Computer Control of a Greenhouse Pneumatic Heating and Ventilation System |
Contents
EXPERIMENTAL SETUP AND PROCEDURE | 3 |
4 | 28 |
FEEDBACK CONTROL ALGORITHM THEORY | 29 |
Copyright | |
10 other sections not shown
Common terms and phrases
actual adaptive addition adjustments air temperature allow application bits calculated Chapter climate coefficients combination Commodore constant control algorithm control system converter COUNTER crop described determined developed effects energy equation equipment error estimates experiments feedback Figure first-order function greenhouse temperature control grower growth heating and ventilation hot water House 5A implemented improve included increase initial input integrator levels limited LINE load located loop m₁ maximum measurement minutes NEXTK night operation output overshoot PDF control performance period PI algorithm pneumatic POKEML POKEZ possible presented pressure PRINT PRINT#3 procedure proportional proportional control range reference input response result RETURN sampling saturation seconds sensor setpoint signal solar radiation steam step supply SYSCLEOL SYSGTXY Temp temperature setpoint term thermostat tuning Udink ten Cate units valve variable voltage