58results about How to "Guaranteed adjustment stability" patented technology

The invention relates to a method for the start of a power plant installation (10), which comprises a gas turbine (2), a generator (18) coupled to the gas turbine (2), and a frequency converter (27) to feed current into an electrical grid (1). In accordance with the method, during the start of the gas turbine (2), the generator (18) is connected to the electrical grid (1) via the frequency converter (27) before the operating rotational speed of the gas turbine (2) is reached, wherein the frequency converter (27) is controlled such that it generates an output current with the grid frequency. The invention further relates to a power plant installation (10) for the execution of such a method.

A mounting structure of a front body frame in a vehicle, wherein, by improving the mounting structure between a body shell and a chassis around an engine compartment in the vehicle, it may secure the stability of the vehicle as well as the rigidity of the vehicle. As a mounting structure of a front body frame in a vehicle, in which a circumference of an engine compartment includes side members arranged at both lower parts of an engine compartment, a dash panel arranged fin order to form a boundary between the engine compartment and a vehicle compartment, a tire apron arranged at an upper side of both side members, a shock absorber cover arranged on the tire apron, and a cowl panel arranged at an upper side of the dash panel, the mounting structure may include: a pair of support members whose lower part is equipped to be fixed on both side members and whose upper part is equipped to be fixed on the dash panel; a cowl member whose each of two edges are connected to an upper side of the pair of support members by welding, the cowl member arranged to support a lower side of the cowl panel; a pair of side frames arranged at the lower side of the side members along an extension line where the lower part of the support members is extended; and a cross member arranged so that each of the lower parts of the side frames are mutually connected, wherein each of the cowl member, the support members, the side frames and the cross member are connected to be a ring shape.

A display apparatus includes display means for displaying an image, a light source that irradiates light to the display means, and control means for controlling the quantity of light of the light source with pulse width modulation. The control means controls the quantity of light of the light source based on the ratio of the light-on period with pulse width modulation to the light-off period when the light source is turned off.

A mounting structure of a front body frame in a vehicle may include: a pair of support members whose lower part is equipped to be fixed on both side members and whose upper part is equipped to be fixed on the dash panel; a cowl member whose each of two edges are connected to an upper side of the pair of support members by welding, the cowl member arranged to support a lower side of the cowl panel; a pair of side frames arranged at the lower side of the side members along an extension line where the lower part of the support members is extended; and a cross member arranged so that each of the lower parts of the side frames are mutually connected, wherein each of the cowl member, the support members, the side frames and the cross member are connected to be a ring shape.

A head assembly includes a slider having a head element, a load beam, a fulcrum formed at a top end section of the load beam, a slider support plate for supporting the slider to freely turn around the fulcrum, at least one drive element for applying a turning force to the slider support plate in a plane thereof, a first linear link part having at both ends a first top end joint part mechanically connected to the slider support plate, and a first base end joint part mechanically connected to the load beam, and a second linear link part having at both ends a second top end joint part mechanically connected to the slider support plate, and a second base end joint part mechanically connected to the load beam. Both of an extended line of the first linear link part and an extended line of the second linear link part travel toward a position of the fulcrum and intersect with each other.

Disclosed is a variable gain amplifier. The variable gain amplifier includes a gain control unit to transmit input differential signals as they are when it operates in a high gain mode, and to transmit the signals by way of predetermined impedances when operating in a low gain mode, and an amplification unit to amplify the input differential signals output from the gain control unit.

A multi-lens camera module comprises at least two lens modules located side-by-side. Each lens module can be a voice coil motor (VCM) lens module having an auto-focusing (AF) or / and an optical image stabilizer (OIS) functions. The surface where two lens modules are adjacent with is called the neighbouring surface. A projection view on the neighbouring surface of a plurality of secondary driving magnets of these lens modules located at two sides of the neighbouring surface includes at least one secondary driving magnet which has two opposite edges with unequal length; in addition, shapes of these two opposite edges include at least one of the following: slope, arc and straight line. These secondary driving magnets are arranged across the neighbouring surface in a staggered manner.

