CN109774540A - Dynamical system control method, computer equipment and the storage medium of fuel-cell vehicle - Google Patents
Dynamical system control method, computer equipment and the storage medium of fuel-cell vehicle Download PDFInfo
- Publication number
- CN109774540A CN109774540A CN201811646735.6A CN201811646735A CN109774540A CN 109774540 A CN109774540 A CN 109774540A CN 201811646735 A CN201811646735 A CN 201811646735A CN 109774540 A CN109774540 A CN 109774540A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- power
- power battery
- charge
- state
- 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.)
- Granted
Links
Classifications
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/40—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
This application involves dynamical system control method, computer equipment and the storage mediums of a kind of fuel-cell vehicle, if the state-of-charge of the power battery is in the pre-set interval, are closed the contactor, the fuel cell is the load supplying.If the state-of-charge is not belonging to the pre-set interval, when the state-of-charge is greater than the upper limit value of the pre-set interval, the contactor is disconnected；When the state-of-charge is less than the lower limit value of the pre-set interval, the contactor is disconnected.When the state-of-charge of power battery is in pre-set interval, the fuel cell works in its rated power, the rated output voltage of the fuel cell can satisfy the voltage of the bus, the contactor thus can be closed by the transformer short-circuit, the fuel cell is directly the load supplying by the bus, the transformer can be effectively reduced and access loss caused by circuit always, improve the generating efficiency of the fuel cell, save electric energy.
Description
Technical field
This application involves hydrogen fuel cell technical field of hybrid power, more particularly to a kind of power of fuel-cell vehicle
System control method, computer equipment and storage medium.
Background technique
Hydrogen fuel cell be it is a kind of without burning directly in a manner of electrochemical reaction, the oxygen in hydrogen and air is anti-
The chemical energy that should be generated is converted into the power generator of direct current energy, and reaction product only has heat and water, will not discharge pollution
Object.Hydrogen fuel cell is only supplied hydrogen and air and can continuously be produced electricl energy, and has high-efficient, noiseless, without dirt
The advantages of dye, thus there is huge application potential in traffic and transport field.
Existing fuel-cell vehicle generallys use the mode that hydrogen fuel cell and power battery combine, due to fuel cell
It can only produce electricl energy and electric energy cannot be stored, can use power battery and store electric energy again for subsequent use.Fuel electricity
It is that power drive system and automobile assembly are powered that pond, which can also generate electricity through bus,.But traditional fuel battery voltage is lower than total
Line voltage, thus need transformer improve fuel cell output voltage, then by the bus be power drive system and automobile
Assembly power supply.Transformer is a kind of principle using electromagnetic induction to change the device of voltage, and main member is primary coil, secondary
Grade coil and iron core.The loss that transformer generates at work is mainly from iron loss and copper loss.Iron loss is since primary coil is logical
After electricity, the magnetic flux of generation is flowed in iron core, because iron core itself is also conductor, will be incuded in the plane perpendicular to the magnetic line of force
Potential forms closed circuit on the section of iron core and generates vortex, causes to be lost.Copper loss is since primary coil, secondary is made
The resistance of the copper conductor of grade coil can generate heat, cause to be lost.Due to the presence of transformer iron loss and copper loss, transformer access
Afterwards, the electricity that the big lossy fuel cell of meeting generates, causes waste of energy, reduces the power supply efficiency of fuel cell.
Summary of the invention
Based on this, it is necessary to aiming at the problem that transformer loss electricity being series between fuel cell and bus, provide
A kind of dynamical system control method, computer equipment and the storage medium of fuel-cell vehicle.
A kind of fuel-cell vehicle dynamical system control method, the fuel-cell vehicle dynamical system includes power electric
Pond, fuel cell, transformer and contactor, the fuel cell be used for by the transformer and bus respectively with bear
It carries and power battery electrical connection, the power battery is used to generate to the load supplying and the storage fuel cell
Electric energy, the contactor is parallel to the both ends of the transformer, which comprises
S10: whether the state-of-charge for detecting power battery is in pre-set interval；
If the state-of-charge of the power battery is in the pre-set interval, S20 is executed,
S20: being closed the contactor, and the fuel cell is the load supplying；
If the state-of-charge is not belonging to the pre-set interval, execute
S310: when the state-of-charge is greater than the upper limit value of the pre-set interval, the power battery is to the load
Electric discharge, disconnects the contactor；
S320: when the state-of-charge is less than the lower limit value of the pre-set interval, the fuel cell is to the power
Battery charging, disconnects the contactor.
In one embodiment, after the step S20 further include:
S210: the state-of-charge of the power battery is kept to be in the pre-set interval.
In one embodiment, before the step S210 further include:
S211: the demand general power of the load and the rated power of the fuel cell；
If the demand general power of the load is greater than the rated power of the fuel cell, the power battery is to described
Load discharge；
If the demand general power of the load is less than the rated power of the fuel cell, the fuel cell is described
Power battery charging.
