CN101927764A - Double-HCU integrated control system of hybrid power vehicle - Google Patents
Double-HCU integrated control system of hybrid power vehicle Download PDFInfo
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Abstract
The invention provides an HCU (Hybrid Control Unit) integrated control system of a hybrid power vehicle, belonging to the technical field of hybrid power vehicles and solving the problems of poor economy and high cost of a multi-energy power assembly controller of the traditional hybrid power vehicle. The double HCU integrated control system of the hybrid power vehicle comprises a main HCU and an auxiliary HCU, wherein the main HCU and the auxiliary HCU are respectively linked with an operating mechanism, the main HCU is connected with an energy control mechanism through a CAN (Controller Area Network) bus, the auxiliary HCU is connected to the CAN bus and can receive a state signal of the main HCU, the main HCU can control the energy control mechanism according to an input signal of the operating mechanism, and the auxiliary HCU can replace the main HCU when receiving the state signal that the main HCU has a fault so as to control the energy control mechanism according to the input signal of the operating mechanism. The invention has the advantages of high reliability, high safety and the like.
Description
Technical field
The invention belongs to the hybrid vehicle technical field, especially relate to a kind of double-HCU integrated control system of hybrid vehicle.
Background technology
In hybrid vehicle, ISG controller, drive motor controller, BMS etc. mainly are in charge of and are coordinated to Multi-energy Powertrain Controller (being HCU), reasonably controls the Full Vehicle System energy source, makes car load satisfy dynamic property and economy requirement.So the reliability of HCU system and the overall performance that safety will be directly connected to vehicle.If, will directly cause the security of system problem, even cause the paralysis of vehicle control system because external interference or other factors cause the HCU fault.
For the reliability and the safety that improve Multi-energy Powertrain Controller, people have carried out long-term exploration, have proposed various solutions.For example Chinese patent literature discloses a kind of parallel hybrid electric vehicle Multi-energy Powertrain Controller [application number: CN02153979.0], this device comprises hardware and software two parts, it is characterized in that the controller hardware structure by 1. TMS320LF2407 digital signal processor, 2. acquisition of signal and disposal system, 3. the control signal output system, 4. CAN bus communication control system, 5. the serial communication control system, 6. by key control and digital display system, 7. DC/DC power converting circuit module is formed; Software system are then mainly formed by driving energy management control policy part, mode switch control logic part etc.This system flexibility is better, is easy to expansion, can the distribution that drive energy in the parallel hybrid electric vehicle driving process be managed, and improves the fuel economy of automobile, reduces discharge of harmful gases.The somebody has invented a kind of mixed power vehicle multi-energy power assembly controller [application number: CN200410091129.4], comprising: micro controller system is used to provide the energy management strategy of Multi-Energy Dynamic Assemble Control System; The power supply detection chip, the power supply stability of detection micro controller system; Optoelectronic isolating element is isolated signal on the CAN bus and micro controller system; CAN signal level conversion chip is used for the conversion between the differential level on CAN signal and the bus; The rs 232 serial interface signal conversion chip is used for the serial ports level conversion; Constant voltage power suspply is used for providing stable operating voltage to micro controller system; Insulating power supply is used for providing driving voltage and electric current to the CAN bus; Waterproof joint provides program download and debugging, power supply, CAN communication, RS232 communication interface.This scheme based on car load work at present state, is given each propulsion source of system with the required energy distribution of system when obtaining the whole vehicle state information of same, realize the best controlled target of fuel oil consumption and car load discharging
Yet, all only have a Multi-energy Powertrain Controller HCU in above-mentioned two kinds of schemes, when breaking down, it still can cause systemic breakdown, therefore still exist the security of system problem, the less stable of system's operation.On the other hand, if adopt expensive parts, though can improve stability and safety to a certain extent, economy is relatively poor, will be to increasing the cost of hybrid vehicle greatly.
