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Artykuły w czasopismach na temat „Integrated Actuation System”

Autor: Grafiati

Data publikacji: 6 września 2023

Data aktualizacji: 19 lipca 2025

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1

Di, Yue, Yuyan Zhang, and Yintang Wen. "Self-sensing artificial muscle based on liquid crystal elastomer." Journal of Physics: Conference Series 2954, no. 1 (2025): 012059. https://doi.org/10.1088/1742-6596/2954/1/012059.

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Abstract With the rapid advancement of flexible material technology, there is an increasing demand for intelligent actuation materials with self-sensing capabilities to accommodate diverse application requirements in complex environments. This paper proposes a self-sensing artificial muscle based on liquid crystal elastomer (LCE) materials, which integrates sensing and actuation functions to enhance the adaptability and controllability of flexible actuators in challenging conditions. The artificial muscle system combines a low-voltage-driven actuation module with a flexible sensing module. Thr

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2

Greve, Daniel, and Christian Kreischer. "Methodology for Integrated Design Optimization of Actuation Systems for Exoskeletons." Robotics 13, no. 11 (2024): 158. http://dx.doi.org/10.3390/robotics13110158.

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The engineering of actuation systems for active exoskeletons presents a significant challenge due to the stringent demands for mass reduction and compactness, coupled with complex specifications for actuator dynamics and stroke length. This challenge is met with a model-based methodology. Models for human body, exoskeleton and parametric actuation systems are derived and coupled. Beginning with an inverse dynamics human body simulation, loads in human joints are estimated, and the corresponding support torques are derived. Under the assumption of a control law ensuring these support torques, a

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3

He, Yuan Yuan, and Li Liu. "Modeling and Testing of a Seamless Wing Trailing Edge Control Actuation System." Applied Mechanics and Materials 195-196 (August 2012): 1089–94. http://dx.doi.org/10.4028/www.scientific.net/amm.195-196.1089.

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This paper presents an investigation into the modeling and analysis of an innovative actuation system for a wing with a seamless flexible trailing edge control surface. Research was started with the study of aerodynamic behavior and advantage of the wing in smooth variable chamber shape under control. Based on the concept and design, an experimental wing section integrated with the actuation mechanism was built and tested. The main effort was then made to the modeling of the internal actuation system for the purpose of obtaining the physical properties and accurate modeling of the whole wing s

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4

Ijaz, Salman, Mirza Tariq Hamayun, Lin Yan, Hamdoon Ijaz, and Cun Shi. "Adaptive fault tolerant control of dissimilar redundant actuation system of civil aircraft based on integral sliding mode control strategy." Transactions of the Institute of Measurement and Control 41, no. 13 (2019): 3756–68. http://dx.doi.org/10.1177/0142331219835589.

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In modern aircraft, the dissimilar redundant actuation system is used to resolve the actuator failure issues due to the common cause, thus increasing the system reliability. This paper proposes an adaptive integral sliding mode fault tolerant control strategy to deal with actuator fault/failure in the dissimilar redundant actuation system of civil aircraft. To cope with the unknown actuator faults, the adaptive integral sliding mode controller is designed where the modulation gain is made adaptive to the fault. To deal with the complete failure of certain actuator, the integral sliding mode co

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5

Zhang, Xi, Jinxuan Zhang, Bidita Salahuddin, Shuai Gao, Shazed Aziz, and Zhonghua Zhu. "Reversible Torsional Actuation of Hydrogel Filled Multifilament Fibre Actuator." Actuators 10, no. 9 (2021): 244. http://dx.doi.org/10.3390/act10090244.

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Twisted polymer fibre actuators provide high torsional rotation from stimulated volume expansion, induced either by chemical fuelling, thermal stimulation, or electrochemical charging. One key limitation of these actuators is the irreversibility of torsional stroke that limits their feasibility when considering real-life smart applications. Moreover, scaling the torsional stroke of these actuators becomes difficult when these are integrated into practically usable systems such as smart textiles, due to the external and variable opposing torque that is applied by the adjacent non-actuating fibr

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6

Dimino, Ignazio, Federico Gallorini, Massimiliano Palmieri, and Giulio Pispola. "Electromechanical Actuation for Morphing Winglets." Actuators 8, no. 2 (2019): 42. http://dx.doi.org/10.3390/act8020042.