In one embodiment, the step S210 further include:
S211: when lower limit value of the state-of-charge of the power battery close to the pre-set interval, the fuel cell
For the power battery charging, so that the state-of-charge of the power battery maintains the pre-set interval.
In one embodiment, the step S210 further include:
S212: when upper limit value of the state-of-charge of the power battery close to the pre-set interval, the power battery
To the load discharge, so that the state-of-charge of the power battery maintains the pre-set interval.
In one embodiment, the step S200 further includes that the fuel electricity is adjusted according to the loading demand general power
The power in pond.
In one embodiment, before the step S10, further includes:
S110: judge whether the vehicle is driving condition；
If it is not, then disconnecting the contactor；
If so, executing the step S10.
In one embodiment, after the step S110 further include:
S120: judge whether the vehicle is high speed steady working condition；
If so, executing the step S10；
If it is not, then disconnecting the contactor.
A kind of computer equipment, including memory and processor are stored with and can be run on a processor on the memory
Computer program, the processor any one of realizes the method when executing computer program the step of.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
The step of any one the method is realized when row.
Dynamical system control method, computer equipment and the storage medium of above-mentioned fuel-cell vehicle, can detecte power
Whether the state-of-charge of battery is in pre-set interval, if the state-of-charge of the power battery is in the pre-set interval, closes
The contactor is closed, the fuel cell is the load supplying.If the state-of-charge is not belonging to the pre-set interval, work as institute
When stating upper limit value of the state-of-charge greater than the pre-set interval, the power battery disconnects the contact to the load discharge
Device；When the state-of-charge is less than the lower limit value of the pre-set interval, power battery charging described in the fuel cell is disconnected
The contactor.When the state-of-charge of power battery is in pre-set interval, the fuel cell works in its rated power, institute
The rated output voltage for stating fuel cell can satisfy the voltage of the bus, thus can be closed the contactor for the change
Depressor short circuit, the fuel cell is directly the load supplying by the bus, and the transformer one can be effectively reduced
Directly enter loss caused by circuit, improve the generating efficiency of the fuel cell, saves electric energy.
Detailed description of the invention
Fig. 1 is the fuel-cell vehicle dynamical system schematic diagram according to one embodiment of the application；
Fig. 2 is the fuel-cell vehicle dynamical system control method flow chart according to one embodiment of the application；
Fig. 3 is energy stream cardon when being closed according to the fuel-cell vehicle dynamical system contactor of one embodiment of the application；
Fig. 4 is energy stream cardon when being disconnected according to the fuel-cell vehicle dynamical system contactor of one embodiment of the application；
Fig. 5 is the fuel cell and power battery corresponding relationship according to one embodiment of the application；
Fig. 6 is the fuel-cell vehicle dynamical system control method flow chart according to another embodiment of the application；
Fig. 7 is the fuel-cell vehicle dynamical system control method flow chart according to the application another embodiment；
Fig. 8 is the control method stream being closed after contactor according to the fuel-cell vehicle dynamical system of one embodiment of the application
Cheng Tu.
Drawing reference numeral explanation:
Fuel-cell vehicle dynamical system 10
Fuel-cell vehicle dynamical system control method 20
Power battery 110
Fuel cell 120
Transformer 130
Contactor 140
Load 150
Automobile assembly 151
Power drive system 152
Bus 160
Specific embodiment
This application provides a kind of fuel-cell vehicle dynamical system control methods 20, suitable for fuel as shown in Figure 1
Fuel cell vehicle dynamical system 10.The fuel-cell vehicle dynamical system 10 includes power battery 110, fuel cell 120, transformation
Device 130 and contactor 140.The fuel cell 120 by the transformer 130 and bus 160 respectively with the load
150 and the power battery 110 be electrically connected.The fuel cell 120 can be distinguished by transformer 130 and bus 160
It powers for the load 150 and/or the power battery 110.The power battery 110 is used for through the bus 160 to institute
State 150 power supply of load.The power battery 110 can also store the electric energy that the fuel cell 120 generates.The contactor
140 are parallel to the both ends of the transformer 130.The transformer 130 can be 120 boost or depressurization of fuel cell.It answers
Understand, the load 150 includes power drive system 152 and automobile assembly 151.The power drive system 152 may include electricity
Motivation, motor controller and transmission mechanism, for driving vehicle driving.In one embodiment, the transformer 130 passes through
Bus 160 is connected with the load 150.In the present embodiment, the fuel cell 120 is high power fuel cell, when described
For fuel cell 120 when its rated power works, the voltage of the fuel cell 120 can satisfy 160 voltage of bus.?
In one embodiment, the fuel-cell vehicle dynamical system 10 is main power source with fuel cell 120, the power battery
110 be auxiliary power source.When the dynamic property demand of vehicle is larger, for instance in starting, acceleration or climbing operating condition, the fuel
Battery 120 can power together for the vehicle load 150 with the power battery 110.In the dynamic property demand of the vehicle
When smaller, for instance in braking, deceleration or damped condition, the fuel cell 120 can charge for the power battery 110.
