From 88a66b8b2a1a4b548d5733d21e94f2fad73df1fe Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=A2=81=E8=96=84=E4=BA=91?= Date: Fri, 7 Aug 2026 11:10:16 +0800 Subject: [PATCH] docs: explain full-direction EM observation --- .../ParkrobTrajplanner/EMPlanner/README.md | 34 ++++++---- .../tarjplanner_movementtest/README.md | 64 +++++++++++++------ .../TrajectoryPlanningVisualization/README.md | 19 +++++- 3 files changed, 84 insertions(+), 33 deletions(-) diff --git a/ClumsyPilot/ParkrobTrajplanner/EMPlanner/README.md b/ClumsyPilot/ParkrobTrajplanner/EMPlanner/README.md index c0f26c5..17567d5 100644 --- a/ClumsyPilot/ParkrobTrajplanner/EMPlanner/README.md +++ b/ClumsyPilot/ParkrobTrajplanner/EMPlanner/README.md @@ -1,6 +1,6 @@ # EM Planner 轨迹规划 -`EMPlanner` 位于空间路径之后，针对一个已验证的前进或倒车方向段生成带时间、速度、曲率和终端语义的不可变 `EmTrajectory`。它执行静态走廊构建、LS 横向优化、ST 纵向优化、轨迹装配和独立世界空间复核；不读取 UI、定位、轮速、硬件、系统时钟或当前工作目录。 +`EMPlanner` 位于空间路径之后，针对一个已验证的前进或倒车方向段生成带时间、速度、曲率和终端语义的不可变 `EmTrajectory`。它执行静态走廊构建、LS 横向优化、ST 纵向优化、轨迹装配和独立世界空间复核，并显式支持 `FullDirectionSegment` 与 `RollingHorizon` 两种规划范围；不读取 UI、定位、轮速、硬件、系统时钟或当前工作目录。 ```text PlanningGridMap -> Hybrid A* CoarsePath -> Local G2 PathSmoothing @@ -32,7 +32,7 @@ EMPlanner/ ├── README.md ├── Configuration/ │ ├── EmPlannerConfiguration.cs # 不可变快照前的配置根与默认值 -│ ├── SchedulingConfiguration.cs # 0.20 s 重规划、6 s / 5 m 视界和输出时间步长 +│ ├── SchedulingConfiguration.cs # 0.20 s 重规划、滚动视窗、自适应 knot/发布上限和输出时间步长 │ ├── CorridorConfiguration.cs # 走廊采样、偏移和净空 │ ├── FrenetConfiguration.cs # 投影距离、分母和边界锚点容差 │ ├── LateralConfiguration.cs / LateralWeights.cs @@ -94,6 +94,9 @@ LS 的变量是 `l`、`dl`、`ddl` 和区间 `dddl`；它对静态走廊、导 | 静态走廊、LS、ST 或停车条件不可行 | `CorridorInfeasible`、`LateralInfeasible`、`LongitudinalInfeasible`、`StoppingDistanceInsufficient` | 空 | 不发布；由上层决定重试、停车或重新选路 | | 求解器不可用、超时、取消或发布复核失败 | `SolverUnavailable`、`SolverTimedOut`、`Cancelled`、`ValidationFailed`、`Failed` | 空 | 读取 `FailureReason`；不得使用中间轨迹 | | 已被更新周期替代 | `Superseded` | 空 | 由滚动协调器忽略旧结果 | +| 完整方向段无有效进度 | `NoProgress` | 空 | 不发布；仅真实终点容差内或受监督停车保持观察可合法零进度 | +| 完整方向段终端位姿超差 | `TerminalPoseMismatch` | 空 | 不发布；位置误差超过 `0.03 m` 或归一化 yaw 误差超过 `5°` | +| 自适应 knots 或发布样本超限 | `FullSegmentResourceLimitExceeded` | 空 | 不发布；不得截断轨迹或回退滚动模式 | `FailureReason` 始终以 `map=...;reference=...;state=...;previous=...;segment=...` 开头，供调用方追踪地图、参考路径、状态、上一轨迹和方向段绑定。 @@ -144,7 +147,8 @@ var request = new EmPlanningRequest( segmentIndex: 0, previousTrajectory: null, requestedAtUtc: capturedAt, effectiveAtUtc: capturedAt, outputTrajectoryId: "trajectory-42", referencePathId: "path-17", previousTrajectoryId: "", - motionModel: EmMotionModel.NonholonomicForwardReverse); + motionModel: EmMotionModel.NonholonomicForwardReverse, + planningScope: EmPlanningScope.FullDirectionSegment); EmPlanningResult result = service.Plan(request, CancellationToken.None); if (result.Status != EmPlanningStatus.Success && result.Status != EmPlanningStatus.SuccessWithFallback) @@ -153,13 +157,21 @@ if (result.Status != EmPlanningStatus.Success && result.Status != EmPlanningStat EmTrajectory trajectory = result.Trajectory; ``` -## Rolling longitudinal planning semantics +## 规划范围：FullDirectionSegment 与 RollingHorizon -`DistanceHorizonMeters` controls the L-S reference window. `TimeHorizonSeconds` controls the S-T output duration. -Only a real `Goal` or `GearSwitchApproach` boundary may require an exact zero-speed terminal. `RollingContinuation` -and `ApproachStopBoundary` may publish nonzero terminal speed; they do not add a synthetic zero-speed hold tail. -`ExactStopAtBoundary` instead includes a real boundary anchor and a stationary S/U/A stabilization interval inside the -QP horizon. `ZeroSpeedHoldSeconds`, when configured, is appended only after that QP horizon. +`EmPlanningRequest.PlanningScope` 显式选择一次 `Plan` 的边界语义；MovementTest 默认使用 `FullDirectionSegment`。 + +### FullDirectionSegment + +- 对完整活动方向段做一次优化；`s_end` 来自已选 Local G2 的实际 `PathS`，`T_end` 由可行加速度、巡航、jerk 限速停止和零速 hold 推导，不依赖旧的距离/时间截断窗口。 +- 前进期望/硬上限为 `1.0 m/s`，倒车期望/硬上限为 `0.5 m/s`。 +- 成功终端必须停止，世界位置误差不超过 `0.03 m`，归一化 yaw 误差不超过 `5°`（约 `0.0873 rad`）。 +- `NoProgress`、`TerminalPoseMismatch`、`FullSegmentResourceLimitExceeded` 失败均返回空轨迹，不降级为滚动或截断发布。 +- `DistanceHorizonMeters` 与 `TimeHorizonSeconds` 作为兼容字段保留，但不用于截断 full 模式。 + +### RollingHorizon + +`DistanceHorizonMeters` 控制 L-S 参考窗口，`TimeHorizonSeconds` 控制 S-T 输出时长。只有真实 `Goal` 或换向边界要求 `ExactStopAtBoundary` 零速终端；`RollingContinuation` 与 `ApproachStopBoundary` 可发布非零末端速度，不追加合成零速 hold tail。`ExactStopAtBoundary` 包含真实边界锚点和 QP 视界内的静止稳定区间，`ZeroSpeedHoldSeconds` 只在 QP 视界之后追加。 该服务不负责周期调用、版本淘汰、轨迹采样或控制命令。需要滚动运行时，将成功结果交给 [TrajectoryExecution](../TrajectoryExecution/README.md)，并由调用方管理状态捕获和周期。 @@ -167,13 +179,13 @@ QP horizon. `ZeroSpeedHoldSeconds`, when configured, is appended only after that ### 第 1 步：冻结一致的请求快照 -`EmPlanningRequest` 必须包含同一版本的 `PathSmoothingResult` 和 `PlanningGridMap`、当前 `VehicleParameters`、不可变 `VehicleMotionState`、完整 `EmPlannerConfiguration`、方向段索引、时间、ID 和运动模型。不要在 `Plan` 进行期间修改这些对象或从 UI/硬件重新读取值。 +`EmPlanningRequest` 必须包含同一版本的 `PathSmoothingResult` 和 `PlanningGridMap`、当前 `VehicleParameters`、不可变 `VehicleMotionState`、完整 `EmPlannerConfiguration`、方向段索引、时间、ID、运动模型和 `PlanningScope`。不要在 `Plan` 进行期间修改这些对象或从 UI/硬件重新读取值。 车辆状态中的速度带有符号：正数表示前进，负数表示倒车；速度接近配置的停车容差时按停车处理。`SequenceId`、地图快照 ID、参考路径 ID 和上一轨迹 ID 是诊断及滚动执行身份的一部分。 ### 第 2 步：选择方向段与规划终端 -一次请求只选择一个平滑路径方向段。服务从状态投影处开始，按配置的 `6.0 s` / `5.0 m` 视界选择精确终端：未到方向段边界时为 `RollingSafetyStop`，到换向边界前为 `GearSwitch`，最终段终点为 `Goal`。成功轨迹在终端精确停车，并以 `0.05 s` 间隔提供 `0.20 s` 同姿态、零速度 hold tail。 +一次请求只选择一个平滑路径方向段，并显式传入 `EmPlanningScope`。