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NASA thought it fixed a space station leak but it’s back

NASA thought the problem was finally under control — but the International Space Station (ISS) is once again losing air, ...
IEEE

Cooperative Control of Active Suspension and Four-Wheel Steering for Intelligent Electric Vehicles With Corner Module Structure on Severe Roads

Abstract: The Corner Module Architecture (CMA) integrates a steering system, a drive/brake system, and an active suspension system at each wheel. Since electric vehicles are characterized by simple ...
IEEE

Generic Homotopic Smoothing for Low-Thrust Optimal Control Problems With Power Constraints

Abstract: This brief is devoted to the power-constrained low-thrust optimal control problem (OCP). First, a general model for a class of power constraints is proposed by defining a piecewise smooth ...