When the vehicle, which is in, stablizes driving cycle, can be powered by fuel cell 120.Refer to Fig. 2, the fuel-cell vehicle
Dynamical system control method 20 includes:
Whether the state-of-charge of S10, detection power battery 110 are in pre-set interval；
S20 is closed the contactor 140 if the state-of-charge of the power battery 110 is in the pre-set interval,
The fuel cell 120 is 150 power supply of load；
S30, if the state-of-charge is not belonging to the pre-set interval,
S310, when the state-of-charge is greater than the upper limit value of the pre-set interval, the power battery 110 is born to described
When carrying 150 electric discharge, the contactor 140 is disconnected；
S320, when the state-of-charge is less than the lower limit value of the pre-set interval, power described in the fuel cell 120
Battery 110 charges, and disconnects the contactor 140.
Fig. 3 is referred to, the energy stream cardon when contactor 140 closure is shown.As shown, the contactor
140 closures, by 130 short circuit of the transformer, the fuel cell 120 can directly power for the load 150 and to institute
State the charging of power battery 110.150 power supply of the power battery 110 or the load.
Fig. 4 is referred to, the energy stream cardon when contactor 140 disconnects is shown.As shown, the contactor
140 disconnect, and the transformer 130 accesses circuit, and the fuel cell 120 is that the load 150 supplies by the transformer 130
Electricity and to the power battery 110 charge.150 power supply of the power battery 110 or the load.
In the above-described embodiments, the pre-set interval is from oneself of the power battery 110 and the fuel cell 120
It is in harmony matching properties.Fig. 5 is referred to, the VA characteristic curve of the fuel cell 120 and opening for the power battery 110 are shown
Road voltage (OCV)-state-of-charge (SOC) characteristic corresponding relationship.State-of-charge be indicate the remaining capacity of battery with
The ratio of its fully charged state state capacity, commonly using percentage indicates.The value of state-of-charge is 0-100%, when charged shape
State indicates that the electric power storage tank discharge is complete when being 0；Indicate that the battery is completely filled with when state-of-charge is 100%.In a reality
It applies in example, as shown in figure 5, the fuel cell 120 is in voltage rating when the fuel cell 120 is in rated power,
The SOC that the voltage rating corresponds to the power battery 110 is in the section a%-b%.That is setting a%-b% is as described dynamic
The pre-set interval of 110 state-of-charge of power battery, a% are the lower limit value of the pre-set interval, and b% is the upper limit of the pre-set interval
Value.The pre-set interval of 110 state-of-charge of power battery, the rated power corresponding to the fuel cell 120.Due to described
Fuel cell 120 used in the dynamical system of 120 automobile of fuel cell is high power battery, at the fuel cell 120
When the voltage rating, the voltage of the fuel cell 120 can satisfy 160 voltage of bus, because without described in
Transformer 130 pressurizes, and can be directly 150 power supply of load by bus 160.It should be understood that in order to open power battery 110
Road voltage and 120 voltage of fuel cell are close, and the state-of-charge of the power battery 110 should be in pre-set interval.It is described
The preset range of power battery 110 should be relatively wide, and the 150 changed power range of load for making it possible to adaptation is bigger.At one
In embodiment, OCV (open-circuit voltage)-SOC (state-of-charge) characteristic curve of the power battery 110 is than the fuel cell
120 U-I characteristic curve is more gentle, so that when the fuel cell 120 is in rated power, the power battery
110 have wider array of adjusting nargin, to use the variation of 150 (especially automobile assembly 151) power demands of load.
Refer to the I-U characteristic curve of fuel cell 120 in Fig. 5, it should be appreciated that the declared working condition of the fuel cell 120
For its peak power output in normal conditions.That is, in normal conditions, when the output pressure of the fuel cell 120 exists
When in its range of nominal tension, the output power of the fuel cell 120 is maximum, is its rated power.When the fuel cell
Output voltage be higher or lower than its range of nominal tension when, output power is all lower than its rated power.But the fuel electricity
The maximum power in pond is not limited to the rated power.
Fuel-cell vehicle dynamical system control method 20 provided by the present application, when the state-of-charge is in described default
When section, show that the fuel cell 120 is in rated power.As previously described, because fuel cell 120 used herein
For high power fuel cell, when the fuel cell 120 is in rated power, the voltage rating of the fuel cell 120 can
To meet 160 voltage of bus, without pressurization.It thus can be closed the contactor 140, the transformer 130 is short-circuit,
It accesses circuit always so as to avoid the transformer 130 and causes kwh loss, reduce the generating efficiency of fuel cell 120, have
Effect avoids waste of energy.
When the state-of-charge of the power battery 110 is lower than the lower limit value of the pre-set interval, the power battery 110
Remaining capacity it is too low, the potential difference of the fuel cell 120 and the power battery 110 is big, and the fuel cell 120 is institute
The charging of power battery 110 is stated, so that the state-of-charge of the power battery 110 is restored to the pre-set interval, protects power electric
Pond.
