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<p>Prof Bina,</p>
<p> Values of outputs at previous time steps can be obtained from
Type150 in the standard library or from Type661 in the TESS
Controllers library. I am not aware of any components that read
ahead in the weather data so obtaining Tsky (or anything else) at
time t+1 would require writing a new component.</p>
<p>kind regards,</p>
<p> David</p>
<p> <br>
</p>
<div class="moz-cite-prefix">On 10/26/2020 06:31, saeid
mohammadzadeh via TRNSYS-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CABCqxA+JcryZ-JH7=uDF=oUz595Qa+xirJZQpcx9K-6ymyNfxg@mail.gmail.com">
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<div class="gmail_default"
style="font-family:arial,helvetica,sans-serif;font-size:small">Hello
everyone, <br clear="all">
</div>
<div class="gmail_default"
style="font-family:arial,helvetica,sans-serif;font-size:small">I
hope you are doing well and safe from Covid-19. </div>
<div class="gmail_default"
style="font-family:arial,helvetica,sans-serif;font-size:small">I
am seeking a way to call a parameter's value at the desire
time step of running. For example, I wanna connect weather to
an equation component and write an if statement something like
this:</div>
<div class="gmail_default"
style="font-family:arial,helvetica,sans-serif;font-size:small">if
T_sky(t-1), which shows the temperature of the sky at the
previous hour (based on run time step). Or even t+1 for the
next time step. </div>
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<div
style="color:rgb(0,0,0)"><i
style="font-size:12.8px"><font size="2" color="#000000"><i><font
face="arial,
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Regards</font></i></font></i><br>
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<div
style="color:rgb(0,0,0)"><i><font
size="2"
face="arial,
helvetica,
sans-serif">Saeid
Mohammadzadeh
Bina, Dr. (Eng.)</font></i></div>
<div
style="color:rgb(0,0,0)"><i
style="font-size:12.8px;color:rgb(34,34,34)"><font size="2" face="times
new roman, new
york, times,
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color="#000000"><i><font
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color="#000000">-------------------------------------------------</font></i></font></i></div>
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<div
align="left"><em><font
face="times
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<var></var>University</font></em><br>
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<div
align="left"><span
style="font-family:"Times New Roman",serif"><i>Graduate
school of
International
Resource
Sciences</i></span><font
face="times
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roman,serif"><em>.<br>
1-1 Tegata
gakuen-machi,
Akita
010-8502,
Japan</em></font></div>
<div
align="left"><font
face="times
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roman,serif"><em>Tel: </em></font><em
style="font-family:"times new roman",serif">+815068665026
(Japan)</em></div>
<div
align="left"><em
style="font-family:"times new roman",serif">
+989141011757
(Iran)</em><em
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</font></font></div>
<div align="left"><font
style="font-size:16px" size="3" face="garamond, new york, times, serif"><em>E-mail: </em></font><a
href="mailto:s.mohammadzadeh66@gmail.com" target="_blank"
moz-do-not-send="true"><em>d9515254@s.akita-u.ac.jp</em></a><em
style="font-size:16px"> </em></div>
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<a
href="mailto:mohammadzadehsaeid@yahoo.com"
rel="nofollow"
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york",times,serif;font-size:medium;background-color:rgba(0,0,0,0);margin:0px;padding:0px;color:blue"
target="_blank" moz-do-not-send="true">mohammadzadehsaeid@yahoo.com</a></em></div>
</font><font
style="font-size:16px"
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times, serif"
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<div
style="font-family:HelveticaNeue,"Helvetica
Neue",Helvetica,Arial,"Lucida
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