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    • 5. 发明专利
    • POLYGONAL LINE APPROXIMATION SYSTEM
    • JPS55118144A
    • 1980-09-10
    • JP2446279
    • 1979-03-05
    • HITACHI LTD
    • ISHIDA MASAHIROSHIRAGAKI TAKAMICHI
    • G06F7/544
    • PURPOSE:To obtain the optimum answer in the easy way by obtaining the equation of the polygonal line with just input of the data set and the necessary accuracy into the computer. CONSTITUTION:Reference setting part 1 sets the lower limit value of the section where the rectilinear approximation is carried out as the reference point, and the lower limit value of the full sections of the polygonal line approximation is adapted to the initial value. For the new reference point, the new start point is set at the point added last when the error about the straight line obtained becomes outside the necessary accuracy at either extracted point. At data extraction part 2. point M is selected in sequence from the reference point, and here the initial value of M is set to 3. And the value of M is increased by 1 when the error about the obtained straight line is within the necessary accuracy at all points. When the error is outside the necessary accuracy, the initial value is set to 2. At straight line decision part 3, the minimum squaring method is applied to the extracted point to obtain the equation of the straight line. And the error valuation is given about the line. The equation of the straight line to be obtained is as y=ax+b, where a and b are the constants which are described separately.
    • 8. 发明专利
    • Simulating system of computer instruction
    • 计算机指令仿真系统
    • JPS6113344A
    • 1986-01-21
    • JP13437584
    • 1984-06-29
    • Hitachi LtdHitachi Micro Comput Eng Ltd
    • TSUTSUI SHIGECHIKAMIURA AKIYOSHIHONMA MANABUISHIDA MASAHIRO
    • G06F9/46G06F9/44G06F9/455
    • PURPOSE: To lighten the burden of a core operating system (OS), by simulating the instruction tracing function of a computer at the secondary OS.
      CONSTITUTION: When the secondary OS44-1 starts to execute an RTE instruction, the content 71-1 of a program counter Pc and the content 71-2 of a status register Sr are stored in a stack area 71 for instructing tracing interruption and a stack pointer a7 indicates the 71-2. When an exceptional interruption of "violation of privileged instruction" occurs, the content 71-1 of the counter Pc and content 71-2 of the register Sr stored in the stack area 71 are read out and stored in another stack area 72 which is used when execution becomes impossible as the content 72-1 of the counter Pc and content 72-2 of the register Sr. Succeedingly, the content 72-3 of the counter Pc and content 72-4 of the register Sr are stored in the stack area 72 and the pointer a7 indicates the 72-4. In such a case, the content 72-3 of the counter Pc is the execution address of the instruction which causes the violation to privileged instruction, namely the RTE instruction and, therefore, this instruction is not executed actually.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过模拟辅助操作系统上的计算机的指令跟踪功能来减轻核心操作系统(OS)的负担。 构成:当辅助OS44-1开始执行RTE指令时,程序计数器Pc的内容71-1和状态寄存器Sr的内容71-2被存储在用于指示跟踪中断的堆栈区域71和堆栈 指针a7表示71-2。 当发生“违反特权指令”的异常中断时,存储在堆栈区域71中的计数器Pc的内容71-1和寄存器Sr的内容71-2被读出并存储在另一堆栈区域72中 当作为计数器Pc的内容72-1和寄存器Sr的内容72-2不可执行时使用。接着,计数器Pc的内容72-3和寄存器Sr的内容72-4被存储在 堆栈区72,指针a7表示72-4。 在这种情况下,计数器Pc的内容72-3是导致违反特权指令的指令的执行地址,即RTE指令,因此实际上不执行该指令。
    • 9. 发明专利
    • ADAPTIVE CONTROL SYSTEM
    • JPS6043705A
    • 1985-03-08
    • JP15014583
    • 1983-08-19
    • HITACHI LTD
    • SEKOZAWA TERUJISHIOTANI MAKOTOFUNABASHI SEIJIYUISHIDA MASAHIRO
    • G05B11/32G05B13/02
    • PURPOSE:To improve the follow-up performance of a system which performs the adaptive control based on the process identification, by applying an identifying signal to the normal operation quantity and giving automatic control to the amplitude level of said identifying signal by such a degree that produces no deterioration of control performance. CONSTITUTION:A plant 1 delivers a plant output signal g* out of an input signal u* of an STR type adaptive control system, and high pass filters 51-53 are provided for automatic control of identifying signal. This prevents the delay of the converging speed of parameter due to a fact that the operation quantity includes the DC component which is large compared with the random component. An identifying part 3 delivers a parameter theta to a parameter deciding part 4 from an input signal DELTAu* and a plant output signal DELTAg*. The part 4 delivers a control parameter (g) to a control part 2 and then delivers an operation quantity (u) from the differences between the control target value (UPSILON) and the signal g* and the parameter (g) respectively. An identifying generating part 6 produces the dispersion sigma of the normal random signal from signals DELTAu and DELTAu* through an automatic control part 7, i.e., produces an identifyings signal (w) after receiving an input showing the level of the indetifying signal.
    • 10. 发明专利
    • ADAPTIVE ESTIMATION CONTROL SYSTEM
    • JPS6043703A
    • 1985-03-08
    • JP15014483
    • 1983-08-19
    • HITACHI LTD
    • SEKOZAWA TERUJISHIOTANI MAKOTOFUNABASHI SEIJIYUISHIDA MASAHIRO
    • G05B11/32B28D7/00
    • PURPOSE:To attain the adaptive estimation control to the disturbance of processes for a decentralized control system of a plant by performing the adaptive control of each process through computers taking charge of each process within the computer groups connected by a communication line by making use of each preprocess control information. CONSTITUTION:For a control system for manufacturing process of semiconductors, microcomputers 11 and 21 are provided as lower computers for manufacturing processes 1 and 2 respectively. These computers are connected in a loop to perform the communication of data. The adaptive control is carried out in the process 1 so that the dose is controlled by a control model equation and set close to a target level after measuring the sheet resistance. The control is performed based on a control model also in the process 2 of etching. This control factors include the data on the substance quantity between processes, and this data quantity is shown by the data observed in the process 1. Thus the resistance value preceding by just one step is transmitted to the microcomputer 21 from the microcomputer 11 in the process 1. The information can be prefetched before the processing subject reaches the process 2. In this way, the estimation control is made possible.