WO2018016093A1 - Vehicle control apparatus, vehicle control system, and method for controlling vehicle control apparatus - Google Patents

Vehicle control apparatus, vehicle control system, and method for controlling vehicle control apparatus Download PDF

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Publication number
WO2018016093A1
WO2018016093A1 PCT/JP2016/076721 JP2016076721W WO2018016093A1 WO 2018016093 A1 WO2018016093 A1 WO 2018016093A1 JP 2016076721 W JP2016076721 W JP 2016076721W WO 2018016093 A1 WO2018016093 A1 WO 2018016093A1
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Prior art keywords
idling stop
vehicle
internal combustion
combustion engine
speed
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PCT/JP2016/076721
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French (fr)
Japanese (ja)
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一由希 目黒
光宏 木村
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新電元工業株式会社
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Priority to JP2017554106A priority Critical patent/JP6367497B2/en
Publication of WO2018016093A1 publication Critical patent/WO2018016093A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00

Definitions

  • the present invention relates to a vehicle control device, a vehicle control system, and a control method for the vehicle control device.
  • Patent Document 1 Conventionally, a vehicle has been provided with an idling stop function that automatically stops an internal combustion engine when the vehicle stops due to a signal or the like in order to suppress fuel consumption (see Patent Document 1).
  • the idling stop processing time that is, the required time is different between the second and subsequent idling stops. Therefore, the idling stop is performed after the throttle is closed. There was a difference in the waiting time before starting.
  • the waiting time for the first idling stop is long, the waiting time for the second and subsequent idling stops was relatively short. As described above, since there is a difference in the waiting time until the start of the idling stop, there is a problem that the driver may feel uncomfortable.
  • the present invention relates to a vehicle control device and a vehicle capable of suppressing a driver's uncomfortable feeling by suppressing a difference in waiting time between the first execution of idling stop and the second and subsequent executions. It is an object of the present invention to provide a control system and a control method for a vehicle control device.
  • a vehicle control device includes: A vehicle control device having a control unit that executes idling stop control for temporarily stopping an internal combustion engine of a vehicle,
  • the controller is In a first case where the idling stop control is not yet executed after the internal combustion engine is started when a closed throttle operation for reducing the throttle opening to a reference opening or less is performed, When the vehicle speed is equal to or higher than the first determination speed, the idling stop control is executed, In the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the second determination speed is higher than the first determination speed. When this is the case, the idling stop control is executed again.
  • the controller is In the first case, when the state where the vehicle speed is equal to or higher than the first determination speed continues for the first determination time or longer, the idling stop control is executed, In the second case, even when the idling stop control is executed again when the vehicle speed is equal to or higher than the second determination speed for a second determination time longer than the first determination time. Good.
  • the controller is The first case or the second case may be detected based on a flag indicating whether or not the idling stop control has been executed.
  • the controller is The idling stop control may be executed by not transmitting a control signal instructing ignition to an ignition device that ignites the ignition plug of the internal combustion engine.
  • the rotational speed of the internal combustion engine may decrease with a decrease in the throttle opening.
  • a vehicle control system includes: An internal combustion engine of the vehicle; A vehicle control system having a control unit that executes idling stop control for temporarily stopping the internal combustion engine, The controller is In a first case where the idling stop control is not yet executed after the internal combustion engine is started when a closed throttle operation for reducing the throttle opening to a reference opening or less is performed, When the vehicle speed is equal to or higher than the first determination speed, the idling stop control is executed, In the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the second determination speed is higher than the first determination speed. When this is the case, the idling stop control is executed again.
  • a vehicle speed sensor for detecting the vehicle speed may detect that the vehicle speed is equal to or higher than the first determination speed or equal to or higher than the second determination speed based on the detected vehicle speed.
  • a throttle sensor for detecting the opening of the throttle The controller may detect that the closed throttle operation has been performed based on the detected throttle opening.
  • a control method for a vehicle control device includes: A control method for a vehicle control device for executing idling stop control for temporarily stopping an internal combustion engine of a vehicle, The idling stop control for temporarily stopping the internal combustion engine after the start of the internal combustion engine when the closed throttle operation for reducing the throttle opening to a reference opening or less is performed has not yet been executed.
  • the idling stop control is executed, In the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the second determination speed is higher than the first determination speed. When this is the case, the idling stop control is executed again.
  • the vehicle control device includes a control unit that executes idling stop control for temporarily stopping the internal combustion engine of the vehicle.
  • the idling stop control is executed when the vehicle speed is equal to or higher than the first determination speed.
  • the control unit performs the second determination in which the vehicle speed is higher than the first determination speed. When it is above the speed, the idling stop control is executed again.
  • the present invention by making the determination speed at the second and subsequent executions higher than the determination speed at the first execution of the idling stop control, the first execution and the second and subsequent executions of the idling stop control are performed.
  • the difference in waiting time between the times can be suppressed, and the driver's uncomfortable feeling can be suppressed.
  • a vehicle control system 1 according to this embodiment shown in FIG. 1 is a system that is mounted on a vehicle such as a motorcycle and controls an internal combustion engine of the vehicle.
  • the motorcycle may be a hybrid motorcycle that uses both an internal combustion engine and a motor as a power source.
  • the vehicle control system 1 includes a vehicle control device 10, an internal combustion engine 2, a motor generator 3, a vehicle speed sensor 6, a throttle sensor 7, and an ignition device 8.
  • the vehicle control device 10 includes a control unit 4 and a storage unit 5.
  • the internal combustion engine 2 takes in a mixture of fuel and air injected from the fuel injector into the combustion chamber, for example, by moving a piston to generate a negative pressure in the combustion chamber.
  • the internal combustion engine 2 compresses the air-fuel mixture taken into the combustion chamber with a piston, thereby raising the temperature of the air-fuel mixture so that the air-fuel mixture is easily combusted.
  • the control unit 4 transmits a control signal A instructing ignition of the air-fuel mixture to the ignition device 8 at a predetermined timing corresponding to the compression of the air-fuel mixture.
  • the ignition device 8 causes a current to flow through the primary coil of an ignition coil including a primary coil and a secondary coil, for example.
  • a high voltage is generated in the secondary coil in response to the current flowing in the primary coil, and the generated high voltage is applied to the plug gap of the spark plug connected to the combustion chamber of the internal combustion engine 2.
  • the rotation speed of the crankshaft that is, the rotation speed of the internal combustion engine 2 is basically higher as the amount of air-fuel mixture taken into the combustion chamber is larger.
  • the amount of the air-fuel mixture taken into the combustion chamber is adjusted by a slot provided in an air-fuel mixture introduction pipe (also called an intake manifold) connected to the intake port of the internal combustion engine 2.
  • the throttle adjusts the amount of air-fuel mixture taken into the combustion chamber by adjusting the cross-sectional area of the inlet pipe (also called the throttle opening).
  • the throttle opening can be adjusted by operating the accelerator grip.
  • the motor generator 3 is connected to the internal combustion engine 2.
  • the motor generator 3 is directly connected to the internal combustion engine 2 so that the rotation shaft thereof is positioned coaxially with the crankshaft of the internal combustion engine 2.
  • the motor generator 3 may be connected to the internal combustion engine 2 via an indirect mechanism such as a gear box.
  • the motor generator 3 is connected to a secondary battery such as a lithium ion battery, for example.
  • a starter relay that is turned on when the starter switch is pressed is connected between the motor generator 3 and the secondary battery.
  • an ignition switch that is a main switch of the vehicle is connected between the starter switch and the secondary battery.
  • the ignition switch connects or disconnects the starter switch and the secondary battery by an on / off operation by a key operation, for example.
  • the motor generator 3 has a function as a generator that generates electric power by rotating in synchronization with the rotation of the internal combustion engine 2 and accumulates the generated electric power in a secondary battery.
  • the motor generator 3 also functions as an electric motor that drives the internal combustion engine 2 by rotating with the electric power stored in the secondary battery and transmitting torque generated by the rotation to the internal combustion engine 2 connected to the motor generator 3. Have.
  • the starter relay when the ignition switch is turned on and the starter relay is turned on by depressing the starter switch from the stop state of the internal combustion engine 2 in the off state of the ignition switch, power is supplied from the secondary battery to the motor generator 3. .
  • the motor generator 3 By supplying electric power, the motor generator 3 as an electric motor rotates, and torque due to the rotation is applied to the internal combustion engine 2.
  • the air-fuel mixture can be taken into the combustion chamber by moving the piston of the internal combustion engine 2. Then, the internal combustion engine 2 can be started by burning the air-fuel mixture taken into the combustion chamber by ignition with a spark plug.
