IQ.Pilot Release Commit @ 4fcea4d

selfdrive/controls/tests/test_following_distance.py

@@ -0,0 +1,45 @@
+import pytest
+import itertools
+from parameterized import parameterized_class
+
+from cereal import log
+
+from openpilot.selfdrive.controls.lib.longitudinal_mpc_lib.long_mpc import get_safe_obstacle_distance, get_stopped_equivalence_factor, get_T_FOLLOW
+from openpilot.selfdrive.test.longitudinal_maneuvers.maneuver import Maneuver
+
+
+def desired_follow_distance(v_ego, v_lead, t_follow=None):
+  if t_follow is None:
+    t_follow = get_T_FOLLOW()
+  return get_safe_obstacle_distance(v_ego, t_follow) - get_stopped_equivalence_factor(v_lead)
+
+def run_following_distance_simulation(v_lead, t_end=100.0, e2e=False, personality=0):
+  man = Maneuver(
+    '',
+    duration=t_end,
+    initial_speed=float(v_lead),
+    lead_relevancy=True,
+    initial_distance_lead=100,
+    speed_lead_values=[v_lead],
+    breakpoints=[0.],
+    e2e=e2e,
+    personality=personality,
+  )
+  valid, output = man.evaluate()
+  assert valid
+  return output[-1,2] - output[-1,1]
+
+
+@parameterized_class(("e2e", "personality", "speed"), itertools.product(
+                      [True, False], # e2e
+                      [log.LongitudinalPersonality.relaxed, # personality
+                       log.LongitudinalPersonality.standard,
+                       log.LongitudinalPersonality.aggressive],
+                      [0,10,35])) # speed
+class TestFollowingDistance:
+  def test_following_distance(self):
+    v_lead = float(self.speed)
+    simulation_steady_state = run_following_distance_simulation(v_lead, e2e=self.e2e, personality=self.personality)
+    correct_steady_state = desired_follow_distance(v_lead, v_lead, get_T_FOLLOW(self.personality))
+    err_ratio = 0.2 if self.e2e else 0.1
+    assert simulation_steady_state == pytest.approx(correct_steady_state, abs=err_ratio * correct_steady_state + .5)

selfdrive/controls/tests/test_latcontrol.py

@@ -0,0 +1,55 @@
+from parameterized import parameterized
+
+from cereal import car, log
+from opendbc.car.car_helpers import interfaces
+from opendbc.car.honda.values import CAR as HONDA
+from opendbc.car.toyota.values import CAR as TOYOTA
+from opendbc.car.nissan.values import CAR as NISSAN
+from opendbc.car.gm.values import CAR as GM
+from opendbc.car.vehicle_model import VehicleModel
+from openpilot.common.realtime import DT_CTRL
+from openpilot.selfdrive.car.helpers import convert_to_capnp
+from openpilot.selfdrive.controls.lib.latcontrol_pid import LatControlPID
+from openpilot.selfdrive.controls.lib.latcontrol_torque import LatControlTorque
+from openpilot.selfdrive.controls.lib.latcontrol_angle import LatControlAngle
+from openpilot.selfdrive.locationd.helpers import Pose
+from openpilot.common.mock.generators import generate_livePose
+from openpilot.iqpilot.selfdrive.car import interfaces as iqpilot_interfaces
+
+
+class TestLatControl:
+
+  @parameterized.expand([(HONDA.HONDA_CIVIC, LatControlPID), (TOYOTA.TOYOTA_RAV4, LatControlTorque),
+                         (NISSAN.NISSAN_LEAF, LatControlAngle), (GM.CHEVROLET_BOLT_EUV, LatControlTorque)])
+  def test_saturation(self, car_name, controller):
+    CarInterface = interfaces[car_name]
+    CP = CarInterface.get_non_essential_params(car_name)
+    CP_IQ = CarInterface.get_non_essential_params_iq(CP, car_name)
+    CI = CarInterface(CP, CP_IQ)
+    iqpilot_interfaces.setup_interfaces(CI)
+    CP_IQ = convert_to_capnp(CP_IQ)
+    VM = VehicleModel(CP)
+
+    controller = controller(CP.as_reader(), CP_IQ.as_reader(), CI, DT_CTRL)
+
+    CS = car.CarState.new_message()
+    CS.vEgo = 30
+    CS.steeringPressed = False
+
+    params = log.LiveParametersData.new_message()
+
+    lp = generate_livePose()
+    pose = Pose.from_live_pose(lp.livePose)
+
+    # Saturate for curvature limited and controller limited
+    for _ in range(1000):
+      _, _, lac_log = controller.update(True, CS, VM, params, False, 0, pose, True, 0.2)
+    assert lac_log.saturated
+
+    for _ in range(1000):
+      _, _, lac_log = controller.update(True, CS, VM, params, False, 0, pose, False, 0.2)
+    assert not lac_log.saturated
+
+    for _ in range(1000):
+      _, _, lac_log = controller.update(True, CS, VM, params, False, 1, pose, False, 0.2)
+    assert lac_log.saturated

