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Separation of Comprehensive Geometrical Errors of a 3-DoF Parallel Manipulator Based on Jacobian Matrix and its Sensitivity Analysis with Monte-Carlo Method
parallel kinematic machines (PKMs) limited-degree-of-freedom (limited-DoF) error separation
2011/8/4
Parallel kinematic machines (PKMs) have the advantages of a compact structure, high stiffness, a low moving inertia, and a high load/weight ratio. PKMs have been intensively studied since the 1980s, a...
Dynamic Feedforward Control of a Novel 3-PSP 3-DOF Parallel Manipulator
parallel manipulator dynamic feedforward control
2011/8/4
Parallel manipulators with less than six degrees of freedom (DOF) have been increasingly used in high-speed hybrid machine tools. The structural features of parallel manipulators are dynamic, a charac...
Kinematic Calibration and Forecast Error Compensation of a 2-DOF Planar Parallel Manipulator
parallel manipulator kinematic calibration error compensation minimal linear combinations (MLCs)
2011/8/4
This paper presents a method combined step kinematic calibration and linear forecast real-time error compensation in order to enhance the precision of a two degree-of-freedom (DOF) planar parallel man...
Dynamic Feedforward Control of a Novel 3-PSP 3-DOF Parallel Manipulator
parallel manipulator dynamic feedforward control high-speed hybrid machine tool
2011/8/4
Parallel manipulators with less than six degrees of freedom (DOF) have been increasingly used in high-speed hybrid machine tools. The structural features of parallel manipulators are dynamic, a charac...
Separation of Comprehensive Geometrical Errors of a 3-DoF Parallel Manipulator Based on Jacobian Matrix and its Sensitivity Analysis with Monte-Carlo Method
parallel kinematic machines (PKMs) limited-degree-of-freedom (limited-DoF)
2011/8/4
Parallel kinematic machines (PKMs) have the advantages of a compact structure, high stiffness, a low moving inertia, and a high load/weight ratio. PKMs have been intensively studied since the 1980s, a...
Optimal Task Placement of a Serial Robot Manipulator for Manipulability and Mechanical Power Optimization
Optimal Task Placement Optimal Robot Path Planning Multicriteria Optimization
2013/1/29
Power consumption and accuracy are main aspects to be taken into account in the movement executed by high performance robots. The first aspect is important from the economical point of view, while the...
Optimal Forward Kinematics Modeling of Stewart Manipulator Using Genetic Algorithms
Stewart Forward Kinematics Predicted Squared Error Genetic Algorithm
2010/1/15
In this paper, a new technique for modeling the forward kinematics of a Stewart manipulator is presented based on a predicted squared error cost function. Initially, the inverse kinematics model was i...
A Comparison of Different Control Laws in Trajectory Control for a Revolute-Jointed Manipulator
Adaptive control Robust control Sliding mode control Parameter uncertainty Tracking error
2009/10/12
This study presents a comparison of di erent control laws for the trajectory control of a revolute-jointed manipulator. For this purpose, adaptive, robust and sliding mode control algorithms are appli...
Comparative Study of Some New Hybrid Fuzzy Algorithms for Manipulator Control
Hybrid Fuzzy Algorithms Manipulator Control
2009/9/7
The robot manipulator is a highly complex system, which is multi-input, multi-output, nonlinear, and time variant. Controlling such a system is a tedious and challenging task. In this paper, some new ...
In-vivo Evaluation of a Laparoscope Manipulator Using Hydraulic Actuators
Laparoscope Manipulator Disposable Robot Compact Robot Parallel Mechanism In-vivo
2009/6/2
This paper describes the development of a novel laparoscope manipulator using the medical hydraulic linear actuators. The manipulator is composed of a Stewart-Gough platform with six degrees of freedo...
FLEXIBLE JOINTS ROBOTIC MANIPULATOR CONTROL BY ADAPTIVE GAIN SMOOTH SLIDING OBSERVER-CONTROLLER
sliding adaptive observer-controller nonlinear systems flexible joint robots
2010/1/12
An adaptive gain sliding observer for uncertain parameter nonlinear systems
together with an adaptive gain sliding controller is proposed in this paper. It considered
nonlinear, SISO affine systems,...