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Keywords: Actuator
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Proceedings Papers

Proc. ASME. IMECE2022, Volume 1: Acoustics, Vibration, and Phononics, V001T01A039, October 30–November 3, 2022
Paper No: IMECE2022-95591
... Abstract This study presents a new design of a wearable vibrotactile device — a tactile sleeve consisting of three voice coil actuators (Model: Lofelt L5). The device was made within an R&D project aimed at developing a wearable for enhancing the music perception of cochlear implant...
Proceedings Papers

Proc. ASME. IMECE2001, Dynamic Systems and Control, 963-969, November 11–16, 2001
Paper No: IMECE2001/DSC-24620
... personnel while in muscle capabilities of subjects requiring partial lower-limb combat or training. In this paper we present our studies and weight-bearing gait support. The HME described in this paper prototypes in the area of lower limb HME. is a pneumatically actuated quick connecting exoskeleton system...
Proceedings Papers

Proc. ASME. IMECE2000, Fluid Power Systems and Technology, 113-119, November 5–10, 2000
Paper No: IMECE2000-1982
...Abstract Abstract An advanced hydrostatic actuation system referred to as the Electro Hydraulic Actuator (EHA) has been designed and prototyped. The prototype of EHA exhibits a very high level of dynamic performance and positional accuracy. EHA’s positional accuracy with a simple outer-loop...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 4: Dynamics, Vibration, and Control, V004T05A110, November 11–14, 2019
Paper No: IMECE2019-10869
... actuator is buried inside the projectile. For satisfying the active disturbance control, the flow effector actuator pushes up from the cone nose of the projectile. For the reason of the air pressure and shape memory alloy wire actuation characteristic, it is necessary to calculate the input stiffness...
Proceedings Papers

Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 1069-1075, November 9–15, 2012
Paper No: IMECE2012-86480
... by further research. So this pump has the advantage of small source of actuator by changing electric power into fluid power. Furthermore, our pump has a good possibility for use in cooling system because it makes no noise and no mechanical vibrations. actuator pump liquid crystal 1 Copyright ©...
Proceedings Papers

Proc. ASME. IMECE2008, Volume 11: Mechanical Systems and Control, 127-132, October 31–November 6, 2008
Paper No: IMECE2008-66875
... 24 08 2009 Shape Memory Alloy (SMA) actuators have broad application prospects in many fields, but due to the nonlinearity of inherent hysteresis of SMA, the precise position control has become the biggest obstacle for the wide application of SMA actuators in the fields of smart...
Proceedings Papers

Proc. ASME. IMECE2008, Volume 12: Mechanics of Solids, Structures and Fluids, 395-399, October 31–November 6, 2008
Paper No: IMECE2008-67986
... stimuli, which makes it possible to construct transistors, OLEDs, actuators and membranes. In this work, we focus on the actuator aspect, where the volume change relies on the ions and solvent flux. We synthesize the polypyrrole by electrochemical deposition and derive the relationship between the film...
Proceedings Papers

Proc. ASME. IMECE2007, Volume 10: Mechanics of Solids and Structures, Parts A and B, 211-218, November 11–15, 2007
Paper No: IMECE2007-42847
... 26 05 2009 Ferromagnetic Shape Memory Alloys (FSMAs) like Ni-Mn-Ga have attracted significant attention over the last few years. As actuators, these materials offer high energy density, large stroke, and high bandwidth. These properties make FSMAs potential candidates for the new...
Proceedings Papers

Proc. ASME. IMECE2003, Dynamic Systems and Control, Volumes 1 and 2, 1001-1007, November 15–21, 2003
Paper No: IMECE2003-41411
... 13 05 2008 The optimal placement of sensors and actuators in the active vibration control of flexible linkage mechanisms is studied. Based on the concept of the controllability and the observability of the controlled subsystem and the residual subsystem, the objective functions...
Proceedings Papers

Proc. ASME. IMECE2003, Microelectromechanical Systems, 623-627, November 15–21, 2003
Paper No: IMECE2003-41717
... 14 05 2008 This study describes the fabrication of an actuator of controlling the area of a dielectric layer using the commercial 0.35μm Single Polysilicon Four Metals (SPFM) Complementary Metal Oxide Semiconductor (CMOS) process and a post-process. The post-process requires wet...
Proceedings Papers

