Abstract: This paper proposes a control strategy based on cascade PID to solve the attitude control problem of a double-rotor wind turbine blade repair robot. Firstly, the robot's dynamic model is ...

725Co received a 2025 Global Recognition Award for its sustainable LED display repair practices, component-level restoration techniques, and environmental stewardship, which help prevent thousands of ...

8 Most Magical Places in India to See Fireflies Glow From forests to beaches, these India’s firefly hotspots offer unforgettable nights, reminding of nature’s subtle and glowing wonders.