Fig. 5 is referred to, it is described when the state-of-charge of the power battery 110 is lower than the lower limit value of the pre-set interval
The output voltage of fuel cell 120 is greater than its voltage rating, and the output power of the fuel cell 120 is less than its rated power.
The output voltage of the fuel cell 130 is higher than 160 voltage of bus at this time, thus needs to disconnect the contactor 140, makes
It obtains the transformer 130 and accesses circuit.The output voltage of the fuel cell 120 can be reduced to institute by the transformer 130
State bus voltage.The low battery of the power battery 110, thus the fuel cell 120 is that the power battery 110 fills
Electricity, to restore its state-of-charge.During the fuel cell 120 is that the power battery 110 charges, the power electric
The state-of-charge in pond 110 increases, and open-circuit voltage reduces, so that 160 voltage of the bus also slightly reduces, thus needs to keep
The contactor 140 disconnects, and the transformer 130 is kept to access circuit always as the fuel cell 120 decompression.For supplement institute
Power battery 110 is stated, the demand electricity of the fuel cell 120 becomes larger, thus controls the output power of the fuel cell 120
Increase.When the state-of-charge of the power battery 110 is restored to the pre-set interval, the output work of the fuel cell 120
Rate increases to its rated power.
When the upper limit value of the high pre-set interval of the state-of-charge of the power battery 110, as shown in figure 5, institute at this time
The output voltage of fuel cell 120 is stated lower than the voltage rating, that is, is lower than 160 voltage of bus, thus needs to disconnect institute
Contactor 140 is stated, so that the transformer 130 accesses circuit, the output voltage of the fuel cell 120 passes through the transformer
130 are increased to equal to 160 voltage of bus, and then the fuel cell 120 passes through the transformer 130 and the bus
160 be 150 power supply of load.It should be understood that the output power of the fuel cell 120 is lower than rated power at this time.It is described dynamic
The electricity of power battery 110 is excessively high and is discharged by the bus 160 to the load 150, its state-of-charge is restored to pre-
If in range, protecting the power battery 110.The process that the electricity of the power battery 110 is excessively high and discharges to bus 160
In, the state-of-charge of the power battery 110 reduces, and open-circuit voltage increases, and can clamp down on the output of the fuel cell 120
The operating power of power, fuel cell 120 further decreases, and is in the small-power stage.When the charged shape of the power battery 110
When state is restored to the pre-set interval, the output power for controlling the fuel cell 120 increases to its rated power.
Fig. 6 is referred to, in one embodiment, it further includes later S210 that the step S20, which is closed the contactor 140:
The state-of-charge of the power battery 110 is kept to be in the pre-set interval.In the present embodiment, when the power battery 110
State-of-charge be in the pre-set interval, the contactor 140 is closed, by 130 short circuit of the transformer, the fuel cell
120 be directly 150 power supply of load by bus 160.The state-of-charge of the power battery 110 is kept to be in described pre- again
If section, it may further ensure that the stability that the fuel cell 120 is powered, the fuel cell 120 continued
Ground is directly 150 power supply of load.
Fig. 7 is referred to, in one embodiment, before the step S210 further include:
S200: the demand general power of the load 150 and the rated power of the fuel cell 120；
If the demand general power of the load 150 is greater than the rated power of the fuel cell 120, the power battery
110 discharge to the load 150.
In one embodiment, the step S210 further includes S211: when the state-of-charge of the power battery is close to institute
When stating the lower limit value of pre-set interval, the fuel cell is the power battery charging, so that the charged shape of the power battery
State maintains the pre-set interval.
Fig. 8 is referred to, in one embodiment, the step S200 further includes adjusting according to the loading demand general power
The power of the fuel cell.
In the above-described embodiments, the state-of-charge of the power battery 110 is in the pre-set interval, i.e., the described fuel electricity
Pond 120 is in the work of its rated power, i.e., the output voltage of the described fuel cell 120 is in its voltage rating.The fuel electricity
The voltage that pond 120 exports can satisfy 160 voltage of bus.If when the demand general power of the load 150 is greater than institute
When stating the rated power of fuel cell 120, the power battery 110 is to 150 electric discharge of load to meet the load 150
Demand.During the power battery 110 electric discharge, state-of-charge reduces (but being not less than preset range lower limit value).This
When, since the state-of-charge of the power battery 110 is still in its preset range, the corresponding fuel cell 120 is in
The output voltage of its rated power, the fuel cell 120 can satisfy bus voltage, thus can keep the contactor
140 closures, not by the transformer 130, the fuel cell 120 is directly supplied by the bus 160 to the load 150
Electricity.
When lower limit value of the state-of-charge of the power battery 110 close to the pre-set interval, the fuel cell 120
It charges for the power battery 110, so that the state-of-charge of the power battery 110 maintains the pre-set interval, to prevent
Protect the power battery 110.In one embodiment, if the demand general power of the load 150 is still greater than the combustion at this time
Expect battery 120 output power, can according to the output power of the slightly turned up fuel cell 120 of the demand general power,
To meet the demand general power.
