61results about How to "Quick Response Features" patented technology

A method for controlling damping force in an electronically-controlled suspension apparatus on the basis of a judgment reference value for judging a road surface during a vehicle driving time uses a comparison of the judgment reference value with a predetermined threshold value. And the road surface is judged according to a result of the comparison. Then, the damping force is controlled in response to the road surface judgment. The road surface judgment is maintained for a predetermined road surface judgment maintenance time.

The invention provides a controller of a steering engine. The controller comprises a zeroing circuit, a steering engine feedback position circuit, a target signal conditioning circuit, a target angle and actual angle processing circuit, a direction control circuit, a signal selecting circuit, a PWM (Pulse-Width Modulation) signal generating circuit, a PID (Proportion Integration Differentiation) conditioning circuit, a carrier signal generating circuit, a signal isolating circuit, an over-current protecting circuit, a current sampling circuit, a power pipe driving circuit, an H bridge inverter circuit, a current sampling circuit and a power supply circuit. According to the controller of the steering engine provided by the invention, the common elements are adopted, so that the cost is reduced; with the adoption of the mature technology, the reliability can be ensured; and a PID control technology, a PWM control technology, a target signal and actual signal processing technology, an over-current protecting circuit technology, an isolating technology and the like are achieved by adopting discrete electronic elements; and as an experiment shown, the controller of the steering engine has the characteristics of being quick in response and good in tracking and meets the performance of controlling the steering engine.

An optic modulator may include: an optical waveguide including a ridge-shaped portion having a first region and a second region over the first region; a slab-shaped portion being in contact with a first region of the ridge-shaped portion; an optical waveguide electrode forming a Schottky contact with a second region of the ridge-shaped portion; metal plugs being in contact with the slab-shaped portion and the optical waveguide electrode, respectively; and metal pads connected to the respective metal plugs.

The invention discloses a marine medium speed diesel engine high pressure common rail system hardware-in-loop simulation test platform and a test method. The test platform comprises a common rail system auxiliary unit, a common rail execution mechanism, a virtual marine medium speed diesel engine, an electric control unit, a test platform monitoring system and a local control system. The complete high pressure common rail execution mechanism and the electric control unit are integrated; the virtual diesel engine is used for providing an actual working condition for the electric control unit and the local control system, and the test platform is highly integrated and comprehensive, and research and test on features of the high pressure common rail system, control strategies and performance of the execution mechanism can be carried out. The complete common rail system is kept, fuel pump operation, fuel injection and diesel engine operation state parameters which are the same as those of a real diesel engine can be realized in a lab, working condition changes of the virtual diesel engine can be realized through steering a telegraph lever, and the test platform of the invention can serve as research and teaching equipment for the marine diesel engine high pressure common rail system and has promotion and use values.

The invention discloses a high-resistance ZnO thin film based photoconductive X-ray detector and a preparation method therefor. The photoconductive X-ray detector comprises a shell, two leads, and an electrode layer, a ZnO film layer and a substrate which are arranged in the shell from upper to lower in sequence; the electrode layer comprises multiple Al films distributed at equal intervals; one lead is connected with a part of the Al films while the other lead is connected with the other part of the AL films; and the AL films connected with two leads are distributed in a staggered manner. The photoconductive X-ray detector has the characteristics of low noise, high sensitivity and rapid response, as well as relatively low preparation cost.

The invention discloses a high-power ultrashort-pulse optical frequency comb generation method based on a self-similar amplifier. The high-power ultrashort-pulse optical frequency comb generation method is based on self-similar amplification technology and effectively overcomes gain narrowing, bandwidth limitation and nonlinear phase distortion in pulse amplification. A light spectrum is effectively expanded, and the bandwidth of an output pulse is reduced. Furthermore the power of a mode-locked pulse is effectively expanded, thereby acquiring a high-power femtosecond pulse and improving carrier envelope phase zero-frequency locking precision. Furthermore carrier envelope phase zero-frequency locking technology based on an acoustic-optical crystal frequency shifter is utilized, thereby realizing large reaction bandwidth and high control precision, and realizing a high-frequency high-power ultrashort-pulse optical frequency comb through real-time control. The high-power ultrashort-pulse optical frequency comb generation method is advantageous in that the high-power ultrashort-pulse optical frequency comb generation method can be directly expanded and applied on femtosecond optical frequency comb control technology for obtaining the stable high-frequency high-power ultrashort-pulse optical frequency comb.

