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    • 41. 发明申请
    • Injection device of injection molding machine
    • 注塑机注塑装置
    • US20070042068A1
    • 2007-02-22
    • US11450297
    • 2006-06-12
    • Koichi NishimuraKoji ShimaYasuo Naito
    • Koichi NishimuraKoji ShimaYasuo Naito
    • B29C45/76
    • B29C45/5008B29C2045/5032B29C2045/5056
    • An outer ring of a load cell is mounted on a pusher plate. A rotation transmission member mounting portion is extended from an inner ring of the load cell, and a rotation transmission member connected to an injection screw is supported by the rotation transmission member mounting portion through a bearing. A resin pressure applied to the injection screw is applied to the inner ring of the load cell through the rotation transmission member and the rotation transmission member mounting portion, and the distortion generating portion is distorted to detect the resin pressure. A rotation deflection of the bearing generated when the rotation transmission member is rotated by external power is absorbed by the thin portion (necking portion) formed on the rotation transmission member mounting portion.
    • 称重传感器的外圈安装在推板上。 旋转传递构件安装部分从测力传感器的内环延伸,并且连接到注射螺杆的旋转传递构件通过轴承被旋转传递构件安装部分支撑。 施加到注射螺杆的树脂压力通过旋转传递构件和旋转传递构件安装部分被施加到测力传感器的内圈,并且变形产生部分变形以检测树脂压力。 当旋转传递构件通过外部动力旋转时产生的轴承的旋转偏转被形成在旋转传递构件安装部分上的薄部(颈缩部))吸收。
    • 43. 发明授权
    • Method of controlling acceleration/deceleration time constants for robot
    • 控制机器人加减速时间常数的方法
    • US5708342A
    • 1998-01-13
    • US757340
    • 1996-11-27
    • Ryo NiheiYasuo NaitoTakeshi OkadaTamotsu Sakai
    • Ryo NiheiYasuo NaitoTakeshi OkadaTamotsu Sakai
    • G05B19/416G05B13/00
    • G05B19/416G05B2219/43046
    • The invention is directed to a method of controlling acceleration and deceleration time constants for a robot wherein the acceleration and deceleration time constants of a servo motor are each set at an optimum value based on the amount of movement, load, etc., thereby achieving a reduction in the operation time of the robot. The control method controls the operation of the robot while setting the acceleration and deceleration time constants at optimum values for each block instruction, and comprises the following five stages: the first stage comprising determining from the distance to the target position whether or not the speed will reach the taught speed (S1), setting the taught speed as velocity V if it is determined that the speed will reach the taught speed (S2), otherwise obtaining an ultimate velocity (S3) and setting the obtained ultimate velocity as velocity V (S4); the second stage comprising obtaining an output torque corresponding to the velocity V from a velocity-torque curve (S5); the third stage comprising obtaining an acceleration torque and a deceleration torque by subtracting a static load torque from the output torque (S6); the fourth stage comprising obtaining the magnitude of acceleration for acceleration and for deceleration (S7); and the fifth stage comprising obtaining an acceleration time constant and a deceleration time constant from the magnitudes of acceleration and the velocity V (S8), and then determining the largest acceleration time constant and largest deceleration time constant in absolute value terms or determining the optimum acceleration time constant and deceleration time constant for each individual axis (S9).
    • 本发明涉及一种用于控制机器人的加速和减速时间常数的方法,其中伺服电动机的加速和减速时间常数基于运动量,负载等被设置在最佳值,从而实现 减少机器人的运行时间。 控制方法控制机器人的操作,同时将加速和减速时间常数设置为每个块指令的最佳值,并包括以下五个阶段:第一阶段包括从到目标位置的距离确定速度是否 达到教导速度(S1),如果确定速度达到教导速度(S2),则将教导速度设置为速度V,否则获得最终速度(S3),并将获得的极限速度设置为速度V(S4 ); 第二级包括从速度 - 转矩曲线获得对应于速度V的输出转矩(S5); 第三级包括通过从输出转矩减去静态负载转矩来获得加速转矩和减速转矩(S6); 第四级包括获得用于加速度和减速度的加速度的大小(S7); 并且第五级包括从加速度和速度V的大小获得加速时间常数和减速时间常数(S8),然后确定绝对值项中的最大加速时间常数和最大减速时间常数或确定最佳加速度 时间常数和减速时间常数(S9)。
    • 44. 发明授权
    • Apparatus for protecting automobile against unauthorized operation
    • 用于保护汽车免受未经授权的操作的装置
    • US5708308A
    • 1998-01-13
    • US646926
    • 1996-05-08
    • Kazuyori KatayamaYasuo Naito
    • Kazuyori KatayamaYasuo Naito
    • E05B49/00B60R25/04B60R25/24F02N15/00G08B13/00H04L9/32
    • B60R25/04B60R25/00
    • An antitheft apparatus for an automobile includes an engine starting key storing an identification code allocated inherently, a code reading circuit for reading out the identification code from the engine starting key inserted in a key cylinder installed on the automobile, a code collating circuit for collating the identification code supplied from the code reading circuit with a verification code stored previously, and an engine start decision circuit for enabling engine starting operation when the identification code coincides with the verification code, while upon occurrence of a discrepancy between the identification code and the verification code, for enabling the engine starting operation only when a door or accelerator pedal of the automobile is actuated in a predetermined manner. The automobile can be operated even when the key is lost or damaged and the identification code is unavailable.
