Command Pattern of Automated Control System for Greenhouse Complex

Abstract

The article describes the project contents on the working model creation of an automated control system for a greenhouse complex, which includes a controller, a cloud server, and a remote client. The system manages data collecting on the state of crops, lighting, power, and microclimate. Additional control over the process of growing plants is carried out using surveillance cameras installed in the greenhouse, the image from which is processed in real time and stored on the cloud server, and then transferred to the remote client.

The proposed approach for modelling and evaluating project activities is based on a comprehensive assessment of the project’s life cycle quality indicators. The logical dynamic model of the life cycle of the project design stage of the project creation is presented. As a mathematical formalism, the authors propose to use extended Petri nets – E-networks, which allow describing discrete parallel interacting processes when creating the system. The presented hierarchical E-network scheme allows modelling stages of work, as well as the resources used in the performance of these works. As a result of analytical and simulation work, both calculated integral evaluations of the project's effectiveness and effectiveness of each resource are presented. The result of the model as a timing diagram of the organization with the necessary level of detail is also given. The authors have proposed the following numerical indicators of resources costs for the project: an indicator of time and an indicator of the material costs spent on the i-th task.