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1. 发明授权

US5267162A Anti-skid control system for an automotive vehicle 失效
标题翻译：汽车防滑控制系统
公开(公告)号：US5267162A
公开(公告)日：1993-11-30
申请号：US946776
申请日：1992-09-18
申请人： Hiroyuki Ichikawa , Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
发明人： Hiroyuki Ichikawa , Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
IPC分类号： B60T8/1763 , B60T8/32 , B60T8/34 , B60T8/40 , B60T8/42 , B60T8/70
CPC分类号： B60T8/17636 , B60T8/328 , B60T8/344 , B60T8/4054 , B60T8/4225
摘要： An anti-skid control system for an automotive vehicle is provided with an actuator which is disposed in a hydraulic circuit between a pressure generator and a wheel brake cylinder. The actuator is arranged to control the hydraulic braking pressure applied to the wheel brake cylinder. In response to a wheel speed detected by a wheel speed detector, it is determined in an electronic control unit whether a condition for decreasing the braking pressure is effected. When this condition is effected, the decrease mode is provided in the control unit. When a predetermined period of time lapses after the decrease mode is initiated, the decrease mode is turned to a pressure control mode for applying the braking pressure to prevent the road wheel from being locked. When the condition is not effected during the predetermined period of time after the decrease mode is initiated, the decrease mode is turned to a direct supply mode for directly communicating the pressure generator with the wheel brake cylinder. Consequently, the lack of braking force caused by the delay of timing for decreasing the hydraulic braking pressure due to an erroneous detection of a locking condition of the road wheel on a rough road is effectively prevented.
摘要翻译：一种用于机动车辆的防滑控制系统设置有致动器，该致动器设置在压力发生器和车轮制动缸之间的液压回路中。致动器被布置成控制施加到车轮制动缸的液压制动压力。响应于由车轮速度检测器检测到的车轮速度，在电子控制单元中确定是否实现用于降低制动压力的条件。当该条件成立时，在控制单元中提供减小模式。当在减小模式开始之后经过预定的时间段时，将减小模式转到用于施加制动压力的压力控制模式以防止公路被锁定。当在开始减速模式之后的预定时间段内不影响条件时，减速模式转为用于将压力发生器与车轮制动缸直接连通的直接供给模式。因此，有效地防止了由于在粗糙路面上错误地检测到车轮的锁定状况而导致的用于降低液压制动压力的定时延迟所引起的制动力的不足。

2. 发明授权

US5056354A Road condition monitoring system 失效
标题翻译：道路状况监测系统
公开(公告)号：US5056354A
公开(公告)日：1991-10-15
申请号：US563158
申请日：1990-08-06
申请人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
发明人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
IPC分类号： B60G17/00 , B60G17/018 , B60G23/00 , B60T8/00 , B60T8/172 , B60T8/173 , B60T8/1763 , B60T8/1764 , B60T8/58 , B60W10/00 , B60W10/18 , B60W10/188 , B60W10/22 , G01N19/02 , G01P1/12
CPC分类号： B60T8/1764 , G01N19/02 , G01P1/127
摘要： The invention is directed to an arrangement for monitoring a road condition which determines the coefficient of friction of the road surface on the basis of a signal corresponding to an acceleration of a vehicle detected by an acceleration sensor. The signal is converted into one of at least two predetermined values by conversion means in response to a magnitude of the acceleration every cycle of a predetermined time period. The converted value is summed up by summing means by a predetermined number of consecutive cycles to provide a total value in the last cycle thereof which is stored in memory means. Then, in determination means, one of at least two standard values is selected in response to the condition of increase or decrease of the total value in the present cycle provided by the summing means as compared with the total value in the previous cycle stored in the memory means. And, the total value in the present cycle is compared with the above one of at least two standard values to produce a road condition signal corresponding to a result of comparison which represents the coefficient of friction of the road surface. The present system is applicable to an anti-skid control system for an automotive vehicle.
摘要翻译：本发明涉及一种用于监测道路状况的装置，其根据与由加速度传感器检测到的车辆的加速度相对应的信号确定路面的摩擦系数。响应于每个预定时间周期的加速度的大小，转换装置将信号转换成至少两个预定值中的一个。转换后的值通过加法装置相加预定数量的连续周期，以提供其存储在存储装置中的最后周期中的总值。然后，在确定装置中，响应于由求和装置提供的当前周期中的总值的增加或减少的条件与至少两个标准值中的至少两个标准值中的一个相比，存储在记忆手段并且，将本周期中的总值与至少两个标准值中的上述值进行比较，以产生对应于表示路面的摩擦系数的比较结果的道路状况信号。本系统适用于机动车辆的防滑控制系统。

