CN101249829A - Control system for mixed power system - Google Patents

Control system for mixed power system Download PDF

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Publication number
CN101249829A
CN101249829A CNA2007103077876A CN200710307787A CN101249829A CN 101249829 A CN101249829 A CN 101249829A CN A2007103077876 A CNA2007103077876 A CN A2007103077876A CN 200710307787 A CN200710307787 A CN 200710307787A CN 101249829 A CN101249829 A CN 101249829A
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China
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running state
motor
selectivity
dynamical system
vehicle
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Granted
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CNA2007103077876A
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Chinese (zh)
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CN101249829B (en
Inventor
B·M·康伦
A·G·霍尔姆斯
E·D·小塔特
E·M·拉斯克
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GM Global Technology Operations LLC
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GM Global Technology Operations LLC
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Priority claimed from US11/940,366 external-priority patent/US8234025B2/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • F16H3/728Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing

Abstract

A control system of a hybrid powertrain system determines operator requirement, power train operation state and operating conditions based on input; selects operating strategy based on operator requirement, power train operation state and operating conditions; determines preferred powertrain operation state and controls the powertrain to preferred powertrain operation state based on the selected operating strategy, operator requirement, and operating conditions.

Description

The control system that is used for hybrid powertrain system
The cross reference of related application
The sequence number that the application has required on November 28th, 2006 to propose is 60/861638 U.S. Provisional Application No., and this application is incorporated herein by reference.
Technical field
The application relates to hybrid powertrain system.
Background technology
The description of this part only provides the background information that relates to the application, does not constitute prior art.
The vehicle power architecture comprises the torque generating apparatus, and it comprises combustion engine and motor, and they are passed to output by driving device with machine torque.Known driving engine can also generate and can be passed to motor to produce the torque of electric power, and this electric energy is stored in the vehicle-mounted electrical energy storage device as power potential.Working as stationary vehicle, for example during the Parking, electrical energy storage device can be electrically connected to the far end supply that is used for power charge.
Summary of the invention
A kind of powertrain system that is used for vehicle comprises driving engine, comprises that selectivity is electrically connected on the electric energy storage system of the electrical energy storage device of far end supply, change-speed box, and control system.Change-speed box comprises the gear box input element that is operably connected to driving engine, be operably connected to first motor of gearbox output element and be operably connected to second motor of gear box input element.The described first and second motor electricity are operatively connected to electric energy storage system.The control system signal is connected in a plurality of inputs, and is operably connected to a plurality of actuators.Described control system executive routine code is with control actuator operated driving engine and change-speed box.Program code comprises: based on input, determine operating personal demand, dynamical system running state and condition of service; Based on operating personal demand, dynamical system running state and condition of service, select the operation strategy; Determine preferred dynamical system running state; With based on selected operation strategy, operating personal demand and condition of service, the control dynamical system is to the optimal powertrain running state.
Description of drawings
The present invention can adopt with the specific part and the form of arrangement of parts, and embodiment has been done detailed description under the situation in conjunction with the accompanying drawing that constitutes this embodiment part, wherein:
Fig. 1 and 2 is the scheme drawing according to typical dynamical system of the present invention and control system;
Fig. 3 is the scheme drawing according to logical flow chart of the present invention; With
Fig. 4,5 and 6 is the scheme drawings according to typical powertrain system of the present invention.
The specific embodiment
With reference now to accompanying drawing,, wherein these are described only in order to explain certain typical embodiment, rather than it is identical in order to limit, and wherein exemplary embodiments and the identical numbering of the similar elements among the figure, Fig. 1 has described the embodiment of powertrain system 10A and control system 15, and it operationally is sent to torque gearbox output element 64, for example, to transmission output shaft, it is connected to the driving system 90 of vehicle.This powertrain system 10A comprises combustion engine 20 and electro-mechanical transmission 30A, and this change-speed box 30A comprises first motor (' MG-A '), 40, second motor (' MG-B ') 50 and planet or parallel shaft reduction gear group (' PG ') 34.First and second motors 40 and 50 are integrated into change-speed box 30A are described, but the present invention is not limited to this.Electrical energy storage device (following is ' ESD ') 60 is electrically connected on inverter module (' IM ') 45, hereinafter will describe and ESD charging unit 70.When vehicle was in dead position, ESD charging unit 70 optionally was connected in far end supply 80 by electrical connector 72.Driving engine 20 is operatively coupled to first motor 40 by input shaft 24, to produce electric power.Second motor 50 is as directed to be operably connected to gearbox output element 64 by gear cluster 34, perhaps is directly connected in gearbox output element 64 without the center tooth wheels.Second motor 50 can be sent to driving system 90 by change-speed box 30A with pull-up torque, is used for vehicle propulsion and regenerative brake.Driving system 90 can comprise f-w-d system, rear wheel drive system and other drive system structure, the front-wheel drive system turnkey is drawn together drive axle and the semiaxis that is connected to drive wheel, rear wheel drive system comprises diff and the axle that is connected to drive wheel, and they all are not shown specifically.
Control system 15 provides the coupled system of powertrain system 10A to control by the operation of control driving engine 20, change-speed box 30A and first and second motors 40 and 50, and it comprises the wherein a kind of operation of control powertrain system 10A in multiple dynamical system running state.Control system 15 comprises hybrid power control module (following is ' HCP ') 12, engine control module (following is ' ECM ') 22, transmission control module (following is ' TCM ') 32, motor control module (following is ' MCP ') 52 and battery pack, or ESD control module (following is ' BPCM ') 62.Control system 15 receives order and other inputs of operating personal from operating personal interface module (' UI ') 14 by the total wire joint 16 of local area network (following is ' LAN ').
Change-speed box 30A passes through optionally delivering power between driving engine 20, first motor 40, second motor 50 and driving system 90 of gear cluster 34, comprise selectivity application of torque transfer device, hereinafter referred to as the power-transfer clutch (not shown), but be intended to comprise all torque transmitters, it comprises for example wet type and dry type clutch, band clutch and drg.Change-speed box 30A is by TCM 32 controls.TCM 32 signal grounds and be operably connected to change-speed box 30A, and play from the sensor (not shown) and obtain data and the effect of command signal is provided.TCM 32 determines clutch torque, and monitoring is from the rotation output speed of gearbox output sensing device (not shown), and monitoring is from the output of the hydraulic pressure transducer (not shown) in the change-speed box.TCM32 is control presssure control solenoid (not shown) selectively, and switching screw actuator (not shown) reaches a dynamical system running state with controlling torque transmission power-transfer clutch.
