47results about How to "Change dynamics" patented technology

The invention relates to the discovery of novel mutant DNA polymerases that possess altered kinetics for incorporating phosphate-labeled nucleotides during polymerization. The invention further relates to the use of these mutant DNA polymerases in sequencing and genotyping methods.

In connection with authenticating a client of a network, information is acquired that characterizes the client in a manner that enables a determination about authenticating the client of the network, the information being acquired other than in the form of a digital message that is passed on behalf of the client to the network; an authentication decision is made based on the information. Information is encrypted in a manner that is based on a physical property of an intended recipient of the information, and delivering the encrypted information to the recipient. A source of a beacon is physically associated with a person, times of receipt of the beacon at multiple stations are measured, and the location of the person is determined based on the times of receipt. A set of stations is established that are configured to acquire information that characterizes each of multiple clients in a manner that enables a determination about authenticating each of the clients with respect to a corresponding network, the information being acquired other than in the form of digital messages that are passed on behalf of the clients to the corresponding networks. The information is provided to operators of the networks to enable them to make authentication decisions based on the information.

The invention discloses a vehicle queue stability control method considering communication delay. The method comprises the steps that 1, a vehicle queue following mathematical model is established; 2,a nonlinear lower layer control gain is constructed by a feedback linearization strategy, and a node power unit is described as a node linear model; 3, a high-dimensional closed-loop state equation of a vehicle queue following control system under dynamic parameter uncertainty is established; 4, sufficient conditions are used for giving sufficient conditions that a vehicle queue with communication delay has a stabilization controller under the symmetric communication topology; and 5, the stabilization controller is constructed to obtain a controller gain so as to control static feedback control of a distributed controller, and the stability of the vehicle queue following control system is ensured. The method can ensure the stability of the vehicle queue following control system, reduces the vehicle queue following interval, increases the traffic flow, and reduces the energy consumption.

The invention relates to a preparation method of a single crystal lithium-rich manganese-based anode material. In the process of preparing a single crystal lithium-rich manganese-based anode materialby calcining a lithium-rich manganese-based material precursor, the method comprises the following steps: S1, firstly, pre-sintering the lithium-rich manganese-based material precursor, and carrying out crushing treatment to obtain scattered oxide of the lithium-rich manganese-based material precursor; S2, uniformly mixing the oxide of the lithium-rich manganese-based material precursor with a lithium source and then sintering to obtain the oxide of the lithium-rich manganese-based material precursor. More preferably, a small amount of additive is mixed while mixing lithium after pre-sinteringand crushing; and the mixed additive may induce crystal growth and grain boundary fusion, which is favorable for forming a single crystal and improving the structure of the crystal; pre-sintering andcrushing can reduce the particle diameter to a relatively desirable range, so that the sintered body has better kinetic performance and achieves better mixing uniformity when mixing lithium and mixing the additive, to promote the formation of the single crystal. By means of such a preparation method, a lithium-rich manganese-based anode material having a high degree of single crystallization anda uniform particle diameter can be obtained.

The invention discloses a vehicle queue stability control method considering vehicle dynamics parameter uncertainty. The method comprises the steps that 1 a mathematical model of vehicle queue following is established; 2 nonlinear lower-layer control gain is constructed through a feedback linearization strategy to describe a node dynamic unit as a node linear model; 3 the high-dimensional closed-loop state equation of a vehicle queue following control system under dynamics parameter uncertainty is established; 4 the stability of the high-dimensional closed-loop state equation is converted intothe stability of several low-dimensional sub-modal systems, and sufficient conditions for the existence of a stabilization controller for vehicle queues with dynamics parameter uncertainty under symmetric communication topology are given; and 5 the sufficient conditions are used to propose a low-dimensional Riccati inequality, and the solution of the Riccati inequality is used to construct a stabilization controller to acquire controller gain. The method provided by the invention can ensure the stability of the vehicle queue following control system, reduces the following interval of vehiclequeues, increases traffic flow, and reduces energy consumption.