Summary of the invention
The objective of the invention is at the problems referred to above, provide a kind of reliability and safety that can effectively improve hybrid vehicle, the double-HCU integrated control system of hybrid vehicle easy for operation
For achieving the above object, the present invention has adopted following technical proposal: the double-HCU integrated control system of this hybrid vehicle, be arranged between the operating mechanism and energy control mechanism of hybrid vehicle, it is characterized in that, this control system comprises main HCU and auxiliary HCU, described main HCU and auxiliary HCU link with operating mechanism respectively, described main HCU links by CAN bus and energy control mechanism, described auxiliary HCU is connected on the CAN bus and can receives the status signal of main HCU, described main HCU can be according to the incoming signal of operating mechanism control energy control mechanism, thereby described auxiliary HCU can take over the incoming signal control energy control mechanism of main HCU according to operating mechanism when receiving the status signal that main HCU breaks down.
Among the present invention, when main HCU was in normal working, main HCU can control energy control mechanism according to the signal of operating mechanism input; At this moment, auxiliary HCU is in dormant state, and auxiliary HCU can not respond the signal of operating mechanism input and handle.Main HCU sends to the oneself state signal auxiliary HCU in real time, and when main HCU normal operation, auxiliary HCU only receives the CAN bus signals, and does not send signal to the CAN bus.When auxiliary HCU receives the status signal that main HCU breaks down, main HCU no longer controls energy control mechanism according to the signal of operating mechanism input, at this moment, auxiliary HCU takes over main HCU, thereby controls energy control mechanism according to the incoming signal of operating mechanism.Obviously, adopted two-sep control among the present invention, when wherein one-level broke down, another time in time taken over job, thereby the assurance system normally moves, and has improved stability and safety effectively.When main HCU recovers just often, can control again by main HCU.
In the double-HCU integrated control system of above-mentioned hybrid vehicle, described operating mechanism comprises ignition key, acceleration pedal, brake pedal and selector.
In the double-HCU integrated control system of above-mentioned hybrid vehicle, described energy control mechanism comprises drive motor controller, ISG electric machine controller, power battery management system and driving engine.
In the double-HCU integrated control system of above-mentioned hybrid vehicle, described main HCU comprises the master controller that links with the CAN bus, described operating mechanism is connected on the master controller, on master controller, be connected with house dog and major error diagnostic module, described house dog can to master controller monitor and when master controller breaks down house dog master controller is resetted, simultaneously described major error diagnostic module can carry out trouble diagnosing to master controller.
In the double-HCU integrated control system of above-mentioned hybrid vehicle, be connected with main monitoring module on the described master controller, described main monitoring module can with the calculating output valve of master controller and the output valve of himself compares and when both differences surpassed setting range, described major error diagnostic module can carry out trouble diagnosing to master controller.
In the double-HCU integrated control system of above-mentioned hybrid vehicle, described auxiliary HCU comprises the subcontrol that links with the CAN bus, described operating mechanism is connected on the subcontrol, on subcontrol, be connected with auxiliary fault diagnosis module and auxiliary monitoring module, described auxiliary monitoring module can with the calculating output valve of subcontrol and the output valve of himself compares and when both differences surpassed setting range, described auxiliary fault diagnosis module can carry out trouble diagnosing to subcontrol.
In the HCU of above-mentioned hybrid vehicle whole-control system, described master controller is 32 micro controller systems, and described subcontrol is 8 micro controller systems.
The overwhelming majority time is in state of a control by master controller, and subcontrol only plays emergent supplementary function, prevents safety misadventure, so there is no need to adopt the treater identical with master controller.Master controller of the present invention adopts High Performance and the relative high processing device of price, and subcontrol adopts the treater that performance is relatively poor relatively and price is also lower.Therefore, the present invention has not only effectively improved safety, has also taken into account economy simultaneously.
In the HCU of above-mentioned hybrid vehicle whole-control system, described master controller is MPC5604B, and described subcontrol is MC9S08DZ60.
Compared with prior art, the advantage of the double-HCU integrated control system of this hybrid vehicle is: 1, adopted two-sep control, when wherein one-level broke down, another time in time taken over job, thereby the assurance system normally moves, and has improved stability and safety effectively.2, master controller adopts High Performance and the relative high processing device of price, and subcontrol adopts the treater that performance is relatively poor relatively and price is also lower, has not only effectively improved safety, has also taken into account economy simultaneously.
Description of drawings
Fig. 1 is a structural representation provided by the invention.
