Proof of concept for multirotor systems with vortex-generating modes for regenerative wind energy: a study based on numerical simulations and experimental data by F. Avila Correia Martins, A. van Zuijlen, A. van Zuijlen, C. Simão Ferreira

“…The wind flow is modeled using steady-state Reynolds-averaged Navier–Stokes (RANS) computations, with the multirotor and ABL-control devices represented by three-dimensional actuator surface models based on momentum theory. Force coefficient data for the actuator surface models, as well as validation data for the numerical computations, were obtained from a scaled model at TU Delft's Open Jet Facility. …”
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Penerapan Smart Sensor untuk Kendali pH dan Level Larutan Nutrisi pada Sistem Hidroponik Tanaman Pakcoy by Fitri Rahmah, Fitria Hidayanti, Mutma Innah

“…While the measured pH value is below 6, the solenoid valve as an actuator of the base solution will open automatically and flow into the nutrient solutions. …”
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Electromechanical Characterization and Locomotion Control of IPMC BioMicroRobot by Martin J.-D. Otis

“…The use of the laser vibrometer shows the linear characteristics between the duty cycle of square wave input and displacement rate of the actuator at multiple frequencies. This linearity is used to design a servo-system in order to reproduce insect tripod walking. …”
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Load Characteristics and Modeling Methods for the Flow Regulator of a Solid Ducted Rocket by An Wang, Qinghua Zeng

“…System modeling of the flow regulator was carried out based on the working mechanism of the gas generator and the Stribeck friction model, and models of the actuator, gas generator, and load were built. Furthermore, considering the identification of the model parameters and the inapplicability of the conventional Stribeck identification method to the flow regulator, a new Stribeck model parameter identification method was proposed. …”
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New Joint Design to Create a More Natural and Efficient Biped by Giuseppina Gini, Umberto Scarfogliero, Michele Folgheraiter

“…We implemented an elastic actuator, with a simple position control paradigm that sets the joint stiffness in real time, and developed the basic controller. …”
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Implementation of a Controller to Eliminate the Limit Cycle in the Inverted Pendulum on a Cart by Mayra Antonio-Cruz, Victor Manuel Hernández-Guzmán, Ramón Silva-Ortigoza, Gilberto Silva-Ortigoza

“…The objective is to improve the performance of the control system by eliminating the limit cycle generated by the dead-zone, induced by static friction, at the actuator of the mechanism. This control strategy has been recently introduced and applied by the authors to eliminate the limit cycle in the Furuta pendulum and the pendubot systems. …”
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Adaptive Fuzzy Fault-Tolerant Output Feedback Tracking Control of Uncertain Stochastic Nonlinear Systems with Unknown Time-Delay and Tracking Error Constrained by Shuai Sui, Shaocheng Tong, Yongming Li

“…The problem of tracking error constrained adaptive fuzzy output feedback control is investigated for a class of single-input and single-output (SISO) stochastic nonlinear systems with actuator faults, unknown time-delay, and unmeasured states. …”
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Performance Analysis and Optimization of a 6-DOF Robotic Crusher by Guoguang Li, Boqiang Shi, Ruiyue Liu, Jie Gu

“…As an important operation in the screw theory, the reciprocal product between the transmission wrench screw of an actuator and the output twist screw of the mantle assembly is used to represent the instantaneous power. …”
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Effects of Interaction between Dual Shaking Tables and Specimen and Force Feedback Compensation Control by Fangfang Li, Xiaojun Li, Juke Wang

“…However, the measurement errors of the force in the actuator and the acceleration of the shaking tables existed in the process of force feedback compensation. …”
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Polarization and Strain in Piezoelectric Nanomaterials: Advancing Sensing Applications in Biomedical Technology by Anmol Garg, Sajal Agarwal, Deepak Punetha

“…This paper reports the comparative analysis of different piezoelectric materials through a MEMS-based piezoelectric actuator model, emphasizing their potential for sensing applications. …”
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Divisive hierarchical clustering for energy saving and latency reduction in UAV-assisted WSANs by Xuan Zhang, Yong-Long Wang, Heejung Byun

“…Abstract In response to the harsh and limited conditions prevalent in remote areas, wireless sensor and actuator networks (WSANs) play an essential role in Internet-of-Things systems by monitoring and interacting with unattended environments. …”
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Acoustic and Vibration Control for an Underwater Structure under Mechanical Excitation by Shi-Jian Zhu, Xue-Tao Weng, Hong-Liang Dai, Yi-Ming Fu, Yi-Qi Mao

“…Based on negative feedback control algorithm, a control loop with a coupling use of piezoelectric sensor and actuator is built, and accordingly some numerical examples are carried out on active control of structural vibration and acoustic response. …”
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Energy-Efficient Robust Control for Direct Drive and Energy Recuperation Hydraulic Servo System by Weiping Wang, Jiyun Zhao

“…During the vertical cyclic actuation process of heavy materials handling, the gravitational potential energy will be converted to heat in the form of throttle in the traditional hydraulic system. …”
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Acceleration Feedback-Based Active and Semi-Active Seismic Response Control of Rail-Counterweight Systems of Elevators by Rildova, M.P. Singh

“…For this, a part of the counterweight mass can be configured as a mass damper attached to a small actuator for an active scheme or to a magneto-rheological damper for a semi-active scheme. …”
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Feasibility Study on Crack Detection of Pipelines Using Piezoceramic Transducers by Guofeng Du, Qingzhao Kong, Timothy Lai, Gangbing Song

“…Due to their electromechanical properties, the piezoceramic transducers can be either as an actuator or a sensor to generate or detect the stress wave. …”
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Sensitivity-enhancing feedback control–based damage detection in delaminated smart composite plates by Yan Guo, Yanan Jiang, Zhenghua Qian, Bin Huang

“…In this article, we present a sensitivity-enhancing feedback control–based damage detection method for piezoelectric actuator and sensor bonded composite laminates with delamination failures. …”
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Development of Electrohydraulic Steering Control System for Tractor Automatic Navigation by Chengqiang Yin, Qun Sun, Jian Wu, Chengqiang Liu, Jie Gao

“…The most of tractors employed in agriculture are equipped with an electrohydraulic actuator to implement steering control to realize automatic navigation. …”
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A New Adaptive System for Suppression of Transient Wind Disturbance in Large Antennas by Wei Liang, Jin Huang, Jie Zhang

“…Next, a novel four-cable-actuator mechanism with a circular slide track is proposed for suppressing the vibration, in which the locations of the cable drivers on the slide track are determined according to the attitude of the antenna, and the expected tension distribution of the cables is found by the vibration state and the optimal gain of the linear quadratic regulator (LQR). …”
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Deformation Control in Rest-to-Rest Motion of Mechanisms with Flexible Links by Roberto Caracciolo, Dario Richiedei, Alberto Trevisani

“…An outer control loop is closed to compute the references for the position controllers of each actuator, which can be thought of as the inner control loop. …”
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Heavy-duty Casting Robot Trajectory Planning Based on the Law of Composite Polynomial Motion by Wang Chengjun, Yang Lin, Li Long, Shen Yuzhe

“…The degree-of-freedom of the actuator is calculated by the topological structure theory of the robot mechanism, and the position of the parallel mechanism is solved by the closed-loop vector method, the kinematic position equation of the hybrid mechanism is derived according to the equivalent method and the geometric method. …”
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