carrot/selfdrive/frogpilot/controls/frogpilot_planner.py
FrogAi 856c3c4214 Controls - Longitudinal Tuning - Acceleration Profile
Change the acceleration rate to be either sporty or eco-friendly.
2024-06-01 02:34:40 -07:00

137 lines
6.6 KiB
Python

import numpy as np
import cereal.messaging as messaging
from cereal import car, log
from openpilot.common.conversions import Conversions as CV
from openpilot.common.numpy_fast import interp
from openpilot.common.params import Params
from openpilot.selfdrive.car.interfaces import ACCEL_MIN, ACCEL_MAX
from openpilot.selfdrive.controls.lib.drive_helpers import V_CRUISE_UNSET
from openpilot.selfdrive.controls.lib.longitudinal_mpc_lib.long_mpc import A_CHANGE_COST, J_EGO_COST, COMFORT_BRAKE, STOP_DISTANCE, get_jerk_factor, \
get_safe_obstacle_distance, get_stopped_equivalence_factor, get_T_FOLLOW
from openpilot.selfdrive.controls.lib.longitudinal_planner import A_CRUISE_MIN, Lead, get_max_accel
from openpilot.selfdrive.frogpilot.controls.lib.conditional_experimental_mode import ConditionalExperimentalMode
from openpilot.selfdrive.frogpilot.controls.lib.frogpilot_functions import calculate_lane_width, calculate_road_curvature
from openpilot.selfdrive.frogpilot.controls.lib.frogpilot_variables import CITY_SPEED_LIMIT, CRUISING_SPEED
GearShifter = car.CarState.GearShifter
# Acceleration profiles - Credit goes to the DragonPilot team!
# MPH = [0., 6.71, 13.4, 17.9, 24.6, 33.6, 44.7, 55.9, 89.5]
A_CRUISE_MAX_BP_CUSTOM = [0., 3, 6., 8., 11., 15., 20., 25., 40.]
A_CRUISE_MAX_VALS_ECO = [3.5, 3.2, 2.3, 2.0, 1.15, .80, .58, .36, .30]
A_CRUISE_MAX_VALS_SPORT = [3.5, 3.5, 3.3, 2.8, 1.5, 1.0, 0.75, 0.65, 0.6]
def get_max_accel_eco(v_ego):
return interp(v_ego, A_CRUISE_MAX_BP_CUSTOM, A_CRUISE_MAX_VALS_ECO)
def get_max_accel_sport(v_ego):
return interp(v_ego, A_CRUISE_MAX_BP_CUSTOM, A_CRUISE_MAX_VALS_SPORT)
class FrogPilotPlanner:
def __init__(self):
self.params_memory = Params("/dev/shm/params")
self.cem = ConditionalExperimentalMode()
self.slower_lead = False
self.acceleration_jerk = 0
self.frame = 0
self.road_curvature = 0
self.speed_jerk = 0
def update(self, carState, controlsState, frogpilotCarControl, frogpilotCarState, frogpilotNavigation, liveLocationKalman, modelData, radarState, frogpilot_toggles):
self.lead_one = radarState.leadOne
v_cruise_kph = min(controlsState.vCruise, V_CRUISE_UNSET)
v_cruise = v_cruise_kph * CV.KPH_TO_MS
v_ego = max(carState.vEgo, 0)
v_lead = self.lead_one.vLead
lead_distance = self.lead_one.dRel
if frogpilot_toggles.acceleration_profile == 1:
self.max_accel = get_max_accel_eco(v_ego)
elif frogpilot_toggles.acceleration_profile in (2, 3):
self.max_accel = get_max_accel_sport(v_ego)
elif controlsState.experimentalMode:
self.max_accel = ACCEL_MAX
else:
self.max_accel = get_max_accel(v_ego)
check_lane_width = frogpilot_toggles.lane_detection
if check_lane_width and v_ego >= frogpilot_toggles.minimum_lane_change_speed:
self.lane_width_left = float(calculate_lane_width(modelData.laneLines[0], modelData.laneLines[1], modelData.roadEdges[0]))
self.lane_width_right = float(calculate_lane_width(modelData.laneLines[3], modelData.laneLines[2], modelData.roadEdges[1]))
