CN1641676A - Mixed power vehicle multi-energy power assembly controller - Google Patents
Mixed power vehicle multi-energy power assembly controller Download PDFInfo
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- CN1641676A CN1641676A CN 200410091129 CN200410091129A CN1641676A CN 1641676 A CN1641676 A CN 1641676A CN 200410091129 CN200410091129 CN 200410091129 CN 200410091129 A CN200410091129 A CN 200410091129A CN 1641676 A CN1641676 A CN 1641676A
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- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000011217 control strategy Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract 2
- 239000000446 fuel Substances 0.000 abstract 1
- 230000005622 photoelectricity Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
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- 239000000203 mixture Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The invention relates to a mixing motor vehicle multiple energy sources motor assembly controller. It comprises single-chip used to supply with energy management strategy of the multiple energy sources motor assembly controller, electrical source detecting chip used to detect the powder supply stability of the single-chip, photo-electricity insulation component used to insulate the signal of the CAN bus from the single-chip, CAN signal level transform chip used to transform the CAN signal to the difference level on the bus, serial port signal transform chip used to transform the serial port level, regulated power supply used to supply the signal-chip with stable work voltage, insulation electrical source used to supply CAN bus with driving voltage and current, water joint used to supply program download and debugging, power supply, CAN communication, RS232 communication interface. When the invention gains the entire car state information, at the same time, the energy demanded for the system is distributed to each system power source based on the current working state of the entire car to realize the optimal control purpose between the fuel consuming and the entire car discharge.
Description
Technical field
The invention belongs to the automotive electronics applied technical field, relate to a kind of mixed power vehicle multi-energy power assembly controller.
Background technology
Multi-energy Powertrain Controller (hereinafter to be referred as HCU) is the crucial control assembly in PHEV car load operation sensing and the reaction system, and its performance quality will directly influence the vehicle performance quality.Existing HCU differently has different architectural characteristics according to what the difference (parallel connection, series connection, series-parallel connection) of PHEV self structure and car load control required.As " control engineering " 2003 06 phases, disclosed technology in " based on the hybrid vehicle energy assembly control system of DSP " literary composition, system has utilized DSP technical design mixed power vehicle multi-energy power assembly controller (core processor is selected the TMS320LF2407A of TI company for use), its structured flowchart as shown in Figure 1, it mainly comprises controller local area network CAN, serial communication interface RS232, A/D, I/O input and I/O output, HCU not only will finish the main task of formulating the system capacity operating strategy, and needs to carry out certain car load control and signals collecting.Because the latter will take certain processing time in operational process, certain limitation is arranged when realizing comparatively complicated control strategy and algorithm.Lack hardware on-line debugging system in addition, be not easy to the problem of discovery in real time in the real vehicle debugging.
Summary of the invention
The objective of the invention is to design a kind of mixed power vehicle multi-energy power assembly controller for overcoming the weak point of prior art, adopting with the single-chip microcomputer is the hardware configuration at center, realizes car load oil consumption and the best controlled target of discharging.
The mixed power vehicle multi-energy power assembly controller that the present invention proposes comprises:
(1) single-chip microcomputer: single-chip microcomputer obtains whole vehicle state information by the CAN bus, carries out the judgement of PHEV duty, and the current institute of computing system energy requirement, carries out energy distribution according to the control strategy of setting between each power source;
(2) power supply monitoring chip: in the time of outside voltage is allowing working range, produce reset signal, CPU restarts;
(3) optoelectronic isolating element: signal on the CAN bus and single-chip microcomputer are isolated, reduce the influence of external disturbance to single-chip microcomputer;
(4) CAN bus signals level transferring chip: be used to realize the mutual commentaries on classics of bus transfer differential level and single-chip microcomputer CAN signal logic level;
(5) serial ports level transferring chip: be used to realize the mutual commentaries on classics of transmission signals level and microcontroller serial port signal logic level;
(6) insulating power supply: being mainly 82C250 provides driving voltage and provides drive current for bus;
(7) power module of voltage regulation: be mainly single-chip microcomputer 5V is provided burning voltage, avoid being subjected to the influence of external voltage fluctuation to single-chip microcomputer work.