Driving engine 20 preferably includes multi-cylinder engine, its operatively produce and transmitting torque to first motor 40.Driving engine 20 can be other operation cycle of lighting type, compression ignite type or utilizing available fuel, and described available fuel is including, but not limited to gasoline, diesel oil with based on the fuel of alcohol.Driving engine 20 is by ECM 22 control, described ECM signal ground and be operably connected to driving engine 20 and play from a plurality of sensor (not shown)s and obtain data and in the effect of many a plurality of actuator (not shown)s of discrete circuit (not shown)s control.The data that obtained comprise the input from the crank-position sensor (not shown), so that engine speed to be provided.Other parameters that ECM 22 detects comprise engine coolant temperature, collector pressure, ambient air temperature and ambient pressure, and all these are all not shown.Can comprise fuel injector, ignition module and throttle-valve control module by a plurality of actuators of ECM 22 controls, all these are all not shown.ECM 22 operationally controls driving engine 20 to engine condition, and described engine condition comprises engine starting state (' opening '), promptly gives driving engine fuel up and igniting, and engine stop-state (' passs '), promptly to the driving engine fuel up and misfire.During ongoing vehicle operating, ECM 22 can cut off and restart subsequently driving engine 20.ECM 22 communicates by letter with other control modules by LAN bus 16.
First and second motors 40 and 50 are three-phase AC motors, and it is electrically connected on inverter module 45, and are controlled by inverter module.First motor 40 preferably includes rotor (not shown) and stator (not shown), and rotor is operably connected to input shaft 24, and stator grounding is to the case (not shown) of change-speed box 30A.Second motor 50 preferably includes rotor (not shown) and stator (not shown), and rotor is operably connected to gearbox output element 64 by gear cluster 34 as described, but disclosing herein is not limited.Stator grounding is to the case of change-speed box 30A.
Inverter module 45 is that DC is connected in the high potential of ESD60 by transmitting conductor 61.Inverter module 45 preferably includes a pair of complementary three-phase power inverter (not shown), and it is suitable for respectively by transmitting conductor 41 and 51 electric power being sent to first and second motors 40 and 50 and transmit electric power from first and second motors.Each three-phase power inverter preferably includes a plurality of semiconductor power switch devices, igbt (' IGBT ') (not shown) for example, and its formation is configured to receive the switched-mode power supply from the control command of MCP52.Typically there is a pair of IGBT that is used for each phase of each three phase electric machine.The state of control IGBT is to provide motor-driven or electric power regeneration function.Three-phase inverter receives (or supply) DC electric power by transmitting conductor 41, and change it into three-phase AC power (or from three-phase AC power change), it is conducted to first and second motors 40 and 50 (or conduct from first and second motors) be used for moving as motor (or driving engine).
MCP52 control inverter module 45 is to obtain the motor torque of expectation.The IGBT of MCP52 control inverter module 45, with by transmitting that conductor 41 is controlled to and transmit from the electric power of first motor 40, and by transmitting that conductor 51 is controlled to and transmitting from the electric power of second motor 50.Whether give the ESD60 charge or discharge according to inverter module during vehicle operating 45, electric current is sent to ESD60 and the electric current that sends from ESD60 by transmitting conductor 61.
ESD60 comprises the high voltage electric energy memory storage, and (for example, one or more batteries or ultra-capacitor or its composite) is preferably used in dynamical system run duration storage and the battery of the electric energy of use is provided.The BPCM62 signal ground is connected in one or more sensor (not shown)s that are used to monitor electric current, voltage and the temperature of ESD60, to determine the parameter state of battery.This parameter state comprises battery charge state, ampere-hour tolerance, voltage, available electrical power and unit temp.ESD60 is electrically connected on ESD charging unit 70, and when vehicle was in dead position, the ESD charging unit can be connected to far end supply 80 by electrical connector 72.ESD charging unit 70 is converted to the DC electric power with the AC electric power, and it is delivered to ESD60.Electrical connector 72 can be electrically connected electric current (ohmically) or be electrically connected electric current inductively by known inductance connecting device with ohm by conduction contacts.Known far end supply 80 comprises the fixedly electrical network that is used for electric power is supplied with resident and mercantile customer.
Operating personal interface module 14 is operably connected to multiple arrangement, by the definite demand from vehicle operator of described multiple arrangement, to control and to instruct the operation of powertrain system 10A.Described device can comprise Das Gaspedal (' AP ') and brake pedal (' BP '), speed change gear finder (not shown) and speed of a motor vehicle cruising control (not shown), determines the operating personal torque-demand according to Das Gaspedal and brake pedal.Speed change gear finder has the operating personal selectable location of dispersed number, comprises the direction of gearbox output element 64, that is, and forward with one of reverse direction.Operating personal interface device (' OID ') 18 can comprise control panel, and it comprises a plurality of elements, for example touches visual display, operating personal is optional or the adjustable button of operating personal, switch and knob, and they are all not shown.Operating personal interface device 18 preferably places the control desk near vehicle operator, and reception is from the control input of operating personal, and communicating information to operating personal, described control input comprises the input of request dynamical system with the operation of elec. vehicle (' EV ') running state.Operating personal interface device 18 can be the element of onboard navigation system, and it can comprise global positioning system (GPS), and wireless telecommunication system, and they are all not shown.Onboard navigation system and global positioning system can provide the signal input to control system 15, and control system 15 can be used for operational power system 10.
HCP12 provides the supervision and control of powertrain system, and the compounding practice of ECM22, TCM32, MCP52 and BPCM62 is provided.These control modules comprise the subsystem of the whole vehicle hierarchy of control, and comprise the control system 15 of the coupled system control that powertrain system 10 is provided.As the following detailed description; control system 15 is comprehensively imported; to determine operating personal demand and condition of service; and execution algorithm is to control a plurality of actuators; thereby obtain to be used for some parameter control target; described parameter comprises fuel economy, discharging, performance and driving performance, thus and protection driving system hardware.Based on from operating personal interface module 14 with comprise a plurality of incoming signals of the dynamical system of ESD60, control system 15 produces a plurality of instructions, comprising: the operating personal torque requests; Instruction output torque to driving system 90; Engine input torque; The clutch torque that is used for the transmission of torque power-transfer clutch of change-speed box 30; With the motor torque command that is used for first and second motors 40 and 50.
As the described herein, above-mentioned control module can be communicated by letter with other control modules, sensor and actuator by LAN bus 16.LAN bus 16 is convenient to make up communication between a plurality of control modules that comprise sensor output, controlled variable and device instruction.Used communications protocol is special-purpose.LAN bus 16 provides between the above-mentioned control module, and the robustness communication between other control modules and mutual, and described other control modules for example provide, the function of ABS (Anti-lock Braking System), traction control and vehicle stability.Many communication buses can be used to improve communication speed and provide signal redundancy and integraty.
