WO2018021032A1 - Système de commande - Google Patents

Système de commande Download PDF

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Publication number
WO2018021032A1
WO2018021032A1 PCT/JP2017/025454 JP2017025454W WO2018021032A1 WO 2018021032 A1 WO2018021032 A1 WO 2018021032A1 JP 2017025454 W JP2017025454 W JP 2017025454W WO 2018021032 A1 WO2018021032 A1 WO 2018021032A1
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WO
WIPO (PCT)
Prior art keywords
control device
electrical machine
rotating electrical
signal
storage unit
Prior art date
Application number
PCT/JP2017/025454
Other languages
English (en)
Japanese (ja)
Inventor
猪熊　賢二
拓人 鈴木
洋 稲村
Original Assignee
株式会社デンソー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2016211038A external-priority patent/JP6601365B2/ja
Application filed by 株式会社デンソー filed Critical 株式会社デンソー
Priority to CN201780046309.6A priority Critical patent/CN109716614B/zh
Priority to DE112017003779.4T priority patent/DE112017003779T5/de
Priority to US16/321,359 priority patent/US11052765B2/en
Publication of WO2018021032A1 publication Critical patent/WO2018021032A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/16—Regulation of the charging current or voltage by variation of field
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present disclosure is applied to a power supply system mounted on a vehicle or the like, and relates to a control system including a plurality of control devices that perform control related to the power supply system.
  • a configuration including a plurality of storage batteries (for example, a lead storage battery and a lithium ion storage battery) and a rotating electrical machine connected in parallel to each of these storage batteries is known.
  • a battery control device that controls charging / discharging of a lithium ion storage battery, a rotating electrical machine control device that controls the operation of the rotating electrical machine, and a host control device that comprehensively manages them are provided.
  • Signal transmission is performed between the control device and the host control device via a communication line such as a CAN bus, and signal transmission is performed between the rotating electrical machine control device and the host control device via the communication line.
  • Patent Document 1 discloses a similar system.
  • the abnormality occurrence is detected by the battery control device, and an abnormality signal is transmitted to the host control device. Then, based on the received abnormal signal, the host control device outputs a command signal that causes the rotating electrical machine control device to perform fail-safe processing such as reducing the power generation output of the rotating electrical machine.
  • the rotating electrical machine control device performs fail-safe processing based on the command signal received from the host control device. In this way, other control devices are managed in an integrated manner by the host control device.
  • first means Rotating electrical machinery, A first power storage unit and a second power storage unit connected in parallel to the rotating electrical machine; A switch provided on the second power storage unit side of a connection point with the rotating electrical machine in an electrical path between the first power storage unit and the second power storage unit; Applied to a power system comprising A first control device that controls charging and discharging of the second power storage unit by opening and closing the switch; A second control device for controlling power generation and powering operation of the rotating electrical machine; The first control device and the second control device can transmit signals to each other by a signal transmission unit with respect to a third control device that manages these control devices in an integrated manner.
  • the device transmits a command signal to the second control device in response to a received signal from the first control device,
  • the first control device transmits a power storage unit signal including at least one of control information and abnormality information related to the charge / discharge to the second control device and the third control device,
  • the second control device controls the operation of the rotating electrical machine based on an operation command signal related to the operation of the rotating electrical machine transmitted from the third control device in response to the power storage unit signal; And a function of controlling the operation of the rotating electrical machine based on the power storage unit signal transmitted from the control device.
  • the rotating electrical machine and the second power storage unit are connected in response to closing (turning on) the switch, and the rotating electrical machine in response to opening (off) of the switch.
  • the second power storage unit is cut off. In this case, the charge / discharge state of the second storage battery can be adjusted by opening and closing the switch.
  • control system includes a first control device that controls charging / discharging of the second power storage unit, and a second control device that controls the operation of the rotating electrical machine, and the first control device and the second control device are respectively
  • the third control device that manages the control device in an integrated manner enables mutual signal transmission by the signal transmission unit. And according to the said structure of this means, the following processes by each control apparatus are possible.
  • the first control device transmits a power storage unit signal including at least one of control information related to charging / discharging of the second power storage unit and abnormality information to the second control device and the third control device
  • the third control device transmits an operation command signal related to the operation of the rotating electrical machine to the second control device based on the power storage unit signal received from the first control device
  • the second control device controls the operation of the rotating electrical machine based on the operation command signal received from the third control device, or based on the power storage unit signal received from the first control device, Control the operation.
  • the second control device directly receives the power storage unit signal from the first control device without waiting for the reception of the operation command signal from the third control device, and performs emergency treatment based on the power storage unit signal. can do. That is, in the first control device, when any change or the like (state change) occurs in the control information or abnormality information related to charging / discharging of the second storage battery, the information can be reflected in the operation of the rotating electrical machine immediately. In addition to being able to respond quickly in the second control device, it is possible to respond with high certainty by the transmission signal from the third control device.
  • the second control device performs local arithmetic processing for the rotating electrical machine as a control target, whereas the third control device manages other control devices in an integrated manner. According to the transmission signal of the third control device, it is possible to implement a response with high certainty (also referred to as reliability).
  • the switch is opened to stop the charging / discharging of the second power storage unit. Further, in a state where charging / discharging of the second power storage unit is stopped, charging / discharging is performed only by the first power storage unit in the power supply system, and excessive discharge from the rotating electrical machine to the first power storage unit side occurs. Concerned. Therefore, the rotary electric machine is fail-safe operated by the second control device. For example, the electric power generated by the rotating electrical machine is limited as a fail-safe operation.
  • the second means (1) The first control device opens the switch when an abnormality relating to the charging / discharging occurs, and sends the abnormality information corresponding to the occurrence of the abnormality to the second control device and the third control device. Including an abnormal signal including the power storage unit signal, (2) The second control device receives the abnormal signal from the first control device, and is transmitted as the operation command signal from the third control device in response to the abnormal signal, thereby fail-operating the rotating electrical machine. The fail-safe operation of the rotating electric machine is started based on the earlier one of the reception of the fail-safe signal to be performed.
  • the rotating electrical machine can start the fail-safe operation based on the abnormal signal from the first control device without waiting for the reception of the fail-safe signal from the third control device.
  • an abnormality relating to charging / discharging in the second power storage unit occurs, an excessive current flows in the energization path between the rotating electrical machine and the first power storage unit as the start of the fail-safe operation in the rotating electrical machine is delayed.
  • the power supply system is provided on the first power storage unit side of the electrical path between the first power storage unit and the second power storage unit with respect to the connection point with the rotating electrical machine.
  • Send Send.
  • the first power storage unit is connected from the rotating electrical machine via the bypass switch after the abnormality occurs.
  • the bypass switch may be damaged.
  • the fail safe operation of the rotating electrical machine is started without waiting for the reception of the fail safe signal from the third control device, it is possible to avoid the occurrence of an overcurrent, the occurrence of a malfunction due to the overcurrent, and the bypass. Switch damage and the like can be suppressed.
  • the abnormality may be resolved after the abnormality relating to charging / discharging of the second power storage unit occurs.
  • the fourth means (1) The first control device returns the switch to the normal control when the abnormality is resolved after the occurrence of the abnormality related to the charge / discharge, and the third control device responds to the abnormality resolution with respect to the third control device.
  • An abnormality release signal including abnormality information is transmitted as the power storage unit signal
  • the second control device is transmitted as the operation command signal from the third control device in response to the abnormality release signal, and based on a fail safe release signal for releasing the fail safe operation of the rotating electrical machine. The fail-safe operation is terminated.
  • the authority to determine the end of the fail safe operation is given only to the third control device which is the host control device. Therefore, whether or not the fail safe operation can be completed can be more reliably performed. That is, priority is given to the quickness for the start of the failsafe operation, and certainty is given priority to the end of the failsafe operation.
  • the required charge / discharge amount changes in the second power storage unit.
  • the required amount of charge / discharge changes according to changes in required power amount required from various electric loads or deterioration in the second power storage unit.
  • the fifth means (1) The first control device transmits, to the second control device and the third control device, a request signal including the control information according to a charge / discharge request amount for the second power storage unit as the power storage unit signal.
  • the second control device controls the operation of the rotating electrical machine based on the operation command signal transmitted from the third control device in response to the request signal, and from the first control device. And a function of controlling the operation of the rotating electrical machine based on the transmitted request signal.
  • the second control device can quickly control the operation of the rotating electrical machine according to the request signal from the first control device without waiting for the reception of the operation command signal from the third control device.
  • requirement can be dealt with quickly.
  • the second control device controls the operation of the rotating electrical machine based on the operation command signal received from the third control device, and the request signal received from the first control device.
  • the amount of operation of the rotating electrical machine with respect to the required amount of charge / discharge is made different from the case of controlling the operation of the rotating electrical machine based on the above.
