JP2008273349A5 - - Google Patents
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- JP2008273349A5 JP2008273349A5 JP2007118103A JP2007118103A JP2008273349A5 JP 2008273349 A5 JP2008273349 A5 JP 2008273349A5 JP 2007118103 A JP2007118103 A JP 2007118103A JP 2007118103 A JP2007118103 A JP 2007118103A JP 2008273349 A5 JP2008273349 A5 JP 2008273349A5
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Claims (8)
前記車両の運転者による制動操作量に応じた液圧量をそれぞれ発生する２つの液圧発生室を有する第１の液圧発生装置と、
前記２つの液圧発生室のうちの一方を、前記４つの車輪制動装置のうちの左右前輪に対応する２つ又は左前輪と右後輪に対応する２つと液圧的に接続する第１の液圧配管と、
前記２つの液圧発生室のうちの他方を、前記４つの車輪制動装置のうちの左右後輪に対応する２つ又は右前輪と左後輪に対応する２つと液圧的に接続する第２の液圧配管と、
前記第１、第２の液圧配管のそれぞれにおいて前記第１の液圧発生装置により発生された前記液圧量に加算される助勢液圧を発生する動力駆動の第２の液圧発生装置と、
前記制動操作量を検出する制動操作量検出手段と、
前記車両の旋回運動を表す旋回状態量を検出する旋回状態量検出手段と、
前記検出された制動操作量に基づいて、前記第１の液圧配管における第１の助勢液圧基準量及び前記第２の液圧配管における第２の助勢液圧基準量を決定する助勢液圧基準量決定手段と、
前記運転者による制動操作の開始時において前記旋回状態量として検出された制動開始旋回状態量が第１所定値以上の場合に第１の状態を検出し、前記制動開始旋回状態量が前記第１所定値未満の場合に第２の状態を検出する状態判別手段と、
前記第１の状態が検出された場合、前記検出された旋回状態量に基づいて、前記第１、第２の液圧配管のうち前記左右前輪に対応する２つの前記車輪制動装置又は旋回外側前輪及び旋回内側後輪に対応する２つの前記車輪制動装置に接続された一方の液圧配管における第１の助勢液圧目標量を前記決定された第１、第２の助勢液圧基準量のうち前記一方の液圧配管に対応する一方の助勢液圧基準量以上に決定するとともに、前記第１、第２の液圧配管のうち他方の液圧配管における第２の助勢液圧目標量を前記決定された第１、第２の助勢液圧基準量のうち他方の助勢液圧基準量以下に決定し、前記第２の状態が検出された場合、前記検出された旋回状態量に基づいて、前記第１の助勢液圧目標量を前記一方の助勢液圧基準量以下に決定するとともに、前記第２の助勢液圧目標量を前記他方の助勢液圧基準量以上に決定する助勢液圧目標量決定手段と、
前記一方、他方の液圧配管のそれぞれにおける前記助勢液圧を、前記決定された第１、第２の助勢液圧目標量にそれぞれ一致するように調整する調圧手段と、
を備えた車両用制動制御装置。 Four wheel braking devices that respectively apply braking torque corresponding to the braking hydraulic pressure supplied to the wheel cylinders of the four front, rear, left, and right wheels of the vehicle to the corresponding wheels;
A first hydraulic pressure generating device having two hydraulic pressure generating chambers each generating a hydraulic pressure amount corresponding to a braking operation amount by a driver of the vehicle;
A first hydraulically connecting one of the two hydraulic pressure generating chambers to two of the four wheel braking devices corresponding to the left and right front wheels or two corresponding to the left front wheel and the right rear wheel. Hydraulic piping,
A second hydraulically connecting the other of the two hydraulic pressure generating chambers to two of the four wheel braking devices corresponding to the left and right rear wheels or two corresponding to the right front wheel and the left rear wheel. Hydraulic piping of
A power-driven second hydraulic pressure generator for generating an assisting hydraulic pressure to be added to the hydraulic pressure amount generated by the first hydraulic pressure generator in each of the first and second hydraulic pipes; ,
Braking operation amount detection means for detecting the braking operation amount;
A turning state amount detecting means for detecting a turning state amount representing the turning motion of the vehicle;
An assist hydraulic pressure that determines a first assist hydraulic pressure reference amount in the first hydraulic piping and a second assist hydraulic pressure reference amount in the second hydraulic piping based on the detected braking operation amount. A reference amount determination means;
The first state is detected when the braking start turning state amount detected as the turning state amount at the start of the braking operation by the driver is greater than or equal to a first predetermined value, and the braking start turning state amount is the first amount. A state discriminating means for detecting the second state when it is less than a predetermined value;
