Custom regressor and HST object
Effmap is the python library, which introduces two classes: hydro-static transmission (HST) and regression models (Regressor). The former serves to initialize an HST object for a certain displacement, oil and an engine. Included methods allow to size, to calculate efficiencies as well as performance characteristics for a given operational regime and to create, print and save an efficiency map - a contour or a surface plot for ranges of speeds and torques required.
The latter class loads the collected catalogue data of displacements, speeds and masses of axial-piston machines from the data.csv file. Then it fits regression models to the data in order to provide inter- and extrapolating predictions. The data and the regression models could then be printed and saved.
pip install effmap
from effmap.hst import HST from effmap.regressor import Regressor hst = HST(displ) hst.compute_sizes() hst.compute_speed_limit(models['pump_speed']) hst.load_oil() hst.plot_oil() hst.compute_eff(input_speed, pressure_discharge) hst.compute_loads(pressure_discharge) hst.plot_eff_maps(max_speed, max_pressure)
Code for the web app: https://github.com/ivanokhotnikov/effmap_demo
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