-
1.发明授权
公开(公告)号：US5321407A
公开(公告)日：1994-06-14
申请号：US996825
申请日：1992-12-28
申请人： Hayato Kikuchi , Yasuhiko Fujita , Toshiaki Arai , Yoshikazu Tsuchiya , Makoto Sato , Kunio Nanno
发明人： Hayato Kikuchi , Yasuhiko Fujita , Toshiaki Arai , Yoshikazu Tsuchiya , Makoto Sato , Kunio Nanno
CPC分类号： G01S17/936 , G01S17/88
摘要： In estimating the relative speed between a vehicle and an objective obstacle, a plurality of objective obstacle data are labeled, and an objective obstacle data preestimated on the basis of the past objective data is compared with an objective obstacle newly provided, thereby judging whether or not there is the same obstacle for every label. With regard to the objective obstacle data decided as being the same, the amount of variation in distance is determined for every label by comparison of the last data and the now data and divided by a sampling time to provide a relative speed. Thus, noise data can be eliminated to reliably provide a relative speed between a subject vehicle and an existent objective obstacle.
摘要翻译： 在估计车辆与目标障碍物之间的相对速度时，对多个客观障碍物数据进行标记，并将根据过去的目标数据预先估计的目标障碍物数据与新提供的客观障碍进行比较，从而判断是否 每个标签都有同样的障碍。 对于被确定为相同的目标障碍物数据，通过比较最后的数据和现在的数据，并且除以采样时间以提供相对速度来确定每个标签的距离变化量。 因此，可以消除噪声数据，以可靠地提供本车和现有客观障碍物之间的相对速度。
-
公开(公告)号：US5473538A
公开(公告)日：1995-12-05
申请号：US997969
申请日：1992-12-28
申请人： Yasuhiko Fujita , Toshiaki Arai , Hayato Kikuchi , Yoshikazu Tsuchiya , Makoto Sato , Kunio Nanno
发明人： Yasuhiko Fujita , Toshiaki Arai , Hayato Kikuchi , Yoshikazu Tsuchiya , Makoto Sato , Kunio Nanno
CPC分类号： B60L3/0015 , B60K28/10 , B60K31/0008 , B60T7/22 , G01S13/931 , B60L2240/80 , B60W2520/14 , G01S2013/9321 , G01S2013/9346 , G01S2013/9353 , G01S2013/9375
摘要： A collision judging system for a vehicle comprises a subject vehicle position estimating means for estimating the position of the subject vehicle after a lapse of a preset time from a certain braking start time, on the assumption that the braking is starting at such braking start time, an obstacle position estimating means for estimating the position of an objective obstacle after the lapse of the preset time, and the judging means for judging whether or not the position of the subject vehicle estimated by the subject vehicle position estimating means and the position of the obstacle estimated by the obstacle position estimating means coincide with each other. Thus, the judgment of collision can be performed with the avoidance of the collision by the driver's operation being taken into consideration, leading to an improved feeling of driving operation.
摘要翻译： 车辆的碰撞判断系统包括：目标车辆位置估计装置，用于在假定在该制动开始时刻开始制动的情况下，从特定制动开始时间估计经过预设时间之后的目标车辆的位置， 用于估计经过预设时间之后的客观障碍物的位置的障碍物位置估计装置，以及用于判断由本车辆位置估计装置估计的目标车辆的位置和障碍物的位置的判断装置 由障碍物位置估计装置估计的重合。 因此，可以通过考虑驾驶员的操作而避免碰撞来执行碰撞判断，导致驾驶操作的改善的感觉。
-
公开(公告)号：US5291207A
公开(公告)日：1994-03-01
申请号：US997970
申请日：1992-12-28
申请人： Hayato Kikuchi , Yasuhiko Fujita , Toshiaki Arai , Yoshikazu Tsuchiya , Makoto Sato , Kunio Nanno
发明人： Hayato Kikuchi , Yasuhiko Fujita , Toshiaki Arai , Yoshikazu Tsuchiya , Makoto Sato , Kunio Nanno
CPC分类号： G01S13/931 , B60T13/662 , B60T13/745 , B60T7/22 , G01S2013/9346 , G01S2013/9353 , G01S2013/9375
摘要： In a vehicle equipped with a distance measuring unit capable of measuring a distance between the subject vehicle and an objective obstacle, the objective obstacle is detected along a widthwise direction of the vehicle by the distance measuring unit. Detection data detected by the distance measuring unit are developed on X and Y coordinates in which the widthwise direction of the subject vehicle is represented by an X axis; the longitudinal direction of the subject vehicle is represented by a Y axis, and the position of the subject vehicle is defined as an origin. Each of obstacle data is labeled in such a manner that the same labels are affixed to obstacle data which are in proximity to one another on the coordinates. The amount and direction of movement are calculated for every label on the basis of the last data and the current data, and a relative speed for every label relative to the subject vehicle is calculated by dividing the amount of movement by a sampling time. The position of the objective obstacle after a lapse of a predetermined time is estimated on the basis of a relative speed vector determined from the relative speed and the direction of movement. Thus, the accuracy of estimating of the position of the objective obstacle is improved.