A semiconductor integrated circuit capable of reducing the influence of the difference in ambient temperature etc. and realizing a stable phase adjustment circuit has been disclosed. The semiconductor integrated circuit comprises a delay time adjustment circuit for delaying the rising edge or the falling edge of an input signal and changing the amount of delay, a comparison circuit for comparing an output signal from the delay time adjustment circuit with a predetermined voltage, a high-level shift circuit for shifting an output signal from the comparison circuit into a signal on the basis of an output reference voltage, and an output amplifier circuit for amplifying an output signal from the high-level shift circuit and outputting a signal for driving the semiconductor device, wherein the delay time adjustment circuit, the comparison circuit, the high-level shift circuit, and the output amplifier circuit are formed on a single chip.

To reduce the number of components of the automatic shoe clearance adjustment apparatus and to improve the ease of assembly of the same, the proximal portion of the driving member is fixed on the strut. The operating portion and the arm of the driving member are integrally formed therewith is placed between the brake shoe and the strut. The operating portion together with the arm of the driving member are moved (rotated) so as to follow the movement of the brake shoe by utilizing the resilient force of the driving member, and the pawl at the end of the arm drives the adjustment teeth of the strut to extend the entire length of the strut.

A hydraulic shock absorber includes a damping force generation unit and a damping force adjustment unit. The damping force adjustment unit includes a push rod that changes an opening area of an oil path formed in a piston rod, an electric motor functioning as a driving source, and a feed screw mechanism that converts rotation of the electric motor into linear movement of the push rod. The feed screw mechanism includes a first slider that is screwed to an output shaft of the electric motor in an advanceable / retractable manner, a second slider is fitted movably to the first slider, and a set spring that pushes the second slider against one end of the push rod.

In a phase locked loop circuit, a phase comparator compares the phase of input clock and that of output clock, and provides a control signal as the comparison result. A charge pump circuit includes a clamp circuit, and based on the control signal, provides a control voltage of which lower limit is the reference voltage level. A voltage controlled oscillator receives the control voltage and a second control voltage from the outside and generates output clock having a frequency in accordance with the control voltages. Each delay stage of a delay section is configured with a plurality of delay units identical to that in the voltage controlled oscillator. The delay stage controls the delay time in response to the supply of the control voltage and the second control voltage.

An optical device according to the present invention is easy to finely adjust at least part of the lens optics and stable to secure the fine adjustment without decentering the part of the lens optics. The optical device includes a fixed lens barrel and a lens frame capable of sliding linearly along the optical axis and circumferentially about the same in relation with the fixed lens barrel where the fixed lens barrel and the slidable lens frame are mated with each other in cam engagement, and the fixed lens barrel is rotated relative to the slidable lens frame so as to move the slidable lens frame. While a fixing screw is fitted in the slidable lens frame, two elements engaged with the fixing screw pinch the fixed lens barrel between them so that the fixing screw is secured to the fixed lens barrel and that the slidable lens frame is secured to the fixed lens barrel.

A variable valve actuator presses rocker arms using force transmitted from a drive cam to open / close valves of an engine, and includes a swing arm, which is pivotably coupled to the engine on a first side thereof, and at least two pressing means, which come into contact with the rocker arms on first sides thereof, are pivotably coupled to a second side of a swing arm on second sides thereof, and press the rocker arms when pressed by the drive cam. Thereby, the variable valve actuator can adjust a lift time and a lift distance of each valve without changing positions of the drive cams and the camshaft, and more easily adjust the lift time of each valve, and have very excellent applicability to the engine due to simple internal configuration.

A rake has two side members attached perpendicularly to the rake so as to form an H-shaped frame system. A swivelable wheel is mounted at each corner of the frame. The frame fully stabilizes the rake in a position approximately level with a ground surface as the rake is pulled across the ground by a tractor or other vehicle. The wheels are adjustable both vertically and horizontally by inserting or removing rings on a shaft holding each wheel, and by telescoping parts of the frame into each other. The invention is useful either as a combined rake / stabilizer system, or as a kit for retrofitting existing rakes.

