34 results about "Real time kinetics" patented technology

The present invention integrates the surface plasmon resonance and common-path phase-shift interferometry techniques to develop a microscope for measuring the two-dimensional spatial phase variation caused by biomolecular interactions on a sensing chip without the need for additional labeling. The common-path phase-shift interferometry technique has the advantage of long-term stability, even when subjected to external disturbances. Hence, the developed microscope meets the requirements of the real-time kinetic studies involved in biomolecular interaction analysis. The surface plasmon resonance microscope of the present invention using common-path phase-shift interferometry demonstrates a detection limit of 2×10−7 refractive index change, a long-term phase stability of 2.5×10−4π rms over four hours, and a spatial phase resolution of 10−3 π with a lateral resolution of 100 μm.

The invention relates to a performance test system for a vehicle suspension component and specifically relates to an in-loop real-time simulation test system for a suspension component. The system comprises a real-time dynamical model for a vehicle, an in-loop real-time simulation test control system for a suspension component and a real object test bench for a suspension component, wherein the in-loop real-time simulation test control system for a suspension component is used for realizing communication connection between and control on the real-time dynamical model for a vehicle and the real object test bench for a suspension component. A real-time simulation test is conducted through closed-loop connection of a real object of the suspension component and the real-time dynamical model for a vehicle. With the system, the problem of whole-vehicle dynamical stimulation of some suspension components which can hardly be accurately modeled is solved to a certain extent. Thus, the test system is of great importance to the study of performance of a suspension component and matching between the suspension component and a whole vehicle.

The invention discloses a method for testing a calibration ground site for single image photogrammetry. A digital camera connected with an RTK (Real-Time Kinetic) handbook and a cross target which isconnected with an RTK centering rod in a sleeving manner are adopted to form single image photogrammetry measurement calibration ground site equipment, and GPS (Global Positioning System)-RTK is assisted to work in regions such as forests, dense city building areas and indoor engineering with weak GPS signals or blind signal regions, and ground site calibration can be achieved.

A system and method for providing power and alignment control within an irrigation system having at least two spans and a drive system for moving the spans. According to a first preferred embodiment, the present invention includes a method for maintaining the alignment which includes the steps of: receiving a first set of Global Positing System (GPS) location data and second set of Real-Time Kinematics (RTK) error data; comparing the first set of GPS location data with the second set of RTK error data; calculating RTK error correction data; transmitting RTK error correction data to the intermediate drive towers and the last drive tower; calculating the location of the last drive tower using GPS data and RTK error correction data; calculating a straight, center line between the center pivot and the last drive unit; calculating the relative distances between each intermediate drive tower and the calculated center line using a linear regression algorithm; and controlling the average speed over time of each intermediate drive tower to reduce distance between their current locations the calculated center line The present invention provides a system for aligning drive towers within an irrigation system.

The invention provides a satellite attitude and orbit control semi-physical simulation integration method and system, and the method comprises the steps: constructing a satellite dynamics mathematical model, setting parameters and / or signals needing to be set as faults in the model as global variables, and converting the global variables into a corresponding Rtw format model; compiling and packaging the Rtw format model into a real-time dll dynamic model, deploying the real-time dll dynamic model to an attitude and orbit control dynamic simulation machine, and performing signal interaction with an attitude and orbit control interface simulation module; the attitude and orbit control dynamics simulation machine outputs a dll dynamics model interaction signal, conditions the dll dynamics model interaction signal and then transmits the dll dynamics model interaction signal to the satellite service computer; and the satellite service computer transmits the semaphore of the attitude and orbit control execution mechanism, the semaphore is conditioned and then transmitted to the attitude and orbit control simulation interface module, and satellite attitude and orbit control semi-physical simulation integration is completed. According to the method, the real-time performance, the reliability, the simulation platform cost and other aspects can be greatly improved; on-line modification of all parameters of attitude and orbit control dynamics can be realized, fault parameters can be set, and test coverage is improved.