Among the figure, main HCU 1, master controller 10, house dog 11, major error diagnostic module 12, main monitoring module 13, auxiliary HCU2, subcontrol 20, auxiliary fault diagnosis module 21, auxiliary monitoring module 22, CAN bus 3, ignition key 41, acceleration pedal 42, brake pedal 43, selector 44, drive motor controller 51, ISG electric machine controller 52, power battery management system 53, driving engine 54.
The specific embodiment
As shown in Figure 1, the double-HCU integrated control system of this hybrid vehicle is arranged between the operating mechanism and energy control mechanism of hybrid vehicle.Operating mechanism comprises ignition key 41, acceleration pedal 42, brake pedal 43 and selector 44.Energy control mechanism comprises drive motor controller 51, ISG electric machine controller 52, power battery management system 53 and driving engine 54.
This control system comprises main HCU1 and auxiliary HCU2, and main HCU1 and auxiliary HCU2 link with operating mechanism respectively.Main HCU1 links by CAN bus 3 and energy control mechanism, and auxiliary HCU2 is connected on the CAN bus 3 and can receives the status signal of main HCU1.Main HCU1 can be according to the incoming signal of operating mechanism control energy control mechanism, thereby auxiliary HCU2 can take over the incoming signal control energy control mechanism of main HCU1 according to operating mechanism when receiving the status signal that main HCU1 breaks down.
More particularly, main HCU1 comprises the master controller 10 that links with CAN bus 3, and operating mechanism is connected on the master controller 10.On master controller 10, be connected with house dog 11 and major error diagnostic module 12.House dog 11 can to master controller 10 monitor and when master controller 10 breaks down house dog 11 master controller 10 is resetted, simultaneously major error diagnostic module 12 can carry out trouble diagnosing to master controller 10.Be connected with main monitoring module 13 on the master controller 10, main monitoring module 13 can with the calculating output valve of master controller 10 and the output valve of himself compares and when both differences surpassed setting range, major error diagnostic module 12 can carry out trouble diagnosing to master controller 10.
Auxiliary HCU2 comprises the subcontrol 20 that links with CAN bus 3, and operating mechanism is connected on the subcontrol 20.On subcontrol 20, be connected with auxiliary fault diagnosis module 21 and auxiliary monitoring module 22.Auxiliary monitoring module 22 can be with the calculating output valve of subcontrol 20 with the output valve of himself compares and when both differences during above setting range, assist fault diagnosis module 21 to carry out trouble diagnosing to subcontrol 20.
In the present embodiment, master controller 10 is 32 micro controller systems, and subcontrol 20 is 8 micro controller systems.More particularly, master controller 10 is MPC5604B, and subcontrol 20 is MC9S08DZ60.
When master controller 10 was in normal working, master controller 10 can be controlled energy control mechanism according to the signal of operating mechanism input; At this moment, subcontrol 20 is in dormant state, and subcontrol 20 can not respond the signal of operating mechanism input and handle.Master controller 10 sends to subcontrol 20 with the oneself state signal in real time, and when master controller 10 normal operation, subcontrol 20 only receives CAN bus 3 signals, and does not send signal to CAN bus 3.When subcontrol 20 receives the status signal that master controller 10 breaks down, master controller 10 is no longer controlled energy control mechanism according to the signal of operating mechanism input, at this moment, subcontrol 20 is taken over master controller 10, thereby controls energy control mechanism according to the incoming signal of operating mechanism.Master controller 10 adopts High Performance and the relative high processing device of price, and subcontrol 20 adopts the treater that performance is relatively poor relatively and price is also lower.Therefore, the present invention has not only effectively improved safety, has also taken into account economy simultaneously.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.The technical personnel of the technical field of the invention can be made various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as main HCU1, master controller 10, house dog 11, major error diagnostic module 12, main monitoring module 13, auxiliary HCU2, subcontrol 20, auxiliary fault diagnosis module 21, auxiliary monitoring module 22, CAN bus 3, ignition key 41, acceleration pedal 42, brake pedal 43, selector 44, drive motor controller 51, ISG electric machine controller 52, power battery management system 53, driving engine 54 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (8)
1. the HCU whole-control system of a hybrid vehicle, be arranged between the operating mechanism and energy control mechanism of hybrid vehicle, it is characterized in that, this control system comprises main HCU (1) and auxiliary HCU (2), described main HCU (1) and auxiliary HCU (2) link with operating mechanism respectively, described main HCU (1) links by CAN bus (3) and energy control mechanism, described auxiliary HCU (2) is connected in the status signal that CAN bus (3) went up and can receive main HCU (1), described main HCU (1) can be according to the incoming signal of operating mechanism control energy control mechanism, described auxiliary HCU (2) can when receiving the status signal that main HCU (1) breaks down, take over main HCU (1) thus according to the incoming signal control energy control mechanism of operating mechanism.