摘要翻译： 在配备有能够测量被摄体与物体障碍物之间的距离的距离测量单元的车辆中，通过距离测量单元沿着车辆的宽度方向检测物体障碍物。 通过距离测量单元检测的检测数据在X和Y坐标上显现，其中本车辆的宽度方向由X轴表示; 本车辆的纵向方向由Y轴表示，将本车辆的位置定义为原点。 每个障碍物数据被标记为使得相同的标签被固定在坐标上彼此接近的障碍物数据。 基于最后的数据和当前数据，针对每个标签计算移动量和移动方向，并且通过将移动量除以采样时间来计算每个标签相对于本车辆的相对速度。 基于从相对速度和移动方向确定的相对速度矢量来估计经过预定时间之后的客观障碍物的位置。 因此，提高了客观障碍物的位置的估计精度。
-
4.发明授权
公开(公告)号：US4494801A
公开(公告)日：1985-01-22
申请号：US425954
申请日：1982-09-28
申请人： Taiji Ohmori , Makoto Sato , Yoshikazu Tsuchiya
发明人： Taiji Ohmori , Makoto Sato , Yoshikazu Tsuchiya
CPC分类号： B60T8/885 , B60T2270/402
摘要： An antilock brake system with separate front- and rear-wheel safety means, in which front-wheel antilock control means and rear-wheel antilock control means are made so operative independently of each other that, when the front-wheel antilock control means for a front wheel generally having a larger proportion of the brake force distributed is troubled in its brake force suppressing state, front-wheel saftey means makes the function of the front-wheel antilock control means wholly ineffective to ensure the brake force to the front wheel whereas, when the rear-wheel antilock control means for a rear wheel generally having a smaller proportion of the brake force distributed is troubled in a state having lost its brake force suppressing function, rear-wheel safety means operates to effect that the brake force to the rear wheel is always stronger than that to the front-wheel thereby to maintain the steering stability of the wheeled vehicle.
摘要翻译： 具有分离的前轮和后轮安全装置的防抱死制动系统，其中前轮防抱死控制装置和后轮防抱死控制装置彼此独立地起作用，当前轮防抱死控制装置 通常具有较大比例的制动力的前轮在其制动力抑制状态下困扰，前轮保护装置使前轮防抱死控制装置的功能完全无效，以确保对前轮的制动力， 当用于后轮的后轮防抱死控制装置通常具有较小比例的制动力分配时，在失去其制动力抑制功能的状态下困扰，后轮安全装置的作用是使制动力到后方 车轮总是比前轮强，从而保持轮式车辆的转向稳定性。
-
公开(公告)号：US4439832A
公开(公告)日：1984-03-27
申请号：US295009
申请日：1981-08-21
申请人： Makoto Sato , Yoshikazu Tsuchiya , Taiji Ohmori
发明人： Makoto Sato , Yoshikazu Tsuchiya , Taiji Ohmori
CPC分类号： B60T8/1764 , B60T8/885
摘要： A method and apparatus for controlling an anti-skid brake in a vehicle, in which an estimated vehicle speed signal is obtained by selecting the higher value signal from wheel speed signals of the front and rear wheels at the left and right side and anti-skid brake devices for the front and rear wheels are independently controlled by independent signals. In this way, the anti-skid brake control can always be performed assuredly while preventing locking of the wheels on slippery roads while also preventing unnecessary anti-skid braking operations at the time of sharp turning. In a modified method and apparatus, control of the anti-skid brake of the rear wheel on the left or right side is effected according to vehicle speed estimated from the speed of a front wheel on the right or left side, whereby gradual locking of the wheels at the time of braking on a slippery road is prevented, and the anti-skid brake control can always be accomplished assuredly and excellent braking effects can always be obtained.
