Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Clone of A Stock with Two Competing Balancing Loops, a thermostat
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Loop B2
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Loop B2
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Clone 1 A Stock with Two Competing Balancing Loops, a thermostat
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
loop B2
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
LoopB1_2026
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
loop B1
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
loopB1-B2
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
B2_2026
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
loop B1
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Two Competing Balancing Loops
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Clone of A Stock with Two Competing Balancing Loops, a thermostat
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Clone of A Stock with Two Competing Balancing Loops, a thermostat
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Clone of A Stock with Two Competing Balancing Loops, a thermostat
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Clone of A Stock with Two Competing Balancing Loops, a thermostat
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Clone of A Stock with Two Competing Balancing Loops, a thermostat
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Clone of A Stock with Two Competing Balancing Loops, a thermostat
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
Clone of A Stock with Two Competing Balancing Loops, a thermostat
Learning exercise adapted from Donella Meadows "Thinking in Systems," Part One: Systems Structure and Behavior. The example is a single stock system (room temperature) managed by two competing goal-seeking balancing loops, each of which is attempting to pull the stock to a different goal.
loop B2
A pipe delay between the tap and the shower head makes a simple negative feedback oscillate.
The shower: one negative feedback, one lag (ESM 203)
A heat stock under daily periodic forcing: the warmest hour comes after noon.
Diurnal temperature lag (ESM 203)
A heat stock under annual periodic forcing: the warmest month comes after the solstice.
Seasonal temperature lag (ESM 203)
One-box energy balance model of Earth's surface temperature, with a feedback ledger.
Planetary heat bathtub (ESM 203)