When the first state is detected, based on the detected turning state amount, the two wheel braking devices or turning outer front wheels corresponding to the left and right front wheels of the first and second hydraulic pipes. And the first assist hydraulic pressure target amount in the one hydraulic pipe connected to the two wheel braking devices corresponding to the turning inner rear wheel of the determined first and second assist hydraulic pressure reference amounts The first assist hydraulic pressure reference amount corresponding to the one hydraulic pipe is determined to be greater than or equal to the first hydraulic pressure pipe, and the second assist hydraulic pressure target amount in the other hydraulic pipe among the first and second hydraulic pipes is Of the determined first and second assist hydraulic pressure reference amounts, determined to be equal to or less than the other assist hydraulic pressure reference amount, and when the second state is detected, based on the detected turning state amount, The first assist hydraulic pressure target amount is determined to be equal to or less than the one assist hydraulic pressure reference amount. Both the assisting pressure target amount determining means for determining the second assisting pressure target amount than assisting pressure reference amount of the other,
Pressure adjusting means for adjusting the assist hydraulic pressure in each of the one and other hydraulic pressure pipes so as to coincide with the determined first and second assist hydraulic pressure target amounts, respectively;
A vehicle braking control apparatus comprising:
前記助勢液圧目標量決定手段は、
前記検出された制動操作量に基づいて、前記第１、第２の液圧配管における安定化基礎液圧量を、前記検出された制動操作量がゼロよりも大きい所定操作量以下ではゼロに決定するとともに同制動操作量が同所定操作量よりも大きい場合にゼロよりも大きい値に決定する安定化基礎液圧量決定手段と、
前記第１の状態が検出された場合、前記一方の液圧配管における第１の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態量に基づいて得られるゼロ以上の係数を乗じて得られる値に決定するとともに、前記他方の液圧配管における第２の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態に基づいて得られるゼロ以下の係数を乗じて得られる値に決定し、前記第２の状態が検出された場合、前記第１の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態量に基づいて得られるゼロ以下の係数を乗じて得られる値に決定するとともに、前記第２の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態量に基づいて得られるゼロ以上の係数を乗じて得られる値に決定する安定化液圧量決定手段と、
を備え、
前記助勢液圧目標量決定手段は、
前記第１の助勢液圧目標量を、前記一方の助勢液圧基準量に前記第１の安定化液圧量を加算して得られる値に決定し、前記第２の助勢液圧目標量を、前記他方の助勢液圧基準量に前記第２の安定化液圧量を加算して得られる値に決定するように構成された車両用制動制御装置。 The vehicle brake control device according to claim 1,
The assist hydraulic pressure target amount determining means includes:
Based on the detected braking operation amount, the stabilized basic hydraulic pressure amount in the first and second hydraulic pipes is determined to be zero when the detected braking operation amount is less than a predetermined operation amount greater than zero. And a stabilizing basic hydraulic pressure amount determining means for determining a value larger than zero when the braking operation amount is larger than the predetermined operation amount,
When the first state is detected, the first stabilized hydraulic pressure amount in the one hydraulic pipe is obtained based on the detected turning state amount to the determined stabilized basic hydraulic pressure amount. A value obtained by multiplying a coefficient of zero or more is determined, and a second stabilized hydraulic pressure amount in the other hydraulic pipe is determined based on the detected turning state to the determined stabilized basic hydraulic pressure amount. When the second state is detected, the first stabilized hydraulic pressure amount is added to the determined stabilized basic hydraulic pressure amount when the second state is detected. A value obtained by multiplying a coefficient of zero or less obtained based on the detected turning state amount is determined, and the second stabilized hydraulic pressure amount is detected as the determined stabilized basic hydraulic pressure amount. Multiply by a coefficient of zero or more obtained based on the amount of turning state A stabilizing solution pressure amount determining means for determining the value to be,
With
The assist hydraulic pressure target amount determining means includes:
The first assist hydraulic pressure target amount is determined to be a value obtained by adding the first stabilizing hydraulic pressure amount to the one assist hydraulic pressure reference amount, and the second assist hydraulic pressure target amount is set as the second assist hydraulic pressure target amount. The vehicle braking control device is configured to determine a value obtained by adding the second stabilizing hydraulic pressure amount to the other assist hydraulic pressure reference amount.