The invention discloses a magnetorheological damper for an automotive suspension. The magnetorheological damper is characterized by comprising a single-rod hydraulic cylinder, a dustproof cover, connectors, a free piston and a one-way inflation valve, wherein magnetorheological fluid is filled in an inner cavity of the single-rod hydraulic cylinder; an excitation coil is wound in the middle of the piston; a gap is formed between the piston and an inner wall of the cylinder body, so that the magnetorheological fluid returns between two cavities through the gap; a wire hole is formed on a central axis of the piston and the piston rod; a wire is arranged in the wire hole and is connected with the excitation coil; the one-way inflation valve is arranged on the inner side of an end cover of a volume compensation cavity; an air vent is formed on the end cover; the dustproof cover is arranged at one end of the single-rod hydraulic cylinder; the output end of the piston rod is arranged in the dustproof cover; and the connectors are arranged at the ends of the dustproof cover and the cylinder body. The upper and lower connectors are respectively connected to the frame and an axle of an automobile and are connected in parallel with a suspension spring, and the magnetorheological damper is reasonable in design, simple in structure and adjustable in damping performance.

A concussive reduction helmet attachment system which reduces the total area available for acceleration of the head in all axis, specifically designed to provide a measured reduction in accelerative force at the critical moment within the blow. A helmet attachment that reduces the factors that contribute to mechanical transfer of energy to the brain thereby reducing potential traumatic brain injury, concussions and neck compression. A helmet augmentation for body-contact sport helmets, also having utility for military ground based personnel helmets where blunt force trauma injury to the head and neck are apt to occur. A concussive helmet attachment having a Translational Axial Rotation Control Bracing System (TARCBS) that transfers mechanical energy to the torso, reduces available area for linear and rotational acceleration while reducing potential for neck and spinal injury. A concussive helmet attachment having two construction types, single and multiple component and three embodiments: hard, soft and mechanical.

The invention belongs to the intelligent transportation field, provides a vehicle distributed controller gain solving method and device of a homogeneous vehicle queue and solves a distributed controller gain through relatively small calculation amount. The method comprises steps that a vehicle following error convergence coefficient delta of the homogeneous vehicle queue is determined; a symmetric positive definite matrix P for making inequality equations described as the specifications set up is solved; according to a formula described as the specifications, the vehicle distributed controller gain of the homogeneous vehicle queue is calculated. The method is advantaged in that on one hand, excellent decoupling of design of the vehicle distributed controller gain K and a specific communication topology structure of the homogeneous vehicle queue is realized, and excellent universality is realized, on the other hand, the calculation amount of the formula described as the specifications and the inequality equations described as the specifications is small, and the method is quite suitable for engineering practices.

The embodiments of the invention provide a zoom lens, a zoom method, a terminal and a computer readable storage medium. The zoom lens includes n lenses; the n lenses are successively arranged in an optical axis direction; n is a positive integer greater than or equal to 2; an aperture is arranged parallel to the n lenses in an optical axis direction; the aperture is arranged at the tail end of theoptical axis and parallel to the n lenses to form an image plane; the n lenses include m variable curvature lenses and n-m aspherical lenses; the top end and bottom end of each variable curvature lens of the m variable curvature lenses are provided with driving parts; m is a positive integer greater than 1 and less than n; by changing the power of the driving parts corresponding to the m variablecurvature lenses, the radiuses of curvature of the m variable curvature lenses are changed, and an incident angle is obtained; and after receiving incident light corresponding to an object space, under the action of a beam of light of the aperture, and through the n lenses, the incident light is reflected to the image plane to be an image at an incident angle.

The invention provides a dynamic characteristic self-adapting matching micro structure array precise processing machine tool, which comprises a Y-direction moving mechanism, an X-direction moving mechanism and a Z-direction precise punching mechanism, wherein the X-direction moving mechanism is fixedly arranged on a base through an X-direction support frame, the Z-direction precise punching mechanism is arranged X-direction guide rails of the X-direction moving mechanism through an X-Z linkage platform and an X-Z composite guide rail slide block, and realizes the X-direction movement under the X-direction driving by the X-direction moving mechanism, and a workpiece is placed on a Y-direction moving platform of the Y-direction moving mechanism and realizes the Y-direction movement through the Y-direction moving mechanism. The Z-direction precise punching mechanism can realize the fine regulation on dynamic characteristics according to different punching frequencies, the consistent dynamic response performance is obtained, in addition, the position force switching composite control can be realized, and the consistency processing of the micro structure array is realized. The invention provides a precise micro punching machine tool with the advantages that the aligning time is shortened, the moving deviation is reduced, and the processing efficiency and the processing precision are improved.