A valve device and a method directly inject gaseous fuel into a combustion chamber. A rapid response in a simple and compact design is achieved by a piezoelectric, magnetostrictive, or electromagnetic actuator that acts on a transmission device that comprises at least two levers, which are connected in series to increase the lift of the actuator to actuate a valve. An associated sensor device detects the position of a valve element, such that the actuator can be controlled to reduce the free play between the actuator and the valve.

A force generator is configured for attachment to a structure in order to controllably introduce vibrational forces into the structure in order to influence the vibration thereof. The force generator encompasses a flexural arm that is fastenable at least at one end to the structure; and an inertial mass that is coupled to the flexural arm remotely from the fastening end of the flexural arm; the flexural arm being equipped with at least one electromagnetic transducer, and a driving system being provided for the transducer, which system is set up such that by driving the transducer, it warps the flexural arm with the inertial mass and the transducer, and thereby displaces the inertial mass, in such a way that vibrational forces of variable amplitude, phase, and frequency are introducible into the structure.

Shape memory and pseudoelastic martensitic behavior is enabled by a structure in which there is provided a crystalline ceramic material that is capable of undergoing a reversible martensitic transformation and forming martensitic domains, during such martensitic transformation, that have an elongated domain length. The ceramic material is configured as a ceramic material structure including a structural feature that is smaller than the elongated domain length of the ceramic material.

A static electricity discharge circuit applied to a highly integrated semiconductor circuit includes a discharge unit connected with the input / output pad by a node and providing, in parallel to the node, a first discharge path connected with a power voltage line and a second discharge path connected with a ground voltage line, an electrostatic detection unit including a diode chain connected to the node and detecting a detection voltage corresponding to static electricity inputted to the node, and a clamp unit switching the discharge path between the power voltage line and the ground voltage line by the detection voltage of the electrostatic detection unit.

A constant current driving circuit for supplying a constant current to a load circuit includes: a first driver circuit having a pulse width converting circuit for converting a first difference detection signal into a pulse signal having a pulse width corresponding to a signal level of the first difference detection signal, a switch turned on / off on a basis of the pulse signal, and a smoothing circuit for supplying a smoothed first load current to the load circuit; a first current detecting circuit for converting the first load current into a first voltage corresponding to the first load current, and outputting a first current detection signal; a second driver circuit for supplying a second load current to the load circuit on a basis of a signal level of a second difference detection signal; a second current detecting circuit for converting the second load current into a second voltage corresponding to the second load current, and outputting a second current detection signal; a first difference detecting circuit for calculating the first difference detection signal to make zero a difference between the first current detection signal and an input voltage; a second difference detecting circuit for detecting a difference voltage between the first current detection signal and the input voltage, and outputting a third difference detection signal; and a third difference detecting circuit for detecting a difference voltage between the third difference detection signal and the second current detection signal, and outputting the second difference detection signal.

Shape memory and pseudoelastic martensitic behavior is enabled by a structure in which there is provided a crystalline ceramic material that is capable of undergoing a reversible martensitic transformation and forming martensitic domains, during such martensitic transformation, that have an average elongated domain length. The ceramic material is configured as an oligocrystalline ceramic material structure having a total structural surface area that is greater than a total grain boundary area in the oligocrystalline ceramic material structure. The oligocrystalline ceramic material structure includes an oligocrystalline ceramic structural feature which has an extent that is less than the average elongated domain length of the crystalline ceramic material.

The invention discloses a zinc oxidenanorod-carbon nanotubealcohol sensor and a preparation method thereof, and belongs to the technical field of gas detection. Thealcohol sensor comprises a ceramic tube, a sensitive layer on the ceramic tube, a testing electrode and a heating electrode, wherein the sensitive layeris made of a zinc oxidenanorod-carbon nanotubecompositematerial. The preparation method of the sensor comprises the following steps: firstly, preparing the zinc oxidenanorod-carbon nanotubecompositematerial; secondly, preparing an indirectly heatedsinteredgas-sensitive element. The lower detection limit of the gas-sensitive sensor to alcohol reaches 2ppm, and meanwhile the sensor has short response time, relatively high repetition stability and relatively high sensitivity.

