×

Production management system and its application method

  • US 5,442,561 A
  • Filed: 05/10/1993
  • Issued: 08/15/1995
  • Est. Priority Date: 05/12/1992
  • Status: Expired due to Fees
First Claim
Patent Images

1. A production management system comprising:

  • a host computing machine serving as a scheduler which executes production schedules for a plurality of production machines, forming a production line, and/or articles to be processed which are objects of production processes by the production machines based on first information on production abilities of the machines and second information on state quantity of the articles to be processed by the machines;

    a computer associated with each production machine for distributing said schedules to each production machine and reporting to said scheduler on progress of said production process for each production machine;

    an input means for inputting to said scheduler third information on degrees of production progress on said production machines and/or said articles to be processed;

    a judgment means for comparing said input third information with said production schedules and for judging if said degrees of production progress are within predetermined allowances on said production machines and/or said articles to be processed;

    an adjustment means for adjusting said production schedule so as to match predetermined production target if negative judgment is given by said judgment means;

    a designating means for designating at least one article to be processed having high priority or importance, forming a first article group, from said articles to be processed which are objects of said production processes, the rest forming a second article group, said designated at least one article to be processed which is an object of said execution of said production schedules to execute a first production schedule, and of said adjustment; and

    an extraction means for extracting marker articles to be processed at a predetermined interval from said second article group, said extracted marker articles to be processed which are treated as said articles to be processed in said first article group.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×