out detailed explanation and illustration.
As shown in Figure 1, 2, in conjunction with the framework and work characteristics of heavy hybrid vehicle energy resource system, the present invention provides A kind of power distribution strategies of heavy type hybrid vehicle multiple generator group, it is contemplated that the service life of generating set and wanting for economy It asks, the output power of more generating sets is dynamically distributed；The present embodiment specifically discloses a kind of heavy hybrid power The power distribution method of vehicle multiple generator group, the power distribution method specifically comprise the following steps.
Step 1, the full-load power P of separate unit generating set is readIt is fully loaded, the first power and are respectively set based on full-load power Two power；Wherein, the first power be less than full-load power, the second power be more than full-load power, the heavy type hybrid vehicle it is each Platform generating set specification having the same, and more generating set parallel operations；The generating set that the present embodiment is related to can be Extended-range generating set, the heavy type hybrid vehicle equipped with three same sizes generating set, in the present embodiment, on State the first power=(2/3) × full-load power, the second power=(4/3) × full-load power.When it is implemented, vehicle can be passed through Controller reads the full-load power value of generating set, or reads the full-load power value having been stored in memory, to reach Obtain full-load power PIt is fully loadedPurpose.
Step 2, during heavy hybrid car travel, the driving power P of vehicle demand is obtained in real timeDriving.Specifically When implementation, current vehicle travel situations can also be detected by vehicle control device, is needed to reach acquisition vehicle in real time The driving power P askedDrivingPurpose.
Step 3, driving power is compared with the first power, the second power respectively：
If the power of driving power≤first, i.e. PDriving≤(2/3)PIt is fully loaded；Then follow the steps 4；
If the power of the first power ＜ driving powers≤second, i.e. (2/3) × PIt is fully loaded＜ PDriving≤(4/3)×PIt is fully loaded；Then execute Step 5；
If the second power of driving power ＞, i.e. PDriving＞ (4/3) × PIt is fully loaded；Then follow the steps 6；
Step 4, each generating set of the present invention has cumulative operation time computing function, obtains each generating set Cumulative operation time (operation duration), by the most short (T of cumulative operation timeWork min) a generating set as first hair Then motor group enables the first generating set be in power generation operation state, then the generating set other than the first generating set is enabled to be in Idling work state achievees the purpose that specified generating set work, in the present embodiment, for configuring the weight of three generating sets Type hybrid vehicle enables two generating sets in addition to the first generating set be in idling work state；It is then back to step Rapid 2；
Step 5, each generating set of the present invention has cumulative operation time computing function, obtains each generating set Cumulative operation time (operation duration), by cumulative operation time longest (TWork max) a generating set as second hair Then motor group enables at least two generating sets in addition to the second generating set be in power generation operation state, make specified power generation Unit works, at this point, the specific number of " at least two " is to be equipped with generating set number and real-time requirement according to vehicle in practice Power and determination, be that two generating sets in three are in power generation operation state in the present embodiment；It enables except in power generation work The generating set for making state is in idling work state, dynamic for the heavy mixing of three generating sets of configuration in the present embodiment Power vehicle enables two generating sets in addition to the second generating set be in power generation operation state, and the second generator is in idling Working condition；It is then back to step 2.
Step 6, three generating sets is enabled to be in power generation operation state, return to step 2.It is opened in heavy hybrid vehicle After dynamic, the above-mentioned circulation step since step 2 executes repeatedly, and above-mentioned circulation step is just stopped after only closing cluster engine Only.
In addition, it is necessary to which explanation, as described above, heavy type hybrid vehicle generating set of the present invention have Two kinds of operating modes：Idling work pattern (or being known as " high idle speed operating mode ") and power generation mode.
High idle speed operating mode：Although generating set has been started up, the generating set under idling work state is made to have There are fixed rotating speed (fixed idling point), not external output power, and the generating set under idling work state is made to provide Peak power output is not less than the 25% of full-load power.
Power generation mode：Generating set starts, and makes the rotating speed of generating set under power generation operation state with the change of load Change and change, and its external output power.
In the present embodiment, above-mentioned two kinds of operating modes in the process of moving can according to judgment rule dynamic translation, Keep heavy hybrid vehicle power source supply continuous, uninterrupted.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or the quantity of indicated technical characteristic, such as " the first cluster engine " mentioned above of the invention are implicitly indicated, refer to： Sometime descend that shortest cluster engine of cumulative operation time；Similarly, above-mentioned " the second cluster engine ", " the first power ", " the second power " is also to be set only for describing and distinguishing." first " is defined as a result, the feature of " second " can be expressed Or implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two It is a, three etc., unless otherwise specifically defined.
In the description of this specification, reference term " the present embodiment ", " one embodiment ", " some embodiments ", " show The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure, Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown The statement of meaning property is necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the spy of description Point may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, Those skilled in the art can be by different embodiments or examples described in this specification and different embodiments or examples Feature is combined.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Any modification, equivalent replacement and simple modifications etc., should all be included in the protection scope of the present invention made by content.