    • 一种用于汽车的防盗装置包括存储本机分配的识别码的发动机起动钥匙,用于从插入安装在汽车上的钥匙筒中的发动机起动钥匙读出识别码的代码读取电路,用于对准 从代码读取电路提供的识别代码具有先前存储的验证码,以及引擎启动判定电路,用于当识别码与验证码一致时,使发动机起动操作发生,同时在识别码和验证码之间出现差异 用于仅当汽车的门或加速器踏板以预定的方式被致动时才允许发动机起动操作。 即使钥匙丢失或损坏,并且识别码不可用,也可以运行汽车。
    • 46. 发明授权
    • Abnormal load detection method
    • 异常负载检测方法
    • US5493192A
    • 1996-02-20
    • US84181
    • 1993-06-28
    • Ryo NiheiYasuo NaitoKazuhisa OtsukaTetsuaki KatoHideki Sugiyama
    • Ryo NiheiYasuo NaitoKazuhisa OtsukaTetsuaki KatoHideki Sugiyama
    • B23K11/25B25J9/16B25J9/18B25J19/06G05D3/00G05D17/02G05B19/416
    • B25J19/06B23K11/252B25J9/1674
    • A method for accurately detecting an abnormal load caused, e.g., by adhesion of the distal end of a spot gun. A flag F2 is set to "1" when a move command is outputted to move a movable part of a machine and is reset to "0" upon lapse of a predetermined very short period of time, and, while the flag F2 remains "0" during stoppage of the movable part, a disturbance torque T0, estimated by a disturbance estimation observer, is stored and successively updated. When a move command is thereafter outputted, and the flag F2 is set to "1", an estimated disturbance torque T1 is obtained, and if the absolute value .vertline.T1-T0.vertline. of the difference between the disturbance torque T1 and the disturbance torque T0, estimated immediately before the movable part is moved, is greater than a reference value Ts, it is determined that an abnormal load is applied, whereupon an alarm is outputted, a flag F1 is set to "1", and the motion is stopped. The disturbance torque T0 estimated during stoppage indicates a value of the load then acting on the movable part, such as gravity. Consequently, the value .vertline.T1-T0.vertline. represents a disturbance torque during movement of the movable part, which is free from the influence of gravity, and a comparison between this value and the reference value Ts permits accurate detection of a force acting on the movable part, not including gravity or frictional force, whereby the occurrence of adhesion or the like can be accurately detected.
    • PCT No.PCT / JP92 / 01391 Sec。 371日期:1993年6月28日 102(e)日期1993年6月28日PCT提交1992年10月10日PCT公布。 出版物WO93 / 08958 日期:1993年5月13日。一种用于准确地检测异常载荷的方法,例如通过点枪的远端的粘附而引起。 当输出移动指令以移动机器的可移动部分时,标志F2被设置为“1”,并且在经过预定的非常短的时间段后被重置为“0”,并且当标志F2保持为“0” “在可动部件的停止期间,由干扰估计观察者估计的干扰转矩T0被存储并依次更新。 此后,当输出移动指令并且将标志F2设定为“1”时,获得估计的干扰转矩T1,如果绝对值| T1-T0 | 在可移动部分移动之前估计的干扰转矩T1和干扰转矩T0之间的差异大于参考值Ts,确定施加异常负载,从而输出报警,标志F1 被设定为“1”,停止运动。 在停止期间估计的扰动转矩T0表示随后作用在可动部分上的负载的值,例如重力。 因此,值| T1-T0 | 表示可移动部件的移动期间的干扰转矩,其不受重力的影响,并且该值与参考值Ts之间的比较允许精确地检测作用在可移动部件上的力,不包括重力或摩擦力, 从而可以精确地检测粘附等的发生。
    • 47. 发明授权
    • Balancer device for a robot arm
    • 机器人手臂的平衡装置
    • US5415057A
    • 1995-05-16
    • US140077
    • 1993-11-04
    • Ryo NiheiYasuo NaitoTakeshi OkadaTsutomu Miyagawa
    • Ryo NiheiYasuo NaitoTakeshi OkadaTsutomu Miyagawa
    • B25J19/00B25J18/00B66C23/72
    • B25J19/0012Y10T16/82Y10T74/20305
    • A balancer device for balancing the moment generated by gravity on a robot arm, which is mounted at the one end thereof for rotation about a rotation axis and having an articulation on the opposite end, comprises a fluid-pressure operated spring means (7), an attachment portion (6) provided on the robot arm near the articulation, a tension transmitting member (2) for applying tension to the robot arm (1) by cooperation with the fluid-pressure operated spring means (7), and a plurality of guide means (3, 4, 5) provided for rotation extending and guiding the tension transmitting member (2). The tension transmitting member (2) is extended so as to pass the plurality of guide means (3, 4, 5) and the attachment portion (6), and to apply tension to the robot arm (1), whereby the balancer device balances the moment by gravity on the robot arm (1).
