Trajectory Optimization of Lower Extremity Rehabilitation Robots Based on Cycloid by Cui Bingyan, Zeng Hongtai, Yang Zhongyuan, Gui Xiaogeng, Li He, Wang Jingwei

“…Based on the rehabilitation, injury mechanism, and motion form of the ankle joint, a comparative analysis of several low degree of freedom planar symmetric parallel mechanisms is conducted, and a design prototype using a 2UU-UPU mechanism as the rehabilitation actuator is determined; research on trajectory planning for lower limb rehabilitation training of lower limb rehabilitation robots, trajectory planning motion formulas for cycloidal motion laws and superimposed cycloidal motion laws are derived, and the rationality of trajectory under different rehabilitation training conditions is verified. …”
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Design and Simulation of an Automatic Alignment System for Ship Multi-Support Shafting by Jun Zhang, Yibin Deng, Guozhang Gao, Hanhua Zhu

“…The overall design of the automatic alignment system is proposed, including the establishment of shafting and actuator models. The alignment performance of two control strategies under different shafting deviations is validated through simulations. …”
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Fault Tolerant Control Algorithm of Hexarotor UAV by Songming Jiao, Haiyue Gao, Xiaokun Zheng, Dengpan Liu

“…Secondly, in the case of actuator failure of hexarotor UAV, a fault observer was used to estimate fault information accurately. …”
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Health Status Monitoring of Cuplock Scaffold Joint Connection Based on Wavelet Packet Analysis by Liuyu Zhang, Chenyu Wang, Gangbing Song

“…Experimental results show that shear PZT has better performance than stress PZT to be used as actuator and sensor for the wavelet packet analysis based structural health monitoring. …”
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Modular Self-Reconfigurable Robotic Systems: A Survey on Hardware Architectures by S. Sankhar Reddy Chennareddy, Anita Agrawal, Anupama Karuppiah

“…The diversified nature of various modular robotic solutions proposed for real world applications and utilization of different sensor and actuator interfacing techniques along with physical model optimizations presents implicit challenges to researchers while identifying and visualizing the merits/demerits of various approaches to a solution. …”
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Deep reinforcement learning for active flow control in a turbulent separation bubble by Bernat Font, Francisco Alcántara-Ávila, Jean Rabault, Ricardo Vinuesa, Oriol Lehmkuhl

“…The physical analysis of the DRL control strategy reveals the production of large-scale counter-rotating vortices by adjacent actuator pairs. It is shown that the DRL agent acts on a wide range of frequencies to sustain these vortices in time. …”
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Motion Interference Inspection and Workspace Research of 3-RRR Spherical Parallel Robot by Li Wang, Rong Wang

“…The 3-RRR spherical parallel robot is applied as the actuator for spatial positioning and tracking，the Euler angle is described the pose of the robot end moving platform. …”
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Damage Detection of Composite Plates by Lamb Wave Ultrasonic Tomography with a Sparse Hexagonal Network Using Damage Progression Trends by C. J. Keulen, M. Yildiz, A. Suleman

“…This technique gives an amplification factor to data along actuator-sensor paths that show a steady reduction in transmitted power as induced damage progresses and is implemented with the reconstruction algorithm for probabilistic inspection of damage (RAPID) technique. …”
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An Active System for Visually-Guided Reaching in 3D across Binocular Fixations by Ester Martinez-Martin, Angel P. del Pobil, Manuela Chessa, Fabio Solari, Silvio P. Sabatini

“…In that way, the different aspects of the visuomotor coordination are integrated: an active vision system, composed of two vergent cameras; a module for the 2D binocular disparity estimation based on a local estimation of phase differences performed through a bank of Gabor filters; and a robotic actuator to perform the corresponding tasks (visually-guided reaching). …”
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Cooperative secure transmission against collusive eavesdroppers in Internet of Things by Xin Fan, Yan Huo

“…Considering the cooperation of multiple nodes with multiple antennas, this strategy can maximize the signal-to-interference-plus-noise ratio at an actuator (legitimate receiver). Meanwhile, the generated cooperative jamming signals can reduce the signal-to-interference-plus-noise ratio at eavesdroppers. …”
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Development of High-Performance Soft Robotic Fish by Numerical Coupling Analysis by Wenjing Zhao, Aiguo Ming, Makoto Shimojo

