Abstract: A gasifying furnace gasifies solid fuel or liquid fuel. A gas turbine drives a turbine to generate power by using combustion gas generated by burning mixed gas of compressed air compressed in a compressor and gas generated in the gasifying furnace in a combustor. A booster boosts compressed air bled from the compressor, and feed the compressed air to the gasifying furnace. A bleed source valve is provided in a bleed line between the compressor and the booster. An abnormality stop controller stops the booster and the gas turbine, based on an opening angle of the bleed source valve or a bleed pressure on an upstream side of the bleed source valve.

Abstract: Provided is a control apparatus of an extracted air booster system of an integrated gasification combined cycle power plant, which control apparatus can additionally serve a sufficient pressure control function and a sufficient antisurge control function. For example, when an inlet guide vane is fully closed or has a small opening degree equal to or smaller than a predetermined opening degree, a second control section of the control apparatus of an extracted air booster system performs pressure control based on a pressure deviation, instead of or as well as antisurge control. In the pressure control, the degree of opening of an antisurge valve is controlled so that a booster outlet pressure detection value can become equal to a set pressure value. In a case where a pressure ratio is larger than a set pressure ratio value, it is also effective that the second control section performs the antisurge control even when the inlet guide vane is fully closed.

Abstract: A fuel-flow-rate control device, a power generation system, and a fuel-flow-rate control method which can prevent overshooting of a gas turbine output (gas turbine inlet temperature) and which can improve power generation efficiency are provided. The fuel-flow-rate control device includes a computing portion for obtaining a state quantity relating to operating conditions and temperature conditions of a gas turbine as an input signal and computing a fuel-flow-rate command for controlling a fuel flow rate supplied to a combustor based on the above input signal, and a second selection circuit for setting the above fuel-flow-rate command to be not more than a fuel-flow-rate upper limit. The fuel-flow-rate upper limit is a fuel flow rate at which the gas turbine inlet temperature is set to be not more than a predetermined upper temperature limit.

Abstract: When CFG's are supplied to a gas tank 2, the fluctuation ratio of the gas calories of the CFG's is restrained by supplying the CFG's different time delays and mixing them. When the CFG's are mixed with BFG in a gas mixer 3, the gas flow rate of the BFG is controlled by feedback control based on the gas calories of a mixed gas, thereby controlling the gas calories of the mixed gas to be specific.

Abstract: In a statistical variable display apparatus, first lengths along a first axis and second lengths along a second axis are determined. The first lengths are respectively allotted to first-type subgroups, and the second lengths are respectively allotted to the second-type subgroups. The apparatus displays the first-type subgroups arranged along the first axis to have the respective first lengths, the second-type subgroups arranged along the second axis to have the respective second lengths, and representations of acquired statistical variables correspondingly to a respective one of the first-type subgroups arranged along the first axis and a respective one of the second-type subgroups arranged along the second axis.

Abstract: A printed material having a location identification function includes multiple encode units provided on an area to be encoded. Each of the multiple encode units records first code information of coordinate values identifying a location on the printed material and second code information of an identification number identifying the printed material, and the first code information and the second code information are invisibly recorded on the printed material.

Abstract: A meniscus of applying fluid is controlled by applying a voltage to a discharge-nozzle side electrode and a counter electrode placed downstream of the discharge nozzle and by increasing or decreasing fluid pressure inside a pump chamber with use of a mechanism for rotational motion or rectilinear motion.

Abstract: A method of applying fluid includes feeding fluid between two faces disposed with a gap maintained therebetween, and changing the gap between the two faces by driving an actuator for intermittently discharging the fluid filled in between the two faces. An input signal, in which a high-frequency component and a DC component are superimposed, is provided to drive the actuator in order to change the gap between the two faces, so that the fluid filled in between the two faces is intermittently discharged for fluid application.

Abstract: An information processing system has a link information input unit, a link information totaling unit and a network similarity calculating unit. The link information input unit inputs link information indicating links among nodes in networks. The link information totaling unit totals the link information in the respective networks to be compared and determines presence/absence of the links among the nodes or link quantities. The network similarity calculating unit calculates the similarity among the networks based on the sum of the comparison results of the links among all nodes.

