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yiliao2026/src/gc_navigation2_slamtoolbox/config/slam_toolbox_async.yaml

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slam_toolbox:
ros__parameters:
# ============================ Solver 插件参数 ======================================
solver_plugin: solver_plugins::CeresSolver
ceres_linear_solver: SPARSE_NORMAL_CHOLESKY
ceres_preconditioner: SCHUR_JACOBI
ceres_trust_strategy: LEVENBERG_MARQUARDT
ceres_dogleg_type: TRADITIONAL_DOGLEG
ceres_loss_function: None
# ============================ ROS 基础参数 =========================================
odom_frame: odom # 里程计坐标系
map_frame: map # 地图坐标系
base_frame: base_link # 机器人基座坐标系(与 URDF 根帧一致)
scan_topic: /scan # 激光雷达话题
use_map_saver: true # 启用地图保存功能
mode: mapping # mapping = 定位 + 实时建图(地图可更新)
# ============================ 已有地图加载(在其基础上继续更新)==========================
# 启动时暂不加载(注释掉),通过服务在启动后手动加载:
# ros2 service call /slam_toolbox/deserialize_map slam_toolbox/srv/DeserializePoseGraph "{filename: '/home/guoch/test_ws/src/gc_navigation2_slamtoolbox/maps/my_map.posegraph', match_type: 1}"
# map_file_name: /home/guoch/test_ws/src/gc_navigation2_slamtoolbox/maps/my_map.posegraph
map_start_pose: [-2.0, -2.0, 0.0] # 初始位姿 [x, y, yaw]map 坐标系下)
# map_start_at_dock: true # 或从 docking 位姿启动(与 pose 互斥)
# ============================ 调试与性能 ===========================================
debug_logging: false # 调试日志(生产环境关闭)
throttle_scans: 10 # 每 N 帧激光处理一次1=全部处理)
transform_publish_period: 0.02 # TF 发布周期0=不发布里程计
map_update_interval: 3.0 # /map 话题更新间隔(秒),越小越实时
resolution: 0.05 # 地图分辨率(米/像素)
restamp_tf: false # 是否重新打时间戳
min_laser_range: 0.0 # 激光最小有效距离(米)
max_laser_range: 20.0 # 激光最大有效距离(米)
minimum_time_interval: 0.5 # 最小处理时间间隔(秒)
transform_timeout: 0.2 # TF 查找超时(秒)
tf_buffer_duration: 30.0 # TF 缓冲区时长(秒)
stack_size_to_use: 40000000 # 栈大小(序列化大地图需要)
enable_interactive_mode: true # 交互模式:允许外部工具编辑地图
# ============================ 通用建图参数 =========================================
use_scan_matching: true # 启用扫描匹配
use_scan_barycenter: true # 使用扫描重心
minimum_travel_distance: 0.1 # 最小移动距离触发处理(米)
minimum_travel_heading: 0.1 # 最小转向角度触发处理(弧度)
check_min_dist_and_heading_precisely: false
scan_buffer_size: 5 # 扫描缓冲区大小(越大匹配越稳定)
scan_buffer_maximum_scan_distance: 5.0 # 缓冲区最大扫描距离
link_match_minimum_response_fine: 0.1 # 精细匹配最小响应
link_scan_maximum_distance: 1.5 # 链接扫描最大距离
# ============================ 回环检测参数 =========================================
do_loop_closing: true # 启用回环检测(消除累积误差)
loop_match_minimum_chain_size: 10 # 最小回环链大小
loop_match_maximum_variance_coarse: 3.0 # 粗匹配最大方差
loop_match_minimum_response_coarse: 0.35 # 粗匹配最小响应
loop_match_minimum_response_fine: 0.45 # 精细匹配最小响应
loop_search_maximum_distance: 3.0 # 回环搜索最大距离
# ============================ 相关性匹配 - 扫描匹配参数 ==============================
correlation_search_space_dimension: 0.5 # 搜索空间维度
correlation_search_space_resolution: 0.01 # 搜索空间分辨率
correlation_search_space_smear_deviation: 0.1 # 搜索空间平滑偏差
# ============================ 相关性匹配 - 回环检测参数 ==============================
loop_search_space_dimension: 8.0 # 回环搜索空间维度
loop_search_space_resolution: 0.05 # 回环搜索分辨率
loop_search_space_smear_deviation: 0.03 # 回环搜索平滑偏差
# ============================ 扫描匹配器参数 ========================================
distance_variance_penalty: 0.5 # 距离方差惩罚
angle_variance_penalty: 1.0 # 角度方差惩罚
fine_search_angle_offset: 0.00349 # 精细搜索角度偏移
coarse_search_angle_offset: 0.349 # 粗搜索角度偏移
coarse_angle_resolution: 0.0349 # 粗搜索角度分辨率
minimum_angle_penalty: 0.9 # 最小角度惩罚
minimum_distance_penalty: 0.5 # 最小距离惩罚
use_response_expansion: true # 使用响应扩展
min_pass_through: 2 # 最小通过次数
occupancy_threshold: 0.1 # 占据阈值