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Combating complexity with model-based development System and software life-cycle management processes and tools that encompass all phases of the product, from concept to end of life, are essential to meet today's innovation and quality demands.

Hydraulic architecture strategies Researchers compare two different rule-based power-management strategies, in terms of their resultant fuel consumptions, through a simulation study as applied to a hybrid hydraulic multi-actuator displacement controlled system.

Taming automotive complexity with digital optimization From helping automotive engineers develop lighter structures to delivering fewer defects in manufacturing, digital tool providers are continuing their push upstream in the engineering process.

Seating solutions steer toward steel Zoomy-looking designs and alternative materials are eye-catching and save weight, but steel keeps getting lighter.

Gearing up for long lifetimes For transmission control engineers, a greater focus on reliability is prompting a shift to standards such as ISO 26262 and an improved diagnostics function that takes a broader view, looking at the overall system vs. individual components.

Apps hit the road To make it possible to run safe, useful apps while vehicles are being driven, companies throughout the automotive supply chain are changing the way they work together. Figuring out how to attract and integrate small and large app companies into the long development cycle of vehicles is a major challenge.

Oak Ridge answers A/C-on fuel use questions The lab runs fuel-economy tests with A/C on maximum vs. A/C 'comfort level,' A/C-off and with windows open and closed. Some results are surprising, including an unexpected 'crossover' point in testing on a Toyota Corolla.

Instilling confidence in composites To move forward the integration of CFRP materials in primary structures, the same high level of confidence in passive safety design simulations for metallic structures needs to be achieved with composite designs. Bike engineering highlights 2013 Motorcycle development and automotive technologies increasingly share the path toward cleaner, quieter, faster, and more diverse two-wheelers.

Low-cost instrument clusters A Delphi expert proposes a design strategy to help overcome challenges for manufacturability of automotive displays suited for emerging markets. BMW's technology play Dr. Herbert Diess, BMW's board member in charge of development, talks about where his company is placing its technology bets, the challenge of meeting the 95-g CO2 regulation in 2020, and the growing role of female engineers at BMW.

Bracing for success Cast reinforcements spectacularly boost torsional rigidity and improve steering precision.

GM revitalizes the V8 that will not die Direct injection, CVVT, and cylinder deactivation make the timeless Small-Block V8 ready for duty in the 2014 Corvette and full-size pickups. Its 4.3-L V6 cousin also gains those features. Where's the app for this? Design teams are seeking solutions to the many challenges that come when they link apps to vehicle electronics. These include adopting standards such as HTML5 and MirrorLink for simplified software development.

Focused on design For Missouri S&T Racing, knowing why a system was designed in a particular way is as important as knowing how it was designed. Taking the classroom to the racetrack Purdue University's Formula SAE team makes good racecars, even better engineers. Sticking to the schedule By strictly meeting deadlines, West Virginia University Institute of Technology team hopes to reach new heights in SAE Aero Design.

Tweaking, tuning, and tinkering The importance of flight testing in design decisions. Engine switch propels UW - Platteville snowmobile team to new heights Along with a new engine, the team made other changes that helped it win first place in the Spark-Ignition Class at the 2019 SAE Clean Snowmobile Challenge. Another year, another successful Cornell Baja SAE team Cornell University was among only five teams to finish in the top 10 in each of 2019's three Baja SAE competitions.

Technology report Quest for 'new-car smell' dictates interior-materials changes Doing it again-this time with 10 After a successful decade-long collaboration on 6-speed transaxles, Ford and GM partner again on an all-new 10-speed automatic. Here's a look inside the gearbox and the project. Large-scale additive manufacturing for rapid vehicle prototyping A case study from Oak Ridge National Laboratory bridges the 'powertrain-in-the-loop' development process with vehicle systems implementation using big area additive manufacturing (BAAM). Global Vehicles Steel-intensive Mazda CX-9 sheds mass, debuts novel turbo setup

Editorial: What's old (and revered) is new again Toyota sticking with measured, 'Teammate' approach to autonomous development Straight-sixes are back (with electrification) at Mercedes-Benz McLaren faces the electrified and autonomous future Can low-volume supercars survive amid stringent CO2 regs and robot cars? McLaren is betting £1 billion on a speedy, powerful-and independent-sports-car future. New Peugeot SUVs jump to modular platform, increase composites use Mercedes EQ concept previews 2019 electric SUV 2017 Nissan Rogue adds hybrid system with EV-only mode Renault's kids' racer

Types of aircraft passenger-escape systems An overview of existing and potential new methods for assuring aircraft occupant safety. SAE Skill India Initiative: S2I2 A new SAEINDIA collaboration aims to help young engineers acquire "industry-ready" skills. A technology-driven sustainable-agriculture solution Pumping more air into the cylinder is key to solving the CAFE puzzle, and engineers are hard at work figuring out the best ways to do it with turbocharger and supercharger innovation. Rotorcraft icing computational tool development 3D printing machines can't be built fast enough In the additive-manufacturing world, the costs of components are dropping, the technology is becoming more reliable and parts are fabricated faster, allowing industries beyond aerospace to adopt additive technologies, says Oak Ridge Lab's Ryan Dehoff.

Focus on advanced safety systems and human-factor interventions The impact of REACH on the aviation sector Considered the most comprehensive chemical-regulation legislation to date, REACH presents serious ramifications for the aircraft industry. Lightweighting: What's Next? Experts weigh in on the challenges and future enablers in the battle to reduce vehicle mass. The best of COMVEC 2016 Autonomous vehicles and improved fuel efficiency via advanced powertrain solutions are pressing topics detailed in this select group of technical papers from the SAE Commercial Vehicle Engineering Congress. Optimizing waste heat recovery for long-haul trucks Autonomous solutions in agriculture Downsizing a HD diesel engine for off-highway applications Zero-emissions electric aircraft: Theory vs. reality

Engineering design process crucial for success Michigan Tech hopes structured design process yields improvement in Year 2 of the AutoDrive Challenge competition. A new perspective on airplane design Despite the obstacles presented by Venezuela's economic, political, and social crisis, team UNIMET SAE Aero Design scored high in the 2018 SAE Aero Design Micro Class competition. Focus on testing fuels win Texas A&M Formula SAE team members develop valuable engineering skills as they apply the fundamentals of engineering to a complex problem that just happened to be a racecar.

Battling the elements Cold Canadian winds can't stop University of Manitoba team from reaching SAE Aero Design heights. How to lead a team Virginia Tech engineering student discovers leadership skills she didn't know she had. 'Hard work, determination, and a little bit of luck' A complete vehicle overhaul helped the SAE Supermile-age team from Northern Illinois University score a second-place overall fin-ish at the 2018 competition.