CN102195840B - System and method for communication of pure electric vehicle based on independent four-wheel drive of double motors - Google Patents
System and method for communication of pure electric vehicle based on independent four-wheel drive of double motors Download PDFInfo
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- CN102195840B CN102195840B CN201110105778.5A CN201110105778A CN102195840B CN 102195840 B CN102195840 B CN 102195840B CN 201110105778 A CN201110105778 A CN 201110105778A CN 102195840 B CN102195840 B CN 102195840B
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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
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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Abstract
The invention relates to a system and a method for communication of a pure electric vehicle based on independent four-wheel drive of double motors, and the communication system comprises a CAN (controller area network) bus, wherein the CAN bus is connected with a whole vehicle controller with a message acceptance filter, a battery management system, a first motor controller, a second motor controller, a first electromagnetic clutch controller, a second electromagnetic clutch controller, a high-pressure controller, a charge controller, a driving recorder, an instrument information display system and a remote dispatching system through CAN bus communication interfaces respectively. The communication system has the benefits of utilizing the bus communication method based on multi-constraint dispatching to realize synchronization control of a power transmission system which mutually connects two lines in parallel, ensuring the real-time property of control, and improving the reliability of the electric vehicle.
Description
Technical field
The present invention relates to electric automobile field, particularly relate to a kind of pure electric automobile communication system based on bi-motor independent four-wheel and method.
Background technology
Becoming increasingly conspicuous of the problem such as oil crisis and environmental pollution, makes electric automobile more and more cause the attention of society, becomes the developing direction of future automobile.Under the support energetically of country, the electric automobile of China obtains and develops rapidly.At present, the single motor drive schemes of the many employings of electric automobile, meanwhile, in order to avoid owing to causing network blockage when bus message amount increases, most of vehicle adopts the mode increasing bus physical quantity to solve.Such as publication number is the Chinese patent application of CN1649345A, denomination of invention is " the pure electric coach means of communication based on CAN ", it application discloses that a kind of communication modes of CAN of pure electric coach, this mode realizes the communication of pure electric coach based on single CAN, electric machine controller is realized by single CAN, electronic throttle controller, driver's cabin display, the information communication of abs controller and power accumulator management system, the utilization of this communications protocol makes pure electric coach in the mechanics of communication of electrical signal, have breakthrough development, but still also exist because the automatically controlled signal in the pure electric coach of develop rapidly becomes progression to increase, and make the problem that the speed of automatically controlled signal transmission will relatively lag behind.Therefore, consider from the angle of long term growth, need a kind of multiple bus mechanics of communication different with existing technology, to support the develop rapidly of pure electric coach, make it can form more wide development space at automatically controlled signal communication field, and further modularization, standardization can formed in the unified management of communication signal, also can be the facilitation of overall failure diagnosis simultaneously, good condition is created in standardization.
Summary of the invention
The object of this invention is to provide a kind of pure electric automobile communication system based on bi-motor independent four-wheel and method, the bus communication method based on multiple constraint scheduling is utilized to achieve the Synchronization Control of 2 tunnels power drive system parallel with one another, ensure that the real-time of control, improve the reliability of electric automobile, to overcome above shortcomings in prior art.
A kind of form of the present invention is a kind of pure electric automobile communication system based on bi-motor independent four-wheel, comprise CAN, described CAN connects entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system with message acceptance fitration respectively by CAN communication interface; Wherein, described entire car controller, for gathering the input information of driver to car load, is responsible for the co-ordination controlling each sub-controller of car load simultaneously; First electric machine controller, for accepting the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the first motor; Second electric machine controller, for accepting the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the second motor; First electromagnetic clutch controller is for accepting the order performing entire car controller, and feedback status information, with closed, is given the first electric machine controller by the disconnection controlling the first electromagnetic clutch; Second electromagnetic clutch controller is for accepting the order performing entire car controller, and control the disconnection of the second electromagnetic clutch with closed, feedback status information gives the second electric machine controller; Battery management system carries out processing and being sent to CAN for the data gathering each monomer of Prospect of EVS Powered with Batteries; Charge controller, for detecting charging plug connection reliability, determines whether to allow charging and charging voltage and charging current according to the state of battery; Remote scheduling system is used for gathering key message by CAN and is sent to Control Room by wireless network, accepts Surveillance center's transmission dispatching command simultaneously and re-sends in bus; Meter information display system is used for gathering associated components state information and fault message by CAN, and shows in real time; Tachographs is used for being preserved as requested by CAN collection vehicle key message again.