Claims (8)

1. a kind of power distribution method of heavy type hybrid vehicle multiple generator group, it is characterised in that：The power distribution method Include the following steps；
Step 1, the full-load power for reading separate unit generating set, the first power and the second work(are respectively set based on the full-load power Rate；Wherein, first power is less than the full-load power, and second power is more than the full-load power, heavy type mixing Each generating set specification having the same of power car, and more generating set parallel operations；
Step 2, during heavy hybrid car travel, the driving power of vehicle demand is obtained in real time；
Step 3, the driving power is compared with the first power, the second power respectively：If the work(of driving power≤first Rate thens follow the steps 4；If the power of the first power ＜ driving powers≤second, thens follow the steps 5；
Step 4, obtain each generating set cumulative operation time, using the shortest generating set of cumulative operation time as Then first generating set enables first generating set be in power generation operation state, enable other than first generating set Generating set is in idling work state, return to step 2；
Step 5, obtain each generating set cumulative operation time, using the longest generating set of cumulative operation time as Then second generating set enables at least two generating sets in addition to second generating set be in power generation operation state, It enables except the generating set in power generation operation state is in idling work state, return to step 2.
2. the power distribution method of heavy type hybrid vehicle multiple generator group according to claim 1, it is characterised in that：
In step 1, the first power=(2/3) × full-load power, the second power=(4/3) × full-load power.
3. the power distribution method of heavy type hybrid vehicle multiple generator group according to claim 2, it is characterised in that： The power distribution method further includes step 6；
In step 1, generating set of the heavy type hybrid vehicle equipped with three same sizes；
In step 3, if the second power of driving power ＞, thens follow the steps 6；
Step 6, three generating sets is enabled to be in power generation operation state, return to step 2.
4. the power distribution method of heavy type hybrid vehicle multiple generator group according to claim 3, it is characterised in that：
In step 5, two generating sets in addition to second generating set is enabled to be in power generation operation state, second hair Motor is in idling work state.
5. the power distribution method of heavy type hybrid vehicle multiple generator group according to claim 4, it is characterised in that：
In step 4, two generating sets in addition to first generating set is enabled to be in idling work state.
6. the power distribution method of heavy hybrid vehicle multiple generator group, feature exist according to claim 1 or 5 In：Make the generating set under idling work state that there is fixed rotating speed, not external output power.
7. the power distribution method of heavy type hybrid vehicle multiple generator group according to claim 6, it is characterised in that： The peak power output that the generating set under idling work state provides is set to be not less than the 25% of the full-load power.
8. the power distribution method of heavy type hybrid vehicle multiple generator group according to claim 1 or claim 7, feature exist In：The rotating speed of the generating set under power generation operation state is set to change with the variation of load, and its external output power.
CN201810104355.3A 2018-02-02 2018-02-02 A kind of power distribution method of heavy type hybrid vehicle multiple generator group Pending CN108313048A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113359449A (en) * 2021-06-04 2021-09-07 西安交通大学 Aeroengine double-parameter index degradation maintenance method based on reinforcement learning

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CN113359449B (en) * 2021-06-04 2023-01-03 西安交通大学 Aeroengine double-parameter index degradation maintenance method based on reinforcement learning

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