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61. 发明专利

JPS56168263A PROGRAM MAKING DEVICE 失效
公开(公告)号：JPS56168263A
公开(公告)日：1981-12-24
申请号：JP7139080
申请日：1980-05-30
申请人： HITACHI LTD
发明人： MASUI SHIYOUICHI , OONARI MIKIHIKO , YAMANAKA KUNIO , TAKAGI MASAOKI
IPC分类号： G05B19/05 , G06F3/023 , G06F3/048 , G06F9/06 , G06F9/44 , G06F17/50
摘要： PURPOSE:To so arrange a titled device that the programs for the purpose of allowing a computer for controlling to perform various kinds of controlling including PID control and numerical operation analog control are made by block diagram images. CONSTITUTION:In order to make the programs that achieve prescribed objects as a whole by combining the subprograms for the purpose of respectively executing the various processings having beforehand prepared in a cassette tape 20, an operator inputs information from a keyboard 18 while viewing the image plane of a CRT 12. Namely, the operator views the cursor displayed in the unit area of one row and one column of the CRT 12, knows that information can be inputted in the unit area of one row one column and inputs the information to be inputted, for example, connection information '' '', a subprogram ''SET'' and parameter ''1'' by successively pushing keys. A processor 16 detects the key inputs and stores these in the prescribed area of a memory 22.

62. 发明专利

JPS56132613A CONTROL METHOD FOR WATER LEVEL OF RESERVOIR 失效
公开(公告)号：JPS56132613A
公开(公告)日：1981-10-17
申请号：JP3605780
申请日：1980-03-24
申请人： HITACHI LTD
发明人： MASUI SHIYOUICHI , FUNABASHI SEIJIYU , MIYAOKA SHINICHIROU , OONARI MIKIHIKO
IPC分类号： E02B7/20 , G05D7/06 , G05D9/12
摘要： PURPOSE:To control the water level of a reservoir according to fluctuations of an inflow without delay by making a successive proper correction of an estimated coefficient detected on the basis of an estimated inflow value and inflow deviation at each point in time between the start point of control and current point. CONSTITUTION:Water gauge 2 detects water level Li of reservoir 1 at time (i) and sends it to water-level inflow converter 4 and optimum manipulated-variable determination device 6. Converter 4 calculates inflow, which is the difference between inflow qi and quantity li of demand, from the difference in water level between time (i) and sampling time (i-1) preceding by one point and the discharge and then inputs inflow Ri to environmental change estimation device 5. Device 5 calculates estimated values at respective points in time (i+1)-(i+m) on the basis of inflows at points in time (i)-(i-n), and then sends a column of vectors, depending upon those estimated values as elements, to device 6. Device 6 calculates discharge (ui+1) at the next sampling point from the column vectors of the estimated values and water level Li and sends it to discharge valve opening-extent converter 7. On the basis of it, converter 7 updates the opening extent output of valve 3 from (thetai) to (thetai+1) to control valve 3 via valve driver 8.

63. 发明专利

JPS5467876A SYSTEM OF USING FLUID TRANSPORTATION FACILITY 失效
公开(公告)号：JPS5467876A
公开(公告)日：1979-05-31
申请号：JP13466577
申请日：1977-11-11
申请人： HITACHI LTD
发明人： HATAKEYAMA JIYUNICHI , MATSUMOTO KUNIAKI , OONARI MIKIHIKO
IPC分类号： G05D7/06 , E03B7/02 , F17D1/00 , F17D3/01 , G05D7/00
摘要： PURPOSE:To control quantity discharged from pumps, by using a flow rate incoming and outgoing expression and a pressure equilibrium expression as fundamental expressions, by describing relationship between flow rate and pressure by linearly approximating a head loss expression and by inputting a matrix coefficient displaying these numerical relationships to an optimum computer. CONSTITUTION:The signals of water-level detectros 100 and flow rate detectors 200 are input to a using device 500. A limit condition type preparing device 1 mounted to the using device 500 each inputs matrix coefficient from a flow rate incoming and outgoing type praparing device 5 and a pressure equilibrium type preparing device 6 and linear coefficient from a head loss type linear shape forming device 7, and further inputs each needed signal from a duct water passing-possible quantity memory storage 10, a distributing reservoir water-level variable quantity memory storage 11, a filter plant intake-possible quantity memory storage 12, a demand point pressure upper and lower limit values memory storage 13 and an upper and lower limit values memory storage 14 of increased pressure due to pressure dischared from pumps and the objustment of valves, thus preparing a limit condition expression, then putting out discharged flow rate and discharge pressure to the pumps 300 and an increasing pressure valve and passing flow rate to valves 400.

64. 发明专利

JPS5356487A FEEDDFORWARD TYPE DAM GATE CONTROL SYSTEM USING INTEGRAL VALUE OF FORECAST VALUE OF INNFLOW RATE AS DATUM OF DETERMINATION 失效
公开(公告)号：JPS5356487A
公开(公告)日：1978-05-22
申请号：JP13047976
申请日：1976-11-01
申请人： HITACHI LTD
发明人： MATSUMOTO KUNIAKI , WAKAMORI FUMIO , OONARI MIKIHIKO
IPC分类号： G05D9/12 , E02B7/20 , G05B11/32
摘要： PURPOSE:To provide a dam gate control system, with which the out-flow rate is determined in such a manner that future values of the flow rate can be accurately grasped, thereby minimizing the frequency of dam gate operation in the usual time and at the time of a flood.

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