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    • 31. 发明专利
    • VENTILATION CONTROLLER FOR TUNNEL
    • JPH01163400A
    • 1989-06-27
    • JP31936887
    • 1987-12-17
    • TOSHIBA CORP
    • KOBAYASHI SHUICHIROMITSUYOSHI KYOWATANABE TAKAHIRONAGAOKA NORIO
    • F24F7/007E21F1/00
    • PURPOSE: To finely and stably carry out ventilation control by editing a previously stored rule base for the ventilation control, and by carrying out control inference in view of the measured value of a contaminated concentration, so as to compute a ventilation controlled variable. CONSTITUTION: Measured values obtained from CO meters 4a, 4b and VI meters 5a to 5d, which are located in a tunnel, are fetched in a ventilation control inference means 23. A ventilation control rule previously stored in a rule base storage means 22 is edited by a rule base editor means 21 through the manipulation of an input/output device 30 and is then delivered to the ventilation control inference means 23. Accordingly, a signal required for exhaust control is inferred, and the air volume of an exhaust blower is controlled through the intermediary of a contamination concentration control and output means 24 and an exhaust blower volume control and output device 25. Furthermore, a jet fan number control and output means 24 instructs the number of the jet fans according to measured values from wind velocity meters 6a, 6b and a signal from the ventilation control inference means 23.
    • 32. 发明专利
    • APPARATUS FOR CONTROLLING CONCENTRATION OF DISSOLVED OXYGEN OF AERATION TANK
    • JPS61274795A
    • 1986-12-04
    • JP11541085
    • 1985-05-30
    • TOSHIBA CORP
    • KOBAYASHI SHUICHIRO
    • C02F3/12
    • PURPOSE:To stably control the concn. of dissolved oxygen, by mounting an operation means for determining a process parameter in an on-line system from an air blow amount at every sampling cycle, the concn. of dissolved oxygen of an aeration tank and each detection value of water temp. CONSTITUTION:Sewage is flowed in an aeration tank 1 and stagnated for a certain time before being flowed out. During this time, air blown by an air blower 2 is supplied to the sewage through an air diffusing pipe 3. A dissolved oxygen densitometer 4 and a thermometer 5 are provided in the aeration tank 1 and an airflow meter 6 is provided to the blow pipe in the emitting side of the blower. The process quantities detected by said measuring devices are inputted to an electronic calculator 8 through an input apparatus 7 and operation is performed according to the program preliminarily mounted in the calculator 8. An air blow amount objective value is calculated, corresponding to a dissolved oxygen concn. objective value, and outputted as the operation order signal of the blower through an output apparatus 9.
    • 35. 发明专利
    • FEED WATER CONTROL DEVICE
    • JPH09228958A
    • 1997-09-02
    • JP3680896
    • 1996-02-23
    • TOSHIBA CORP
    • KANAYAMA MICHIKIMIKUROKAWA FUTOSHIKOBAYASHI SHUICHIRO
    • E03B1/00F04B49/06
    • PROBLEM TO BE SOLVED: To provide a feed water control device which corresponds as early as possible to changing of a flow amount in an out-side of a distribution pond so that changing of its water level can be reduced, in the case of distributing water to a consumer from the distribution pond by guiding water taken in from an intake source of river or the like to the distribution pond. SOLUTION: A pump device 3 guiding water to a distribution pond is provided, also means 4, 7, 8 respectively detecting a guide water flow amount relating to the distribution pond, its water level and distribution water flow amount of the distribution pond are provided. In a flow amount target value arithmetic means 12, based on a deviation between a detected water level and its target value of the distribution pond, a target value of a guide water flow amount of the pump device is calculated, on the other hand, in a feedforward flow amount correcting means 13, based on a detected distribution water flow amount of the distribution pond, a correction amount of the guide water flow amount target value of the pump device is calculated in a feedforward manner, the guide water flow amount target value is corrected, in a pump manipulated variable arithmetic means 16, based on a deviation between a corrected guide water flow amount target value and a detected guide water flow amount, an manipulated variable of the pump device is calculated, and in pump operating means 17, 18, the pump device is operated in accordance with this manipulated variable.
