tools-for-rapid-simulation-modeling-for-the-39paper-switching39-application(編輯修改稿)
2025-08-20 15:30 本頁面
【文章內(nèi)容簡介】 y without having to enhance the AutoSched product MCM/MMS Overview AutoMod Model Control system UI s/w ? Excel ? VB and Java UI AutoMod Models AutoSched Models Other simulation package Demonstration: MCM/MMS In Action What is MMS? ? Provides time management – offers 2 modes: exact and periodic synchronization – models are eventdriven and run as fast as possible, or with animation, run with a display step – repeatable ? Provides message passing – automatic synchronization messages – model dependent messages ? message is any no. of integers, reals and strings ? message usually represents an external event or data transfer ? each model has a callback function to process external events What is MMS? ? Works on 1 PC or any no. over a LAN – Based on sockets, so works with Windows, Unix – On Windows LAN, MMS has low overhead ? Provides debugging support – Ability to interact with all models while running – Repeatable: capability to repeat run for debugging by rerun all models, or only one model driven by a message file. ? Hardened, tested, used in largescale industrial models – Prototype in use for 3+ years ? MMS available now in mercial release MMS Time Management: Exact and Periodic Mode ? In exact mode, the simulation clocks are synchronized perfectly – only 1 model runs at a time ? appears as if all are running simultaneously – MMS server controls which model runs ? In periodic mode, all messages are sent when desired, but are received periodically, say every 10 simulated seconds – between message updates, all models run simultaneously – potential for large runtime gain – downside is possible loss of accuracy ? suitable only for properly defined, loosely coupled submodels – repeatable MMS Applications Ergonomics or Robotic Cell Model AutoMod Model MMS Controller Interactive custom UI ? Excel ? VB ? Java UI AutoSched AP Model Applications: US Postal Service ? USPS Processing and Distribution Center – currently 3 AutoMod models in the suite – soon to be 6+ models – individual models for: ? equipment (LPE, FPE, IBS) ? MH (conveyor, agv) ?
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