  • the ignition switch is on when the internal combustion engine 2 is stopped due to an idling stop state, which will be described later. Since the ignition switch is on, the motor generator 3 can be rotated by turning on the starter switch without requiring the ignition switch to be turned on.
  • the internal combustion engine 2 can be started by burning the air-fuel mixture taken into the combustion chamber by ignition with a spark plug.
  • Such driving of the internal combustion engine 2 using the torque of the motor generator 3 is also called cell start.
  • the internal combustion engine 2 can be driven with high efficiency and low noise.
  • the control unit 4 is included in an ECU (Engine Control Unit) that brakes the vehicle by electronic control.
  • the vehicle control device 10 including the control unit 4 and the storage unit 5 is an ECU or a part thereof.
  • the control unit 4 performs various electronic controls necessary for driving the internal combustion engine 2, for example, control of ignition of the air-fuel mixture by transmitting the control signal A to the ignition device 8 described above, and a command for fuel injection to the fuel injector.
  • the internal combustion engine 2 is driven by executing fuel injection control by signal transmission, throttle opening control in accordance with throttle operation, and the like.
  • control unit 4 detects that the starter switch is turned on and the throttle is opened when the internal combustion engine 2 is started using the torque of the motor generator 3 described above, that is, when the cell is started. Then, the internal combustion engine 2 is started by controlling the ignition of the air-fuel mixture and the control of fuel injection as described above.
  • control unit 4 is configured to perform idling stop control for temporarily stopping the internal combustion engine 2. For example, the control unit 4 performs idling stop control by not transmitting the control signal A to the ignition device 8.
  • control unit 4 executes the first idling stop control after the start of the internal combustion engine 2 with the ignition switch being turned on and the second and subsequent idling stop controls when different execution conditions are satisfied.
  • start-up of the internal combustion engine 2 accompanied by the ON operation of the ignition switch is simply referred to as “start-up of the internal combustion engine 2”.
  • the control unit 4 has not yet performed idling stop control after the internal combustion engine 2 is started when a closed throttle operation for reducing the throttle opening to a reference opening or less is performed.
  • the idling stop control is executed when the vehicle speed of the vehicle is equal to or higher than the first determination speed. That is, the control unit 4 executes the initial idling stop control on the condition that the vehicle speed is equal to or higher than the first determination speed.
  • the idling stop control is executed again when the vehicle speed is equal to or higher than the second determination speed higher than the first determination speed. That is, the control unit 4 executes the idling stop control for the second and subsequent times on the condition that the vehicle speed is equal to or higher than the second determination speed.
  • control unit 4 determines the second determination speed for determining whether or not the idling stop control for the second and subsequent times can be executed from the first determination speed for determining whether or not the first idling stop control can be executed. Even higher speed.
  • the control unit 4 executes the idling stop control when the vehicle speed is equal to or higher than the first determination speed for the first determination time or longer. Also good. That is, the control unit 4 may execute the initial idling stop control on the condition that the vehicle speed is equal to or higher than the first determination speed for the first determination time or longer. Whether the duration is longer than the first determination time may be determined based on a timekeeping function of the control unit 4 such as a timer.
  • the idling stop control may be executed again. That is, the control unit 4 may execute the idling stop control for the second and subsequent times on the condition that the state where the vehicle speed is equal to or higher than the second determination speed continues for the second determination time or longer.
  • the second determination time for determining whether or not to execute the idling stop control for the second and subsequent times is longer than the first determination time for determining whether or not to execute the first idling stop control.
  • control unit 4 detects whether the idling stop control state is the IS non-executed state or the IS executed state based on the flag B indicating whether or not the idling stop control has been executed.
  • the flag B is stored in the storage unit 6 connected to the control unit 4.
  • the control unit 4 reads the value of the flag B from the storage unit 5 and detects whether the state is the IS unexecuted state or the IS executed state based on the read value of the flag B.
  • control unit 4 can set the value of the flag B in the storage unit 5 by the writing process to the storage unit 5. For example, the control unit 4 sets the value of the flag B when the ignition switch for turning on the internal combustion engine 2 is turned on, or when the ignition switch for turning off the internal combustion engine 2 is turned off. May be set to a value indicating an IS non-execution state (that is, reset). Further, the control unit 4 may set the value of the flag B to a value indicating the IS executed state when the idling stop control is executed.
  • control unit 4 can easily and quickly determine whether the state is the IS unexecuted state or the IS executed state.
  • a vehicle speed sensor 6 for detecting the vehicle speed is connected to the control unit 4.
  • the vehicle speed sensor 6 outputs, for example, a pulsed vehicle speed signal C for detecting the vehicle speed, that is, a vehicle speed pulse, to the control unit 4.
  • the control unit 4 calculates (that is, detects) the vehicle speed based on the vehicle speed signal C from the vehicle speed sensor 6. And the control part 4 detects that a vehicle speed is more than a 1st determination speed or a 2nd determination speed based on the calculated vehicle speed.
  • the control unit 4 is connected with a throttle sensor 7 for detecting the throttle opening.
  • the throttle sensor 7 outputs a throttle signal D for detecting the throttle opening to the control unit 4.
  • the throttle sensor 7 may be, for example, an accelerator position sensor that outputs an electric signal (that is, a throttle signal D) corresponding to the movement of the accelerator grip to the ECU.
  • the control unit 4 calculates the throttle opening based on the throttle signal D from the throttle sensor 7. And the control part 4 detects that open throttle operation or closed throttle operation was performed based on the calculated throttle opening.
  • FIG. 2 is a flowchart showing an operation example of the vehicle control system 1 according to the present embodiment. It is assumed that the internal combustion engine 2 is started in the initial state of FIG.
  • control unit 4 determines the presence / absence of a closed throttle operation based on the throttle opening calculated according to the throttle signal D from the throttle sensor 7 (step S1).
  • step S1 When the closing throttle operation is performed (step S1: Yes), the control unit 4 determines whether or not the idling stop control has been executed after the internal combustion engine 2 is started based on the flag B stored in the storage unit 5. That is, it is determined whether the state is the IS unexecuted state or the IS performed state (step S2).
  • step S2 When the IS is not executed (step S2: No), the control unit 4 is based on the vehicle speed calculated according to the vehicle speed signal C transmitted from the vehicle speed sensor 6 and the time measuring function of the control unit 4 such as a timer. Thus, it is determined whether or not the vehicle speed is equal to or higher than the first determination speed Vj1 and the duration of the vehicle speed equal to or higher than the first determination speed Vj1 is equal to or longer than the first determination time Tj1 (step S3).
  • step S3: Yes When the vehicle speed is equal to or higher than the first determination speed Vj1 and the duration is equal to or longer than the first determination time Tj1 (step S3: Yes), the control unit 4 executes the first idling stop control (step S5). In this case, the control unit 4 sets, that is, changes the value of the flag B in the storage unit 5 to a value indicating the IS execution completion state.
  • step S3: No when the vehicle speed is equal to or higher than the first determination speed Vj1 and the duration is not equal to or longer than the first determination time Tj1 (step S3: No), the control unit 4 determines that the vehicle speed is equal to or higher than the first determination speed Vj1 and the duration is first. The determination of whether or not the determination time is Tj1 or longer is repeated (step S3).
  • step S2 when the IS is already executed (step S2: Yes), the control unit 4 continues the vehicle speed duration time of the second determination speed Vj2 or higher, which is higher than the first determination speed Vj1, and the second determination speed Vj2 or higher. It is determined whether it is the second determination time Tj2 or more (step S4).
  • the second determination time Tj2 is longer than the first determination time Tj1. The determination in this step is performed based on the vehicle speed calculated according to the vehicle speed signal C from the vehicle speed sensor 6 and the time measuring function of the control unit 4 such as a timer, as in step S3.
  • step S4: Yes When the vehicle speed is equal to or higher than the second determination speed Vj2 and the duration is equal to or longer than the second determination time Tj2 (step S4: Yes), the control unit 4 executes the idling stop control for the second time and thereafter (step S5). On the other hand, when the vehicle speed is equal to or higher than the second determination speed Vj2 and the duration is not equal to or longer than the second determination time Tj2 (step S4: No), the control unit 4 determines that the vehicle speed is equal to or higher than the second determination speed Vj2 The determination of whether or not Tj2 or more is repeated (step S4).
  • the second determination speed for determining whether or not the second idling stop control can be executed is the second determination speed for determining whether or not the first idling stop control can be executed.
  • the speed is higher than 1 judgment speed.
