Intelligent Systems and Decision Making for Risk Analysis and Crisis Response –
Huang & Kahraman (eds)
© 2013 Taylor & Francis Group, London, ISBN 978-1-138-00019-3
757
Time-varying system characteristics and safety guarantee
measures of urban operation
Zhengang Zhai, Wei Zhu & Kehui Liu
Beijing Research Center of Urban System Engineering, Beijing Academy of Science and Technology,
Beijing, China
ABSTRACT: Urban operation system is a typical time-varying system with control
function. Urban structure is constantly changing with time, and the functions of urban oper-
ation were achieved through the urban system structure under the environment, people’s
activity and other time-varying factors. The primary impact factors on time-varying struc-
ture of ...