Proc. ASME. IMECE2003, Aerospace, 171-180, November 15–21, 2003
Paper No: IMECE2003-42723
...Proceedings of IMECE 03 1 Copyright ©2003 by ASME pwa@engin.umich.edu dibrei@engin.umich.edu KEYWORDS actuator, functionally graded material, piezoceramic, piezoelectric ABSTRACT It is common practice to reduce the voltage level within piezoelectric actuators by utilizing multiple layers, typically...
Proceedings Papers

Proc. ASME. IMECE2003, Aerospace, 89-100, November 15–21, 2003
Paper No: IMECE2003-42317
... prototype actuator consisting of a pre-compressed PZT stack (140 mm long, 10 mm diameter) and a thin steel beam (60 mm x 12 mm x 0.508 mm) was constructed. The buckling beam served as the motion amplifier, while the PZT stack provided the actuation. The experimental setup, measuring instrumentation...
Proceedings Papers

Proc. ASME. IMECE2004, Dynamic Systems and Control, Parts A and B, 575-580, November 13–19, 2004
Paper No: IMECE2004-62006
... 28 03 2008 A new approach to the design and control of shape memory alloy (SMA) actuators, called Segmented Binary Control (SBC), is extended from previous work. The transient response of SBC is examined and is discovered to be inadequate in real time servo control because...
Proceedings Papers

Proc. ASME. IMECE2004, Aerospace, 261-269, November 13–19, 2004
Paper No: IMECE2004-62149
... and 3-D lightweight shape morphing structures is introduced. A fully reversible flexural shape changing cell utilizing opposing one-way shape memory alloy (SMA) actuators is shown to require no spring- like bias elements. The SMA actuating elements are arranged such that the actuation (contraction...
Proceedings Papers

Proc. ASME. IMECE2004, Fluid Power Systems and Technology, 93-101, November 13–19, 2004
Paper No: IMECE2004-59194
... to parameter estimation. The SVSF is applied to a novel hydrostatic actuation system referred to as the ElectroHydraulic Actuator (EHA). Condition monitoring of the EHA for preventative unscheduled maintenance would increase its safety in applications pertaining to aerospace and would reduce its operational...
Proceedings Papers

Proc. ASME. IMECE2005, Aerospace, 111-120, November 5–11, 2005
Paper No: IMECE2005-80049
... 25 01 2008 Ferromagnetic Shape Memory Alloys (FSMAs) like Ni-Mn-Ga have attracted significant attention over the past few years. What makes these materials attractive as actuators is their high energy density, large stroke, and high bandwidth. Among other applications, these properties...
Proceedings Papers

Proc. ASME. IMECE2005, Aerospace, 333-346, November 5–11, 2005
Paper No: IMECE2005-81700
...-width-modulated duty cycle with heatsink to increase frequency to the ten hertz range, and simple position feedback control strategy for motion control. These methods are discussed within the context of a simple antagonistic leveraged SMA actuation system developed for an INertially STAbilized Rifle...
Proceedings Papers

Proc. ASME. IMECE2005, Aerospace, 133-144, November 5–11, 2005
Paper No: IMECE2005-80217
... 25 01 2008 Functionally Graded Piezoceramics (FGP) offer performance similar to conventional piezoceramic actuators while reducing the problems associated with their bonded construction (high stress levels, large stress discontinuities, delamination, etc.). This paper presents the Dual...
Proceedings Papers

Proc. ASME. IMECE2005, Fluid Power Systems and Technology, 121-130, November 5–11, 2005
Paper No: IMECE2005-82237
... 28 01 2008 This paper reports on an important discovery that is: hydrostatic actuation systems are able to manipulate heavy loads with sub-micron precision and large stroke. In this relation, the design of a high-precision hydrostatic actuation system referred...
Proceedings Papers

Proc. ASME. IMECE2005, Microelectromechanical Systems, 433-438, November 5–11, 2005
Paper No: IMECE2005-79854
... 28 01 2008 Here a cascaded bimorph actuator is proposed by integrating several novel actuation units to accumulate the vertical displacements. Each actuation unit comprises two types of bimorph beams and a constraint bar, and both beams will stretch outward with respect...