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75231 results about "Control engineering" patented technology

Control engineering or control systems engineering is an engineering discipline that applies automatic control theory to design systems with desired behaviors in control environments. The discipline of controls overlaps and is usually taught along with electrical engineering at many institutions around the world.

Apparatus and method for predictive control of a power generation system

A method for controlling a power system control area according to a first and a second control performance standard, wherein operation of the control area determines area control parameter values. The method comprises (a) determining a first compliance target for the first performance standard and a second compliance target for the second performance standard (100/200); (b) determining a first performance standard statistical measure responsive to the control area parameter values from a beginning of a first compliance period to a time at which the first average is determined (108); (c) determining a second performance standard statistical measure responsive to the control area parameter values from a beginning of a second compliance period to a time at which the second average is determined; (d) determining a first area control parameter target responsive to the first performance standard statistical measure (116); (e) determining a second area control parameter target responsive to the second performance standard statistical measure (204); (f) determining a first area control parameter correction responsive to the first area control parameter target and the area control parameter values (150); (g) determining a second area control parameter correction responsive to the second area control parameter target and the area control parameter values (228) and (h) controlling the power system according to one or both of the first and the second area control parameter corrections (154/232).
Owner:SIEMENS AG

Autonomous lane-changing decision making system for pilotless automobile

The invention discloses an autonomous lane-changing decision making system for a pilotless automobile. First, through an information collecting module, environment information such as a lane line, an obstacle, speeds of surrounding interactive vehicles, distances between the surrounding interactive vehicles and the pilotless automobile and so on is obtained; the obtained information is transmitted to a main control module; the main control module is used for analyzing the received information, judging whether a lane-changing condition is satisfied or not, carrying out analog computation on the received information to obtain a lane-changing scheme and transmitting the lane-changing scheme to a control executing module; and then a vehicle controller is used for controlling a steering direction, speed and so on of the pilotless automobile according to a decision signal so that the running lane of the pilotless automobile is changed. In the lane-changing process, the information collecting module is required to monitor the environment and the surrounding vehicles in real time; meanwhile, the operation status of the pilotless automobile also needs to be fed back to the main controller in real time so that the pilotless automobile can adjust decision information in time in case of an emergency; therefore, a purpose that the running lane of the pilotless automobile is autonomously changed is safely and effectively realized.
Owner:INNER MONGOLIA MAIKU INTELLIGENT VEHICLE TECH

Long-distance automatic displacement and density automatic control system

PendingCN107605427ARealize remote automatic centralized controlRealize the centralized control of the whole processClosed circuit television systemsPump controlAutomatic controlControl system
The invention belongs to the field of oil equipment, and particularly relates to full-automatic intelligent remote-control cementing equipment. A long-distance automatic displacement and density automatic control system being used for the cementing equipment is characterized in that the long-distance automatic displacement and density automatic control system at least comprises a power unit and acontrol unit. The power unit comprises an engine, a gearbox and a plunger pump, and the control unit comprises a device operation screen, a device PLC processor, a remote-control operation screen, a remote-control PLC processor and an Anybus module. Operating personnel write in a set displacement set value or a set density value on the remote-control operation screen or the device operation screen, after the device PLC processor reads the set displacement information, a set gear needed by the current set displacement and the accelerator position are calculated through program internal calculation, so that the rotating speed of the engine and the gears of the gearbox are controlled, finally the long-distance automatic displacement and density automatic control system is used for controllingthe input rotating speed of the plunger pump, and the purpose of controlling the discharging displacement of the plunger pump is achieved.
Owner:CNPC DRILLING RES INST +2

Continuous large-power turbine fracturing equipment

PendingCN111206992AStable and efficient transmissionStable working platformPositive displacement pump componentsGear lubrication/coolingDrive shaftControl engineering
The invention discloses continuous large-power turbine fracturing equipment. The large-power turbine fracturing equipment comprises a turbine engine, a reduction box, a transmission shaft and a plunger pump, wherein the turbine engine and the reduction box are arranged on the same straight line; the reduction box is connected to the plunger pump through a transmission shaft; and an angle of the transmission shaft ranges from 2 degrees to 4 degrees. The continuous large-power turbine fracturing equipment has the beneficial effects that: a chassis T1 material is selected, so that a stable working platform is provided for the equipment; the turbine engine and the reduction box are on the same straight line, the transmission shaft is arranged between the reduction box and the plunger pump, andthe angle of the transmission shaft ranges from 2 degrees to 4 degrees, so that stable and efficient transmission of the turbine engine is guaranteed, and a fault occurrence rate is reduced; a lubricating system driven by an auxiliary power system guarantees that the turbine engine, the reduction box and the plunger pump work under a proper environment; dual lubricating systems guarantee that theplunger pump realizes continuous operation under power of 5000 HP or higher; and the technical means finally can meet continuous large-power operation requirements of the fracturing equipment.
Owner:美国杰瑞国际有限公司

Novel ultra-high-power cementing equipment integrated with remote control

The present invention relates to the technical field of petroleum equipment, in particular to novel ultra-high-power cementing equipment integrated with remote control. The novel ultra-high-power cementing equipment integrated with remote control comprises a loading system and a secondary beam, wherein the secondary beam is connected with a hydraulic system, a power transmission system, a meteringtank, an electrical system, a gas circuit system, a control system and a mixing system from front to rear in sequence, the lower portion of the gas circuit system is provided with a plunger pump, theplunger pump is connected with a high-pressure discharge system; a control platform is arranged at the lower part of the electrical system; the control system is positioned above the control platform; and the control system is connected with the remote control system. The novel ultra-high-power cementing equipment integrated with remote control meets the requirements of high pressure, large displacement, long time and continuous uninterrupted operation during the ultra-deep cementing operation and the ultra-high pressure gas well operation; and the occupied area is small, the pipeline connection is simple, and the maintenance frequency is low.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD
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