selfdrive/controls/tests/test_latcontrol_torque_buffer.py

@@ -0,0 +1,47 @@
+from parameterized import parameterized
+
+from cereal import car, log
+from opendbc.car.car_helpers import interfaces
+from opendbc.car.toyota.values import CAR as TOYOTA
+from opendbc.car.vehicle_model import VehicleModel
+from openpilot.common.realtime import DT_CTRL
+from openpilot.selfdrive.controls.lib.latcontrol_torque import LatControlTorque, LAT_ACCEL_REQUEST_BUFFER_SECONDS
+
+from openpilot.selfdrive.car.helpers import convert_to_capnp
+from openpilot.selfdrive.locationd.helpers import Pose
+from openpilot.common.mock.generators import generate_livePose
+from openpilot.iqpilot.selfdrive.car import interfaces as iqpilot_interfaces
+
+def get_controller(car_name):
+  CarInterface = interfaces[car_name]
+  CP = CarInterface.get_non_essential_params(car_name)
+  CP_IQ = CarInterface.get_non_essential_params_iq(CP, car_name)
+  CI = CarInterface(CP, CP_IQ)
+  iqpilot_interfaces.setup_interfaces(CI)
+  CP_IQ = convert_to_capnp(CP_IQ)
+  VM = VehicleModel(CP)
+  controller = LatControlTorque(CP.as_reader(), CP_IQ.as_reader(), CI, DT_CTRL)
+  return controller, VM
+
+class TestLatControlTorqueBuffer:
+
+  @parameterized.expand([(TOYOTA.TOYOTA_COROLLA_TSS2,)])
+  def test_request_buffer_consistency(self, car_name):
+    buffer_steps = int(LAT_ACCEL_REQUEST_BUFFER_SECONDS / DT_CTRL)
+    controller, VM = get_controller(car_name)
+
+    CS = car.CarState.new_message()
+    CS.vEgo = 30
+    CS.steeringPressed = False
+    params = log.LiveParametersData.new_message()
+
+    lp = generate_livePose()
+    pose = Pose.from_live_pose(lp.livePose)
+
+    for _ in range(buffer_steps):
+      controller.update(True, CS, VM, params, False, 0.001, pose, False, 0.2)
+    assert all(val != 0 for val in controller.lat_accel_request_buffer)
+
+    for _ in range(buffer_steps):
+      controller.update(False, CS, VM, params, False, 0.0, pose, False, 0.2)
+    assert all(val == 0 for val in controller.lat_accel_request_buffer)