  • the control giving priority to certainty reliability
  • the first control device When controlling the operation of the rotating electrical machine based on the received request signal, it is desirable to implement control giving priority to rapidity.
  • the operation of the rotating electrical machine with respect to the required charge / discharge amount during the control of the rotating electrical machine based on the operation command signal from the third control device and during the control of the rotating electrical machine based on the request signal from the first control device. Since the amounts are made different from each other, it is possible to appropriately control the operation of the rotating electrical machine according to the situation at the time of the state transition.
  • the operating state and abnormal state of the rotating electrical machine may change, and it is desirable to control the opening / closing of the switch, that is, the connection and disconnection state between the rotating electrical machine and the second power storage unit accordingly.
  • the seventh and eighth means, on the assumption that the third control device transmits a command signal to the first control device in response to the received signal from the second control device, (1) The second control device transmits a rotating electrical machine signal including at least one of control information and abnormality information regarding the rotating electrical machine to the first control device and the third control device, (2) The first control device controls opening / closing of the switch based on an opening / closing command signal relating to opening / closing of the switch transmitted from the third control device in response to the rotating electrical machine signal; 2 Based on the rotating electrical machine signal transmitted from the control device, it has a function of controlling the opening and closing of the switch.
  • the first control device directly receives the rotating electrical machine signal from the second control device without waiting for the reception of the opening / closing command signal from the third control device, and performs an emergency treatment based on the rotating electrical machine signal. can do. That is, in the second control device, when any change or the like occurs in the control information or abnormality information related to the rotating electrical machine, the information can be immediately reflected in the opening / closing of the switch. As a result, it is possible to appropriately control the power storage unit and the rotating electrical machine while quickly linking the power storage unit side and the rotating electrical machine side.
  • the switch when an abnormality relating to the rotating electrical machine occurs, the switch is forcibly opened to stop charging / discharging of the second power storage unit.
  • the switch is forcibly opened when an abnormality relating to the rotating electrical machine occurs, there is a concern about the occurrence of a problem on the second power storage unit side. For example, if a ground fault occurs in a rotating electrical machine or an inverter (switching circuit unit) connected to the rotating electrical machine, there is a concern about the occurrence of problems such as element destruction due to overcurrent.
  • the ninth means (1) When the abnormality related to the rotating electrical machine occurs, the second control device sends a rotating electrical machine abnormality signal corresponding to the occurrence of the abnormality to the first control device and the third control device. Send as a signal, (2) The first control device receives the rotating electrical machine abnormality signal from the second control device, and is transmitted as the opening / closing command signal from the third control device in response to the rotating electrical machine abnormality signal. The switch is forcibly opened based on the earlier of the reception of the forcible opening signal for forcibly opening.
  • the switch is forcibly opened based on the rotating electrical machine abnormality signal from the second control device without waiting for the reception of the forcible opening signal from the third control device.
  • the second control device may detect that an overcurrent flows through at least one of the rotating electrical machine and a switching circuit unit that energizes each phase of the rotating electrical machine as an abnormality related to the rotating electrical machine. It is determined, and the presence or absence of the overcurrent is determined when the rotating electrical machine is in a state other than power running.
  • the path by the cutoff unit is temporarily increased after the energization current rises when the overcurrent flows. Decreases at a stroke by blocking.
  • the second control device performs a first determination that the energization current flowing through the switching circuit section has increased to a predetermined overcurrent threshold, and then that the current has decreased. It is determined that the overcurrent has flowed based on the result of 2 determination, and the rotating electrical machine abnormality signal is transmitted to the first control device and the third control device based on the determination. I made it.
  • the energization current can be suitably cut off while suppressing the surge current generated when the switch is opened. That is, if the switch of the energization path is opened under a situation where overcurrent flows, there is a concern that a surge current is generated in the energization path and the switch is damaged due to the surge current.
  • the switch is opened in a state where the overcurrent has once ceased, so that the surge current when the switch is opened can be suppressed, and the switch breakdown due to the surge current can be suppressed. As a result, it is possible to optimize the treatment when an overcurrent occurs.
  • the second control device determines that the energization current has decreased to a second threshold value smaller than the overcurrent threshold value after the energization current has increased to the overcurrent threshold value.
  • the rotating electrical machine is in one of the states of power generation, power running, and non-operation, and it is desirable that the charging / discharging state of the second storage battery is controlled in accordance with the state of the rotating electrical machine.
  • the second control device uses, as the rotating electrical machine signal, a state signal indicating which state the rotating electrical machine is in among a plurality of states including power generation and power running.
  • the first control device controls the opening / closing of the switch based on an opening / closing command signal related to opening / closing of the switch transmitted from the third control device in response to the state signal; And a function of controlling opening and closing of the switch based on the state signal transmitted from the control device.
  • the first control device can quickly perform control according to the state of the rotating electrical machine without receiving a signal indicating the information on the rotating electrical machine from the third control device.
  • the fourteenth means (1) When the rotating electrical machine is in a state other than power running, the second control device transmits a non-power running signal indicating the state to the first control device as the state signal, (2) When the first control device receives the non-powering signal from the second control device, the first control device opens the switch based on the fact that the rotating electrical machine is drawing current. And so on.
  • the first control device can quickly grasp the state of the overcurrent abnormality and can appropriately protect the switch element and the like. For example, even if the current threshold is relatively low, the presence / absence of an overcurrent can be accurately determined, and a measure such as opening a switch can be performed before an excessive current flows through the rotating electrical machine or the switching circuit unit.
  • the first control device acquires voltage or current detection information detected by the energization path of the second power storage unit, and the second control device detects by the energization path of the rotating electrical machine. Voltage or current detection information is acquired, and one of the first control device and the second control device receives the detection information from the other control device via the signal transmission unit. Then, based on the detection information in each of the control devices, a reliability evaluation regarding the detection information is performed.
  • the first control device and the second control device can pass detection voltage and detection current information to each other, improvement in accuracy and reliability of the detection voltage and detection current can be expected. Therefore, the first control device and the second control device acquire voltage or current detection information detected on the energization path of the second power storage unit and voltage or current detection information detected on the energization path of the rotating electrical machine, respectively. I did it. Then, one of the first control device and the second control device receives the detection information from the other control device via the signal transmission unit, and also detects the detection information based on the detection information in each of the control devices. A reliability evaluation was conducted. In this case, the reliability of the detection information, that is, the reliability of the voltage sensor or the current sensor can be suitably evaluated based on the difference in detection information acquired by each control device.
  • the first power storage unit is a lead storage battery
  • the second power storage unit is a high-density storage battery having higher output density and energy density than the lead storage battery.
  • the power storage amount and temperature of the second power storage unit should be appropriately managed in order to increase efficiency and durability. Is desired.
  • the signal transmission unit that enables signal transmission between the first control device, the second control device, and the third control device is a communication line that constructs a communication network
  • the signal transmission unit that enables signal transmission between the first control device and the second control device is a hardware that transmits a voltage signal at the output port of the output side control device to the input port of the input side control device. It is a wire.
  • Each of the first control device, the second control device, and the third control device are connected by a communication line such as CAN, and the first control device and the second control device are connected by a hard wire. Signal transmission between the first control device and the second control device is possible without waiting for a communication cycle in the control device. As a result, information can be transmitted more quickly.
  • the control system may include a third control device that is a host control device in addition to the first control device and the second control device (18th and 19th means).
  • the eighteenth means Rotating electrical machinery, A first power storage unit and a second power storage unit connected in parallel to the rotating electrical machine; A switch provided on the second power storage unit side of a connection point with the rotating electrical machine in an electrical path between the first power storage unit and the second power storage unit; Applied to a power system comprising A first control device that controls charging and discharging of the second power storage unit by opening and closing the switch; A second control device for controlling power generation and powering operation of the rotating electrical machine; A third control device that comprehensively manages the first control device and the second control device, The first control device, the second control device, and the third control device can transmit signals to each other by a signal transmission unit, The first control device transmits a power storage unit signal including at least one of control information and abnormality information related to the charge / discharge to the second control device and the third control device, The third control device transmits an operation command signal related to the operation of the rotating electrical machine to the second control device based on the power storage unit signal received from the first control device, The second control device
  • Rotating electrical machinery A first power storage unit and a second power storage unit connected in parallel to the rotating electrical machine;
  • a switch provided on the second power storage unit side of a connection point with the rotating electrical machine in an electrical path between the first power storage unit and the second power storage unit;
  • Applied to a power system comprising A first control device that controls charging and discharging of the second power storage unit by opening and closing the switch;
  • a second control device for controlling power generation and powering operation of the rotating electrical machine;
  • a third control device that comprehensively manages the first control device and the second control device,
  • the first control device, the second control device, and the third control device can transmit signals to each other by a signal transmission unit,
  • the second control device transmits a rotating electrical machine signal including at least one of control information and abnormality information regarding the rotating electrical machine to the first control device and the third control device,
  • the third control device transmits an opening / closing command signal related to opening / closing of the switch to the first control device based on the rotating electrical machine signal received from the second control device
  • FIG. 1 is an electric circuit diagram showing the power supply system of the first embodiment.