前記車両の運転者による制動操作量に応じた液圧量をそれぞれ発生する２つの液圧発生室を有する第１の液圧発生装置と、
前記２つの液圧発生室のうちの一方を、前記４つの車輪制動装置のうちの左右前輪に対応する２つ又は左前輪と右後輪に対応する２つと液圧的に接続する第１の液圧配管と、
前記２つの液圧発生室のうちの他方を、前記４つの車輪制動装置のうちの左右後輪に対応する２つ又は右前輪と左後輪に対応する２つと液圧的に接続する第２の液圧配管と、
前記第１、第２の液圧配管のそれぞれにおいて前記第１の液圧発生装置により発生された前記液圧量に加算される助勢液圧を発生する動力駆動の第２の液圧発生装置と、
前記制動操作量を検出する制動操作量検出手段と、
前記車両の旋回運動を表す旋回状態量を検出する旋回状態量検出手段と、
前記検出された制動操作量に基づいて、前記第１の液圧配管における第１の助勢液圧基準量及び前記第２の液圧配管における第２の助勢液圧基準量を決定する助勢液圧基準量決定手段と、
前記運転者による制動操作の開始時において前記旋回状態量として検出された制動開始旋回状態量が第１所定値以上の場合に第１の状態を検出し、前記制動開始旋回状態量が前記第１所定値より小さい第２所定値以上であって前記第１所定値未満の場合に第２の状態を検出し、前記制動開始旋回状態量が前記第２所定値未満の場合に第３の状態を検出する状態判別手段と、
前記第１の状態が検出された場合、前記検出された旋回状態量に基づいて、前記第１、第２の液圧配管のうち前記左右前輪に対応する２つの前記車輪制動装置又は旋回外側前輪及び旋回内側後輪に対応する２つの前記車輪制動装置に接続された一方の液圧配管における第１の助勢液圧目標量を前記決定された第１、第２の助勢液圧基準量のうち前記一方の液圧配管に対応する一方の助勢液圧基準量以上に決定するとともに、前記第１、第２の液圧配管のうち他方の液圧配管における第２の助勢液圧目標量を前記決定された第１、第２の助勢液圧基準量のうち他方の助勢液圧基準量以下に決定し、前記第２の状態が検出された場合、前記第１、第２の助勢液圧目標量を前記一方、他方の助勢液圧基準量と等しい値にそれぞれ決定し、前記第３の状態が検出された場合、前記検出された旋回状態量に基づいて、前記第１の助勢液圧目標量を前記一方の助勢液圧基準量以下に決定するとともに、前記第２の助勢液圧目標量を前記他方の助勢液圧基準量以上に決定する助勢液圧目標量決定手段と、
前記一方、他方の液圧配管のそれぞれにおける前記助勢液圧を、前記決定された第１、第２の助勢液圧目標量にそれぞれ一致するように調整する調圧手段と、
を備えた車両用制動制御装置。 Four wheel braking devices that respectively apply braking torque corresponding to the braking hydraulic pressure supplied to the wheel cylinders of the four front, rear, left, and right wheels of the vehicle to the corresponding wheels;
A first hydraulic pressure generating device having two hydraulic pressure generating chambers each generating a hydraulic pressure amount corresponding to a braking operation amount by a driver of the vehicle;
A first hydraulically connecting one of the two hydraulic pressure generating chambers to two of the four wheel braking devices corresponding to the left and right front wheels or two corresponding to the left front wheel and the right rear wheel. Hydraulic piping,
A second hydraulically connecting the other of the two hydraulic pressure generating chambers to two of the four wheel braking devices corresponding to the left and right rear wheels or two corresponding to the right front wheel and the left rear wheel. Hydraulic piping of
A power-driven second hydraulic pressure generator for generating an assisting hydraulic pressure to be added to the hydraulic pressure amount generated by the first hydraulic pressure generator in each of the first and second hydraulic pipes; ,
Braking operation amount detection means for detecting the braking operation amount;
A turning state amount detecting means for detecting a turning state amount representing the turning motion of the vehicle;
An assist hydraulic pressure that determines a first assist hydraulic pressure reference amount in the first hydraulic piping and a second assist hydraulic pressure reference amount in the second hydraulic piping based on the detected braking operation amount. A reference amount determination means;
The first state is detected when the braking start turning state amount detected as the turning state amount at the start of the braking operation by the driver is greater than or equal to a first predetermined value, and the braking start turning state amount is the first amount. A second state is detected when it is greater than or equal to a second predetermined value less than a predetermined value and less than the first predetermined value, and a third state is detected when the amount of braking start turning state is less than the second predetermined value. State determination means for detecting;
When the first state is detected, based on the detected turning state amount, the two wheel braking devices or turning outer front wheels corresponding to the left and right front wheels of the first and second hydraulic pipes. And the first assist hydraulic pressure target amount in one hydraulic pipe connected to the two wheel braking devices corresponding to the turning inner rear wheel, out of the determined first and second assist hydraulic pressure reference amounts The first assist hydraulic pressure reference amount corresponding to the one hydraulic pressure pipe is determined to be equal to or greater than the one assist hydraulic pressure reference amount, and the second assist hydraulic pressure target amount in the other hydraulic pressure pipe among the first and second hydraulic pressure pipes