  • a delay time can be set before the start of execution of the second and subsequent idling stops, so even if the time required for the first idling stop is longer than the time required for the second and subsequent idling stops. The difference in waiting time between the first execution and the second and subsequent executions can be suppressed.
  • the motor generator 3 connected to the internal combustion engine 2 is rotated by rotating the internal combustion engine 2 in order to execute the idling stop control after the vehicle speed has increased to the first determination speed or the second determination speed. Can sufficiently generate power.
  • the cell start can be more reliably performed using the electric power sufficiently accumulated in the secondary battery by the power generation of the motor generator 3. Can be done.
  • the present invention can also be applied to suppress a difference in waiting time between the first execution of idling stop and the second and subsequent executions. .

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
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Abstract

This vehicle control apparatus has a control unit that executes idling stop control for temporarily stopping an internal combustion engine. The control unit executes the idling stop control when the speed of a vehicle is equal to or higher than a first determination speed (Vj1) in a first case where the idling stop control is yet to be executed after the start of the internal combustion engine when a throttle-closing operation of reducing a throttle opening to a reference opening or lower is carried out. The control unit executes the idling stop control again when the vehicle speed is equal to or higher than a second determination speed (Vj2) higher than the first determination speed (Vj1) in a second case where the idling stop control has been executed after the start of the internal combustion engine when the throttle-closing operation is carried out.

Description

車両制御装置、車両制御システムおよび車両制御装置の制御方法VEHICLE CONTROL DEVICE, VEHICLE CONTROL SYSTEM, AND CONTROL METHOD FOR VEHICLE CONTROL DEVICE
　本発明は、車両制御装置、車両制御システムおよび車両制御装置の制御方法に関する。 The present invention relates to a vehicle control device, a vehicle control system, and a control method for the vehicle control device.
　従来から、車両には、燃料の消費を抑制するため、信号待ちなどによる停車時において自動的に内燃機関を停止させるアイドリングストップ機能が備えられている（特許文献１参照）。 Conventionally, a vehicle has been provided with an idling stop function that automatically stops an internal combustion engine when the vehicle stops due to a signal or the like in order to suppress fuel consumption (see Patent Document 1).
特開２０１５‐９８９９１号公報JP2015-98991A
　しかしながら、内燃機関の起動後に初回のアイドリングストップを実行する場合と、２回目以降のアイドリングストップを実行する場合とでは、アイドリングストップの処理時間すなわち所要時間が異なっていたため、スロットルを閉じてからアイドリングストップが開始されるまでの待ち時間に差があった。 However, when the first idling stop is executed after the internal combustion engine is started, the idling stop processing time, that is, the required time is different between the second and subsequent idling stops. Therefore, the idling stop is performed after the throttle is closed. There was a difference in the waiting time before starting.
　具体的には、初回のアイドリングストップの待ち時間は長いのに対して、２回目以降のアイドリングストップの待ち時間は比較的短かった。このように、アイドリングストップの開始までの待ち時間に差があったため、運転者に違和感を与える虞があるといった問題があった。 Specifically, while the waiting time for the first idling stop is long, the waiting time for the second and subsequent idling stops was relatively short. As described above, since there is a difference in the waiting time until the start of the idling stop, there is a problem that the driver may feel uncomfortable.
　そこで、本発明は、アイドリングストップの初回実行時と２回目以降の実行時との間での待ち時間の差を抑制することで、運転者の違和感を抑制することが可能な車両制御装置、車両制御システムおよび車両制御装置の制御方法を提供することを目的とする。 Therefore, the present invention relates to a vehicle control device and a vehicle capable of suppressing a driver's uncomfortable feeling by suppressing a difference in waiting time between the first execution of idling stop and the second and subsequent executions. It is an object of the present invention to provide a control system and a control method for a vehicle control device.
　本発明の一態様に係る車両制御装置は、
　車両の内燃機関を一時的に停止させるアイドリングストップ制御を実行する制御部を有する車両制御装置であって、
　前記制御部は、
　スロットルの開度を基準開度以下に減少させる閉スロットル操作が行われた際に、前記内燃機関が起動してから前記アイドリングストップ制御が未だ実行されていない第１の場合には、前記車両の車速が第１判定速度以上であるときに、前記アイドリングストップ制御を実行し、
　前記閉スロットル操作が行われた際に、前記内燃機関が起動してから既に前記アイドリングストップ制御が実行済みである第２の場合には、前記車速が前記第１判定速度より高い第２判定速度以上であるときに、前記アイドリングストップ制御を再度実行する。 A vehicle control device according to an aspect of the present invention includes:
A vehicle control device having a control unit that executes idling stop control for temporarily stopping an internal combustion engine of a vehicle,
The controller is
In a first case where the idling stop control is not yet executed after the internal combustion engine is started when a closed throttle operation for reducing the throttle opening to a reference opening or less is performed, When the vehicle speed is equal to or higher than the first determination speed, the idling stop control is executed,
In the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the second determination speed is higher than the first determination speed. When this is the case, the idling stop control is executed again.
　前記車両制御装置において、
　前記制御部は、
　前記第１の場合には、前記車速が前記第１判定速度以上の状態が第１判定時間以上継続しているときに、前記アイドリングストップ制御を実行し、
　前記第２の場合には、前記車速が前記第２判定速度以上の状態が前記第１判定時間よりも長い第２判定時間以上継続しているときに、前記アイドリングストップ制御を再度実行してもよい。 In the vehicle control device,
The controller is
In the first case, when the state where the vehicle speed is equal to or higher than the first determination speed continues for the first determination time or longer, the idling stop control is executed,
In the second case, even when the idling stop control is executed again when the vehicle speed is equal to or higher than the second determination speed for a second determination time longer than the first determination time. Good.
　前記車両制御装置において、
　前記制御部は、
　前記アイドリングストップ制御を実行したか否かを示すフラグに基づいて、前記第１の場合または前記第２の場合を検知してもよい。 In the vehicle control device,
The controller is
The first case or the second case may be detected based on a flag indicating whether or not the idling stop control has been executed.
　前記車両制御装置において、
　前記制御部は、
　前記内燃機関の点火プラグを点火させる点火装置に対して点火を指示する制御信号を送信しないことで、前記アイドリングストップ制御を実行してもよい。 In the vehicle control device,
The controller is
The idling stop control may be executed by not transmitting a control signal instructing ignition to an ignition device that ignites the ignition plug of the internal combustion engine.
　前記車両制御装置において、
　前記内燃機関の回転速度は、前記スロットルの開度の減少に応じて低下してもよい。 In the vehicle control device,
The rotational speed of the internal combustion engine may decrease with a decrease in the throttle opening.
　本発明の一態様に係る車両制御システムは、
　車両の内燃機関と、
　前記内燃機関を一時的に停止させるアイドリングストップ制御を実行する制御部を有する車両制御装置と、を備える車両制御システムであって、
　前記制御部は、
　スロットルの開度を基準開度以下に減少させる閉スロットル操作が行われた際に、前記内燃機関が起動してから前記アイドリングストップ制御が未だ実行されていない第１の場合には、前記車両の車速が第１判定速度以上であるときに、前記アイドリングストップ制御を実行し、
　前記閉スロットル操作が行われた際に、前記内燃機関が起動してから既に前記アイドリングストップ制御が実行済みである第２の場合には、前記車速が前記第１判定速度より高い第２判定速度以上であるときに、前記アイドリングストップ制御を再度実行する。 A vehicle control system according to an aspect of the present invention includes:
An internal combustion engine of the vehicle;
A vehicle control system having a control unit that executes idling stop control for temporarily stopping the internal combustion engine,
The controller is
In a first case where the idling stop control is not yet executed after the internal combustion engine is started when a closed throttle operation for reducing the throttle opening to a reference opening or less is performed, When the vehicle speed is equal to or higher than the first determination speed, the idling stop control is executed,
In the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the second determination speed is higher than the first determination speed. When this is the case, the idling stop control is executed again.
　前記車両制御システムにおいて、
　前記車速を検出する車速センサを更に備え、
　前記制御部は、前記検出された車速に基づいて、前記車速が前記第１判定速度以上または前記第２判定速度以上であることを検知してもよい。 In the vehicle control system,
A vehicle speed sensor for detecting the vehicle speed;
The control unit may detect that the vehicle speed is equal to or higher than the first determination speed or equal to or higher than the second determination speed based on the detected vehicle speed.
