Control systems 2 Drive control Traction motors 2 Asynchronoi electric motor 1 City transport 1 Direct torque control 1 Disabled people 1 Drive solution 1 Elderly people 1 Electric drives 1 Electric impedance measurement 1 Electric traction 1 Electric traction drive 1 Energy efficiency 1 Engines 1 Floors 1 Independently rotating wheels 1 Induction motors 1 Load disturbances 1 Low-floor 1 Nominal frequency 1 Power load 1 Power supply 1 Running gear 1 Torque 1 Torque control 1 Traction (friction) 1 Traction control 1 Traction drive 1 Tram 1