The present invention provides a method for aligning spans using real-time kinetics (RTK) data communicated through a power line carrier system. According to a further preferred embodiment, the method of present invention includes the steps of: receiving a first set of GPS location data and second set of RTK data; comparing the first set of GPS location data with the second set of RTK data; calculating RTK error correction data; creating an RTK error correction data signal containing RTK error correction data; modulating the RTK error correction data signal for transmission on a power line carrier; transmitting the RTK error correction data signal through a power line BUS onto a power line to a last drive tower; de-modulating the RTK error correction data signal; calculating the location of the last drive tower using the RTK error correction data; calculating a straight, center line between the pivot and the last drive unit; calculating the relative distances between each intermediate drive tower and the calculated center line; and controlling the speed or average run time of each intermediate drive tower to reduce distance between their current locations and the calculated center line.

A display and method of preparing 7-transmembrane and other receptors for real-time kinetic analysis of binding interactions. The invention includes display on beads and in micelles for multi-well and flow cytometric analysis. The invention is useful for ligand discovery and drug action discovery, and G-protein response in particular.

The invention provides a distributed simulation platform based on hardware-in-the-loop and a simulation method. The distributed simulation platform based on hardware-in-the-loop provided by the invention comprises a real-time dynamics platform, a real-time control algorithm platform and a control acceleration platform. When the simulation platform is switched from real-time simulation to super real-time simulation, the control acceleration platform sends an acceleration multiple signal to the real-time dynamics platform and the real-time control algorithm platform; and when the simulation platform is switched from super real-time simulation to real-time simulation, the acceleration multiple signal is 1 or no acceleration multiple signal is sent.

The invention relates to a modeling method of a large-flexibility flight vehicle based on online identification. The modeling method comprises the four steps of building of a unit mechanism model, parameterization of the unit model, building of an overall flight dynamic model and online identification. According to the fact that when the large-flexibility vehicle is on flight, wings can be subjected to geometric nonlinearity deformation, and a structural model of flexible wings is built based on a nonlinear beam theory; a continuous vibration system is discretized to obtain a unit structure model; aiming at the feature that aerodynamic force is unsteady, an unsteady aerodynamic theory is utilized to build an aerodynamic force model; the aerodynamic force model and external forces like gravity are substituted into the structural model to obtain a unit gas bomb mechanism model; according to needs, variables capable of being measured by proper sensors are selected as parameters, and parameteriztion of the unit model is conducted; moreover, the parameters are utilized to achieve connection among units; a many-body dynamic theory is utilized to build the overall dynamic model of the flight vehicle; finally, a proper sensor is selected to achieve parameter online identification to obtain the large-flexibility flight vehicle real-time dynamic model.

The invention discloses a precise measuring method for a moving position and a moving gesture of a motor vehicle. The method comprises the following steps of a preparation step before the measurement and a real-time measurement step, wherein the preparation step before the measurement comprises the steps of establishing an RTKGPS (real-time kinetic global positioning system) base station, establishing a wireless data communication link, drawing an examination field or a examination road electronic map, installing a car-mounted detection device on the motor vehicle and measuring a relative coordinate of key points of the motor vehicle outline; and the real-time measurement step comprises the steps of measuring and calculating a precise three-dimensional position coordinate and a gesture angle as well as a position relation among different signs, marked lines and static objects of the motor vehicle in the examination field or the examination road electronic map. Due to the adoption of the precise measuring method, the measurement equipment is unnecessary to set on the examination field or the examination road, the detection can be realized by directly adopting the communication between the car-mounted detection device and the base station in the measurement, and the operation cost of the position and gesture detection equipment of the motor vehicle can be reduced when in use; and the detection way is simple, convenience in operation can be realized, continuity in detection can be realized, and the measurement precision is high.

The invention provides a selective catalytic reduction (SCR) denitration system optimizing control method and a system thereof. The SCR denitration system optimizing control method comprises the steps of obtaining reflecting parameters of NO of an SCR denitration system under a preset temperature by measurement respectively when the nitrogen-ammonia ratio is larger than 1 and smaller than 1; calculating apparent reaction rate constant KNO of NO under various obtained temperatures, activation energy of adsorption rate constants of NH3 under various temperatures and pre-exponential factors according to the obtained reflecting parameters, establishing a control model of an infinitesimal volume of a reactor of the SCR denitration system, and performing power optimizing control on the SCR denitration system. Accordingly, Optimizing control can be performed on the SCR denitration system on the basis of SCR denitration system real-time kinetic parameters, and control efficiency and rationality on the SCR denitration system can be improved.