Liu started following the work of Arvind Singh, The University of Trinidad and Tobago, Electrical Engineering.
Liu followed the research interests: Power Plant Fault Detection, Diagnosis & Prognosis, Prognosis and health management, Condition monitoring and fault diagnosis, Prognosis and health management, Signal analysis and pattern identification, Mechanical vibration and machinery system dynamics, Nondestructive testing, Incident Management, Public Policy, Emergency Management, Homeland Security, Critical Incident Management... (13 more) Power Plant Fault Detection, Diagnosis & Prognosis, Prognosis and health management, Condition monitoring and fault diagnosis, Prognosis and health management, Signal analysis and pattern identification, Mechanical vibration and machinery system dynamics, Nondestructive testing, Incident Management, Public Policy, Emergency Management, Homeland Security, Critical Incident Management, Terahertz time-domain spectroscopy, Time-Frequency Analysis, Time-Sharing Mode Control, Time-Series Analysis, High Reliability Organisation, Software Reliability, Reliability Engineering, Safety and reliability and risk management, Quality, Reliability & Maintenance, Reliability Theory, Microelectronic Reliability, Reliability (Measurement and Evaluation), and Computer Security And Reliability
- Computer Security And Reliability
- Condition monitoring and fault diagnosis, Prognosis and health management, Signal analysis and pattern identification, Mechanical vibration and machinery system dynamics, Nondestructive testing
- Critical Incident Management
- High Reliability Organisation
- Incident Management, Public Policy, Emergency Management, Homeland Security
- Microelectronic Reliability
- Power Plant Fault Detection, Diagnosis & Prognosis
- Prognosis and health management
- Quality, Reliability & Maintenance
- Reliability (Measurement and Evaluation)
- Reliability Engineering
- Reliability Theory
- Safety and reliability and risk management
- Software Reliability
- Terahertz time-domain spectroscopy
- Time-Frequency Analysis
- Time-Series Analysis
- Time-Sharing Mode Control