The invention provides a network communication node for a power line communication network and a data transmission method for the same. The network communication node can be used for receiving broadcast messages from a gateway, judging whether the overall load of the power line communication network is changed or not according to the broadcast messages, and dynamically changing routing paths of data transmission according to the content of the load change if the overall load of the power line communication network is changed.

The invention discloses a novel active air foil bearing. The bearing comprises a shaft sleeve, the PZTs, the flexible hinges, rigid push rods, precompression exertion devices, wave foil and top foil; the shaft sleeve is machined through wire cutting, three PZT mounting through grooves circumferentially and evenly distributed, the corresponding flexible hinges and the corresponding rigid push rods are obtained, the top ends of the rigid push rods are flush with the inner cylindrical face of the shaft sleeve, the PZTs are mounted in the through grooves, the corresponding precompression exertion devices are designed for the PZTs, the wave foil is formed by pressing of elastic materials, and is arranged on the shaft sleeve and the inner cylindrical faces of the rigid push rods, one end of the wave foil is welded to the inner round face of the shaft sleeve, and the other end of the wave foil is free. The top foil is arranged on the wave foil in a covering manner. Through control over power supply signals of the PZTs, the PZTs mechanically deform, the flexible hinges are enlarged to deform, and are supported through the rigid push rods to be attached to the wave foil on the push rods and the inner wall of the shaft sleeve, a gap between a bearing and a supporting rotor is changed, the wedge space is increased, the crossed coupling effect is weakened, the bearing dynamic pressure effect is enhanced, the rigid characteristic of the bearing is improved, and finally the aims of actively controlling the rigidity characteristics of the bearing and improving the stability of the bearing are achieved.

A slowly-releasing composite medicine for treating the diseases in respiratory system is prepared from Fuduositan (15-30 Wt %), clarithromycin (10-40), and auxiliary (rest) including paralyser.

The invention discloses a rigid rotor hub of a helicopter. A plurality of variable-pitch arm modules are arranged around a center piece module; paddles are fixed on the variable-pitch arm module; eachvariable-pitch arm module comprises a paddle mounting base, an outer side radial laminated elastic bearing, a thrust laminated elastic bearing and an inner side radial laminated elastic bearing; thepaddles are fixed on the paddle mounting bases; the outer side radial laminated elastic bearings and the inner side radial laminated elastic bearings have the same structure; an inner ring of each outer side radial laminated elastic bearing is fixed on the corresponding paddle mounting base, and an outer ring of each outer side radial laminated elastic bearing is fixed on the center piece module;an inner ring of each inner side radial laminated elastic bearing is fixed on the corresponding paddle mounting base, and an outer ring of each inner side radial laminated elastic bearing is fixed with the center piece module; each thrust laminated elastic bearing is composed of laminated elastic layers stacked in the axial direction, the inner side of each thrust laminated elastic bearing is fixed to the corresponding paddle mounting base, and the outer side of each thrust laminated elastic bearing is fixed to the center piece module; and the axes of the three elastic bearings of each variable-pitch arm module are collinear. The rigid rotor hub has the advantages of being long in service life and free of lubrication and maintenance, having no abrasion, and the like.

The invention discloses a positively-charged carbon dot prepared by using polylysine as a carbon source. The preparation method comprises the following steps: weighing a certain amount of polylysine,dissolving the polylysine with a proper amount of deionized water, placing a uniformly-mixed polylysine aqueous solution in a microwave field, carrying out heating, after completion of a reaction, carrying out cooling, then adding a proper amount of deionized water, carrying out ultrasonic treatment for a period of time, carrying out centrifuging, collecting a carbon dot aqueous solution, carryingout supermicro membrane dialysis, and carrying out freeze-drying so as to prepare positively-charged carbon dot powder. The invention also discloses an application of the positively-charged carbon dot in bacteriostasis of food. The preparation method provided by the invention has the advantages of simple preparation process, high product purity, short reaction time and controllable carbon dot size; and the carbon dot with super-rich positive charges and prepared by using the preparation method provided by the invention can be used to inhibit spoilage microorganisms in the food, has high selectivity, and has great significance on and extensive application prospects in the aspects of food safety, fluorescent composite materials, etc.

