Results 81 to 90 of about 188,665 (188)

Improving Sit/Stand Loading Symmetry and Timing Through Unified Variable Impedance Control of a Powered Knee-Ankle Prosthesis. [PDF]

IEEE Trans Neural Syst Rehabil Eng, 2023
Welker CG, Best TK, Gregg RD.
europepmc   +1 more source

Generalized Parity-Time Symmetry Condition for Enhanced Sensor Telemetry

, 2018
Wireless sensors based on micro-machined tunable resonators are important in a variety of applications, ranging from medical diagnosis to industrial and environmental monitoring.The sensitivity of these devices is, however, often limited by their low ...
Alù, Andrea, Chen, Pai-Yen, Cheng, Mark, Cui, Qingsong, El-Ganainy, Ramy, Hajizadegan, Mehdi, Sakhdari, Maryam   +6 more
core   +1 more source

Variable-Parameter Impedance Control of Manipulator Based on RBFNN and Gradient Descent

Sensors
During the interaction process of a manipulator executing a grasping task, to ensure no damage to the object, accurate force and position control of the manipulator’s end-effector must be concurrently implemented. To address the computationally intensive
Linshen Li, Fan Wang, Huilin Tang, Yanbing Liang   +3 more
doaj   +1 more source

Quantitative Analysis of Electrotonic Structure and Membrane Properties of NMDA-Activated Lamprey Spinal Neurons [PDF]

, 1995
Parameter optimization methods were used to quantitatively analyze frequency-domain-voltage-clamp data of NMDA-activated lamprey spinal neurons simultaneously over a wide range of membrane potentials.
Buchanan, James T., Moore, L. E., Murphey, C. R.   +2 more
core   +1 more source

Design and Application of MVIC for Hydraulic Drive Unit of Legged Robot

IEEE Access, 2019
A hydraulic drive unit (HDU), applied in each joint of a hydraulic driven legged robot, usually adopts the impedance control outer loop based on the hydraulic position or the force control inner loop during the motion process.
Bin Yu, Kaixian Ba, Yaliang Liu, Zhengguo Jin, Qixin Zhu, Zhengjie Gao, Guoliang Ma, Xiangdong Kong   +7 more
doaj   +1 more source

Impedance Learning-Based Hybrid Adaptive Control of Upper Limb Rehabilitation Robots

Actuators
This paper presents a hybrid adaptive control strategy for upper limb rehabilitation robots using impedance learning. The hybrid adaptation consists of a differential updating mechanism for the estimation of robotic modeling uncertainties and periodic ...
Zhenhua Jiang, Zekai Wang, Qipeng Lv, Jiantao Yang   +3 more
doaj   +1 more source

An Advanced Adaptive Control of Lower Limb Rehabilitation Robot

Frontiers in Robotics and AI, 2018
Rehabilitation robots play an important role in the rehabilitation field, and effective human-robot interaction contributes to promoting the development of the rehabilitation robots. Though many studies about the human-robot interaction have been carried
Yihao Du, Hao Wang, Shi Qiu, Wenxuan Yao, Ping Xie, Xiaoling Chen   +5 more
doaj   +1 more source

Data-Driven Variable Impedance Control of a Powered Knee-Ankle Prosthesis for Sit, Stand, and Walk with Minimal Tuning. [PDF]

Rep U S, 2022
Welker CG, Best TK, Gregg RD.
europepmc   +1 more source

Instrumentation for measuring aircraft noise and sonic boom [PDF]

, 1976
Improved instrumentation suitable for measuring aircraft noise and sonic booms is described. An electric current proportional to the sound pressure level at a condenser microphone is produced and transmitted over a cable and amplified by a zero drive ...
Zuckerwar, A. J.
core   +1 more source

Time-Response Functions of Mechanical Networks with Inerters and Causality

, 2017
This paper derives the causal time-response functions of three-parameter mechanical networks that have been reported in the literature and involve the inerter-a two-node element in which the force-output is proportional to the relative acceleration of ...
Makris, Nicos
core   +1 more source