is When the second state is detected when the determined first and second assistance hydraulic pressure reference amounts are determined to be equal to or less than the other assistance hydraulic pressure reference amount, the first and second assistance hydraulic pressure targets are detected. The amount is determined to be equal to the other assisting hydraulic pressure reference amount, and the third When a state is detected, the first assist hydraulic pressure target amount is determined to be equal to or less than the one assist hydraulic pressure reference amount based on the detected turning state amount, and the second assist hydraulic pressure target is determined. An assist hydraulic pressure target amount determining means for determining an amount equal to or greater than the other assist hydraulic pressure reference amount;
Pressure adjusting means for adjusting the assist hydraulic pressure in each of the one and the other hydraulic pipes to match the determined first and second assist hydraulic pressure target amounts, respectively;
A vehicle braking control apparatus comprising:
前記助勢液圧目標量決定手段は、
前記検出された制動操作量に基づいて、前記第１、第２の液圧配管における安定化基礎液圧量を、前記検出された制動操作量がゼロよりも大きい所定操作量以下ではゼロに決定するとともに同制動操作量が同所定操作量よりも大きい場合にゼロよりも大きい値に決定する安定化基礎液圧量決定手段と、
前記第１の状態が検出された場合、前記一方の液圧配管における第１の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態量に基づいて得られるゼロ以上の係数を乗じて得られる値に決定するとともに、前記他方の液圧配管における第２の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態に基づいて得られるゼロ以下の係数を乗じて得られる値に決定し、前記第２の状態が検出された場合、前記第１、第２の安定化液圧量をゼロに決定し、前記第３の状態が検出された場合、前記第１の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態量に基づいて得られるゼロ以下の係数を乗じて得られる値に決定するとともに、前記第２の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態量に基づいて得られるゼロ以上の係数を乗じて得られる値に決定する安定化液圧量決定手段と、
を備え、
前記助勢液圧目標量決定手段は、
前記第１の助勢液圧目標量を、前記一方の助勢液圧基準量に前記第１の安定化液圧量を加算して得られる値に決定し、前記第２の助勢液圧目標量を、前記他方の助勢液圧基準量に前記第２の安定化液圧量を加算して得られる値に決定するように構成された車両用制動制御装置。 The vehicle brake control device according to claim 3, wherein
The assist hydraulic pressure target amount determining means includes:
Based on the detected braking operation amount, the stabilized basic hydraulic pressure amount in the first and second hydraulic pipes is determined to be zero when the detected braking operation amount is less than a predetermined operation amount greater than zero. And a stabilizing basic hydraulic pressure amount determining means for determining a value larger than zero when the braking operation amount is larger than the predetermined operation amount,
When the first state is detected, the first stabilized hydraulic pressure amount in the one hydraulic pipe is obtained based on the detected turning state amount to the determined stabilized basic hydraulic pressure amount. A value obtained by multiplying a coefficient of zero or more is determined, and a second stabilized hydraulic pressure amount in the other hydraulic pipe is determined based on the detected turning state to the determined stabilized basic hydraulic pressure amount. When the second state is detected, the first and second stabilizing hydraulic pressure amounts are determined to be zero when the second state is detected. When a state is detected, a value obtained by multiplying the first stabilization hydraulic pressure amount by the coefficient of zero or less obtained on the basis of the detected turning state amount to the determined stabilization basic hydraulic pressure amount And determining the second stabilizing hydraulic pressure amount to the determined stabilization A stabilizing solution pressure amount determining means for determining a value obtained by multiplying the zero or more coefficients obtained on the basis of the detected turning state quantity cornerstone liquid pressure amount,
With
The assist hydraulic pressure target amount determining means includes:
The first assist hydraulic pressure target amount is determined to be a value obtained by adding the first stabilizing hydraulic pressure amount to the one assist hydraulic pressure reference amount, and the second assist hydraulic pressure target amount is set as the second assist hydraulic pressure target amount. The vehicle braking control device is configured to determine a value obtained by adding the second stabilizing hydraulic pressure amount to the other assist hydraulic pressure reference amount.
