BlokIDE Examples

Cruise Control System

Cruise control system is available in most modern vehicles that attempt to maintain a constant speed, when in use. Upon driver’s indication, e.g. by pressing the brake or accelerator, the system suspends its operation and allows manual speed manipulation.

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CruiseControl

Lift Control System

A typical lift control system for a building with four floors. Each floor is provided with a call-up button and a call-down button except for the first and the last floors, which only have a call-up and a call-down button, respectively. Inside the lift there are four floor request buttons, one for the each floor of the building.

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LiftController

Cardiac Pacemaker

This example presents the VVI mode of a pacemaker. The VVI mode stands for Ventricular pacing, Ventricular sensing with Inhibited pacemaker pacing when spontaneous heart signals are detected The heart is the organ responsible for maintaining blood circulation within the human body and is composed of four chambers: the left atrium, right atrium left ventricle and right ventricle. The average rate at which the heart beats during rest is between 60 to 80 beats per minute (period of 1,000 ms to 750 ms) . During each heartbeat, the left atrium collects the oxygenated blood from the lungs and the left ventricle pumps the oxygenated blood out to the body. And the right atrium collects de-oxygenated blood from the body and the right ventricle pumps the de-oxygenated blood into the lungs. In a normal working heart, the heart beat is initiated periodically by electrical signals generated from the sinoatrial (SA) node (the natural pacemaker). Whereas, in an abnormal heart the periodical signals are sometimes missing. To compensate for the missing periodic signals, a pacemaker
can be implanted in the human body. This example we will focus only on the abnormal pacing of the ventricles (missing signals only in the ventricles).

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VVIModePacemaker

Boiler Safety System

Boiler systems are safety critical systems due to their proximity with human workers and high-pressure operational parameters. Such systems are required to treat safety in its own rights. This is usually performed by implementing safety functions as systems that are independent of the normal operation. This example a boiler safety system designed using IEC 61499 Model-View-Control (MVC) design pattern.

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BoilerControlSystem
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