MEMs

Automated Testing of Advanced, High-Performance, Point-to-Multipoint Radio Systems

In 2008, 4RF Communications started development of a new range of radio products to augment their existing point-to-point, long-range wireless link product. Used by oil, gas, and utility companies for monitoring and control applications, the Aprisa SR is a point-to-multipoint Smart Supervisory Control and Data Acquisition (SCADA) radio operating in the 400 to 470-MHz licensed spectrum band with a 12.5-kHz channel size and narrowband 9.6-kbps capacity. The Aprisa SR is designed to address the key concerns facing the industry, such as the need for enhanced security, the need to efficiently handle the increasing complexity of SCADA networks, and the evolution to an IP-based and smart grid infrastructure.

Posted in: Articles, Aerospace, Defense, Radio equipment, Data acquisition
Read More >>

Pictorial Representation Tool for First-Aid Training

Charles River Analytics
Cambridge, MA
617-491-3474
www.cra.com

Reducing combat fatalities demands quick and effective emergency care on the battlefield, and all soldiers are expected to provide immediate, basic care to themselves or their comrades. Critical first-aid procedures are described in the Soldier's Manual of Common Tasks, but recalling the procedures in stressful, life-threatening battlefield environments is challenging. In addition, each first-aid skill is composed of numerous, interrelated subtasks and processes. Successful accomplishment of the subtasks and processes depends heavily on an individual soldier's basic aptitude, underlying skills, and understanding of the task flow involved.

Posted in: Application Briefs, Aerospace, Defense, Imaging, Medical, health, and wellness, Education, Emergency management
Read More >>

Tactical Fighting System Simulator

Environmental Tectonics Corporation
Southampton, PA
215-355-9100
www.etcusa.com

Most fighter aircraft simulators are fixed-base, with no motion or sustained G-capability. Even those with six degree of freedom (6-DOF) motion bases provide only motion cues and cannot replicate an authentic, sustained high-G environment. While providing useful training for cognitive tasks, and providing some workload and environmental stressors, the devices cannot present the complete spectrum of physical stresses inherent in actual flight operations. Thus, current simulator training cannot effectively reproduce live-aircraft training events such as Basic Fighter Maneuvers (BFM), Air-to-Ground Weapons Delivery, Close Air Support (CAS), Offensive/Defensive Counter Air (OCA & DCA), Carrier Qualification (CQ) Operations, Field Carrier Landing Practice (FCLP), and air refueling.

Posted in: Application Briefs, Aerospace, Defense, Computer simulation, Education, Military aircraft, Military vehicles and equipment
Read More >>

Ultra-Light Prototype Vehicle

U.S. Army Tank Automotive Research, Development and Engineering Center (TARDEC)
Warren, MI
586-215-8763
tardec.army.mil

At the U.S. Army Tank Automotive Research, Development and Engineering Center (TARDEC), final testing is beginning on the Ultra Light Vehicle (ULV) Research Prototype platform.

Posted in: Application Briefs, Aerospace, Defense, Concept vehicles, Lightweighting, Military vehicles and equipment
Read More >>

Electro-Optical Boresight Weapon System

Senso Optics
Yokneam, Israel
+972-4-993-5527
www.senso-optics.com

The combat effectiveness of a weapon system depends substantially on its hit probability. The most accurate aiming occurs when an optical device is aligned to the weapon’s bore centerline.

Posted in: Application Briefs, Aerospace, Defense, Electronic equipment, Optics, Military vehicles and equipment
Read More >>

Power Management for the Electric Taxiing System Incorporating the More Electric Architecture

With airlines increasingly directing their attention to operating costs and environmental initiatives, the More Electric Architecture for Aircraft and Propulsion (MEAAP) is emerging as a viable solution for improved performance and ecofriendly aircraft operations. An electric taxiing system was developed that does not require the use of jet engines or the auxiliary power unit (APU) during taxiing, either from the departure gate to takeoff, or from landing to the arrival gate.

Posted in: Briefs, Aerospace, Defense, Electronics & Computers, Architecture, Power electronics, Electric drives
Read More >>

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 micro air vehicles (MAVs) operate near flutter, providing both harvesting opportunities and vibration suppression requirements. The possibility that the ambient energy might be harnessed and recycled to provide energy to mitigate the vibrations through various control laws was investigated. The goal was to integrate harvesting, storage, control, and computation into one multifunctional structure.

Posted in: Briefs, Physical Sciences, Vibration, Unmanned aerial vehicles
Read More >>

Cascading Failures in Coupled Distributed Power Grids and Communication Networks

Emerging distributed power grid systems will integrate tightly coupled networks, namely a power grid and a communication network, to provide distributed power monitoring and control. While distributing power monitoring and control away from a central site enhances the robustness of the power grid to multiple, dispersed failures and attacks, such communication-based distributed control schemes can introduce complex cascading failure scenarios in the face of large-scale weapons of mass destruction (WMD) attacks.

Posted in: Briefs, Physical Sciences, Telecommunications, Electric power grid, Hazards and emergency management
Read More >>

Implementing Interconnected Generation in Future Civil Aircraft

In addition to providing thrust, the engines on conventional civil jet airliners generate power for onboard systems and ancillary loads in the form of pneumatic, hydraulic, and electrical power. There is a move to begin replacing mechanically, hydraulically, and pneumatically powered aircraft systems with electrical equivalents, towards the ultimate goal of achieving the All-Electric Aircraft (AEA).

Posted in: Briefs, Electronics & Computers, Electrical systems, Business and general aviation aircraft
Read More >>

Automated drilling machine takes the burr out of fuselage joint

More than 1200 large-diameter (up to ¾-in) holes must be drilled into titanium/ carbon stacks for the side-of-body joint on a particular Boeing commercial aircraft fuselage. This is the joint between the upper shell (section 44) of the center fuselage and the lower corresponding section (section 45), which includes the wingbox and the landing gear well.

Posted in: Technology Update, Aerospace, Defense, Fuselages, Automation, Drilling
Read More >>