In this paper, we first analyze an existing anchoring energy measurement technique in terms of accuracy and surface tilt angle value as an electric field is applied to the nematic cell initially planarly aligned. We thus perform a simulation of the film behavior using a pure elastic model and derive from it a possible new method for polar anchoring coefficient measurement, based on the surface tilt angle dependence on the applied voltage. We propose an experimental setup to perform this measurement. The reported preliminary experiment (5CB nematic film aligned using a polyimid layer) shows on one hand the feasibility of the measurement and in an other hand that - in that specific case - the pure elastic model is too restrictive and extra surface phenomena have to be accounted for.