In the above-mentioned pure electric automobile communication system based on bi-motor independent four-wheel, described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system respectively have an ID, for while send information in CAN, send together with ID.
In the above-mentioned pure electric automobile communication system based on bi-motor independent four-wheel, the id information comprised in described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system information when the information of reception according to transmission receives the information of needs from CAN and shields unwanted information.
In the above-mentioned pure electric automobile communication system based on bi-motor independent four-wheel, described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system all receive the information of needs by message acceptance fitration from CAN when the information of reception and shield unwanted information.
In the above-mentioned pure electric automobile communication system based on bi-motor independent four-wheel, described first electromagnetic clutch controller and the second electromagnetic clutch controller are the combination of electromagnetic clutch controller and AMT controller, AMT controller or AT controller.
The another kind of form of the present invention is a kind of pure electric automobile means of communication based on bi-motor independent four-wheel, comprises the following steps:
1) entire car controller directly gathers the command information of driver by digital data acquisition interface and analog acquisition interface, the state information of each equipment that CAN connects is gathered by CAN, then the control command of each equipment at lower a moment is determined according to the predetermined integrated vehicle control tactics of entire car controller storage inside, and be handed down to miscellaneous equipment by CAN, realize the co-ordination to car load all parts;
2) after the first electric machine controller and the second electric machine controller receive the order (operational mode, rotation direction, rotating speed, torque etc.) of entire car controller transmission by CAN, control the first motor and the second motor respectively according to order running, respective state information is sent in CAN simultaneously;
3) after the first electromagnetic clutch controller and the second electromagnetic clutch controller receive order that entire car controller sends (contact, cut-out etc.) by CAN, control the first electromagnetic clutch and the second electromagnetic clutch respectively according to command action, respective state information is sent in CAN simultaneously;
4) voltage of battery, temperature, most high monomer cell voltage, the most information such as high monomer battery temperature and battery case pole temperature by directly measuring the state information obtaining all batteries, are sent to CAN in after being gathered from control module by main control module by each of battery management system;
5) charge controller determines whether to allow charging according to the state information of battery, charging plug connection, and charging current and charging voltage, is sent in CAN by charging status information simultaneously;
6) Tachographs resolves from CAN the information needing to preserve according to car load communications protocol, and preserves on a storage device according to designing requirement;
7) meter information display system obtains state information and the fault message also display in real time of associated components from CAN according to car load communications protocol;
8) remote scheduling system is sent to control centre by wireless network obtained the relevant information of driving by CAN after, control centre is according to the state of car load all parts, by remote terminal, relevant control is carried out to vehicle, to ensure vehicle safety, to run reliably.
Above-mentioned based in the pure electric automobile means of communication of bi-motor independent four-wheel, described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system respectively have an ID, for while send information in CAN, send together with ID.
Above-mentioned based in the pure electric automobile means of communication of bi-motor independent four-wheel, the id information comprised in described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system information when the information of reception according to transmission receives the information of needs from CAN and shields unwanted information.
Above-mentioned based in the pure electric automobile means of communication of bi-motor independent four-wheel, described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system all receive the information of needs by message acceptance fitration from CAN when the information of reception and shield unwanted information.
Above-mentioned based in the pure electric automobile means of communication of bi-motor independent four-wheel, described first electromagnetic clutch controller and the second electromagnetic clutch controller are the combination of electromagnetic clutch controller and AMT controller, AMT controller or AT controller.