前記車両の運転者による制動操作量に応じた液圧量をそれぞれ発生する２つの液圧発生室を有する第１の液圧発生装置と、
前記２つの液圧発生室のうちの一方を、前記４つの車輪制動装置のうちの左右前輪に対応する２つ又は左前輪と右後輪に対応する２つと液圧的に接続する第１の液圧配管と、
前記２つの液圧発生室のうちの他方を、前記４つの車輪制動装置のうちの左右後輪に対応する２つ又は右前輪と左後輪に対応する２つと液圧的に接続する第２の液圧配管と、
前記第１、第２の液圧配管のそれぞれにおいて前記第１の液圧発生装置により発生された前記液圧量に加算される助勢液圧を発生する動力駆動の第２の液圧発生装置と、
前記制動操作量を検出する制動操作量検出手段と、
前記車両の旋回運動を表す旋回状態量を検出する旋回状態量検出手段と、
前記検出された制動操作量に基づいて、前記第１の液圧配管における第１の助勢液圧基準量及び前記第２の液圧配管における第２の助勢液圧基準量を決定する助勢液圧基準量決定手段と、
前記運転者による制動操作の開始時において前記旋回状態量として検出された制動開始旋回状態量が第１所定値以上の場合に第１の状態を検出し、前記制動開始旋回状態量が前記第１所定値未満の場合に第２の状態を検出する状態判別手段と、
前記第１の状態が検出された場合、前記検出された旋回状態量に基づいて、前記第１、第２の液圧配管のうち前記左右前輪に対応する２つの前記車輪制動装置又は旋回外側前輪及び旋回内側後輪に対応する２つの前記車輪制動装置に接続された一方の液圧配管における第１の助勢液圧目標量を前記決定された第１、第２の助勢液圧基準量のうち前記一方の液圧配管に対応する一方の助勢液圧基準量以上に決定するとともに、前記第１、第２の液圧配管のうち他方の液圧配管における第２の助勢液圧目標量を前記決定された第１、第２の助勢液圧基準量のうち他方の助勢液圧基準量以下に決定し、前記第２の状態が検出された場合、前記第１、第２の助勢液圧目標量を前記一方、他方の助勢液圧基準量と等しい値にそれぞれ決定する助勢液圧目標量決定手段と、
前記一方、他方の液圧配管のそれぞれにおける前記助勢液圧を、前記決定された第１、第２の助勢液圧目標量にそれぞれ一致するように調整する調圧手段と、
を備えた車両用制動制御装置。 Four wheel braking devices that respectively apply braking torque corresponding to the braking hydraulic pressure supplied to the wheel cylinders of the four front, rear, left, and right wheels of the vehicle to the corresponding wheels;
A first hydraulic pressure generating device having two hydraulic pressure generating chambers each generating a hydraulic pressure amount corresponding to a braking operation amount by a driver of the vehicle;
A first hydraulically connecting one of the two hydraulic pressure generating chambers to two of the four wheel braking devices corresponding to the left and right front wheels or two corresponding to the left front wheel and the right rear wheel. Hydraulic piping,
A second hydraulically connecting the other of the two hydraulic pressure generating chambers to two of the four wheel braking devices corresponding to the left and right rear wheels or two corresponding to the right front wheel and the left rear wheel. Hydraulic piping of
A power-driven second hydraulic pressure generator for generating an assisting hydraulic pressure to be added to the hydraulic pressure amount generated by the first hydraulic pressure generator in each of the first and second hydraulic pipes; ,
Braking operation amount detection means for detecting the braking operation amount;
A turning state amount detecting means for detecting a turning state amount representing the turning motion of the vehicle;
An assist hydraulic pressure that determines a first assist hydraulic pressure reference amount in the first hydraulic piping and a second assist hydraulic pressure reference amount in the second hydraulic piping based on the detected braking operation amount. A reference amount determination means;
The first state is detected when the braking start turning state amount detected as the turning state amount at the start of the braking operation by the driver is greater than or equal to a first predetermined value, and the braking start turning state amount is the first amount. A state discriminating means for detecting the second state when it is less than a predetermined value;
