Sensor and Actuators
Review of Electrothermal Actuators and Applications
... electrothermal actuators possess certain advantages over the other types, which make them a valuable component for ...Electrothermal actuators use comparatively low driving voltage but can produce large ...
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Piezoelectric materials for high temperature transducers and actuators
... The electrical resistivity (q) of the material is an important property that is strongly affected by temperature. Polari- sation changes resulting from an applied stress will, over a period of time, be nulled by charge ...
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A nonlinear model-based control method for magnetostrictive actuators
... The sensor/actuator capabilities of the magne- tostrictive material are provided by magnetic moments which rotate in the presense of an applied magnetic ...
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Soft Sensors and Actuators based on Nanomaterials.
... h) between each stretching event. For each event, 10 cycles of stretching at 50% strain were applied. Data presents mean ± SD (n = 3). *P < 0.05 (t-test). .............................................. 128 Figure 5.3 ...
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A Measurement System for Shape Memory Alloy Wire Actuators
... Shape memory alloys SMAs remember their shape [1]. This is due to a property known as Shape Memory Effect (SME). These alloys are usually equi-atomic type (50 % Nickel and 50 % Titanium) but other elements can readily be ...
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Missile Direccted by Maneuverable Actuators
... The sensor is been equipped on a antenna and is rotated and managed with the aid of stepper motor via the angle of 360 ...The sensor is been equipped on the antenna and is rotated and controlled through the ...
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Nanopositioning Fuzzy Control for Piezoelectric Actuators
... II. D YNAMIC M ODEL OF PZT A CT UATED POSIT IONING ST AGE The piezo-actuated positioning stage is described in [15]. It consists of two parts: positioning mechanism and a piezoelectric actuator. The dynamic model is ...
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Engineering of RNA sensors and actuators in living cells
... Continuous evolution, on the other hand, is the evolution of organisms in continuous culture, where the diversity generation and the selection procedures are taking place concurrently, without any spacial or temporal ...
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Sensors and actuators for the advanced LIGO mirror suspensions
... interferometric sensor designs, also investigated during the preliminary study phase [18], for the more mature technology and proven reliability, and for the known contained costs and relative simplicity of large ...
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Vibration control strategies for proof-mass actuators
... or sensor, then the pattern of alternating poles and zeros will be disrupted, so stability is no longer ...the sensor and actuator were not properly ...
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Multistress characterization of fault mechanisms in aerospace electric actuators
... Mechanical Actuators (EMA) are safety-critical components of an aerospace system and an undetected actuator failure can lead to serious ...of sensor signals available [1] while also avoiding false positive ...
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Development of Dielectric Elastomer based Prototype Fiber Actuators
... Besides conducting polymers, polymer-particle systems have also been used as electrodes for dielectric elastomer actuators [10, 22, 57, 32, 33, 58]. Different polymer-particle systems have been reported such ...
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TYPE PNEUMATIC ACTUATORS
... Pneumatic actuators, single acting or double acting Control input signal: 1-wire control of a solenoid valve Optional limit switch for capturing the end positions Safety function with do[r] ...
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Controller design for a bipedal robot with variable stiffness actuators
... The controller is shown in Figure A.4. The left most block is the V-SLIP controller which calcu- lates from the robot state the desired linear stiffness and the desired force along the virtual leg. These signals go to ...
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Natural frequency of beams with embedded piezoelectric sensors and actuators
... and actuators is presented. The piezo- electric sensors and actuators are analyzed as inhomogeneous ellipsoidal inclusions in a non- piezoelectric matrix (host beam) by using Eshelby’s equivalent inclusion ...
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Compliant Modular Shape Memory Alloy Actuators
... Each of the five actuators was tested as follows. Each test began with the actuator in its fully expanded position. One side was mounted in a motion stage whose position was pre- cisely controlled using a stepper ...
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Bismuth Sodium Titanate Based Materials for Piezoelectric Actuators
... Environmental regulations succeeded in replacing lead and lead components in a number of applications like paints, solder and a variety of electronic components. Exempt from this ban of lead are applications and ...
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Pneumatic Hyperelastic Actuators for Grasping Curved Organic Objects
... the actuators of the grasping mechanism. These air-driven, soft actuators often have complex geometries and are fabricated from hyperelastic materials, such as synthetic rubbers or silicone polymers [3], ...
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Comparison of Fixed and Variable Pitch Actuators for Agile Quadrotors
... pronounced than in Fig. 7. Also, another of the fundamental differences between the two actuators is prominent in this plot. When the propeller pitch is fixed, the quadrotor’s ability to decelerate is limited by ...
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Liquefied Natural Gas. Valves, Actuators & Special Solutions
... Precision engineered to exacting tolerances, Habonim custom valves, manifolds and special solutions meet the highest demands of high pressure, corrosive and high temperature applicatio[r] ...
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