  • FIG. 2 is a circuit diagram showing an electrical configuration of the rotating electrical machine unit.
  • FIG. 3 is a flowchart showing a processing procedure of abnormality determination by the battery ECU.
  • FIG. 4 is a flowchart showing a processing procedure for abnormality monitoring by the engine ECU.
  • FIG. 5 is a flowchart showing a processing procedure of fail-safe control by the rotating electrical machine ECU.
  • FIG. 6 is a time chart for explaining the flow of processing when an abnormality occurs in the battery unit.
  • FIG. 7 is a flowchart showing a procedure of power request processing by the battery ECU in the second embodiment.
  • FIG. 8 is a flowchart showing a processing procedure of charge / discharge monitoring by the engine ECU in the second embodiment.
  • FIG. 9 is a flowchart showing a processing procedure of operation control by the rotating electrical machine ECU in the second embodiment.
  • FIG. 10 is a flowchart showing a processing procedure of abnormality determination by the rotating electrical machine ECU in the third embodiment.
  • FIG. 11 is a flowchart showing a processing procedure for abnormality monitoring by the engine ECU in the third embodiment.
  • FIG. 12 is a flowchart showing a processing procedure of fail-safe control by the battery ECU in the third embodiment.
  • FIG. 13 is a perspective view showing a part of the switch module in the fourth embodiment.
  • FIG. 14 is a flowchart showing a processing procedure of abnormality determination by the rotating electrical machine ECU in the fourth embodiment.
  • FIG. 15 is a time chart for specifically explaining processing when an overcurrent occurs in the inverter in the fourth embodiment.
  • FIG. 16 is an electric circuit diagram showing the power supply system of the fifth embodiment
  • FIG. 17 is a flowchart showing a processing procedure of fail-safe control by the battery ECU in the fifth embodiment.
  • FIG. 18 is a flowchart showing a processing procedure in the battery ECU and the rotating electrical machine ECU in another example.
  • FIG. 19 is a circuit diagram showing another configuration as a control system.
  • an in-vehicle power supply system that supplies power to various devices of the vehicle in a vehicle that runs using an engine (internal combustion engine) as a drive source is embodied.
  • this power supply system is a dual power supply system having a lead storage battery 11 as a first power storage unit and a lithium ion storage battery 12 as a second power storage unit.
  • power can be supplied to the various electric loads 14 and 15 and the rotating electrical machine unit 16.
  • each of the storage batteries 11 and 12 can be charged by the rotating electrical machine unit 16.
  • the lead storage battery 11 and the lithium ion storage battery 12 are connected in parallel to the rotating electrical machine unit 16, and the lead storage battery 11 and the lithium ion storage battery 12 are connected in parallel to the electrical loads 14 and 15. .
  • the lead storage battery 11 is a well-known general-purpose storage battery.
  • the lithium ion storage battery 12 is a high-density storage battery that has less power loss during charging / discharging than the lead storage battery 11, and has a high output density and energy density.
  • the lithium ion storage battery 12 may be a storage battery having higher energy efficiency during charging / discharging than the lead storage battery 11.
  • the lithium ion storage battery 12 is comprised as an assembled battery which has a some single cell, respectively. These storage batteries 11 and 12 have the same rated voltage, for example, 12V.
  • the lithium ion storage battery 12 is housed in a housing case and configured as a battery unit U integrated with a substrate.
  • the battery unit U has two output terminals P1 and P2, among which the lead storage battery 11, the starter 13 and the electric load 14 are connected to the output terminal P1, and the electric load 15 and the rotating electrical machine unit are connected to the output terminal P2. 16 is connected.
  • the electric loads 14 and 15 have different requirements for the voltage of the power supplied from the storage batteries 11 and 12.
  • the electric load 14 includes a constant voltage required load that is required to be stable so that the voltage of the supplied power is constant or at least fluctuates within a predetermined range.
  • the electric load 15 is a general electric load other than the constant voltage required load. It can be said that the electric load 14 is a protected load.
  • the electric load 14 is a load that does not allow a power supply failure
  • the electric load 15 is a load that allows a power supply failure compared to the electric load 14.
  • the electric load 14 that is a constant voltage required load include various ECUs such as a navigation device, an audio device, a meter device, and an engine ECU. In this case, by suppressing the voltage fluctuation of the supplied power, it is possible to suppress an unnecessary reset or the like in each of the above devices, and to realize a stable operation.
  • the electric load 14 may include a travel system actuator such as an electric steering device or a brake device.
  • Specific examples of the electric load 15 include a seat heater, a heater for a defroster for a rear window, a headlight, a wiper for a front window, and a blower fan for an air conditioner.
  • the rotating electrical machine unit 16 includes a rotating electrical machine 21 as a three-phase AC motor, an inverter 22 as a power converter, and a rotating electrical machine ECU 23 that controls the operation of the rotating electrical machine 21.
  • the rotating electrical machine unit 16 is a generator with a motor function, and is configured as an electromechanically integrated ISG (Integrated / Starter / Generator).
  • the rotary electric machine 21 includes U-phase, V-phase, and W-phase windings 24U, 24V, and 24W as three-phase armature windings, and a field winding 25.
  • the rotating shaft of the rotating electrical machine 21 is drivingly connected to an engine output shaft (not shown) by a belt, and the rotating shaft of the rotating electrical machine 21 is rotated by the rotation of the engine output shaft, while the rotating shaft of the rotating electrical machine 21 is rotated.
  • the engine output shaft rotates. That is, the rotating electrical machine unit 16 includes a power generation function that generates power (regenerative power generation) by rotating the engine output shaft and the axle, and a power running function that applies rotational force to the engine output shaft.
  • the inverter 22 converts the AC voltage output from each phase winding 24U, 24V, 24W into a DC voltage and outputs it to the battery unit U.
  • the inverter 22 converts the DC voltage input from the battery unit U into an AC voltage and outputs the AC voltage to the phase windings 24U, 24V, and 24W.
  • the inverter 22 is a bridge circuit having the same number of upper and lower arms as the number of phases of the phase winding, and constitutes a three-phase full-wave rectifier circuit.
  • the inverter 22 constitutes a drive circuit that drives the rotating electrical machine 21 by adjusting the electric power supplied to the rotating electrical machine 21.
  • the inverter 22 includes an upper arm switch Sp and a lower arm switch Sn for each phase, and energization is performed for each phase by turning on and off the switches Sp and Sn.
  • the inverter 22 corresponds to a switching circuit unit.
  • a voltage-controlled semiconductor switching element is used as each of the switches Sp and Sn.
  • an N-channel MOSFET is used.
  • An upper arm diode Dp is connected in antiparallel to the upper arm switch Sp, and a lower arm diode Dn is connected in antiparallel to the lower arm switch Sn.
  • the body diodes of the switches Sp and Sn are used as the diodes Dp and Dn.
  • the diodes Dp and Dn are not limited to body diodes, and may be diodes that are separate parts from the switches Sp and Sn, for example.
  • the intermediate connection point of the series connection body of the switches Sp and Sn in each phase is connected to one end of each phase winding 24U, 24V, 24W.
  • a voltage sensor 26 that detects the input / output voltage of the inverter 22 is provided between the high-voltage side path and the low-voltage side path of the inverter 22.
  • the rotating electrical machine unit 16 is provided with, for example, a current sensor 27 that detects a current flowing through an energization path of the inverter 22 and a current sensor 28 that detects a current flowing through the field winding 25.
  • the current sensor 27 may be provided between the inverter 22 and each phase winding 24U, 24V, 24W (symbol 27a in the figure), and each phase between the lower arm switch Sn and the ground line. (Reference numeral 27b in the figure). Detection signals from the sensors 26 to 28 are appropriately input to the rotating electrical machine ECU 23.
  • the rotating electrical machine 21 is provided with a rotation angle sensor that detects angle information of the rotor, and the inverter 22 is provided with a signal processing circuit that processes a signal from the rotation angle sensor. Yes.
  • the rotating electrical machine ECU 23 is constituted by a microcomputer including a CPU, a ROM, a RAM, an input / output interface, and the like.
  • the rotating electrical machine ECU 23 adjusts the excitation current flowing through the field winding 25 by an IC regulator (not shown) inside. Thereby, the power generation voltage (output voltage with respect to the battery unit U) of the rotating electrical machine unit 16 is controlled. Further, the rotating electrical machine ECU 23 assists the driving force of the engine by controlling the inverter 22 to drive the rotating electrical machine 21 after the vehicle starts running.