selfdrive/controls/tests/test_lateral_mpc.py

@@ -0,0 +1,85 @@
+import pytest
+import numpy as np
+from openpilot.selfdrive.controls.lib.lateral_mpc_lib.lat_mpc import LateralMpc
+from openpilot.selfdrive.controls.lib.drive_helpers import CAR_ROTATION_RADIUS
+from openpilot.selfdrive.controls.lib.lateral_mpc_lib.lat_mpc import N as LAT_MPC_N
+
+
+def run_mpc(lat_mpc=None, v_ref=30., x_init=0., y_init=0., psi_init=0., curvature_init=0.,
+            lane_width=3.6, poly_shift=0.):
+
+  if lat_mpc is None:
+    lat_mpc = LateralMpc()
+  lat_mpc.set_weights(1., .1, 0.0, .05, 800)
+
+  y_pts = poly_shift * np.ones(LAT_MPC_N + 1)
+  heading_pts = np.zeros(LAT_MPC_N + 1)
+  curv_rate_pts = np.zeros(LAT_MPC_N + 1)
+
+  x0 = np.array([x_init, y_init, psi_init, curvature_init])
+  p = np.column_stack([v_ref * np.ones(LAT_MPC_N + 1),
+                      CAR_ROTATION_RADIUS * np.ones(LAT_MPC_N + 1)])
+
+  # converge in no more than 10 iterations
+  for _ in range(10):
+    lat_mpc.run(x0, p,
+                y_pts, heading_pts, curv_rate_pts)
+  return lat_mpc.x_sol
+
+
+class TestLateralMpc:
+
+  def _assert_null(self, sol, curvature=1e-6):
+    for i in range(len(sol)):
+      assert sol[0,i,1] == pytest.approx(0, abs=curvature)
+      assert sol[0,i,2] == pytest.approx(0, abs=curvature)
+      assert sol[0,i,3] == pytest.approx(0, abs=curvature)
+
+  def _assert_simmetry(self, sol, curvature=1e-6):
+    for i in range(len(sol)):
+      assert sol[0,i,1] == pytest.approx(-sol[1,i,1], abs=curvature)
+      assert sol[0,i,2] == pytest.approx(-sol[1,i,2], abs=curvature)
+      assert sol[0,i,3] == pytest.approx(-sol[1,i,3], abs=curvature)
+      assert sol[0,i,0] == pytest.approx(sol[1,i,0], abs=curvature)
+
+  def test_straight(self):
+    sol = run_mpc()
+    self._assert_null(np.array([sol]))
+
+  def test_y_symmetry(self):
+    sol = []
+    for y_init in [-0.5, 0.5]:
+      sol.append(run_mpc(y_init=y_init))
+    self._assert_simmetry(np.array(sol))
+
+  def test_poly_symmetry(self):
+    sol = []
+    for poly_shift in [-1., 1.]:
+      sol.append(run_mpc(poly_shift=poly_shift))
+    self._assert_simmetry(np.array(sol))
+
+  def test_curvature_symmetry(self):
+    sol = []
+    for curvature_init in [-0.1, 0.1]:
+      sol.append(run_mpc(curvature_init=curvature_init))
+    self._assert_simmetry(np.array(sol))
+
+  def test_psi_symmetry(self):
+    sol = []
+    for psi_init in [-0.1, 0.1]:
+      sol.append(run_mpc(psi_init=psi_init))
+    self._assert_simmetry(np.array(sol))
+
+  def test_no_overshoot(self):
+    y_init = 1.
+    sol = run_mpc(y_init=y_init)
+    for y in list(sol[:,1]):
+      assert y_init >= abs(y)
+
+  def test_switch_convergence(self):
+    lat_mpc = LateralMpc()
+    sol = run_mpc(lat_mpc=lat_mpc, poly_shift=3.0, v_ref=7.0)
+    right_psi_deg = np.degrees(sol[:,2])
+    sol = run_mpc(lat_mpc=lat_mpc, poly_shift=-3.0, v_ref=7.0)
+    left_psi_deg = np.degrees(sol[:,2])
+    np.testing.assert_almost_equal(right_psi_deg, -left_psi_deg, decimal=3)

selfdrive/controls/tests/test_leads.py

@@ -0,0 +1,31 @@
+import cereal.messaging as messaging
+
+from opendbc.car.toyota.values import CAR as TOYOTA
+from openpilot.selfdrive.test.process_replay import replay_process_with_name
+
+
+class TestLeads:
+  def test_radar_fault(self):
+    # if there's no radar-related can traffic, radard should either not respond or respond with an error
+    # this is tightly coupled with underlying car radar_interface implementation, but it's a good sanity check
+    def single_iter_pkg():
+      # single iter package, with meaningless cans and empty carState/modelV2
+      msgs = []
+      for _ in range(500):
+        can = messaging.new_message("can", 1)
+        cs = messaging.new_message("carState")
+        cp = messaging.new_message("carParams")
+        msgs.append(can.as_reader())
+        msgs.append(cs.as_reader())
+        msgs.append(cp.as_reader())
+      model = messaging.new_message("modelV2")
+      msgs.append(model.as_reader())
+
+      return msgs
+
+    msgs = [m for _ in range(3) for m in single_iter_pkg()]
+    out = replay_process_with_name("card", msgs, fingerprint=TOYOTA.TOYOTA_COROLLA_TSS2)
+    states = [m for m in out if m.which() == "liveTracks"]
+    failures = [not state.valid for state in states]
+
+    assert len(states) == 0 or all(failures)