A head assembly includes a slider having a head element, a load beam, a fulcrum formed at a top end section of the load beam, a slider support plate for supporting the slider to freely turn around the fulcrum, at least one drive element for applying a turning force to the slider support plate in a plane thereof, a first linear link part having at both ends a first top end joint part mechanically connected to the slider support plate, and a first base end joint part mechanically connected to the load beam, and a second linear link part having at both ends a second top end joint part mechanically connected to the slider support plate, and a second base end joint part mechanically connected to the load beam. Both of an extended line of the first linear link part and an extended line of the second linear link part travel toward a position of the fulcrum and intersect with each other.

An optical disc apparatus includes a servo gain adjuster, which includes a disturbance signal supplying unit that generates plural disturbance signals of different frequencies and supplies them in sequence to a servo loop, a gain characteristic measuring unit that measures a deviation of a servo gain characteristic of the servo loop based on each disturbance signal passed through the servo loop, an average gain characteristic calculating unit that calculates the average of deviations of plural servo gain characteristics measured by the gain characteristic measuring unit in response to the plural disturbance signals supplied from the disturbance signal supplying unit, and a gain adjustment amount determining unit that determines an amount of adjustment to the servo gain of the servo loop based on the average of the deviations of the servo gain characteristics that is calculated by the average gain characteristic calculating unit. The optical disc apparatus can provide stable adjustments to the servo gain of the servo control that causes the focused spot of light to follow the recording track of an optical disc.

A stereoscopic camera for recording the surroundings is provided with a right and a left image sensor having one lens each to display the surroundings on the image sensors, with the image sensors and the lenses being held by a carrier side-by-side and at a distance in reference to each other. The stereoscopic camera is additionally provided with a circuit board arranged on the carrier and comprising at least the signal and the supply lines of both image sensors. The image sensors are each mounted on a carrier substrate, which similar to the lenses, are arranged on the carrier and are distanced in reference to the circuit board, and have a flexible electric connection to the circuit board.

An arrangement for increasing resolution of a laser scanning microscope has a simplified adjustment and lower susceptibility to errors. The pupil beam from the laser scanning microscope is coupled into a shortened common path interferometer, to make wavefronts of a pupil image mirrored at at least one axis and wavefronts of an unchanged pupil image interfere. The area of a pupil from the pupil beam is split into two complementary portions P and Q producing two partial beams separately supplied to at least one beam deflection means by total-internal reflection along the common path interferometer. The light of the interferometer branches from transmitted light of the one interferometer branch and reflected light of the other interferometer branch is made to interfere at a partly transmissive beam splitter layer to cause constructive interference C and destructive interference D of the wavefronts from the two different portions P and Q of the pupil.

A rake has two side members attached perpendicularly to the rake so as to form an H-shaped frame system. A swivelable wheel is mounted at each corner of the frame. The frame fully stabilizes the rake in a position approximately level with a ground surface as the rake is pulled across the ground by a tractor or other vehicle. The wheels are adjustable both vertically and horizontally by inserting or removing rings on a shaft holding each wheel, and by telescoping parts of the frame into each other. The invention is useful either as a combined rake / stabilizer system, or as a kit for retrofitting existing rakes.

In a phase locked loop circuit, a phase comparator compares the phase of input clock and that of output clock, and provides a control signal as the comparison result. A charge pump circuit includes a clamp circuit, and based on the control signal, provides a control voltage of which lower limit is the reference voltage level. A voltage controlled oscillator receives the control voltage and a second control voltage from the outside and generates output clock having a frequency in accordance with the control voltages. Each delay stage of a delay section is configured with a plurality of delay units identical to that in the voltage controlled oscillator. The delay stage controls the delay time in response to the supply of the control voltage and the second control voltage.

The invention discloses a software behavior adjusting method based on multivariable control. The method comprises the following steps: analyzing the functional logic of target software, determining adjustable configuration parameters influencing the resource consumption of the target software in the working process of the target software, and establishing a mathematical model, namely a transfer function matrix, between the adjustable configuration parameters and software behaviors; designing a decoupler and a control loop for the transfer function matrix by applying a multivariable control theory, and constructing an independent adjusting loop for each software behavior needing to be dynamically adjusted; and attaching the designed decoupler and control loop to the original software logicin an asynchronous execution mode, and adjusting the software behavior in a set adjustment period. According to the method, theoretical knowledge of control engineering and software engineering is combined, the online adjustment problem of actual software under various software behavior scenes needing to be regulated and controlled is effectively solved, and the whole method is simple and convenient to design and apply.