Each above-mentioned control module is preferably general purpose digital computer, it comprises microprocessor or central processing unit, storage medium, high-frequency clock, analogue to digital conversion (' A/D ') and digital to analogy conversion (' D/A ') circuit and the input/output circuitry and the device (' I/O ') of comprise read-only memory (ROM) (' ROM '), random access memory (' RAM ') and EPROM (' EPROM ') and appropriate signals is regulated and the buffering circuit.Each control module has one group of control algorithm, comprises the resident executive instruction and the calibration that are stored among the ROM, carries out it so that the function separately of each computing machine to be provided.Use above-mentioned LAN bus 16 preferably to finish information transmission between a plurality of computing machines.
Carry out the algorithm that is used to control powertrain system 10 and estimated parameter state in default cycle period, so that once each algorithm is carried out in each circulation at least.Algorithm stores in Nonvolatile memory devices, and is carried out by one of central processing unit, the input that comes self-test device with monitoring, and carry out control and diagnostic program, to use the operation of default each device of calibration control.During ongoing driving engine and vehicle operating, regularly carry out circulation, for example per 3.125,6.25,12.5,25 and 100 milliseconds.Replacedly, appearance execution algorithm that can response events.
Selectively operate in one of several dynamical system running statees with reference to the described powertrain system 10A of Fig. 1, it is by the control engine condition and operate second motor 40 to produce pull-up torque, described pull-up torque can be passed to driving system 90, such as table 1 detailed description.
Table 1
The dynamical system running state The pull-up torque generation device Engine condition
EV EV-C C Second motor, second motor does not have pull-up torque to produce Guan Kaikai
In elec. vehicle (' EV ') running state, second motor 50 produces pull-up torque, and engine condition is for closing.The driving engine 20 and first motor 40 preferably disconnect from gearbox output element 64.In electric vehicle charging (' EV-C ') running state, second motor 50 produces pull-up torques, and engine condition is for opening, and produces to be used for by first motor 40 to the electrically-charged power of ESD60.In charging (℃ ') running state, engine condition is for opening, and produces to be used for giving the electrically-charged power of ESD60 by first motor 40, and do not have the pull-up torque generation.Regardless of the dynamical system running state, the electric power of can regenerating in braking or during sliding.
Fig. 2 has described second embodiment of powertrain system 10B and control system 15.Powertrain system 10B comprises driving engine 20 and electro-mechanical transmission 30B, described change-speed box 30B comprises first and second motors 40 and 50, preferably includes the gear cluster of compound planet gear (' PG ') 34 ' and alternative pieceable power-transfer clutch A, B and C.First teeth parts of gear cluster 34 ' are connected on second motor 50.Second teeth parts of gear cluster 34 ' are connected on the gearbox output element 64.The 3rd teeth parts of gear cluster 34 ' can be optionally by using power-transfer clutch A to be connected to change speed gear box (that is ground connection).The 3rd teeth parts of gear cluster 34 ' can be optionally by using power-transfer clutch B optionally to be connected to first motor 40.And driving engine 20 is connected to gear box input element 24, and it can optionally be connected to first motor 40 by using power-transfer clutch C.
With reference to the described powertrain system 10B of Fig. 2, optionally operate in one of several dynamical system running statees, it is by control engine condition and operation first and second motors 40 and 50, to produce pull-up torque, described pull-up torque can be passed to driving system 90 by the power-transfer clutch that selectivity is used, such as table 2 detailed description.
Table 2
The dynamical system running state Employed power-transfer clutch The pull-up torque generation device Engine condition
EV1 EV2 EVT EV1-C charging A B B,C A,C C Second motor, first and second motors, first and second motors, second motor do not have pull-up torque to produce Close Kai Kaikai
In first elec. vehicle (' EV1 ') running state, second motor 50 produces the pull-up torque that is delivered to driving system 90, and engine condition is for closing.In the elec. vehicle running state, driving engine 20 and the 40 preferred and change-speed box disconnections of first motor.In second elec. vehicle (' EV2 ') running state, first and second motors 40 and 50 produce pull-up torque, and engine condition is for closing.Engine condition is for opening in electrical shift transmission (' EVT ') running state, and driving engine 20 and first and second motors 40 and 50 produce pull-up torques.In first electric vehicle charging (' EV1-C ') running state (replacedly being called the series hybrid-power running state), second motor 50 produces pull-up torque.The driving engine 20 and first motor 40 disconnect with driving system 90, and engine condition is for opening, and produce that to be used for by first motor 40 be ESD 60 electrically-charged power.In the charge operation state, engine condition can be for opening, and driving engine 20 produces and be used for being ESD 60 electrically-charged power by first motor 40, and driving engine and driving system 90 disconnections, that is, no pull-up torque is delivered to driving system 90 from driving engine 20.And, for example, in the charge operation state, can control first motor 40 with start the engine 20.Regardless of the dynamical system running state, the electric power of can regenerating in braking or during sliding.
Fig. 3 has described the control program of carrying out as program code 200, is included in the one or more algorithms in the one or more control modules in the default circulation, with operational power system 10, for example with reference to the exemplary embodiments shown in Fig. 1,2,4,5 and 6.The whole control program 200 comprises determines operating personal demand, current dynamical system running state and based on the vehicle operating condition of operation demand.Based on operating personal demand, current dynamical system running state and condition of service, select the operation strategy.Based on operation strategy and operating personal demand, dynamical system running state and condition of service, 10 to dynamical system running statees of control powertrain system are with the pull-up torque of driving system and the form transmitted power of electric power generation.Those of ordinary skills should be realized that: wherein said control program 200 is applied to a plurality of electro-mechanical hybrid power architecture, comprises that series connection type hybrid power system, parallel connection type hybrid power system, power decompose hybrid power system and other hybrid power system.This comprises the system of wherein away from change-speed box 30 driving engine 20 and first motor 40 being installed.
During vehicle operating, preferably by operating personal interface module 14, the policer operation personnel demand.Determine current dynamical system running state and current condition of service (205).
Control system 15 determines whether operating personal demands and condition of service indicate and selects to comprise the operation strategy (210) of forcing the driving engine operation, and it comprises and engine condition is made as out (236).When available battery power or energy were lower than predetermined threshold value, for example determined as the state-of-charge of ESD60, control system 15 can be forced the driving engine operation.Can be identified for the predetermined threshold value of ESD60 charge condition based on the speed of a motor vehicle and operating personal torque requests.Preferably in BPCM62, based on battery information, comprise state-of-charge, battery temperature, battery life, mean temperature history, current depth of discharge, the accumulated discharge degree of depth, accumulation ampere-hour tolerance and other factors, determine the estimated valve of available battery power and energy.And when the temperature of ESD60 surpassed predetermined threshold value, control system 15 can be forced the driving engine operation.And control system 15 can be forced the driving engine operation, so that the operator's compartment heating to be provided under the low ambient temperature condition, to satisfy operating personal to comfortable expectation.And control system 15 can be forced driving engine operation, so that system cools and guard block to be provided in order to avoid overheated, first and second motors 40 and 50 and inverter module 45 for example.And control system 15 can periodically be forced the driving engine operation according to the predetermined instant table, systematically to use engine parts.This comprises operation driving engine and engine subsystems, the basic engine fuel system (not shown) of for example lubricated for example piston and bearing, and also the circulation actuator is to prevent using the degeneration that causes by lacking.And control system 15 can be forced the driving engine operation, adds the hot driving post-processing with controllable mode, thereby obtains or keep the temperature of exhaust aftertreatment devices (not shown).