3. 发明授权

US5046787A Anti-skid control system 失效
标题翻译：防滑控制系统
公开(公告)号：US5046787A
公开(公告)日：1991-09-10
申请号：US563143
申请日：1990-08-06
申请人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
发明人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
IPC分类号： B60T8/172 , B60T8/66
CPC分类号： B60T8/172
摘要： The anti-skid control system is provided with wheel velocity sensors only for the driving wheels and is capable of performing the anti-skid control through its accurate estimation of the vehicle speed and proper compensatory control even when sharp braking occurs immediately upon the release of the accelerator after the occurrence of acceleration slip. The anti-skid control system is capable of starting the anti-skid control with certainty even when the braking operation is not detected because of a failure in the operation of the brake switch. The system is provided with a fluid pressure generating device, a fluid pressure controlling device, a brake operation detecting device, an acceleration detecting device, a wheel velocity detecting device, a braking force controlling device, a first estimated vehicle speed setting device and a second estimated vehicle speed setting device.
摘要翻译：防滑控制系统仅提供用于驱动轮的车轮速度传感器，并且能够通过其对车速的准确估计和适当的补偿控制来执行防滑控制，即使在释放后立即发生急剧制动时加速器发生加速滑动后。即使由于制动开关的操作失败而没有检测到制动操作，防滑控制系统也能够确定地启动防滑控制。该系统设置有流体压力生成装置，流体压力控制装置，制动操作检测装置，加速度检测装置，车轮速度检测装置，制动力控制装置，第一推定车速设定装置和第二估计车速设定装置。

4. 发明授权

US5375918A Anti-skid control system 失效
标题翻译：防滑控制系统
公开(公告)号：US5375918A
公开(公告)日：1994-12-27
申请号：US128757
申请日：1993-09-30
申请人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
发明人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
IPC分类号： B60T8/66 , B60T8/1763 , B60T8/64 , B60T8/70
CPC分类号： B60T8/17636
摘要： The anti-skid control system is capable of performing highly reliable anti-skid control through its accurate estimation of the vehicle speed and proper compensatory control even when sharp braking occurs or in the brake fluid pressure control on road surfaces with a low coefficient of friction likely to cause considerable fluctuations in wheel acceleration. The anti-skid control system is provided with a fluid pressure generating device, a fluid pressure controlling device, a wheel velocity detecting device, a standard speed setting device, a fluid pressure controlling mode setting device which sets either the pressure decrease mode or the pressure hold mode when the wheel velocity declines to a level lower than the standard speed and sets the pressure increase mode when the wheel velocity is equal to or higher than the standard speed. A maximum inflection point detecting device detects the maximum inflection point indicating the maximum value for the shift of the wheel velocity mentioned above from an increase to a decrease when the wheel velocity is not any lower than the standard speed. A fluid pressure controlling mode correcting device switches from the pressure increase mode mentioned above to either the pressure hold mode or the pressure decrease mode when the wheel velocity becomes equal to or higher than the standard speed and also becomes equal to or higher than the wheel velocity at the maximum inflection point.
摘要翻译：防滑控制系统能够通过对车速的准确估计和适当的补偿控制来进行高度可靠的防滑控制，即使在发生急剧制动时或者在具有低摩擦系数的路面上的制动液压力控制引起车轮加速度的相当大的波动。防滑控制系统设置有流体压力生成装置，流体压力控制装置，车轮速度检测装置，标准速度设定装置，设定压力降低模式或压力的流体压力控制模式设定装置当车轮速度下降到低于标准速度的水平时设定保持模式，并且当车轮速度等于或高于标准速度时设定压力增加模式。最大拐点检测装置，当车轮速度不低于标准速度时，检测指示上述车轮速度的最大值从增加到减小的最大拐点。当车轮速度等于或高于标准速度时，流体压力控制模式校正装置从上述压力增加模式切换到压力保持模式或压力降低模式，并且也变得等于或高于车轮速度在最大拐点处。