　前記車両制御システムにおいて、
　前記スロットルの開度を検出するスロットルセンサを更に備え、
　前記制御部は、前記検出されたスロットルの開度に基づいて、前記閉スロットル操作が行われたことを検知してもよい。 In the vehicle control system,
A throttle sensor for detecting the opening of the throttle;
The controller may detect that the closed throttle operation has been performed based on the detected throttle opening.
　本発明の一態様に係る車両制御装置の制御方法は、
　車両の内燃機関を一時的に停止させるアイドリングストップ制御を実行する車両制御装置の制御方法であって、
　スロットルの開度を基準開度以下に減少させる閉スロットル操作が行われた際に、前記内燃機関が起動してから前記内燃機関を一時的に停止させるアイドリングストップ制御が未だ実行されていない第１の場合には、前記車両の車速が第１判定速度以上であるときに、前記アイドリングストップ制御を実行し、
　前記閉スロットル操作が行われた際に、前記内燃機関が起動してから既に前記アイドリングストップ制御が実行済みである第２の場合には、前記車速が前記第１判定速度より高い第２判定速度以上であるときに、前記アイドリングストップ制御を再度実行する。 A control method for a vehicle control device according to an aspect of the present invention includes:
A control method for a vehicle control device for executing idling stop control for temporarily stopping an internal combustion engine of a vehicle,
The idling stop control for temporarily stopping the internal combustion engine after the start of the internal combustion engine when the closed throttle operation for reducing the throttle opening to a reference opening or less is performed has not yet been executed. In this case, when the vehicle speed of the vehicle is equal to or higher than the first determination speed, the idling stop control is executed,
In the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the second determination speed is higher than the first determination speed. When this is the case, the idling stop control is executed again.
　本発明に係る車両制御装置は、車両の内燃機関を一時的に停止させるアイドリングストップ制御を実行する制御部を有する。そして、制御部は、スロットルの開度を基準開度以下に減少させる閉スロットル操作が行われた際に、内燃機関が起動してからアイドリングストップ制御が未だ実行されていない第１の場合には、車両の車速が第１判定速度以上であるときに、アイドリングストップ制御を実行する。一方、制御部は、閉スロットル操作が行われた際に、内燃機関が起動してから既にアイドリングストップ制御が実行済みである第２の場合には、車速が第１判定速度より高い第２判定速度以上であるときに、アイドリングストップ制御を再度実行する。
　このように、本発明によれば、アイドリングストップ制御の初回実行時の判定速度よりも２回目以降の実行時の判定速度を高くすることで、アイドリングストップ制御の初回実行時と２回目以降の実行時との間での待ち時間の差を抑制して、運転者の違和感を抑制することができる。 The vehicle control device according to the present invention includes a control unit that executes idling stop control for temporarily stopping the internal combustion engine of the vehicle. In the first case where the idling stop control is not yet executed after the internal combustion engine is started when the closed throttle operation for reducing the throttle opening to the reference opening or less is performed. The idling stop control is executed when the vehicle speed is equal to or higher than the first determination speed. On the other hand, in the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the control unit performs the second determination in which the vehicle speed is higher than the first determination speed. When it is above the speed, the idling stop control is executed again.
As described above, according to the present invention, by making the determination speed at the second and subsequent executions higher than the determination speed at the first execution of the idling stop control, the first execution and the second and subsequent executions of the idling stop control are performed. The difference in waiting time between the times can be suppressed, and the driver's uncomfortable feeling can be suppressed.
本実施形態に係る車両制御システムを示すブロック図である。It is a block diagram which shows the vehicle control system which concerns on this embodiment. 本実施形態に係る車両制御システムの動作例を示すフローチャートである。It is a flowchart which shows the operation example of the vehicle control system which concerns on this embodiment.
　以下、図面を参照して本発明に係る実施形態を説明する。本実施形態は、本発明を限定するものではない。 Embodiments according to the present invention will be described below with reference to the drawings. This embodiment does not limit the present invention.
　図１に示される本実施形態の車両制御システム１は、例えば、自動二輪車などの車両に搭載され、当該車両の内燃機関を制御するためのシステムである。自動二輪車は、動力源として内燃機関とモータを併用するハイブリッド二輪車であってもよい。 A vehicle control system 1 according to this embodiment shown in FIG. 1 is a system that is mounted on a vehicle such as a motorcycle and controls an internal combustion engine of the vehicle. The motorcycle may be a hybrid motorcycle that uses both an internal combustion engine and a motor as a power source.
　図１に示すように、車両制御システム１は、車両制御装置１０と、内燃機関２と、モータジェネレータ３と、車速センサ６と、スロットルセンサ７と、点火装置８とを備える。車両制御装置１０は、制御部４と、記憶部５とを備える。 As shown in FIG. 1, the vehicle control system 1 includes a vehicle control device 10, an internal combustion engine 2, a motor generator 3, a vehicle speed sensor 6, a throttle sensor 7, and an ignition device 8. The vehicle control device 10 includes a control unit 4 and a storage unit 5.
（内燃機関２）
　内燃機関２について詳しく説明する。内燃機関２は、例えば、ピストンを移動させて燃焼室内に負圧を発生させることで、燃料噴射機から噴射された燃料と空気との混合気を燃焼室内に取り込む。そして、内燃機関２は、燃焼室に取り込まれた混合気をピストンで圧縮することで、混合気が燃焼しやすいように混合気の温度を上昇させる。 (Internal combustion engine 2)
The internal combustion engine 2 will be described in detail. The internal combustion engine 2 takes in a mixture of fuel and air injected from the fuel injector into the combustion chamber, for example, by moving a piston to generate a negative pressure in the combustion chamber. The internal combustion engine 2 compresses the air-fuel mixture taken into the combustion chamber with a piston, thereby raising the temperature of the air-fuel mixture so that the air-fuel mixture is easily combusted.
　制御部４は、混合気の圧縮に応じた所定のタイミングで、混合気への点火を指示する制御信号Ａを点火装置８に送信する。点火装置８は、制御部４からの制御信号Ａの送信に応じて、例えば、１次コイルと２次コイルとを備えたイグニッションコイルの１次コイルに電流を流す。１次コイルに流れる電流に応じて、２次コイルに高電圧が発生し、発生した高電圧は、内燃機関２の燃焼室に接続された点火プラグのプラグギャップに印加される。 The control unit 4 transmits a control signal A instructing ignition of the air-fuel mixture to the ignition device 8 at a predetermined timing corresponding to the compression of the air-fuel mixture. In response to the transmission of the control signal A from the control unit 4, the ignition device 8 causes a current to flow through the primary coil of an ignition coil including a primary coil and a secondary coil, for example. A high voltage is generated in the secondary coil in response to the current flowing in the primary coil, and the generated high voltage is applied to the plug gap of the spark plug connected to the combustion chamber of the internal combustion engine 2.
　そして、プラグギャップに印加された高電圧によりプラグギャップ間の放電が発生することで、燃焼室内で圧縮された混合気が点火されて燃焼する。混合気の燃焼により、混合気が膨張してピストンが押し下げられる。ピストンが押し下げられることで、ピストンに連結されたクランクシャフトが回転して、車輪９を回転させる動力を発生させる。 And, when a high voltage applied to the plug gap generates a discharge between the plug gaps, the air-fuel mixture compressed in the combustion chamber is ignited and burned. Due to the combustion of the air-fuel mixture, the air-fuel mixture expands and the piston is pushed down. When the piston is pushed down, the crankshaft connected to the piston rotates to generate power for rotating the wheel 9.
　クランクシャフトの回転速度すなわち内燃機関２の回転速度は、基本的に、燃焼室に取り込まれる混合気の量が多いほど高い。燃焼室に取り込まれる混合気の量は、内燃機関２の吸気口に接続された混合気の導入管（インテークマニホールドとも呼ばれる）に設けられたスロットで調整される。 The rotation speed of the crankshaft, that is, the rotation speed of the internal combustion engine 2 is basically higher as the amount of air-fuel mixture taken into the combustion chamber is larger. The amount of the air-fuel mixture taken into the combustion chamber is adjusted by a slot provided in an air-fuel mixture introduction pipe (also called an intake manifold) connected to the intake port of the internal combustion engine 2.
　スロットルは、導入管の流路断面積（スロットル開度とも呼ばれる）を調整することで、燃焼室に取り込まれる混合気の量を調整する。自動二輪車の場合、スロットル開度は、アクセルグリップの操作で調整できる。 The throttle adjusts the amount of air-fuel mixture taken into the combustion chamber by adjusting the cross-sectional area of the inlet pipe (also called the throttle opening). In the case of a motorcycle, the throttle opening can be adjusted by operating the accelerator grip.