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As a key enabler for future aviation technology, the use of servo electromechanical actuation offers new opportunities to transition innovative structural concepts, such as biomimicry morphing structures, from basic research to new commercial aircraft applications. In this paper, the authors address actuator integration aspects of a wing shape-changing flight surface capable of adaptively enhancing aircraft aerodynamic performance and reducing critical wing structural loads. The research was collocated within the Clean Sky 2 Regional Aircraft Demonstration Platform (IADP) and aimed at developi

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7

Botez, R. M., M. J. Tchatchueng Kammegne, and L. T. Grigorie. "Design, numerical simulation and experimental testing of a controlled electrical actuation system in a real aircraft morphing wing model." Aeronautical Journal 119, no. 1219 (2015): 1047–72. http://dx.doi.org/10.1017/s0001924000011131.

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AbstractThe paper focuses on the modelling, simulation and control of an electrical miniature actuator integrated in the actuation mechanism of a new morphing wing application. The morphed wing is a portion of an existing regional aircraft wing, its interior consisting of spars, stringers, and ribs, and having a structural rigidity similar to the rigidity of a real aircraft. The upper surface of the wing is a flexible skin, made of composite materials, and optimised in order to fulfill the morphing wing project requirements. In addition, a controllable rigid aileron is attached on the wing. Th

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8

Pires, Felipe Marques, Leonardo de Souza Mendes, and Lorena León Quiñonez. "Integrated system architecture for decision-making and urban planning in smart cities." International Journal of Distributed Sensor Networks 15, no. 8 (2019): 155014771986782. http://dx.doi.org/10.1177/1550147719867829.

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Research and development of applications for smart cities are extremely relevant considering the various problems that population growth will bring to large urban centers in the next few years. Although research on cyber-physical systems, cloud computing, embedded devices, sensor and actuator networks, and participatory sensing, among other paradigms, is driving the growth of solutions, there are a lot of challenges that need to be addressed. Based on these observations, in this work, we present an integrated system architecture for decision-making support and urban planning by introducing its

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9

Khan, S., T. L. Grigorie, R. M. Botez, M. Mamou, and Y. Mébarki. "Novel morphing wing actuator control-based Particle Swarm Optimisation." Aeronautical Journal 124, no. 1271 (2019): 55–75. http://dx.doi.org/10.1017/aer.2019.114.

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AbstractThe paper presents the design and experimental testing of the control system used in a new morphing wing application with a full-scaled portion of a real wing. The morphing actuation system uses four similar miniature brushless DC (BLDC) motors placed inside the wing, which execute a direct actuation of the flexible upper surface of the wing made from composite materials. The control system of each actuator uses three control loops (current, speed and position) characterised by five control gains. To tune the control gains, the Particle Swarm Optimisation (PSO) method is used. The appl

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10

Crowder, R., and C. Maxwell. "Simulation of a prototype electrically powered integrated actuator for civil aircraft." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 211, no. 6 (1997): 381–94. http://dx.doi.org/10.1243/0954410971532749.

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Developments in the design and proposed operation of large civil aircraft have resulted in aircraft manufacturers and equipment suppliers developing new system concepts, one of which is the all or more electric aircraft. In the all or more electric aircraft the distribution of power for flight actuation will be through the electrical system, as opposed to the currently used bulk hydraulic system. In order to implement power-by-wire, high-performance electrically powered actuators will be required. The paper discusses the design details, and the simulation of an electrohydrostatic actuator suit

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11

Mingallon, Maria, and Sakthivel Ramaswamy. "Thigmo-Morphogenetic Fiber Composites Embedded with Shape Memory Alloys." Advances in Science and Technology 80 (September 2012): 102–11. http://dx.doi.org/10.4028/www.scientific.net/ast.80.102.

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The premise of this research is to integrate sensing and actuation functions into a fibre composite material system. Fibre composites, which are anisotropic and heterogeneous, offer the possibility for local variations in their material properties. Embedded fibre optics are herein used to sense, while shape memory alloys provide actuation capabilities to the resulting composite. The definition of the geometry, inspired by the organization strategies found in biological composites, complements the functioning of the adaptive material system at both local and global levels, allowing it to displa

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12

Liu, Jian Xin, Yu Liu, and Ping Tan. "Simulation of Position Control and Flow Rate Match of Integrated Hydraulic Actuator Unit." Advanced Materials Research 118-120 (June 2010): 640–44. http://dx.doi.org/10.4028/www.scientific.net/amr.118-120.640.