In one embodiment, the state-of-charge of the power battery 110 can be 30%-70%, when the power electric
When the state-of-charge in pond 110 reaches 35%, the fuel cell 120 can charge to the power battery 110, by the power
The state-of-charge of battery 110 is maintained in the preset range, far from lower limit critical value.So that the lotus of the power battery 110
Electricity condition will not be too low, to protect the power battery 110, prevents its over-discharge.
In one embodiment, before the step S210 further include:
S200: the demand general power of the load 150 and the rated power of the fuel cell 120；
If the demand general power of the load 150 is less than the rated power of the fuel cell 120, the fuel cell
120 charge for the power battery 110.
In one embodiment, the step S210 further comprises working as S212: the state-of-charge of the power battery 110
Close to the pre-set interval upper limit value when, the power battery 110 to it is described load 150 electric discharge so that the power battery
110 state-of-charge maintains the pre-set interval.
Fig. 8 is referred to, in one embodiment, the step S200 further includes adjusting according to the loading demand general power
The power of the fuel cell.
In the above-described embodiments, the state-of-charge of the power battery 110 is in the pre-set interval, i.e., the described fuel electricity
Pond 120 is in the work of its rated power.The output power of the fuel cell 120 is its rated power, i.e., the described fuel cell
120 output voltage is in its voltage rating.The voltage that the fuel cell 120 exports can satisfy 160 voltage of bus.
If when the demand general power of the load 150 is less than the rated power of the fuel cell 120, the fuel cell
For 120 output power more than the demand general power of the load 150, the dump power of the fuel cell 120 can be described
Power battery 110 charges.During the power battery 110 charging, state-of-charge raising (but do not exceed preset range
Upper limit value).At this point, since the state-of-charge of the power battery 110 is still in its preset range, the corresponding fuel electricity
Pond 120 is in its rated power, and the output voltage of the fuel cell 120 can satisfy bus voltage, thus can keep institute
The closure of contactor 140 is stated, not by the transformer 130, the fuel cell 120 is directly by the bus 160 to described
150 power supply of load.The open-circuit voltage of power battery 110 slightly reduces, and is not necessarily to the transformer 130.
When upper limit value of the state-of-charge of the power battery 110 close to the pre-set interval, the fuel cell 120
By the bus 160 to 150 electric discharge of load, so that the state-of-charge of the power battery 110 maintains described preset
Section, to protect the power battery 110.The demand general power of the load 150 is less than the volume of the fuel cell 120 at this time
Determine power, need to adjust the power distribution of the power battery 110 and the fuel cell 120, reduces the fuel cell 120
Output power so that the gross output of the power battery 110 and the fuel cell 120 be equal to the load demand
General power.
In one embodiment, the state-of-charge of the power battery 110 can be 30%-70%, when the power electric
When the state-of-charge in pond 110 reaches 65%, the fuel cell 120 can be put by the bus 160 to the load 150
The state-of-charge of the power battery 110 is maintained in the preset range by electricity, far from upper critical value.So that described dynamic
The state-of-charge of power battery 110 is not too high, to protect the power battery 110.
Referring again to Fig. 6 or Fig. 7, in one embodiment, fuel-cell vehicle dynamical system control method 20 is described
Before step S10, further includes:
S110: judge whether the vehicle is driving condition；
If so, executing the step S10；
If it is not, then disconnecting the contactor.
In the above-described embodiments, the driving condition is for on-position.The on-position includes stopping
Vehicle, slow down the case where, the driving condition include the case where at the uniform velocity, acceleration.When the vehicle is in on-position, vehicle is negative
Power needed for carrying 150 increases, and higher than the power of the fuel cell 120, thus transformer 130 is needed to boost, i.e. raising institute
State the output power of fuel cell 120.
Referring again to Fig. 6 or Fig. 7, in one embodiment, after the step S110 further include:
S120: judge whether the vehicle is high speed steady working condition；
If so, executing the step S10；
If it is not, then disconnecting the contactor.
In the above-described embodiments, the high speed steady working condition may include the vehicle in state is driven at a constant speed, at this time
The demand general power of the load 150 has almost no change, and the vehicle is mainly powered by the fuel cell 120.By institute
The reaction principle of fuel cell 120 is stated, governing response speed is slower than the governing response speed of the power battery 110.With institute
State high speed steady working condition it is opposite be city operating condition, vehicle needs frequent acceleration or deceleration, demand in city operating condition downward driving
Power often changes, since the governing response speed of the fuel cell 120 is slow, under the operating condition of city, and the power electric
Based on the power supply of pond 110.