Beneficial effect of the present invention is: utilize the bus communication method based on multiple constraint scheduling to achieve the Synchronization Control of 2 tunnels power drive system parallel with one another, ensure that the real-time of control, improve the reliability of electric automobile.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 described in the embodiment of the present invention is the system block diagram of electromagnetic clutch controller based on drive system controller in the pure electric automobile communication system of bi-motor independent four-wheel;
Fig. 2 described in the embodiment of the present invention is the system block diagram of electromagnetic clutch controller and AMT controller based on drive system controller in the pure electric automobile communication system of bi-motor independent four-wheel;
Fig. 3 described in the embodiment of the present invention is the system block diagram of AMT controller based on drive system controller in the pure electric automobile communication system of bi-motor independent four-wheel;
Fig. 4 described in the embodiment of the present invention is the system block diagram of AT controller based on drive system controller in the pure electric automobile communication system of bi-motor independent four-wheel;
Fig. 5 described in the embodiment of the present invention is the control principle block diagram of electromagnetic clutch controller based on drive system controller in the pure electric automobile communication system of bi-motor independent four-wheel;
Fig. 6 described in the embodiment of the present invention is the control principle block diagram of electromagnetic clutch controller and AMT controller based on drive system controller in the pure electric automobile communication system of bi-motor independent four-wheel;
Fig. 7 described in the embodiment of the present invention is the control principle block diagram of AMT controller based on drive system controller in the pure electric automobile communication system of bi-motor independent four-wheel;
Fig. 8 described in the embodiment of the present invention is the control principle block diagram of AT controller based on drive system controller in the pure electric automobile communication system of bi-motor independent four-wheel;
Fig. 9 is the control flow chart based on electric machine controller when drive system controller is electromagnetic clutch controller in the pure electric automobile communication system of bi-motor independent four-wheel described in the embodiment of the present invention;
Figure 10 be described in the embodiment of the present invention based on drive system controller in the pure electric automobile communication system of bi-motor independent four-wheel be electromagnetic clutch controller and AMT controller time electric machine controller control flow chart;
Figure 11 is the control flow chart based on electric machine controller when drive system controller is AMT controller in the pure electric automobile communication system of bi-motor independent four-wheel described in the embodiment of the present invention;
Figure 12 is the control flow chart based on electric machine controller when drive system controller is AT controller in the pure electric automobile communication system of bi-motor independent four-wheel described in the embodiment of the present invention.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
As shown in Figure 1,5, a kind of pure electric automobile communication system based on bi-motor independent four-wheel of a kind of form of the embodiment of the present invention, comprise CAN, described CAN connects entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system with message acceptance fitration respectively by CAN communication interface; Wherein said entire car controller gathers driver to the input information of car load, is responsible for the co-ordination controlling each sub-controller of car load simultaneously; First electric machine controller accepts the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the first motor; Second electric machine controller accepts the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the second motor; First electromagnetic clutch controller accepts the order performing entire car controller, and feedback status information, with closed, is given the first electric machine controller by the disconnection controlling the first electromagnetic clutch; Second electromagnetic clutch controller accepts the order performing entire car controller, and control the disconnection of the second electromagnetic clutch with closed, feedback status information gives the second electric machine controller; The data that battery management system gathers each monomer of Prospect of EVS Powered with Batteries carry out processing and are sent in CAN; Charge controller detects charging plug connection reliability, determines whether to allow charging according to the state of battery, and charging voltage and charging current; Meter information display system is used for Real-time Collection display battery, motor, electric machine controller, electromagnetic clutch state information and fault message; Remote scheduling system gathers key message by CAN and is sent to Control Room by wireless network, accepts Surveillance center's transmission dispatching command simultaneously and re-sends in bus; Tachographs is preserved as requested by CAN collection vehicle key message again.
The another kind of form of the embodiment of the present invention is the pure electric automobile means of communication based on bi-motor independent four-wheel, comprises the following steps:
1) entire car controller directly gathers the command information of driver by digital data acquisition interface and analog acquisition interface, the state information of each equipment that CAN connects is gathered by CAN, then the control command of each equipment at lower a moment is determined according to the predetermined integrated vehicle control tactics of entire car controller storage inside, and be handed down to miscellaneous equipment by CAN, realize the co-ordination to car load all parts;
2) after the first electric machine controller and the second electric machine controller receive the order (operational mode, rotation direction, rotating speed, torque etc.) of entire car controller transmission by CAN, control the first motor and the second motor respectively according to order running, respective state information is sent in CAN simultaneously;
3) after the first electromagnetic clutch controller and the second electromagnetic clutch controller receive order that entire car controller sends (contact, cut-out etc.) by CAN, control the first electromagnetic clutch and the second electromagnetic clutch respectively according to command action, respective state information is sent in CAN simultaneously;
4) voltage of battery, temperature, most high monomer cell voltage, the most information such as high monomer battery temperature and battery case pole temperature by directly measuring the state information obtaining all batteries, are sent to CAN in after being gathered from control module by main control module by each of battery management system;
5) charge controller determines whether to allow charging according to the state information of battery, charging plug connection, and charging current and charging voltage, is sent in CAN by charging status information simultaneously;
6) Tachographs resolves from CAN the information needing to preserve according to car load communications protocol, and preserves on a storage device according to designing requirement;
7) meter information display system obtains state information and the fault message of battery, motor, electric machine controller, electromagnetic clutch and dual pressure controller from CAN according to car load communications protocol;
8) remote scheduling system is sent to control centre by wireless network obtained the relevant information of driving by CAN after, control centre is according to the state of car load all parts, by remote terminal, relevant control is carried out to vehicle, to ensure vehicle safety, to run reliably.