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This paper presents a kind of all-digital integrated hydraulic actuator (IHA) unit to drive heavy load object without centralized oil tank. In order to improve the control quality of the actuation system while eliminating or reducing the disturbance, and also to solve the problem of flow rate mismatch existed in IHA with single-rod cylinder actuator, a fuzzy PID PWM controller is suggested. Simulations on the integrated hydraulic actuator unit are carried out to evaluate the effectiveness of the proposed control method when applied to hydraulic systems with various external disturbances encoun

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13

Mora Sierra, Yesid, and Alba Ávila Bernal. "Designing and simulating a nitinol-based micro ejector." Ingeniería e Investigación 32, no. 1 (2012): 42–47. http://dx.doi.org/10.15446/ing.investig.v32n1.28519.

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This paper describes pico-droplet ejector design and simulation. The actuation system was based on two interconnected nitinol membranes' shape memory effect. Ejected volume was 12pL and it operated at 30°C to 64°C. Ejecting excitation voltage was 12V and the ejecting energy required by actuator operation was 26µJ per drop. These pico-liter ejectors could have applications in making, lubricating and cooling integrated circuits.

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14

Hosseini, Mohssen, Roberto Meattini, Gianluca Palli, and Claudio Melchiorri. "A Wearable Robotic Device Based on Twisted String Actuation for Rehabilitation and Assistive Applications." Journal of Robotics 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/3036468.

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The preliminary experimental study toward the implementation of an arm rehabilitation device based on a twisted string actuation module is presented. The actuation module is characterized by an integrated force sensor based on optoelectronic components. The adopted actuation system can be used for a wide set of robotic applications and is particularly suited for very compact, light-weight, and wearable robotic devices, such as wearable rehabilitation systems and exoskeletons. Thorough presentation and description of the proposed actuation module as well as the basic force sensor working princi

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15

Amendola, G., Ignazio Dimino, Antonio Concilio, Rosario Pecora, and Francesco Amoroso. "Actuation System Design for a Morphing Aileron." Applied Mechanics and Materials 798 (October 2015): 582–88. http://dx.doi.org/10.4028/www.scientific.net/amm.798.582.

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In the field of European and International morphing structures projects, the CRIAQ MD0-505 enables collaboration among Italian and Canadian research centers and industries paying particular attention to the development of innovative design in the area of adaptive technologies. The main project goals involve the design of a wing trailing edge device capable to improve aerodynamic efficiency in all the flight envelope leading to fuel consumption reduction with positive impact on aircraft weight. This paper deals with the design and modeling of a novel actuation system of a full scale morphing ai

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16

Hamza Bresam, Anwar, and Haider Al-Mumen. "On the Actuation Technologies of Biomedical Microrobot: A Summarized Review." Iraqi Journal for Electrical and Electronic Engineering 20, no. 2 (2024): 22–32. http://dx.doi.org/10.37917/ijeee.20.2.2.

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In recent years, wireless microrobots have gotten more attention due to their huge potential in the biomedical field, especially drug delivery. Microrobots have several benefits, including small size, low weight, sensitivity, and flexibility. These characteristics have led to microscale improvements in control systems and power delivery with the development of submillimeter-sized robots. Wireless control of individual mobile microrobots has been achieved using a variety of propulsion systems, and improving the actuation and navigation of microrobots will have a significant impact. On the other

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17

Panza, M. J., D. P. McGuire, and P. J. Jones. "Modeling, Actuation, and Control of an Active Fluid Vibration Isolator." Journal of Vibration and Acoustics 119, no. 1 (1997): 52–59. http://dx.doi.org/10.1115/1.2889687.

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An integrated mathematical model for the dynamics, actuation, and control of an active fluid/elastomeric tuned vibration isolator in a two mass system is presented. The derivation is based on the application of physical principles for mechanics, fluid continuity, and electromagnetic circuits. Improvement of the passive isolator performance is obtained with a feedback scheme consisting of a frequency shaped notch compensator in series with integral control of output acceleration and combined with proportional control of the fluid pressure in the isolator. The control is applied via an electroma

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18

Sokhanvar, S., A. Zabihollah, and R. Sedaghati. "INVESTIGATING THE EFFECT OF THE ORTHOTROPIC PROPERTY OF PIEZOELECTRIC PVDF." Transactions of the Canadian Society for Mechanical Engineering 31, no. 1 (2007): 111–25. http://dx.doi.org/10.1139/tcsme-2007-0007.

