Renfeng Zhu
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View article: Quasi-Coordinates-Based Closed-Form Dynamic Modeling and Analysis for a 2R1T PKM with a Rigid–Flexible Structure
Quasi-Coordinates-Based Closed-Form Dynamic Modeling and Analysis for a 2R1T PKM with a Rigid–Flexible Structure Open
This work derives a closed-form dynamic model for a two rotational and one translational degrees-of-freedom (2R1T) parallel kinematic mechanism (PKM) with a hybrid rigid–flexible structure for force-control applications. Based on the three…
View article: A Review on Disturbance Analysis and Suppression for Permanent Magnet Linear Synchronous Motor
A Review on Disturbance Analysis and Suppression for Permanent Magnet Linear Synchronous Motor Open
In high-end testing and manufacturing equipment, a trend exists whereby the traditional servo feed system with a ball screw and rotary motor will gradually be replaced by a direct drive system. The precision motion system driven by a perma…
View article: Suppress Vibration on Robotic Polishing with Impedance Matching
Suppress Vibration on Robotic Polishing with Impedance Matching Open
Installing force-controlled end-effectors on the end of industrial robots has become the mainstream method for robot force control. Additionally, during the polishing process, contact force stability has an important impact on polishing qu…
View article: Kinematic Design of a 2R1T Robotic End-Effector With Flexure Joints
Kinematic Design of a 2R1T Robotic End-Effector With Flexure Joints Open
This paper focuses on the kinematic design issues for a three degrees-of-freedom (DOFs), i.e., two-rotational and one-translational (2R1T) end-effector to perform continuous contact operations, such as deburring, grinding, and polishing. T…
View article: A Review of the Design and Control of Free-Piston Linear Generator
A Review of the Design and Control of Free-Piston Linear Generator Open
The Free-piston linear generator (FPLG) is a novel energy converter which can generate electrical energy and is regarded as a potential technology for solving the restriction of the short driving range of electric vehicles. Getting rid of …