Abstract: We propose a velocity-free attitude stabilization scheme in which neither the angular velocity nor the instantaneous measurements of the attitude are used in the feedback, only body vector ...

A ROTATING shaft can exhibit torsional vibration when, because the dynamic coefficient of friction is less than the static value, the frictional force at the bearings supporting the shaft decreases as ...

The extra precession of Mercury—42.9 seconds of arc per century—explained by General Relativity (GR), is the result of a secular addition of 5.02 × 10 −7 rad. at the end of every orbit around the Sun.

Abstract: Faced with noise and interference in industrial environments, the need to capture high-frequency and low-frequency signals, the requirements for high resolution and sampling rate of data ...

Angular 19, a planned update to the popular TypeScript-based web framework, is set to make standalone: true the default for components, directives, and pipes. This change, announced in an Angular blog ...

There seems to be a never-ending discussion among baseball fans that can be divided into two groups: Those who note how pitchers keep throwing harder and harder and those who decry the never-ending ...

Cadillac just unveiled its latest concept, the Cadillac Opulent Velocity, an all-electric hypercar embodying the brand’s vision for the future of luxury and performance. Following a teaser released in ...

The Cadillac Opulent Velocity is a radical concept that peers into the future of electric performance cars. While the concept is capable of Level 4 autonomous driving, it retains a steering wheel and ...

Planetary gear train is a critical transmission component in large equipment such as helicopters and wind turbines. Conducting damage perception of planetary gear trains is of great significance for ...