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The applications of the piezoelectric Polyvinylidene Fluoride, PVDF, integrated with the beams, plates, and membranes, performing as sensor, actuator or combination have been received considerable attention in the recent years. However, not much work has been reported on the influence of the PVDF’s orthotropic behavior, particularly the effect of the orientation of the PVDF film in the host structure, on the performance of the system. In the present study, the effect of the piezoelectric PVDF film orientation on the output voltage, the actuation force, and the dynamic response of the integrate

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19

Xie, Rui Zhen, Lan Liu, Xiao Ming Ren, Yan Xue, Lin Sun, and Chuan Ping. "Study on Design and Fabrication of Micro-Pyrotechnical Actuator." Advanced Materials Research 1055 (November 2014): 213–17. http://dx.doi.org/10.4028/www.scientific.net/amr.1055.213.

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Combustion of energetic materials is an attractive means of obtaining a large quantity of energy from a small volume. And these materials can be integrated into functional micro-systems in a manner compatible with micro-system technologies, then micro-pyrotechnics could help to make considerable progress in the field of micro-actuation . In this paper,a micro-pyrotechnical actuator was designed and fabricated. Detailed design and fabrication process of each part of actuator were presented, and the integration is described. Its operation was validated by experimentation. The firing performance

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20

Chen, Hui, Yong Ling Fu, Juan Chen, and He Song Liu. "Research on the New Missile Actuation System with Dual Independent Closed-Loop." Applied Mechanics and Materials 551 (May 2014): 337–43. http://dx.doi.org/10.4028/www.scientific.net/amm.551.337.

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With the development of the advanced precision-guided missile and anti-missile system, high precision, high penetration ability and Low energy consumption have become an important direction for the missile. A new missile electro-hydraulic actuation system with dual independent closed-loop is put forward with the trend of high performance and energy-saving, and then the operating principle and process are discussed. Finally the accurate mathematical model is established, and the influence of the different basic pressure on the dynamic performance is analyzed. The simulation results show that th

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21

Xue, Wendong, Mengjiao Yang, Deming Hong, Di Wu, Yishou Wang, and Xinlin Qing. "The Design and Verification of an Active SAMSR Ultrasonic Guided Wave Monitoring System with Ultra-Low Crosstalk." Sensors 20, no. 3 (2020): 898. http://dx.doi.org/10.3390/s20030898.

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Due to long propagation distance and high sensitivity to a variety of damages, ultrasonic guided wave technologies have been widely applied in the damage detection or health monitoring of pipe networks and large plate-like structures. However, there are two important problems to be solved when applying this technology; namely, the large scanning time required for monitoring large-scaled structures and the serious crosstalk between the actuation and receiving signals, especially when monitoring hot-spot regions. Therefore, this study mainly designed key parts, such as the matrix switcher and at

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22

Luo, Zhan Qiang, and De Liang Liang. "Modeling and Torque Balance Control of the Novel Dual-Redundancy Permanent Magnet Brushless Machine System." Applied Mechanics and Materials 416-417 (September 2013): 509–20. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.509.

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electromechanical actuator (EMA) as the integrated actuation system used in more aircraft has the advantages of both small size and high power density. Dual-redundancy permanent magnet brushless machine system used in EMA improves aircraft control actuator working reliability. The system topology is proposed by the analysis of different kinds of redundancy running modes and structures of dual-redundancy machine. The cause and consequence of unequal torque in two redundancy machines are analyzed. The equal torque is realized by using crossed-feedback control and piecewise linear interpolation m

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Cheng, Shing Shin, Yeongjin Kim, and Jaydev P. Desai. "Modeling and characterization of shape memory alloy springs with water cooling strategy in a neurosurgical robot." Journal of Intelligent Material Systems and Structures 28, no. 16 (2017): 2167–83. http://dx.doi.org/10.1177/1045389x16685443.

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Since shape memory alloy has a high power density and is magnetic resonance imaging compatible, it has been chosen as the actuator for the meso-scale minimally invasive neurosurgical intracranial robot (MINIR-II) that is envisioned to be operated under continuous magnetic resonance imaging guidance. We have devised a water cooling strategy to improve its actuation frequency by threading a silicone tube through the spring coils to form a compact cooling module-integrated actuator. To create active bi-directional motion in each robot joint, we configured the shape memory alloy springs in an anta

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24

Abdelrahman, Mohammad, and Sang-Young Park. "Integrated attitude determination and control system via magnetic measurements and actuation." Acta Astronautica 69, no. 3-4 (2011): 168–85. http://dx.doi.org/10.1016/j.actaastro.2011.03.010.

