This book highlights a theoretical framework for architecting the safety and reliability analysis of rail transit trains for active safety assurance. Rail transit is compared to the main artery of regional economy and the backbone of urban travel. The safety and reliability of trains is directly associated with the punctuality and safety of passengers, as well as the transport capacity and efficiency of rail transit. High-intensity operation, complex working conditions, and external random...

This book benefits those interested in space tourism for doing business, conducting research, and teaching space services. The value chain analysis approach is applied to construct the knowledge system of the space industry from suppliers, consumers, agents, and related stakeholders. Space tourism has made a breakthrough in travel boundaries beyond Kármán line and impacted human living in many aspects, especially a vision of Mars immigration. The tourism industry has extended its reach to ...