CN103754217A - Hybrid power vehicle control method - Google Patents
Hybrid power vehicle control method Download PDFInfo
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- CN103754217A CN103754217A CN201410036100.XA CN201410036100A CN103754217A CN 103754217 A CN103754217 A CN 103754217A CN 201410036100 A CN201410036100 A CN 201410036100A CN 103754217 A CN103754217 A CN 103754217A
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- vehicle
- fuel cell
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- 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
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- 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
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
- B60W10/184—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes
- B60W10/188—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes hydraulic brakes
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- 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
- B60W10/28—Conjoint control of vehicle sub-units of different type or different function including control of fuel cells
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- 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
- B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
- B60W20/14—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion in conjunction with braking regeneration
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- 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
- B60W2710/24—Energy storage means
- B60W2710/242—Energy storage means for electrical energy
- B60W2710/244—Charge state
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- 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
- B60W2710/28—Fuel cells
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A hybrid power regenerative braking unit can comprise a vehicle used for slowing down or stopping. For example, the regenerative braking unit can serve as an electric generator or a traction motor for converting mechanical energy of rotation of wheels into electric energy. In the prior art, a locomotive or other diesel-electric power hybrid power vehicles may dissipate electric energy generated in this way as heat energy wasted for fuel battery power vehicles by resistance, and the electric energy generated from regenerative braking now and then may exceed available storage capacity of batteries of the vehicles. The additionally arranged batteries can obviously increase the prices and the weights of the vehicles, and thus it is necessary to improve and configurate energy management of the regenerative braking electric drive fuel battery automobiles.
Description
Technical field
The present invention relates to a kind of vehicle control system for Regenerative Braking for HEV.
Background technology
A kind of Regenerative Braking for HEV unit can comprise the vehicle for slowing down or stopping; for example; regenerative brake unit can be used as electrical generator; the mechanical energy of conversion rotation of wheel converts the traction motor of electric energy to; in the prior art; locomotive or other diesel oil-electric hybrid automobiles may dissipate the electric energy that produces like this at resistance the heat energy for the waste of fuel cell motive force automobile, the electric energy frequently producing by regenerative brake may exceed the available storage of the battery of vehicle; Increase price and weight that extra battery can obviously improve this vehicle, therefore, be necessary to promote, be equipped with the energy management of regenerative brake electric drive fuel cell powered vehicle.
Summary of the invention
A kind of hybrid-vehicle control method,
This vehicle has combustion engine, electrical generator, and generator/motor, fuel tank, fuel cell pack, ohmic load, storage battery, regeneration friction brake unit, and for controlling the controller of energy device,
Detect the initial time of the fuel cell pack being associated with motor vehicle driven by mixed power;
By generator/motor, be mechanically connected at least one wheel of vehicle, in braking or car retardation process, produce electric energy;
From the outset, rise, determine a time interval;
The electric energy producing at this time interval to the ohmic load of vehicle, is thermally coupled to H Exch the ohmic load of described vehicle by power storage simultaneously.
More preferably, at this time interval, produce electric energy, simultaneously can be by electrical power storage the energy storing device to vehicle.
More preferably, described ohmic load and H Exch have cooling loop, by the first cooling pump, are undertaken cooling.
More preferably, described combustion engine has the second cooling pump.
More preferably, apply friction braking at least one wheel to vehicle, to supplement electromechanical braking effect.
More preferably, described device also has air manager system, and wherein air manager system comprises pressure regulator, and this regulating control is for regulating the air pressure and the flow that lead to fuel cell pack.
Accompanying drawing explanation:
Fig. 1 is the block diagram having according to the system of the vehicle of regenerative brake of the present invention for controlling.