  • the rotating electrical machine 21 can apply initial rotation to the crankshaft when starting the engine, and also has a function as an engine starting device. In FIG. 1, the lead storage battery 11 may be connected to the rotating electrical machine ECU 23.
  • an electric path L1 that connects the output terminals P1 and P2, and an electric path L2 that connects a point N1 on the electric path L1 and the lithium ion storage battery 12 And are provided in the battery unit U.
  • the switch 31 is provided in the electrical path L1
  • the switch 32 is provided in the electrical path L2.
  • a switch 31 is provided on the lead storage battery 11 side of the connection point N1 to the rotating electrical machine unit 16, and the lithium ion is connected to the connection point N1.
  • a switch 32 is provided on the storage battery 12 side.
  • the switch 31 corresponds to a “first switch”
  • the switch 32 corresponds to a “second switch”.
  • Each of the switches 31 and 32 includes, for example, 2 ⁇ n MOSFETs (semiconductor switching elements), and the parasitic diodes of the two sets of MOSFETs are connected in series so as to be opposite to each other. When the switches 31 and 32 are turned off, the parasitic diode completely cuts off the current flowing through the path where the switches are provided.
  • MOSFETs semiconductor switching elements
  • IGBTs or bipolar transistors can be used instead of MOSFETs.
  • a voltage sensor 33 is provided on the P1 side of the switch 31, and a voltage sensor 34 is provided on the P2 side of the switch 31.
  • the voltage sensor 33 detects the terminal voltage of the output terminal P1
  • the voltage sensor 34 detects the terminal voltage of the output terminal P2.
  • the battery unit U is provided with a bypass path L3 that bypasses the switch 31.
  • the bypass path L3 is provided so as to connect the output terminal P3 and the point N1 on the electrical path L1.
  • the output terminal P3 is connected to the lead storage battery 11 via the fuse 35.
  • the bypass path L ⁇ b> 3 the lead storage battery 11 can be connected to the electric load 15 and the rotating electrical machine unit 16 without using the switch 31.
  • a bypass switch 36 composed of a normally closed mechanical relay is provided in the bypass path L3, for example. By turning on (closing) the bypass switch 36, the lead storage battery 11, the electrical load 15, and the rotating electrical machine unit 16 are electrically connected even when the switch 31 is turned off (opened).
  • the battery unit U includes a battery ECU 37 that controls on / off (opening / closing) of the switches 31 and 32.
  • the battery ECU 37 is constituted by a microcomputer including a CPU, a ROM, a RAM, an input / output interface, and the like.
  • the battery ECU 37 controls the on / off of the switches 31 and 32 based on the storage state of each of the storage batteries 11 and 12 and the command value from the engine ECU 40 that is the host controller. Thereby, charging / discharging is implemented using the lead storage battery 11 and the lithium ion storage battery 12 selectively.
  • the battery ECU 37 calculates the SOC (remaining capacity: State Of Charge) of the lithium ion storage battery 12, and sets the charge amount and discharge amount to the lithium ion storage battery 12 so that the SOC is maintained within a predetermined use range. Control.
  • SOC main capacity: State Of Charge
  • the rotating electrical machine ECU 23 of the rotating electrical machine unit 16 and the battery ECU 37 of the battery unit U are connected to an engine ECU 40 as a host controller that manages these ECUs 23 and 37 in an integrated manner.
  • the engine ECU 40 is configured by a microcomputer including a CPU, a ROM, a RAM, an input / output interface, and the like, and controls the operation of the engine 42 based on each engine operation state and vehicle running state.
  • the ECUs 23, 37, and 40 are connected by a communication line 41 that constructs a communication network such as CAN and can communicate with each other, and bidirectional communication is performed at a predetermined cycle. Thereby, the various data memorize
  • the battery ECU 37 corresponds to a “first control device”
  • the inverter 22 and the rotating electrical machine ECU 23 correspond to a “second control device”
  • the engine ECU 40 corresponds to a “third control device”.
  • the communication line 41 corresponds to a “signal transmission unit”.
  • the battery ECU 37 determines whether or not each switch 31 and 32 has an off-failure, and prevents the use of the lithium ion storage battery 12 (that is, charging / discharging) when the off-failure occurs. Output an off signal.
  • the switches 31 and 32 are turned off, the opening command for the bypass switch 36 is stopped, and accordingly, the bypass switch 36 shifts to the closed state. Under such a state, the lead storage battery 11 side is connected to the rotating electrical machine unit 16 via the bypass path L3. At this time, the switch 32 is turned off, thereby disconnecting the lithium ion storage battery 12 from the rotating electrical machine unit 16.
  • the battery ECU 37 determines whether or not the lithium ion storage battery 12 is in an abnormally high temperature state by a temperature sensor or the like provided in the unit, and prohibits the use of the lithium ion storage battery 12 when the abnormal high temperature occurs.
  • An off signal is output to each of the switches 31 and 32. Also in this case, as described above, the bypass switch 36 shifts to the closed state, and the lead storage battery 11 side is connected to the rotating electrical machine unit 16 via the bypass path L3.
  • the battery ECU 37 transmits an abnormality signal indicating the occurrence of abnormality to another ECU, that is, the rotating electrical machine ECU 23 or the engine ECU 40 via the communication line 41.
  • the engine ECU 40 transmits a fail-safe signal to the rotating electrical machine ECU 23 to cause the rotating electrical machine 21 to perform a fail-safe operation.
  • the rotating electrical machine unit 16 performs output restriction of the generated power of the rotating electrical machine 21 as fail-safe processing for occurrence of an abnormality in the battery unit U.
  • the power generation voltage of the rotating electrical machine unit 16 (the output voltage for the battery unit U) is limited by adjusting the excitation current flowing through the field winding 25 of the rotating electrical machine 21.
  • the generated power can be made zero. It is also possible to limit the output of the rotating electrical machine 21 by adjusting the current flowing through each phase winding.
  • bypass route L3 and the bypass route L3 It is conceivable that a current (overcurrent) having a magnitude exceeding the allowable value in the bypass switch 36 flows. That is, in the state where charging / discharging of the lithium ion storage battery 12 is stopped, charging / discharging is performed only by the lead storage battery 11 in the power supply system, and excessive discharge from the rotating electrical machine 21 to the lead storage battery 11 side may occur. Concerned. If an overcurrent flows through the bypass route L3 or the like, the bypass switch 36 may be damaged, which may result in the vehicle being unable to continue a desired retreat travel state.
  • the output of the rotating electrical machine 21 is limited as fail-safe processing, so that the magnitude of the current flowing through the bypass path L3 is limited. Therefore, the bypass route L3 and the bypass switch 36 can be protected, and a desired evacuation traveling state can be continued in the vehicle.
  • the battery ECU 37 when an abnormality occurs in the battery unit U, the battery ECU 37 first determines that an abnormality has occurred, and then transmits an abnormality signal to the engine ECU 40 via the communication line 41. A fail safe signal corresponding to the abnormal signal is transmitted from the ECU 40 to the rotating electrical machine ECU 23 via the communication line 41.
  • the fail safe process in the rotating electrical machine unit 16 is performed. It takes time to fail-safe processing, and there is a concern that secondary problems will occur. Assuming that communication is performed discretely between the ECUs, there is a concern that the time required for fail-safe processing may be prolonged.
  • the following characteristic configuration is adopted on the assumption that the ECUs 23, 37, and 40 can communicate with each other via the communication line 41. That is, (1)
  • the battery ECU 37 opens the switches 31 and 32 when the abnormality occurs in the battery unit U (that is, when abnormality occurs regarding charging / discharging of the lithium ion storage battery 12), and the rotating ECU ECU 23 and the engine ECU 40 An abnormality signal (corresponding to a power storage unit signal) including abnormality information corresponding to the occurrence of abnormality is transmitted.
  • the engine ECU 40 Based on the abnormality signal received from the battery ECU 37, the engine ECU 40 transmits a fail-safe signal (corresponding to an operation command signal) for causing the rotating electrical machine 21 to perform a fail-safe operation to the rotating electrical machine ECU 23.
  • the rotating electrical machine ECU 23 starts the fail safe operation of the rotating electrical machine 21 based on the earlier one of reception of the abnormal signal from the battery ECU 37 and reception of the fail safe signal from the engine ECU 40.
  • the abnormality may be resolved after the abnormality occurs in the battery unit U.
  • this is a case where the high temperature abnormality of the lithium ion storage battery 12 is resolved.
  • the following configuration is adopted. That is, (4)
  • the battery ECU 37 returns the switches 31 and 32 to normal control when the abnormality is resolved after the abnormality has occurred in the battery unit U, and includes abnormality information corresponding to the abnormality cancellation with respect to the engine ECU 40.