    • PCT No.PCT / JP93 / 00256 Sec。 371日期:1993年11月4日 102(e)日期1993年11月4日PCT 1993年3月1日PCT公布。 公开号WO93 / 17839 日期:1993年9月16日。一种用于平衡由机器人手臂上的重力产生的力矩的平衡装置,该机械手臂的一端安装在其一端围绕旋转轴线旋转并且在相对端具有铰接,包括流体压力 操作弹簧装置(7),设置在机器人臂附近的连接部分上的附接部分(6),用于通过与流体压力操作的弹簧装置(...)协作来向机器人臂(1)施加张力的张力传递部件 7),以及多个引导装置(3,4,5),其设置用于旋转延伸和引导张力传递部件(2)。 张力传递构件(2)延伸以使多个引导装置(3,4,5)和附接部分(6)通过,并且向机械手臂(1)施加张力,由此平衡装置平衡 在机器人手臂(1)上的重力的时刻。
    • 49. 发明授权
    • Method of detecting a collision of machine operating parts driven by
servomotors
    • 检测伺服电机驱动的机器操作部件碰撞的方法
    • US5119006A
    • 1992-06-02
    • US432743
    • 1989-10-25
    • Nobutoshi ToriiYasuo NaitoMasayuki HamuraTetsuaki Kato
    • Nobutoshi ToriiYasuo NaitoMasayuki HamuraTetsuaki Kato
    • B25J9/16B25J19/06G05B19/19G05D1/02
    • B25J19/06B25J19/063B25J9/1676
    • A collision detecting method is provided which is capable of promptly detecting a collision of robot operating parts driven by servomotors, e.g., robot arms, with a foreign object. Prompt detection of such collisions aids in preventing or limiting damage to a machine, etc. by the collision. A digital signal processor of an axis controller (2) of FIG. 1, as part of a software servo system, calculates a velocity command and a torque command in accordance with a movement command supplied from a main computer (1), to periodically carry out servo control for individual axes of the robot. The digital signal processor also determines whether the torque command or a velocity deviation between the velocity command and an actual velocity of a servomotor (13b) is greater than a respective predetermined value. When the torque command or velocity deviation becomes greater than the respective predetermined value, the collision detecting method determines that a collision of the robot operating part (13a) with a foreign object or the like has occurred, and the operation of the servomotor is stopped.
    • PCT No.PCT / JP89 / 00245 Sec。 371日期:1989年10月25日 102(e)日期1989年10月25日PCT 1989年3月7日PCT公布。 出版物WO89 / 08538 日期:1989年9月21日。提供了一种碰撞检测方法,其能够及时检测由伺服电动机(例如机器人手臂)驱动的机器人操作部件与异物的碰撞。 快速检测这种碰撞有助于防止或限制碰撞对机器等造成的损坏。 图1的轴控制器(2)的数字信号处理器。 如图1所示,作为软件伺服系统的一部分,根据从主计算机(1)提供的移动指令计算速度指令和转矩指令,周期性地对机器人的各个轴进行伺服控制。 数字信号处理器还确定扭矩指令或速度指令与伺服电动机(13b)的实际速度之间的速度偏差是否大于相应的预定值。 当转矩指令或速度偏差大于相应的预定值时,碰撞检测方法确定机器人操作部件(13a)与异物等的碰撞已经发生,并且停止伺服电动机的操作。