The files include a Simulink library with two different models, modeled with basic Simulink blocks, with different details. The more detailed one includes more outputs like motor temperature and power.
There is also another model based of the physical modelling tools SimPowerSystems and SimDriveLine, to show how elegant a system like a DC motor can be modeled with them. There are are also sample Simulink models with a load connected to the DC motor. Included are also two MATLAB scripts implementing the DC motor and DC motor with load models in state-space.
To install: Unpack the zip-file in a directory and add that directory to your matlab path. When you start simulink the block library should be added automatically to your Simulink library browser.