摘要翻译： 一种用于控制车辆中的防滑制动器的方法和装置，其中通过从左侧和右侧的前轮和后轮的车轮速度信号中选择较高值的信号来获得估计的车速信号，并且防滑 前轮和后轮的制动装置由独立的信号独立控制。 以这种方式，防滑制动控制总是能够可靠地执行，同时防止车轮在光滑道路上的锁定，同时也防止在急转弯时不必要的防滑制动操作。 在改进的方法和装置中，根据从右侧或左侧的前轮的速度估计的车速来实现左侧或右侧后轮的防滑制动器的控制，从而逐渐锁定 防止在光滑道路上制动时的车轮，并且可以始终确保地实现防滑制动控制，并且始终可以获得优异的制动效果。
-
公开(公告)号：US4280740A
公开(公告)日：1981-07-28
申请号：US26991
申请日：1979-04-04
IPC分类号： B60T8/1761 , B60T8/40 , B60T8/92 , B60T8/00
CPC分类号： B60T8/4009 , B60T8/17613
摘要： A skid prevention method for reducing braking torque during a wheel lock while braking, using a main control system of an anti-skid brake device regardless of the brake input by the driver. When wheel lock is overcome, reduction of braking torque ceases. When wheel lock lasts more than a preset period without reduction in breaking torque, even when wheel lock results from failure of the main control system, the braking torque is reduced for a preset period through an auxiliary system. If the main control system reduces the braking torque for a period longer than a preset time, braking torque reduction by the main control system may be nullified, and when wheel lock lasts longer than a preset period, the braking torque may be reduced by the auxiliary control system for the preset period. An anti-skid device for carrying out this method has a brake for applying the braking torque to the wheels, a main control system for controlling the brake to reduce braking torque in case of wheel lock. An auxiliary control system replaces the main control system in case of failure of the latter; this auxiliary system has a circuit for detecting wheel lock, and circuit actuated when the wheel lock detector circuit is actuated for more than a preset period.
摘要翻译： 一种防滑方法，用于在制动时减少车轮锁定期间的制动力矩，使用防滑制动装置的主控制系统，而与驾驶员输入的制动器无关。 克服车轮锁时，停止制动转矩的降低。 当车轮锁定持续时间超过预设时间而不降低断开转矩时，即使由于主控制系统故障导致车轮锁定，制动转矩也通过辅助系统降低预设时间。 如果主控制系统在比预定时间长的时间内将制动转矩降低，则主控制系统的制动转矩减小可能无效，而当车轮锁持续时间超过预设期间时，制动转矩可能会被辅助 控制系统为预设时段。 用于执行该方法的防滑装置具有用于向车轮施加制动转矩的制动器，用于在车轮锁定的情况下控制制动器以减小制动转矩的主控制系统。 辅助控制系统在后者失败的情况下取代主控系统; 该辅助系统具有用于检测车轮锁的电路，并且当车轮锁定检测器电路被致动超过预设时段时被起动的电路。
-
公开(公告)号：US4266833A
公开(公告)日：1981-05-12
申请号：US1214
申请日：1979-01-05
申请人： Makoto Sato , Taiji Ohmori , Yoshikazu Tsuchiya
发明人： Makoto Sato , Taiji Ohmori , Yoshikazu Tsuchiya
IPC分类号： B60T8/1761 , B60T8/40 , B60T8/66 , B60T8/70 , B60T8/08
CPC分类号： B60T8/4009 , B60T8/17613
摘要： A method of preventing wheels of a vehicle from skidding in which a wheel-acceleration signal representative of the peripheral acceleration of a wheel is obtained by differentiating a wheel-shaped signal representative of a suitably detected peripheral speed of the wheel. The braking torque applied to the wheel during braking is controlled and held constant when the level of a wheel-acceleration signal is higher than that of a first reference wheel-acceleration signal and lower than that of a second reference wheel-acceleration signal, whereas it is increased when the level of the wheel-acceleration signal is higher than that of the second reference wheel-acceleration signal. A reference wheel-speed signal, representative of a predetermined reference wheel speed, and a reference wheel-deceleration signal are set for comparison with the wheel-speed signal and the wheel-acceleration signal, respectively, and the brake torque is held constant when the level of the wheel-acceleration signal is higher than that of the reference wheel-deceleration signal and lower than that of the second reference wheel-acceleration signal if the level of the wheel-speed signal is lower than that of the reference wheel-speed signal. The brake torque is further controlled to increase when the level of the wheel-acceleration signal is higher than that of the second reference wheel-acceleration signal.