2. the HCU whole-control system of hybrid vehicle according to claim 1 is characterized in that, described operating mechanism comprises ignition key (41), acceleration pedal (42), brake pedal (43) and selector (44).
3. the HCU whole-control system of hybrid vehicle according to claim 1, it is characterized in that described energy control mechanism comprises drive motor controller (51), ISG electric machine controller (52), power battery management system (53) and driving engine (54).
4. according to the HCU whole-control system of claim 1 or 2 or 3 described hybrid vehicles, it is characterized in that, described main HCU (1) comprises the master controller (10) that links with CAN bus (3), described operating mechanism is connected on the master controller (10), on master controller (10), be connected with house dog (11) and major error diagnostic module (12), described house dog (11) can to master controller (10) monitor and when master controller (10) when breaking down house dog (11) master controller (10) is resetted, simultaneously described major error diagnostic module (12) can carry out trouble diagnosing to master controller (10).
5. the HCU whole-control system of hybrid vehicle according to claim 4, it is characterized in that, be connected with main monitoring module (13) on the described master controller (10), described main monitoring module (13) can with the calculating output valve of master controller (10) and the output valve of himself compares and when both differences surpassed setting range, described major error diagnostic module (12) can carry out trouble diagnosing to master controller (10).
6. the HCU whole-control system of hybrid vehicle according to claim 5, it is characterized in that, described auxiliary HCU (2) comprises the subcontrol (20) that links with CAN bus (3), described operating mechanism is connected on the subcontrol (20), on subcontrol (20), be connected with auxiliary fault diagnosis module (21) and auxiliary monitoring module (22), described auxiliary monitoring module (22) can with the calculating output valve of subcontrol (20) and the output valve of himself compares and when both differences surpassed setting range, described auxiliary fault diagnosis module (21) can carry out trouble diagnosing to subcontrol (20).
7. the HCU whole-control system of hybrid vehicle according to claim 6 is characterized in that, described master controller (10) is 32 micro controller systems, and described subcontrol (20) is 8 micro controller systems.
8. the HCU whole-control system of hybrid vehicle according to claim 7 is characterized in that, described master controller (10) is MPC5604B, and described subcontrol (20) is MC9S08DZ60.
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN103782066A (en) * | 2011-09-02 | 2014-05-07 | Zf腓德烈斯哈芬股份公司 | Shift-by-wire system |
| CN104097586A (en) * | 2013-04-11 | 2014-10-15 | 陈言平 | Integral controller of electric automobile |
| CN104192142A (en) * | 2014-08-15 | 2014-12-10 | 潍柴动力股份有限公司 | Start and stop control method and system for hybrid vehicle engine |
| CN105278371A (en) * | 2015-10-10 | 2016-01-27 | 华南理工大学 | Control system and control method of integrated dual-control module of electric automobile |
| CN105416206A (en) * | 2015-12-18 | 2016-03-23 | 安徽江淮汽车股份有限公司 | Electric automobile whole-vehicle controller and control method |
| CN106891898A (en) * | 2017-01-23 | 2017-06-27 | 斑马信息科技有限公司 | Vehicle supplementary controlled system and control method |
| CN107199878A (en) * | 2017-07-07 | 2017-09-26 | 汉腾汽车有限公司 | A kind of intelligent four-wheel-drive hybrid power system |
| WO2018177360A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Vehicle control method and power system for hybrid electric vehicle |
| WO2018177357A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Vehicle control method and power system for hybrid electric vehicle |
| CN108657172A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN108656920A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN108656926A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN108674405A (en) * | 2017-03-31 | 2018-10-19 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN108974015A (en) * | 2017-06-01 | 2018-12-11 | 通用汽车环球科技运作有限责任公司 | Under failure for being required with finite availability can operating function asymmetric system framework |