It should be understood that described judge that the step of whether vehicle is in high speed steady working condition should be at judging the power battery
State-of-charge whether be in front of pre-set interval.In one embodiment, if it is very high in the power battery charged state
Stage, if encountering brake, due to the reduction suddenly of demand power, the output power of fuel cell has little time to adjust, thus
Power battery is also that can be electrically charged.In another embodiment, if the stage very low in the power battery charged state, such as
Fruit is persistently climbed, and due to the lasting raising of demand power, although the power of fuel cell can be raised, it is limited to fuel electricity
The adjusting upper limit in pond, the output power of fuel cell is still insufficient for loading demand, thus the power battery can also be put
Electricity.
In one embodiment, the fuel-cell vehicle dynamical system control method 20 can be adapted for heavy truck.Heavy truck
It travels on a highway for a long time, is in the high speed steady working condition for a long time, thus based on the power supply of fuel cell 120.
It, can be according to the short circuit of the state-of-charge of the power battery 110 by the material fuel cell vehicle dynamical system control method
Transformer 130 improves the generating efficiency of the fuel cell 120 to reduce loss caused by the transformer 130, saves electricity
Energy.
In one embodiment, in the S310 when the state-of-charge is greater than the upper limit value of the pre-set interval, institute
Power battery 110 is stated to 150 electric discharge of load, the contactor 140 is disconnected and executes the S10 detection power electric again later
Whether the state-of-charge in pond 110 is in pre-set interval, above-mentioned steps is recycled, to ensure that it is specified that the fuel cell 120 is in its
The contactor 140 is reclosed when power.
In one embodiment, in the S320 when the state-of-charge is less than the lower limit value of the pre-set interval, institute
The charging of power battery 110 described in fuel cell 120 is stated, the contactor 140 is disconnected and executes the S10 detection power again later
Whether the state-of-charge of battery 110 is in pre-set interval, to reclose when ensuring that the fuel cell 120 is in its rated power
The contactor 140.
Present invention also provides a kind of computer equipments, including memory and processor.Being stored on the memory can
The computer program run on a processor, the processor realize any one the method when executing the computer program
Step.
Present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the computer
The step of described in any item methods are realized when program is executed by processor.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of fuel-cell vehicle dynamical system control method, the fuel-cell vehicle dynamical system include power battery,
Fuel cell, transformer and contactor, the fuel cell be used for by the transformer and bus respectively with load and
The power battery electrical connection, the power battery are used for the electricity generated to the load supplying and the storage fuel cell
Can, the contactor is parallel to the both ends of the transformer, which is characterized in that the described method includes:
S10: whether the state-of-charge for detecting power battery is in pre-set interval；
If the state-of-charge of the power battery is in the pre-set interval, S20 is executed,
S20: being closed the contactor, and the fuel cell is the load supplying；
If the state-of-charge is not belonging to the pre-set interval, execute
S310: when the state-of-charge is greater than the upper limit value of the pre-set interval, the power battery to the load discharge,
Disconnect the contactor；
S320: when the state-of-charge is less than the lower limit value of the pre-set interval, the fuel cell is to the power battery
Charging, disconnects the contactor.
2. fuel-cell vehicle dynamical system control method according to claim 1, which is characterized in that the step S20
Later further include:
S210: the state-of-charge of the power battery is kept to be in the pre-set interval.
3. fuel-cell vehicle dynamical system control method according to claim 2, which is characterized in that the step S210
Before further include:
S200: the demand general power of the load and the rated power of the fuel cell；
If the demand general power of the load is greater than the rated power of the fuel cell, the power battery is to the load
Electric discharge；
If the demand general power of the load is less than the rated power of the fuel cell, the fuel cell is the power
Battery charging.
4. fuel-cell vehicle dynamical system control method according to claim 3, which is characterized in that the step S210
Further include:
S211: when lower limit value of the state-of-charge of the power battery close to the pre-set interval, the fuel cell is institute
Power battery charging is stated, so that the state-of-charge of the power battery maintains the pre-set interval.
5. fuel-cell vehicle dynamical system control method according to claim 3, which is characterized in that the step S210
Further include:
S212: when upper limit value of the state-of-charge of the power battery close to the pre-set interval, the power battery is to institute
Load discharge is stated, so that the state-of-charge of the power battery maintains the pre-set interval.
6. fuel-cell vehicle dynamical system control method according to claim 3, which is characterized in that the step S200
It further include the power that the fuel cell is adjusted according to the loading demand general power.
7. fuel-cell vehicle dynamical system control method according to claim 1, which is characterized in that in the step
Before S10, further includes:
S110: judge whether the vehicle is driving condition；
If so, executing the step S10；
If it is not, then disconnecting the contactor.
8. fuel-cell vehicle dynamical system control method according to claim 7, which is characterized in that in the step
After S110 further include:
S120: judge whether the vehicle is high speed steady working condition；
If so, executing the step S10；
If it is not, then disconnecting the contactor.
