工业过程 [英] An Industrial Process
问题描述
你好，
我正在尝试编写一个程序，该程序会根据输入(A，B，C和D)和先前的输入生成不同的输出，尽管我的程序必须在一定的时间间隔内工作(一个单元到达工作站)，这相当简单每个时间单位)具有以下参数:
机器1必须采用1个时间单位才能生成输出单位V.
如果输入为B，则机器2占用1个单位才能生成输出W.如果输入为BC，则它需要2个时间单位并生成输出X.
如果输入是D，则机器3占用3个时间单位，并生成输出Y；如果它是DBC，并且产生输出Z，则机器3占用7个时间单位.
机器4占用5个时间单位，并生成输出T.
该输出将排队，然后选择，以便机器输出单个单元流.
程序启动后，必须在每个时间单位生成此输出单位.
我不太确定如何处理这种类型的过程，是否应该减慢该过程以使其符合标准，或者我该如何影响使用C的时间?
谢谢
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Hello,
I am trying to write a program which generates different outputs depending on the inputs (A, B, C & D) and previous inputs, this is fairly straightforward although my program has to work within a time frame interval (one unit arrives at the station every time unit) with this parameters:
Machine 1 must take 1 time unit to generate an output unit V.
Machine 2 takes 1 unit to generate an output W if the input was B. If the input was BC, it takes 2 time units and produces an output X.
Machine 3 takes 3 time units if the input was a D and generates an output Y, but 7 if it was DBC and it produces an output Z.
Machine 4 takes 5 time units and generates an output T.
This outputs will be queued and then selected so that the machine delivers a single stream of units.
This outputs unit must be generated every time unit after the program has started.
I am not quite sure how to approach this type of procedure, should I slow down the process so it meets the criteria or how could I affect time with C?
Thank you
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推荐答案
我不太确定如何处理这种类型的过程，我应该减慢过程的速度，使其符合标准吗?或者我会如何影响使用C的时间?
I am not quite sure how to approach this type of procedure, should I slow down the process so it meets the criteria or how could I affect time with C?
看起来您只需要正确定义这样的状态机:输出流仅仅是一个结果(并且否，您不能"用C影响时间" -if我知道你了-).
It looks you just have to define properly such states machines: the output flow will be a mere consequence (and no, you cannot ''affect time with C'' -if I got you-).
这是理论上的问题还是来自现实世界的问题?您的系统是基于PC还是嵌入式处理器?您使用的是C还是C ++?
因为听起来很复杂，所以如果我要解决的话，我将制定出我想使用流程图执行的操作.如果需要在特定时间执行事件，则PC可以使用C ++中的计时器功能，但是在多任务系统的PC上，实时事件比较棘手.如果您使用的是嵌入式系统，那么它可能不适合您，因为它主要是基于PC的，但是如果我想在关键时刻控制工业过程，那么我将不使用PC，而是选择微处理器.我希望这会有所帮助.
祝你好运:)
Is this a theoretical (college) problem or one from the real world? Is you system based on a PC or an embedded processor? Are you using C or C++?
Since it sounds fairly complicated, if I was tackling it, I would work out what I wanted to do with a flow chart. If you need to perform events at particular times there are timer functions available in C++ for the PC, but real time events are tricky on a PC which is a multi tasking system. If you are using an embedded system this may not be the right forum for you as it is largely PC based, but if I wanted to control an Industrial process with critical timing I would not use a PC, I would choose a microprocessor. I hope this helps a little.
Best of Luck :)
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