The invention relates to building auxiliary equipment, and particularly relates to a heightening device for connecting a climbing frame with a building structure. The heightening device comprises a mounting plate, wherein the mounting plate is fixedly connected with a sleeve plate through a connecting block and a bolt; a reinforcing plate for reinforcing connection of the sleeve plate is fixedly connected between the side wall of the mounting plate and the top of the sleeve plate through a bolt; a sliding plate is slidably connected in the sleeve plate in an attached manner; a transverse groove is formed in the sliding plate; the sleeve plate is connected with a length adjusting structure for adjusting the position of the sliding plate; and the length adjusting structure comprises a rotating plate, a first bearing, a rotating shaft, a round rod, a threaded rod, a second bearing, a first bevel gear and a second bevel gear. The overall length of the heightening device is convenient to adjust, the adaptability is high, requirements of different structures and different consumers are met, meanwhile, a construction unit does not need to be provided with various heightening devices, andproduction increase is avoided.

A piezoelectric element of a tuning fork resonator comprises a base portion and a plurality of leg portions. Drive electrodes are formed on top and bottom major surfaces and both side surfaces of each leg portion. The drive electrodes have polarities different between on the top and bottom major surfaces and the both side surfaces. The drive electrodes on the side surfaces are connected to each other. Further, metal film for frequency adjustment is formed on a tip portion of each leg portion of the piezoelectric element. The frequency adjustment is performed by removing the metal film formed on at least one surface of side surfaces and a tip surface of the tip portion by beam irradiation.

An apparatus and a method for removing unburned carbon from fly ash capable of suppressing facility cost and stably conducting performance adjustment depending on property of the fly ash. The method comprises the steps of: adding water to fly ash to produce slurry; adding collector to the slurry, feeding the slurry and the collector to a static-type mixer 4, a venturi pipe 24 or the like to add shearing force to them; adding frother to them to generate air bubbles; and adhering unburned carbon of the fly ash to the air bubbles to raise the unburned carbon. The frother and air can be fed to the static-type mixer or the like together with the slurry and the collector. Depending on the change in property of the fly ash, the number of the static-type mixers or the like used in series can be increased or decreased, and depending on required capacity, the number of the static-type mixers or the like used in parallel may be increased or decreased. The static-type mixer may comprise a guide vane chamber 4b with plurality of guide vanes 4d for converting the slurry and the like, which are fed to the chamber, to spiral flow, and a current cutter chamber 4c with plurality of mushroom-shaped projections 4e for adding shearing force to the slurry and the like.

A multi-lens camera module comprises at least two lens modules located side-by-side. Each lens module can be a voice coil motor (VCM) lens module having an auto-focusing (AF) or / and an optical image stabilizer (OIS) functions. The surface where two lens modules are adjacent with is called the neighbouring surface. A projection view on the neighbouring surface of a plurality of secondary driving magnets of these lens modules located at two sides of the neighbouring surface includes at least one secondary driving magnet which has two opposite edges with unequal length; in addition, shapes of these two opposite edges include at least one of the following: slope, arc and straight line. These secondary driving magnets are arranged across the neighbouring surface in a staggered manner.

The invention provides an adjusting device for a driven feeding roller in a packing bag conveying device, and belongs to the technical field of machines. According to the adjusting device, the problemof poor stability in the prior art is solved. The adjusting device for the driven feeding roller in the packing bag conveying device comprises a sliding block, an adjusting rod and a fixed seat, a transverse beam is provided with a guide rail, the sliding block is connected to the guide rail and can horizontally move along the guide rail, the inner end of the adjusting rod is axially and fixedlyconnected with the sliding block, the fixed seat is fixedly connected to the transverse beam, and the outer end of the adjusting rod is in threaded connection with the fixed seat. The adjusting devicefor the driven feeding roller in the packing bag conveying device is high in stability.