Abstract: This paper presents a viable quaternion-based complementary observer (CO) that is designed for rigid body attitude estimation. We claim that this approach is an alternative one to overcome ...

Spack is a multi-platform package manager that builds and installs multiple versions and configurations of software. It works on Linux, macOS, and many supercomputers. Spack is non-destructive: ...

To date, the Academy’s active preservation program has preserved over 1,100 films. This list is updated on a quarterly basis. Download the full excel sheet. In 2007, the Academy began embarking on a ...

Abstract: During the last decade, possibilities to realize new phenomena and create new applications by varying system properties in time have gained increasing attention in many research fields.