JP2018080676A5

JP2018080676A5 -

Info

Publication number: JP2018080676A5
Application number: JP2016224785A
Authority: JP
Filing date: 2016-11-18
Publication date: 2020-03-19
Anticipated expiration: 2036-11-18

Description

上記課題を解決する車両の制御装置の発明の一態様は、吸気が通過する吸気管と、前記吸気管に配置されたスロットルバルブとを有し、前記スロットルバルブのスロットルバルブ開度に応じたエンジントルクを発生する内燃機関と、バッテリの電力を用いて発生したモータトルクにより前記エンジントルクをアシストする電動機と、前記吸気管における前記スロットルバルブより下流部の吸気管圧力が供給されることで、凝縮水が発生する凝縮水発生部位から前記凝縮水を排出する凝縮水排出装置と、を備える車両の制御装置であって、所定条件が成立した場合に、前記吸気管圧力が低下して前記凝縮水が排出されるよう前記スロットルバルブ開度を減少し、かつ、前記電動機にモータトルクを発生させる制御部を備え、前記制御部は、前記スロットルバルブ開度を減少する前の前記吸気管圧力に応じて、前記スロットルバルブ開度の減少量または前記モータトルクの発生量の一方を決定し、決定した前記スロットルバルブ開度の減少量または前記モータトルクの発生量の一方に基づいて、前記スロットルバルブ開度の減少量または前記モータトルクの発生量の他方を決定することを特徴とする。 One aspect of the invention of a control device for a vehicle that solves the above problem has an intake pipe through which intake air passes, and a throttle valve arranged in the intake pipe, and an engine according to a throttle valve opening of the throttle valve. An internal combustion engine that generates torque, an electric motor that assists the engine torque with a motor torque generated using electric power of a battery, and an intake pipe pressure downstream of the throttle valve in the intake pipe are supplied to condense. A condensed water discharge device for discharging the condensed water from a condensed water generation site where water is generated, wherein when a predetermined condition is satisfied, the intake pipe pressure is reduced and the condensed water is reduced. The throttle valve opening degree is reduced so as to be discharged, and a control unit that generates a motor torque in the electric motor, the control unit includes: According to the intake pipe pressure before reducing the throttle valve opening, one of the throttle valve opening reduction amount and the motor torque generation amount is determined, and the determined throttle valve opening reduction amount or the determined On the basis of one of the generated amounts of the motor torque, the other of the reduced amount of the throttle valve opening and the generated amount of the motor torque is determined.

本発明の一実施の形態に係る車両の制御装置は、吸気が通過する吸気管と、吸気管に配置されたスロットルバルブとを有し、スロットルバルブのスロットルバルブ開度に応じたエンジントルクを発生する内燃機関と、バッテリの電力を用いて発生したモータトルクによりエンジントルクをアシストする電動機と、吸気管におけるスロットルバルブより下流部の吸気管圧力が供給されることで、凝縮水が発生する凝縮水発生部位から凝縮水を排出する凝縮水排出装置と、を備える車両の制御装置であって、所定条件が成立した場合に、吸気管圧力が低下して凝縮水が排出されるようスロットルバルブ開度を減少し、かつ、電動機にモータトルクを発生させる制御部を備え、制御部は、スロットルバルブ開度を減少する前の吸気管圧力に応じて、スロットルバルブ開度の減少量またはモータトルクの発生量の一方を決定し、決定したスロットルバルブ開度の減少量またはモータトルクの発生量の一方に基づいて、スロットルバルブ開度の減少量またはモータトルクの発生量の他方を決定することを特徴とする。これにより、本発明の一実施の形態に係る車両の制御装置は、凝縮水を排出する機会を多く確保することができる。 A control device for a vehicle according to an embodiment of the present invention includes an intake pipe through which intake air passes, and a throttle valve disposed in the intake pipe, and generates an engine torque according to a throttle valve opening of the throttle valve. Internal combustion engine, an electric motor that assists the engine torque with the motor torque generated by using the power of the battery, and condensed water that generates condensed water by supplying the intake pipe pressure downstream of the throttle valve in the intake pipe A condensed water discharging device for discharging condensed water from a generation portion, wherein the throttle valve opening is configured to reduce intake pipe pressure and discharge condensed water when predetermined conditions are satisfied. And a control unit for generating a motor torque in the electric motor, the control unit controls the throttle valve opening according to the intake pipe pressure before reducing the opening degree. Determining one of the decrease or the amount of generation of the motor torque lot Rubarubu opening, based on the determined one of the decrease or the amount of generation of the motor torque of the throttle valve opening degree, decrease or motor torque of the throttle valve opening Is characterized in that the other of the generation amounts is determined. Thereby, the control device for the vehicle according to the embodiment of the present invention can secure many opportunities to discharge the condensed water.

Claims

An internal combustion engine that has an intake pipe through which intake air passes, and a throttle valve arranged in the intake pipe, and generates an engine torque according to a throttle valve opening of the throttle valve;
An electric motor that assists the engine torque with a motor torque generated using electric power of a battery,
A condensed water discharge device that discharges the condensed water from a condensed water generation site where condensed water is generated by supplying an intake pipe pressure downstream of the throttle valve in the intake pipe. So,
A control unit that reduces the throttle valve opening so that the intake pipe pressure is reduced and the condensed water is discharged when a predetermined condition is satisfied, and that generates a motor torque in the electric motor;
The control unit includes:
According to the intake pipe pressure before reducing the throttle valve opening, one of the amount of reduction of the throttle valve opening or the amount of generation of the motor torque is determined,
The other of the determined decrease amount of the throttle valve opening and the generated amount of the motor torque is determined based on one of the determined decrease amount of the throttle valve opening or the generated amount of the motor torque . Control device.

The control unit includes:
When the intake pipe pressure before reducing the throttle valve opening is equal to or more than a first predetermined pressure and less than a second predetermined pressure that is larger than the first predetermined pressure,
Determining a reduction amount of the throttle valve opening such that the intake pipe pressure decreases to a target intake pipe pressure smaller than the first predetermined pressure;
Claims determined reduction by the throttle valve opening degree of the throttle opening is to offset the amount of decrease in the engine torque when it is reduced, and determining the generation amount of the motor torque 2. The control device for a vehicle according to claim 1.

The control unit includes:
When the intake pipe pressure before decreasing the throttle valve opening is equal to or more than the second predetermined pressure and less than a third predetermined pressure that is larger than the second predetermined pressure,
Determine the amount of generation of the motor torque to a predetermined limit torque,
The control device for a vehicle according to claim 2 , wherein the amount of decrease in the throttle valve opening is determined based on the limit torque.

The control unit includes:
During the increase of the motor torque to the limit torque, the throttle valve opening and the motor torque are controlled so that the decreasing speed of the engine torque is equal to the increasing speed of the motor torque,
4. The control device according to claim 3, wherein after the motor torque is increased to the limit torque, the throttle valve is closed at a valve closing speed smaller than during the increase in the motor torque. 5.

The control unit includes:
When the intake pipe pressure before decreasing the throttle valve opening is equal to or more than the second predetermined pressure and less than the third predetermined pressure,
The intake pipe pressure is allowed not to decrease to the target intake pipe pressure, and the amount of decrease in the throttle valve opening is determined so that the intake pipe pressure decreases to a pressure larger than the target intake pipe pressure. The control device for a vehicle according to claim 3 or 4, wherein