(57) Abstract As for this invention, including the expedient (3 - 5), in order to infer standard the region which differs the reactor and/or in that jacket and expedient (12) in order to measure temperature at the point in time when it differs, and from here concerning dangerous reckless driving condition start of the reckless driving in the batch type chemical reactor which becomes it relates to the system which early is detected in - line. According to this invention, as for the aforementioned inference expedient (3 - 5), following toformula (i) (here, as for area, the parallelogram area which is given in point in time t and t+t, by respective point P1, P2 and P3 is meant,), the expedient which limits the area development of the system which it can go to the phase space which was reconstructed (5), and div [F (t)]If 0 is, the alarm the expedient (8,9) which warns is included.
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