Noise, Vibration, and Harshness (NVH)
Vibration

Latest Stories

Technology Report
Manufacturing & Prototyping

Turning the Vehicle into a Giant Microphone

When an emergency vehicle is approaching but its blaring siren isn’t heard by nearby motorists, all are put at risk. Engineers at Harman International have developed novel sensor technology...

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Articles
Energy

Vibration Testing NASA’s X-57 Maxwell Electric Aircraft

In place of the usual gasoline-powered motors, the X-57 has two all-electric motors powered by traction batteries.

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Technology Report
Software

Electrification Forces Fresh Perspectives on Vehicle NVH

The quietness of EVs is, for many, a compelling selling point. But vehicles becoming inherently quieter overall hasn’t translated into making the job of noise abatement any...

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Articles
RF & Microwave Electronics

RF Technology Helps Connect Avionics Systems

A modular connector system provides smaller, lighter interconnections for denser, more tightly packed avionics systems.

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Articles
Data Acquisition

Ruggedization of Electronics for Deployed Military Environments

Commercial-grade electronics will simply not survive in the extremes of military environments.

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News
Test & Measurement

Modern Approaches to Electric Vehicle Noise and Vibration

Often what comes to mind when discussing electric vehicles are range, charging infrastructure, fast charging, battery costs, etc. Often overlooked are the electric vehicle’s noice...

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News
Materials

Metamaterials R&D Targets NVH Abatement

Acoustics engineers have a broad variety of materials from which to choose for reducing noise, vibration and harshness (NVH) in vehicles. But their selection often comes with a measurable...

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Articles
Aerospace

Designing Battery Packs for Harsh Environment Mission-Critical Devices

Learn about design considerations for manufacturing a battery pack that operates in extreme temperatures, absorbs shock and vibration, and maintains a watertight seal.

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Articles
Materials

Tips for Reducing Error When Using Eddy Current Measuring Techniques

Inductive eddy current technology is an extremely versatile non-contact method for measuring an object's position, distance, or vibration.

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Technology Report
Nanotechnology

2020 Explorer Will Be First Product to Emerge – More Quietly – from Ford’s Newest NVH Lab.

The 2020 Explorer will be the first Ford product engineered via the automakers new driving dynamics laboratory, which provides multiple...

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News
Manned Systems

NASA Partners with ONERA on Low-Boom Supersonic Flight

Last week, NASA and France’s Office National d'Etudes et de Recherches Aerospatiales (ONERA) signed a research agreement to collaborate on mitigating sonic boom noise produced by...

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News
Manned Systems

ONERA and DLR Shake up the Airbus BelugaXL Cargo Aircraft

The first five Airbus BelugaXL aircraft are slated to enter service in 2019. But, to reach that milestone, an exhaustive schedule of test and certification work must be...

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News
Manned Systems

X Marks the Spot

LiquidPiston Inc., an advanced internal combustion engine (ICE) technology company, has reimagined combustion engines with a new platform that can run on multiple fuels, including diesel, jet fuel, and gasoline. This...

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Application Briefs
Manned Systems

Hull Vibration Monitoring System

Brüel & Kjær
Nærum, Denmark
+45 7741 2000
For more info click here

BAE Systems has awarded Brüel & Kjær a Design Development Agreement to deliver a Hull Vibration Monitoring...

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Application Briefs
Defense

Helicopter Vibration Control System

LORD Corporation
Cary, NC
877 ASK LORD (275 5673)
www.lord.com

LORD Corporation recently announced product qualification for their Improved Vibration Control System (IVCS) for the Boeing H-47 Chinook helicopter. Under contract with Boeing since Sept. 2013, LORD has now completed all program...

Briefs
Aerospace

Simultaneous Vibration Suppression and Energy Harvesting for a Multifunctional UAV Spar

The goal of this work was to investigate using harvested energy to directly control the vibration response of flexible aerospace systems. Small,...

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Briefs
Robotics, Automation & Control

Compact Active Vibration Control System

This innovation consists of an analog controller, diamond-shaped patch actuator, and point sensors (such as accelerometers). The actuator is designed to couple to the flexural response of the structure in the same manner as a group of point sensors. This results in a co-located transducer pair. The signals...

Briefs
Physical Sciences

Simultaneous Vibration Suppression and Energy Harvesting

The goal of this work was to investigate the concept of using harvested energy to directly control the vibration response of flexible aerospace systems. Small, lightweight, flexible...

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Briefs
Physical Sciences

Bi-Axial Vibration Energy Harvesting

For air platforms, the installation of Structural Health Monitoring (SHM) systems is complicated by the fact that the majority of SHM devices need to be fitted on internal aircraft structure, underneath...

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Briefs
Materials

Nonlinear Acoustic Metamaterials for Sound Attenuation Applications

An acoustic crystal composed of tightly packed spherical particles can exhibit a wide spectrum of acoustic properties with responses varying from linear to highly nonlinear...

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Briefs
Physical Sciences

Diode Laser Sensor for Scramjet Inlets

The supersonic combustion ramjet (scramjet) engine is one of the more promising high-speed flight propulsion technologies. One of the reasons for this is the simplicity of the engine design, having no...

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Briefs
Physical Sciences

Acceleration Strain Transducer Containing Cantilever Flaps

A recently invented acceleration strain transducer is based on the principle of a conventional spring-and-mass acceleration transducer combined with a linear strain sensor that...

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Briefs
Photonics/Optics

Laser-Based System for Measuring and Analyzing Vibrations

A system for noncontact measurement and analysis of vibrations of an electronic circuit board or a similar lightweight, nominally flat, rectangular object has been developed. This...

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Briefs
RF & Microwave Electronics

Arcing and Vibration Tests of High-Power Patch Antennas

Electric-breakdown and vibration tests were performed on one-patch and two-patch versions of a prototype of a patch antenna designed to radiate a continuous- wave or pulsed signal in...

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Briefs
Mechanical & Fluid Systems

Hybrid Three-Axis Vibration Reducers

Hybrid (passive/active) devices have been developed to reduce the magnitudes of possibly threedimensional vibrations coupled from vibrating equipment on platforms to bases that support the platforms....

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