After determining whether to force the driving engine operation, determine then whether preferred operation strategy comprises elec. vehicle range maximization strategy (following is " EV range maximization strategy ") (212,230).Move EV range maximization strategy with the mileage ability of maximization in an EV running state, for example continuous handling vehicle in the zone that can allow driving engine 20 operations.Carry out EV range maximization strategy, and trigger an EV running state subsequently, below will further describe.When triggering EV range maximization strategy, control system 15 is provided with preferred charge/discharge rate, to force power operation, thereby with the maximum charge rate is the ESD60 charging, so that the state-of-charge of ESD is above predetermined minimum state-of-charge and in admissible scope, satisfy all operating personal instructions (228,232) simultaneously to torque and additional function.Therefore, EV range maximization strategy comprises the operation of driving engine and the charging of ESD60, and can be (promptly in non-pure electric vehicle running state, the running state of engine condition wherein) finish in the dynamical system running state for closing, and comprise having the serial or parallel connection hybrid power architecture that suitable dynamic disperses, to guarantee the satisfying driveline torque demand, satisfy the auxiliary power function, and satisfy preferred charge rate.Therefore those of ordinary skills should recognize: in carrying out EV range maximization strategy, can use charge operation state and the electrical shift transmission running state of the embodiment shown in Fig. 1 and 2.Similarly, those of ordinary skills should recognize: in carrying out EV range maximization strategy, also can use the dynamical system structure of replacement, it comprises the fixed gear wheel running state, for example described hereinafter embodiment according to Fig. 4-6.Therefore those of ordinary skills will recognize: in carrying out EV range maximization strategy, and the engine condition that the dynamical system running state will comprise out.When but ESD60 obtains state-of-charge in allowed band, preferably be equivalent to high relatively state-of-charge, perhaps by the input of vehicle operator to operating personal interface device 18, or by other action about vehicle operating, control system 15 is kept ESD60 and is in charge condition, the operation in making the invalid or EV running state of initialization of EV range maximization strategy.According to preferred charge rate and ongoing vehicle ' timetable, can maybe can not order driving engine 20 to keep continuous running.As used in this, term charge rate and charge/discharge rate refer to the time-based ratio of electric power that flows into or flow out ESD60, are preferably ampere-hour (amp-hours).
Can trigger EV range maximization strategy automatically, for example when determining initial elec. vehicle running state.For example, use when vehicle operating by wireless network priori can with or the information that obtains from gps system and cartographic information, when vehicle near and near limit vehicle only EV move regional the time, can trigger EV range maximization strategy.Replacedly, the zone of one or more expectation EV operation be selected and be specified to vehicle operator can by the input to operating personal interface device 18.Replacedly, if known when comprising needs or expecting the default driving path of part of the operation of EV only, can trigger EV range maximization strategy so.Replacedly, vehicle operator can be by being passed to the input that shows the operator interface therewith 18 that operates in the preferential selection in the EV running state, select EV range maximization strategy, cause triggering EV range maximization strategy before the operation of control system 15 in the EV running state.Then prior to entering the EV operation area or before the expection of elec. vehicle running state, triggering EV range maximization strategy, with the ESD60 state-of-charge that obtains to allow to use electric quantity consumption operation strategy subsequently to move effectively.
When not forcing driving engine 20 operations and not indicating EV range maximization strategy, determine whether to allow electric quantity consumption operation strategy (214).Control system 15 determines whether to exist the running state of the electric quantity consumption that prevents to consume ESD60.This comprises health and the performance of monitoring ESD60.For example, when being lower than predetermined threshold value, do not allow electric quantity consumption operation strategy from the available output of ESD60 and/or energy.Based on the battery information that comprises state-of-charge, battery temperature, battery life, mean temperature history, current depth of discharge, the accumulated discharge degree of depth and accumulation ampere-hour tolerance, BPCM62 estimates available output and the energy from ESD60.
When allowing electric quantity consumption operation strategy, determine driving engine out of service whether be preferred (216).Control system 15 monitoring are also checked the condition that prevents that control system 15 from forcing driving engine 20 operations.These conditions comprise default dynamical system running state, and wherein default dynamical system running state comprises: with the operation of EV running state, be lower than threshold value up to the state-of-charge of ESD60, that is, ESD60 exhausts.Vehicle operator can select the EV running state for using the preferred dynamical system running state of vehicle-mounted input media, for example, selects to be used for the EV operation of operating personal interface device 18.When vehicle near the restriction vehicle only during the geographic area of EV operation, control system 15 can trigger an EV running state based on input from gps system to operating personal interface device 18 and driving engine out of service.Replacedly, utilize gps system and the vehicle electronics map that can use or obtain by wireless network priori when vehicle operating, operating personal can be selected and specify and expect the only specific region of EV operation.Selectively, control system 15 can be carried out default driving path based on operating personal and trigger an EV running state, comprises the part with required or desired only EV operation.When control system 15 determines that the EV running statees are preferred, engine condition is made as the pass, and kills engine or when driving engine cuts out, continue to kill engine (220).
When during partial journey, allowing the driving engine operation, improve electric quantity consumption operation strategy, to comprise the preferred charge/discharge rate (218) that is used for ESD60.When during partial journey, forcing the driving engine operation, comprise the preferred charge/discharge rate (234) that is identified for ESD60.Based on condition of service, comprise information about the driving style of current stroke and operating personal, determine preferred charge/discharge rate.Operating personal will be referred to the information input operation people operator interface devices 18 of current stroke, comprises for example distance or destination.Control system 15 monitoring and definite operating personal driving styles are to optimize the electric quantity consumption rate of ESD60.Preferably with graduate mode organizational information, wherein more customizing messages allows to travel the strategy change to improve performance.Have basic charge/discharge calibration, it comprises the minimum rate of discharge that is used for electric power consumption.Preferred charge/discharge rate when control system 15 uses minimum rate of discharge conduct not have other information.Minimum rate of discharge can minimize the use and/or the operating personal cost of the fuel of the desired distribution that is used for stroke distances and driving style.The statistical description of the vehicle travel in can the based target vehicle market designs minimum rate of discharge.
When the repetitive operation vehicle, the driving mode that is used for specific certifiable stroke can and stop the number of times statistics according to speed, acceleration/accel and characterize.Replacedly, operating personal can be by comprising that for example the user of one of city, urban district, peak time and cruise mode imports the selection driving mode, and it has and is used for the corresponding preferred charge/discharge rate that selected driving mode is determined.In addition, as being used for determining by gps data or by the elevation information that sensor is determined whether landform is steep or flat.According to this information, can revise minimum rate of discharge, for example be used for using the fuel that drives type to use with minimizing.
