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<?php include 'setup.php'; $TEXT = ""; $mysqli = new mysqli("www.astacus.se", "carlhoffstedt", "Astacus2020!", "energicontrol"); // Find what cooling and heating cofficent is $from1 = date("Y-m-d",strtotime("0 days"))." 18:00:00"; $to1 = date("Y-m-d",strtotime("1 days"))." 17:00:00"; $today = date("Y-m-d",strtotime("0 days")); $sql = "SELECT * FROM tblForcast WHERE timeSeries >= '".$from1."' and timeSeries <= '".$to1."' and enteryDate = '".$today."' group by timeSeries order by timeSeries"; $result = $mysqli->query($sql); $x = 0; $t_effektiv = 0; $ws = 0; while($obj = $result->fetch_object()){ $t_effektiv += $obj->t_effektiv; $ws += $obj->ws; $x++; } $t_effektiv = $t_effektiv / $x; $ws = $ws / $x; echo("<br>".$sql."<br>"); echo("t_effektiv: ".$t_effektiv." ws: ".$ws); $from_ = date("Y-m-d\TH:00:00", strtotime("-7 days")); $sql = "select AVG(TempChange) as TempChange from tblEnergyLog2 OutsideTempWind WHERE Direction = 'Down' and TimeDate >= '$from_' order by abs(OutsideTempWind + (".$t_effektiv.")) desc"; $indoor_temp_drop_per_hour = 0; $result = $mysqli->query($sql); while($obj = $result->fetch_object()){ $indoor_temp_drop_per_hour = $obj->TempChange ; // Test } echo("<br>".$sql."<br>"); $sql = "select AVG(TempChange) as TempChange from tblEnergyLog2 OutsideTempWind WHERE Direction = 'Up' and TimeDate >= '$from_' order by abs(OutsideTempWind + (".$t_effektiv.")) desc"; $indoor_temp_increase_per_hour = 0; $result = $mysqli->query($sql); while($obj = $result->fetch_object()){ $indoor_temp_increase_per_hour = $obj->TempChange ; } echo("<br>".$sql."<br>"); if($indoor_temp_drop_per_hour == 0){ $indoor_temp_drop_per_hour = 0.300; } if($indoor_temp_increase_per_hour == 0){ $indoor_temp_increase_per_hour = 0.300; } $TEXT .= "Indoor temp drop is: $indoor_temp_drop_per_hour<br>"; $TEXT .= "Indoor temp increase is: $indoor_temp_increase_per_hour<br><br>"; $temp_diff = $indoor_temp_drop_per_hour + $indoor_temp_increase_per_hour; $TEXT .= "Off 1 hr, needs to be on for: (".$indoor_temp_drop_per_hour / $indoor_temp_increase_per_hour.") <br><br>"; $indoor_temp_drop_per_hour = $indoor_temp_drop_per_hour * ($indoor_temp_drop_per_hour / $indoor_temp_increase_per_hour); $temp_delta = $temp_drop; $hours_inrow = floor($temp_delta / $indoor_temp_drop_per_hour); $TEXT .="<br>Maximum hours without heat: ".$hours_inrow." h based on buildings cool down cofficient (".$indoor_temp_drop_per_hour.") degrees / hour<br><br>"; $TEXT .="Now, lets found hours in our table where the sequence of 0´s is more then ".$hours_inrow.". We find that at index: <br>"; echo($TEXT); ?>