　スロットル開度が大きいほど、混合気の量は多くなる。したがって、内燃機関２の回転速度は、スロットル開度の増加に応じて上昇し、また、スロットル開度の減少に応じて低下する。 ¡The larger the throttle opening, the greater the amount of air-fuel mixture. Therefore, the rotational speed of the internal combustion engine 2 increases as the throttle opening increases, and decreases as the throttle opening decreases.
（モータジェネレータ３）
　次に、モータジェネレータ３について詳しく説明する。モータジェネレータ３は、内燃機関２に接続されている。例えば、モータジェネレータ３は、その回転軸が内燃機関２のクランクシャフトと同軸上に位置するように内燃機関２に直結されている。なお、モータジェネレータ３は、ギアボックスなどの間接的機構を介して内燃機関２に接続されていてもよい。 (Motor generator 3)
Next, the motor generator 3 will be described in detail. The motor generator 3 is connected to the internal combustion engine 2. For example, the motor generator 3 is directly connected to the internal combustion engine 2 so that the rotation shaft thereof is positioned coaxially with the crankshaft of the internal combustion engine 2. The motor generator 3 may be connected to the internal combustion engine 2 via an indirect mechanism such as a gear box.
　また、モータジェネレータ３は、例えば、リチウムイオン電池などの二次電池に接続されている。モータジェネレータ３と二次電池との間には、スタータスイッチの押下に応じてオンするスタータリレーが接続されている。 The motor generator 3 is connected to a secondary battery such as a lithium ion battery, for example. A starter relay that is turned on when the starter switch is pressed is connected between the motor generator 3 and the secondary battery.
　また、スタータスイッチと二次電池との間には、車両のメインスイッチであるイグニッションスイッチが接続されている。イグニッションスイッチは、例えばキー操作によるオンオフ動作によってスタータスイッチと二次電池とを接続または切断する。 Also, an ignition switch that is a main switch of the vehicle is connected between the starter switch and the secondary battery. The ignition switch connects or disconnects the starter switch and the secondary battery by an on / off operation by a key operation, for example.
　モータジェネレータ３は、内燃機関２の回転に同期して回転することにより電力を発生させ、発生させた電力を二次電池に蓄積させる発電機としての機能を有する。 The motor generator 3 has a function as a generator that generates electric power by rotating in synchronization with the rotation of the internal combustion engine 2 and accumulates the generated electric power in a secondary battery.
　また、モータジェネレータ３は、二次電池に蓄積された電力で回転し、その回転によるトルクをモータジェネレータ３に接続された内燃機関２に伝達させることで内燃機関２を駆動する電動機としての機能も有する。 The motor generator 3 also functions as an electric motor that drives the internal combustion engine 2 by rotating with the electric power stored in the secondary battery and transmitting torque generated by the rotation to the internal combustion engine 2 connected to the motor generator 3. Have.
　例えば、イグニッションスイッチのオフ状態における内燃機関２の停止状態から、イグニッションスイッチをオンし、かつ、スタータスイッチを押下げてスタータリレーをオンした場合、二次電池からモータジェネレータ３に電力が供給される。電力が供給されることで、電動機としてのモータジェネレータ３が回転し、回転によるトルクが内燃機関２に付与される。 For example, when the ignition switch is turned on and the starter relay is turned on by depressing the starter switch from the stop state of the internal combustion engine 2 in the off state of the ignition switch, power is supplied from the secondary battery to the motor generator 3. . By supplying electric power, the motor generator 3 as an electric motor rotates, and torque due to the rotation is applied to the internal combustion engine 2.
　これにより、内燃機関２のピストンを移動させて燃焼室内に混合気を取り込むことができる。そして、燃焼室内に取り込まれた混合気を点火プラグによる点火によって燃焼させることで、内燃機関２を起動させることができる。 Thereby, the air-fuel mixture can be taken into the combustion chamber by moving the piston of the internal combustion engine 2. Then, the internal combustion engine 2 can be started by burning the air-fuel mixture taken into the combustion chamber by ignition with a spark plug.
　なお、後述するアイドリングストップ状態による内燃機関２の停止状態では、イグニッションスイッチはオンしている。イグニッションスイッチがオンしているので、スタータスイッチをオンすることで、イグニッションスイッチのオン操作を要することなくモータジェネレータ３を回転させることができる。そして、燃焼室内に取り込まれた混合気を点火プラグによる点火によって燃焼させることで、内燃機関２を始動させることができる。 It should be noted that the ignition switch is on when the internal combustion engine 2 is stopped due to an idling stop state, which will be described later. Since the ignition switch is on, the motor generator 3 can be rotated by turning on the starter switch without requiring the ignition switch to be turned on. The internal combustion engine 2 can be started by burning the air-fuel mixture taken into the combustion chamber by ignition with a spark plug.
　このようなモータジェネレータ３のトルクを用いた内燃機関２の駆動は、セルスタートとも呼ばれる。なお、既述したように、モータジェネレータ３を内燃機関２に直結することにより、内燃機関２を高効率かつ低騒音で駆動できる。 Such driving of the internal combustion engine 2 using the torque of the motor generator 3 is also called cell start. As described above, by directly connecting the motor generator 3 to the internal combustion engine 2, the internal combustion engine 2 can be driven with high efficiency and low noise.
（制御部４）
　次に、制御部４について詳しく説明する。制御部４は、電子制御によって車両を制動するＥＣＵ(Engine Control Unit)に含まれている。制御部４と記憶部５とを備える車両制御装置１０は、ＥＣＵまたはその一部である。制御部４は、内燃機関２の駆動に必要な各種の電子制御、例えば、既述した点火装置８への制御信号Ａの送信による混合気の点火の制御、燃料噴射機への燃料噴射の指令信号の送信による燃料の噴射の制御、スロットル操作に応じたスロットル開度の制御などを実行することで内燃機関２を駆動する。 (Control unit 4)
Next, the control unit 4 will be described in detail. The control unit 4 is included in an ECU (Engine Control Unit) that brakes the vehicle by electronic control. The vehicle control device 10 including the control unit 4 and the storage unit 5 is an ECU or a part thereof. The control unit 4 performs various electronic controls necessary for driving the internal combustion engine 2, for example, control of ignition of the air-fuel mixture by transmitting the control signal A to the ignition device 8 described above, and a command for fuel injection to the fuel injector. The internal combustion engine 2 is driven by executing fuel injection control by signal transmission, throttle opening control in accordance with throttle operation, and the like.
　また、制御部４は、既述したモータジェネレータ３のトルクを用いた内燃機関２の始動すなわちセルスタートの際には、スタータスイッチがオンされ、かつ、スロットルが開かれたことを検知したうえで、既述した混合気の点火の制御や燃料の噴射の制御などを行って内燃機関２を始動させる。 Further, the control unit 4 detects that the starter switch is turned on and the throttle is opened when the internal combustion engine 2 is started using the torque of the motor generator 3 described above, that is, when the cell is started. Then, the internal combustion engine 2 is started by controlling the ignition of the air-fuel mixture and the control of fuel injection as described above.
　また、制御部４は、内燃機関２を一時的に停止させるアイドリングストップ制御を実行するように構成されている。例えば、制御部４は、点火装置８に制御信号Ａを送信しないことでアイドリングストップ制御を実行する。 Further, the control unit 4 is configured to perform idling stop control for temporarily stopping the internal combustion engine 2. For example, the control unit 4 performs idling stop control by not transmitting the control signal A to the ignition device 8.
　ここで、制御部４は、イグニッションスイッチのオン操作をともなう内燃機関２の起動後の初回のアイドリングストップ制御と２回目以降のアイドリングストップ制御とを、互いに異なる実行条件が成立したときに実行する。以下、イグニッションスイッチのオン操作をともなう内燃機関２の起動のことを、単に「内燃機関２の起動」と呼ぶ。 Here, the control unit 4 executes the first idling stop control after the start of the internal combustion engine 2 with the ignition switch being turned on and the second and subsequent idling stop controls when different execution conditions are satisfied. Hereinafter, the start-up of the internal combustion engine 2 accompanied by the ON operation of the ignition switch is simply referred to as “start-up of the internal combustion engine 2”.
　具体的には、制御部４は、スロットルの開度を基準開度以下に減少させる閉スロットル操作が行われた際に、内燃機関２が起動してからアイドリングストップ制御が未だ実行されていない第１の場合（以下、「ＩＳ未実行状態」ともいう。）には、車両の車速が第１判定速度以上であるときに、アイドリングストップ制御を実行する。すなわち、制御部４は、車速が第１判定速度以上であることを実行条件として、初回のアイドリングストップ制御を実行する。 Specifically, the control unit 4 has not yet performed idling stop control after the internal combustion engine 2 is started when a closed throttle operation for reducing the throttle opening to a reference opening or less is performed. In the case of 1 (hereinafter also referred to as “IS non-execution state”), the idling stop control is executed when the vehicle speed of the vehicle is equal to or higher than the first determination speed. That is, the control unit 4 executes the initial idling stop control on the condition that the vehicle speed is equal to or higher than the first determination speed.