In service, control system 15 can confirm whether to carry out specific certifiable stroke.If known specific stroke can be optimized preferred charge/discharge rate at a plurality of points of stroke, to minimize fuel Occupation coefficient or operating cost.If the ratio of known stroke height range can use this information, during vehicle operating, to optimize obtaining of electromotive force regenerating braking energy.Control system 15 is determined preferred charge/discharge rates, comprises the electric quantity consumption rate that solves following factor, and is known: the ratio of travel speed and distance, total stroke length, recharge the ratio of behavior and stroke height and distance future in the expectation of stroke end.Can use several different methods to confirm the appearance of specific stroke, to allow control system 15 monitoring and acquisition information about stroke.It comprises that operating personal enters stroke distances by operating personal interface device 18; Operating personal is confirmed specific stroke, comprises the selection from the default table of depositing stroke, or road point is confirmed; Control system 15 is used the appearance of GPS information matches stroke; Or use is about the information of speed, acceleration/accel, time and distance.And, depart from vehicle under the situation of expectation stroke behavior, can regulate preferred charge/discharge rate and depart from consideration.This departing from comprises, for example, do not match, expects departing from and real-time traffic information of stroke route between expectation and the actual speed.By this way, baseline or default preferred charge/discharge rate are represented minimum expected performance.After between study and laundering period, expectation improves vehicle performance by basic charge/discharge rate.
When not forcing driving engine 20 operations, and do not trigger EV range maximization strategy, do not allow electric quantity consumption when strategy operation, select electric charge to keep the operation strategy, it comprises preferred charge/discharge rate is made as and causes that average SOC follows the trail of the value (222) of expectation target value.When preferred charge/discharge rate being made as zero, the operation of control system 15 control powertrain systems 10, so that the average state-of-charge of ESD60 is within the measured error of expectation target SOC, and in the predeterminated level that lags behind, to prevent cycle of engine.Expectation target SOC does not need to be fixed value, and can in the process of vehicle operating, change, the process of described vehicle operating is considered following factor: the expectation demand and the capacity of cell that for example are used for transmitted power and energy, because landform and/or the expectation that recharges the regenerating braking energy of chance are supplied with, and being exposed to charge condition with the minimise battery group leader phase, it causes the degradation ratio or the abrasion factor of increase.Control driving engine 20 and first and second motors 40 and 50, with generation electric power and torque, thereby the state-of-charge (224,226) of ESD60 is kept in the minimization system loss simultaneously.
When having determined preferred charge/discharge rate, for example, any one of optimal engine state (218,222,228) is confirmed as minimum system loss in efficiency (224).This comprises based on the state of charge/discharge rate, ESD60 and other factors, judges whether that dynamical system is that running state comprises as the engine condition of closing or as the engine condition of opening.
Control system 15 is determined the optimized operation point, and at this operating point place, control power system 10 is passed to the pull-up torque of driving system 90 with generation, generation is passed to the power of first motor 40, this motor produces electric power, the regenerative brake vehicle, and produce electric power thus.This comprises determines to export with 50 rotating speed and torque from control driving engine 20, first and second motors 40, with the torque requests that satisfies operating personal and be the electrically-charged any request of ESD60, and when controlling to the dynamical system running state of selection, based on operating personal demand, dynamical system state and running state (226), minimize expenditure of energy and loss in efficiency in the powertrain system 10.This operation comprises preferred one that selects in the obtainable dynamical system running state, comprise, for example, elec. vehicle running state, electrical shift transmission running state, electric vehicle charging running state, state-of-charge, fixed gear wheel running state and neutrality/charge operation state depend on the specific embodiment of employed powertrain system 10.Other condition of service that need to consider comprise the obtainable electric energy from ESD60.Consideration obtainable electric energy in ESD60 is in order to make that being lower than the probability that can not discharge prior to ESD60 under the predetermined minimum state-of-charge of trickle charge chance minimizes.In BPCM62, determine available electrical energy based on state-of-charge, battery temperature, battery life, mean temperature history, current depth of discharge, the discharge accumulation degree of depth and accumulation ampere-hour tolerance.Vehicle energy Occupation coefficient comprises the rolling loss and the road load of estimation, and these can be monitored and consider the design rate that is used to regulate expenditure of energy.And in order to select the most cost-effective control between fuel and electric power, system can use fuel cost information.Can position-based, or manually add, or via upgrading and determine fuel and power cost from external resource with the vehicle communication.
Fig. 4 has described to comprise another embodiment of driving engine 20 and the powertrain system 10C of electro-mechanical transmission 30C, this change-speed box comprises first and second motors 40 and 50, the first compound planet gear 34A, the second compound planet gear 34B, but engaging clutch C181 optionally, C283, C385, and C487.First teeth parts of gear cluster 34A, the sun wheel SA in the present embodiment is connected to first motor 40.Second teeth parts of gear cluster 34A, the gear ring RA in the present embodiment is connected to gear box input element 24, and this input element is connected to driving engine 20 again.The 3rd teeth parts of gear cluster 34A, the bidentate that is connected to dual planetary gear PA in the present embodiment is taken turns pinion carrier CA, is connected to first teeth parts of second motor 50 and gear cluster 34B, the sun wheel SB in the present embodiment.Second teeth parts of gear cluster 34B are connected to the pinion carrier CB of planetary wheel PB in the present embodiment, be connected to gearbox output element 64.The 3rd teeth parts of gear cluster 34B, the gear ring in the present embodiment can optionally be connected to change speed gear box (that is ground connection) via power-transfer clutch C181.The 3rd teeth parts of gear cluster 34B can optionally be connected to first teeth parts (the sun wheel SA in the present embodiment) and first motor 40 of gear cluster 34A via power-transfer clutch C283.Second motor 50 can optionally be connected to change speed gear box (that is ground connection) via power-transfer clutch C385 with first teeth parts (the sun wheel SB in the present embodiment) of gear cluster 34B.Second teeth parts of gear cluster 34A (the gear ring RA in the present embodiment) can optionally be connected to the 3rd teeth parts (being connected to the bidentate wheel pinion carrier CA of dual planetary gear PA in the present embodiment) of gear cluster 34A via power-transfer clutch C487 with gear box input element 24 (it is connected to driving engine 20 again), and are connected to first teeth parts (the sun wheel SB in the present embodiment) of second motor 50 and gear cluster 34B.
As table 3 auspicious stating, by the control engine condition and operate first and second motors 40 and 50 produce via gearbox output element 64, by optionally using the pull-up torque that power-transfer clutch is passed to driving system 90, with reference to powertrain system 10C optionally operation in one of several dynamical system running statees that Fig. 4 described.