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Sriramshankar, R., and G. R. Jayanth. "An Integrated Magnetic Actuation System for High-Speed Atomic Force Microscopy." IEEE/ASME Transactions on Mechatronics 23, no. 5 (2018): 2285–94. http://dx.doi.org/10.1109/tmech.2018.2857464.

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Lan, Ning, Manzhao Hao, Chuanxin M. Niu, et al. "Next-Generation Prosthetic Hand: from Biomimetic to Biorealistic." Research 2021 (March 25, 2021): 1–4. http://dx.doi.org/10.34133/2021/4675326.

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Integrating a prosthetic hand to amputees with seamless neural compatibility presents a grand challenge to neuroscientists and neural engineers for more than half century. Mimicking anatomical structure or appearance of human hand does not lead to improved neural connectivity to the sensorimotor system of amputees. The functions of modern prosthetic hands do not match the dexterity of human hand due primarily to lack of sensory awareness and compliant actuation. Lately, progress in restoring sensory feedback has marked a significant step forward in improving neural continuity of sensory inform

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Wang, Weichen, Yuanwen Jiang, Donglai Zhong, et al. "Neuromorphic sensorimotor loop embodied by monolithically integrated, low-voltage, soft e-skin." Science 380, no. 6646 (2023): 735–42. http://dx.doi.org/10.1126/science.ade0086.

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Artificial skin that simultaneously mimics sensory feedback and mechanical properties of natural skin holds substantial promise for next-generation robotic and medical devices. However, achieving such a biomimetic system that can seamlessly integrate with the human body remains a challenge. Through rational design and engineering of material properties, device structures, and system architectures, we realized a monolithic soft prosthetic electronic skin (e-skin). It is capable of multimodal perception, neuromorphic pulse-train signal generation, and closed-loop actuation. With a trilayer, high

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28

García-Córdova, Francisco, Antonio Guerrero-González, Joaquín Zueco, and Andrés Cabrera-Lozoya. "Simultaneous Sensing and Actuating Capabilities of a Triple-Layer Biomimetic Muscle for Soft Robotics." Sensors 23, no. 22 (2023): 9132. http://dx.doi.org/10.3390/s23229132.

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This work presents the fabrication and characterization of a triple-layered biomimetic muscle constituted by polypyrrole (PPy)-dodecylbenzenesulfonate (DBS)/adhesive tape/PPy-DBS demonstrating simultaneous sensing and actuation capabilities. The muscle was controlled by a neurobiologically inspired cortical neural network sending agonist and antagonist signals to the conducting polymeric layers. Experiments consisted of controlled voluntary movements of the free end of the muscle at angles of ±20°, ±30°, and ±40° while monitoring the muscle’s potential response. Results show the muscle’s poten

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Šimic, Marko, and Niko Herakovič. "Investigation of Innovative High-Response Piezoelectric Actuator Used as Smart Actuator–Sensor System." Applied Sciences 14, no. 18 (2024): 8523. http://dx.doi.org/10.3390/app14188523.

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This paper presents an experimental analysis of a high-response piezoelectric actuator system for the modular design of hydraulic digital fluid control units. It focuses on determining static and dynamic characteristics, forming the basis for developing a smart Industry 4.0 component that incorporates both actuator and sensor function. The design process examines the main challenges, advantages, disadvantages, and working principles to define parameters that impact the actuator’s behaviour and performance. The new piezoelectric actuator system features three piezoelectric stack actuators in se

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Kammegne, M. J. Tchatchueng, and R. M. Botez. "A new hybrid control methodology for a morphing aircraft wing-tip actuation mechanism." Aeronautical Journal 123, no. 1269 (2019): 1757–87. http://dx.doi.org/10.1017/aer.2019.106.

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ABSTRACTThe focus of this paper is on the modelling of miniature electromechanical actuators used in a morphing wing application, on the development of a control concept for these actuators, and on the experimental validation of the designed control system integrated in the morphing wing-tip model for a real aircraft. The assembled actuator includes as its main component a brushless direct current motor coupled to a trapezoidal screw by using a gearing system. A Linear Variable Differential Transformer (LVDT) is attached on each actuator giving back the actuator position in millimetres for the

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Zhou, Su-Wei, Chen Liang, and C. A. Rogers. "An Impedance-Based System Modeling Approach for Induced Strain Actuator-Driven Structures." Journal of Vibration and Acoustics 118, no. 3 (1996): 323–31. http://dx.doi.org/10.1115/1.2888185.