摘要翻译： 一种防止车辆车轮打滑的方法，其中通过对代表车轮的适当检测的圆周速度的车轮形状进行微分来获得代表轮的周向加速度的车轮加速度信号。 当车轮加速度信号的水平高于第一参考轮加速度信号的水平并且低于第二参考轮加速度信号的水平时，在制动期间施加到车轮的制动转矩被控制并保持恒定，而 当车轮加速度信号的水平高于第二参考轮加速度信号的水平时增加。 设定代表预定基准车轮速度的基准车轮速度信号和基准车轮减速信号，分别与车轮速度信号和车轮加速度信号进行比较，当制动转矩信号保持恒定时 如果车轮速度信号的电平低于基准车轮速度信号的水平，则车轮加速度信号的水平高于参考车轮减速信号的水平，并且低于第二参考车轮加速度信号的水平 。 当车轮加速度信号的水平高于第二参考轮加速度信号的水平时，进一步控制制动转矩增加。
-
公开(公告)号：US4446522A
公开(公告)日：1984-05-01
申请号：US198165
申请日：1980-10-16
申请人： Makoto Sato , Taiji Ohmori , Yoshikazu Tsuchiya
发明人： Makoto Sato , Taiji Ohmori , Yoshikazu Tsuchiya
CPC分类号： B60T8/4009 , B60T8/17613
摘要： A method of preventing wheels of a vehicle from skidding, including the steps of detecting the peripheral speed of a wheel and picking it up as a wheel-speed signal, detecting the vehicle speed and setting a reference wheel-speed signal based on the detected vehicle speed, deriving a wheel-acceleration signal from said wheel-speed signal, and setting a reference wheel-deceleration signal for comparison with said wheel-acceleration signal. During braking operation, the brake torque applied to the wheel is controlled such that it is maintained constant to prevent the further increase thereof when the level of the wheel-accleration signal decreases below the level of said wheel-deceleration signal under the condition that the level of said wheel-speed signal is higher than that of said reference wheel-speed signal. On the other hand, if the level of said wheel-speed signal is lower than that of said reference wheel-speed signal, the brake torque is reduced when the level of said wheel-acceleration signal decreases below the level of said reference wheel-deceleration signal. Preferably, in order to make much finer and more accurate control over the brake torque, various reference signals are set for comparison with said vehicle-speed signal, said wheel speed signal and said wheel-acceleration signal, and logical judgements are made on the respective signals. In addition, peripheral speeds of a plurality of wheels are preferably detected and the greatest peripheral speed thereof is used for estimation of said vehicle speed.
摘要翻译： 一种防止车辆的车轮打滑的方法，包括以下步骤：检测车轮的圆周速度并将其作为车轮速度信号拾取，检测车速并基于检测到的车辆设定基准车轮速度信号 从所述车轮速度信号导出车轮加速度信号，并设定用于与所述车轮加速度信号进行比较的基准车轮减速信号。 在制动操作期间，控制施加到车轮的制动转矩，使得当车轮增压信号的水平降低到低于所述车轮减速信号的水平时，其保持恒定以防止其进一步增加， 所述车轮速度信号的速度高于所述基准车轮速度信号。 另一方面，如果所述车轮速度信号的电平低于所述基准车轮速度信号的电平，则当所述车轮加速度信号的电平降低到所述基准车轮减速度的水平时，所述制动转矩减小 信号。 优选地，为了对制动转矩进行更精细和更精确的控制，设定各种参考信号以与所述车速信号，所述车轮速度信号和所述车轮加速度信号进行比较，并且在相应的位置上进行逻辑判断 信号。 此外，优选地检测多个车轮的圆周速度，并且使用其最大圆周速度来估计所述车辆速度。
-
公开(公告)号：US4395761A
公开(公告)日：1983-07-26
申请号：US261142
申请日：1981-05-06
申请人： Makoto Sato , Taiji Ohmori , Yoshikazu Tsuchiya
发明人： Makoto Sato , Taiji Ohmori , Yoshikazu Tsuchiya
IPC分类号： B60T8/173 , B60T8/1763 , B60T8/02
CPC分类号： B60T8/173 , B60T8/17636
摘要： An antiskid brake controlling method and apparatus comprising: comparing by a first comparator and during braking of a vehicle, a wheel speed signal V.sub.w representative of the peripheral speed of a wheel of the vehicle with a first reference wheel speed signal V.sub.R 1 less than a vehicle speed signal V.sub.E and with a second reference wheel speed signal V.sub.R 2 which is less than the first reference wheel speed signal V.sub.R 1; comparing by a second comparator a wheel acceleration signal V.sub.w representative of the peripheral acceleration of the wheel with a first reference wheel acceleration signal V.sub.wl representing a predetermined positive peripheral acceleration of the wheel, a second reference wheel