Rishav Chakravarty, Data Science and Machine Learning

Design lab

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Product

Preset (real-world sizes)

Pill

Shape Length Width / thickness Colour

Bottle

Style Diameter Height Mouth opening Colour Fill level

Bottle interface & hopper

Sealed adapter cap (flip without spilling) Vibration assist

A · Sorting wheel

Slot size setting Wheel speed Auto-tune scraper gap to the pill Scraper clearance

Vacuum system

Vacuum (gauge)

Hold force = vacuum × cup / port area × seal quality; the pill is held only up to that force.

B · Robotic arm

Arm speed

Vacuum cup size is chosen from the pill width and the bottle mouth.

C · Shuttle pocket

Auto-size pocket to the pill Pocket length Pocket depth Compliant silicone wiper lip Shuttle speed

D · Lane & escapement

Lane slope Auto-size trapdoor chamber Chamber length

E · Belts & counting

Feed belt speed Spacing belt ratio Counting method

F · Vacuum disc

Auto port diameter Port diameter Disc speed

Motor limits

Size motor to 25 % of the pill's crush strength Current limit (force) Torque limit

A pill trapped in the mechanism stalls the motor at this limit, that is the jam signal, and the squeeze force a pill sees.

drag to pan · scroll to zoom · double-click to fit

Filling bottle…