Design and Implementation of Shaking and Weight of Blood Bag
Keywords:
Blood bag shaking, Blood bag weight measurement, Blood component separation, Medical device designAbstract
The blood bag shaking machine plays a crucial role in the blood donation process. Typically, blood begins to clot once it exits the body, necessitating the incorporation of an anti-clot solution through agitation in the blood bag. The shaking machines utilized in this process are often imported and come at a high cost. This paper outlines the design of a shaking machine specifically for blood bags, which also estimates volume without the use of sensors. The volume of blood within the bag correlates with the load torque exerted on the DC motor. As blood is collected, the volume in the bag increases, resulting in a corresponding rise in current. By applying the principles of a closed-loop speed control system, along with an observer and adaptive compensator, both the volume of the blood bag and the blood flow rate can be estimated through the current and load torque measurements.

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.