selfdrive/controls/tests/test_longcontrol.py

@@ -0,0 +1,59 @@
+from cereal import car, custom
+from openpilot.selfdrive.controls.lib.longcontrol import LongCtrlState, long_control_state_trans
+
+
+
+
+class TestLongControlStateTransition:
+
+  def test_stay_stopped(self):
+    CP = car.CarParams.new_message()
+    CP_IQ = custom.IQCarParams.new_message()
+    active = True
+    current_state = LongCtrlState.stopping
+    next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=0.1,
+                             should_stop=True, brake_pressed=False, cruise_standstill=False)
+    assert next_state == LongCtrlState.stopping
+    next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=0.1,
+                             should_stop=False, brake_pressed=True, cruise_standstill=False)
+    assert next_state == LongCtrlState.stopping
+    next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=0.1,
+                             should_stop=False, brake_pressed=False, cruise_standstill=True)
+    assert next_state == LongCtrlState.stopping
+    next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=1.0,
+                             should_stop=False, brake_pressed=False, cruise_standstill=False)
+    assert next_state == LongCtrlState.pid
+    active = False
+    next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=1.0,
+                             should_stop=False, brake_pressed=False, cruise_standstill=False)
+    assert next_state == LongCtrlState.off
+
+def test_engage():
+  CP = car.CarParams.new_message()
+  CP_IQ = custom.IQCarParams.new_message()
+  active = True
+  current_state = LongCtrlState.off
+  next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=0.1,
+                             should_stop=True, brake_pressed=False, cruise_standstill=False)
+  assert next_state == LongCtrlState.stopping
+  next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=0.1,
+                             should_stop=False, brake_pressed=True, cruise_standstill=False)
+  assert next_state == LongCtrlState.stopping
+  next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=0.1,
+                             should_stop=False, brake_pressed=False, cruise_standstill=True)
+  assert next_state == LongCtrlState.stopping
+  next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=0.1,
+                             should_stop=False, brake_pressed=False, cruise_standstill=False)
+  assert next_state == LongCtrlState.pid
+
+def test_starting():
+  CP = car.CarParams.new_message(startingState=True, vEgoStarting=0.5)
+  CP_IQ = custom.IQCarParams.new_message()
+  active = True
+  current_state = LongCtrlState.starting
+  next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=0.1,
+                             should_stop=False, brake_pressed=False, cruise_standstill=False)
+  assert next_state == LongCtrlState.starting
+  next_state = long_control_state_trans(CP, CP_IQ, active, current_state, v_ego=1.0,
+                             should_stop=False, brake_pressed=False, cruise_standstill=False)
+  assert next_state == LongCtrlState.pid

