651results about How to "Operation efficiency can be improved" patented technology

A switched resonant power amplifier system for ultrasonic transducers is disclosed. The system includes an amplifier that receives and processes a driver output signal for generating a drive signal that is provided to an ultrasonic device for controlling output of the ultrasonic device. An output control circuit receives and processes a signal related to a feedback signal generated by the ultrasonic device and a divider reference signal, and generates a compensated clock signal that is adjusted for at least one of phase and frequency differences between the received feedback signal and the divider reference signal. A compensated drive circuit receives and processes the compensated clock signal for generating the divider reference signal, and for generating the driver output signal.

The present invention provides a flash memory management system and method with increased performance. The flash memory management system provides the ability to efficiently manage and allocate flash memory use in a way that improves reliability and longevity, while maintaining good performance levels. The flash memory management system includes a free block mechanism, a disk maintenance mechanism, and a bad block detection mechanism. The free block mechanism provides efficient sorting of free blocks to facilitate selecting low use blocks for writing. The disk maintenance mechanism provides for the ability to efficiently clean flash memory blocks during processor idle times. The bad block detection mechanism provides the ability to better detect when a block of flash memory is likely to go bad. The flash status mechanism stores information in fast access memory that describes the content and status of the data in the flash disk. The new bank detection mechanism provides the ability to automatically detect when new banks of flash memory are added to the system. Together, these mechanisms provide a flash memory management system that can improve the operational efficiency of systems that utilize flash memory.

A building heating/cooling system energy optimization method for a building having a heating/cooling system includes the steps of providing a mathematical model of the heating/cooling system, obtaining real-time weather information, reading the input water temperature (IWT), the output water temperature (OWT) and the supply air temperature (SA) output to the building, periodically transferring the IWT, the OWT and the SA to an optimization system which is operative to analyze the real-time data in coordination with the mathematical model by assigning at least three selected values in a range surrounding and including the current values of each of the IWT, the OWT and the SA and calculating the efficiency profile of the components of the heating/cooling system for each of the selected values, then cooperatively optimizing and selecting those values calculated to provide the highest efficiency profile, then periodically resetting the system values to those selected by the optimization system.

An etching apparatus for manufacturing semiconductor devices which reduces contamination of the processing surface of a wafer by transporting a plurality of wafers stacked in a cassette with their processing surfaces facing down from the cassette supply chamber to one or more process chambers where the etching operation is performed on each wafer, one at a time. The apparatus has a load lock chamber for transferring the wafers stacked in the cassette from the cassette supply chamber, which is maintained under atmospheric conditions, to the process chamber, which is maintained under a strong vacuum. The process chamber has a cathode to which a wafer is clamped by a wafer holder with its processing surface facing down; the process chamber may also have a removable lower cover for easy repair and cleaning. The apparatus may also have a wafer aligning chamber installed between the cassette supply chamber and the load lock chamber for simultaneously aligning all of the wafers n the cassette before they are transported to the load lock chamber. The wafer aligning chamber also has a cassette transport mechanism for transferring the cassette from a cassette supply table in the cassette supply chamber to an elevator installed in the load lock chamber.

An apparatus and method of charging and housing of an unmanned vertical take-off and landing (VTOL) aircraft is disclosed. The apparatus includes an accommodator to accommodate an aircraft, a landing platform on which the aircraft lands, a housing portion to monitor state data by housing or charging the aircraft, and a sensor to assist in landing of the aircraft by allowing the aircraft to communicate with the apparatus. The apparatus enhances operational efficiency by reducing a travel time of the aircraft.

A client terminal acquires from a server terminal one or more document information which includes at least a thumbnail image and document identification information for identifying document data corresponding to the thumbnail image, and includes first annotation data and/or second annotation data associated with the document identification information. If first annotation data is included in respective acquired document information, the client terminal displays a thumbnail image with which the first annotation data is combined, as a list with thumbnail view, on a display unit. If the second annotation data is included in specified document data, the client terminal individually displays specified document data with which the second annotation data is combined, on a display unit.

Methods and systems are provided to improve engine temperature control. Cylinders scheduled for deactivation may have their exhaust retained in the cylinder by holding an exhaust valve closed on the preceding firing cycle. In this way soot emissions on reactivation are reduced.

An apparatus for controlling an operation of a reciprocating compressor includes a inductance increasing device connected to a motor of the reciprocating compressor, so that a surge current generated when power is applied to the reciprocating compressor at an initial stage is reduced and thus an initial stroke of the reciprocating compressor is reduced. Accordingly, operational efficiency of the reciprocating compressor is improved.