(8) 4 cores and 7 core aviation plug connectors: program download and debugging, power supply, CAN communication, RS232 communication interface are provided;
(9) control enclosure and Aviation Connector: cooperate and realize waterproof and dustproof, anti-electromagnetic interference (EMI) requirement, the control enclosure volume is little, easy for installation.
(10) be arranged on signal processing unit in the single-chip microcomputer: comprise that hardware driving and signal Processing and control strategy implement two functional modules: hardware driving and signal processing module are finished the processing of processor to the CAN communication information; Control strategy enforcement module is responsible for the enforcement in the car load power distribution strategies, realizes the controlled target of car load.
Characteristics of the present invention and technique effect:
The present invention is simple in structure, easy to operate, compares with existing correlation technique, and the present invention has the following advantages: at first because HCU need not to gather too much peripheral signal, so can finish the enforcement of control strategy with higher speed, control performance is better relatively in real time; The waterproof and dustproof of automobile controller, anti-electric requirement are satisfied in secondly totally enclosed control enclosure design, so the controller more stable work; This outer controller volume is urinated in the mounting arrangements on car load.
Description of drawings
Fig. 1 is existing Multi-energy Powertrain Controller block diagram.
The Multi-energy Powertrain Controller block diagram that Fig. 2 proposes for the present invention.
The Multi-energy Powertrain Controller embodiment schematic block circuit diagram that Fig. 3 proposes for the present invention.
Fig. 4 is the signal processing unit embodiment process flow diagram of the Multi-energy Powertrain Controller of the present invention's proposition.
Fig. 5 is mixed power car system works mode switch figure proposed by the invention.
Fig. 6 is a mixed power car torque demand distribution diagram proposed by the invention.
Fig. 7 is a mixed power car power division graph of a relation proposed by the invention
Embodiment
Mixed power vehicle multi-energy power assembly controller structure drawings and Examples of the present invention are described in detail as follows:
Composition structure of the present invention comprises as shown in Figure 2: single-chip microcomputer and be arranged on wherein signal processing unit, the power supply detection chip, the photoelectric isolated chip that link to each other with single-chip microcomputer, CAN bus level conversion chip, serial ports voltage transitions chip, stabilized voltage supply, the aviation socket, wherein:
The single-chip microcomputer model of present embodiment is 16 singlechip chip MC9S12DP256 that MOTOROAL company produces, and is used for energy management and system's control of hybrid power system, and it obtains whole vehicle state information by receiving data on the CAN bus;
The power supply monitoring chip MC34064 of present embodiment and peripheral cell thereof are formed reset circuit of SCM, the stability of monitoring single-chip microcomputer supply voltage, when 10% voltage fluctuation takes place in system voltage, power supply monitoring chip MC34064 produces the signal that single-chip microcomputer is resetted, and guarantees the single-chip microcomputer operate as normal;
The photoelectric isolated chip 6N137 of present embodiment and CAN bus level conversion chip 82C250 and peripheral cell thereof are formed the system CAN communication processing circuit, Signal Spacing effect by photoelectric isolated chip 6N137, reduced the interference of external signal to single-chip microcomputer, CAN bus level conversion chip 82C250 has realized the mutual commentaries on classics of CAN signal and bus differential level;
The serial ports voltage transitions chip MAX232 and the outer member thereof of present embodiment have been formed RS232 serial communication treatment circuit, and serial ports voltage transitions chip MAX232 is used for the mutual commentaries on classics between serial data and the drive level;
Single-chip microcomputer power supply and bus-powered method of separating design have been adopted in system's power supply of present embodiment: power module of voltage regulation LM2575 and peripheral cell thereof (overvoltage and reverse-phase protection and filtering circuit) have been formed the single-chip microcomputer feed circuit, the stable 5V voltage that becomes single-chip microcomputer to use automobile-used 12V power source conversion, power module of voltage regulation LM2575 input range 9-12V, the stability of assurance system works; Insulating power supply DCDC12S5 and peripheral cell thereof (filtering circuit) are used for providing driving voltage and electric current to the CAN bus; The 5V voltage isolation that single-chip microcomputer is used generates CAN bus driver voltage.The separately design of feed circuit helps reducing the interference of outer power voltage fluctuation to the single-chip microcomputer operating voltage;
Each parts of present embodiment are installed in the controller box of an all-aluminium construction, and IO interface has adopted one 4 core and 27 core aviation sockets, is respectively applied for power supply, CAN communication, program download and debugging and RS232 communication interface.The good fit Multi-energy Powertrain Controller that makes of controller box and aviation socket satisfies waterproof and dustproof, anti-electromagnetic interference (EMI) designing requirement.
