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621
Shorter Path Design and Control for an Underactuated Satellite
Published 2017-01-01“…In the event of a control failure on an axis of a spacecraft, a target attitude can be achieved by several sequential rotations around the remaining control axes. For a spacecraft actuating with wheels, the form of each submaneuver should be a pure single axis rotation since the failed axis should not be perturbed. …”
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622
A Thermoelastic Piezoelectric Fixed Rod Exposed to an Axial Moving Heat Source via a Dual-Phase-Lag Model
Published 2021-01-01“…Piezoelectric ceramics are used more in the active control of noise and vibration with sensors and actuators. As a result, a one-dimensional homogeneous thermoelastic fixed piezoelectric rod subjected to a moving heat flow has been considered. …”
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623
Nonlinear Free and Forced Vibration Behavior of Shear-Deformable Composite Beams with Shape Memory Alloy Fibers
Published 2016-01-01“…The parametric study is carried out to display the effect of the actuation temperature, the volume fraction, the initial strain of SMA fibers, and the length-to-thickness ratio. …”
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624
Design and Evaluation of a Wearable Powered Foot Orthosis with Metatarsophalangeal Joint
Published 2018-01-01“…In this paper, in order to improve the walking performance of people with lower limb impairments, a wearable powered foot orthosis (WPFO) which has actuated MTP joint is designed and constructed. Preliminary experiments on three nondisabled subjects demonstrated functionality and capabilities of the WPFO to provide correctly timed dorsiflexion and plantar flexion assistance at the MTP joint during walking. …”
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625
Dynamics Model of 4-PRP+3-UPS&PU Hybrid Machine Tool with Redundant Drive
Published 2017-01-01“…The Lagrange method is applied to build dynamics model of the 6 DOF redundantly actuated hybrid machine tool. Firstly,the configuration of the 4-PRP + 3-UPS&PU machine tool is analyzed,and the coordinate system is established. …”
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626
Numerical Investigation of Flapwise-Torsional Vibration Model of a Smart Section Blade with Microtab
Published 2015-01-01“…The effectiveness of the microtab is investigated with the scenarios of different output controllers and actuation deployments for both instability cases. The numerical results show that the microtab can effectively suppress both vibration modes with the appropriate choice of the output feedback controller.…”
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627
Lower Limb Rehabilitation Using Patient Data
Published 2016-01-01“…Based on kinematic and dynamic analysis of a 6-DoF UPS parallel robot, an algorithm was developed in MATLAB to calculate the length of the actuators and their required forces during all trajectories. …”
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628
Robust H∞ Feedback Compensator Design for Linear Parabolic DPSs with Pointwise/Piecewise Control and Pointwise/Piecewise Measurement
Published 2021-01-01“…A unified Lyapunov direct approach is proposed in consideration of the pointwise/piecewise control and point/piecewise measurement based on the distributions of the actuators and sensors. A new type of Luenberger observer is developed on the continuous interval of space domain to track the state of the system, and an H∞ performance constraint with prescribed H∞ attenuation levels is proposed in this paper. …”
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629
Tension Distribution and Dynamics Analysis of a Cable-driven Humanoid Wrist
Published 2020-06-01“…At the same time, taking into account the redundant actuation and single-direction force for the cables, the cable tension distribution optimization model is established, and the cable tension distribution is obtained by genetic algorithm. …”
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630
Study on the Composite Driving System of Dexterous Hand
Published 2017-01-01“…Aiming at the problems which perform in the traditional driving mode,for example,the complex structure of motor drive system,the large volume of hydraulic drive system,the difficult control of air pressure drive system,a composite driving system actuated by micro- motor and shape memory alloy( SMA) spring is proposed,then this system is applied to a humanoid multi- finger dexterous hand,the overall structure of the dexterous hand is simplified,and the control strategy gets optimized. …”
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631
Drivability Improvement Control for Vehicle Start-Up Applied to an Automated Manual Transmission
Published 2017-01-01“…The model not only includes the clutch dynamic, the flexible shaft dynamic, but also includes the actuators’ delay character. Considering the driver’s intention, a slipping speed trajectory is generated based on the acceleration pedal dynamically. …”
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632
Adaptive Foot in Lower-Limb Prostheses
Published 2017-01-01“…In this review, adaptive foot prostheses are classified according to actuation method. Furthermore, merits and demerits of present-day adaptive foot prostheses are presented based on the hardware construction. …”
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633
Simulation Analysis of A New Type Wheel Brake of Heavy Duty Truck
Published 2017-01-01“…A kind of wheel brake of a heavy vehicle is studied by using virtual prototype technology.At first,the main parameters of the wheel brake,such as actuation force,brake torque are calculated.The virtual prototype model of wheel brake is simulated and analyzed with the ADAMS software,the obtained total braking torque are consistent with the results from the theory calculation.Through simulation analysis,it can be found each friction plate has its own corresponding braking torque.The surface stress of each friction plate is analyzed by using the finite element software ANSYS,the simulation results is proved by using ADAMS software on the braking torque of the friction plate.Through the simulation analysis,it is also found the influence relationship among friction coefficient,vibration amplitude,vibration spectrum.A new idea to the research method based on virtual prototype for wheel brake optimization is provided.…”
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634
H∞ Networked Cascade Control System Design for Turboshaft Engines with Random Packet Dropouts
Published 2017-01-01“…The distributed control architecture becomes more and more important in future gas turbine engine control systems, in which the sensors and actuators will be connected to the controllers via a network. …”
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635
Control of Energy Storage Systems for Aeronautic Applications
Published 2017-01-01“…The main task of the supercapacitor is to protect the electric generator from abrupt power changes resulting from sudden insertion or disconnection of loads or from loads with regenerative power capabilities, like electromagnetic actuators. A controller based on high-gain concepts is designed to drive a DC/DC converter connecting the supercapacitor to the main electric bus. …”
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636
Smart Phone Based Monitoring of Agricultural Activities
Published 2022-12-01“…In this, a cross sub caste grounded channel access and routing answer for looking and actuating is proposed. We dissect the network structure grounded on content range, and quiescence. …”
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637
Self-Identification Algorithm for the Autonomous Control of Lateral Vibration in Flexible Rotors
Published 2012-01-01“…In this work, a self-identification algorithm is proposed for the autonomous decision and control of a flexible shaft rotating system with electromagnetic actuators. Based on the D-decomposition technique, the algorithm searches in the domain of controller gains the best ones for P and PD controllers to reduce maximum peak response of the shaft. …”
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638
Review of bioinspired aquatic jumping robots
Published 2025-06-01“…This paper summarizes the key features of bioinspired aquatic jumping robots, including their bioinspired structural designs, jumping mechanisms, and actuators, while evaluating their jumping performance. …”
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639
Design and Kinematics Analysis of Novel Uncoupled Two-translational Parallel Mechanism
Published 2021-08-01“…The kinematics models of the mechanism are established by using the actuation screw wrench theory and the closed loop vector method. …”
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640
Rethinking Bodily Expression in Human-Robot Communication: Insights from Sculpture.
Published 2024-06-01“…We illustrate the third principle via a robot design that uses a flexible fabric skin stretched over rigid and elastic actuation elements. Using insights from sculpture can promote the design of robots from a transdisciplinary perspective by increasing the readability of robot intent and affect even when the robot is not actively moving.…”
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