The invention relates to a method for determining the cetane number CN of fuel. The fuel is injected into at least one cylinder (3) in an explosive motor with engine control system for combustion; and the exhaust is discharged from the at least one cylinder (3) by at least one exhaust pipe (2). A method is provided for determining the cetane number CN of fuel in the explosive motor operation more accurately than the current known methods with effective cost; the method comprises: using the sensor (1) provided in at least one exhaust pipe (2); measuring and detecting the concentration C of exhaust component; using the concentration C as the input variable of characteristic graph stored in the engine control system; and reading out the cetane number CN of the used fuel from the characteristic graph as the output variable.

A multiplexing control system has a common process input / output unit for distributing process signals from sensors for measuring the same state variable of a process to digital controllers. One process input / output unit for inputting / outputting a process signal between the multiplexing control system and plant is provided for each process signal. The process input / output unit for the process signal of high importance is triplexed. A process controller having an operating function is provided to each of the triplexed process input / output units. A process input / output unit for the process signal of intermediate importance is diplexed. A process input / output unit for the process signal of low importance is monoplexed. The process signals of the diplexed process input / output units and the monoplexed process input / output unit are controlled by a controller having a master right among the process controllers.

There is provided a multi-turn hydraulic actuator used to open / close a passageway in ground and sea industries including general industrial machines, oil refineries and chemical plants and power generating plants, among others, and more particularly, a multi-turn hydraulic actuator comprising: a hydraulic motor and a decelerator, among others, whereby high torque is efficiently obtained by using low electric power, compared to a conventional electric actuator, and whereby an operation part and a drive part are freely attached to / detached from at a user's necessity.

A transmission apparatus comprises a plastic fiber, and a photodetector for detecting light, which has been propagated through the plastic fiber. The photodetector comprises a plurality of semiconductor light receiving devices, whose light receiving sensitivity wavelength regions are identical with one another, each of the semiconductor light receiving devices having a light receiving area smaller than a cross-sectional area of a core of the plastic fiber. The transmission apparatus is capable of achieving both a high light receiving efficiency and quick response characteristics.

There is provided a multi-turn hydraulic actuator used to open / close a passageway in ground and sea industries including general industrial machines, oil refineries and chemical plants and power generating plants, among others, and more particularly, a multi-turn hydraulic actuator comprising: a hydraulic motor and a decelerator, among others, whereby high torque is efficiently obtained by using low electric power, compared to a conventional electric actuator, and whereby an operation part and a drive part are freely attached to / detached from at a user's necessity.In the multi-turn hydraulic actuator, the hydraulic motor is driven by using hydraulic pressure generated by a hydraulic pressure generator, a rotational force of the hydraulic motor is transmitted to a worm shaft of the decelerator directly connected to the hydraulic motor so that a driving shaft is rotated in a reduced speed, and the rotation of the worm shaft is selectively manually operated by setting a manual mode switch and using a manual handle.

The embodiment of the invention provides a page loading method, a page loading device, terminal equipment and a storage medium. When a page access request for a target page is received, if it is determined that the page access request is a first access request for the target page, the static page data of the target page are obtained from a content distribution network; and the target page is loaded and displayed according to the obtained static page data, wherein the static page data in the content distribution network are pre-stored in the content distribution network by a background server.Therefore, the static page data required for loading the page are not needed to be obtained from the background server each time, but obtained from the content distribution network, and therefore, theprocessing capacity of the background server is reduced; and due to the quick response characteristic of the content distribution network and the convenience of interaction between the terminal equipment and the content distribution network, the speed of obtaining the static page data by the terminal equipment is increased, and an overall page loading speed is increased.

An optical sensor circuit is disclosed. The optical sensor circuit includes: current generating means for generating a photocurrent with an amplitude proportional to the amount of incident light; switching means for switching the photocurrent of the current generating means in response to an output control signal; and circuit stabilizing means for stabilizing operation of the current generating means through an independent current feedback irrespective of operation of the switching means. Therefore, a feedback loop is not affected by the output control signal of an output control unit in order to be stably maintained, so that reliability may be enhanced. Further, by forming the optical sensor circuit with only transistors to be less affected by the process variation, uniformity of the optical sensor circuit may be improved and a wide range of operating voltage may also be provided to increase the signal conversion performance of the optical sensor circuit. Further, the optical sensor circuit may have faster response properties by providing the feedback loop having the high gain.