  • Abnormality cancellation signal (corresponding to power storage unit signal) is transmitted.
  • the engine ECU 40 generates a fail-safe release signal (corresponding to an operation command signal) for causing the rotating electrical machine ECU 23 to release the fail-safe operation of the rotating electrical machine 21 based on the abnormality canceling signal received from the battery ECU 37.
  • the rotating electrical machine ECU 23 ends the fail safe operation of the rotating electrical machine 21 based on the fail safe release signal received from the engine ECU 40.
  • FIG. 3 is a flowchart showing a processing procedure of abnormality determination in the battery unit U, and this processing is repeatedly performed by the battery ECU 37 at a predetermined cycle.
  • step S11 it is determined whether or not the occurrence of abnormality of the battery unit U has already been determined. If NO, the process proceeds to step S12, and if YES, the process proceeds to step S15.
  • step S12 the presence or absence of abnormality in the battery unit U is determined. Specifically, it is determined whether or not an off failure has occurred in the switches 31 and 32 and whether or not a high temperature abnormality has occurred in the lithium ion storage battery 12. If there is no abnormality, the process is temporarily terminated as it is. If there is an abnormality, the process proceeds to the subsequent step S13.
  • step S13 the switch 31 and 32 are instructed to be turned off, and the bypass switch 36 is instructed to be turned on. Thereby, the use of the lithium ion storage battery 12 is prohibited, and the lead storage battery 11 and the rotating electrical machine unit 16 are connected via the bypass path L3. Thereafter, in step S14, an abnormal signal is transmitted to the rotating electrical machine ECU 23 and the engine ECU 40 using the communication line 41.
  • step S15 it is determined whether or not the abnormal state of the battery unit U has been resolved. For example, when a temporary OFF failure has occurred in the switches 31 and 32, or when the abnormally high temperature of the lithium ion storage battery 12 has been resolved, step S15 is affirmed. When step S15 is affirmed, it will progress to step S16 and will return each switch 31 and 32 to a normal state. At this time, the switches 31 and 32 are in a state in accordance with the vehicle state at each time, and the bypass switch 36 is in an open state. Thereafter, in step S ⁇ b> 17, an abnormality release signal is transmitted to the engine ECU 40 using the communication line 41.
  • FIG. 4 is a flowchart showing a processing procedure for abnormality monitoring, and this processing is repeatedly performed by the engine ECU 40 at a predetermined cycle.
  • step S21 it is determined whether or not an abnormal signal is received from the battery ECU 37. If an abnormal signal has been received, the process proceeds to step S ⁇ b> 22, and a fail safe signal is transmitted to the rotating electrical machine ECU 23 using the communication line 41.
  • step S21 the process proceeds to step S23 to determine whether or not an abnormality release signal has been received from the battery ECU 37. If an abnormality release signal has been received, the process proceeds to step S ⁇ b> 24, and a fail safe release signal is transmitted to the rotating electrical machine ECU 23 using the communication line 41.
  • FIG. 5 is a flowchart showing a processing procedure of fail-safe control in the rotating electrical machine unit 16, and this process is repeatedly performed by the rotating electrical machine ECU 23 at a predetermined cycle.
  • step S31 it is determined whether or not the fail safe process is currently being executed in the rotating electrical machine unit 16. If NO, the process proceeds to step S32, and if YES, the process proceeds to step S35. move on.
  • step S32 it is determined whether or not an abnormal signal has been received from the battery ECU 37. If an abnormal signal is received, the process proceeds to step S33, and the output of the rotating electrical machine 21 is limited by adjusting the field current as fail-safe processing. As the fail-safe process, it is possible to limit the output of the rotating electrical machine 21 by adjusting the current of each phase winding.
  • step S34 determines whether or not a fail safe signal has been received from the engine ECU 40. And if the fail safe signal is received, it will progress to step S33 and will implement a fail safe process.
  • the fail-safe process is performed based on the signal received first out of the abnormality signal from battery ECU 37 and the fail-safe signal from engine ECU 40. It should be noted that the normal process is continued without performing the fail-safe process in a situation where neither the fail-safe state nor the abnormal signal or the fail-safe signal is received.
  • step S35 it is determined whether or not a fail safe release signal is received from the engine ECU 40. If the fail-safe cancel signal has been received, the process proceeds to step S36, and the fail-safe process currently being executed is terminated. Thereby, the output restriction
  • the rotating electrical machine ECU 23 recognizes that an abnormality has occurred in the battery unit U based on the reception of the abnormality signal, and accordingly, a fail-safe process, that is, output limitation of the rotating electrical machine 21 is performed. Further, at timing t2 (possibly before and after that), the engine ECU 40 recognizes that an abnormality has occurred in the battery unit U based on the reception of the abnormality signal, and accordingly, a fail-safe signal is transmitted to the rotating electrical machine ECU 23.
  • the rotary electric machine ECU 23 receives a fail-safe signal.
  • the fail safe process since the fail safe process has already been started based on the abnormality signal from the battery ECU 37 at the previous timing t2, the fail safe operation of the rotating electrical machine 21 is continued.
  • the engine ECU 40 recognizes that the abnormality has been resolved in the battery unit U based on the reception of the abnormality cancellation signal, and accordingly, a fail-safe cancellation signal is transmitted to the rotating electrical machine ECU 23.
  • the rotary electric machine ECU 23 receives a fail-safe release signal. And the fail safe operation
  • the rotating electrical machine ECU 23 (second control device) directly receives the power storage unit signal from the battery ECU 37 (first control device) without waiting for the reception of the operation command signal from the engine ECU 40 (third control device). Based on the power storage unit signal, emergency treatment can be performed. That is, in the battery ECU 37, when a state change related to charging / discharging of the lithium ion storage battery 12 occurs, the information can be reflected in the operation of the rotating electrical machine 21 quickly. In addition to being able to respond quickly by the rotating electrical machine ECU 23, the engine ECU 40 can respond with high reliability.
  • the rotating electrical machine ECU 23 performs local arithmetic processing with the rotating electrical machine 21 as a control target, whereas the engine ECU 40 manages other ECUs in an integrated manner. According to this, it is possible to implement a response with high certainty (also referred to as reliability).
  • the lithium ion storage battery 12 and the rotating electrical machine 21 can be appropriately controlled while quickly linking the lithium ion storage battery 12 side and the rotating electrical machine 21 side.
  • the battery ECU 37 opens the switches 31 and 32 when the abnormality occurs in the battery unit U (that is, when an abnormality occurs related to charging / discharging of the lithium ion storage battery 12), and the rotating electrical machine ECU 23 and the engine ECU 40 Send an abnormal signal containing abnormal information according to the occurrence of the abnormality, (2) Based on the abnormality signal received from the battery ECU 37, the engine ECU 40 transmits a fail-safe signal to the rotating electrical machine ECU 23 to cause the rotating electrical machine 21 to perform a fail-safe operation, (3) The rotating electrical machine ECU 23 starts the fail-safe operation of the rotating electrical machine 21 based on the earlier of the reception of the abnormal signal from the battery ECU 37 and the reception of the fail-safe signal from the engine ECU 40.
  • the rotating electrical machine 21 can start a fail-safe operation (output limitation of the rotating electrical machine 21) based on the abnormal signal from the battery ECU 37 without waiting for the reception of the fail-safe signal from the engine ECU 40.
  • a fail-safe operation output limitation of the rotating electrical machine 21
  • the rotating electrical machine 21 can start a fail-safe operation (output limitation of the rotating electrical machine 21) based on the abnormal signal from the battery ECU 37 without waiting for the reception of the fail-safe signal from the engine ECU 40.
  • the battery ECU 37 returns the switches 31 and 32 to the normal control, and the engine ECU 40 includes abnormality information corresponding to the abnormality removal.
  • Send an error cancel signal (5)
  • the engine ECU 40 transmits a fail-safe cancellation signal to the rotating electrical machine ECU 23 to cancel the fail-safe operation of the rotating electrical machine 21; (6)
  • the rotating electrical machine ECU 23 is configured to end the fail safe operation of the rotating electrical machine 21 based on the fail safe release signal received from the engine ECU 40.
  • the authority to determine the end of the fail-safe operation is given only to the engine ECU 40 that is the host control device. Therefore, whether or not the fail safe operation can be completed can be more reliably performed. That is, priority is given to the quickness for the start of the failsafe operation, and certainty is given priority to the end of the failsafe operation.
  • the lead storage battery 11 and the lithium ion storage battery 12 are used, and the battery ECU 37 performs charge / discharge control for the lithium ion storage battery 12.
  • the lithium ion storage battery 12 is a high-density storage battery, it is desirable to appropriately manage the amount of stored electricity and the temperature in order to increase efficiency and durability.
  • the required amount of charge / discharge changes.
