ABSTRACT: Deceleration or stopping the vehicle without any diving and lateral acceleration is essential to develop an effective braking system. The hydraulic braking system with intelligent braking called Antilock Braking system (ABS) and Electronic Stability Control (ESC) has been introduced.  However, due to the insufficient human effort, the ABS and ESC to some extent, not function well...

Part of CREATE-GV’s Mercury, the Powertrain Analysis and Computational Environment (PACE) is a simulation tool that provides advanced behavioral modeling of the powertrain subsystem of conventional or hybridelectric vehicles. PACE performs its task by converting an existing powertrain architecture created in Autonomie or Matlab/Simulink into HPC-ready C++ code using an automated code generation...

While NASA’s current next-generation launch vehicle research has largely focused on advanced allrocket single-stage-to-orbit vehicles (i.e. the X-33 and it’s RLV operational follow-on), some attention is being given to advanced propulsion concepts suitable for “next-generation-and-a-half” vehicles. Rocketbased combined-cycle (RBCC) engines combining rocket and airbreathing elements are one cand...

To meet the ever increasing requirements for engines and vehicles in the areas of performance, fuel economy and emission, and reduce product development time, we see the need for an integrated development environment which combines engine rapid control prototyping (RCP) capability with real-time vehicle simulation capability using an engine dynamometer in the test cell. Design and implementatio...

We propose a fault-injection system (FIS) that can inject faults such as read/write margin failures and soft errors into a SRAM environment. The fault case generator (FCG) generates time-series SRAM failures in 7T/14T or 6T SRAM, and the proposed device model and fault-injection flow are applicable for system-level verification. For evaluation, an abnormal termination rate in vehicle engine con...

The I \ ~ . C . ~ has delleloped means, including an injection impeller and ducted head h f l e s , to improre the cooling charact ee t i c s of the SS60-cubieinchdisplacement radial engines installed in a four-engine h a z y bomber. The improrements afforded proper cooling of the rear-row exhaust-ualre seats for a wide range of ~(~101-jhp angles, mixture strength, and airplane speeds. The resu...

Adjusting operating temperature of the engine in the steady state and during warm-up improves fuel consumption and reduces engine emission through higher operating temperatures. Also it can improve thermal comfort by faster cabin heater performance. Thermal fluid analysis by 1-D simulation is an effective tool for studying the control of the entire cooling system and optimization of engine perf...