Several embodiments of the present invention provide a means for reducing overhead and, thus, improving operating efficiency in virtualized computing systems. Certain of these embodiments are specifically directed to providing a bypass mechanism for jumping directly from a first stack in the guest operating system to a second stack in the host operating system for a virtual machine environment. More specifically, certain embodiments of the present invention are directed to a system for and method of eliminating redundancy in execution of certain virtual machine commands and executing host environment equivalents by using bypass mechanisms, thereby bypassing redundant software layers within the guest and host stacks. For some of these embodiments, the bypass mechanism operates at a high-level component of the stack or, alternatively, the bypass mechanism operates at a low-level component of the stack.

A dynamic random access memory cell having vertical channel transistor includes a semiconductor pillar, a drain layer, an assisted gate, a control gate, a source layer, and a capacitor. The vertical channel transistor has an active region formed by the semiconductor pillar. The drain layer is formed at the bottom of the semiconductor pillar. The assisted gate is formed beside the drain layer, and separated from the drain layer by a first gate dielectric layer. The control gate is formed beside the semiconductor pillar, and separated from the active region by a second gate dielectric layer. The source layer is formed at the top of the semiconductor pillar. The capacitor is formed to electrical connect to the source layer.

A method is disclosed for reducing levels of residual halogen and Group IIIb metals in a crude poly(α-olefin) polymerized in the presence of a catalyst comprising the halogen and Group IIIb metals, wherein the method comprises: A) washing the crude poly(α-olefin) with water; B) separating the aqueous and organic phases; C) then adding an adsorbent selected from the group consisting of magnesium silicates, calcium silicates, aluminum silicates, aluminum oxides, and clays to the organic phase to form a slurry; D) heating the slurry under reduced pressure at a temperature of at least about 180° C. for at least about thirty minutes; and then E) separating the adsorbent from the slurry.

The present invention discloses a calculation method of movement authority for communications-based train control system, comprising: handling a route information for a train, and determining a searching range of the train according to the route information; initializing the limit of movement authority with the end position of the searching range; searching for static obstacles within the searching range, and successively determining whether each static obstacle meets the safety requirements for train operating, if not, setting the position of the last static obstacle within the searching range as the limit of the movement authority; if so, modifying the limit of movement authority as the end of route having been matched; searching for dynamic obstacles within the searching range, and determining whether there is a train, if so, modifying the end of movement authority as the beginning point of the track section where the train is occupying; if there is no dynamic obstacle within the searching range, modifying the final end is of movement authority as the position of the last static obstacle within the searching range. In accordance with the present invention, it is possible to increase line capacity and improve traffic fluidity for rail transit.

In a hybrid vehicle driving apparatus having an input shaft connected to an engine, an output shaft connected to wheels, a first planetary gear mechanism whose sun gear is connected to the input shaft, a second planetary gear mechanism whose carrier is connected to the input shaft, a mechanism reducing rotation speed of the input shaft and transmit to the first planetary gear mechanism carrier, a clutch connecting/disconnecting the first planetary gear mechanism carrier and the second planetary gear mechanism sun gear, and a clutch connecting/disconnecting ring gears of the first and second planetary gear mechanisms, the second planetary gear mechanism ring gear is connected to the output shaft and an electric rotating machine is connected to the first planetary gear mechanism carrier, thereby enabling to make a vehicle run only with the engine, while improving the operation efficiency on the high ratio side.

A management system for improving operation of a plant. A server is coupled to the management system for communicating with the plant via a communication network. A computer system has a web-based platform for receiving and sending plant data related to the operation of the plant over the network. A display device interactively displays the plant data. An optimization unit is configured for optimizing at least a portion of a refining or petrochemical process of the plant by acquiring the plant data from the plant on a recurring basis, analyzing the plant data for completeness, correcting the plant data for an error. The optimization unit corrects the plant data for a measurement issue and an overall mass balance closure, and generates a set of reconciled plant data based on the corrected plant data.

Methods and systems are provided for particulate matter control in an engine configured for skip-fire operation. A cylinder pattern selected for selective cylinder deactivation, including a total number of deactivated/active cylinders as well as individual deactivated cylinder identities, may be adjusted based on an engine soot load, or a parameter indicative of engine soot load such as engine coolant temperature. In addition, reactivated engine cylinders may be transiently operated with split fuel injection to raise combustion surface temperatures.