The invention relates to an accelerator pedal and a vehicle control method and system. The accelerator pedal comprises a pedal, a base and a pedal link, wherein the base is suitable for fixing the accelerator pedal on a vehicle chassis; a first end of the pedal link is connected with the pedal, a second end of the pedal link is connected with the base, and the first end and the second end are arranged oppositely; a control assembly which is suitable for changing the force moment and stroke of the accelerator pedal is arranged inside the base. According to the accelerator pedal, torque output from an engine and accelerator pedal openness required during the gear shifting of a transmission can be effectively changed, and then, the power performance of a vehicle is effectively changed, so that user experience in different driving modes can be improved.

The invention concerns a vibrocompacting device (1), in particular for forming molded anode blocks. The device comprises at least one mold (2) borne by an oscillating table (3) secured via suspension means (4) to a frame (5). The table (3) is arranged to move relatively to the frame (5) along a vertical direction under the effect of vibratory actuating means. The invention is characterized in that the device comprises stabilizing means (6, 12) for limiting, even suppressing, pitch and/or roll of the oscillating table, including at least one torsion bar (6) arranged between the oscillating table (3) and its frame (5).

The invention discloses a composite preparation of Omepraxole and Clarithromycin, wherein the weight ratio of the active constituents Omepraxole and Clarithromycin is 1:10-1:50, the preparation can be used for treating diseases such as Helicobacter Pylori infection.

The invention discloses a finger muscle strength quantitative measuring instrument and a measuring method thereof and belongs to the technical field of diagnosis. The finger muscle strength quantitative measuring instrument comprises a muscle strength measuring unit and a signal acquiring and processing system; the muscle strength measuring unit comprises an elastic stressed arm, a support and a bottom plate, the support is fixed to the bottom plate, the elastic stressed arm is arranged at one end, away from the bottom plate, of the support to form a cantilever structure, a muscle stressed hole is arranged in the end portion of the cantilever structure, and a finger fixing unit is arranged in the muscle stressed hole. The measuring method includes 1), testing preparation; 2), testing, namely pressing the muscle stressed hole with a single finger in a continuous or impacting manner; 3), data processing. Finger muscle strength in optional directions, real-time quantitative measuring in the motion direction and special testing of the muscle strength of the single finger are realized, and intelligent muscle testing and evaluation are realized through auxiliary calculation and automatic conversion of computers are realized.

The invention discloses a dynamic pressure intelligent air bearing which comprises a bearing left end cover, a bearing sleeve, a bearing right end cover, piezoelectric ceramics (PZT), a pressure sensor, a vibration sensor, a temperature sensor, a sensor protection layer, a three-stage amplification mechanism, a retainer and a top foil. A pressure sensor and a vibration sensor are placed in a sensor protection layer at the bottom end of a three-stage amplification mechanism, a temperature sensor is placed on the back face of top foil, PZT is placed in symmetrical lever arm through grooves, the top foil is made of elastic materials and covers the three-stage amplification mechanism, and the three-stage amplification mechanism is fixed to a bearing sleeve through a retainer, a bearing left end cover and a bearing right end cover by bolts. A power supply signal coupling lever mechanism of a PZT is controlled through a sensor signal to amplify PZT deformation, a top foil is supported through a three-stage amplification mechanism, direct contact between a sensor and a rotating part is avoided, gas film pressure and vibration signals generated when an air bearing works are measured through the three-stage amplification mechanism, the measurement precision is improved, and the bearing characteristics are intelligently controlled.

The invention discloses a horizontal draught automobile carburetor capable of achieving uniform mixing. The horizontal draught automobile carburetor comprises a main shell, an air inlet and springs, wherein a blocking plate is arranged in the main shell; a pin shaft is arranged in the blocking plate; a turning plate is arranged in the air inlet, and the air inlet is located above the blocking plate; a sliding groove is formed in the middle of the turning plate; a rotating rod is arranged in the sliding groove; a locking screw is arranged in the rotating rod; a floating piston is installed above each spring, and each spring is located at the right side of the turning plate; a connecting rod is installed at the right sides of the floating pistons; and a guide groove is formed in the middle of the connecting rod. Through the arrangement of the blocking plate and the air inlet, the air inflow of an engine is controlled, so that the power of an automobile is changed, a user can convenientlyadjust the air inflow of the engine according to the road condition, the consumption of fuel oil is reduced, and the condition that carbon emission is generated by complete combustion of the fuel oilto cause environmental pollution is prevented.