acceleration signal V.sub.w2 greater than the first reference wheel acceleration signal and a reference wheel deceleration signal -V.sub.w3 representative of a predetermined negative peripheral acceleration of the wheel. The comparators are connected through an electrical circuit to solenoids of control valves which regulate flow of pressure fluid to a wheel brake cylinder for selectively counteracting the pressure of brake fluid from a master cylinder to the brake cylinder or maintaining constant pressure in the brake cylinder. The electrical circuit is operative to decrease the braking torque T.sub.B from an instant at which the wheel acceleration signal V.sub.w has dropped below the reference wheel deceleration signal -V.sub.w3 when the wheel speed signal V.sub.w is less than the first reference wheel speed signal V.sub.R 1 but greater than the second reference wheel speed signal V.sub.R 2; to stop the decrease of the braking torque T.sub.B after the wheel acceleration signal V.sub.w comes to increase again, at an instant at which the wheel acceleration signal V.sub.w exceeds the reference wheel deceleration signal -V.sub.w3 ; and also to decrease the braking torque T.sub.B until the wheel acceleration signal V.sub.w increases to exceed the first reference wheel acceleration signal V.sub.wl when the wheel speed signal V.sub.w has dropped below the second reference wheel speed signal V.sub.R 2.
-
公开(公告)号：US4287505A
公开(公告)日：1981-09-01
申请号：US58376
申请日：1979-07-17
申请人： Taiji Ohmori , Makoto Sato , Yoshikazu Tsuchiya
发明人： Taiji Ohmori , Makoto Sato , Yoshikazu Tsuchiya
CPC分类号： B60T8/885 , Y10S303/09
摘要： A trouble diagnosing device of a control circuit for receiving, as input signals, signals containing information on controlled means and producing, as output signals, control signals for controlling the controlled means on the basis of the input signals, includes modulator means for modulating the input signals by means of a modulation signal having a trouble diagnosing discrimination waveform, and a trouble diagnosing circuit for producing an output signal indicating trouble in the control circuit system when the output signals of said control circuit systems produced upon receipt of the input signals modulated by the modulator means, contain an abnormal signal.In an embodiment of the invention, the modulator means modulate input signals by means of a trouble diagnosing modulation signal having such a small pulse width that electromagnetic actuators for controlling the controlled means are not able to respond thereto.In another embodiment of the invention, the trouble diagnosing circuit is equipped with a circuit for producing a discrimination waveform signal solely depended on the starting points of the discrimination waveforms of the modulation signals and on the starting points of the discrimination waveforms of the control signals so that trouble in the control circuit system having various waveform signals can be diagnosed without being restricted by waveforms subsequent to the starting points of the modulation signals and control signals.
摘要翻译： 控制电路的故障诊断装置作为输入信号接收包含受控装置的信息的信号，并根据输入信号产生用于控制受控装置的控制信号作为输出信号，包括用于调制输入的调制装置 通过具有诊断鉴别波形的故障的调制信号的信号，以及当接收到由所述控制电路系统调制的输入信号接收到的所述控制电路系统的输出信号时，产生指示故障的输出信号的故障诊断电路 调制器装置包含异常信号。 在本发明的实施例中，调制器装置通过故障诊断具有如此小的脉冲宽度的调制信号来调制输入信号，用于控制被控制装置的电磁执行器不能响应于此。 在本发明的另一个实施例中，故障诊断电路配备有仅产生鉴别波形信号的电路，该鉴别波形信号仅取决于调制信号的鉴别波形的起始点和控制信号的鉴别波形的起点 可以在不受调制信号和控制信号的起始点之后的波形的限制的情况下诊断具有各种波形信号的控制电路系统中的故障。
-
-
-
-
-
-
-
-
-
搜索结果
27 条记录 (耗时 0.026 秒)