  • the required amount of charge / discharge changes according to changes in required power amount required from the various electric loads 14 and 15 or deterioration in the lithium ion storage battery 12.
  • the following configuration is adopted in the present embodiment. That is, (1) The battery ECU 37 transmits a request signal (corresponding to a power storage unit signal) including control information corresponding to the required amount of charge / discharge to the lithium ion storage battery 12 to the rotating electrical machine ECU 23 and the engine ECU 40.
  • the engine ECU 40 transmits an operation command signal for the rotating electrical machine 21 to the rotating electrical machine ECU 23 based on the request signal received from the battery ECU 37.
  • the rotating electrical machine ECU 23 controls the operation of the rotating electrical machine 21 based on the request signal received from the battery ECU 37, while controlling the operation of the rotating electrical machine 21 based on the operation command signal received from the engine ECU 40.
  • FIG. 7 is a flowchart showing a procedure of power request processing in the battery unit U, and this processing is repeatedly performed by the battery ECU 37 at a predetermined cycle.
  • step S41 it is determined whether or not the required charge / discharge amount for the lithium ion storage battery 12 has changed. Specifically, whether the required amount of charge / discharge has changed based on changes in the required amount of power required from the various electric loads 14, 15 or deterioration in the lithium ion storage battery 12. Determine. For example, when the required power amount required from the various electric loads 14 and 15 increases, it is determined that the required charge / discharge amount for the lithium ion storage battery 12 has increased. Moreover, when deterioration arises in the lithium ion storage battery 12, it determines that the required amount of charging / discharging became small.
  • step S42 On condition that step S41 is YES.
  • step S ⁇ b> 42 a request signal corresponding to the required charge / discharge amount is transmitted to the rotating electrical machine ECU 23 and the engine ECU 40 using the communication line 41.
  • FIG. 8 is a flowchart showing a charging / discharging monitoring processing procedure, and this processing is repeatedly performed by the engine ECU 40 at a predetermined cycle.
  • step S51 it is determined whether a request signal has been received from the battery ECU 37 or not. If the request signal has been received, the process proceeds to step S 52, and an operation command signal for the rotating electrical machine 21 is transmitted to the rotating electrical machine ECU 23 using the communication line 41.
  • FIG. 9 is a flowchart showing a processing procedure of operation control in the rotating electrical machine unit 16, and this process is repeatedly performed by the rotating electrical machine ECU 23 at a predetermined cycle.
  • step S ⁇ b> 61 it is determined whether a request signal is received from the battery ECU 37. If the request signal is received, the process proceeds to step S62, and the operation of the rotating electrical machine 21 is controlled by current control in the inverter 22 or field current control.
  • step S63 determines whether an operation command signal has been received from the engine ECU 40 or not. If the operation command signal is received, the process proceeds to step S64, and the operation of the rotating electrical machine 21 is controlled by the current control by the inverter 22 or the field current control.
  • steps S62 and S64 the operation control of the rotating electrical machine 21 is performed based on the change in the required amount of charge / discharge with respect to the lithium ion storage battery 12, but the processing contents thereof are different from each other. Good.
  • step S62 the operation control of the rotating electrical machine 21 is performed giving priority to the responsiveness to the requested change
  • step S64 the operation control of the rotating electrical machine 21 is performed giving priority to the certainty to the requested change.
  • the operation amount of the rotating electrical machine 21 in each step S62, S64 is made different.
  • the operation amounts A1 and A2 (for example, generated power) of the rotating electrical machine 21 in the respective steps S62 and S64 are set to A1 ⁇ A2.
  • the rotating electrical machine ECU 23 (second control device) promptly receives from the battery ECU 37 (first control device) without waiting for reception of an operation command signal from the engine ECU 40 (third control device).
  • the operation of the rotating electrical machine 21 can be controlled according to the request signal.
  • the rotating electrical machine ECU 23 makes the operating amount of the rotating electrical machine 21 different from the charge / discharge required amount between the control of the rotating electrical machine 21 based on the operation command signal and the control of the rotating electrical machine 21 based on the request signal. Therefore, it is possible to appropriately control the operation of the rotating electrical machine 21 according to the situation at the time of the state transition.
  • the rotating electrical machine ECU 23 transmits a rotating electrical machine signal including at least one of control information and abnormality information regarding the rotating electrical machine 21 to the battery ECU 37 and the engine ECU 40.
  • the engine ECU 40 Based on the rotating electrical machine signal received from the rotating electrical machine ECU 23, the engine ECU 40 transmits an opening / closing command signal related to opening / closing of the switches 31 and 32 to the battery ECU 37.
  • the battery ECU 37 controls the opening and closing of the switches 31 and 32 based on the opening / closing command signal received from the engine ECU 40, while opening and closing the switches 31 and 32 based on the rotating electrical machine signal received from the rotating electrical machine ECU 23. Control.
  • the battery ECU 37 can directly receive the rotating electrical machine signal from the rotating electrical machine ECU 23 without waiting for the reception of the opening / closing command signal from the engine ECU 40, and can perform an emergency treatment based on the rotating electrical machine signal. That is, in the rotating electrical machine ECU 23, when any change or the like occurs in the control information or abnormality information related to the rotating electrical machine 21, the information can be immediately reflected in the opening / closing of the switches 31 and 32.
  • the rotating electrical machine ECU 23 transmits a rotating electrical machine abnormality signal (corresponding to the rotating electrical machine signal) corresponding to the occurrence of the abnormality to the battery ECU 37 and the engine ECU 40.
  • the engine ECU 40 Based on the rotating electrical machine abnormality signal received from the rotating electrical machine ECU 23, the engine ECU 40 transmits a forced opening signal (corresponding to an open / close command signal) to the battery ECU 37 to forcibly open the switches 31 and 32.
  • the battery ECU 37 forcibly opens the switches 31 and 32 based on the earlier of the reception of the rotating electrical machine abnormality signal from the rotating electrical machine ECU 23 and the reception of the forced opening signal from the engine ECU 40.
  • FIG. 10 is a flowchart showing a processing procedure of abnormality determination in the rotating electrical machine unit 16, and this processing is repeatedly performed by the rotating electrical machine ECU 23 at a predetermined cycle.
  • step S71 it is determined whether there is an abnormality in the rotating electrical machine unit 16 or not. Specifically, based on the energization current in the inverter 22 or the like, it is determined whether or not an overcurrent is flowing due to an internal short circuit in the rotating electrical machine 21 or the inverter 22.
  • the rotating electrical machine ECU 23 may determine whether or not there is an overcurrent when the rotating electrical machine 21 is in a state other than power running (power generation or non-operating state). When the rotating electrical machine 21 is in a state other than power running, power is not supplied from the storage batteries 11 and 12 side to the rotating electrical machine 21 side. Therefore, even when the current threshold is relatively low, it can be accurately determined that overcurrent flows due to the presence or absence of overcurrent, that is, due to a short circuit or the like.
  • step S 72 the rotating electrical machine abnormality signal is transmitted to the battery ECU 37 and the engine ECU 40 using the communication line 41.
  • FIG. 11 is a flowchart showing an abnormality monitoring processing procedure, and this processing is repeatedly performed by the engine ECU 40 at a predetermined cycle.
  • step S81 it is determined whether a rotating electrical machine abnormality signal is received from the rotating electrical machine ECU 23 or not. If the rotating electrical machine abnormality signal is received, the process proceeds to step S 82, and a forced opening signal of the switches 31 and 32 is transmitted to the battery ECU 37 using the communication line 41.
  • FIG. 12 is a flowchart showing a processing procedure of fail-safe control in the battery unit U, and this processing is repeatedly performed by the battery ECU 37 at a predetermined cycle.
  • step S91 it is determined whether a rotating electrical machine abnormality signal is received from the rotating electrical machine ECU 23 or not. If the rotating electrical machine abnormality signal has been received, the process proceeds to step S92, where it is instructed to turn off the switches 31 and 32 and the bypass switch 36 is instructed as fail-safe processing.
  • step S93 it is determined whether or not a forced opening signal has been received from the engine ECU 40. If the forced release signal has been received, the process proceeds to step S92, and a fail safe process is performed. In this case, according to steps S91 to S93, the fail-safe process is performed based on the signal received earlier among the rotating electrical machine abnormality signal from the rotating electrical machine ECU 23 and the forced release signal from the engine ECU 40.
  • the switches 31 and 32 of the battery unit U are forcibly opened based on the rotating electrical machine abnormality signal from the rotating electrical machine ECU 23 without waiting for the reception of the forced opening signal from the engine ECU 40.
  • the bypass switch 36 is closed.
  • an overcurrent determination is performed.
  • the rotating electrical machine 21 when the rotating electrical machine 21 is in a state other than power running (power generation or non-operating state), an overcurrent determination is performed.
