Add a momentum term to smooth the aggressive step:
v = momentum*v + (1-momentum)*grad
x = x - λ*v + β
In real-time control loops, one might log: iteration t 3.0 0
iteration <time> <setpoint> <output>
Then "iteration t 3.0 0" means:
Example from a PID log:
iteration t 3.0 0 # t=10 → setpoint=3.0, measured output=0