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This paper presents the theoretical development and experimental verification of a system model of piezoelectric (PZT) patch actuators for induced strain actuation of two-dimensional active structures. The model includes the dynamic interaction between PZT actuators and their host structures. Analytical solutions of the output behavior of the PZT actuators have been developed based upon the actuator input impedance and the mechanical impedance of the host structures. The impedance-based model was then applied to thin plates and thin shells, and to beams. The case studies demonstrate the genera

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Chen, Jie, Hengyu Guo, Zhiyi Wu, et al. "Actuation and sensor integrated self-powered cantilever system based on TENG technology." Nano Energy 64 (October 2019): 103920. http://dx.doi.org/10.1016/j.nanoen.2019.103920.

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Park, J., C. S. Kim, and M. Choi. "Oxidase-Coupled Amperometric Glucose and Lactate Sensors With Integrated Electrochemical Actuation System." IEEE Transactions on Instrumentation and Measurement 55, no. 4 (2006): 1348–55. http://dx.doi.org/10.1109/tim.2006.876396.

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Nguyen, Manh Hung, Hoang Vu Dao, and Kyoung Kwan Ahn. "Active Disturbance Rejection Control for Position Tracking of Electro-Hydraulic Servo Systems under Modeling Uncertainty and External Load." Actuators 10, no. 2 (2021): 20. http://dx.doi.org/10.3390/act10020020.

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In this paper, an active disturbance rejection control is designed to improve the position tracking performance of an electro-hydraulic actuation system in the presence of parametric uncertainties, non-parametric uncertainties, and external disturbances as well. The disturbance observers (Dos) are proposed to estimate not only the matched lumped uncertainties but also mismatched disturbance. Without the velocity measurement, the unmeasurable angular velocity is robustly calculated based on the high-order Levant’s exact differentiator. These disturbances and angular velocity are integrated into

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Schönfeld, Dennis, Dilip Chalissery, Franziska Wenz, Marius Specht, Chris Eberl, and Thorsten Pretsch. "Actuating Shape Memory Polymer for Thermoresponsive Soft Robotic Gripper and Programmable Materials." Molecules 26, no. 3 (2021): 522. http://dx.doi.org/10.3390/molecules26030522.

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For soft robotics and programmable metamaterials, novel approaches are required enabling the design of highly integrated thermoresponsive actuating systems. In the concept presented here, the necessary functional component was obtained by polymer syntheses. First, poly(1,10-decylene adipate) diol (PDA) with a number average molecular weight Mn of 3290 g·mol−1 was synthesized from 1,10-decanediol and adipic acid. Afterward, the PDA was brought to reaction with 4,4′-diphenylmethane diisocyanate and 1,4-butanediol. The resulting polyester urethane (PEU) was processed to the filament, and samples

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Xu, Yanlei, Zongmei Gao, Lav Khot, Xiaotian Meng, and Qin Zhang. "A Real-Time Weed Mapping and Precision Herbicide Spraying System for Row Crops." Sensors 18, no. 12 (2018): 4245. http://dx.doi.org/10.3390/s18124245.

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This study developed and field tested an automated weed mapping and variable-rate herbicide spraying (VRHS) system for row crops. Weed detection was performed through a machine vision sub-system that used a custom threshold segmentation method, an improved particle swarm optimum (IPSO) algorithm, capable of segmenting the field images. The VRHS system also used a lateral histogram-based algorithm for fast extraction of weed maps. This was the basis for determining real-time herbicide application rates. The central processor of the VRHS system had high logic operation capacity, compared to the

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Ameduri, Salvatore. "A SMA Based Morphing Leading Edge Architecture." Advanced Materials Research 1016 (August 2014): 383–88. http://dx.doi.org/10.4028/www.scientific.net/amr.1016.383.

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This paper analyses a morphing leading edge device, activated by a Shape Memory Alloy (SMA) actuator. The objective is to achieve the Droop Nose effect for particular phases of the flight (e.g. take-off, landing), both obtaining an increased lift and preserving the laminar flow. The device is constituted of: a kinematic chain at the level of the wing section, transmitting motion to the skin, this way fitting the Droop Nose target shape; a span-wise architecture integrated with a SMA actuator, ensuring both a reduction of the actuation forces and the balancing of the aerodynamic external load.