The specific embodiment
According to an embodiment, a kind of for controlling the system of the electric energy that vehicle or control is associated with vehicle in Fig. 1, comprise first drive motor (26) and the second drive motor (28).The first drive motor and/or the second drive motor are coupled to the dynamic mode of wheel vehicle propulsion vehicle or make in the regenerative brake pattern of car retardation, regenerative brake refers to and utilizes the first drive motor and/or the second drive motor, under the regenerative brake pattern between the moving period of vehicle, a driving motor is electric energy by the kinetic transformation of moving vehicle, fuel cell (40) provides a load or energy storing device (42), for the electric energy of accepting to be produced by one or more drive motor.
In propelling pattern, energy storing device (42), fuel cell pack (54) supplies with electric power to one or more CD-ROM drive motor (26,28), if CD-ROM drive motor (26,28) use alternating current, each CD-ROM drive motor becomes to exchange (AC) electric current by corresponding current transformer by direct current (DC) current conversion.If be direct current (DC) motor on drive motor, do not need current transformer.
A commutation circuit (34) management CD-ROM drive motor (26,28) flow of electrical power and between described fuel cell module, for example, commutation circuit 34 can be managed CD-ROM drive motor (26,28) flowing between, and comprise the following energy device of management: (one) closed-center system (42) (as battery), (two) ohmic load (46), and fuel cell pack (54), commutation circuit (34) can be selected different and regenerative brake pattern and propelling pattern according to the instruction of controller.The operator of vehicle or navigation control system can control controller (36) and select to be transitioned into regenerative brake pattern or propelling pattern.
This device also comprises charge condition sensor simultaneously, environment temperature sensor (37), fuel battery temperature sensor (39), the first wheel sensor (10) (for example, the first acceleration sensor), the second wheel sensor (12) (for example, the second acceleration sensor), the sensor all communicates with controller (36).Charge condition sensor, environment temperature sensor (37), fuel battery temperature sensor (39), the first wheel sensor (10) (for example, the first acceleration sensor), the second wheel sensor (12) (for example, the second acceleration sensor) is all arranged to provide input data to controller (36), and controller processes input data and provide control data or control signal to commutation circuit (34).This device also comprises fluid control valve (16).
Fuel cell pack is connected with Fuel Tank, and has air manager system.Fuel Tank is for fuel-in-storage (as hydrogen or other combustible fuel gas), hydrogen fuel case can provide energy source for combustion engine simultaneously, wherein air manager system can comprise following one or more: air compressor, the source electrode of oxygen, the source electrode of air, is stored in the pressurized air in tank, is stored in the compressed oxygen in tank, and pressure regulator, this regulating control is for regulating the air pressure and the flow that lead to fuel cell pack.Fuel Tank is coupled to fuel cell pack by fuel and the air (or oxygen) of the input of burning line, and produces electric power and waste water, and waste water is discharged from eduction gear.
The energy device of this device also comprises power regulator, therrmodynamic system, and closed-center system (42).In one embodiment, fuel cell pack is coupled to described energy storing device by power regulator.The filtering that power regulator provides is by the electric energy output of fuel cell pack; make its storage battery that is more suitable for charging as energy accumulating device; for example battery or other assemblies; for example; power regulator can comprise a voltage regulator, current relay or clipper, noise filter or overload protective device; capacitor filter, or the combination in any of aforementioned.Load matching (for example, the coupling of impedance) between electricity output and the electrical input of closed-center system of the fuel cell pack that in addition, power-supply controller of electric promotes.
At least one ohmic load of therrmodynamic system (46) and H Exch (48) are (for example, radiator), in one embodiment, ohmic load comprises the resistance that is arranged to several high power consumptions in parallel, the rating horsepower of this resistor with by produced electric power and first drive motor (26) and the second drive motor (28), matched, with make lasting regenerative brake apart from time can reach maximum car speed.
Fuel cell pack carries out cooling with H Exch, this cooling system is coupled to fuel cell pack, and the heat that the handling device of the fuel cell by following one or more produces is associated: an admission line, exhaust line, liquid lifting-line, radiator hose or analogue.Ohmic load is and H Exch admission line, exhaust line, liquid lifting-line, radiator hose thermal communication.H Exch has a cooling pump.
