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JPH0612129A |
PURPOSE: To exert corrosion preventing effect by automatically discharging only the ballast water in an oil tank from a drain nozzle and controlling the level of the ballast water within the oil tank to a specified range. CONSTITUTION: T...
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JPH0611104A |
PURPOSE: To provide a drain controller for a feed water preheater, capable of reliably controlling a flow rate of an HPDP and preventing the run-out of the HPDP even when such a case where one of LCVs is erroneously closed occurs to caus...
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JPH064965B2 |
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JPH0610390A |
PURPOSE: To provide a compact construction and improve accuracy by disposing a photo-electric sensor having a light emitting element and a light receiving element on the same surface and a prism oppositely to each other to transmit a lig...
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JPH06264B2 |
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JPH05346807A |
PURPOSE:To realize a further precise learning control by learning plural operat ing states which are sharply changed due to an inflow gate operation or the like, in a pump plant operation control device equipped with plural learning mean...
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JPH05341852A |
PURPOSE:To stably discriminate the liquid level of a molten metal in a crucible for a long period of time. CONSTITUTION:A metallic vapor generator heats and melts a metallic material 11 stored in a crucible 12 with an electron beam, etc....
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JPH05509428A |
A method is disclosed for controlling the interfacial level of solvent vapor and overhead gas in a vessel. The solvent vapor level is controlled by means of a displacement body which is suspended from a load cell. The displacement body i...
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JPH05318069A |
PURPOSE: To keep molten metal surface level in high accuracy regardless of the influence of disturbance by introducing an overshoot preventing factor and adding changing speed of a deviation in the term of I control in PID calculation. C...
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JPH05313705A |
PURPOSE:To provide the process control system which reduces the number of rules or membership functions and is dependent upon a fuzzy control means. CONSTITUTION:A process controller 1 which determines the manipulated amount of a control...
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JPH05306684A |
PURPOSE: To prevent hunting of pump start/stop by acquiring drive combination of a pump from a water level of the pump and a discharge flow rate of the pump, estimating an inflow flow rate and controlling discharge valve opening so that ...
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JPH05303430A |
PURPOSE:To accurately control a liquid level in a liquefied nitrogen tank by simple construction. CONSTITUTION:An insulator-made guide cylinder 11 storing a float 14 made of conductor is vertically arranged in the liquefied nitrogen tank...
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JPH05303406A |
PURPOSE:To make it possible to follow up a sudden change in a controlled system without generating a delay by modeling a control system by qualitative inference and evaluating the control system by qualitative evaluation scale expressed ...
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JPH05289752A |
PURPOSE:To provide a water level controller which ensures its high accuracy and high responsiveness by controlling a gate after calculating a gate controlled variable based on a membership function that can be freely changed and a contro...
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JPH05285617A |
PURPOSE: To execute stable continuous casting by intensely preventing disturbance of level control for molten metal surface in a mold with an opening degree control for tundish stopper. CONSTITUTION: The tundish stopper 3 is used to only...
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JPH05288161A |
PURPOSE: To eliminate the useless operating-stopping action of fluid supply means so as to enable the smooth level control of a storage tank by performing the machine operating number increase/decrease control of the fluid supply means c...
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JPH05287400A |
PURPOSE: To provide a control method for molten slag surface level in an elec tric slag remelting device by detecting the molten slag surface with simple equipment to keep the molten slag surface at specified position. CONSTITUTION: This...
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JPH05277689A |
PURPOSE: To restrain the variation of molten metal level by executing the feedforward of variation in the drawing resistance of a cast slab to the operating quantity of a stopper. CONSTITUTION: In a control device for level in a mold, a ...
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JPH05277687A |
PURPOSE: To secure the safety in the operation by restraining the variation of molten metal surface level accompanied with the abnormality of a level meter caused by noise signal, disconnection, etc., in a device for holding and controll...
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JPH0574844B2 |
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JPH05265568A |
PURPOSE:To keep a water level at a value in the neighborhood of an instructed water level in spite of the increment/decrement of a unit flow rate by monitoring whether or not a reservoir level 4+ changes toward a set water level within a...
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JPH05263768A |
PURPOSE: To reduce the fluctuation of supply water pressure at the pump selecting time by selectively controlling the operation of plural booster pumps on the basis of the discharge side supply water pressure in both booster pumps and th...
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JPH05255918A |
PURPOSE: To save labor and optimize the water temperature by providing an opening/closing ring on a float lifted or lowered in response to the water level fluctuation of the paddy field, and automatically opening or closing a conducting ...
