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A 2R1T Redundantly Actuated Parallel Manipulator With an Offset Moving Platform and Fixed Linear Actuators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Redundantly actuated parallel manipulators with two rotations and one translation (2R1T RAPMs) have the potential for machining complex surfaces, where a large orientation workspace and high stiffness are required. Considering ...
Variational Integrators on Manifolds for Constrained Mechanical Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Variational integrators play a pivotal role in the simulation and control of constrained mechanical systems. Current Lagrange multiplier-free variational integrators for such systems are concise but inevitably face issues ...
Differential Quadrature Method for Stability and Sensitivity Analysis of Neutral Delay Differential Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work develops a computationally efficient stability analysis method for the neutral delay differential systems. This method can be also conveniently applied for the optimal parameter tuning of related control systems. ...
An Efficient Approach of Time-Optimal Trajectory Generation for the Fully Autonomous Navigation of the Quadrotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, a time-optimal trajectory generation approach is developed for the multiple way-point navigation of the quadrotor based on the nonuniform rational B-spline (NURBS) curve and linear programming. To facilitate ...
Optimal Proportional–Integral–Derivative Control of Time Delay Systems Using the Differential Quadrature Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an accurate and computationally efficient timedomain design method for the proportional–integral–derivative (PID) control of firstorder and secondorder plants in the presence of discrete time delays. ...
An Efficient Approach for Stability Analysis and Parameter Tuning in Delayed Feedback Control of a Flying Robot Carrying a Suspended Load
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an accurate and computationally efficient time-domain design method for the stability region determination and optimal parameter tuning of delayed feedback control of a flying robot carrying a suspended ...
Beat Effect in Machining Chatter: Analysis and Detection
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In machining processes, regenerative chatter is an unstable vibration which adversely affects surface finish, cutting tools, and spindle bearings. Under some cutting conditions, the beat effect, an interference pattern ...