Therefore battery cooling has a coolant loop, be used for the circulate coolant of the heat radiation of managing fuel cell pack, comprise in the combination of inlet wire, H Exch (for example, radiator), and the circulate coolant of an exhaust line can be connected to a cooling system conditioner induction maniflod (at the cooling entrance of fuel cell) and cooling system conditioner and discharge the manifold (at fuel cell coolant outlet) of described fuel cell pack.Cooling pump is used for for example, H Exch and fuel cell pack in pumping refrigerant fluid cooling system conditioner (water or the aqueous system have antifreeze) capable of circulation, and the coolant loop in fuel cell pack.In typical fuel cell pack, one or more cooling-gallerys are positioned at zonule separately, and it is in series associated cooling-gallery with the cooling system conditioner dontake pipe of cooling system conditioner induction maniflod and described fuel cell pack.
In one embodiment, brake system comprises main piston cylinder, an electromagnetic valve, the first friction stopping device (22), the second friction stopping device (24).By hydraulic tubing, main piston cylinder is coupled to electromagnetic valve (16).Conversely, electromagnetic valve (16) is coupled to the first friction stopping device and the second friction stopping device by underground, and each friction braking assembly (22,24) can comprise a drum brake assembly, a disc brake assembly, or similar assembly.Electromagnetic valve of being associated (16) corresponding with brake equipment can regulator solution hydraulic fluid flow, to provide to exceed, slow down and vehicle stop control.
Charge condition sensor detects one or more parameters (as battery, battery temperature, cell resistance open circuit voltage), can be used for estimating the charge condition of battery, for example, charge condition can be estimated from the open circuit voltage of battery, and can be at battery, the internal resistance recharging of temperature and battery capacitor.The state of the charging of battery can be expressed as the percentum (being a corresponding detection time) of the rated capacity of battery.
Environment temperature sensor detects the ambient temperature of fuel cell pack or vehicle periphery.The temperature of the fuel cell pack that fuel cell sensor detection thermal device and cooled fuel cell are associated.The temperature sensor of being measured by fuel cell is called as " battery temperature " " stack temperature " or " temperature of fuel cell ".Controller (36) uses measured ambient temperature, stack temperature, or the two determines whether described fuel cell pack cold start-up or warm start have occurred.The fuel battery temperature of cold-starting device equal or maximum range at ambient temperature in, and warm start means, fuel cell stack temperature in one of fuel cell known working temperature range.Fuel cell pack can produce and it reached or keep its operating temperature to give full play to its capacitance, for example, starting after described fuel cell, oxidation, the efficiency of other chemical reaction occurring in reduction or fuel cell pack or speed in fuel cell, at least rise to normal operating temperature by increased temperature rise.
Under regenerative brake pattern, controller for example, is determined from one or more CD-ROM drive motor (, the first drive motor), with by electric energy to ohmic load, if fuel-cell device is in time interval.Battery temperature can be based on following one or more factors lower than the time interval of the minimum temperature of threshold value: (1) is through the minimum threshold phase from the time of initial time, (2), the ambient temperature of described vehicle periphery or fuel cell, (3) temperature of fuel cell pack reaches desired service temperature or scope, and (4) cold start-up or warm start of whether occurring when the startup of fuel cell.
The storage of the fuel cell being associated with the time interval (and after this time interval) that an ohmic load promotes the heat management of fuel cell to pile, controller indication commutation circuit, the output potential drive motor (for example, the first drive motor) that ohmic load (some resistors associated with it) is connected to or the DC bus of vehicle.In one embodiment, ohmic load is an independent module, from described fuel cell pack and be to carry out interchange of heat with the circulate coolant of fuel cell pack, store the extra thermal load from resistance coolant loop into, before turning back to described fuel cell pack, cooling system conditioner carries out cooling (for example, the radiator of vehicle) at H Exch.
Ohmic load is physically arranged on the vehicle coolant loop between the cooling outlet of described fuel cell and the H Exch of entrance, the outlet of this fuel cell between cooling entrance and H Exch, wherein fuel cell coolant outlet and with the cooling entrance of described fuel cell and and the pump that is associated of H Exch between cooling system be connected, and the pump being associated.
