Cogging torque reduction of segmented HEFSM using combined technique of notching and chamfering for performance improvement [PDF]
, 2019 Cogging torque is one of the factors which affect the motor in terms of vibration and non-audible noise that become serious issue in flux switching machines.
Asadullah, Asadullah
core
Cogging torque reduction of Bldc motor using level set based topology optimization incorporating with triangular finite element [PDF]
, 2010 Cogging torque in permanent-magnet brushless DC (BLDC) motor causes torque and speed ripples, as well as acoustic noise and vibration, especially in low speed and direct drive applications.
Guo, Y +4 more
core +1 more source
Planning and Control Framework for a Quadruped Robot With Changeable Configuration
Advanced Intelligent Systems, EarlyView.Multiconfiguration quadruped robots enhance adaptability by switching between mammal‐like and reptile‐like morphologies. This study presents a nonlinear constraint‐based motion planner integrated with a hierarchical whole‐body controller, enabling robust configuration switching and locomotion on complex terrains. Experiments on slopes, irregular bricks,
Guanglin Lu +5 more
wiley +1 more source
Cogging Torque Minimization Strategies in Interior Permanent Magnet Synchronous Motors
IEEE AccessCogging torque in interior permanent magnet synchronous motors (IPMSMs) is caused by variation in magnetic reluctance between permanent magnets and stator slot openings.
Milad Bahrami-Fard +6 more
doaj +1 more source
Advanced Intelligent Systems, EarlyView.This review systematically analyzes deformable drones, including extendable, foldable, and tilting configurations, along with nature‐inspired flapping rotorcraft. By classifying deformation principles and structural mechanisms, design trade‐offs, functional capabilities, and future development potential are highlighted.
Ju‐Hee Lee +9 more
wiley +1 more source
Experimental study on cogging-torque reduction of transverse-flux motor with skewed armature cores
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2017 Transverse-flux motors are suitable for getting high torque density by increasing their number of poles owing to the independent coil design from the number of poles.
Yasuhito UEDA +3 more
doaj +1 more source
A Study on Core Skew Considering Manufacturability of Double-Layer Spoke-Type PMSM
Energies, 2021 The spoke-type permanent magnet synchronous motor (PMSM), which is a general ferrite magnetic flux-concentrated motor, has a low portion of reluctance torque at the total torque magnitude. Therefore, as a way to increase the reluctance torque, there is a
Dong-Woo Nam +6 more
doaj +1 more source
Reducing the cogging torque effects in hybrid stepper machines by means of resonant controllers [PDF]
, 2018 Permanent magnet machines are not free from the interaction between magnets and the stator and rotor slots, which causes an undesired disturbing torque.
Arias Pujol, Antoni +3 more
core +2 more sources
Photo-degradation of renewable biopolymer blended with thermoplastic high density polyethylene (HDPE) [PDF]
, 2022 High Density Polyethylene (HDPE) is one type of thermoplastic with varies applications but non-biodegradable material while biopolymer (BP) is environmentally friendly and degradable materials.
Sulong, Nurulsaidatulsyida
core +1 more source
New Cogging Torque Reduction Methods for Permanent Magnet Machine
IOP Conference Series: Materials Science and Engineering, 2017 Permanent magnet type motors (PMs) especially permanent magnet synchronous motor (PMSM) are expanding its limbs in industrial application system and widely used in various applications. The key features of this machine include high power and torque density, extending speed range, high efficiency, better dynamic performance and good flux-weakening ...
F. S. Bahrim +3 more
openaire +1 more source