`FullDirectionSegment` 从状态投影处规划到该方向段真实终点（`GearSwitch` 或 `Goal`），`s_end` 取自 Local G2 实际 `PathS`，`T_end` 由可行加速度/巡航/停止包络推导，不再以 `TimeHorizonSeconds` 或 `DistanceHorizonMeters` 截断。`RollingHorizon` 才使用 legacy 视界选择 `RollingSafetyStop`、`GearSwitch` 或 `Goal`；精确停车边界成功后提供同姿态、零速度 hold tail。 上一条轨迹仅能作为同方向、同方向段、位于当前视界内的 Frenet 种子。种子用于保持横向连续性，不能让规划跨过换向边界或绕过静态走廊连通性检查。 diff --git a/ClumsyPilot/ParkrobTrajplanner/tarjplanner_movementtest/README.md b/ClumsyPilot/ParkrobTrajplanner/tarjplanner_movementtest/README.md index ec4c923..f052806 100644 --- a/ClumsyPilot/ParkrobTrajplanner/tarjplanner_movementtest/README.md +++ b/ClumsyPilot/ParkrobTrajplanner/tarjplanner_movementtest/README.md @@ -1,14 +1,27 @@ # EM trajectory observation MovementTest `TrajectoryObservationMovementTest` is an observe-only host for the real MDCS localization and chassis-speed read -interfaces. It bootstraps the coarse path and Local G2 reference once, repeatedly plans EM trajectories, samples the -latest published trajectory, and draws the world, L-S, and T-S/T-V layers. It does not drive, steer, brake, change gear, -or invoke a geometric vehicle controller. +interfaces. It bootstraps the coarse path and Local G2 reference once, requests one frozen full-direction-segment EM +plan per active direction segment by default, samples the latest published trajectory, and draws the world, LS, and ST +layers. It does not drive, steer, brake, change gear, or invoke a geometric vehicle controller. Every runtime status contains `OBSERVE_ONLY: no chassis command is sent.` Treat the displayed control command as a diagnostic prediction only. Goal and rolling-safety-stop commands are logged, never applied to hardware. At the end of a -gear-switch trajectory, the observer remains on direction segment `0` and waits for real direction confirmation; it does -not create or dispatch a direction-change action. +gear-switch trajectory, the observer remains on the current direction segment and waits for real direction confirmation; +it does not create or dispatch a direction-change action. + +## FullDirectionSegment observation (default) + +`UseFullDirectionSegmentPlanning=true` maps to `EmPlanningScope.FullDirectionSegment`. MovementTest performs one frozen +optimization for the complete remaining active direction segment, then republishes that trajectory with fresh observation +state until the real direction boundary is confirmed and the next segment becomes active. `s_end` is the actual Local G2 +`PathS` at the active segment boundary; `T_end` is derived from the feasible acceleration, cruise, jerk-limited stopping, +and zero-speed hold behavior instead of being forced by a legacy time horizon. + +`DistanceHorizonMeters` and `TimeHorizonSeconds` are rolling-compatible fields and do not truncate full mode. Forward +desired/hard maximum speed is `1.0 