In the above-mentioned pure electric automobile communication system based on bi-motor independent four-wheel and method, described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs and remote scheduling system respectively have an ID, for while send information in CAN, send together with ID; The id information comprised in described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system information when the information of reception according to transmission receives the information of needs from CAN and shields unwanted information; Described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system all receive the information of needs by message acceptance fitration from CAN when the information of reception and shield unwanted information.
Embodiment 2:
As Fig. 2, shown in 6, a kind of form of the embodiment of the present invention is a kind of pure electric automobile communication system based on bi-motor independent four-wheel, comprise CAN, described CAN connects the entire car controller with message acceptance fitration respectively by CAN communication interface, battery management system, first electric machine controller, second electric machine controller, first electromagnetic clutch controller, one AMT controller, second electromagnetic clutch controller, 2nd AMT controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system, wherein said entire car controller gathers driver to the input information of car load, is responsible for the co-ordination controlling each sub-controller of car load simultaneously, first electric machine controller accepts the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the first motor, second electric machine controller accepts the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the second motor, first electromagnetic clutch controller accepts the order performing entire car controller, and feedback status information, with closed, is given the first electric machine controller by the disconnection controlling the first electromagnetic clutch, second electromagnetic clutch controller accepts the order performing entire car controller, and control the disconnection of the second electromagnetic clutch with closed, feedback status information gives the second electric machine controller, one AMT controller and the 2nd AMT controller accept the order of entire car controller by CAN, carry out the switching of gear according to speed of operation and pedal aperture, respective gear information and oneself state information, are sent in CAN, the data that battery management system gathers each monomer of Prospect of EVS Powered with Batteries carry out processing and are sent in CAN, charge controller detects charging plug connection reliability, determines whether to allow charging according to the state of battery, and charging voltage and charging current, meter information display system is used for Real-time Collection display battery, motor, electric machine controller, electromagnetic clutch state information and fault message, remote scheduling system gathers key message by CAN and is sent to Control Room by wireless network, accepts Surveillance center's transmission dispatching command simultaneously and re-sends in bus, Tachographs is preserved as requested by CAN collection vehicle key message again.
The another kind of form of the embodiment of the present invention is the pure electric automobile means of communication based on bi-motor independent four-wheel, comprises the following steps:
1) entire car controller directly gathers the command information of driver by digital data acquisition interface and analog acquisition interface, the state information of each equipment that CAN connects is gathered by CAN, then the control command of each equipment at lower a moment is determined according to the predetermined integrated vehicle control tactics of entire car controller storage inside, and be handed down to miscellaneous equipment by CAN, realize the co-ordination to car load all parts;
2) after the first electric machine controller and the second electric machine controller receive the order (operational mode, rotation direction, rotating speed, torque etc.) of entire car controller transmission by CAN, control the first motor and the second motor respectively according to order running, respective state information is sent in CAN simultaneously;
3) after the first electromagnetic clutch controller and the second electromagnetic clutch controller receive order that entire car controller sends (contact, cut-out etc.) by CAN, control the first electromagnetic clutch and the second electromagnetic clutch respectively according to command action, respective state information is sent in CAN simultaneously;
4) an AMT controller and the 2nd AMT controller accept the order of entire car controller by CAN, carry out the switching of gear according to speed of operation and pedal aperture, respective gear information and oneself state information, are sent in CAN;
5) voltage of battery, temperature, most high monomer cell voltage, the most information such as high monomer battery temperature and battery case pole temperature by directly measuring the state information obtaining all batteries, are sent to CAN in after being gathered from control module by main control module by each of battery management system;
6) charge controller determines whether to allow charging according to the state information of battery, charging plug connection, and charging current and charging voltage, is sent in CAN by charging status information simultaneously;
7) Tachographs resolves from CAN the information needing to preserve according to car load communications protocol, and preserves on a storage device according to designing requirement;
8) meter information display system obtains state information and the fault message of battery, motor, electric machine controller, electromagnetic clutch and dual pressure controller from CAN according to car load communications protocol;
9) remote scheduling system is sent to control centre by wireless network obtained the relevant information of driving by CAN after, control centre is according to the state of car load all parts, by remote terminal, relevant control is carried out to vehicle, to ensure vehicle safety, to run reliably.
