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Review and Comparison of Clearance Control Strategies
2022
Machines
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Finally, some opinions are proposed for the perfection and development of future clearance nonlinear control theory. ...
Ideas for realizing the suppression of the adverse effects of clearances have their characteristics, and in practical applications, the difficulty of implementation and cost control should be comprehensively ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/machines10060492
fatcat:ziyavtgy75ajxdqv6f3abmoouy
Nonlinear Neuromuscular Electrical Stimulation Tracking Control of a Human Limb
2009
IEEE transactions on neural systems and rehabilitation engineering
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, delays, fatigue). ...
A high-level objective of neuromuscular electrical stimulation (NMES) is to enable a person to achieve some functional task. ...
Fatigue can be reduced for short durations by selecting optimal stimulation parameters, but FES may require a controller that adapts with fatigue to yield performance gains for longer time durations. ...
doi:10.1109/tnsre.2009.2023294
pmid:19497828
fatcat:odzrvoa25zgwtlit53kqnr7bqq
Testing of Concrete Under Closed-Loop Control
1996
Advanced Cement Based Materials
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Closed-loop testing systems provide the ability to directly control the deformation of the loaded specimen. This considerably enhances the precision, stability, and scope of the experiments. ...
Closed-loop machines can be used to determine the stable response of a test specimen or structure by monitoring and controlling the physical quantities that are sensitive to its behavior. ...
Early testing machines were mainly of the former type, namely electromechanical. Though such machines continue to be used, hydraulic actuators are utilized for higher loads and loading rates. ...
doi:10.1016/1065-7355(95)00058-5
fatcat:usqhu4avunfbreuuvvmwxakoou
Testing of concrete under closed-loop control
1996
Advanced Cement Based Materials
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Closed-loop testing systems provide the ability to directly control the deformation of the loaded specimen. This considerably enhances the precision, stability, and scope of the experiments. ...
Closed-loop machines can be used to determine the stable response of a test specimen or structure by monitoring and controlling the physical quantities that are sensitive to its behavior. ...
Early testing machines were mainly of the former type, namely electromechanical. Though such machines continue to be used, hydraulic actuators are utilized for higher loads and loading rates. ...
doi:10.1016/s1065-7355(96)90072-3
fatcat:7kg6horhzfadtnde6qit43xohe
The Foundation of Electromagnets Based Active Vibration Control
[chapter]
2010
Vibration Control
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This was briefly tested and found to work in the test environment. However, this was out of focus, because very large forces would be required in heavy rotating machines. ...
the test environment for active vibration control of rotating machinery. ...
Open-access publishing is an extraordinary opportunity for a wide dissemination of high quality research. ...
doi:10.5772/10140
fatcat:ie5sn2oz6jd4xkhultdzrxnvla
A Survey of Control Issues in Nanopositioning
2007
IEEE Transactions on Control Systems Technology
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An important aspect of research in nanotechnology involves precision control and manipulation of devices and materials at a nanoscale, i.e., nanopositioning. ...
This paper presents an overview of nanopositioning technologies and devices emphasizing the key role of advanced control techniques in improving precision, accuracy, and speed of operation of these systems ...
Therefore, iterative and adaptive control methods are well suited for nanopositioning applications. 1) Hysteresis Control: Adaptive and iterative control approaches lead to a reduction in hysteresis effects ...
doi:10.1109/tcst.2007.903345
fatcat:mhyo47fyr5b3tof2i7eozen4bm
Dynamic Load Simulator: Actuation Strategies and Applications
2007
Journal of engineering mechanics
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The actuation strategy of the DLS is based on force-control rather than the customary motion control ͑displacement/velocity͒ scheme. ...
For implementation of this scheme, the nonlinear control system toolbox in MATLAB is used. ...
Any opinions, findings, or recommendations expressed in this paper are those of the writers and do not necessarily represent the views of the sponsors. ...
doi:10.1061/(asce)0733-9399(2007)133:8(855)
fatcat:2dsp2ygccbe53k36iwbjk4rc7q
Review on Control Strategies for Lower Limb Rehabilitation Exoskeletons
2021
IEEE Access
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A substantial part of them can serve both purposes. However, these devices are yet to reach the final goal of performing human-machine joint movement agilely and smartly. ...
Finally, it has been explored which requirements the future control strategies should meet for maximizing the performance of rehabilitation LLEs. ...