selfdrive/controls/tests/test_torqued_lat_accel_offset.py

@@ -0,0 +1,70 @@
+import numpy as np
+from cereal import car, messaging
+from opendbc.car import ACCELERATION_DUE_TO_GRAVITY
+from opendbc.car import structs
+from opendbc.car.lateral import get_friction, FRICTION_THRESHOLD
+from openpilot.common.realtime import DT_MDL
+from openpilot.selfdrive.locationd.torqued import TorqueEstimator, MIN_BUCKET_POINTS, POINTS_PER_BUCKET, STEER_BUCKET_BOUNDS
+
+np.random.seed(0)
+
+LA_ERR_STD = 1.0
+INPUT_NOISE_STD = 0.08
+V_EGO = 30.0
+
+WARMUP_BUCKET_POINTS = (1.5*MIN_BUCKET_POINTS).astype(int)
+STRAIGHT_ROAD_LA_BOUNDS = (0.02, 0.03)
+
+ROLL_BIAS_DEG = 2.0
+ROLL_COMPENSATION_BIAS = ACCELERATION_DUE_TO_GRAVITY*float(np.sin(np.deg2rad(ROLL_BIAS_DEG)))
+TORQUE_TUNE = structs.CarParams.LateralTorqueTuning(latAccelFactor=2.0, latAccelOffset=0.0, friction=0.2)
+TORQUE_TUNE_BIASED = structs.CarParams.LateralTorqueTuning(latAccelFactor=2.0, latAccelOffset=-ROLL_COMPENSATION_BIAS, friction=0.2)
+
+def generate_inputs(torque_tune, la_err_std, input_noise_std=None):
+  rng = np.random.default_rng(0)
+  steer_torques = np.concat([rng.uniform(bnd[0], bnd[1], pts) for bnd, pts in zip(STEER_BUCKET_BOUNDS, WARMUP_BUCKET_POINTS, strict=True)])
+  la_errs = rng.normal(scale=la_err_std, size=steer_torques.size)
+  frictions = np.array([get_friction(la_err, 0.0, FRICTION_THRESHOLD, torque_tune) for la_err in la_errs])
+  lat_accels = torque_tune.latAccelFactor*steer_torques + torque_tune.latAccelOffset + frictions
+  if input_noise_std is not None:
+    steer_torques += rng.normal(scale=input_noise_std, size=steer_torques.size)
+    lat_accels += rng.normal(scale=input_noise_std, size=steer_torques.size)
+  return steer_torques, lat_accels
+
+def get_warmed_up_estimator(steer_torques, lat_accels):
+  est = TorqueEstimator(car.CarParams())
+  for steer_torque, lat_accel in zip(steer_torques, lat_accels, strict=True):
+    est.filtered_points.add_point(steer_torque, lat_accel)
+  return est
+
+def simulate_straight_road_msgs(est):
+  carControl = messaging.new_message('carControl').carControl
+  carOutput = messaging.new_message('carOutput').carOutput
+  carState = messaging.new_message('carState').carState
+  livePose = messaging.new_message('livePose').livePose
+  carControl.latActive = True
+  carState.vEgo = V_EGO
+  carState.steeringPressed = False
+  ts = DT_MDL*np.arange(2*POINTS_PER_BUCKET)
+  steer_torques = np.concat((np.linspace(-0.03, -0.02, POINTS_PER_BUCKET), np.linspace(0.02, 0.03, POINTS_PER_BUCKET)))
+  lat_accels = TORQUE_TUNE.latAccelFactor * steer_torques
+  for t, steer_torque, lat_accel in zip(ts, steer_torques, lat_accels, strict=True):
+    carOutput.actuatorsOutput.torque = float(-steer_torque)
+    livePose.orientationNED.x = float(np.deg2rad(ROLL_BIAS_DEG))
+    livePose.angularVelocityDevice.z = float(lat_accel / V_EGO)
+    for which, msg in (('carControl', carControl), ('carOutput', carOutput), ('carState', carState), ('livePose', livePose)):
+      est.handle_log(t, which, msg)
+
+def test_estimated_offset():
+  steer_torques, lat_accels = generate_inputs(TORQUE_TUNE_BIASED, la_err_std=LA_ERR_STD, input_noise_std=INPUT_NOISE_STD)
+  est = get_warmed_up_estimator(steer_torques, lat_accels)
+  msg = est.get_msg()
+  # TODO add lataccelfactor and friction check when we have more accurate estimates
+  assert abs(msg.liveTorqueParameters.latAccelOffsetRaw - TORQUE_TUNE_BIASED.latAccelOffset) < 0.1
+
+def test_straight_road_roll_bias():
+  steer_torques, lat_accels = generate_inputs(TORQUE_TUNE, la_err_std=LA_ERR_STD, input_noise_std=INPUT_NOISE_STD)
+  est = get_warmed_up_estimator(steer_torques, lat_accels)
+  simulate_straight_road_msgs(est)
+  msg = est.get_msg()
+  assert (msg.liveTorqueParameters.latAccelOffsetRaw < -0.05) and np.isfinite(msg.liveTorqueParameters.latAccelOffsetRaw)