In the above-mentioned pure electric automobile communication system based on bi-motor independent four-wheel and method, described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, an AMT controller, the second electromagnetic clutch controller, the 2nd AMT controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system respectively have an ID, for while send information in CAN, send together with ID; The id information comprised in described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, an AMT controller, the second electromagnetic clutch controller, the 2nd AMT controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system information when the information of reception according to transmission receives the information of needs from CAN and shields unwanted information; Described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, an AMT controller, the second electromagnetic clutch controller, the 2nd AMT controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system all receive the information of needs by message acceptance fitration from CAN when the information of reception and shield unwanted information.
Embodiment 3
As shown in Fig. 3,7, a kind of form of the embodiment of the present invention is a kind of pure electric automobile communication system based on bi-motor independent four-wheel, comprise CAN, described CAN connects entire car controller, battery management system, the first electric machine controller, the second electric machine controller, an AMT controller, the 2nd AMT controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system with message acceptance fitration respectively by CAN communication interface; Wherein said entire car controller gathers driver to the input information of car load, is responsible for the co-ordination controlling each sub-controller of car load simultaneously; First electric machine controller accepts the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the first motor; Second electric machine controller accepts the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the second motor; One AMT controller and the 2nd AMT controller accept the order of entire car controller by CAN, carry out the switching of gear according to speed of operation and pedal aperture, respective gear information and oneself state information, are sent in CAN; The data that battery management system gathers each monomer of Prospect of EVS Powered with Batteries carry out processing and are sent in CAN; Charge controller detects charging plug connection reliability, determines whether to allow charging according to the state of battery, and charging voltage and charging current; Meter information display system is used for Real-time Collection display battery, motor, electric machine controller, electromagnetic clutch state information and fault message; Remote scheduling system gathers key message by CAN and is sent to Control Room by wireless network, accepts Surveillance center's transmission dispatching command simultaneously and re-sends in bus; Tachographs is preserved as requested by CAN collection vehicle key message again.
The another kind of form of the embodiment of the present invention is the pure electric automobile means of communication based on bi-motor independent four-wheel, comprises the following steps:
1) entire car controller directly gathers the command information of driver by digital data acquisition interface and analog acquisition interface, the state information of each equipment that CAN connects is gathered by CAN, then the control command of each equipment at lower a moment is determined according to the predetermined integrated vehicle control tactics of entire car controller storage inside, and be handed down to miscellaneous equipment by CAN, realize the co-ordination to car load all parts;
2) after the first electric machine controller and the second electric machine controller receive the order (operational mode, rotation direction, rotating speed, torque etc.) of entire car controller transmission by CAN, control the first motor and the second motor respectively according to order running, respective state information is sent in CAN simultaneously;
3) an AMT controller and the 2nd AMT controller accept the order of entire car controller by CAN, carry out the switching of gear according to speed of operation and pedal aperture, respective gear information and oneself state information, are sent in CAN;
4) voltage of battery, temperature, most high monomer cell voltage, the most information such as high monomer battery temperature and battery case pole temperature by directly measuring the state information obtaining all batteries, are sent to CAN in after being gathered from control module by main control module by each of battery management system;
5) charge controller determines whether to allow charging according to the state information of battery, charging plug connection, and charging current and charging voltage, is sent in CAN by charging status information simultaneously;
6) Tachographs resolves from CAN the information needing to preserve according to car load communications protocol, and preserves on a storage device according to designing requirement;
7) meter information display system obtains state information and the fault message of battery, motor, electric machine controller, electromagnetic clutch and dual pressure controller from CAN according to car load communications protocol;
8) remote scheduling system is sent to control centre by wireless network obtained the relevant information of driving by CAN after, control centre is according to the state of car load all parts, by remote terminal, relevant control is carried out to vehicle, to ensure vehicle safety, to run reliably.
In the above-mentioned pure electric automobile communication system based on bi-motor independent four-wheel and method, described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, an AMT controller, the 2nd AMT controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system respectively have an ID, for while send information in CAN, send together with ID; The id information comprised in described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, an AMT controller, the 2nd AMT controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system information when the information of reception according to transmission receives the information of needs from CAN and shields unwanted information; Described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, an AMT controller, the 2nd AMT controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system all receive the information of needs by message acceptance fitration from CAN when the information of reception and shield unwanted information.