The realization circuit of present embodiment as shown in Figure 3, its element and function declaration thereof are as follows:
1, single-chip microcomputer: U1 (MC9S12DP256);
2, the reset circuit acting in conjunction that reset circuit of SCM: U3 (MC34064) and resistance R 4, R7, switch S 1, diode Q1 form, the variation of monitoring supply voltage;
3, CAN communication treatment circuit: D1, D2, D3 (82C50), D4, D5, D6, D7, D8, D9 (6N137), resistance R 21, R22, R23 mainly play the hindrance function on the balance bus;
4, RS232 serial communication treatment circuit: D10 (MAX232), peripheral capacitor C 24, C25, C26, C27, C28;
5, insulating power supply and peripheral cell thereof: U4 (DCDC12S05), C8, C9, C22, C23 play the redundant filter action of secondary;
6, power module of voltage regulation and peripheral cell thereof: U5 (LM2575), diode V3, V1 and capacitor C 33, C34 play current limliting, overvoltage and reverse-phase protection effect, and C35, C36, C37 play the redundant filter action of secondary
7, aviation socket: J1 (power supply), J2 (CAN mouth), J3 (program download and debug port, serial ports);
The realization flow of the hardware driving of the signal processing unit of present embodiment and signal Processing and two functional modules of control strategy enforcement may further comprise the steps as shown in Figure 4:
After powering on, enter system start-up behind the system initialization and wait for.When key switch forwards the startup shelves to, finish the initialization of modules such as CAN communication, timer.Enter major cycle subsequently, its flow process is as follows:
(1) judges the mode of operation of PHEV according to a plurality of state parameters such as clutch engagement signal, accelerator pedal position, brake pedal position, gear signal and SOC value of battery.Relation between concrete mode of operation and the various mode of operation as shown in Figure 5, system has adopted the differentiated control mode: the judgement that at first is first class mode, be tail-off or unlatching, if secondly engine is in opening, according to the condition judgment system be in treat speed, normally the operation or the electric motor starting subpattern, if last engine is in braking energy recovery, charging or the subpattern of motor power-assisted according to the condition judgment system under normal operation mode;
(2), calculate the torque demand of car load under the present mode according to torque demand figure as shown in Figure 6 according to work at present pattern, engine speed and the accelerator pedal position judged;
(3),, carry out the torque distribution of engine and ISG motor according to optimizing ICE curve power distribution strategies according to the car load torque demand.The concrete relations of distribution as shown in Figure 7, horizontal ordinate is an engine speed, ordinate is the current torque demand, corresponding each engine speed, when torque demand when a curve is following, kill engine, provide driving torque by motor, when torque demand when the b curve is above, engine and motor provide driving torque jointly, when torque demand was between a curve and b curve, engine was carried separately provided driving torque;
(4) whether occur reporting to the police or fault according to current each assembly, carry out the restriction control of the torque of engine and ISG motor, and control such as shut down according to fault level.