    • 38. 发明专利
    • PUMPING-UP WATER FLOW RATE CONTROL DEVICE OF ADJUSTING BASIN
    • JPH08318262A
    • 1996-12-03
    • JP12679695
    • 1995-05-25
    • TOSHIBA CORP
    • TAKEUCHI KENJIKOBAYASHI SHUICHIROSHINOHARA TETSUYA
    • F04B49/06C02F1/00G05B11/18G05B13/02G05D7/06G05D9/12G05D13/62
    • PURPOSE: To optimally control the pumping-up water flow rate of an adjusting basin so as to smooth the outflow rate to a biological reaction tank to the utmost while corresponding to the inflow rate of the adjusting basin changing with the elapse of time. CONSTITUTION: A time unit inflow rate operation means 1 calculates day inflow quantity from predetermined data such as weather, atmospheric temp. or a weekday and further calculates time unit inflow quantity therefrom. A pumping-up water flow rate planning means 2 operates a pumping-up water flow rate plan value smoothed to the utmost on the basis of the time unit inflow quantity. An adjusting basin water level operation means 5 operates the water level of an adjusting basin from the inflow quantity and the pumping-up water quantity. When this water level is not received in the range between upper and lower limit values, the pumping-up water quantity plan value is corrected. A pumpig-up water flow rate plan correction means 6 corrects the pumping-up water flow rate plan value so that the deviation between the operated water level and an actually measured water level approaches zero. A water pump control means 7 controls the number of operations of a water pump 11 and the number of rotations thereof on the basis of the corrected plan value.
    • 39. 发明专利
    • PLANNING DEVICE FOR WATER CARRIAGE
    • JPH08128078A
    • 1996-05-21
    • JP26755594
    • 1994-10-31
    • TOSHIBA CORP
    • KUROKAWA FUTOSHIYUKI HIROSHIMURAYAMA TADAYOSHIKOBAYASHI SHUICHIRO
    • E03B1/00
    • PURPOSE: To promote the effective application of water resources by finding the planned value of each flow rate and production at minimum cost out of the extent of fitness by an evaluation function on the basis of a demand predictor at individual data, restriction conditions and those of water intake, production and water conveyance costs. CONSTITUTION: For example, a demand predictor 1 of each distributing reservoir, water level constraint conditions of a clean water reservoir H and each of these distributing reservoirs, and each water level of the clean water reservoir H and the respective distributing reservoirs detected by a water level indicator F are all found out. Next, each flow rate of water intake and purified water and production are planned on the basis of constraint conditions of a quantity of raw water takable in a water purifying plant A from an intake source O and a quantity of purified water suppliable to each water distributing reservoir from the clean water reservoir H. In succession, on the basis of the planned value of a water carrying planning device 10, a pump S is controlled by an intake flow controller 31 in use of a signal out of a flowmeter R. Likewise a conveying pump K is controlled by a water supply flow controller 32 in use of a signal out of a pressure gage E. In addition, an inflow valve L of each distributing reservoir is controlled by a signal out of the water level indicator F. With this constitution, intake flow, purified water production, water supply flow, and each distributing reservoir water level are all controllable as in the planned value.
    • 40. 发明专利
    • OUT FLOW ANALYSIS ASSISTANCE DEVICE
    • JPH07244651A
    • 1995-09-19
    • JP3259194
    • 1994-03-02
    • TOSHIBA CORP
    • NAKAJIMA KANEMITONAMI YOUSUKEKOBAYASHI SHUICHIROSHINOHARA TETSUYAKONDO SHINICHITAKASHIMA HIDEKAZU
    • G06F19/00G06F17/00G06Q10/04G06Q50/00G06Q50/26
    • PURPOSE:To assist a outflow analysis by automatically generating a transfer curve used for an RRL method as one method for the outflow analysis in a short time. CONSTITUTION:This device is equipped with a flow point arithmetic means 10 which divides tube channel data on an object basin into tube channel data on a main line and a branch line and calculates the flow point of the main line and the transfer point of the branch line by mutually different specific arithmetic methods on the basis of the feature quantities of tube channels used for the main line and branch lines in the object basin and the feature quantities of other tube channels, a transfer curve arithmetic means 13 which calculates a transfer curve on the tube channel used for the main line and a flow curve on the tube channel used for the branch line according to the main line as an origin on the basis of the transfer points calculated divisionally by the main line and branch line and also puts the transfer point of the main line and the transfer point of the branch line together to calculate the transfer curve of the whole object basin connecting the transfer points, and a transfer curve area arithmetic means 17 which calculates the area of each transfer time encircled with the transfer curves on the basis of the calculated transfer curves.