Modify Torque-Speed characteristics of electric motors such as [Induction Motor, Stepper motor, BLDC Motor, DC Motor] for Industrial applications, and for Electric Vehicles? {you need to modify torque-speed characteristics of electric motors to get some industrial applications like how torque-speed characteristics od induction motor have been modified to use it in an electric vehicle, how torque-speed characteristics have been modified to use stepper motor in-camera lens}