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How Thunderbolt 4 Helps Bring Fault-Tolerant, Distributed Systems to Market Delivering Operational Energy to Enhance Warfighter Capability Optoelectronic Analog Signal Transmission Takes Center Stage Amidst Aerospace and Defense Innovation Shaking Outside the Box to Advance Flight Research An Introduction to Quantum Computing How Laser Communications Innovation is Finally Coming of Age and Driving Innovation in Defense Spatial Calibration for Accurate Long Distance Measurement Using Infrared Cameras A new spatial calibration procedure has been introduced for infrared optical systems developed for cases where camera systems are required to be focused at distances beyond 100 meters. Towards Greater Sensitivity: A Brief FTIR and Infrared-Based Cavity Ring Down Spectroscopy Comparative Study A presentation of work comparing efficacy of a traditional IR method used as a standard within the U.S.

How Electrification and Autonomy Can Unlock the Potential of Unmanned Ground Vehicles VITA 90: Small Form Factors for UAVs and Other Space Constrained Platforms 3D Scanning Provides Key Weapon for Aerospace and Defense Manufacturing New Approach to Viscosity Enables Complex Motions in Soft Robots Ghoul Tool: The Weapon-Mountable Counter UAS Transmitter Autonomous Surveillance Technologies Relating to Dismounted Soldiers The development of the autonomous applications for dismounted Soldier systems is paramount to defeating our adversaries, such as China and Russia, in future combat. A comprehensive literature re-view is necessary to assist in defining the best path forward. Robust MADER: Decentralized Multiagent Drone Trajectory Planner Communication delays can be catastrophic for multiagent systems. However, most existing state-of-the-art multiagent trajectory planners assume perfect communication and therefore lack a strategy to rectify this issue in real-world environments.

Finding solutions for Sustainable Mobility SAE created its SMS team to help industry rethink itself as part of the new industrial revolution and the EV transition within it. Debarbonizing the EV battery supply chain Altering manufacturing processes and using a much higher percentage of low emission energy can help the battery industry get greener rapidly, according to a new McKinsey & Co. report. Europe's dust buster The pending Euro 7 vehicle-emissions regulations include a significant new sustainability wrinkle: first-ever restrictions for PM emissions from brakes. E-fueling for the future The development of carbon-neutral e-fuels enjoyed a major boost from European regulators, but production cost and scale remain issues. Fuels to transition the global legacy fleet The EV bandwagon has obscured potential solutions for decarbon-izing the enormous global ICE legacy fleet.

Virtual powertrain development Simulation is critical for efficient product development, but proper tool selection and efficient data management are keys to success. Blue Arc amps up for EV production Shyft Group's EV subsidiary is lighting the path for the electrification of last-mile delivery vehicles as well as mobile charging solutions. Increasing connectivity in construction Jobsites look to overcome challenges posed by mixed fleets and proprietary telematics to achieve "one-dashboard" vision and increased machine utilization.

Time for hydrogen No longer '20 years in the future,' hydrogen and fuel cells are a vital, high-growth solution for carbon reduction across the transportation and other industry sectors. Quicker pathways to reduce transportation's climate impact Reducing U.S. vehicle emissions will require policies that support a variety of alternatives to fossil-fuel-burning, non-hybrid vehicles. 'Perfect' should not be the enemy of 'good.' BMW reapproaches hydrogen Top engineers in Munich talk about the vital role of H2 fuel cells in the climate crusade as iX5 pilot-fleet production begins.

Why are Aerospace & Defense Companies Embracing Additive Manufacturing? Simplifying Power Design with Modular Architectures The Role of DevSecOps in Modern Edge Systems Making Machines Curious Designing Multi-Channel Microwave Radio Systems Using Optical Interconnects Solving Military Satellite, Radar and 5G Communications Challenges with GaN-on-SiC MMIC Power Amplifiers Advanced Airborne Defensive Laser for Incorporation on Strike Fighter Aircraft A technical and operational analysis of an airborne "hard-kill" Ytterbium fiber laser-based anti-missile system for use on strike fighters. Additive Manufacturing Utilizing a Novel In-Line Mixing System for Design of Functionally Graded Ceramic Composites Exploring the development of a direct ink writing system with multimaterial and in-line mixing capabilities for printing inks composed of high solids-loaded ceramic particulate suspensions.

Deere advances in-field autonomy While stereo cameras and computer vision guide Deere's "limited- release" 8R autonomous tractor, Bear Flag's lidar tech will augment future machines. Positioning to centimeter-level improves agriculture Precision-navigation approaches that emphasize backward compatibility help farms reap more value from autonomous operations. Funding, mandates fuel commercial-vehicle electrification Legislators provide the impetus to electrify trucks and buses, leading to several engineering challenges.