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Bai, Xian-Xu, Peng Jiang, and Li-Jun Qian. "Integrated semi-active seat suspension for both longitudinal and vertical vibration isolation." Journal of Intelligent Material Systems and Structures 28, no. 8 (2016): 1036–49. http://dx.doi.org/10.1177/1045389x16666179.

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“Functional integration” is to integrate two or multiple systems or mechanisms that are independent with each other and to realize the two or multiple functions using only one actuation system. Maximization of engineering applications of actuation systems could be achieved through the use of the “functional integration” concept-based structural design. In this article, an integrated semi-active seat suspension, mainly composed of a switching mechanism, a transmission amplification mechanism, and a damping force- or torque-controllable rotary magnetorheological (MR) damper working in pure shear

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Berkmortel, Nicole, Matthew Curtis, Colin Johnson, Alicia Schmidt, Elyse Hill, and S. Andrew Gadsden. "Development of a Mechatronic System for Plant Recognition and Intra-row Weeding With Machine Vision." Journal of Agricultural Science 13, no. 3 (2021): 1. http://dx.doi.org/10.5539/jas.v13n3p1.

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In this paper, an electro-mechanical integrated weed management system was designed, constructed, and tested. This laboratory-scale solution integrated elements of machine vision, controls, and mechanical actuation to selectively remove weeds from within a crop row. The device was validated in a controlled environment using corn crops. Various crop conditions were considered to ensure the robustness of the design. Though some design aspects should be reworked for improved results, the device can effectively be used to facilitate small-scale research for automated weeding strategies.

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Iyaghigba, Samuel David, Ivan Petrunin, and Nicolas P. Avdelidis. "Modeling a Hydraulically Powered Flight Control Actuation System." Applied Sciences 14, no. 3 (2024): 1206. http://dx.doi.org/10.3390/app14031206.

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Many different types of aircraft designs have flight control systems (FCS) powered by hydraulic systems. With respect to the torques, moments, surface areas, and opposing forces to be acted upon, components introduce faults into the hydraulic system when these components are aging or degrading. The diagnostics of a hydraulically powered flight control actuation system (HPFCAS) rely on the faults produced within the subsystem components as well as the entire system’s mechanism itself. In this paper, a model for an HPFCAS is developed to analyze faults where the HPFCAS was approached as a system

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Luo, Jack K., Y. Q. Fu, Greg Ashley, and Williams I. Milne. "Integrated ZnO Film Based Acoustic Wave Microfluidics and Biosensors." Advances in Science and Technology 67 (October 2010): 49–58. http://dx.doi.org/10.4028/www.scientific.net/ast.67.49.

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Lab-on-a-chip (LOC) is one of the most important microsystems with promising applications in microanalysis, drug development and diagnosis, etc. We have been developing a LOC biodetection system using acoustic wave as a single actuation mechanism for both microfluidics and biosensing using low cost piezoelectric ZnO film. Surface acoustic waves (SAW) coupled into the liquid will induce acoustic streaming, or move the droplet on the surface. These have been utilized to make SAW-based micropumps and micromixers which are simple in structure, easy to fabricate, low cost, reliable and efficient. S

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Razzaq, M. Yasar, M. Behl, and A. Lendlein. "Magneto-Mechanical Actuators with Reversible Stretching and Torsional Actuation Capabilities." MRS Advances 4, no. 19 (2019): 1057–65. http://dx.doi.org/10.1557/adv.2019.123.

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ABSTRACTComposite actuators consisting of magnetic nanoparticles dispersed in a crystallizable multiphase polymer system can be remotely controlled by alternating magnetic fields (AMF). These actuators contain spatially segregated crystalline domains with chemically different compositions. Here, the crystalline domain associated to low melting transition range is responsible for actuation while the crystalline domain associated to the higher melting transition range determines the geometry of the shape change. This paper reports magneto-mechanical actuators which are based on a single crystall

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Wierach, Peter, Jan Petersen, and Michael Sinapius. "Design and Experimental Characterization of an Actuation System for Flow Control of an Internally Blown Coanda Flap." Aerospace 7, no. 3 (2020): 29. http://dx.doi.org/10.3390/aerospace7030029.

