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    • 1. 发明授权
    • Auxiliary steering system for wheeled vehicle
    • 轮式车辅助转向系统
    • US4878557A
    • 1989-11-07
    • US318470
    • 1989-02-28
    • Yasuji ShibahataYukio FukunagaYasumasa TsubotaTakaaki UnoYuji Okuyama
    • Yasuji ShibahataYukio FukunagaYasumasa TsubotaTakaaki UnoYuji Okuyama
    • B62D6/02B62D6/00B62D6/04B62D7/14B62D7/15B62D101/00B62D111/00B62D113/00G05D1/08
    • G05D1/0891B62D7/159
    • In addition to a conventional steering system for steering a vehicle through the front wheels in accordance with an angular displacement of the steering wheel, the vehicle is equipped with a negative feedback steering control system which steers the vehicle through the front or rear wheels in accordance with an instantaneous yaw rate of the vehicle. The feedback system has a vehicle behavior sensor for sensing the yaw rate, and an control circuit which determines an actual quantity which is equal to the yaw rate or a linear combination of the yaw rate and the time derivative of the yaw rate and a reference quantity which is a function of the angular displacement and the vehicle speed, so designed as to be approximately equal to the yaw rate if there is no disturbance. The control circuit produces a feedback signal proportional to a difference between the actual quantity multiplied by a first coefficient and the reference quantity multipled by a second coefficient. In response to the feedback signal, an actuator corrects the direction of the front or rear wheels in such a direction as to reduce the yaw rate. A lateral acceleration of the vehicle may be used in place of the yaw rate.
    • 除了根据方向盘的角位移通过前轮转向车辆的常规转向系统之外,车辆配备有负反馈转向控制系统,其通过前轮或后轮转向车辆,根据 车辆的瞬时偏航率。 反馈系统具有用于感测偏航率的车辆行为传感器,以及控制电路,其确定等于偏航率的偏航率或偏航率与横摆率的时间导数的线性组合的实际量,以及参考量 其是角位移和车速的函数,如果没有干扰,则被设计为近似等于横摆率。 控制电路产生与实际量乘以第一系数和乘以第二系数的参考量之间的差成比例的反馈信号。 响应于反馈信号,致动器沿着减小横摆率的方向校正前轮或后轮的方向。 可以使用车辆的横向加速度来代替偏航率。
    • 2. 发明授权
    • Wire-cut electric discharge machine
    • 线切割放电机
    • US4689457A
    • 1987-08-25
    • US878837
    • 1986-06-12
    • Shunzo IzumiyaYuji OkuyamaMasaya Ito
    • Shunzo IzumiyaYuji OkuyamaMasaya Ito
    • B23H7/02B23H3/00B23H7/10B23H1/02B23H7/04
    • B23H7/10B23H3/00
    • A wire-cut electric discharge machine, which displays a workable time (T) of a currently used wire electrode (2). A wire length when the wire is mounted on a bobbin (B1) and a wire feed speed are input through a manual input unit (7) and are stored in memory (6). During working (i.e., machining), a CPU (5) calculates a new, remaining wire length (L) from the wire length when the wire is mounted on the bobbin or a remaining wire length (L) and a wire feed speed (V) for predetermined time periods (step S1). A workable time (T) is calculated from the new, remaining wire length (L) and the wire feed speed (V) by the CPU (5), and is displayed by a display unit (8) (steps S2 and S3).
    • PCT No.PCT / JP85 / 00564 Sec。 371日期:1986年6月12日 102(e)日期1986年6月12日PCT提交1985年10月11日PCT公布。 第WO86 / 02299号公报 日期:1986年04月24日。一种线切割放电机,其显示当前使用的线电极(2)的可工作时间(T)。 通过手动输入单元(7)输入电线安装在线轴(B1)上的导线长度和送丝速度,并存储在存储器(6)中。 在加工(即加工)期间,CPU(5)在将线安装在线轴上时的线长度或剩余线长度(L)和送丝速度(V)中计算新的剩余线长度(L) )预定时间段(步骤S1)。 根据CPU(5)的新的剩余电线长度(L)和送丝速度(V)计算可行时间(T),并由显示单元(8)显示(步骤S2和S3)。
    • 9. 发明授权
    • Electric discharge machining power source
    • 放电加工电源
    • US4590353A
    • 1986-05-20
    • US704318
    • 1985-02-08
    • Haruki ObaraShunzo IzumiyaYuji OkuyamaAkihiro Sakurai
    • Haruki ObaraShunzo IzumiyaYuji OkuyamaAkihiro Sakurai
    • B23H1/02
    • B23H1/022B23H2300/20
    • In an electric discharge machining power source having a capacitor discharge circuit with a switching element, charging of a capacitor is stopped through an OR gate (G1), a NOR gate (G2) and a preamplifier (A1) in response to an output from a charge voltage detecting circuit (1) for generating the output when a charge voltage across the capacitor exceeds a reference voltage. At the same time, the switching element is turned on through a preamplifier (A2). The switching element is kept on through the OR gate (G1) and the preamplifier (A2) until a discharge current detecting circuit (4) detects the discharge current and stops generating the output. When the capacitor is completely discharged, the switching element is turned off. When a predetermined period of time has elapsed under the control of a monostable multivibrator (3), the capacitor is recharged.
    • PCT No.PCT / JP84 / 00321 Sec。 371日期1985年2月8日第 102(e)日期1985年2月8日PCT Filed 1984年6月19日PCT公布。 出版物WO85 / 00128 1985年1月17日,在具有开关元件的电容放电电路的放电加工电源中,电容器的充电通过或门(G1),或非门(G2)和前置放大器(A1)停止, 响应来自用于在电容器两端的充电电压超过参考电压时产生输出的充电电压检测电路(1)的输出。 同时,开关元件通过前置放大器(A2)导通。 开关元件通过OR门(G1)和前置放大器(A2)保持,直到放电电流检测电路(4)检测到放电电流并停止产生输出。 当电容器完全放电时,开关元件断开。 当在单稳态多谐振荡器(3)的控制下经过预定时间段时,电容器被再充电。