This compilation explores various facets of systems engineering, encompassing advanced technologies in control, optimization, and communication, alongside the growing influence of artificial intelligence, machine learning, and cybersecurity. It further examines the impact of human-computer interaction, digital transformation, and future internet technologies. The texts cover diverse applications such as autonomous vehicle navigation, space exploration, software testing, and medical diagnosis, often employing optimization methods, stochastic models, and AI-driven solutions to enhance efficiency, safety, and performance across complex systems. Several contributions also focus on theoretical frameworks and practical applications of these technologies to address real-world challenges.