Embodiment 4
As shown in Fig. 4,8, a kind of form of the embodiment of the present invention is a kind of pure electric automobile communication system based on bi-motor independent four-wheel, comprise CAN, described CAN connects entire car controller, battery management system, the first electric machine controller, the second electric machine controller, an AT controller, the 2nd AT controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system with message acceptance fitration respectively by CAN communication interface; Wherein said entire car controller gathers driver to the input information of car load, is responsible for the co-ordination controlling each sub-controller of car load simultaneously; First electric machine controller accepts the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the first motor; Second electric machine controller accepts the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the second motor; One AT controller and the 2nd AT controller accept the order of entire car controller by CAN, carry out the switching of gear according to speed of operation and pedal aperture, respective gear information and oneself state information, are sent in CAN; The data that battery management system gathers each monomer of Prospect of EVS Powered with Batteries carry out processing and are sent in CAN; Charge controller detects charging plug connection reliability, determines whether to allow charging according to the state of battery, and charging voltage and charging current; Meter information display system is used for Real-time Collection display battery, motor, electric machine controller, electromagnetic clutch state information and fault message; Remote scheduling system gathers key message by CAN and is sent to Control Room by wireless network, accepts Surveillance center's transmission dispatching command simultaneously and re-sends in bus; Tachographs is preserved as requested by CAN collection vehicle key message again.
The another kind of form of the embodiment of the present invention is the pure electric automobile means of communication based on bi-motor independent four-wheel, comprises the following steps:
1) entire car controller directly gathers the command information of driver by digital data acquisition interface and analog acquisition interface, the state information of each equipment that CAN connects is gathered by CAN, then the control command of each equipment at lower a moment is determined according to the predetermined integrated vehicle control tactics of entire car controller storage inside, and be handed down to miscellaneous equipment by CAN, realize the co-ordination to car load all parts;
2) after the first electric machine controller and the second electric machine controller receive the order (operational mode, rotation direction, rotating speed, torque etc.) of entire car controller transmission by CAN, control the first motor and the second motor respectively according to order running, respective state information is sent in CAN simultaneously;
3) an AT controller and the 2nd AT controller accept the order of entire car controller by CAN, carry out the switching of gear according to speed of operation and pedal aperture, respective gear information and oneself state information, are sent in CAN;
4) voltage of battery, temperature, most high monomer cell voltage, the most information such as high monomer battery temperature and battery case pole temperature by directly measuring the state information obtaining all batteries, are sent to CAN in after being gathered from control module by main control module by each of battery management system;
5) charge controller determines whether to allow charging according to the state information of battery, charging plug connection, and charging current and charging voltage, is sent in CAN by charging status information simultaneously;
6) Tachographs resolves from CAN the information needing to preserve according to car load communications protocol, and preserves on a storage device according to designing requirement;
7) meter information display system obtains state information and the fault message of battery, motor, electric machine controller, electromagnetic clutch and dual pressure controller from CAN according to car load communications protocol;
8) remote scheduling system is sent to control centre by wireless network obtained the relevant information of driving by CAN after, control centre is according to the state of car load all parts, by remote terminal, relevant control is carried out to vehicle, to ensure vehicle safety, to run reliably.
In the above-mentioned pure electric automobile communication system based on bi-motor independent four-wheel and method, described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, an AT controller, the 2nd AT controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system respectively have an ID, for while send information in CAN, send together with ID; The id information comprised in described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, an AT controller, the 2nd AT controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system information when the information of reception according to transmission receives the information of needs from CAN and shields unwanted information; Described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, an AT controller, the 2nd AT controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system all receive the information of needs by message acceptance fitration from CAN when the information of reception and shield unwanted information.