Ohmic load is electrically connected or is coupled to the DC bus of described vehicle, and and fuel cell pack, the circulate coolant of H Exch (as radiator) or vehicle is carried out interchange of heat.Because when car brakeing, at fuel cell pack, cooling ohmic load will can be used to from the electric load of any material of propelled vehicles and radiator.
This device has electric traction motor and the regenerative brake pattern with type of drive, the source of the useful electric energy of the latter's mode producing, refer to and utilize electric energy with an automobile series motor vehicle driven by mixed power, comprise a battery feed, be used for driving traction motor, a traction electric machine by petrol-electric generating set provides electric energy the power supply for battery is charged, switching device, be used at drive pattern with from traction motor, with control from electrical generator distribute electric energy to traction electric machine and battery in the regenerative brake pattern battery and other devices, one has multiple elements that contain, comprise the accumulation of heat battery of combustion engine and a high power capacity, in the liquid coolant circuit of liquid coolant circuit, in order to the impedance heater assembly coolant loop with electric energy, and by switching device be connected to traction motor and can operate sometimes in response to set up traction motor receive dump energy therefrom for cooling system conditioner for optionally distributing the coolant loop that is heated to the containing element under one or more regenerative brake patterns, and control device, it is operably connected to described switching device, described resistance heater device, and the plurality of element, for controlling the distribution of electric energy and from during the driving and regenerative brake pattern of traction motor, the operation of coolant loop.
A kind of fuel cell hybrid vehicle may not have enough capacity of cell, for example, by electro-motor (26,28) store the energy being produced by regenerative brake, therefore, one or more commutation circuit route electrical energy devices of the following receptor producing by regenerative brake: (a) a kind of energy storing device (for example, battery or ultracapacitor), (b) a kind of super capacitor module, (c) in, described ohmic load or various parts, and combination in any aforementioned device (e).It is reported, the time slot distributing in controller indication commutation circuit or time length continue or dynamic basis on, with above-mentioned receiver equipment.
In a configuration, commutation circuit can support software, controller (36) is controlled the ohmic load of independent switching (for example,, according to PWM) or is disconnected the value of the resistive loading dynamically in real time changing that one or more resistors of bus (for example, the DC bus of vehicle) observe.Commutation circuit can have sufficiently high conversion rate, to allow the switching of resistance unit of leading control and resistor or resistive loading.In another kind configuration, by pulse width modulation, (PWM controls the control signal from controller (36) to commutation circuit.This resistance can be switched to and close the DC bus of vehicle moment in a controlled manner for discrete controlled time period or time slot, therefore, at PWM, supports stepless continuous variable speed, or the ohmic load of stepless change resistance value.
Controller in vehicle control system receives the state that transmits power from the device of export to send accelerator position and a mouth, and described control module determines that working as accelerator installation is to be the unique source of transmission of torque to Power Train in described releasing position and described electrical motor.
Layering is slided strategy and is meaned from the negative torque means reception of controller output, it is according under multiple vehicle operating conditions, the dynamic assembly of vehicle is born to the method for torque by multiple supplies, controller determines that accelerator is released, electrical motor is that unique moment of torsion offers Power Train, so that negative torque means keeps optimum capacity to reclaim, it is consistent with slowing down, no matter for which vehicle operating condition.
In one embodiment, with an actuator (accompanying drawing is not shown), be associated or be integrated into switched circuit.The digital logic signal that controller 36 interface drive programs receive is as the input of control signal, and (for example produce a refining control signal, a pulse width is used for controlling one or more commutation circuits, according to propelling pattern, regenerative brake pattern, or both switchings (for example, quartz conductor switches or relay) modulation (PWM) signal.
Although described in detail for implementing optimal mode of the present invention, the technical personnel of being familiar with field involved in the present invention will be appreciated that within the scope of the appended claims for putting into practice various substituting design and implementation example of the present invention.