When the first state is detected, based on the detected turning state amount, the two wheel braking devices or turning outer front wheels corresponding to the left and right front wheels of the first and second hydraulic pipes. And the first assist hydraulic pressure target amount in one hydraulic pipe connected to the two wheel braking devices corresponding to the turning inner rear wheel, out of the determined first and second assist hydraulic pressure reference amounts The first assist hydraulic pressure reference amount corresponding to the one hydraulic pressure pipe is determined to be equal to or greater than the one assist hydraulic pressure reference amount, and the second assist hydraulic pressure target amount in the other hydraulic pressure pipe among the first and second hydraulic pressure pipes is When the second state is detected when the determined first and second assistance hydraulic pressure reference amounts are determined to be equal to or less than the other assistance hydraulic pressure reference amount, the first and second assistance hydraulic pressure targets are detected. Auxiliary hydraulic pressure that determines the amount to be equal to the reference value of the other auxiliary hydraulic pressure. And the amount determining means,
Pressure adjusting means for adjusting the assist hydraulic pressure in each of the one and the other hydraulic pipes to match the determined first and second assist hydraulic pressure target amounts, respectively;
A vehicle braking control apparatus comprising:
前記助勢液圧目標量決定手段は、
前記検出された制動操作量に基づいて、前記第１、第２の液圧配管における安定化基礎液圧量を、前記検出された制動操作量がゼロよりも大きい所定操作量以下ではゼロに決定するとともに同制動操作量が同所定操作量よりも大きい場合にゼロよりも大きい値に決定する安定化基礎液圧量決定手段と、
前記第１の状態が検出された場合、前記一方の液圧配管における第１の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態量に基づいて得られるゼロ以上の係数を乗じて得られる値に決定するとともに、前記他方の液圧配管における第２の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態に基づいて得られるゼロ以下の係数を乗じて得られる値に決定し、前記第２の状態が検出された場合、前記第１、第２の安定化液圧量をゼロに決定する安定化液圧量決定手段と、
を備え、
前記助勢液圧目標量決定手段は、
前記第１の助勢液圧目標量を、前記一方の助勢液圧基準量に前記第１の安定化液圧量を加算して得られる値に決定し、前記第２の助勢液圧目標量を、前記他方の助勢液圧基準量に前記第２の安定化液圧量を加算して得られる値に決定するように構成された車両用制動制御装置。 The vehicle brake control device according to claim 5, wherein
The assist hydraulic pressure target amount determining means includes:
Based on the detected braking operation amount, the stabilized basic hydraulic pressure amount in the first and second hydraulic pipes is determined to be zero when the detected braking operation amount is less than a predetermined operation amount greater than zero. And a stabilizing basic hydraulic pressure amount determining means for determining a value larger than zero when the braking operation amount is larger than the predetermined operation amount,
When the first state is detected, the first stabilized hydraulic pressure amount in the one hydraulic pipe is obtained based on the detected turning state amount to the determined stabilized basic hydraulic pressure amount. A value obtained by multiplying a coefficient of zero or more is determined, and a second stabilized hydraulic pressure amount in the other hydraulic pipe is determined based on the detected turning state to the determined stabilized basic hydraulic pressure amount. A value obtained by multiplying a coefficient less than or equal to zero obtained in this manner, and when the second state is detected, the first and second stabilization fluid pressure amounts are determined to be zero. A determination means;
With
The assist hydraulic pressure target amount determining means includes:
The first assist hydraulic pressure target amount is determined to be a value obtained by adding the first stabilizing hydraulic pressure amount to the one assist hydraulic pressure reference amount, and the second assist hydraulic pressure target amount is set as the second assist hydraulic pressure target amount. The vehicle braking control device is configured to determine a value obtained by adding the second stabilizing hydraulic pressure amount to the other assist hydraulic pressure reference amount.