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JPH0571261U |
[Purpose] The present invention relates to the water tank of the building, and especially regarding the water tank of the building which is affected by the season such as schools, assembly halls, resort hotels, recreational facilities, e...
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JPH05237618A |
PURPOSE: To precisely control molten steel surface level, to restrain rapid rising of the molten steel surface level at the time of driving to the opening direction and to realize the stable control by always returning a drawing speed to...
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JPH05237617A |
PURPOSE: To improve response speed and to drastically reduce the variation of molten metal surface by estimating the response delay in a molten metal surface level control device based on the moving delay in a machine part and recovering...
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JPH0564801B2 |
Fluid flow apparatus comprising a housing defining a chamber, a chamber inlet and a chamber outlet for the flow of liquid therethrough, a level sensor providing a control signal having a magnitude related to the level of liquid in the ch...
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JPH05233070A |
PURPOSE:To deal with the increase/decrease of facilities only by maintaining facility data concerning the control system for temporary storage tank used as the initial rainwater counter-measure of sewage plants or the like. CONSTITUTION:...
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JPH0566714U |
[Purpose] Provided is a liquid level and separation liquid layer control device capable of stable etching by keeping the liquid level of each of two kinds of liquids having different specific gravities contained in a container within a p...
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JPH05223059A |
PURPOSE: To allow a water level to come near a desired one by restraining the variation width of the water level to small one. CONSTITUTION: Outflow from a water tank 4 and a water level in the same are measured respectively by a flow me...
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JPH0534009Y2 |
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JPH0534008Y2 |
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JPH05216541A |
PURPOSE: To improve the operating state of a pump, to increase the saving of energy, to simplify the programming of the automatic control of water supply, to reduce the cost, to increase the reliability of a water supply system, and to p...
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JPH05212516A |
PURPOSE: To control and restrain the variation of molten metal surface according to respective cases by distingushing and detecting the variation of the molten metal surface caused by the variation of molten metal vol. and the variation ...
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JPH0556528B2 |
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JPH0555885B2 |
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JPH0554133B2 |
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JPH05202361A |
PURPOSE: To control the received coal amount of a coal-charging hopper by automatically controlling the height position of a measure on the basis of the bulk density of charged coal. CONSTITUTION: A measure 2 is disposed so as to be vert...
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JPH0530157Y2 |
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JPH0530167Y2 |
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JPH05189054A |
PURPOSE:To obtain the remote monitor device which prevents a flood due to an overflow and makes an early recovery unless a pump which pumps water from a water receiving tank to a high water tank automatically stops. CONSTITUTION:An annul...
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JPH05181540A |
PURPOSE:To hold the liquid level in the tank at a target value at all times by correcting a mean outflow rate with a correction value found by fuzzy inference. CONSTITUTION:A reference part 22 sets the target liquid level to which the st...
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JPH05181507A |
PURPOSE:To effectively utilize the knowledge of a skillful operator and stored data and to complement the change of a control parameter with the operational result data of the skillful operator. CONSTITUTION:This device is composed of a ...
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JPH05180169A |
PURPOSE: To prevent a water level from substantially moving up and down about a critical level by providing a number-of-pumps control section, a primary control section for outputting a rotational speed commanding signal and a secondary ...
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JPH0547475B2 |
Apparatus for supplying water to a carbonator tank in a liquid dispensing system includes a water supply delivery control circuit which generates a periodic supply enabling signal of a relatively short duration when the water level in th...
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JPH05165531A |
PURPOSE:To normally operate even when the device is abnormal by discriminating it from the transition of changes in the measuring signals of a received water flow meter, water level gauge and distributed water flow meter whether the meas...
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JPH05164055A |
PURPOSE: To carry out constant value control smoothly on a pump well water level by setting a valve opening increase/decrease value of a delivery valve by means of a delivery valve control section so that valve opening of the pump delive...
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JPH05157054A |
PURPOSE: To control velocity of a pump through a PID adjuster, for determining a fixed aimed level for the water level of a pump well, and make improvement in that the pump velocity cannot follow abrupt rising of the water level, in a ra...
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JPH05154632A |
PURPOSE: To prevent the entrapment of powder into a mold by changing Ar gas flow rate to control molten steel level in a nozzle. CONSTITUTION: At the time of pouring the molten steel 14 from a tundish 13 into the continuous casting mold ...
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JPH05143163A |
PURPOSE:To attain the rod position control of a stepping cylinder following a position type control command by a simple constitution at an extremely high responsiveness without generating out-of-step by mitigating damping oscilla tion ge...
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