  • the energization from the storage batteries 11 and 12 side to the rotating electrical machine 21 side is not performed, and therefore the overcurrent determination can be performed with a relatively low current threshold. Therefore, before the excessive electric current flows through the rotating electrical machine 21 and the inverter 22, a measure such as opening the switch can be performed, and the switch element and the like can be appropriately protected.
  • the opening and closing of the switches 31 and 32 in the battery unit U is controlled according to the change in the amount of power generation. That is, (1) The rotating electrical machine ECU 23 transmits a power generation state signal (corresponding to the rotating electrical machine signal) including the power generation amount as control information of the rotating electrical machine 21 to the battery ECU 37 and the engine ECU 40, (2) Based on the power generation state signal received from the rotating electrical machine ECU 23, the engine ECU 40 transmits an opening / closing command signal regarding opening / closing of the switches 31, 32 to the battery ECU 37, (3) The battery ECU 37 controls the opening and closing of the switches 31 and 32 based on the opening / closing command signal received from the engine ECU 40, while opening and closing the switches 31 and 32 based on the power generation state signal received from the rotating electrical machine ECU 23. Control.
  • the opening and closing of the switches 31 and 32 may be controlled based on the earlier one of reception of the opening / closing command signal from the engine ECU 40 and reception of the power generation state signal from the rotating electrical machine ECU 23.
  • each of the switches Sp and Sn of the inverter 22 has the following configuration.
  • FIG. 13 is a perspective view showing a part of the switch module 50 constituting each of the switches Sp and Sn.
  • the switch module 50 includes a main body 51 formed by resin-molding a semiconductor switching element and a peripheral circuit, and a lead 52 (bus bar) connected to the semiconductor switching element and the like and protruding from the side of the main body 51. have.
  • the lead portion 52 is mounted by welding or the like on the substrate or a mounting position that is a predetermined portion at the tip portion.
  • a narrow part 52a is provided in a part thereof. For this reason, when an excessive current (overcurrent) flows to the switch module 50 through the lead portion 52, the narrow portion 52a is melted by heat generation.
  • a short circuit may occur in the rotating electrical machine 21 in addition to the short circuit in the inverter 22. For example, if a short circuit occurs in any part of each phase winding 24U, 24V, 24W, Overcurrent flows through the switches Sp and Sn of the inverter 22.
  • the failure of the battery unit U in a state where the current is reduced is focused on the fact that the current in the energization path suddenly drops from a large current due to the blow.
  • the switches 31 and 32 are forcibly opened. In this case, the power supply from the lead storage battery 11 or the lithium ion storage battery 12 to the inverter 22 is stopped by opening the switches 31 and 32.
  • the rotating electrical machine ECU 23 is based on the results of the first determination that the energization current flowing through the inverter 22 has increased to a predetermined overcurrent threshold and the second determination that the current has subsequently decreased. It is determined that an overcurrent has flowed through. Further, the battery ECU 37 opens the switches 31 and 32 based on the result of the overcurrent determination in the rotating electrical machine ECU 23.
  • FIG. 14 is a flowchart showing a processing procedure of abnormality determination in the rotating electrical machine unit 16, and this processing is performed in place of the processing in FIG. 10 described above.
  • step S101 the detected current Ia detected by the current sensor 27 is acquired.
  • step S102 is denied and the process proceeds to step S105.
  • step S105 it is determined whether or not the detected current Ia is less than a predetermined second threshold TH2.
  • step S106 a rotating electrical machine abnormality signal is transmitted to the battery ECU 37 and the engine ECU 40 using the communication line 41, and then the present process is terminated.
  • the rotating electrical machine abnormality signal is output from the rotating electrical machine ECU 23.
  • the battery ECU 37 of the battery unit U recognizes that an overcurrent has occurred in the rotating electrical machine unit 16 based on the reception of the rotating electrical machine abnormality signal, and accordingly, the fail safe process, that is, the switches 31 and 32 are switched. Forced release is performed.
  • the energization current is suppressed to a small current, and the switches 31 and 32 can be suitably opened while protecting the switch. That is, if the switches 31 and 32 of the energization path are opened under an overcurrent condition, a surge current is generated in the energization path, and the switches 31 and 32 may be damaged due to the surge current. Is done.
  • the switches 31 and 32 are opened in a state where the overcurrent has been temporarily stopped. Therefore, the surge current when the switch is opened is suppressed, and further, the switch breakage due to the surge current is suppressed.
  • the engine ECU 40 recognizes that an overcurrent has occurred based on the reception of the rotating electrical machine abnormality signal at timing t14 (possibly before and after that), and accordingly, a forced release signal is transmitted to the battery ECU 37. Therefore, in the configuration in which the fail safe process is performed in the battery unit U after waiting for a command from the engine ECU 30 which is the host ECU, the fail safe process is performed at a timing later than the timing t14. Since the battery ECU 37 performs the fail-safe process based on the rotating electrical machine abnormality signal from the rotating electrical machine ECU 23 without waiting for the reception of the forcible opening signal from the engine ECU 40, it is possible to perform an early treatment.
  • the second determination that the current has decreased after the inverter energization current has increased to the first threshold TH1 it is determined that the energization current has decreased to the second threshold TH2 that is smaller than the first threshold TH1.
  • the inverter energization current is increased to the first threshold value TH1.
  • a configuration other than the narrow portion 52a of the lead portion 52 in the switch module 50 may be used as a cut-off portion that cuts off the energization path when an overcurrent flows through at least one of the rotating electrical machine 21 and the inverter 22.
  • a fusing part such as a fuse may be provided in the energization path of the inverter 22.
  • a blocking part may be provided in the rotating electrical machine 21.
  • the configuration of the power supply system is partly changed from FIG. 1 and is shown in FIG. In FIG. 16, as a difference from FIG. 1, a current sensor 61 is provided between the point N ⁇ b> 1 and the output terminal P ⁇ b> 2 in the electric path L ⁇ b> 1 in the battery unit U. Further, only the rotating electrical machine unit 16 is connected to the output terminal P2 of the battery unit U, and other electrical loads (devices) are not connected.
  • the rotating electrical machine ECU 23 transmits a state signal indicating which state the rotating electrical machine 21 is in among a plurality of states including power generation and power running to the battery ECU 37 and the engine ECU 40 as a rotating electrical machine signal.
  • the engine ECU 40 transmits an open / close command signal related to opening / closing of the switch to the battery ECU 37 based on the state signal transmitted from the rotating electrical machine ECU 23.
  • the battery ECU 37 controls opening and closing of the switches 31 and 32 based on the opening / closing command signal transmitted from the engine ECU 40, while opening / closing of the switches 31 and 32 based on the state signal transmitted from the rotating electrical machine ECU 23 To control.
  • the state signal transmitted from the rotating electrical machine ECU 23 is a mode signal indicating whether the rotating electrical machine 21 is in a power generation mode, a power running mode, or a neutral mode (non-operation mode).
  • This mode signal is generally bidirectionally communicated between the engine ECU 40 and the rotating electrical machine ECU 23, and the engine ECU 40 grasps the state of the rotating electrical machine 21 based on the mode signal.
  • the mode signal is periodically transmitted from the rotating electrical machine ECU 23 also to the battery ECU 37.
  • the rotating electrical machine ECU 23 transmits a mode signal to the engine ECU 40 and the battery ECU 37 at a predetermined cycle.
  • This mode signal includes a non-powering signal indicating that the rotating electrical machine 21 is in a state other than powering when the rotating electrical machine 21 is in a state other than powering.
  • the battery ECU 37 receives the non-powering signal from the rotating electrical machine ECU 23, the battery ECU 37 opens the switches 31 and 32 based on the fact that the rotating electrical machine 21 is drawing current.
  • FIG. 17 is a flowchart showing a processing procedure of fail-safe control in the battery unit U, and this processing is repeatedly performed by the battery ECU 37 at a predetermined cycle.
  • step S111 based on the mode signal received from the rotating electrical machine ECU 23, it is determined whether or not the rotating electrical machine 21 is currently in a state other than power running. And it progresses to step S112 on condition that it determines with it being in states other than power running. In step S112, it is determined whether or not the rotating electrical machine 21 is drawing current.
  • the detection signal of the current sensor 61 is used to determine whether or not an abnormal current is flowing from the storage battery 11 or 12 side to the rotating electrical machine unit 16 side, that is, the current flowing to the rotating electrical machine unit 16 side. Is determined to be greater than or equal to a predetermined threshold.
  • the threshold value for determining the abnormal current may be a relatively small current value (several A to several 10 A).
  • step S113 If the rotating electrical machine 21 is drawing current, the process proceeds to step S113, and commands to turn off the switches 31, 32 are given as fail-safe processing.