前記車両の運転者による制動操作量に応じた液圧量をそれぞれ発生する２つの液圧発生室を有する第１の液圧発生装置と、
前記２つの液圧発生室のうちの一方を、前記４つの車輪制動装置のうちの左右前輪に対応する２つ又は左前輪と右後輪に対応する２つと液圧的に接続する第１の液圧配管と、
前記２つの液圧発生室のうちの他方を、前記４つの車輪制動装置のうちの左右後輪に対応する２つ又は右前輪と左後輪に対応する２つと液圧的に接続する第２の液圧配管と、
前記第１、第２の液圧配管のそれぞれにおいて前記第１の液圧発生装置により発生された前記液圧量に加算される助勢液圧を発生する動力駆動の第２の液圧発生装置と、
前記制動操作量を検出する制動操作量検出手段と、
前記車両の旋回運動を表す旋回状態量を検出する旋回状態量検出手段と、
前記検出された制動操作量に基づいて、前記第１の液圧配管における第１の助勢液圧基準量及び前記第２の液圧配管における第２の助勢液圧基準量を決定する助勢液圧基準量決定手段と、
前記運転者による制動操作の開始時において前記旋回状態量として検出された制動開始旋回状態量が第１所定値以上の場合に第１の状態を検出し、前記制動開始旋回状態量が前記第１所定値未満の場合に第２の状態を検出する状態判別手段と、
前記第１の状態が検出された場合、前記検出された旋回状態量に基づいて、前記第１、第２の液圧配管のうち前記左右前輪に対応する２つの前記車輪制動装置又は旋回外側前輪及び旋回内側後輪に対応する２つの前記車輪制動装置に接続された一方の液圧配管における第１の助勢液圧目標量を前記決定された第１、第２の助勢液圧基準量のうち前記一方の液圧配管に対応する一方の助勢液圧基準量と等しい値に決定するとともに、前記第１、第２の液圧配管のうち他方の液圧配管における第２の助勢液圧目標量を前記決定された第１、第２の助勢液圧基準量のうち他方の助勢液圧基準量と等しい値に決定し、前記第２の状態が検出された場合、前記検出された旋回状態量に基づいて、前記第１の助勢液圧目標量を前記一方の助勢液圧基準量以下に決定するとともに、前記第２の助勢液圧目標量を前記他方の助勢液圧基準量以上に決定する助勢液圧目標量決定手段と、
前記一方、他方の液圧配管のそれぞれにおける前記助勢液圧を、前記決定された第１、第２の助勢液圧目標量にそれぞれ一致するように調整する調圧手段と、
を備えた車両用制動制御装置。 Four wheel braking devices that respectively apply braking torque corresponding to the braking hydraulic pressure supplied to the wheel cylinders of the four front, rear, left, and right wheels of the vehicle to the corresponding wheels;
A first hydraulic pressure generating device having two hydraulic pressure generating chambers each generating a hydraulic pressure amount corresponding to a braking operation amount by a driver of the vehicle;
A first hydraulically connecting one of the two hydraulic pressure generating chambers to two of the four wheel braking devices corresponding to the left and right front wheels or two corresponding to the left front wheel and the right rear wheel. Hydraulic piping,
A second hydraulically connecting the other of the two hydraulic pressure generating chambers to two of the four wheel braking devices corresponding to the left and right rear wheels or two corresponding to the right front wheel and the left rear wheel. Hydraulic piping of
A power-driven second hydraulic pressure generator for generating an assisting hydraulic pressure to be added to the hydraulic pressure amount generated by the first hydraulic pressure generator in each of the first and second hydraulic pipes; ,
Braking operation amount detection means for detecting the braking operation amount;
A turning state amount detecting means for detecting a turning state amount representing the turning motion of the vehicle;
An assist hydraulic pressure that determines a first assist hydraulic pressure reference amount in the first hydraulic piping and a second assist hydraulic pressure reference amount in the second hydraulic piping based on the detected braking operation amount. A reference amount determination means;
The first state is detected when the braking start turning state amount detected as the turning state amount at the start of the braking operation by the driver is greater than or equal to a first predetermined value, and the braking start turning state amount is the first amount. A state discriminating means for detecting the second state when it is less than a predetermined value;
When the first state is detected, based on the detected turning state amount, the two wheel braking devices or turning outer front wheels corresponding to the left and right front wheels of the first and second hydraulic pipes. And the first assist hydraulic pressure target amount in one hydraulic pipe connected to the two wheel braking devices corresponding to the turning inner rear wheel, out of the determined first and second assist hydraulic pressure reference amounts The value is determined to be equal to one assist hydraulic pressure reference amount corresponding to the one hydraulic pipe, and the second assist hydraulic pressure target amount in the other hydraulic pipe among the first and second hydraulic pipes is determined. Is determined to be equal to the other assist hydraulic pressure reference amount of the determined first and second assist hydraulic pressure reference amounts, and the detected turning state amount is detected when the second state is detected. The first assist hydraulic pressure target amount is less than the one assist hydraulic pressure reference amount. And it determines to a assisting pressure target amount determining means for determining the second assisting pressure target amount than assisting pressure reference amount of the other,
