Table 6 List of symbols and parameter definitions Used.

From: Innovating medical education using a cost effective and scalable VR platform with AI-Driven haptics

Symbol

Description

Unit

\(\:F\left(t\right)\)

Output haptic force at time \(\:t\)

Newton (N)

\(\:k\)

Stiffness coefficient of simulated tissue

N/m

\(\:x\left(t\right)\)

Displacement from the neutral position at time \(\:t\)

meter (m)

c

Damping coefficient (resistance to movement)

Ns/m

\(\:\frac{dx\left(t\right)}{dt}\)

Velocity of tool or instrument at time \(\:t\)

m/s

\(\:{T}_{c}\)

Time taken to complete a clinical task

seconds (s)

\(\:{A}_{p}\)

Procedural accuracy score computed in VR environment

percentage (%)

\(\:{E}_{r}\)

Error rate recorded during simulation

percentage (%)

\(\:{R}_{s}\)

Retention score measured after a training gap

percentage (%)