“…To design a soft robotic fish with high performance by a biomimetic method, we are developing a soft robotic fish using piezoelectric fiber composite (PFC) as a flexible actuator. Compared with the conventional rigid robotic fish, the design and control of a soft robotic fish are difficult due to large deformation of flexible structure and complicated coupling dynamics with fluid. …”
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Service Differentiated and Adaptive CSMA/CA over IEEE 802.15.4 for Cyber-Physical Systems by Feng Xia, Jie Li, Ruonan Hao, Xiangjie Kong, Ruixia Gao

“…In addition, Quality of Service (QoS) provisioning in CPS, especially in the wireless sensor/actuator networks, plays an essential role in Smart Grid applications. …”
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Error Signal Differential Term Feedback Enhanced Variable Step Size FxLMS Algorithm for Piezoelectric Active Vibration Control by Weiguang Li, Wei Wang, Bin Li, Zhichun Yang

“…Subsequently, a DVSFxLMS controller is designed to carry out the AVC simulation and experiments on cantilever beam with PSA (piezoelectric stack actuator). Simulation and experimental results show that the proposed DVSFxLMS algorithm has faster convergence rate and smaller steady-state error than the traditional FxLMS algorithm, which also has strong antinoise ability and adaptive control ability to quickly track the variable external disturbance.…”
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Preparation, Physicochemical Characterization, and Microrobotics Applications of Polyvinyl Chloride- (PVC-) Based PANI/PEDOT: PSS/ZrP Composite Cation-Exchange Membrane by Mohd Imran Ahamed, Inamuddin, Abdullah M. Asiri, Mohammad Luqman, Lutfullah

“…In this manner, the proposed ionomeric membrane was found proper for bending movement actuator that will give a successful and promising stage for smaller-scale mechanical applications.…”
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Fiber Bragg Grating-Based Performance Monitoring of Piles Fiber in a Geotechnical Centrifugal Model Test by Xiaolin Weng, Jianxun Chen, Jun Wang

“…Prior to the test, quasidistributed fiber Bragg grating (FBG) strain sensors were attached to the surface of the pipe piles to measure the lateral friction resistance in real time. Via the centrifuge actuator, the driving of pipe piles was simulated. …”
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Event-Trigger Reinforcement Learning-Based Coordinate Control of Modular Unmanned System via Nonzero-Sum Game by Yebao Liu, Tianjiao An, Jianguo Chen, Luyang Zhong, Yuhan Qian

“…Decreasing the position error and control torque is important for the coordinate control of a modular unmanned system with less communication burden between the sensor and the actuator. Therefore, this paper proposes event-trigger reinforcement learning (ETRL)-based coordinate control of a modular unmanned system (MUS) via the nonzero-sum game (NZSG) strategy. …”
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Screw material extrusion of super soft thermoplastic elastomer for additive manufacturing of inflatables by Albert Curmi, Arif Rochman

“…These results enable the development of an innovative elastic inflatable actuator (EIA) to successfully pick and place fragile objects using soft, lightly pressurised inflatables. …”
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Experimental Study on the Tensile Properties of Rock-Mortar Interface under Different Strain Rates by Nan Wu, Zhende Zhu, Zhilei He

“…Through the use of a precise servo actuator system and three extensometers measured axial-stress-crack-width curves, it is shown that the rock-mortar interface is very sensitive to the strain rate. …”
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A State-Space Modeling Approach for Active Structural Acoustic Control by Leopoldo P.R. de Oliveira, Paulo S. Varoto, Paul Sas, Wim Desmet

“…This kind of models should allow the inclusion of sensors and actuators models, if accurate performance indexes are to be accessed. …”
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Mechanism and Design Analysis of Articulated Ankle Foot Orthoses for Drop-Foot by Morshed Alam, Imtiaz Ahmed Choudhury, Azuddin Bin Mamat

“…Existing AFOs are designed with or without articulated joint with various motion control elements like springs, dampers, four-bar mechanism, series elastic actuator, and so forth. This paper examines various AFO designs for drop-foot, discusses the mechanism, and identifies limitations and remaining design challenges. …”
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