The ONE for battery innovation Michigan-based battery upstart Our Next Energy is tackling energy density, cost and safety with new approaches to architecture and cell chemistries. Motor moves With EVs on the path to high-volume market penetration, automaker and supplier drive-motor production strategies come into focus. Expanding ADAS roles for radar and cameras Evolving into lidar alternatives, the bread-and-butter sensors of ADAS are seeing potential far beyond commodity status.

What system Designers Should Know About MOSA Standards Microtube Technology A Catalyst for Next-Gen Aerospace Thermal Control Space Industry Test Challenges Advancing Metrology at Mach Speed Drone Mounted Inspection Breaks Barriers for F-35 RF Technology Helps Connect Avionics Systems Using Open-Cavity Plastic Packages in Avionics Applications Electronic Prognostics - A Case Study Using Global Positioning System (GPS) Prognostic health management (PHM) of electronic systems presents challenges traditionally viewed as either insurmountable or not worth the cost of pursuit, but recent changes in weapons platform acquisition and support requirements has spurred renewed interest in electronics PHM, revealing possible applications, accessible data sources, and previously unexplored predictive techniques.

Editorial Safety, standards crucial to AVs' advance The Navigator Imaging radar is the next big thing Cabins Reimagined Automated driving technologies, electrification, and shifting customer priorities are inspiring the transformation of vehicle cockpit design and materials. Prepping Cities for Vehicle Autonomy Deployment of new V2I technology and upgrades to existing roadway infrastructure can assist AVs and improve safety for all road users. Keeping Pace with In-Vehicle Data Speed Higher speed and bandwidth for in-vehicle networks, switches, and connections that carry data demand new development and testing solutions. Experts from Keysight Technologies explain. Honda Puts AVs to Work With the second generation of its Autonomous Work Vehicle, Honda advances the concept of automated vehicles as jobsite helpers.

Accelerating truck autonomy Platform-agnostic interfaces, field data analytics and smart diagnostics will help the commercial-vehicle industry reach SAE Level 4 and 5 operations sooner. Upswing in outsourced EV testing As testing for electric commercial-vehicle propulsion systems surges, Drive System Design is rushing to expand its testing capabilities in the U.S. to keep up with the demand. Global emissions regs demand differing engine strategies The best choice in emissions-reducing technology varies for the U.S. versus Europe and elsewhere, a Jacobs expert details. Precision ag aids sustainability Deere expert Deanna Kovar, a 2021 SAE COMVEC keynoter, provides her thoughts on the future of autonomy, computer vision and machine learning, data management and more.

Making the case for in-wheel motors IWMs can improve EV efficiency, dynamics, safety, and manufacturability - when unsprung mass is addressed in their design. 3D printing scales-up Constant innovation in machine design, compatible materials and design software is leading additive manufacturing from the prototype shop to the production floor. Boosting patents during the pandemic Nissan's North American researchers set a company record for their patent output during the first year of the pandemic. Two teams revealed how they kept the IP on track.

Designing Battery Packs for Harsh Environment Mission-Critical Devices High-Energy Laser Weapon Systems Advanced Assembly Solutions for the Airbus RACER Joined-Wing Configuration Digital Twins How The Digital Replica Concept Is Used By Robotic Systems Practical 3D Printing of Antennas and RF Electronics Photonic Microwave Generation Using On-Chip Optical Frequency Combs DDDAMS-based Urban Surveillance and Crowd Control via UAVs and UGVs Investigating algorithmic approaches to create scalable, robust, multi-scale, and effective urban surveillance and crowd control strategies using UAVs and UGVs. Covariance and Uncertainty Realism in Space Surveillance and Tracking Characterizing uncertainty in estimating the state of a resident space object is one of the fundamentals of many space surveillance tasks.

Heavy-duty engine design What are the most significant factors influencing the way engine developers approach near-term design and development cycles? Two experts provide their insights from recent programs. Reducing winter range loss for electric trucks Researchers at the Austrian Institute of Technology have developed an air exchange system that's capable of reducing heat load by 37% in real-world tests. Narrower focus, bigger payoff Design teams are targeting focused markets for their commercial electric-vehicle programs to combat challenges like range and infrastructure. Removing complexity for autonomous trucks Narrowing the operating domains for driverless commercial vehicles reduces the requirements of autonomous technology and speeds time to market. Plastics innovations 2019 The 49th annual SPE Automotive Awards highlight the ongoing benefits of lightweight polymers and composites.