5. 发明授权

US5280432A Anti-skid brake control system based on acceleration detection 失效
标题翻译：基于加速度检测的防滑制动控制系统
公开(公告)号：US5280432A
公开(公告)日：1994-01-18
申请号：US562991
申请日：1990-08-06
申请人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
发明人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
IPC分类号： B60T8/58 , B60T8/1761 , B60T8/32 , B60T8/34 , B60T8/42 , B60T8/66 , B60T8/60
CPC分类号： B60T8/344 , B60T8/17616 , B60T8/328 , B60T8/4225
摘要： The anti-skid control system is constructed with a brake fluid pressure source for generating brake fluid pressure at high and low levers, a switching valve feeding either high pressure or low pressure to the wheel cylinders, a wheel velocity detecting device sensing the driving wheel rotating speed, an acceleration detecting device detecting the vehicle acceleration and a first arithmetic operation device for finding the estimated vehicle speed and the wheel rotating acceleration based on the wheel velocity detected by the wheel velocity detecting device and the vehicle body acceleration detected by the acceleration detecting device. A brake fluid pressure controlling device is provided for increasing, decreasing or maintaining the brake fluid pressure in the wheel cylinders, controlling the switching valve on the basis of wheel velocity, estimated vehicle speed, and wheel rotating acceleration. A second arithmetic operation device marks the minimum and maximum values in the wheel velocity after a brake fluid pressure reduction based on the wheel velocity detected by the wheel velocity detecting device calculates the recovery acceleration in the wheel velocity in the shift from the minimum value to the maximum value and compares the recovery acceleration with the set value. A vehicle acceleration correcting device corrects the vehicle body acceleration detected by the acceleration detecting device so as to set the vehicle body acceleration at a smaller value in case the recovery acceleration is less than the set value.
摘要翻译：防滑控制系统由制动液压源构成，用于在高低杆处产生制动液压，向轮缸供给高压或低压的切换阀;轮速检测装置，用于感测驱动轮旋转速度，检测车辆加速度的加速度检测装置和用于根据由车轮速度检测装置检测的车轮速度和由加速度检测装置检测到的车体加速度来求出车速和车轮旋转加速度的第一算术运算装置。提供制动液压力控制装置，用于增加，减少或维持轮缸中的制动液压，根据车轮速度，估计车速和车轮转速加速度来控制切换阀。第二算术运算装置在基于由车轮速度检测装置检测出的车轮速度的制动液压降低后的车轮速度中标记最小值和最大值，计算从最小值到最小值的车轮速度的恢复加速度最大值，并将恢复加速度与设定值进行比较。车辆加速度校正装置校正由加速度检测装置检测到的车体加速度，以便在恢复加速度小于设定值的情况下将车身加速度设定为较小的值。

6. 发明授权

US5210693A Anti-skid control system 失效
标题翻译：防滑控制系统
公开(公告)号：US5210693A
公开(公告)日：1993-05-11
申请号：US562992
申请日：1990-08-06
申请人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
发明人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Nobuyasu Nakanishi , Tatsuo Sugitani , Kazunori Sakai
IPC分类号： B60T8/172 , B60T8/175 , B60T8/1761 , B60T8/58 , B60T8/66
CPC分类号： B60T8/175
摘要： The anti-skid control system is provided with wheel velocity sensors only for the driving wheels and yet is capable of performing the anti-skid control through its accurate estimation of the vehicle speed and proper compensatory control even when sharp braking occurs immediately upon the release of the accelerator after the occurrence of acceleration slip. The anti-skid control system is capable of starting the anti-skid control with certainty even when the braking operation is not detected because of a failure in the operation of the brake switch. The system is provided with a fluid pressure generating device, a fluid pressure controlling device, a brake operation detecting device, an acceleration detecting device, a wheel velocity detecting device, a braking force controlling device, a brake force correcting device and an acceleration slip detecting device.
摘要翻译：防滑控制系统仅提供用于驱动轮的车轮速度传感器，并且能够通过其对车速的准确估计和适当的补偿控制来执行防滑控制，即使在释放后立即发生急剧制动时加速器发生加速滑动后。即使由于制动开关的操作失败而没有检测到制动操作，防滑控制系统也能够确定地启动防滑控制。该系统设置有流体压力生成装置，流体压力控制装置，制动操作检测装置，加速度检测装置，车轮速度检测装置，制动力控制装置，制动力校正装置和加速滑移检测设备。