It is also expected that the future bio-signal to be precisely decoded for establishing an accurate human-machine dynamics model. The second requirement for future LLEs is embodiment. ...
doi:10.1109/access.2021.3110595
fatcat:65yjueltjnf6zfgyl5ovls56da
Continuous Myoelectric Prediction of Future Ankle Angle and Moment Across Ambulation Conditions and Their Transitions
2021
Frontiers in Neuroscience
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A hallmark of human locomotion is that it continuously adapts to changes in the environment and predictively adjusts to changes in the terrain, both of which are major challenges to lower limb amputees ...
due to the limitations in prostheses and control algorithms. ...
Harris, Thomas Silman, and Jacob Van Dehy for their support during the setup and integration of the gait analysis system. ...
doi:10.3389/fnins.2021.709422
pmid:34483828
pmcid:PMC8416349
fatcat:sh7uaqzqujbyvevdcrupdzirt4
2019-2020 Index IEEE Transactions on Industrial Electronics Vol. 67
2020
IEEE transactions on industrial electronics (1982. Print)
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, Implementation, and Evaluation of a Neural-Network-Based Quadcopter UAV System; TIE March 2020 2076-2085 Jiang, J., Mohagheghi, A., and Moallem, M., Energy-Efficient Supplemental LED Lighting Control ...
for a Proof-of-Concept Greenhouse System; TIE April 2020 3033-3042 Jiang, J., see Ma, J., TIE July 2020 5687-5695 Jiang, J., see Wang, J., TIE Aug. 2020 6864-6873 Jiang, J., see Wang, D., TIE Dec. 2020 ...
., +, TIE May 2020 3879-3890 Design of a High-Force Electromechanical Actuator for Electrically Driven Lathe Machine. ...
doi:10.1109/tie.2020.3045338
fatcat:gljm7ngg3fakvmnfswcbb5vwiu
Relationship Between Muscular Activity and Assistance Magnitude for a Myoelectric Model Based Controlled Exosuit
2020
Frontiers in Robotics and AI
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Thus, contrarily to classical force and proportional myoelectric schemes, the implementation of an opportunely tailored EMG-driven model based controller affords to naturally match user's intention detection ...
strategy is the paramount aspect which assume a fundamental importance for acceptance and usability of such technology. ...
SUPPLEMENTARY MATERIAL The Supplementary Material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/frobt. 2020.595844/full#supplementary-material ...
doi:10.3389/frobt.2020.595844
pmid:33501357
pmcid:PMC7805765
fatcat:xv3uxpcyv5ewrhdbkldf74isw4
The use of active materials for machining processes: A review
2007
International journal of machine tools & manufacture
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FTSs refer to auxiliary servos that are specially adopted to control a fast-acting tool holder with high resolution and fast dynamic response for ultra-precision turning or facing operations. ...
This paper is intended to provide an overview of recent research that adapts and implements active materials technology into manufacturing machinery for process monitoring and control. ...
which causes certain issues in precision control of machining processes. ...
doi:10.1016/j.ijmachtools.2007.06.002
fatcat:irm4tcgej5emrbik4kj67rbol4
Force-guided High-precision Grasping Control of Fragile and Deformable Objects using sEMG-based Force Prediction
[article]
2021
arXiv
pre-print
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Regulating contact forces with high precision is crucial for grasping and manipulating fragile or deformable objects. ...
Based on the force command predicted from human muscles, we developed a force-guided control framework, where force control was realized via an admittance controller that tracked the predicted gripping ...
Systems (EP/L016834/1), and in part by the EPSRC Future AI and Robotics for Space (EP/R026092/1). ...
arXiv:2002.01791v2
fatcat:rlyefroc4jgltn2hq5q4irdmpa
Slippage Sensory Feedback and Nonlinear Force Control System for a Low-Cost Prosthetic Hand
2009
American Journal of Biomedical Sciences
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The low acceptability of current prosthetic devices can be attributed to the extensive psychological effort and the high cost associated with them. ...
Consequently, the controller uses this prediction to calculate the best input (current needed to drive the actuators) for the system to obtain the desired output over a specific time horizon. ...
First, the device must be simple to use in that it must be easily adaptable for different users with reduced psychological effort and muscle fatigue. ...
doi:10.5099/aj090400295
fatcat:i2qqcnyqanhhvh6jkkg2jrwzcu
2021 Index IEEE Transactions on Industrial Electronics Vol. 68
2021
IEEE transactions on industrial electronics (1982. Print)
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The Author Index contains the primary entry for each item, listed under the first author's name. ...
The primary entry includes the coauthors' names, the title of the paper or other item, and its location, specified by the publication abbreviation, year, month, and inclusive pagination. ...
., +, TIE Sept. 2021 8487-8497 Dynamic Electromechanical Model and Position Controller Design of a New High-Precision Self-Bearing Linear Actuator. ...
doi:10.1109/tie.2021.3130363
fatcat:5ahkwd5l4fgnvcveiyso6oc6vy
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