Flow amount measuring apparatus, material mixing system and non transitory computer readable medium performing material mixing method

A material mixing system, comprising:

• a first material providing apparatus, comprising:
• a first rotating device, configured to rotate while first material flows through the first rotating device;
• a first rotating bar, connected to the first rotating device, configured to rotate corresponding to rotating of the first rotating device;
• and
• a first feature acquiring device, configured to acquire at least one feature of the first rotating bar;
• a second material providing apparatus, comprising:
• a second rotating device, configured to rotate while second material flows through the second rotating device;
• a second rotating bar, connected to the second rotating device, configured to rotate corresponding to rotating of the second rotating device;
• and
• a second feature acquiring device, configured to acquire at least one feature of the second rotating bar;
• a computing unit, configured to compute a first number for full rotations for the first rotating bar based on the feature of the first rotating bar, configured to compute a second number for full rotations for the second rotating bar based on the feature of the second rotating bar, configured to compute first flow amount according to the first number, and configured to compute second flow amount according to the second number;
• and
• a control unit, configured to control the first material to flow through the first rotating device or to stop based on the first flow amount, and configured to control the second material to flow through the second rotating device or to stop based on the second flow amount;
• wherein the first feature acquiring device is an image sensor for sensing an image comprising a feature image for the feature of the first rotating bar, and the second feature acquiring device is an image sensor for sensing an image comprising a feature image for the feature of the second rotating bar.

A non-transitory computer-readable medium storing at least one program, a material mixing method is performed while the program is executed, the material mixing method comprising:

• (a) rotating a first rotating device while first material flows through the first rotating device;
• (b) rotating a first rotating bar corresponding to rotating of the first rotating device;
• (c) acquiring at least one feature of the first rotating bar via sensing an image comprising a feature image for the feature of the first rotating bar;
• (d) rotating a second rotating device while second material flows through the second rotating device;
• (e) rotating a second rotating bar corresponding to rotating of the second rotating device;
• (f) acquiring at least one feature of the second rotating bar via sensing an image comprising a feature image for the feature of the second rotating bar;
• (g) computing a first number for full rotations for the first rotating bar based on the feature of the first rotating bar, computing a second number for full rotations for the second rotating bar based on the feature of the second rotating bar, computing first flow amount according to the first number, and configured to compute second flow amount according to the second number;
• and
• (h) controlling the first material to flow through the first rotating device or to stop flowing according to the first flow amount, and controlling the second material to flow through the second rotating device or to stop according to the second flow amount.