Abstract: An apparatus and a method for applying a fluid, which enable an application amount of the fluid to be stabilized even at the start of fluid discharge and at the end of the fluid discharge. The apparatus includes an application head and a control unit, whereby operational control is carried out so that a discharge member is rotated and moved in a discharge direction along an axial direction of the discharge member when the fluid is to be discharged, while the rotation of the discharge member is stopped and the discharge member is moved in a direction opposite to the discharge direction when the discharge is to be stopped. The application amount of the fluid to be applied can be stabilized even at the start of fluid discharge and at the end of the fluid discharge.

Abstract: A method of applying fluid includes feeding fluid to between two faces disposed with a gap maintained therebetween and changing the gap between the two faces by driving of an actuator for intermittently discharging the fluid filled in between the two faces, wherein an input signal in which a high-frequency component and a DC component are superimposed is given to drive the actuator for changing the gap between two faces, so that the fluid filled in between the two faces is intermittently discharged for fluid application.

Abstract: A combined cycle power generation plant includes a gas turbine operating in response to a turbine control signal and a speed control apparatus which outputs the turbine control signal to the gas turbine based on a speed governor control signal for a first time period after an operation of the plant is switched to a system isolated operation. The speed governor control signal is a signal for speed control of the gas turbine, and a switching signal is generated when the operation of the plant is switched to the system isolated operation.

Abstract: In the gas turbine combined plant, water fed to an entrance of a high-pressure economizer is guided into an air cooler as a cooling medium of high-temperature air that passes through the air cooler. High-temperature water obtained by heat exchanging with high-temperature air is branched to a passage that joins water drawn from an exit of the high-pressure economizer and a passage that joins a condenser. These passages are provided with regulating valves that regulate the flow rate of the water that passes through these passages, respectively.

Abstract: A method of discharging a fluid, includes feeding a fluid into a gap defined between two surfaces in a closed space, and relatively oscillating the two surfaces to apply relative oscillation with high frequency to the gap so as to occur a squeeze pressure to the gap, and thus intermittently discharging the fed fluid through a discharge port provided in either one of the two surfaces by using the squeeze pressure.

Abstract: An apparatus and a method for applying a fluid are provided which enable an application amount of the fluid to be stabilized even at a fluid discharge start part and a fluid discharge end part. There are provided an application head and a control unit, whereby an operational control is carried out so that a discharge member is rotated and moved in a discharge direction along an axial direction of the discharge member when the fluid is to be discharged, while the rotation of the discharge member is stopped and the discharge member is moved in a direction opposite to the discharge direction when the discharge is to be stopped. The application amount of the fluid to be applied can be stabilized even at the fluid discharge start part and the fluid discharge end part.

Abstract: The fluid discharge device includes an axial drive device for giving an axial relative displacement to between a piston and a cylinder, a device for giving rotary motion, and a device for pressure feed of fluid. The ON/OFF control of discharge flow rate can be fulfilled by changing the fluid resistance of the discharge passage with the axial drive device.

Abstract: A method of discharging a fluid, includes feeding a fluid into a gap defined between two surfaces in a closed space, and relatively oscillating the two surfaces to apply relative oscillation with high frequency to the gap so as to occur a squeeze pressure to the gap, and thus intermittently discharging the fed fluid through a discharge port provided in either one of the two surfaces by using the squeeze pressure.

Abstract: In the gas turbine combined plant, water fed to an entrance of a high-pressure economizer is guided into an air cooler as a cooling medium of high-temperature air that passes through the air cooler. High-temperature water obtained by heat exchanging with high-temperature air is branched to a passage that joins water drawn from an exit of the high-pressure economizer and a passage that joins a condenser. These passages are provided with regulating valves that regulate the flow rate of the water that passes through these passages, respectively.

Abstract: A combined cycle power generation plant includes a gas turbine operating in response to a turbine control signal and a speed control apparatus which outputs the turbine control signal to the gas turbine based on a speed governor control signal for a first time period after an operation of the plant is switched to a system isolated operation. The speed governor control signal is a signal for speed control of the gas turbine, and a switching signal is generated when the operation of the plant is switched to the system isolated operation.

Abstract: The fluid discharge device includes an axial drive device for giving an axial relative displacement to between a piston and a cylinder, a device for giving rotary motion, and a device for pressure feed of fluid. The ON/OFF control of discharge flow rate can be fulfilled by changing the fluid resistance of the discharge passage with the axial drive device.