| CN112622927A (en) * | 2019-10-09 | 2021-04-09 | 宁波吉利汽车研究开发有限公司 | Vehicle driving control method and device, electronic equipment and storage medium |
| CN113119885A (en) * | 2019-12-30 | 2021-07-16 | 观致汽车有限公司 | Vehicle control unit abnormality detection method for electric vehicle and electric vehicle |
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2010
- 2010-08-19 CN CN2010102574303A patent/CN101927764A/en active Pending
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| CN103782066A (en) * | 2011-09-02 | 2014-05-07 | Zf腓德烈斯哈芬股份公司 | Shift-by-wire system |
| CN103782066B (en) * | 2011-09-02 | 2016-10-26 | Zf腓德烈斯哈芬股份公司 | Shift-by-wire system |
| 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 |
| 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 |
| CN104097586A (en) * | 2013-04-11 | 2014-10-15 | 陈言平 | Integral controller of electric automobile |
| CN104097586B (en) * | 2013-04-11 | 2015-11-18 | 陈言平 | Vehicle control unit of electric vehicle |
| CN104192142A (en) * | 2014-08-15 | 2014-12-10 | 潍柴动力股份有限公司 | Start and stop control method and system for hybrid vehicle engine |
| CN105278371A (en) * | 2015-10-10 | 2016-01-27 | 华南理工大学 | Control system and control method of integrated dual-control module of electric automobile |
| CN105416206B (en) * | 2015-12-18 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle control unit of electric vehicle and control method |
| CN105416206A (en) * | 2015-12-18 | 2016-03-23 | 安徽江淮汽车股份有限公司 | Electric automobile whole-vehicle controller and control method |
| CN106891898A (en) * | 2017-01-23 | 2017-06-27 | 斑马信息科技有限公司 | Vehicle supplementary controlled system and control method |
| CN108657172A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN108656920B (en) * | 2017-03-31 | 2020-08-25 | 比亚迪股份有限公司 | Whole vehicle control method and power system of hybrid electric vehicle |
| WO2018177357A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Vehicle control method and power system for hybrid electric vehicle |
| CN108656925B (en) * | 2017-03-31 | 2020-10-23 | 比亚迪股份有限公司 | Whole vehicle control method and power system of hybrid electric vehicle |
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| CN108656926A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN108656925A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN108674405A (en) * | 2017-03-31 | 2018-10-19 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| CN108674406A (en) * | 2017-03-31 | 2018-10-19 | 比亚迪股份有限公司 | The control method of finished and dynamical system of hybrid vehicle |
| WO2018177360A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Vehicle control method and power system for hybrid electric vehicle |
| CN108674406B (en) * | 2017-03-31 | 2020-03-31 | 比亚迪股份有限公司 | Whole vehicle control method and power system of hybrid electric vehicle |
| CN108656926B (en) * | 2017-03-31 | 2020-05-19 | 比亚迪股份有限公司 | Whole vehicle control method and power system of hybrid electric vehicle |
| CN108657172B (en) * | 2017-03-31 | 2020-07-10 | 比亚迪股份有限公司 | Whole vehicle control method and power system of hybrid electric vehicle |
| CN108974015A (en) * | 2017-06-01 | 2018-12-11 | 通用汽车环球科技运作有限责任公司 | Under failure for being required with finite availability can operating function asymmetric system framework |
| CN108974015B (en) * | 2017-06-01 | 2021-07-23 | 通用汽车环球科技运作有限责任公司 | Asymmetric system architecture for fail-operational functionality with limited availability requirements |
| CN107199878A (en) * | 2017-07-07 | 2017-09-26 | 汉腾汽车有限公司 | A kind of intelligent four-wheel-drive hybrid power system |
| CN112622927A (en) * | 2019-10-09 | 2021-04-09 | 宁波吉利汽车研究开发有限公司 | Vehicle driving control method and device, electronic equipment and storage medium |
| CN113119885A (en) * | 2019-12-30 | 2021-07-16 | 观致汽车有限公司 | Vehicle control unit abnormality detection method for electric vehicle and electric vehicle |
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Application publication date: 20101229 |