9. a kind of computer equipment, including memory and processor, be stored on the memory to run on a processor
Computer program, which is characterized in that the processor realizes any one of claims 1 to 8 when executing the computer program
The step of the method.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any item of the claim 1 to 8 is realized when being executed by processor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646735.6A CN109774540B (en) | 2018-12-29 | 2018-12-29 | Power system control method of fuel cell vehicle, computer device, and storage medium |
| PCT/CN2019/129228 WO2020135722A1 (en) | 2018-12-29 | 2019-12-27 | Power system control method of fuel cell vehicle, computer device, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646735.6A CN109774540B (en) | 2018-12-29 | 2018-12-29 | Power system control method of fuel cell vehicle, computer device, and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109774540A true CN109774540A (en) | 2019-05-21 |
| CN109774540B CN109774540B (en) | 2019-12-24 |
Family
ID=66499686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811646735.6A Active CN109774540B (en) | 2018-12-29 | 2018-12-29 | Power system control method of fuel cell vehicle, computer device, and storage medium |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109774540B (en) |
| WO (1) | WO2020135722A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341504A (en) * | 2019-07-04 | 2019-10-18 | 山西成功汽车制造有限公司 | A kind of extended-range electric vehicle dynamical system and its control method |
| CN110395144A (en) * | 2019-08-06 | 2019-11-01 | 爱驰汽车有限公司 | Energy management system, method, equipment and the storage medium of vehicle-mounted double source battery pack |
| WO2020135722A1 (en) * | 2018-12-29 | 2020-07-02 | 清华大学 | Power system control method of fuel cell vehicle, computer device, and storage medium |
| CN112172612A (en) * | 2020-10-19 | 2021-01-05 | 中车资阳机车有限公司 | Control method for fuel cell and power cell hybrid power shunting locomotive |
| CN112776670A (en) * | 2019-11-08 | 2021-05-11 | 长城汽车股份有限公司 | Battery control method and system and vehicle |
| CN113147511A (en) * | 2021-04-12 | 2021-07-23 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Electric-electric hybrid-motion hydrogen fuel cell two-wheeled electric vehicle taking solid hydrogen storage as hydrogen source |
| CN113682161A (en) * | 2021-09-29 | 2021-11-23 | 中汽创智科技有限公司 | Fuel cell control method, device, equipment and medium for hybrid electric vehicle |
| CN113696748A (en) * | 2021-08-30 | 2021-11-26 | 东风汽车集团股份有限公司 | Fuel cell power supply system and control method and control device thereof |
| WO2024012047A1 (en) * | 2022-07-15 | 2024-01-18 | 比亚迪股份有限公司 | Power drive circuit, system and method, and vehicle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644332A (en) * | 2020-12-31 | 2021-04-13 | 北京新能源汽车技术创新中心有限公司 | Electric automobile energy management system and method and automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070231639A1 (en) * | 2006-03-31 | 2007-10-04 | Honda Motor Co., Ltd. | Fuel-cell electric vehicle |
| KR101449299B1 (en) * | 2013-06-13 | 2014-10-13 | 현대자동차주식회사 | System and method for emergency starting fuelcell vehicle |
| CN204161142U (en) * | 2014-07-14 | 2015-02-18 | 郑州宇通客车股份有限公司 | A kind of passenger vehicle based on fuel cell and power system thereof |
| CN107499155A (en) * | 2017-08-08 | 2017-12-22 | 航天新长征电动汽车技术有限公司 | A kind of mixed motor-car control method and control system based on fuel cell and lithium battery |
| CN108394401A (en) * | 2018-01-30 | 2018-08-14 | 清华大学 | Control method, system, device and the storage medium of automotive powerplant |
| CN108944900A (en) * | 2018-08-28 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | Fuel cell car energy management control method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000036308A (en) * | 1998-07-16 | 2000-02-02 | Toyota Motor Corp | Fuel cell system |
| JP5143665B2 (en) * | 2008-08-11 | 2013-02-13 | 本田技研工業株式会社 | Electric power system and fuel cell vehicle |
| CN105059133B (en) * | 2015-09-16 | 2017-12-12 | 殷艳波 | A kind of fuel cell hybrid car system |
| CN105835712A (en) * | 2016-04-07 | 2016-08-10 | 郑州宇通客车股份有限公司 | Power control method for fuel cell bus and power system of fuel cell bus |
| CN109774540B (en) * | 2018-12-29 | 2019-12-24 | 清华大学 | Power system control method of fuel cell vehicle, computer device, and storage medium |
-
2018
- 2018-12-29 CN CN201811646735.6A patent/CN109774540B/en active Active
-
2019
- 2019-12-27 WO PCT/CN2019/129228 patent/WO2020135722A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070231639A1 (en) * | 2006-03-31 | 2007-10-04 | Honda Motor Co., Ltd. | Fuel-cell electric vehicle |
| KR101449299B1 (en) * | 2013-06-13 | 2014-10-13 | 현대자동차주식회사 | System and method for emergency starting fuelcell vehicle |
| CN204161142U (en) * | 2014-07-14 | 2015-02-18 | 郑州宇通客车股份有限公司 | A kind of passenger vehicle based on fuel cell and power system thereof |