Claims (1)
1, a kind of mixed power vehicle multi-energy power assembly controller, it is characterized in that, comprise: a box body and be installed in the single-chip microcomputer in the box body and be arranged on wherein signal processing unit, the power supply detection chip that links to each other with this single-chip microcomputer, optoelectronic isolating element, CAN bus level conversion chip, serial ports voltage transitions chip and stabilized voltage supply, and the aviation socket that links to each other with described each components and parts respectively, wherein:
Single-chip microcomputer obtains whole vehicle state information by receiving data on the CAN bus, judges system works pattern and car load energy requirement, and management car load energy makes each power source be operated in efficient district in the distribution of power source;
The power supply detection chip is used to detect the power supply stability of single-chip microcomputer;
Optoelectronic isolating element is used for signal on the CAN bus and single-chip microcomputer are isolated, and reduces the influence of external disturbance to single-chip microcomputer;
CAN bus level conversion chip is used to realize the conversion of CAN signal to the bus differential level;
Serial ports voltage transitions chip is used for the conversion between serial data and the drive level;
Stabilized voltage supply is used for providing stable operating voltage to single-chip microcomputer;
Insulating power supply is used for providing driving voltage and electric current to the CAN bus;
The aviation plug connector is used to provide program download and debugging, power supply, CAN communication, RS232 communication interface;
Box body is used to protect above-mentioned each components and parts to realize waterproof and dustproof, anti-electromagnetic interference (EMI) requirement;
Signal processing unit comprises hardware driving and signal Processing and two functional modules of control strategy enforcement, and this hardware driving and signal processing module are finished the processing of processor to the CAN communication information; This control strategy enforcement module is responsible for the enforcement in the car load power distribution strategies, realizes the controlled target of car load.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100911294A CN100345147C (en) | 2004-11-19 | 2004-11-19 | Mixed power vehicle multi-energy power assembly controller |
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| CNB2004100911294A CN100345147C (en) | 2004-11-19 | 2004-11-19 | Mixed power vehicle multi-energy power assembly controller |
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| CN1641676A true CN1641676A (en) | 2005-07-20 |
| CN100345147C CN100345147C (en) | 2007-10-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403781A (en) * | 2011-10-29 | 2012-04-04 | 苏州海格新能源汽车电控系统科技有限公司 | Signal and power switching circuit of whole hybrid vehicle controller |
| CN102419561A (en) * | 2010-09-28 | 2012-04-18 | 上海海能汽车电子有限公司 | Single-shaft parallel type hybrid power system whole vehicle controller |
| CN102416950A (en) * | 2011-10-31 | 2012-04-18 | 大连理工大学 | Minimum equivalent fuel consumption-based hybrid electrical vehicle control method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738320B (en) * | 2008-11-06 | 2012-02-08 | 东风电动车辆股份有限公司 | Hybrid vehicle powertrain test system capable of simulating working condition and inertia |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2367795B (en) * | 2000-10-11 | 2004-07-14 | Ford Motor Co | A control system for a hybrid electric vehicle |
| CN1215947C (en) * | 2002-12-09 | 2005-08-24 | 北京交通大学 | Multiple power assembly controller for parallel mixing power electric car |
| CN1298572C (en) * | 2003-09-26 | 2007-02-07 | 清华大学 | MPC500 process type electric car multi-energy power assembly control device |
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2004
- 2004-11-19 CN CNB2004100911294A patent/CN100345147C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419561A (en) * | 2010-09-28 | 2012-04-18 | 上海海能汽车电子有限公司 | Single-shaft parallel type hybrid power system whole vehicle controller |
| CN102419561B (en) * | 2010-09-28 | 2013-07-31 | 上海海能汽车电子有限公司 | Single-shaft parallel type hybrid power system whole vehicle controller |
| CN102403781A (en) * | 2011-10-29 | 2012-04-04 | 苏州海格新能源汽车电控系统科技有限公司 | Signal and power switching circuit of whole hybrid vehicle controller |
| CN102403781B (en) * | 2011-10-29 | 2014-06-11 | 苏州海格新能源汽车电控系统科技有限公司 | Signal and power switching circuit of whole hybrid vehicle controller |
| CN102416950A (en) * | 2011-10-31 | 2012-04-18 | 大连理工大学 | Minimum equivalent fuel consumption-based hybrid electrical vehicle control method |
| CN102416950B (en) * | 2011-10-31 | 2013-06-19 | 大连理工大学 | Minimum equivalent fuel consumption-based hybrid electrical vehicle control method |
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| CN100345147C (en) | 2007-10-24 |
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Granted publication date: 20071024 Termination date: 20201119 |