The present invention is when specific works, and for electric machine controller, as Fig. 9-12, first entire car controller is by various switch, transducer obtains driver to the input command of car load, is then gathered state information (the battery pack dump energy of battery by CAN, cell minimum voltage, battery temperature etc.), state information (the pole connection of battery case, smoke alarm state, pole temperature etc.), state information (the D.C. contactor state of each high-voltage switch gear in high-voltage switch gear case, first motor air circuit state, second motor air circuit state, DC/AC high-voltage switch gear state, DC/DC high-voltage switch gear state, air-conditioning high-voltage switch gear state etc.), motor status information (current rotating speed, current torque, motor temperature, Electric Machine Control actuator temperature etc.), electromagnetic clutch state information (cutting off or contact), remote scheduling order (is forbidden running, low cruise, over-speed warning light), control order (first motor running mode of each equipment at lower a moment is drawn according to the current state foundation integrated vehicle control tactics of all parts, second motor running mode, first motor target moment, second motor target moment, the cut-out of the first electromagnetic clutch and the second electromagnetic clutch with contact), and send to each sub-controller by CAN with the form of binary code, simultaneously by state information and the fault message of driver's cabin display system display car load each several part, first electric machine controller and the second electric machine controller resolve operational mode order that entire car controller sends, target torque command and rotating speed of target order etc. from bus, then operated according to order by motor controller controls motor, simultaneously, electric machine controller also will gather the various parameters of motor and electric machine controller by various transducer, then entire car controller is sent to by CAN, so that entire car controller determines next control command, first electromagnetic clutch controller and the second electromagnetic clutch controller are resolved from bus clutch that entire car controller sends and are cut off and order with contacting, then the cut-out being controlled the first electromagnetic clutch and the second electromagnetic clutch by actuator respectively with contact, thus control the drive pattern of vehicle, electromagnetic clutch controller gathers the current state of electromagnetic clutch and sends to entire car controller by CAN, so that entire car controller determines next control command simultaneously.
The present invention is illustrated by embodiment above, but the present invention is not limited to particular example as described herein and embodiment.Any those of skill in the art are easy to be further improved without departing from the spirit and scope of the present invention and perfect, therefore the present invention is only subject to the content of the claims in the present invention and the restriction of scope, and its intention contains and is allly included in alternative in the spirit and scope of the invention that limited by appendix claim and equivalent.
Claims (9)
1. the pure electric automobile communication system based on bi-motor independent four-wheel, comprise CAN, it is characterized in that: described CAN connects entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system with message acceptance fitration respectively by CAN communication interface; Wherein, described entire car controller, for gathering the input information of driver to car load, is responsible for the co-ordination controlling each sub-controller of car load simultaneously; First electric machine controller, for accepting the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the first motor; Second electric machine controller, for accepting the order of entire car controller, realizes controlling, to the state of entire car controller real-time report motor to the second motor; First electromagnetic clutch controller is for accepting the order performing entire car controller, and feedback status information, with closed, is given the first electric machine controller by the disconnection controlling the first electromagnetic clutch; Second electromagnetic clutch controller is for accepting the order performing entire car controller, and control the disconnection of the second electromagnetic clutch with closed, feedback status information gives the second electric machine controller; Battery management system carries out processing and being sent to CAN for the data gathering each monomer of Prospect of EVS Powered with Batteries; Charge controller, for detecting charging plug connection reliability, determines whether to allow charging and charging voltage and charging current according to the state of battery; Meter information display system is for showing the first motor, the second motor, the first electric machine controller, the second electric machine controller, battery, the first electromagnetic clutch, the second electromagnetic clutch, dual pressure controller state and fault message, and described first electromagnetic clutch controller and the second electromagnetic clutch controller are the combination of electromagnetic clutch controller and AMT controller, AMT controller or AT controller; Remote scheduling system is used for gathering key message by CAN and is sent to Control Room by wireless network, accepts Surveillance center's transmission dispatching command simultaneously and re-sends in bus; Tachographs is used for being preserved as requested by CAN collection vehicle key message again.
2. the pure electric automobile communication system based on bi-motor independent four-wheel according to claim 1, it is characterized in that: described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system respectively have an ID, for while send information in CAN, send together with ID.
3. the pure electric automobile communication system based on bi-motor independent four-wheel according to claim 1 and 2, is characterized in that: the id information comprised in described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system information when the information of reception according to transmission receives the information of needs from CAN and shields unwanted information.
4. the pure electric automobile communication system based on bi-motor independent four-wheel according to claim 3, is characterized in that: described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system all receive the information of needs by message acceptance fitration from CAN when the information of reception and shield unwanted information.