m/s`; reverse desired/hard maximum speed is `0.5 m/s`. A successful real boundary +requires a terminal stop plus world-position error no greater than `0.03 m` and normalized yaw error no greater than +`5 deg` (`5 * PI / 180 rad`). ## Rolling trajectory observation @@ -18,39 +31,44 @@ single S-T output duration. Only a real Goal or gear-switch boundary may publish ## Configuration -| Field | Unit | Default | Meaning | +| Field | Unit | MovementTest UI default | Meaning | | --- | --- | ---: | --- | | `GoalXmm` | world mm | `NaN` | Goal X. If X or Y is not finite, the host prompts for X, Y, and yaw. | | `GoalYmm` | world mm | `NaN` | Goal Y. | | `GoalYawDeg` | world deg | `0` | Goal heading. | | `MapPaddingMeters` | m | `2.0` | Padding added on all sides of the start/goal bounds. | | `MapResolutionMm` | mm | `50` | Local occupancy-grid resolution. | -| `ReplanPeriodSeconds` | s | `0.20` | Minimum interval between EM planning cycles. | +| `UseFullDirectionSegmentPlanning` | bool | `true` | Selects `FullDirectionSegment`; set `false` for legacy `RollingHorizon`. | +| `ReplanPeriodSeconds` | s | `0.20` | Minimum interval between EM planning cycles in rolling scope. | | `ObserverPeriodSeconds` | s | `0.05` | Live-state sampling and redraw interval. | | `SolverTimeoutSeconds` | s | `5.0` | EM solver timeout frozen for the session. | | `MaximumOsqpIterations` | iterations | `100000` | OSQP iteration limit frozen for the session. | -| `TimeHorizonSeconds` | s | `2.0` | Single ST trajectory horizon, not the observer period. | +| `TimeHorizonSeconds` | s | `20.0` | Rolling-only ST trajectory horizon, not the observer period; full mode derives `T_end` instead. | | `OutputTimeStepSeconds` | s | `0.10` | Published trajectory timestamp spacing. | | `VehicleLengthMeters` | m | `0.80` | Vehicle envelope length supplied to coarse, smoothing, and EM planning. | | `VehicleWidthMeters` | m | `0.60` | Vehicle envelope width supplied to planning. | | `SafetyMarginMeters` | m | `0.05` | Additional planning clearance outside the vehicle envelope. | | `MaximumCurvaturePerMeter` | 1/m | `1 / 1.20` | Maximum allowed vehicle curvature (about `0.8333 1/m`). | -| `EnableWebVisualization` | bool | `false` | Enables the local web dashboard session. | +| `EnableWebVisualization` | bool | `true` | Enables the primary local web dashboard session. | | `AutoOpenWebVisualization` | bool | `true` | Opens the tokenized local dashboard URI when web output is enabled. | | `WebVisualizationPort` | port | `0` | `0` selects an ephemeral port; otherwise use `1024` through `65535`. | | `WebRefreshRateHz` | Hz | `10` | Maximum dynamic web snapshot publication rate. | | `VisualizationHistoryCycleLimit` | cycles | `60` | Bounded web history length. | -| `EnableNativePainterVisualization` | bool | `false` | Enables the optional native Painter fallback. | +| `EnableNativePainterVisualization` | bool | `true` | Enables optional native Painter audit windows; disable unless explicitly reviewed. | | `DirectionConfirmationSpeedMetersPerSecond` | m/s | `0.02` | Minimum signed-speed magnitude used to confirm the next direction. | | `DirectionConfirmationSamples` | samples | `3` | Strictly increasing matching-direction samples required after the stop hold. | | `GearSwitchProjectionToleranceMeters` | m | `0.50` | Maximum switch-point projection distance for both adjacent segments. | | `GearSwitchStopHoldSeconds` | s | `0.20` | Continuous real-stop duration required before direction samples count. | -The four vehicle fields are public editable MovementTest inputs. They, the map/timing fields, goal, and manual obstacles -are validated and copied into a frozen input snapshot before the background session starts. Later edits cannot change an -active session. The live pose and actual longitudinal speed are then read once per observer tick. -EM planning runs asynchronously with at most one planning cycle in flight. Every observer tick still captures fresh -state, samples the currently published trajectory, redraws all three layers, and emits a session-guarded status; a slow +`TrajectoryObservationSettings` contract defaults are `PlanningScope=FullDirectionSegment`, +`TimeHorizonSeconds=2.0`, `EnableWebVisualization=true`, and `EnableNativePainterVisualization=false`; the MovementTest +UI currently exposes the values above. All public fields are validated and copied into a frozen input snapshot before +the background session starts. Later edits cannot change an active session. The live pose and actual longitudinal speed +are then read once per observer tick. + +In full scope, EM planning runs once per active segment with one attempt in flight. In rolling scope, EM planning +respects `ReplanPeriodSeconds` with at most one planning cycle in flight. Every observer tick still captures fresh +state, samples the currently published trajectory, redraws all layers, and emits a session-guarded status; a slow planner therefore does not reduce the configured observation cadence. ## Manual obstacles @@ -84,14 +102,20 @@ for driving and has no driving capability; any future execution mode requires a 网页默认以 `10 Hz` 发布不可变动态快照，网页关闭、断开或慢客户端只会丢弃网页帧，绝不会阻塞、序列化等待或改变 规划周期。 -`EnableNativePainterVisualization=true` 才会为本会话创建 `TrajectoryObserver.World`、`LS`、`ST` Painter；默认关闭。 -网页与 Painter 可以同时开启，也可全部关闭：全部关闭时仍保留 `OBSERVE_ONLY` 规划、控制台和 UI 状态。网页的启动、 -快照或服务出现异常时会只记录一次中文诊断并熔断本次网页输出，不自动循环重启，也不会停止规划观察。 +`EnableNativePainterVisualization=true` 才会为本会话创建 `TrajectoryObserver.World`、`LS`、`ST` Painter。网页是主 +观察界面，Painter 仅作为可选的正确性/审计输出；受监督车辆清单执行前应显式关闭 Painter，除非另行审查。