Definition of the multivariable control strategy has been provided in sufficient detail with emphasis on the regenerator control, cracking conversion control, pressure balance control, main fractionator bottom control and cracking yields control.

• 从烧焦控制、裂化苛刻度控制、压力平衡控制、分馏塔底控制和裂化产率优化控制等五方面详细论述了反应-再生系统的控制策略。