Claims (6)
1. a hybrid-vehicle control method, this vehicle has combustion engine, electrical generator, generator/motor, fuel tank, fuel cell pack, ohmic load, storage battery, regenerative brake unit, for controlling the controller of energy device, is characterized in that:
The method is further comprising the steps of: the initial time that detects the fuel cell pack being associated with motor vehicle driven by mixed power; By generator/motor, be mechanically connected at least one wheel of vehicle, in braking or car retardation process, produce electric energy; From the outset, rise, determine a time interval; The electric energy producing at this time interval, by power storage to the ohmic load of vehicle, H Exch is thermally coupled to the ohmic load of described vehicle simultaneously, also there is a commutation circuit, it can manage the power distribution between generator/motor and described fuel cell module, and commutation circuit can be selected different regenerative brake patterns and propelling pattern according to the instruction of controller.
2. method according to claim 1:
At this time interval, produce electric energy, simultaneously can be by electrical power storage the energy storing device to vehicle.
3. according to the method one of claim 1-2 Suo Shu:
Described ohmic load and H Exch have cooling loop, by the first cooling pump, are undertaken cooling.
4. according to the method one of claim 1-3 Suo Shu:
Described combustion engine has the second cooling pump.
5. according to the method one of claim 1-4 Suo Shu:
Apply friction braking at least one wheel to vehicle, to supplement electromechanical braking effect.
6. according to the method one of claim 1-5 Suo Shu:
Described device also has air manager system, and wherein air manager system comprises pressure regulator, and this regulating control is for regulating the air pressure and the flow that lead to fuel cell pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036100.XA CN103754217A (en) | 2014-01-24 | 2014-01-24 | Hybrid power vehicle control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036100.XA CN103754217A (en) | 2014-01-24 | 2014-01-24 | Hybrid power vehicle control method |
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| CN103754217A true CN103754217A (en) | 2014-04-30 |
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| CN201410036100.XA Pending CN103754217A (en) | 2014-01-24 | 2014-01-24 | Hybrid power vehicle control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110298127A (en) * | 2019-07-04 | 2019-10-01 | 中山大学 | Brief test model based on fuel cell co-generation unit |
| CN110562057A (en) * | 2019-09-18 | 2019-12-13 | 重庆坚峰汽车科技有限公司 | Driving system and new energy automobile |
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| CN101612939A (en) * | 2008-06-27 | 2009-12-30 | 现代自动车株式会社 | Be used for controlling the method for output of the fuel cell of fuel cell hybrid electric vehicle |
| CN102069795A (en) * | 2009-11-20 | 2011-05-25 | 通用汽车环球科技运作公司 | Control of regenerative braking in a hybrid vehcile |
| CN102099217A (en) * | 2008-02-13 | 2011-06-15 | 尼尔·杨 | Hybrid electric vehicle and methods of production |
| CN102529926A (en) * | 2010-12-03 | 2012-07-04 | 日产自动车株式会社 | Brake control system and method for an electrically driven vehicle |
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2014
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| US20060046895A1 (en) * | 2004-08-30 | 2006-03-02 | Thacher Russell J | Vehicular control system for regenerative braking |
| CN102099217A (en) * | 2008-02-13 | 2011-06-15 | 尼尔·杨 | Hybrid electric vehicle and methods of production |
| CN101612939A (en) * | 2008-06-27 | 2009-12-30 | 现代自动车株式会社 | Be used for controlling the method for output of the fuel cell of fuel cell hybrid electric vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110298127A (en) * | 2019-07-04 | 2019-10-01 | 中山大学 | Brief test model based on fuel cell co-generation unit |
| CN110298127B (en) * | 2019-07-04 | 2023-04-25 | 中山大学 | Simple test model based on fuel cell cogeneration system |
| CN110562057A (en) * | 2019-09-18 | 2019-12-13 | 重庆坚峰汽车科技有限公司 | Driving system and new energy automobile |
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Application publication date: 20140430 |