Engineering & Materials Science
Energy utilization
100%
Braking
82%
Energy storage
76%
Rails
69%
Regenerative braking
62%
Electric power systems
56%
Electric potential
48%
Energy conservation
48%
Trajectories
46%
Renewable energy resources
44%
Electric current control
36%
Electric power distribution
24%
Simulators
24%
Energy management systems
23%
Energy efficiency
22%
Z transforms
20%
Rapid transit
18%
Hydrogen fuels
16%
Costs
15%
Lithium-ion batteries
14%
Hybrid vehicles
14%
Electricity
14%
Smart power grids
13%
Driver training
13%
Outages
12%
Induction motors
12%
Electric vehicles
12%
Logistics
12%
Data communication systems
12%
Permanent magnets
11%
Wind power
11%
Sustainable development
11%
Power electronics
10%
Energy management
9%
Sampling
9%
Subways
9%
Voltage control
8%
Topology
8%
Synchronous motors
8%
Energy transfer
7%
Simulation platform
7%
European Union
7%
Pulse width modulation
7%
Control systems
7%
Hydrogen
7%
Electric energy storage
7%
Controllability
7%
Supercapacitor
6%
Communication
6%
Traction (friction)
6%
Business & Economics
Train
53%
Railway Vehicle
51%
Energy Consumption
36%
Energy
36%
Trajectory
34%
Railway
26%
Regeneration
16%
Energy Systems
16%
Gradient
15%
Evolutionary
10%
Energy Saving
9%
Integrated
9%
Net Energy
7%
Evaluation
7%
Environmental Concern
5%
Energy Prices
5%
Environmental Sustainability
5%
CO2 Emissions
5%
Social Sciences
German Federal Railways
61%
energy consumption
46%
energy
44%
speed limit
20%
energy saving
12%
performance
8%
simulation
6%
evaluation
6%
Additional Powers
5%