7. 发明授权

US5116109A Anti-skid control system for an automotive vehicle 失效
标题翻译：汽车防滑控制系统
公开(公告)号：US5116109A
公开(公告)日：1992-05-26
申请号：US630182
申请日：1990-12-19
申请人： Kazutaka Kuwana , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Kuniaki Okamoto , Satoshi Itabashi
发明人： Kazutaka Kuwana , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Kuniaki Okamoto , Satoshi Itabashi
IPC分类号： B60T8/58 , B60T8/1761 , B60T8/34 , B60T8/66
CPC分类号： B60T8/17613 , B60T8/348
摘要： The invention is directed to an anti-skid control system for controlling a braking force applied to a road wheel with a hydraulic braking pressure supplied to a wheel brake cylinder through a pressure control valve controlled by an electronic controller. On the basis of a wheel speed of the road wheel detected by a wheel speed sensor, the controller calculates an estimated vehicle speed and sets a reference speed on the basis thereof. In the controller, the wheel speed is compared with the reference speed, and in response to a result of comparison the hydraulic pressure supplied to the wheel brake cylinder is controlled by the pressure control valve. Through an adjustment by the controller, the hydraulic braking pressure is decreased in response to a change of difference between the wheel speed and the estimated vehicle speed for a certain period of time. The controller may be arranged to calculate an integrated value of the difference between the wheel speed and the estimated vehicle speed, to compare a value which is obtained by subtracting the integrated value from the wheel speed, with the reference speed, and to decrease the hydraulic pressure in the wheel brake cylinder in response to the result of comparison.
摘要翻译：本发明涉及一种防滑控制系统，用于通过由电子控制器控制的压力控制阀，以提供给车轮制动缸的液压制动压力来控制施加到车轮的制动力。基于由车轮速度传感器检测到的车轮的车轮速度，控制器基于此计算车速并设定基准速度。在控制器中，将车轮速度与参考速度进行比较，并且响应比较结果，通过压力控制阀控制供应到车轮制动缸的液压。通过控制器的调节，液压制动压力响应于车轮速度与估计车速之间的差异的变化而减少一段时间。控制器可以被布置为计算车轮速度和估计车速之间的差的积分值，以将通过从车轮速度减去积分值而获得的值与参考速度进行比较，并且将液压响应于比较结果，车轮制动液压缸的压力。

8. 发明授权

US5236255A Anti-skid control system having dual pressure increase modes 失效
标题翻译：具有双重增压模式的防滑控制系统
公开(公告)号：US5236255A
公开(公告)日：1993-08-17
申请号：US777610
申请日：1991-10-16
申请人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Satoshi Itabashi
发明人： Kazutaka Kuwana , Kuniaki Okamoto , Tsuyoshi Yoshida , Hiroyuki Ichikawa , Masaru Kamikado , Satoshi Itabashi
IPC分类号： B60T8/1761 , B60T8/50 , B60T8/66
CPC分类号： B60T8/50 , B60T8/17616
摘要： The invention is directed to an arrangement for controlling a braking force applied to a road wheel, with a hydraulic braking pressure supplied to a wheel brake cylinder through an actuator. A standard speed is set on the basis of a wheel speed detected by a wheel speed sensor, and a peak of the wheel speed changing from increase thereof to decrease thereof is detected. A coefficient of friction of road surface is determined on the basis of a vehicle acceleration detected by an acceleration sensor. The actuator is controlled according to a pressure control mode selected from a decrease mode for decreasing the pressure, a hold mode for holding the pressure, a first increase mode for increasing the pressure when the wheel speed exceeds the standard speed, and a second increase mode for increasing the pressure when the wheel speed exceeds the peak of the wheel speed. The first increase mode is selected when the coefficient of friction exceeds a predetermined value and the standard speed exceeds a predetermined speed. The second increase mode is selected when the standard speed is lower than the predetermined speed.
摘要翻译：本发明涉及一种用于控制施加到车轮的制动力的装置，其中液压制动压力通过致动器提供给车轮制动缸。基于由车轮速度传感器检测到的车轮速度来设定标准速度，并且检测从增加到减小的车轮速度的峰值。基于由加速度传感器检测到的车辆加速度来确定路面的摩擦系数。根据从减压模式中选择的压力控制模式来控制致动器，用于保持压力的保持模式，当车轮速度超过标准速度时增加压力的第一增加模式，以及第二增加模式用于当车轮速度超过车轮速度的峰值时增加压力。当摩擦系数超过预定值并且标准速度超过预定速度时，选择第一增加模式。当标准速度低于预定速度时，选择第二增加模式。

