Engineering & Materials Science
Energy utilization
100%
Energy storage
80%
Braking
72%
Rails
71%
Regenerative braking
61%
Electric power systems
59%
Electric potential
50%
Energy conservation
50%
Trajectories
48%
Renewable energy resources
46%
Electric current control
38%
Electric power distribution
26%
Simulators
25%
Energy management systems
25%
Energy efficiency
23%
Z transforms
21%
Rapid transit
18%
Hydrogen fuels
17%
Costs
16%
Lithium-ion batteries
15%
Hybrid vehicles
15%
Electricity
14%
Smart power grids
13%
Driver training
13%
Outages
13%
Induction motors
13%
Electric vehicles
13%
Logistics
13%
Data communication systems
12%
Permanent magnets
12%
Wind power
12%
Sustainable development
12%
Power electronics
11%
Energy management
10%
Sampling
10%
Subways
10%
Voltage control
8%
Topology
8%
Synchronous motors
8%
Energy transfer
8%
Simulation platform
8%
European Union
8%
Pulse width modulation
7%
Control systems
7%
Hydrogen
7%
Electric energy storage
7%
Controllability
7%
Supercapacitor
7%
Communication
7%
Traction (friction)
7%
Business & Economics
Train
42%
Trajectory
36%
Energy Consumption
30%
Railway
28%
Railway Vehicle
27%
Energy
26%
Regeneration
17%
Energy Systems
17%
Gradient
15%
Evolutionary
10%
Energy Saving
10%
Integrated
9%
Net Energy
8%
Evaluation
7%
Environmental Concern
5%
Energy Prices
5%
Environmental Sustainability
5%
CO2 Emissions
5%
Power Demand
5%
Performance
5%
Social Sciences
German Federal Railways
48%
energy consumption
39%
energy
37%
speed limit
21%
energy saving
13%
performance
8%
simulation
6%
evaluation
6%
Additional Powers
6%
