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74b1458 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | """Drive the Esco fume hood (CHEM-199) through its contract API.
The agent raises the sash, notices that the uncalibrated airflow monitor reads low,
measures the face velocity with a handheld anemometer and calibrates the monitor.
Run from the repository root: python examples/quickstart_fume_hood.py
"""
import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).resolve().parents[1] / "scripts"))
from asset_runtime import esco_efa5uduvw as rt # noqa: E402
hood = rt.EscoEfa5uduvwRuntime("hood_01")
hood.register_principal("lab", "evaluator") # sets up the world and can see hidden truth
hood.register_principal("robot", "agent") # sees only what a policy may see
lab, robot = hood.session("lab"), hood.session("robot")
_n = 0
def call(session, capability, **arguments):
global _n
_n += 1
r = session.invoke(instance_id="hood_01", capability_id=capability, arguments=arguments, request_id=f"r{_n}")
if r["status"] != "succeeded":
raise RuntimeError(f"{capability}: {r['error']}")
return r["result"]
def show(label):
obs = robot.read(instance_id="hood_01", state_ids=["monitor.reading_m_s", "monitor.alarm"])["observations"]
print(f"{label:20s} reading {obs['monitor.reading_m_s']['value']:.2f} m/s alarm {obs['monitor.alarm']['value'] or 'none'}")
call(lab, "plant.configure", **rt.PLANT_EXAMPLE) # ambient 295.15 K, 101.325 kPa
call(lab, "exhaust.configure", **rt.EXHAUST_EXAMPLE) # building exhaust, damper half open
call(robot, "light.set", on=True)
call(robot, "sash.set", height_m=0.457) # raise the sash to the 18-inch stop
call(lab, "sim.step", dt_s=30.0) # let the airflow settle
show("before calibration")
v = call(robot, "anemometer.measure")["face_velocity_m_s"] # 18-point traverse of the sash opening
print(f"{'anemometer':20s} {v:.3f} m/s")
call(robot, "monitor.calibrate", reference_m_s=round(v, 3))
call(lab, "sim.step", dt_s=10.0)
show("after calibration")
print("agent-visible capabilities:", len(robot.describe(instance_id="hood_01")["capabilities"]))
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