5., based on pure electric automobile means of communication for bi-motor independent four-wheel, it is characterized in that, comprise the following steps:
1) entire car controller directly gathers the command information of driver by digital data acquisition interface and analog acquisition interface, the state information of each equipment that CAN connects is gathered by CAN, then the control command of each equipment at lower a moment is determined according to the predetermined integrated vehicle control tactics of entire car controller storage inside, and be handed down to miscellaneous equipment by CAN, realize the co-ordination to car load all parts;
2), after the first electric machine controller and the second electric machine controller receive by CAN the order that entire car controller sends, control the first motor and the second motor respectively according to order running, respective state information is sent in CAN simultaneously;
3) after the first electromagnetic clutch controller and the second electromagnetic clutch controller receive the order of entire car controller transmission by CAN, control the first electromagnetic clutch and the second electromagnetic clutch respectively according to command action, respective state information is sent in CAN simultaneously;
4) voltage of battery, temperature, most high monomer cell voltage, most high monomer battery temperature and battery case pole temperature information by directly measuring the state information obtaining all batteries, are sent to CAN in after being gathered from control module by main control module by each of battery management system;
5) charge controller determines whether to allow charging according to the state information of battery, charging plug connection, and charging current and charging voltage, is sent in CAN by charging status information simultaneously;
6) Tachographs resolves from CAN the information needing to preserve according to car load communications protocol, and preserves on a storage device according to designing requirement;
7) meter information display system obtains state information and the fault message also display in real time of associated components from CAN according to car load communications protocol;
8) remote scheduling system is sent to control centre by wireless network obtained the relevant information of driving by CAN after, and control centre, according to the state of car load all parts, carries out relevant control by remote terminal to vehicle.
6. the pure electric automobile means of communication based on bi-motor independent four-wheel according to claim 5, it is characterized in that: described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system respectively have an ID, for while send information in CAN, send together with ID.
7. the pure electric automobile means of communication based on bi-motor independent four-wheel according to claim 5 or 6, is characterized in that: the id information comprised in described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and the remote scheduling system information when the information of reception according to transmission receives the information of needs from CAN and shields unwanted information.
8. the pure electric automobile means of communication based on bi-motor independent four-wheel according to claim 7, is characterized in that: described entire car controller, battery management system, the first electric machine controller, the second electric machine controller, the first electromagnetic clutch controller, the second electromagnetic clutch controller, dual pressure controller, charge controller, Tachographs, meter information display system and remote scheduling system all receive the information of needs by message acceptance fitration from CAN when the information of reception and shield unwanted information.
9. the pure electric automobile means of communication based on bi-motor independent four-wheel according to claim 8, is characterized in that: described first electromagnetic clutch controller and the second electromagnetic clutch controller are the combination of electromagnetic clutch controller and AMT controller, AMT controller or AT controller.
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| CN102848994B (en) * | 2012-10-10 | 2015-04-01 | 潍柴动力股份有限公司 | Device, system and method for controlling high-voltage distribution box |
| GB201315826D0 (en) | 2013-09-05 | 2013-10-23 | Trw Ltd | Safety filter |
| CN103568803A (en) * | 2013-11-21 | 2014-02-12 | 中国汽车技术研究中心 | New energy automobile forecabin to benefit of crash performance |
| CN104724006B (en) * | 2015-01-27 | 2017-10-13 | 湖南南车时代电动汽车股份有限公司 | The dynamical system based on CAN for plug-in hybrid passenger car |
| CN105438172A (en) * | 2015-12-22 | 2016-03-30 | 郑州飞轮威尔实业有限公司 | Intelligent electric car with left-right self-balancing function |
| CN106375171A (en) * | 2016-08-29 | 2017-02-01 | 奇瑞商用车（安徽）有限公司 | CAN communication-based text transmission method |
| CN106515512A (en) * | 2016-12-23 | 2017-03-22 | 南京越博动力***股份有限公司 | System controlling dual-motor assembly based on blade electric vehicle CAN buses |
| CN107719185A (en) * | 2017-09-27 | 2018-02-23 | 安捷励电控技术南京有限公司 | Power control communication architecture, power control unit and communication method |
| CN109107142B (en) * | 2018-10-17 | 2019-12-06 | 上海知此电子科技有限公司 | Electric skateboard and redundancy control method thereof |
| CN110803129A (en) * | 2019-11-15 | 2020-02-18 | 浙江衡睿科技有限公司 | Intelligent power control system of electric motorcycle |
| EP4279309A4 (en) * | 2021-11-24 | 2024-07-10 | Contemporary Amperex Technology Co Ltd | Power drive system and vehicle |
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