Engineered Solutions for Enclosure Sealing and Insulation Tips for Reducing Error When Using Eddy Current Measuring Techniques Reducing the High Cost of Titanium Streamlining Post-Processing in Additive Manufacturing Software-Defined Analog Filters: A Paradigm Shift in Radio Filter Performance and Capability SDR Interface for the NeXtRAD Multistatic Radar System Electrodeposition of Metal Matrix Composites and Materials Characterization for Thin-Film Solar Cells Metal matrix composites, which consist of silver-multiwalled carbon nanotube-silver, layer-by-layer stacks, can electrically bridge the cracks (>40 μm) that appear in semiconductor substrates and the composite grid lines. Sensing Applied Load and Damage Effects in Composites with Nondestructive Techniques Comparing and correlating piezoelectrically induced guided waves, acoustic emission, thermography, and X-ray imaging to determine the effects of applied load on a composite structure.

On the verge of the Digital Age Increasingly connected electrohydraulic systems and machine controls allow the high degree of controllability that's essential for automated operations. Miserly power systems Engineers push engine, transmission technologies to turn off fuel usage. All options on the table Powertrain developers who spoke at SAE COMVEC are leaving no stone unturned in their quest to trim emissions. Cab air quality: A critical component of operator comfort Focus on defining cab air quality, measuring it, and designing the needed performance into cabin designs and HVAC systems is intensifying. Expanding fast charging faster Tritium works to accelerate installation of DC fast-charging infrastructure to keep up with growing demand for commercial EVs.

Air Caster Technology Safeguard Satellites During Assembly and Testing Operational Considerations for High-Reliability Interconnects in Military and Aerospace Applications Understanding Fiber Optic Transceiver Design and Test Rules Acceleration Resistant HiK Heat Spreader Shape-Shifting Origami Could Help Antenna Systems Adapt On-the-Fly NASA Eyes GPS at the Moon for Artemis Missions Spatiotemporal Imaging Exploiting Structured Sparsity Overcoming the conventional limits of spatiotemporal imaging by applying compressed sensing and sparse representations to reduce the amount of data acquired while maintaining high image resolution.

Editorial It's more than just a magazine The Navigator Needed: a step beyond STEM SAE AV Activities A listing of SAE International's autonomous vehicle-related offerings across the organization. Autonomy for the Masses Ford Autonomous Vehicles LLC aims to do for AVs what the Model T did for just about everyone. CEO Sherif Marakby explains. Speeding Thermal Analysis for Autonomous EVs Solving thermal challenges is vital to AEV development. Siemens PLM's new Simcenter integrated simulation package offers a high-fidelity, easy-to-use solution. New Mobility's Mega-Mappers Most believe ultrahigh-definition mapping is crucial to make high-level automated driving possible. Developing these maps is a huge undertaking-one that's enjoying a massive investment of money and talent. From a Blip to a Boom Automotive radar rides the 77-GHz technology wave toward greater capability and vehicle safety.

Pickup shocker With the R1T, Rivian emerges as the startup most likely to build the electric vehicle all of America will want to own. Plastics spur tech innovations The SPE Innovation Awards recognize vehicle OEMs and their supply chains for novel material developments and applications. A lesson in Multiphysics OEM engineers reveal how new software from Comsol improved their modeling and analysis of EV battery performance and audio-system sound quality. Heat pumps-expensive but worth it? They add 50% to the cost of the Jaguar I-Pace climate-control system, but improved designs are indicating the cost can be recovered-whether for a Jag or an electric school bus.

Enhanced SATCOMs for Unmanned Aerial Systems The Bus Too Tough to Die Combating Infrared Threats on the Battlefield Optical Interconnect Design Challenges in Space High-Performance Computing for the Next-Generation Combat Vehicle Merging Antenna and Electronics Boosts Energy and Spectrum Efficiency Integrated Magneto-Optical Devices for On-Chip Photonic Systems Development of magneto-optical (MO) materials could lead to a range of nonreciprocal optical devices for emerging standardized photonic integrated circuit (PIC) fabrication processes. Low Power Optical Phase Array Using Graphene on Silicon Photonics Electrostatic doping of 2D materials embedded in waveguides could enable ultrafast devices with unprecedented power. Spatial Resolution and Contrast of a Focused Diffractive Plenoptic Camera New technology captures spectral and spatial information of a scene in one snapshot while raising pixel counts and improving image quality.