Engineering & Materials Science
Control systems
100%
Energy utilization
97%
Rails
88%
Communication
77%
Trajectories
68%
Energy conservation
54%
Braking
53%
Data communication systems
51%
Condition monitoring
46%
Monitoring
33%
Networks (circuits)
31%
Topology
30%
Traffic control
28%
Simulators
26%
Neural networks
25%
Rapid transit
25%
Regenerative braking
25%
Testing
24%
Integer programming
24%
Carrier sense multiple access
23%
HIgh speed networks
23%
Electric arcs
23%
Wavelet analysis
22%
Accidents
22%
Level control
21%
Backstepping
21%
Switches
20%
IEEE Standards
20%
Costs
20%
Global system for mobile communications
20%
Power transmission
20%
Quality of service
20%
Recovery
19%
Planning
19%
State estimation
19%
Nonlinear systems
16%
Availability
15%
Population Density
15%
Cables
15%
Wireless networks
15%
Formal methods
14%
Feature extraction
14%
Inspection
14%
Actuators
14%
Acoustic impedance
14%
Fast Fourier transforms
13%
Subways
13%
Controllers
13%
Throughput
13%
Electric potential
13%
Business & Economics
Train
58%
Railway
53%
Trajectory
30%
Energy Consumption
28%
Regeneration
23%
Energy Systems
23%
Interference
18%
Energy
15%
Rail Network
14%
Integrated
13%
Communication
11%
Throughput
10%
Mobile Communication
8%
Condition Monitoring
7%
Environmental Concern
7%
Energy Prices
7%
Performance
7%
Simulation
6%
Strategic Assets
6%
Process Optimization
6%
Energy Saving
5%
Telecommunications
5%
Scarcity
5%
Propagation
5%
Net Energy
5%
Rail
5%
Social Sciences
German Federal Railways
82%
energy consumption
36%
traffic control
27%
energy
25%
commuter
24%
living conditions
19%
monitoring
19%
interference
18%
migration
13%
China
12%
performance
12%
simulation
11%
communication
10%
cause
9%
population density
9%
accident
8%
energy saving
8%
traffic planning
7%
scenario
6%
education
5%
financial loss
5%