Pressure adjusting means for adjusting the assist hydraulic pressure in each of the one and the other hydraulic pipes to match the determined first and second assist hydraulic pressure target amounts, respectively;
A vehicle braking control apparatus comprising:
前記助勢液圧目標量決定手段は、
前記検出された制動操作量に基づいて、前記第１、第２の液圧配管における安定化基礎液圧量を、前記検出された制動操作量がゼロよりも大きい所定操作量以下ではゼロに決定するとともに同制動操作量が同所定操作量よりも大きい場合にゼロよりも大きい値に決定する安定化基礎液圧量決定手段と、
前記第１の状態が検出された場合、前記一方の液圧配管における第１の安定化液圧量及び前記他方の液圧配管における第２の安定化液圧量をゼロに決定し、前記第２の状態が検出された場合、前記第１の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態量に基づいて得られるゼロ以下の係数を乗じて得られる値に決定するとともに、前記第２の安定化液圧量を前記決定された安定化基礎液圧量に前記検出された旋回状態に基づいて得られるゼロ以上の係数を乗じて得られる値に決定する安定化液圧量決定手段と、
を備え、
前記助勢液圧目標量決定手段は、
前記第１の助勢液圧目標量を、前記一方の助勢液圧基準量に前記第１の安定化液圧量を加算して得られる値に決定し、前記第２の助勢液圧目標量を、前記他方の助勢液圧基準量に前記第２の安定化液圧量を加算して得られる値に決定するように構成された車両用制動制御装置。 The vehicle brake control device according to claim 7,
The assist hydraulic pressure target amount determining means includes:
Based on the detected braking operation amount, the stabilized basic hydraulic pressure amount in the first and second hydraulic pipes is determined to be zero when the detected braking operation amount is less than a predetermined operation amount greater than zero. And a stabilizing basic hydraulic pressure amount determining means for determining a value larger than zero when the braking operation amount is larger than the predetermined operation amount,
When the first state is detected, the first stabilizing hydraulic pressure amount in the one hydraulic piping and the second stabilizing hydraulic pressure amount in the other hydraulic piping are determined to be zero, When the state of 2 is detected, the first stabilization hydraulic pressure amount is obtained by multiplying the determined stabilization basic hydraulic pressure amount by a coefficient of zero or less obtained based on the detected turning state amount. And a value obtained by multiplying the second stabilized hydraulic pressure amount by the coefficient of zero or more obtained based on the detected turning state to the second stabilized hydraulic pressure amount. A stabilizing hydraulic pressure determining means for determining;
With
The assist hydraulic pressure target amount determining means includes:
The first assist hydraulic pressure target amount is determined to be a value obtained by adding the first stabilizing hydraulic pressure amount to the one assist hydraulic pressure reference amount, and the second assist hydraulic pressure target amount is set as the second assist hydraulic pressure target amount. The vehicle braking control device is configured to determine a value obtained by adding the second stabilizing hydraulic pressure amount to the other assist hydraulic pressure reference amount.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007118103A JP5098419B2 (en) | 2007-04-27 | 2007-04-27 | Brake control device for vehicle |
| US12/100,217 US8332113B2 (en) | 2007-04-16 | 2008-04-09 | Brake control apparatus for vehicle |
| DE102008001131A DE102008001131A1 (en) | 2007-04-16 | 2008-04-11 | Brake control device for a vehicle |
| DE102008064752.7A DE102008064752B3 (en) | 2007-04-16 | 2008-04-11 | Brake control device for a vehicle |
| CN 200810089382 CN101289084B (en) | 2007-04-16 | 2008-04-15 | Brake control apparatus for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007118103A JP5098419B2 (en) | 2007-04-27 | 2007-04-27 | Brake control device for vehicle |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008273349A JP2008273349A (en) | 2008-11-13 |
| JP2008273349A5 true JP2008273349A5 (en) | 2010-03-11 |
| JP5098419B2 JP5098419B2 (en) | 2012-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007118103A Expired - Fee Related JP5098419B2 (en) | 2007-04-16 | 2007-04-27 | Brake control device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5098419B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10119744A (en) * | 1996-10-22 | 1998-05-12 | Nippon Abs Ltd | Vehicular braking device |
| JP3493930B2 (en) * | 1997-01-29 | 2004-02-03 | 株式会社デンソー | Braking force control device |
| JPH1134831A (en) * | 1997-05-21 | 1999-02-09 | Denso Corp | Brake control device |
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2007
- 2007-04-27 JP JP2007118103A patent/JP5098419B2/en not_active Expired - Fee Related
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