Table 3
The dynamical system running state Employed power-transfer clutch The pull-up torque generation device Engine condition
EV1 EV2 EVT1 EVT2 FG1 FG2 FG3 FG4 neutrality/charging C1 C2 C1 C2 C1, C4 C1, C2 C2, C4 C2, C3 does not have First and second motor of second motor and second motor, first and second motor, first and second motor and second motor, first and second motor and first motor do not have Closing Kai Kaikaikaikaikai opens or closes
In first elec. vehicle (' EV1 ') running state, second motor 50 produces pull-up torque, and engine condition is for closing.In second elec. vehicle (' EV2 ') running state, first and second motors 40 and 50 produce pull-up torque, and engine condition is for closing.In the first electrical shift transmission (' EVT1 ') running state, engine condition is for opening, and driving engine 20 and second motor, the 50 main pull-up torques that produce those skilled in the art will recognize that first motor 40 can provide the counter torque that acts on pull-up torque.In the second electrical shift transmission (' EVT2 ') running state, engine condition is for opening, and driving engine 20, the first and second motors 40 and 50 produce pull-up torques.In the first fixed gear wheel running state (' FG1 '), driving engine 20, the first and second motors 40 and 50 produce pull-up torque.In the second fixed gear wheel running state (' FG2 '), driving engine 20 and second motor, the 50 main pull-up torques that produce.In the 3rd fixed gear wheel running state (' FG3 '), the driving engine 20 and first and second motors 40 and 50 produce pull-up torque.In the 4th fixed gear wheel running state (' FG4 '), driving engine 20 and first motor, the 40 main pull-up torques that produce.In each of the first, second, third and the 4th fixed gear wheel running state, the speed of gearbox output element 64 is directly corresponding to engine speed and fixed drive ratio.When engine condition when opening, in any running state process, driving engine 20 all can produce by first motor 40 be used to the electrically-charged power of ESD60.In neutrality/charge operation state, engine condition can be for opening, and driving engine 20 produces by first motor 40 and is used to the electrically-charged power of ESD60, and disconnects from driving system 90, that is, do not have pull-up torque to be passed to driving system 90 from driving engine 20.And, can control first motor 40, with start the engine 20 in engine condition can be for any dynamical system running state of opening.Regardless of the dynamical system running state, equal regenerative electric energy in braking or coasting events process.
Fig. 5 has described to comprise another embodiment of driving engine 20 and the power system 10D of electro-mechanical transmission 30D, this change-speed box comprises first and second motors 40 and 50, the first compound planet gear 34A, the second compound planet gear 34B, but optionally engaging clutch C181, C283, C385, C487 and C589.First teeth parts of gear cluster 34A, the sun wheel SA in the present embodiment is connected to first motor 40.Second teeth parts of gear cluster 34A, the gear ring RA in the present embodiment is connected to gear box input element 24, and this gear box input element is connected to driving engine 20 again.The 3rd teeth parts of gear cluster 34A, the bidentate that is connected to dual planetary gear PA in the present embodiment is taken turns pinion carrier CA, is connected to first teeth parts of second motor 50 and gear cluster 34B, the sun wheel SB in the present embodiment.Second teeth parts of gear cluster 34B are connected to the pinion carrier CB of planetary wheel PB in the present embodiment, be connected to gearbox output element 64.The 3rd teeth parts of gear cluster 34B, the gear ring in the present embodiment can optionally be connected to change speed gear box (that is ground connection) via power-transfer clutch C181.The 3rd teeth parts of gear cluster 34B can optionally be connected to first teeth parts (the sun wheel SA in the present embodiment) and first motor 40 of gear cluster 34A via power-transfer clutch C283.Second motor 50 can optionally be connected to change speed gear box (that is ground connection) via power-transfer clutch C385 with first teeth parts (the sun wheel SB in the present embodiment) of gear cluster 34B.Second teeth parts of gear cluster 34A (the gear ring RA in the present embodiment) can optionally be connected to the 3rd teeth parts (being connected to the bidentate wheel pinion carrier CA of dual planetary gear PA in the present embodiment) of gear cluster 34A via power-transfer clutch C487 with gear box input element 24 (it is connected to driving engine 20 again), and are connected to first teeth parts (the sun wheel SB in the present embodiment) of second motor 50 and gear cluster 34B.Second teeth parts of gear cluster 34A (the gear ring RA in the present embodiment) can optionally be connected to change-speed box case (that is ground connection) via power-transfer clutch C589 with gear box input element 24 (it is connected to driving engine 20 again).
As table 4 auspicious stating, by the control engine condition and operate first and second motors 40 and 50 produce via gearbox output element 64, by optionally using the pull-up torque that power-transfer clutch is passed to driving system 90, with reference to powertrain system 10D optionally operation in one of several dynamical system running statees that Fig. 5 described.
Table 4
The dynamical system running state Employed power-transfer clutch The pull-up torque generation device Engine condition
EV1 EV2 EVT1 EVT2 FG1 FG2 FG3 FG4 neutrality/charging C1, C5 C2, C5 C1 C2 C1, C4 C1, C2 C2, C4 C2, C3 does not have First and second motor of first and second motor and second motor, first and second motor, first and second motor and second motor, first and second motor and first motor do not have Closing Kai Kaikaikaikaikai opens or closes
In first elec. vehicle (' EV1 ') running state, second motor 50 produces pull-up torque, and engine condition is for closing.In second elec. vehicle (' EV2 ') running state, first and second motors 40 and 50 produce pull-up torque, and engine condition is for closing.In the first electrical shift transmission (' EVT1 ') running state, engine condition is for opening, and driving engine 20 and second motor, the 50 main pull-up torques that produce still those skilled in the art will recognize that first motor 40 can provide the counter torque that acts on pull-up torque.In the second electrical shift transmission (' EVT2 ') running state, engine condition is for opening, and driving engine 20, the first and second motors 40 and 50 produce pull-up torques.In the first fixed gear wheel running state (' FG1 '), driving engine 20, produce pull-up torques with first and second motors 40 and 50.In the second fixed gear wheel running state (' FG2 '), driving engine 20 and second motor, the 50 main pull-up torques that produce.In the 3rd fixed gear wheel running state (' FG3 '), driving engine 20, produce pull-up torques with first and second motors 40 and 50.In the 4th fixed gear wheel running state (' FG4 '), driving engine 20 and first motor, the 40 main pull-up torques that produce.In each of the first, second, third and the 4th fixed gear wheel running state, the speed of gearbox output element 64 is directly corresponding to engine speed and fixed drive ratio.When engine condition when opening, in any running state process, driving engine 20 all can produce by first motor 40 be used to the electrically-charged power of ESD60.In neutrality/charge operation state, engine condition can be for opening, and driving engine 20 produces by first motor 40 and is used to the electrically-charged power of ESD60, and disconnects from driving system 90, that is, do not have pull-up torque to be passed to driving system 90 from driving engine 20.And, can control first motor 40, with start the engine 20 in engine condition can be for any dynamical system running state of opening.Regardless of the dynamical system running state, equal regenerative electric energy in braking or coasting events process.