　一方、制御部４は、閉スロットル操作が行われた際に、内燃機関２が起動してから既にアイドリングストップ制御が実行済みである第２の場合（以下、「ＩＳ実行済み状態」ともいう。）には、車速が第１判定速度より高い第２判定速度以上であるときに、アイドリングストップ制御を再度実行する。すなわち、制御部４は、車速が第２判定速度以上であることを実行条件として、２回目以降のアイドリングストップ制御を実行する。 On the other hand, in the second case where the idling stop control has already been executed after the internal combustion engine 2 is started when the closed throttle operation is performed (hereinafter also referred to as “IS executed state”). ), The idling stop control is executed again when the vehicle speed is equal to or higher than the second determination speed higher than the first determination speed. That is, the control unit 4 executes the idling stop control for the second and subsequent times on the condition that the vehicle speed is equal to or higher than the second determination speed.
　このように、制御部４は、２回目以降のアイドリングストップ制御の実行の可否を判定するための第２判定速度を、初回のアイドリングストップ制御の実行の可否を判定するための第１判定速度よりも高い速度にする。 As described above, the control unit 4 determines the second determination speed for determining whether or not the idling stop control for the second and subsequent times can be executed from the first determination speed for determining whether or not the first idling stop control can be executed. Even higher speed.
　これにより、２回目以降のアイドリングストップ制御の実行開始前に遅延時間を設けることができる。その結果、初回のアイドリングストップ制御の所要時間が２回目以降のアイドリングストップの所要時間より長い場合であっても、アイドリングストップの初回実行時と２回目以降の実行時との間での待ち時間の差を抑制することができる。 This makes it possible to set a delay time before the start of the second and subsequent idling stop control. As a result, even if the time required for the first idling stop control is longer than the time required for the second and subsequent idling stops, the waiting time between the first execution and the second and subsequent executions of the idling stop is reduced. The difference can be suppressed.
　なお、制御部４は、閉スロットル操作時にＩＳ未実行状態である場合には、車速が第１判定速度以上の状態が第１判定時間以上継続しているときに、アイドリングストップ制御を実行してもよい。すなわち、制御部４は、車速が第１判定速度以上の状態が第１判定時間以上継続していることを実行条件として、初回のアイドリングストップ制御を実行してもよい。第１判定時間以上継続していることについては、タイマなどの制御部４の計時機能に基づいて判断してもよい。 If the IS is not yet executed when the throttle is operated, the control unit 4 executes the idling stop control when the vehicle speed is equal to or higher than the first determination speed for the first determination time or longer. Also good. That is, the control unit 4 may execute the initial idling stop control on the condition that the vehicle speed is equal to or higher than the first determination speed for the first determination time or longer. Whether the duration is longer than the first determination time may be determined based on a timekeeping function of the control unit 4 such as a timer.
　また、制御部４は、閉スロットル操作時にＩＳ実行済み状態である場合には、車速が第２判定速度以上の状態が第１判定時間よりも長い第２判定時間以上継続しているときに、アイドリングストップ制御を再度実行してもよい。すなわち、制御部４は、車速が第２判定速度以上の状態が第２判定時間以上継続していることを実行条件として、２回目以降のアイドリングストップ制御を実行してもよい。 In addition, when the control unit 4 is in the state where the IS has been executed at the time of the closed throttle operation, when the state where the vehicle speed is equal to or higher than the second determination speed continues for the second determination time longer than the first determination time, The idling stop control may be executed again. That is, the control unit 4 may execute the idling stop control for the second and subsequent times on the condition that the state where the vehicle speed is equal to or higher than the second determination speed continues for the second determination time or longer.
　このように、２回目以降のアイドリングストップ制御の実行の可否を判定するための第２判定時間を、初回のアイドリングストップ制御の実行の可否を判定するための第１判定時間よりも長い時間にすることにより、初回のアイドリングストップの所要時間が２回目以降のアイドリングストップの所要時間より長い場合であっても、アイドリングストップの初回実行時と２回目以降の実行時との間での待ち時間の差を効果的に抑制することができる。 As described above, the second determination time for determining whether or not to execute the idling stop control for the second and subsequent times is longer than the first determination time for determining whether or not to execute the first idling stop control. Thus, even if the time required for the first idling stop is longer than the time required for the second and subsequent idling stops, the difference in waiting time between the first execution of the idling stop and the second and subsequent executions Can be effectively suppressed.
　また、制御部４は、アイドリングストップ制御を実行したか否かを示すフラグＢに基づいて、アイドリングストップ制御の状態がＩＳ未実行状態およびＩＳ実行済み状態のいずれであるかを検知する。 Further, the control unit 4 detects whether the idling stop control state is the IS non-executed state or the IS executed state based on the flag B indicating whether or not the idling stop control has been executed.
　図１の例において、フラグＢは、制御部４に接続された記憶部６に記憶されている。制御部４は、記憶部５からフラグＢの値を読み込み、読み込まれたフラグＢの値に基づいてＩＳ未実行状態およびＩＳ実行済み状態のいずれであるかを検知する。 In the example of FIG. 1, the flag B is stored in the storage unit 6 connected to the control unit 4. The control unit 4 reads the value of the flag B from the storage unit 5 and detects whether the state is the IS unexecuted state or the IS executed state based on the read value of the flag B.
　また、制御部４は、記憶部５への書込み処理によって記憶部５内のフラグＢの値を設定可能である。例えば、制御部４は、内燃機関２を起動するためのイグニッションスイッチのオン操作が行われたときや、内燃機関２を停止させるイグニッションスイッチのオフ操作が行われたとき等に、フラグＢの値をＩＳ未実行状態を示す値に設定（すなわちリセット）してもよい。また、制御部４は、アイドリングストップ制御を実行したときに、フラグＢの値をＩＳ実行済み状態を示す値に設定してもよい。 Further, the control unit 4 can set the value of the flag B in the storage unit 5 by the writing process to the storage unit 5. For example, the control unit 4 sets the value of the flag B when the ignition switch for turning on the internal combustion engine 2 is turned on, or when the ignition switch for turning off the internal combustion engine 2 is turned off. May be set to a value indicating an IS non-execution state (that is, reset). Further, the control unit 4 may set the value of the flag B to a value indicating the IS executed state when the idling stop control is executed.
　フラグＢの値に基づくことで、制御部４は、ＩＳ未実行状態およびＩＳ実行済み状態のいずれであるかを簡便かつ迅速に判断できる。 Based on the value of the flag B, the control unit 4 can easily and quickly determine whether the state is the IS unexecuted state or the IS executed state.
　図１に示すように、制御部４には、車速を検出するための車速センサ６が接続されている。車速センサ６は、例えば、車速を検出するためのパルス状の車速信号Ｃすなわち車速パルスを制御部４に出力する。 As shown in FIG. 1, a vehicle speed sensor 6 for detecting the vehicle speed is connected to the control unit 4. The vehicle speed sensor 6 outputs, for example, a pulsed vehicle speed signal C for detecting the vehicle speed, that is, a vehicle speed pulse, to the control unit 4.
　制御部４は、車速センサ６からの車速信号Ｃに基づいて車速を算出（すなわち検出）する。そして、制御部４は、算出された車速に基づいて、車速が第１判定速度以上または第２判定速度以上であることを検知する。 The control unit 4 calculates (that is, detects) the vehicle speed based on the vehicle speed signal C from the vehicle speed sensor 6. And the control part 4 detects that a vehicle speed is more than a 1st determination speed or a 2nd determination speed based on the calculated vehicle speed.
　また、図１に示すように、制御部４には、スロットル開度を検出するためのスロットルセンサ７が接続されている。スロットルセンサ７は、スロットル開度を検出するためのスロットル信号Ｄを制御部４に出力する。スロットルセンサ７は、例えば、アクセルグリップの動きに応じた電気信号（すなわち、スロットル信号Ｄ）をＥＣＵに出力するアクセルポジションセンサであってもよい。 As shown in FIG. 1, the control unit 4 is connected with a throttle sensor 7 for detecting the throttle opening. The throttle sensor 7 outputs a throttle signal D for detecting the throttle opening to the control unit 4. The throttle sensor 7 may be, for example, an accelerator position sensor that outputs an electric signal (that is, a throttle signal D) corresponding to the movement of the accelerator grip to the ECU.