| CN107499155A (en) * | 2017-08-08 | 2017-12-22 | 航天新长征电动汽车技术有限公司 | A kind of mixed motor-car control method and control system based on fuel cell and lithium battery |
| CN108394401A (en) * | 2018-01-30 | 2018-08-14 | 清华大学 | Control method, system, device and the storage medium of automotive powerplant |
| CN108944900A (en) * | 2018-08-28 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | Fuel cell car energy management control method |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135722A1 (en) * | 2018-12-29 | 2020-07-02 | 清华大学 | Power system control method of fuel cell vehicle, computer device, and storage medium |
| CN110341504B (en) * | 2019-07-04 | 2024-01-26 | 山西成功汽车制造有限公司 | Range-extending electric vehicle power system and control method thereof |
| CN110341504A (en) * | 2019-07-04 | 2019-10-18 | 山西成功汽车制造有限公司 | A kind of extended-range electric vehicle dynamical system and its control method |
| CN110395144A (en) * | 2019-08-06 | 2019-11-01 | 爱驰汽车有限公司 | Energy management system, method, equipment and the storage medium of vehicle-mounted double source battery pack |
| CN112776670A (en) * | 2019-11-08 | 2021-05-11 | 长城汽车股份有限公司 | Battery control method and system and vehicle |
| CN112172612B (en) * | 2020-10-19 | 2022-04-19 | 中车资阳机车有限公司 | Control method for fuel cell and power cell hybrid power shunting locomotive |
| CN112172612A (en) * | 2020-10-19 | 2021-01-05 | 中车资阳机车有限公司 | Control method for fuel cell and power cell hybrid power shunting locomotive |
| CN113147511A (en) * | 2021-04-12 | 2021-07-23 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Electric-electric hybrid-motion hydrogen fuel cell two-wheeled electric vehicle taking solid hydrogen storage as hydrogen source |
| CN113696748B (en) * | 2021-08-30 | 2023-09-05 | 东风汽车集团股份有限公司 | Fuel cell power supply system, control method and control device thereof |
| CN113696748A (en) * | 2021-08-30 | 2021-11-26 | 东风汽车集团股份有限公司 | Fuel cell power supply system and control method and control device thereof |
| CN113682161B (en) * | 2021-09-29 | 2023-09-22 | 中汽创智科技有限公司 | Fuel cell control method, device, equipment and medium for hybrid electric vehicle |
| CN113682161A (en) * | 2021-09-29 | 2021-11-23 | 中汽创智科技有限公司 | Fuel cell control method, device, equipment and medium for hybrid electric vehicle |
| WO2024012047A1 (en) * | 2022-07-15 | 2024-01-18 | 比亚迪股份有限公司 | Power drive circuit, system and method, and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020135722A1 (en) | 2020-07-02 |
| CN109774540B (en) | 2019-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109774540A (en) | Dynamical system control method, computer equipment and the storage medium of fuel-cell vehicle | |
| CN108556672B (en) | Control method and system of fuel cell hybrid power system | |
| CN110861538B (en) | Fuel cell automobile hybrid power control method and system | |
| Chen et al. | Optimization of sizing and frequency control in battery/supercapacitor hybrid energy storage system for fuel cell ship | |
| US8405347B2 (en) | Input voltage based system and method for charging a vehicle battery | |
| JP3711380B2 (en) | Method for calculating maximum charge and maximum discharge current of hybrid electric vehicle battery | |
| CN110014935B (en) | Method for charging a battery of an electric vehicle | |
| US8638063B2 (en) | AC current control of mobile battery chargers | |
| CN106864280A (en) | The method and system of control voltage under the stop mode of fuel-cell vehicle | |
| KR20040009370A (en) | Method of controlling output power of fuel cell for fuel cell hybrid electric vehicle | |
| JP5796457B2 (en) | Battery system and battery system control method | |
| CN107146917A (en) | The method in parallel for vehicle-mounted two sets of battery systems | |
| US20190111801A1 (en) | Battery system for vehicle | |
| CN105706284B (en) | Dual power supply load driving fuel cell system | |
| US11233259B2 (en) | Fuel cell system and control method | |
| US10158246B2 (en) | Energy storage device, transport apparatus, and control method | |
| CN104659854A (en) | Charge method and system of vehicle-mounted battery and vehicle with charge system | |
| CN111585303B (en) | Ship emergency hybrid power station based on super capacitor | |
| Somnatha et al. | Review paper on electric vehicle charging and battery management system | |
| CN116674398A (en) | Power battery pack, vehicle and method | |
| KR102336964B1 (en) | Battery for hybrid vehicle and control method thereof | |
| JP4731664B2 (en) | Fuel cell circuit | |
| Williams et al. | Repurposing used electric vehicle batteries for energy storage of renewable energy in the power system | |
| Bonnet et al. | Direct fuel cell—supercapacitor hybrid power source for personal suburban transport | |
| CN111216567B (en) | Method for preventing overcharge of hydrogen energy fuel cell vehicle and energy management distribution system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |