P2.33 Find the transfer function for Y(s)/R(s) for the idle- speed control system for a fuel-injected engine as shown in Figure P2.33. Air bypass H₂(3) R(s) Speed command Fuel K's K6 gain Manifold Dynamics G₁(s) G₂ls) Gy(s) Pressure Y(s) Engine H₁(s) speed Spark gain K₁ FIGURE P2.33 Idle speed control system.