Browse Publications Technical Papers 2019-26-0119

Electro-Magnetic Parking Brake System for Electric Vehicles 2019-26-0119

Regular vehicle has the advantage of Engine resistance even when it is not fired, hence chances of vehicle roll back on gradients will be minimized. This is not the case for Electric vehicles, which uses an electric motor that does not have any resistance offered to wheels that prevent vehicle roll back on gradient. This leads to increased load on the conventional hydraulic brakes due to absence of engine inertia. Hence, there is a need for a low cost and reliable automatic braking system which can help in holding the vehicle and assists the driver during launch in case he need to stop at a gradient. An Electromagnetic brake (EM brake) system can be used as a solution for the above-mentioned requirement. EM brake can provide hill hold and hill assist effect in addition to automatic parking brake application when the vehicle is turned-off. This system will assist anyone who need to halt the vehicle at a gradient and then relaunch it without much struggle. This feature will be an added safety feature for Electric vehicles.
During emergency conditions such as Traction, battery is completely discharged and if vehicle need to be towed or parked aside and there is a need for disengaging the EM brake, a manual brake release system is built in into the EM Brake, which can be used to disengage the EM brake and make vehicle movement possible.


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