Noise, Vibration, and Harshness (NVH)

Vibration

Stories

176
2205
0
0
30
Briefs: Energy
The Korea Research Institute of Standards and Science has developed a metamaterial that traps and amplifies micro-vibrations in small areas. This innovation is expected to increase the power output of energy harvesting, which converts wasted vibration energy into electricity, and accelerate its commercialization. Read on to learn more.
Feature Image
Briefs: Mechanical & Fluid Systems
The innovation can provide a wide range of damping forces, a linear damping function and/or an extended dynamic range of attenuation, providing broad flexibility in configuration size and functional applicability.
Feature Image
Application Briefs: Test & Measurement
Thorough vehicle dynamics tests provide the data that will inform the final setup of the chassis and the characteristics of the control systems.
Feature Image
Briefs: Mechanical & Fluid Systems
A novel turbine blade design and manufacturing approach developed by NASA provides a significant reduction in turbine blade resonant vibration.
Feature Image
Application Briefs: Test & Measurement
How CSEM and its partners are using magnetic levitation to counter unwanted vibrations from components aboard satellites.
Feature Image
Briefs: Wearables
These textiles could help performers and athletes train their breathing and potentially help patients recovering from post-surgery breathing changes.
Feature Image
Application Briefs: Sensors/Data Acquisition
Eddy current displacement sensors can make measurements in harsh Industrial environments, even where pressure, dirt, or temperature fluctuations occur.
Feature Image
Briefs: Sensors/Data Acquisition
Vibration-absorbing resonators could better soundproof walls and make vehicles more streamlined.
Feature Image
Briefs: Propulsion
Applications include wind turbines, solar arrays, commercial space mobile launchers, and industrial process stacks and equipment.
Feature Image
Briefs: Aerospace
Early flutter detection will help in the development of safer and more eco-friendly aircraft turbines.
Feature Image
Briefs: Materials
The new material could provide efficient and reusable protection from shock, vibration, and explosion.
Feature Image
Briefs: Mechanical & Fluid Systems
The soft, wearable device simulates the sense of touch and has wide potential in medical and industrial applications.
Feature Image
Briefs: Motion Control
This technology cancels out the vibrations of a satellite by vibrating the solar panels in the opposite direction.
Feature Image
Briefs: Electronics & Computers
Applications include powering portable electronic devices and sensors, and harvesting waste mechanical energy for aircraft, automobile, and other transportation equipment.
Feature Image
Articles: Manufacturing & Prototyping
Increase battery life and reduce data loads with an analog-first processing architecture.
Feature Image
Briefs: Aerospace
This framework can be used by commercial and military aircraft and unmanned aerial vehicles.
Feature Image
NASA Spinoff: Semiconductors & ICs
Isolators used to control semiconductor manufacturing keep the James Webb Space Telescope steady.
Feature Image
Briefs: Materials
This technology has applications in sonar, range measuring, directional-force sensors, flow meters, and vibration/noise sensing and control.
Feature Image
Briefs: Imaging
Understanding how cars, planes, bridges, and other structures handle vibrations and dynamic loads can be critical to their design and performance. Researchers have developed a new way to measure...
Feature Image
Briefs: Mechanical & Fluid Systems
Fluid-Filled Frequency-Tunable Mass Damper
Innovators at Marshall Space Flight Center developed the fluid-filled Frequency-Tunable Mass Damper (FTMD) technology that allows for significant distribution of loads while also providing a simple mechanism that allows for the capability to change its frequency of mitigation with negligible impact on the...
Briefs: Communications
Emergency situations such as trying to escape heavy smoke from fire could leave the sense of touch as the only way to find an exit. Rather than trying to look at a smartphone screen, a...
Feature Image
Articles: Mechanical & Fluid Systems
Different types of motion encountered in dynamic environments require designers to specify connectors for boards, wiring, and devices that can meet significant g-forces,...
Feature Image
Briefs: Semiconductors & ICs
The challenge of miniaturizing devices and systems is also achieving a broader dynamic range of detection for small signals such as sound, vibration, and radio waves.
Feature Image
Articles: Mechanical & Fluid Systems
As the need for nano precision has become increasingly important in many fields of research and manufacturing — such as microelectronics fabrication,...
Feature Image
Briefs: Sensors/Data Acquisition
The market for smart security access systems is expected to grow rapidly, reaching nearly $10 billion by 2022. Today's smart security access systems mainly rely on traditional techniques...
Feature Image
Briefs: Automotive
NASA is preparing for the next generation of CubeSats that are propelled and will make directional maneuvers. The new gimbal mount provides a seat for the motor, and controls the position of the thrusters...
Feature Image
Briefs: Aerospace
NASA Langley Research Center has developed a point sensor and piezoelectric actuator system to actively sense and reduce vibrations in flexible structures. The system uses a directional piezoelectric...
Feature Image
Briefs: Robotics, Automation & Control
To date, it has been difficult or impossible for most robotic and prosthetic hands to accurately sense the vibrations and shear forces that occur, for example, when a finger is sliding along a tabletop, or...
Feature Image
Briefs: Communications
A paper-thin, flexible device was created that can generate energy from human motion, and can act as a loudspeaker and microphone. The transducer is ultrathin, flexible, scalable, and...
Feature Image

Videos