MEMs

Creating Simulated LIDAR Images of Human Poses in a Virtual Laboratory

LIDAR is a partial 3D standoff sensing method that illuminates a target with rotatory or flash laser beams, analyzes the reflected lights, and provides both the distance to the target’s surface and the target’s surface shape. An array of laser reflections can be used to map the facing-side surface of a target object as a partial point cloud. Unlike a 360° surface model generated by a traditional full body scanner, the partial point cloud from a LIDAR is a viewing angle dependent 3D representation of the target shape. The resolution of these maps depends on the density of the laser detector array; a good image of a human may require hundreds of detection pixels to capture enough detail to clearly detect changes in limb positions.

Posted in: Briefs, Sensors, Cartography, Lidar, Security systems, Anatomy, Kinematics, Medical equipment and supplies
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Advanced Sensors for Traumatic Brain Injury (TBI)

The objective of this work was to use miniaturized, state-of-the-art pressure/temperature sensors engineered at Lawrence Livermore National Laboratory (LLNL) to measure the immediate increases in intracranial pressure (ICP) combined with longer-term measurements of biological ICP and intracranial temperature. The experience gathered from this work provided valuable data on sensor placement, long-term brain tissue responses to implanted sensors, and sensor capability of dual measurement of biologic ICP and impact pressure transients.

Posted in: Briefs, Sensors, Sensors and actuators, Medical equipment and supplies, Nervous system, Prostheses and implants, Head injuries
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Multifunctional Core-Shell and Nano-Channel Design for Nano-Sized Thermosensor

This work focused on developing novel nano-sized thermal sensors based on a multifunctional core/shell and nano-channel design that can be used to measure temperature and retaining thermal history of the biological agents experienced during the testing of agent-defeat weapons.

Posted in: Briefs, Sensors, Sensors and actuators, Thermal management, Nanotechnology, Military vehicles and equipment
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Molecularly Imprinted Polymer (MIP)-Coated Microbeam MEMS Sensor for Chemical Detection

Monitoring trace gases is of great importance in a wide range of applications. Detecting a diverse range of chemical agents requires an adaptable sensor platform capable of identifying threats before they cause harm. Research and development in hazardous-materials detection technology focuses on increasing speed, sensitivity, and selectivity while reducing size and cost. Although the current state-of-the-art vapor detector (Joint Chemical Agent Detector) is lightweight, handheld, and easily attaches to a belt, it still provides added bulk to a soldier on foot. Recently, microcantilever-based technology has emerged as a viable platform due to its many advantages such as small size, high sensitivity, and low cost. However, microcantilevers lack the inherent ability to selectively identify chemicals of interest. The key to overcoming this challenge is to functionalize the top surface of the microcantilever with a sorbent layer (i.e., polymer) that allows for selective binding between the microbeam and analyte(s) of interest.

Posted in: Briefs, Sensors, Sensors and actuators, Chemicals, Coatings Colorants and Finishes, Gases, Polymers, Hazardous materials
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Armed Forces Are Developing Laser Weapons

Responding to lawmakers' questions about how close the Army is to developing offensive and defensive directed-energy weapons, Mary J. Miller responded: "I believe we're very close." Miller, deputy assistant secretary of the Army for Research and Technology, testified before the House Armed Services Committee's Subcommittee on Emerging Threats and Capabilities recently regarding the Army's Science and Technology (S&T) Program for fiscal year 2017.

Posted in: News, Aerospace, Defense
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Electric Patch Holds Promise for Treating PTSD

An average of 30 years had passed since the traumatic events that had left them depressed, anxious, irritable, hypervigilant, unable to sleep well and prone to nightmares. But for 12 people who were involved in a UCLA-led study — survivors of rape, car accidents, domestic abuse and other traumas — an unobtrusive patch on the forehead provided considerable relief from post-traumatic stress disorder.

Posted in: News, Aerospace, Defense, Medical, Patient Monitoring
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Researchers Design Bat-Inspired Wings for Micro Air Vehicles

Researchers from the University of Southampton have designed innovative membrane wings inspired by bats, paving the way for a new breed of unmanned Micro Air Vehicles (MAVs) that have improved aerodynamic properties, can fly over long distances and are more economical to run.

Posted in: News, Aerospace, Defense
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Robotic Falcon Captures and Retrieves Renegade Drones

Michigan Technological University is developing a drone catcher that could pursue and capture rogue drones that might threaten military installations, air traffic, sporting events — even the White House. It’s a deceptively simple system: a launcher that shoots a big net attached to a large drone by a string. The system can be autonomous, controlled by a ground-based human pilot, or a combination of the two.

Posted in: News, Aerospace, Defense, Robotics
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Cockroach-Inspired Robots Open Doors for Military Missions

Supported by the U.S. Army Research Laboratory, University of California-Berkeley researchers have developed a small, crawling robot that mimics a cockroach's ability to squeeze through confined spaces. These spaces include rubble generated by natural disasters and explosions that first responders may not be able to access in emergencies.

Posted in: News, Aerospace, Defense, Robotics
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“Second Skin” Protects Soldiers from Chemical and Biological Agents

The U.S. Army Natick Soldier Research, Development and Engineering Center is working with the Massachusetts Institute of Technology, the University of California at Santa Barbara, the Air Force Civil Engineering Center, and the U.S. Army Edgewood Chemical Biological Center to develop second skin, the next generation of chemical-biological protection for the warfighter.

Posted in: News, Aerospace, Defense
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