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The focus of the work is on the evaluation, development and integration of a robust actuator system for three-dimensional flow control of a blown Coanda flap to improve the high lift system of commercial aircraft. As part of the research work presented, the system is integrated into a wind tunnel model in order to influence the flow across the entire width of the model. The system developed is based on individual bending transducers that can vary the height of the blowing slot dynamically. The system is divided into 33 segments and is therefore able to implement static and dynamic actuation al

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Panza, M. J., and R. W. Mayne. "Hydraulic Actuator Tuning in the Control of a Rotating Flexible Beam Mechanism." Journal of Dynamic Systems, Measurement, and Control 118, no. 3 (1996): 449–56. http://dx.doi.org/10.1115/1.2801166.

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The end point position and vibration control of a rotating flexible beam mechanism driven by a hydraulic cylinder actuator are considered. An integrated nonlinear system model comprised of beam dynamics, hydraulic actuator, control valves, and control scheme is presented. Control based on simple position feedback, along with a hydraulic actuation system tuned to suppress beam vibration over a wide range of angular motion, is investigated. For positioning to small to moderate mechanism angles, a linear system model with the actuator tuned for good open-loop performance is developed. Actuator tu

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Pétin, Jean-François, Benoit Iung, and Gérard Morel. "Distributed intelligent actuation and measurement (IAM) system within an integrated shop-floor organisation." Computers in Industry 37, no. 3 (1998): 197–211. http://dx.doi.org/10.1016/s0166-3615(98)00099-2.

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Hendy, Hossam, Yehia Elhalwagy, Sameh Shelan, and Mohammed Abozied. "Design and implementation of FPGA based integrated missile actuation system and control synthesis." International Journal of Automation and Control 17, no. 1 (2023): 1. http://dx.doi.org/10.1504/ijaac.2023.10053904.

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Abozied, Mohammed Hassan, Sameh Fathey Shelan, Yehia Zakarya Elhalwagy, and Hossam Hendy. "Design and implementation of FPGA-based integrated missile actuation system and control synthesis." International Journal of Automation and Control 17, no. 5 (2023): 506–28. http://dx.doi.org/10.1504/ijaac.2023.133979.

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Qiu, Xianbo, Junhui Zhang, Shisong Gong, et al. "A Single-Bead-Based, Fully Integrated Microfluidic System for High-Throughput CD4+T Lymphocyte Enumeration." SLAS TECHNOLOGY: Translating Life Sciences Innovation 23, no. 2 (2017): 134–43. http://dx.doi.org/10.1177/2472630317737016.

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A single-bead-based, fully integrated microfluidic system has been developed for high-throughput CD4+T lymphocyte enumeration at point-of-care testing. Instead of directly counting CD4+T lymphocytes, CD4+T lymphocyte enumeration is achieved by quantitatively detecting CD4 antigen from the lysed blood sample with a functionalized polycarbonate single bead based on chemiluminescence. To implement the sandwiched chemiluminescence immunoassay with reduced nonspecific binding, a streamlined microfluidic chip with multiple reaction chambers is developed to allow each reaction step to be completed in

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Li, Xiao, Detian Zeng, Han Xu, Qi Zhang, and Bin Liao. "Magnetic Actuation for Wireless Capsule Endoscopy in a Large Workspace Using a Mobile-Coil System." Micromachines 15, no. 11 (2024): 1373. http://dx.doi.org/10.3390/mi15111373.

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Current wireless capsule endoscopy (WCE) is limited in the long examination time and low flexibility since the capsule is passively moved by the natural peristalsis. Efforts have been made to facilitate the active locomotion of WCE using magnetic actuation and localization technologies. This work focuses on the motion control of the robotic capsule under magnetic actuation in a complex gastrointestinal (GI) tract environment in order to improve the efficiency and accuracy of its motion in dynamic, complex environments. Specifically, a magnetic actuation system based on a four-electromagnetic c

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Alam, Umme Kawsar, Kassidy Shedd, and Mahdi Haghshenas-Jaryani. "Trajectory Control in Discrete-Time Nonlinear Coupling Dynamics of a Soft Exo-Digit and a Human Finger Using Input–Output Feedback Linearization." Automation 4, no. 2 (2023): 164–90. http://dx.doi.org/10.3390/automation4020011.

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This paper presents a quasi-static model-based control algorithm for controlling the motion of a soft robotic exo-digit with three independent actuation joints physically interacting with the human finger. A quasi-static analytical model of physical interaction between the soft exo-digit and a human finger model was developed. Then, the model was presented as a nonlinear discrete-time multiple-input multiple-output (MIMO) state-space representation for the control system design. Input–output feedback linearization was utilized and a control input was designed to linearize the input–output, whe

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