Fig. 6 has described to comprise another embodiment of driving engine 20 and the powertrain system 10E of electro-mechanical transmission 30E, this change-speed box comprises first and second motors 40 and 50, the first compound planet gear 34A, the second compound planet gear 34B, but engaging clutch C181 optionally, C283, C385, C487, and C691.First teeth parts of gear cluster 34A, the sun wheel SA in the present embodiment is connected to first motor 40.Second teeth parts of gear cluster 34A, the gear ring RA in the present embodiment can optionally be connected to gear box input element 24 and following the 3rd teeth parts with the gear cluster 34A that further describes.The 3rd teeth parts of gear cluster 34A, the bidentate that is connected to dual planetary gear PA in the present embodiment is taken turns pinion carrier CA, is connected to first teeth parts of second motor 50 and gear cluster 34B, the sun wheel SB in the present embodiment.Second teeth parts of gear cluster 34B are connected to the pinion carrier CB of planetary wheel PB in the present embodiment, be connected to gearbox output element 64.The 3rd teeth parts of gear cluster 34B, the gear ring in the present embodiment can optionally be connected to change speed gear box (that is ground connection) via power-transfer clutch C181.The 3rd teeth parts of gear cluster 34B can optionally be connected to first teeth parts (the sun wheel SA in the present embodiment) and first motor 40 of gear cluster 34A via power-transfer clutch C283.Second motor 50 can optionally be connected to change speed gear box (that is ground connection) via power-transfer clutch C385 with first teeth parts (the sun wheel SB in the present embodiment) of gear cluster 34B.Second teeth parts of gear cluster 34A (the gear ring RA in the present embodiment) can optionally be connected to and driving engine 20 bonded assembly gear box input elements 24 via power-transfer clutch C691.Second teeth parts of gear cluster 34A (the gear ring RA in the present embodiment) can optionally be connected to the 3rd teeth parts (being connected to the bidentate wheel pinion carrier CA of dual planetary gear PA in the present embodiment) of gear cluster 34A via power-transfer clutch C487, and are connected to first teeth parts (the sun wheel SB in the present embodiment) of second motor 50 and gear cluster 34B.
As table 5 auspicious stating, by the control engine condition and operate first and second motors 40 and 50 produce via gearbox output element 64, by optionally using the pull-up torque that power-transfer clutch is passed to driving system 90, with reference to powertrain system 10E optionally operation in one of several dynamical system running statees that Fig. 6 described.
Table 5
The dynamical system running state Employed power-transfer clutch The pull-up torque generation device Engine condition
EV1 EV2 EV3 C1,C6 C2,C6 C1,C4 First and second motor of first and second motor of second motor Guan Guanguan
EV4 EVT1 EVT2 FG1 FG2 FG3 FG4 neutrality/charging C2,C4 C1,C6 C2,C6 C1,C4,C6 C1,C2,C6 C2,C4,C6 C2,C3,C6 C6 First and second motor and second motor, first and second motor, first and second motor and second motor, first and second motor and first motor do not have Closing Kai Kaikaikaikaikai opens or closes
In first elec. vehicle (' EV1 ') running state, second motor 50 produces pull-up torque, and engine condition is for closing.In second elec. vehicle (' EV2 ') running state, first and second motors 40 and 50 produce pull-up torque, and engine condition is for closing.In the 3rd elec. vehicle (' EV3 ') running state, first and second motors 40 and 50 produce pull-up torque, and engine condition is for closing.In the 4th elec. vehicle (' EV4 ') running state, first and second motors 40 and 50 produce pull-up torque, and engine condition is for closing.In the first electrical shift transmission (' EVT1 ') running state, engine condition is for opening, and driving engine 20 and second motor, the 50 main pull-up torques that produce still those skilled in the art will recognize that first motor 40 can provide the counter torque that acts on pull-up torque.In the second electrical shift transmission (' EVT2 ') running state, engine condition is for opening, and driving engine 20, produces pull-up torques with first and second motors 40 and 50.In the first fixed gear wheel running state (' FG1 '), driving engine 20, produce pull-up torques with first and second motors 40 and 50.In the second fixed gear wheel running state (' FG2 '), driving engine 20 and second motor, the 50 main pull-up torques that produce.In the 3rd fixed gear wheel running state (' FG3 '), driving engine 20, produce pull-up torques with first and second motors 40 and 50.In the 4th fixed gear wheel running state (' FG4 '), driving engine 20 and first motor, the 40 main pull-up torques that produce.In each of the first, second, third and the 4th fixed gear wheel running state, the speed of gearbox output element 64 is directly corresponding to engine speed and fixed drive ratio.When engine condition when opening, in any running state process, driving engine 20 all can produce by first motor 40 be used to ESD 60 electrically-charged power.In neutrality/charge operation state, engine condition can be for opening, and driving engine 20 produces by first motor 40 and is used to ESD 60 electrically-charged power, and disconnects from power drive system 90, that is, do not have pull-up torque to be passed to driving system 90 from driving engine 20.And, can control first motor 40, with start the engine 20 in engine condition can be for any dynamical system running state of opening.Regardless of the dynamical system running state, equal regenerative electric energy in braking or coasting events process.
With specific preferred embodiment and the distortion the invention has been described.Can produce other further modifications and changes by reading and understanding specification sheets.Therefore, the present invention is not limited to realize optimal mode of the present invention and disclosed specific embodiment as expection that the present invention will comprise all embodiment that fall in the claims scope.

Claims (30)

1, a kind of powertrain system that is used for vehicle comprises:
Driving engine;
Electric energy storage system comprises that selectivity is electrically connected on the electrical energy storage device of far end supply;
Change-speed box, it comprises gear box input element, first motor that is operably connected to the gearbox output element that is operably connected to driving engine, second motor that is operably connected to the gear box input element, and the described first and second motor electricity are operatively connected to electric energy storage system; And
Control system, its signal ground are connected in a plurality of inputs and are operably connected to a plurality of actuators, and operationally the executive routine code is with control actuator operated driving engine and change-speed box for described control system, and this program code comprises:
A) based on input, determine operating personal demand, dynamical system running state and condition of service,
B) based on operating personal demand, dynamical system running state and condition of service, select the operation strategy,
C) determine preferred dynamical system running state and
D) based on selected operation strategy, operating personal demand and condition of service, the control dynamical system is to described preferred dynamical system running state.
2, powertrain system as claimed in claim 1 wherein moves strategy and comprises that electric quantity consumption strategy, electric weight keep one of strategy and elec. vehicle range maximization strategy.
3, powertrain system as claimed in claim 2, wherein selected operation strategy comprises the electric quantity consumption strategy, and determined preferred dynamical system running state comprises the elec. vehicle running state.
