precision positioning
Design, modelling and characterization of a 2 DOF precision positioning platform
... As shown in Fig.2(a), the design variables for the platform are: L, b, l and t. The objective function is the first natural frequency in the Y direction devoted as f. The geometric and physic parameters of the platform ...
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Design and control of a 6 degree of freedom precision positioning system
... existing precision positioning systems are featured by oneto three-DOF motions[10-22], which cannot meet the needs of manipulations in some ...novel positioning stages with 6-DOF motions in some ...
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Modeling and controller design of a 6 DOF precision positioning system
... serial-parallel precision positioning system, which consists of two compact type 3-DOF parallel ...the positioning accuracy, the Discrete-time Model Predictive Controller (DMPC) is applied as an ...
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Robust H∞ Controller for High Precision Positioning System, Design, Analysis, and Implementation
... the feedback control transfer function. The main objec- tive for the design of the controller K is to make the tracking error small for the largest possible range of fre- quencies despite the uncertainties and the ...
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Development of a vane motor servo system for precision positioning in an MRI or CT environment
... Other works of literature cover the subjects of CT/MR-compatible actuation [1, 2, 3, 6] and positioning of vane motors [4, 5] separately. This thesis uses the knowledge on CT/MR-compatible actuation to design a ...
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DESIGN AND CONTROL OF THE THREE POSITION PNEUMATIC CYLINDER ACTUATORFOR PRECISION POSITIONING UNDER VERTICAL LOADING
... Pneumatic actuators offer several advantages over electromechanical and hydraulic actuators for positioning applications. However, pneumatic actuators subjected to high frictional forces, dead zone and dead time, ...
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Approaches for Detailed Modelling of Ultra Precision Positioning Systems
... The bottom-up approach is very useful with regard to certain methods for dividing the model into sub-models. However, modelling uncertainties can occur for complex geometries mainly because of the lack of an automatic ...
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WUB IP : a high precision UWB positioning scheme for indoor multi user applications
... Abstract—High-precision positioning scheme, an important part of the indoor navigation system, can be implemented using an ultra-wide band (UWB) based ranging ...precise positioning in dense ...
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Optomechanical Design for Precision Lens Positioning and Mounting
... High-precision positioning and mounting individual optical lenses in optical instruments are critical for high- er-performance applications. For many instruments with compact arrangement, the room for ...
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Investigation of synthetic aperture methods in ultrasound surface imaging using elementary surface types
... The probe 82 was manipulated using a robotic precision positioning system, which provided accurate 83 positional data, allowing for ultrasound derived 3D surface point cloud reconstructi[r] ...
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An improved fading Kalman filter in the application of BDS dynamic positioning
... navigation precision of traditional fading Kalman filter in BDS dynamic positioning, an improved fading Kalman filter based on fading factor vector is ...the positioning precision of the ...
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High precision global positioning system data processing velocity vector determination for geodynamic application
... However, in this study Bernese high precision GPS processing software version 4.2 was utilised to determine the final solution for the relative MASS station coordinates, hence to estimate the relative velocity of ...
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Power spectral density analysis of ocean wave by using GPS buoy
... This test has proven GPS receiver that was used to gather data able to measured high precision data even if the observations made in conditions that the GPS receiver is constantly moving. The accuracy obtained ...
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High Speed Electrical Discharge Machining Using 3 DOF Controlled Magnetic Drive Actuator
... the positioning response of a lead screw is somewhat slow because of the mass of the stacked tables and the rotational inertia of the lead screws, and thus the speed and accuracy of conventional EDM are limited by ...
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Sustainable and profitable growth in the automotive industry : Positioning Van Leeuwen Precision in the automotive industry
... Concept eindverslag 10 04 2006 verplaatsing exec sum e a + update field doc Sustainable and profitable growth in the automotive industry Master?s thesis Volume 1 Sustainable growth for VLP in the Auto[.] ...
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A review of satellite positioning systems for civil engineering
... potential precision of the US Global Positioning System and other global navigation satellite systems, as well as the advantages of using a multi-system ...
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Effect of hand positioning on iDXA total and regional bone and body composition parameters and precision error
... There are advantages and disadvantages associated with both hand positioning protocols. Hands mid-prone provides a more feasible position when performing scans in obese or athletic subjects who are broad at the ...
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An Indoor Pedestrian Localization Algorithm Based on Multi Sensor Information Fusion
... indoor positioning technology which has many deficiencies, such as high cost, low positioning accuracy and low sensor utilization, an indoor pedestrian localization algorithm based on multi-sensor ...
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An evaluation of precision surface positioning systems
... The pulse systems have a mobile master station which transmits a pulse or a coded sequence of pulses to two reference stations... The reference stations have a.[r] ...
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Enhancing Wi-Fi fingerprinting for indoor positioning using human-centric collaborative feedback
... average positioning accuracy after nine such rounds of visiting and testing each position is plotted in Figure ...the positioning error within the training area improved from approximately ...
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