　制御部４は、スロットルセンサ７からのスロットル信号Ｄに基づいてスロットル開度を算出する。そして、制御部４は、算出されたスロットル開度に基づいて、開スロットル操作または閉スロットル操作が行われたことを検知する。 The control unit 4 calculates the throttle opening based on the throttle signal D from the throttle sensor 7. And the control part 4 detects that open throttle operation or closed throttle operation was performed based on the calculated throttle opening.
（動作例）
　以上の構成を有する車両制御システム１の動作例について説明する。図２は、本実施形態に係る車両制御システム１の動作例を示すフローチャートである。なお、図２の初期状態において、内燃機関２は起動されているものとする。 (Operation example)
An operation example of the vehicle control system 1 having the above configuration will be described. FIG. 2 is a flowchart showing an operation example of the vehicle control system 1 according to the present embodiment. It is assumed that the internal combustion engine 2 is started in the initial state of FIG.
　先ず、制御部４は、スロットルセンサ７からのスロットル信号Ｄに応じて算出されたスロットル開度に基づいて、閉スロットル操作の有無を判定する（ステップＳ１）。 First, the control unit 4 determines the presence / absence of a closed throttle operation based on the throttle opening calculated according to the throttle signal D from the throttle sensor 7 (step S1).
　閉スロットル操作が行われた場合（ステップＳ１：Ｙｅｓ）、制御部４は、記憶部５に記憶されているフラグＢに基づいて、内燃機関２が起動してからアイドリングストップ制御が実行済みか否か、すなわち、ＩＳ未実行状態およびＩＳ実行済み状態のいずれであるかを判定する（ステップＳ２）。 When the closing throttle operation is performed (step S1: Yes), the control unit 4 determines whether or not the idling stop control has been executed after the internal combustion engine 2 is started based on the flag B stored in the storage unit 5. That is, it is determined whether the state is the IS unexecuted state or the IS performed state (step S2).
　ＩＳ未実行状態である場合（ステップＳ２：Ｎｏ）、制御部４は、車速センサ６から送信された車速信号Ｃに応じて算出された車速と、タイマなどの制御部４の計時機能とに基づいて、車速が第１判定速度Ｖｊ１以上、かつ第１判定速度Ｖｊ１以上の車速の継続時間が第１判定時間Ｔｊ１以上であるか否かを判定する（ステップＳ３）。 When the IS is not executed (step S2: No), the control unit 4 is based on the vehicle speed calculated according to the vehicle speed signal C transmitted from the vehicle speed sensor 6 and the time measuring function of the control unit 4 such as a timer. Thus, it is determined whether or not the vehicle speed is equal to or higher than the first determination speed Vj1 and the duration of the vehicle speed equal to or higher than the first determination speed Vj1 is equal to or longer than the first determination time Tj1 (step S3).
　車速が第１判定速度Ｖｊ１以上かつ継続時間が第１判定時間Ｔｊ１以上であるか場合（ステップＳ３：Ｙｅｓ）、制御部４は、初回のアイドリングストップ制御を実行する（ステップＳ５）。この場合、制御部４は、記憶部５内のフラグＢの値をＩＳ実行済み状態を示す値に設定すなわち変更する。一方、車速が第１判定速度Ｖｊ１以上、かつ継続時間が第１判定時間Ｔｊ１以上でない場合（ステップＳ３：Ｎｏ）、制御部４は、車速が第１判定速度Ｖｊ１以上、かつ継続時間が第１判定時間Ｔｊ１以上であるか否かの判定を繰り返す（ステップＳ３）。 When the vehicle speed is equal to or higher than the first determination speed Vj1 and the duration is equal to or longer than the first determination time Tj1 (step S3: Yes), the control unit 4 executes the first idling stop control (step S5). In this case, the control unit 4 sets, that is, changes the value of the flag B in the storage unit 5 to a value indicating the IS execution completion state. On the other hand, when the vehicle speed is equal to or higher than the first determination speed Vj1 and the duration is not equal to or longer than the first determination time Tj1 (step S3: No), the control unit 4 determines that the vehicle speed is equal to or higher than the first determination speed Vj1 and the duration is first. The determination of whether or not the determination time is Tj1 or longer is repeated (step S3).
　一方、ＩＳ実行済み状態である場合（ステップＳ２：Ｙｅｓ）、制御部４は、車速が第１判定速度Ｖｊ１より高い第２判定速度Ｖｊ２以上、かつ第２判定速度Ｖｊ２以上の車速の継続時間が第２判定時間Ｔｊ２以上であるか否かを判定する（ステップＳ４）。ここで、第２判定時間Ｔｊ２は、第１判定時間Ｔｊ１よりも長い。本工程の判定は、ステップＳ３の場合と同様に、車速センサ６からの車速信号Ｃに応じて算出された車速と、タイマなどの制御部４の計時機能とに基づいて行う。 On the other hand, when the IS is already executed (step S2: Yes), the control unit 4 continues the vehicle speed duration time of the second determination speed Vj2 or higher, which is higher than the first determination speed Vj1, and the second determination speed Vj2 or higher. It is determined whether it is the second determination time Tj2 or more (step S4). Here, the second determination time Tj2 is longer than the first determination time Tj1. The determination in this step is performed based on the vehicle speed calculated according to the vehicle speed signal C from the vehicle speed sensor 6 and the time measuring function of the control unit 4 such as a timer, as in step S3.
　車速が第２判定速度Ｖｊ２以上、かつ継続時間が第２判定時間Ｔｊ２以上である場合（ステップＳ４：Ｙｅｓ）、制御部４は、２回目以降のアイドリングストップ制御を実行する（ステップＳ５）。一方、車速が第２判定速度Ｖｊ２以上かつ継続時間が第２判定時間Ｔｊ２以上でない場合（ステップＳ４：Ｎｏ）、制御部４は、車速が第２判定速度Ｖｊ２以上かつ継続時間が第２判定時間Ｔｊ２以上であるか否かの判定を繰り返す（ステップＳ４）。 When the vehicle speed is equal to or higher than the second determination speed Vj2 and the duration is equal to or longer than the second determination time Tj2 (step S4: Yes), the control unit 4 executes the idling stop control for the second time and thereafter (step S5). On the other hand, when the vehicle speed is equal to or higher than the second determination speed Vj2 and the duration is not equal to or longer than the second determination time Tj2 (step S4: No), the control unit 4 determines that the vehicle speed is equal to or higher than the second determination speed Vj2 The determination of whether or not Tj2 or more is repeated (step S4).
　以上述べたように、本実施形態によれば、２回目以降のアイドリングストップ制御の実行の可否を判定するための第２判定速度を、初回のアイドリングストップ制御の実行の可否を判定するための第１判定速度よりも高い速度にする。 As described above, according to the present embodiment, the second determination speed for determining whether or not the second idling stop control can be executed is the second determination speed for determining whether or not the first idling stop control can be executed. The speed is higher than 1 judgment speed.
　これにより、２回目以降のアイドリングストップの実行開始前に遅延時間を設けることができるので、初回のアイドリングストップの所要時間が２回目以降のアイドリングストップの所要時間より長い場合であっても、アイドリングストップの初回実行時と２回目以降の実行時との間での待ち時間の差を抑制することができる。 As a result, a delay time can be set before the start of execution of the second and subsequent idling stops, so even if the time required for the first idling stop is longer than the time required for the second and subsequent idling stops. The difference in waiting time between the first execution and the second and subsequent executions can be suppressed.
　アイドリングストップの初回実行時と２回目以降の実行時との間での待ち時間の差を抑制することで、運転者の違和感を抑制することができる。 運 転 By suppressing the difference in waiting time between the first execution of the idling stop and the second and subsequent executions, the driver's uncomfortable feeling can be suppressed.
　また、本実施形態によれば、車速が第１判定速度または第２判定速度に上昇した後に、アイドリングストップ制御を実行するため、内燃機関２に接続されたモータジェネレータ３を、内燃機関２の回転によって十分に発電させることができる。 Further, according to the present embodiment, the motor generator 3 connected to the internal combustion engine 2 is rotated by rotating the internal combustion engine 2 in order to execute the idling stop control after the vehicle speed has increased to the first determination speed or the second determination speed. Can sufficiently generate power.