4, powertrain system as claimed in claim 3, wherein dynamical system is series hybrid-power system by permanently structured.
5, powertrain system as claimed in claim 3, wherein dynamical system is configured to series hybrid-power system by selectivity.
6, powertrain system as claimed in claim 5, wherein:
Change-speed box also comprises:
The compound planet gear that comprises first, second and the 3rd teeth parts,
Change speed gear box,
Described first teeth parts are connected to described second motor,
Described second teeth parts are connected to described gearbox output element,
The first selectivity ingear torque transmitter between described the 3rd teeth parts and described change speed gear box,
The second selectivity ingear torque transmitter between described the 3rd teeth parts and described first motor,
The torque transmitter that the 3rd selectivity is engageable, described first motor and described gear box input element are operably connected when it is engaged; With
The control dynamical system comprises one of following to described preferred dynamical system running state:
A) control the described first selectivity ingear torque transmitter be engaged, the described second and the 3rd selectivity ingear torque transmitter go the engagement, and described second motor provide torque and
B) the described second selectivity ingear torque transmitter of control is engaged, and the described first and the 3rd selectivity ingear torque transmitter goes engagement, and described first and second motors provide torque.
7, powertrain system as claimed in claim 3 wherein based on one of geographic position of operating personal preference and vehicle, is determined described preferred dynamical system running state.
8, powertrain system as claimed in claim 7, wherein the geographic position of vehicle comprises that restricted power is that running state is one of the zone of elec. vehicle running state and zone of operating personal affirmation.
9, powertrain system as claimed in claim 2, wherein:
Selected operation strategy comprises the electric quantity consumption strategy;
Program code also comprises to be determined preferred electric power charge/discharge rate and determines preferred engine state and selective operation driving engine based on described preferred electric power charge/discharge rate; With
Control dynamical system to described preferred dynamical system running state is further based on described preferred electric power charge/discharge rate and described preferred engine state.
10, powertrain system as claimed in claim 9, wherein said preferred dynamical system running state comprises elec. vehicle running state and one of electric vehicle charging running state and their combination.
11, powertrain system as claimed in claim 10, wherein dynamical system is series hybrid-power system by permanently structured.
12, powertrain system as claimed in claim 10, wherein dynamical system is configured to series hybrid-power system by selectivity.
13, powertrain system as claimed in claim 12, wherein:
Change-speed box also comprises:
The compound planet gear that comprises first, second and the 3rd teeth parts,
Change speed gear box,
Described first teeth parts are connected to described second motor,
Described second teeth parts are connected to described gearbox output element,
The first selectivity ingear torque transmitter between described the 3rd teeth parts and described change speed gear box,
The second selectivity ingear torque transmitter between described the 3rd teeth parts and described first motor,
The torque transmitter that the 3rd selectivity is engageable, described first motor and described gear box input element are operably connected when it is engaged; With
The control dynamical system comprises one of following to described preferred dynamical system running state:
A) control the described first selectivity ingear torque transmitter be engaged, the described second and the 3rd selectivity ingear torque transmitter go the engagement, and described second motor provide torque and
B) the described second selectivity ingear torque transmitter of control is engaged, and the described first and the 3rd selectivity ingear torque transmitter goes engagement, and described first and second motors provide torque.
14, powertrain system as claimed in claim 9, wherein said preferred electric power charge/discharge rate comprises predetermined minimum rate of discharge.
15, powertrain system as claimed in claim 14, wherein based on the operating personal input that comprises distance, comprise the destination operating personal input, operating personal driving style and the selected driving mode of operating personal at least one of them, pre-determine described predetermined minimum rate of discharge.
16, powertrain system as claimed in claim 14 wherein based on the appearance of predetermined stroke, pre-determines described predetermined minimum rate of discharge.
17, powertrain system as claimed in claim 16 wherein raise to be regulated described predetermined minimum rate of discharge based on vehicle during described predetermined stroke.
18, powertrain system as claimed in claim 16 wherein utilizes the global positioning system in the operating personal interface device that is integrated in vehicle, determines the appearance of described predetermined stroke.
19, powertrain system as claimed in claim 14 wherein based on fuel and electric cost, is regulated described predetermined minimum rate of discharge.
20, powertrain system as claimed in claim 2, wherein:
Selected operation strategy comprises that electric weight keeps strategy;
Described program code also comprises the state-of-charge of determining electrical energy storage device and preferred charge/discharge rate is set and keeps expected value with the average state-of-charge of realizing electrical energy storage device at electric weight; With
Control dynamical system to described preferred dynamical system running state is further based on the state-of-charge of described charge/discharge rate with preferred electric power charge/discharge rate and electrical energy storage device.
21, powertrain system as claimed in claim 20, wherein said electric weight keep expected value along with vehicle location changes.
22, powertrain system as claimed in claim 20 after wherein initial electric quantity consumption strategy stops, increases electric weight and keeps expected value.
23, powertrain system as claimed in claim 20, wherein said preferred dynamical system running state comprise elec. vehicle operation strategy and one of electric vehicle charging running state and their combination.
24, powertrain system as claimed in claim 23, wherein dynamical system is by the permanent series hybrid-power system that is configured to.
25, powertrain system as claimed in claim 23, wherein dynamical system is configured to series hybrid-power system by selectivity.
26, powertrain system as claimed in claim 25, wherein:
Change-speed box also comprises:
The compound planet gear that comprises first, second and the 3rd teeth parts,
Change speed gear box,
Described first teeth parts are connected to described second motor,
Described second teeth parts are connected to described gearbox output element,
The first selectivity ingear torque transmitter between described the 3rd teeth parts and described change speed gear box,
The second selectivity ingear torque transmitter between described the 3rd teeth parts and described first motor,
The torque transmitter that the 3rd selectivity is engageable, described first motor and described gear box input element are operably connected when it is engaged; With
The control dynamical system comprises one of following to described preferred dynamical system running state:
A) control the described first selectivity ingear torque transmitter be engaged, the described second and the 3rd selectivity ingear torque transmitter go the engagement, and described second motor provide torque and
B) the described second selectivity ingear torque transmitter of control is engaged, and the described first and the 3rd selectivity ingear torque transmitter goes engagement, and described first and second motors provide torque.
27, powertrain system as claimed in claim 1, wherein said preferred dynamical system running state comprises one of elec. vehicle running state, electric vehicle charging running state and charge operation state.
28, powertrain system as claimed in claim 1, wherein said program code also comprise when the available electrical power from electrical energy storage device is lower than predetermined power, force the driving engine operation.
29, powertrain system as claimed in claim 1, wherein said program code also comprise when one of at least running temperature in first and second motors surpasses predetermined temperature, force the driving engine operation.
30, powertrain system as claimed in claim 1, wherein said program code also comprise periodically forces the driving engine operation so that the engine parts operation.
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