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130results about How to "Ensure responsiveness" patented technology

Control optimizing method for master controller of supercritical unit boilers

The invention discloses a control optimizing method for a master controller of supercritical unit boilers. The control optimizing method includes introducing an inertial element F(s) and a lagging element y1 into a feed-forward control branch to replace a modification function My(s) for a main vapor pressure input value ysp which is randomly set by an original system; providing input signals of the lagging element y1 by an element F(s), and leading reference signals yf outputted by the lagging element y1 to act on an input end of a closed-loop control element; and additionally optimizing a transfer function Mu(s) of the feed-forward control branch of an original boiler master control system into a pressure compensation transfer function Mf(s), meeting the requirement of parameter-variable running of a feed-forward function uff of the original boiler master control system, leading the uff and the yf to jointly act on the closed-loop control element, then controlling a follow-up executing mechanism and accordingly realizing master control for the boilers. The control optimizing method has the advantages that the master controller of the boilers can quickly and accurately output instructions to a fuel master controller and a water supply master controller, accordingly a main vapor pressure control effect is guaranteed, response characteristics of load are further ensured, and control quality of the unit and economical indexes are improved.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Assembly equipment and assembly method of fluid ejector

ActiveCN104858548AAvoid the problem of inaccurate lift adjustmentAvoid setpointLaser beam welding apparatusEngineeringDisplacement control
The invention discloses assembly equipment of a fluid ejector. The assembly equipment comprises a rack, a lifting mechanism, a clamping and rotating mechanism, a displacement sensor, a displacement controller and welding equipment, wherein the lifting mechanism is arranged at the lower part of the rack; the clamping and rotating mechanism is arranged above the lifting mechanism; the displacement sensor is arranged above the clamping and rotating mechanism; the welding equipment is arranged on one side of the clamping and rotating mechanism. The invention further discloses an assembly method of the fluid ejector. The assembly method comprises the following steps: firstly, pressing the other end, where an ejecting opening is formed, of a valve sleeve in the outer circumference at the top end of the a fixed iron core for welded fixing; secondly, adjusting the lifting range of a movable part through the displacement sensor and the displacement controller, and conducting welded fixing on a valve seat; finally, mounting the other parts. The assembly equipment and the assembly method have the advantages that the lifting range adjustment precision and the lifting range consistency of the movable part of the fluid ejector are obviously improved, so that the flow measurement precision and the responsiveness of the fluid ejector are guaranteed, and the assembly efficiency and quality are greatly improved; meanwhile, the allowable concentricity error ranges of armature and sealing parts can be widened, so that the difficulties of part processing and assembly are reduced.
Owner:CHINA FAW LIMITED WUXI FUEL INJECTIONEQUIP RES INST +2

Phthalocyanine compound synthesizer

The invention discloses a phthalocyanine compound synthesizer. The phthalocyanine compound synthesizer comprises a first reaction kettle, a first condenser, a second reaction kettle and a second condenser, wherein the first reaction kettle is communicated with the second reaction kettle by a first material conveying tube; a first gas inlet, a first gas outlet, a first solvent reflux opening and a first water outlet are formed on the first condenser; the first reaction kettle is communicated with the first gas inlet by a first mixed gas conveying tube; the first solvent reflux opening is communicated with the first reaction kettle by the first solvent reflux tube; a second gas inlet, a second gas outlet, a second solvent reflux opening and a second water outlet are formed on the second condenser; the second reaction kettle is communicated with the second gas inlet by the second mixed gas conveying tube; the second solvent reflux opening is communicated with the second reaction kettle by the second solvent reflux tube; and the second gas outlet is communicated with the first reaction kettle by a third mixed gas conveying tube. The phthalocyanine compound synthesizer disclosed by the invention effectively controls generated moisture, improves ammonia gas yield, recycles a carrier solvent and ensures safety and continuity of operation.
Owner:FUJIAN HUATIANYU SCI & TECH DEV
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