Results 11 to 20 of about 5,635,783 (288)

Torsional Vibration Characteristics Analysis and Parameter Optimization of Parallel Hybrid Electric Vehicle Powertrain

open access: yesShock and Vibration
The diversity of vibration excitation sources and working modes in hybrid electric vehicles makes the problem of torsional vibration in the powertrain more prominent.
Zhiyong Wen   +5 more
doaj   +2 more sources

Torsional vibration analysis of automotive drivelines [PDF]

open access: yes, 1997
One of the most important source of noise and vibrations associated with vehicles is the vibration of driveline systems. Such phenomena are subjectively associated with customer complaints.
Rabeih, El-Adl Mohammed Aly
core   +7 more sources

Investigation of Axial–Torsional Vibration Characteristics and Vibration Mitigation Mechanism in Compound Percussive Drilling

open access: yesApplied Sciences
Severe drill string vibrations, particularly stick–slip, significantly compromise drilling efficiency and tool longevity in deep hard formations. Compound percussive drilling (CPD) has emerged as a promising technique to mitigate these vibrations and enhance the rate of penetration (ROP).
Wei Wang   +5 more
openaire   +2 more sources

Stability Analysis of Electromechanical Coupling Torsional Vibration for Wheel-Side Direct-Driven Transmission System under Transmission Clearance and Motor Excitation

open access: yesWorld Electric Vehicle Journal, 2022
The wheel-side direct-driven transmission system (WDTS) is a new intelligent transmission technology, which has significant advantages in high-efficiency and few malfunctions for the electric bus.
Jinyong Ju, Yufei Liu, Chunrui Zhang
doaj   +1 more source

An Internal Resonance Based Method for Reducing Torsional Vibration of a Gear System

open access: yesMachines, 2022
The gear system is one of the most widely-used transmission systems due to its accurate transmission ratio and high efficiency. However, torsional vibration may severely degrade transmission performance and shorten the gear lifespan.
Bohan Jin   +3 more
doaj   +1 more source

Study on a longitudinal–torsional ultrasonic vibration system with diagonal slits

open access: yesAdvances in Mechanical Engineering, 2017
The longitudinal–torsional ultrasonic vibration machining process is popular for machining hard and brittle materials. A longitudinal–torsional ultrasonic vibration system with diagonal slits was designed for the ultrasonic vibration machining process ...
Tao Chen   +3 more
doaj   +1 more source

A Torsional Vibration Measurement Method for Rotating Blades Based on Blade Tip Timing

open access: yesShock and Vibration, 2021
During the working process of the turbine, some types of faults can cause changes in the vibration characteristics of the blades. The real-time vibration monitoring of the blades is of great significance to the stable operation and state-based ...
Haonan Guo   +6 more
doaj   +1 more source

Flexural–torsional coupled vibration and buckling of thin-walled open section composite beams using shear-deformable beam theory [PDF]

open access: yes, 2009
A general analytical model based on shear-deformable beam theory has been developed to study the flexural–torsional coupled vibration and buckling of thin-walled open section composite beams with arbitrary lay-ups.
Lee, Jaehong, Vo, Thuc
core   +1 more source

Semi-active control of crankshaft skyhook based on magnetorheological torsional damper

open access: yesFrontiers in Materials, 2022
The purpose of this study was to solve the problem that the damping of rubber or silicone oil torsional dampers used in crankshafts is not adjustable and cannot effectively control torsional vibration at different resonant frequencies.
Wei He   +7 more
doaj   +1 more source

Interaction curves for vibration and buckling of thin-walled composite box beams under axial loads and end moments [PDF]

open access: yes, 2010
Interaction curves for vibration and buckling of thin-walled composite box beams with arbitrary lay-ups under constant axial loads and equal end moments are presented.
Lee, Jaehong, Vo, Thuc
core   +1 more source

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