else:
self.lane_width_left = 0
self.lane_width_right = 0
self.base_acceleration_jerk, self.base_speed_jerk = get_jerk_factor(frogpilot_toggles.custom_personalities,
frogpilot_toggles.aggressive_jerk_acceleration, frogpilot_toggles.aggressive_jerk_speed,
frogpilot_toggles.standard_jerk_acceleration, frogpilot_toggles.standard_jerk_speed,
frogpilot_toggles.relaxed_jerk_acceleration, frogpilot_toggles.relaxed_jerk_speed,
controlsState.personality)
self.t_follow = get_T_FOLLOW(frogpilot_toggles.custom_personalities, frogpilot_toggles.aggressive_follow,
frogpilot_toggles.standard_follow, frogpilot_toggles.relaxed_follow, controlsState.personality)
if self.lead_one.status:
self.update_follow_values(lead_distance, stopping_distance, v_ego, v_lead, frogpilot_toggles)
else:
self.acceleration_jerk = self.base_acceleration_jerk
self.speed_jerk = self.base_speed_jerk
self.road_curvature = calculate_road_curvature(modelData, v_ego)
self.v_cruise = self.update_v_cruise(carState, controlsState, frogpilotCarState, frogpilotNavigation, liveLocationKalman, modelData, v_cruise, v_ego, frogpilot_toggles)
if frogpilot_toggles.conditional_experimental_mode:
self.cem.update(carState, controlsState.enabled, frogpilotNavigation, lead_distance, self.lead_one, modelData, self.road_curvature, self.slower_lead, v_ego, v_lead, frogpilot_toggles)
self.frame += 1
def update_follow_values(self, lead_distance, stopping_distance, v_ego, v_lead, frogpilot_toggles):
# Offset by FrogAi for FrogPilot for a more natural approach to a slower lead
if frogpilot_toggles.conditional_experimental_mode and v_lead < v_ego:
distance_factor = max(lead_distance - (v_lead * self.t_follow), 1)
braking_offset = np.clip((v_ego - v_lead) - COMFORT_BRAKE, 1, distance_factor)
self.slower_lead = max(braking_offset, 1) > 1
def update_v_cruise(self, carState, controlsState, frogpilotCarState, frogpilotNavigation, liveLocationKalman, modelData, v_cruise, v_ego, frogpilot_toggles):
v_cruise_cluster = max(controlsState.vCruiseCluster, controlsState.vCruise) * CV.KPH_TO_MS
v_cruise_diff = v_cruise_cluster - v_cruise
v_ego_cluster = max(carState.vEgoCluster, v_ego)
v_ego_diff = v_ego_cluster - v_ego
targets = []
filtered_targets = [target if target > CRUISING_SPEED else v_cruise for target in targets]
return min(filtered_targets)
def publish(self, sm, pm, frogpilot_toggles):
frogpilot_plan_send = messaging.new_message('frogpilotPlan')
frogpilot_plan_send.valid = sm.all_checks(service_list=['carState', 'controlsState'])
frogpilotPlan = frogpilot_plan_send.frogpilotPlan
frogpilotPlan.accelerationJerk = A_CHANGE_COST * float(self.acceleration_jerk)
frogpilotPlan.accelerationJerkStock = A_CHANGE_COST * float(self.base_acceleration_jerk)
frogpilotPlan.speedJerk = J_EGO_COST * float(self.speed_jerk)
frogpilotPlan.speedJerkStock = J_EGO_COST * float(self.base_speed_jerk)
frogpilotPlan.tFollow = float(self.t_follow)
frogpilotPlan.conditionalExperimental = self.cem.experimental_mode
frogpilotPlan.maxAcceleration = self.max_accel
frogpilotPlan.vCruise = float(self.v_cruise)
pm.send('frogpilotPlan', frogpilot_plan_send)