9. 发明授权

US5845974A Anti-skid control system for an automotive vehicle 失效
标题翻译：汽车防滑控制系统
公开(公告)号：US5845974A
公开(公告)日：1998-12-08
申请号：US523937
申请日：1995-09-06
申请人： Masaru Kamikado , Tadashi Terazawa , Hiroyuki Ichikawa , Yasuhiro Abe
发明人： Masaru Kamikado , Tadashi Terazawa , Hiroyuki Ichikawa , Yasuhiro Abe
IPC分类号： B60T8/48 , B60T8/1761 , B60T8/42 , B60T8/50 , B60T8/58 , B60T8/32
CPC分类号： B60T8/4275 , B60T8/5006
摘要： The present invention is directed to an anti-skid control system which includes a return passage provided for communicating a wheel brake cylinder with an actuator. A pressure pump is disposed in the return passage, and a reservoir is disposed in the return passage at the inlet port's side of the pump. The reservoir stores the brake fluid in the wheel brake cylinder through the actuator to decrease the wheel cylinder pressure. The pump discharges the brake fluid stored in the reservoir into the return passage thereby to gradually increase the wheel cylinder pressure. The amount of brake fluid stored in the reservoir is estimated on the basis of the amount of brake fluid fed into the reservoir and the amount of brake fluid discharged therefrom. The amount of brake fluid fed into the reservoir is estimated on the basis of the wheel cylinder pressure provided when the pressure decreasing operation starts, and in response to the pressure decreasing time. The amount of brake fluid discharged from the reservoir is estimated on the basis of the wheel cylinder pressure set when the gradual pressure increasing operation starts, and in response to the gradual pressure increasing time.
摘要翻译：本发明涉及一种防滑控制系统，其包括用于将车轮制动缸与致动器连通的返回通道。压力泵设置在返回通道中，并且储存器设置在泵的入口侧的返回通道中。油箱通过执行机构将制动液储存在车轮制动液压缸中，以减小轮缸的压力。泵将存储在储存器中的制动液排放到返回通道中，从而逐渐增加轮缸压力。基于供给到储存器中的制动流体的量和从其中排出的制动流体的量，估计存储在储存器中的制动液的量。基于当减压操作开始时提供的轮缸压力，并且响应于压力降低时间来估计供给到储存器中的制动流体的量。基于在逐渐增压操作开始时设定的轮缸压力，并且响应于逐渐的压力增加时间来估计从储存器排出的制动流体的量。

10. 发明申请

US20070085417A1 Apparatus and method for maintaining braking force of vehicle 有权
标题翻译：用于保持车辆制动力的装置和方法
公开(公告)号：US20070085417A1
公开(公告)日：2007-04-19
申请号：US11580923
申请日：2006-10-16
申请人： Masaru Kamikado
发明人： Masaru Kamikado
IPC分类号： B60T8/32
CPC分类号： B60T8/4872 , B60T7/122 , B60T2201/06
摘要： A braking force maintaining apparatus of a vehicle includes a reference braking force setting section, a threshold value setting section, a braking force change rate detecting section, and a change rate determining section. The reference braking force setting section sets, as a reference braking force, a braking force acting on wheels of the vehicle after a reference time has elapsed since stopping of the vehicle. The threshold value setting section sets a threshold value by adding the reference braking force to a predetermined reference value. The braking force change rate detecting section detects a change rate of the braking force acting on the wheels after the threshold value has been set. The change rate determining section determines whether the detected change rate is a negative value. If the detected change rate is a negative value, the reference braking force setting section resets, as the reference braking force, the braking force acting on the wheels after the threshold value has been set, and the threshold value setting section resets the threshold value by adding the reset reference braking force to the reference value.
摘要翻译：车辆的制动力保持装置具有基准制动力设定部，阈值设定部，制动力变化率检测部以及变化率决定部。参考制动力设定部将车辆停止后经过基准时间后，作为基准制动力，设定作用于车辆的车轮的制动力。阈值设定部通过将基准制动力加上预定的基准值来设定阈值。制动力变化率检测部检测到在设定了阈值之后作用在车轮上的制动力的变化率。变化率确定部分确定检测到的变化率是否为负值。如果检测到的变化率为负值，则基准制动力设定部将设定了阈值后的作用在车轮上的制动力作为基准制动力复位，并且阈值设定部通过将复位参考制动力加到参考值。

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