　これにより、アイドリングストップからの再始動をモータジェネレータ３の動力を用いたセルスタートで行う場合に、モータジェネレータ３の発電によって二次電池に十分に蓄積された電力を用いて、セルスタートをより確実に行うことができる。 As a result, when restarting from the idling stop is performed by cell start using the power of the motor generator 3, the cell start can be more reliably performed using the electric power sufficiently accumulated in the secondary battery by the power generation of the motor generator 3. Can be done.
　なお、自動四輪車などの自動二輪車以外の車両において、アイドリングストップの初回実行時と２回目以降の実行時との間での待ち時間の差を抑制するために本発明を適用することもできる。 In addition, in vehicles other than motorcycles such as automobiles, the present invention can also be applied to suppress a difference in waiting time between the first execution of idling stop and the second and subsequent executions. .
　上述した実施形態は、あくまで一例であって、発明の範囲を限定するものではない。発明の要旨を逸脱しない限度において、上述した実施形態に対して種々の変更を行うことができる。変更された実施形態は、特許請求の範囲に記載された発明とその均等の範囲に含まれるものである。 The above-described embodiment is merely an example, and does not limit the scope of the invention. Various modifications can be made to the above-described embodiment without departing from the scope of the invention. The modified embodiments are included in the inventions described in the claims and their equivalents.
１　車両制御システム、２　内燃機関、４　制御部、１０　車両制御装置 1 vehicle control system, 2 internal combustion engine, 4 control unit, 10 vehicle control device

Claims (9)

  1. 　車両の内燃機関を一時的に停止させるアイドリングストップ制御を実行する制御部を有する車両制御装置であって、
    　前記制御部は、
    　スロットルの開度を基準開度以下に減少させる閉スロットル操作が行われた際に、前記内燃機関が起動してから前記アイドリングストップ制御が未だ実行されていない第１の場合には、前記車両の車速が第１判定速度以上であるときに、前記アイドリングストップ制御を実行し、
    　前記閉スロットル操作が行われた際に、前記内燃機関が起動してから既に前記アイドリングストップ制御が実行済みである第２の場合には、前記車速が前記第１判定速度より高い第２判定速度以上であるときに、前記アイドリングストップ制御を再度実行することを特徴とする車両制御装置。     A vehicle control device having a control unit that executes idling stop control for temporarily stopping an internal combustion engine of a vehicle,
    The controller is
    In a first case where the idling stop control is not yet executed after the internal combustion engine is started when a closed throttle operation for reducing the throttle opening to a reference opening or less is performed, When the vehicle speed is equal to or higher than the first determination speed, the idling stop control is executed,
    In the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the second determination speed is higher than the first determination speed. When it is above, the said idling stop control is performed again, The vehicle control apparatus characterized by the above-mentioned.
  2. 　前記制御部は、
    　前記第１の場合には、前記車速が前記第１判定速度以上の状態が第１判定時間以上継続しているときに、前記アイドリングストップ制御を実行し、
    　前記第２の場合には、前記車速が前記第２判定速度以上の状態が前記第１判定時間よりも長い第２判定時間以上継続しているときに、前記アイドリングストップ制御を再度実行することを特徴とする請求項１に記載の車両制御装置。     The controller is
    In the first case, when the state where the vehicle speed is equal to or higher than the first determination speed continues for the first determination time or longer, the idling stop control is executed,
    In the second case, when the state where the vehicle speed is equal to or higher than the second determination speed continues for a second determination time longer than the first determination time, the idling stop control is executed again. The vehicle control device according to claim 1, wherein
  3. 　前記制御部は、
    　前記アイドリングストップ制御を実行したか否かを示すフラグに基づいて、前記第１の場合または前記第２の場合を検知する請求項１に記載の車両制御装置。     The controller is
    The vehicle control device according to claim 1, wherein the first case or the second case is detected based on a flag indicating whether or not the idling stop control has been executed.
  4. 　前記制御部は、
    　前記内燃機関の点火プラグを点火させる点火装置に対して点火を指示する制御信号を送信しないことで、前記アイドリングストップ制御を実行することを特徴とする請求項１に記載の車両制御装置。     The controller is
    2. The vehicle control device according to claim 1, wherein the idling stop control is executed by not transmitting a control signal instructing ignition to an ignition device that ignites an ignition plug of the internal combustion engine. 3.
  5. 　前記内燃機関の回転速度は、前記スロットルの開度の減少に応じて低下することを特徴とする請求項１に記載の車両制御装置。 2. The vehicle control device according to claim 1, wherein the rotational speed of the internal combustion engine decreases with a decrease in the throttle opening.
  6. 　車両の内燃機関と、
    　前記内燃機関を一時的に停止させるアイドリングストップ制御を実行する制御部を有する車両制御装置と、を備える車両制御システムであって、
    　前記制御部は、
    　スロットルの開度を基準開度以下に減少させる閉スロットル操作が行われた際に、前記内燃機関が起動してから前記アイドリングストップ制御が未だ実行されていない第１の場合には、前記車両の車速が第１判定速度以上であるときに、前記アイドリングストップ制御を実行し、
    　前記閉スロットル操作が行われた際に、前記内燃機関が起動してから既に前記アイドリングストップ制御が実行済みである第２の場合には、前記車速が前記第１判定速度より高い第２判定速度以上であるときに、前記アイドリングストップ制御を再度実行することを特徴とする車両制御システム。     An internal combustion engine of the vehicle;
    A vehicle control system having a control unit that executes idling stop control for temporarily stopping the internal combustion engine,
    The controller is
    In a first case where the idling stop control is not yet executed after the internal combustion engine is started when a closed throttle operation for reducing the throttle opening to a reference opening or less is performed, When the vehicle speed is equal to or higher than the first determination speed, the idling stop control is executed,
    In the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the second determination speed is higher than the first determination speed. When it is above, the said idling stop control is performed again, The vehicle control system characterized by the above-mentioned.
  7. 　前記車速を検出するための車速センサを更に備え、
    　前記制御部は、前記検出された車速に基づいて、前記車速が前記第１判定速度以上または前記第２判定速度以上であることを検知することを特徴とする請求項６に記載の車両制御システム。     A vehicle speed sensor for detecting the vehicle speed;
    The vehicle control system according to claim 6, wherein the control unit detects that the vehicle speed is equal to or higher than the first determination speed or equal to or higher than the second determination speed based on the detected vehicle speed. .
  8. 　前記スロットルの開度を検出するためのスロットルセンサを更に備え、
    　前記制御部は、前記検出されたスロットルの開度に基づいて、前記閉スロットル操作が行われたことを検知することを特徴とする請求項６に記載の車両制御システム。     A throttle sensor for detecting the throttle opening;
    The vehicle control system according to claim 6, wherein the control unit detects that the closed throttle operation has been performed based on the detected opening of the throttle.
  9. 　車両の内燃機関を一時的に停止させるアイドリングストップ制御を実行する車両制御装置の制御方法であって、
    　スロットルの開度を基準開度以下に減少させる閉スロットル操作が行われた際に、前記内燃機関が起動してから前記アイドリングストップ制御が未だ実行されていない第１の場合には、前記車両の車速が第１判定速度以上であるときに、前記アイドリングストップ制御を実行し、
    　前記閉スロットル操作が行われた際に、前記内燃機関が起動してから既に前記アイドリングストップ制御が実行済みである第２の場合には、前記車速が前記第１判定速度より高い第２判定速度以上であるときに、前記アイドリングストップ制御を再度実行することを特徴とする車両制御装置の制御方法。     A control method for a vehicle control device for executing idling stop control for temporarily stopping an internal combustion engine of a vehicle,
    In a first case where the idling stop control is not yet executed after the internal combustion engine is started when a closed throttle operation for reducing the throttle opening to a reference opening or less is performed, When the vehicle speed is equal to or higher than the first determination speed, the idling stop control is executed,
    In the second case where the idling stop control has already been executed after the internal combustion engine is started when the closed throttle operation is performed, the second determination speed is higher than the first determination speed. When it is above, the said idling stop control is performed again, The control method of the vehicle control apparatus characterized by the above-mentioned.
PCT/JP2016/076721 2016-07-22 2016-09-09 Vehicle control apparatus, vehicle control system, and method for controlling vehicle control apparatus WO2018016093A1 (en)

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CN114407908A (en) * 2022-02-21 2022-04-29 浙江绿色慧联有限公司 Remote vehicle control method, system, equipment and medium based on vehicle safety

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CN111989474A (en) * 2018-04-05 2020-11-24 日产自动车株式会社 Vehicle control method and vehicle control device
CN111989474B (en) * 2018-04-05 2022-11-25 日产自动车株式会社 Vehicle control method and vehicle control device
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