  • step S114 an FS execution signal indicating that the fail-safe process has been executed is transmitted to engine ECU 40.
  • steps S111 and S112 are NO, the present process may be terminated as it is, but in the present embodiment, a fail-safe process is performed based on a command from the engine ECU 40. .
  • a fail-safe process is performed based on a command from the engine ECU 40.
  • FIG. 17 it is determined whether or not a forced release signal (open signal based on an abnormality signal from the rotating electrical machine ECU) is received from the engine ECU 40 in step S115. If the forced release signal is received, the process proceeds to step S113. Perform fail-safe processing at
  • the battery ECU 37 can promptly perform control in accordance with the state of the rotating electrical machine 21 without receiving a signal indicating the information of the rotating electrical machine 21 from the engine ECU 40.
  • the battery ECU 37 grasps that the rotating electrical machine 21 is in a state other than powering based on the non-powering signal from the rotating electrical machine ECU 23, and the rotating electrical machine 21 is drawing current under this state, The switches 31 and 32 are opened because current is flowing.
  • the battery ECU 37 can quickly grasp the state of the overcurrent abnormality and can appropriately protect the switch element and the like. For example, even if the current threshold is relatively low, the presence or absence of overcurrent can be accurately determined, and fail-safe processing can be performed before excessive current flows through the rotating electrical machine 21 and the inverter 22.
  • the voltage and current have values correlated with each other.
  • the battery ECU 37 and the rotating electrical machine ECU 23 can exchange information on the detected voltage and the detected current with each other, improvement in accuracy and reliability of the detected voltage and the detected current can be expected. Therefore, in either one of the battery ECU 37 and the rotating electrical machine ECU 23, a voltage (detected voltage by the voltage sensor 33 or 34) detected in the energizing path of the lithium ion storage battery 12 and a voltage detected in the energizing path of the rotating electrical machine 21. (The detection voltage by the voltage sensor 26) is compared, and the reliability evaluation regarding detection information is implemented based on the comparison result.
  • FIG. 18A shows processing by the battery ECU 37
  • FIG. 18B shows processing by the rotating electrical machine ECU 23, which are executed by the ECUs 37 and 23 at a predetermined cycle.
  • step S121 the detection voltage by the voltage sensor 33 is acquired, and in the subsequent step S122, a detection voltage signal corresponding to the acquired voltage is transmitted to the rotating electrical machine ECU 23 via the communication line 41. .
  • step S131 the detection voltage by the voltage sensor 26 is acquired, and in the subsequent step S132, it is determined whether or not a detection voltage signal is received from the battery ECU 37. If step S132 is YES, the process proceeds to step S133.
  • step S133 the detection voltage by the voltage sensor 33 and the detection voltage by the voltage sensor 26 are compared, and the reliability of the detection information is evaluated based on the comparison result. Specifically, if the difference between the detection voltages is less than a predetermined value, the reliability of each voltage sensor is evaluated to be high, and if the difference between the detection voltages is equal to or greater than the predetermined value, at least one of the voltage sensors Assess that the reliability is low.
  • the battery ECU 37 may perform the reliability evaluation regarding the detection information instead of the rotating electrical machine ECU 23.
  • the detection voltage signal is transmitted from the rotating electrical machine ECU 23 to the battery ECU 37.
  • the current detected by the current path of the lithium ion storage battery 12 (current detected by the current sensor) and the current detected by the current path of the rotating electrical machine 21 (current detected by the current sensor) are compared, and the comparison result is Based on this, it may be configured to perform reliability evaluation on detection information.
  • the reliability of the detection information that is, the reliability of the voltage sensor or the current sensor can be suitably evaluated based on the difference between the detection information acquired by the ECUs 23 and 37.
  • the detected voltage (or detected current) at the battery unit U and the detected voltage (or detected current) at the rotating electrical machine unit 16 may be transmitted from the ECUs 23 and 37 to the engine ECU 40.
  • the engine ECU 40 performs reliability evaluation regarding the detection information.
  • FIG. 19 is a circuit diagram showing another configuration as a control system.
  • the ECUs 23, 37, and 40 are connected by a communication line 41, and the battery ECU 37 and the rotating electrical machine ECU 23 are connected by a hard wire 45.
  • the hard wire 45 is connected to the interrupt port 46 of the rotating electrical machine ECU 23.
  • the hard wire 45 is a signal line that transmits a voltage signal at the output port of the output side ECU to the input port of the input side ECU.
  • the communication line 41 may be any communication line that enables signal transmission between at least the ECUs 23 and 37 and the ECU 40.
  • an abnormality signal is transmitted from the battery ECU 37 to the interrupt port 46 of the rotating electrical machine ECU 23 via the hard wire 45.
  • the fail safe process of the rotating electrical machine 21 is performed in accordance with the signal input to the interrupt port 46.
  • the ECUs 23, 37, and 40 are connected by a communication line 41, and the battery ECU 37 and the inverter 22 are connected by a hard wire 45.
  • the voltage signal of the output port in the battery ECU 37 is directly transmitted to the inverter 22, and the output of the inverter 22 is adjusted by the voltage signal.
  • a voltage signal corresponding to the abnormality is transmitted from the battery ECU 37 to the inverter 22 via the hard wire 45. Thereby, for example, each switching element of the inverter 22 is turned off.
  • the battery ECU 37 and the rotating electrical machine unit 16 (the rotating electrical machine ECU 23 or the inverter 22) are connected by the hard wire 45
  • the battery ECU 37 and the rotating electrical machine unit do not wait for a communication cycle in each ECU. 16 (rotary electric machine ECU23 or inverter 22) and signal transmission are attained. As a result, information can be transmitted more quickly.
  • an electric load 14 that is a constant voltage required load is connected to the output terminal P1 side of the battery unit U, that is, the lead storage battery 11 side, and the output terminal P2 side, that is, the rotating electrical machine unit 16 side.
  • the electric load 15 which is a general load is connected to the above, this may be changed.
  • the electric load 15 (general load) may be connected to the output terminal P1 side of the battery unit U, and the electric load 14 (constant voltage required load) may be connected to the output terminal P2 side.
  • the lead storage battery 11 is provided as the first power storage unit and the lithium ion storage battery 12 is provided as the second power storage unit, but this may be changed.
  • a high-density storage battery other than the lithium ion storage battery 12 for example, a nickel-hydrogen battery may be used.
  • a capacitor can be used as at least one of the power storage units.
  • the power supply system to which the present disclosure is applied can be used for purposes other than vehicles.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Selon la présente invention, il est possible d'effectuer une transmission de signaux mutuelle entre un premier dispositif de commande (37) et un troisième dispositif de commande (40) et entre un deuxième dispositif de commande (22, 23) et le troisième dispositif de commande par l'intermédiaire de parties de transmission de signaux (41, 45), ledit troisième dispositif de commande commandant intégralement le premier dispositif de commande et le deuxième dispositif de commande. Le troisième dispositif de commande transmet un signal de commande au deuxième dispositif de commande en réponse à un signal reçu en provenance du premier dispositif de commande. Le premier dispositif de commande transmet un signal d'unité de stockage d'électricité au deuxième dispositif de commande et au troisième dispositif de commande, ledit signal d'unité de stockage d'électricité comprenant au moins soit des informations de commande, soit des informations d'anomalie concernant le chargement/le déchargement. Le deuxième dispositif de commande comporte : une fonction de commande du fonctionnement d'une machine électrique tournante (21) sur la base d'un signal de commande de fonctionnement transmis par le troisième dispositif de commande en réponse au signal d'unité de stockage d'électricité et concernant le fonctionnement de la machine électrique tournante; et une fonction de commande du fonctionnement de la machine électrique tournante sur la base du signal d'unité de stockage d'électricité transmis par le premier dispositif de commande.
PCT/JP2017/025454 2016-07-27 2017-07-12 Système de commande WO2018021032A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201780046309.6A CN109716614B (zh) 2016-07-27 2017-07-12 控制系统
DE112017003779.4T DE112017003779T5 (de) 2016-07-27 2017-07-12 Steuerungssystem
US16/321,359 US11052765B2 (en) 2016-07-27 2017-07-12 Control system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2016147887 2016-07-27
JP2016-147887 2016-07-27
JP2016211038A JP6601365B2 (ja) 2016-07-27 2016-10-27 制御システム
JP2016-211038 2016-10-27

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WO2018021032A1 true WO2018021032A1 (fr) 2018-02-01

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012130108A (ja) * 2010-12-13 2012-07-05 Denso Corp 電源装置
JP2015109741A (ja) * 2013-12-04 2015-06-11 株式会社デンソー 電池制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012130108A (ja) * 2010-12-13 2012-07-05 Denso Corp 電源装置
JP2015109741A (ja) * 2013-12-04 2015-06-11 株式会社デンソー 電池制御装置

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