网页与 +Painter 可以同时开启，也可全部关闭：全部关闭时仍保留 `OBSERVE_ONLY` 规划、控制台和 UI 状态。网页的启动、快照或 +服务出现异常时会只记录一次中文诊断并熔断本次网页输出，不自动循环重启，也不会停止规划观察。 网页采用中文说明配合科研绘图约定：白底、细灰网格和细曲线；当前轨迹为蓝色实线，上一轮为灰色虚线，换向与交接点 为橙色，红色仅表示实际越界或失败。路径总览把已完成方向段画为灰色细实线、活动段画为蓝色细实线、未来段画为浅灰 虚线，并以深蓝覆盖当前规划视界。页面的 `ReferenceS (m)` 是将轨迹投影到**完整活动方向段**后的共享参考站； -`PathS (m)` 是每轮 ST 求解使用、从该轮局部起点累计的实际路径弧长，二者不可互相替代或跨轮直接相减。 +`PathS (m)` 是 ST 求解使用、从该段局部起点累计的实际路径弧长，二者不可互相替代或跨段直接相减。 + +所有图表轴标签与单位由实际快照提供：世界 `X/Y (m)`、`ReferenceS (m)`、`PathS (m)`、`t (s)`、`l (m)`、 +`v (m/s)`、`a (m/s²)`、`j (m/s³)`、`κ (m⁻¹)`、`ω (rad/s)`。`ls` 的横轴是 `ReferenceS (m)`、纵轴是 `l (m)`； +`st` 的横轴是 `t (s)`、纵轴是 `PathS (m)`。每张图支持鼠标滚轮以指针为中心缩放、拖拽框选局部放大、`重置视图` +与 `全屏`；这些操作只改变本地视口，不修改原始快照，也不向规划器发送参数。 运动学页中 `j[i]` 仅表示真实区间 `[tᵢ, tᵢ₊₁)`，所以 jerk 只有 `N-1` 个样本；末点之后没有虚构的 `j=0`。 状态页将滚动续航、接近停车边界和精确停车边界分别标为 `RollingContinuation`、 @@ -113,6 +137,8 @@ Before starting: cannot be read. 3. Set a finite goal X/Y/yaw (or be ready to enter them when prompted), then enter zero to twenty manual obstacles. Each obstacle must remain inside the configured start/goal rectangle plus map padding. +4. Keep `EnableWebVisualization=true` and set `EnableNativePainterVisualization=false` unless the Painter audit output is + explicitly required and reviewed for this vehicle session. To start, select the entry in the vehicle UI and start the MovementTest. Confirm the status begins with `OBSERVE_ONLY: no chassis command is sent.`, then review the bootstrap status and the diff --git a/ClumsyPilot/TrajectoryPlanningVisualization/README.md b/ClumsyPilot/TrajectoryPlanningVisualization/README.md index 03faf93..a87095f 100644 --- a/ClumsyPilot/TrajectoryPlanningVisualization/README.md +++ b/ClumsyPilot/TrajectoryPlanningVisualization/README.md @@ -22,7 +22,7 @@ visualization.Stop(); `Start` 只传输一次静态快照。`Publish` 只校验并以原子交换写入最新动态帧，绝不序列化、等待 socket、浏览器或绘图；旧帧会被丢弃，因此最新帧槽的 **capacity 1** 是有意的。默认刷新率为 **10 Hz**，周期摘要默认保留 60 条；完整轨迹只属于当前最新帧和调用方快照，不进入历史。 -重复 `Start` 会返回已有会话信息；重复 `Stop` 安全。正常 `Stop` 最多尝试 100 ms 发送 `event: end`（“会话已结束”），之后关闭 SSE 和监听端口。 +重复 `Start` 会返回已有会话信息；重复 `Stop` 安全。正常 `Stop` 最多尝试 100 ms 发送 `event: end`（“会话已结束”），之后关闭 SSE 和监听端口。关闭或断开浏览器只会丢弃网页帧，不会停止宿主观察；由 MovementTest/宿主在停止时统一回收 HTTP/SSE、端口和可选 Painter。 ## 路由与性能模型 @@ -37,8 +37,21 @@ visualization.Stop(); 页面包含“路径总览”、“LS / ST”、“曲率与运动学”和“周期历史与生效配置”四个页签。八个稳定 chart ID 为 `ls`、`st`、`curvature-s`、`curvature-t`、`velocity-t`、`acceleration-t`、`jerk-t`、`yaw-rate-t`。说明文本为中文；轴标签保留输入快照提供的科学变量、数学符号和 SI 单位。 -`ls` 的横轴是活动方向段的 `ReferenceS (m)`，`st` 的横轴是每轮局部 `PathS (m)`；两者不混用。jerk 的 `j[i]` 仅表示真实区间 `[tᵢ,tᵢ₊₁)`，数量为轨迹点数减一，最后一个轨迹点不补造 `j=0`，页面明确标注“末点后无时间区间”。 +| 图表 | X 轴 | Y 轴 | +| --- | --- | --- | +| `ls` | `ReferenceS (m)` | `l (m)` | +| `st` | `t (s)` | `PathS (m)` | +| `curvature-s` | `s (m)` | `κ (m⁻¹)` | +| `curvature-t` | `t (s)` | `κ (m⁻¹)` | +| `velocity-t` | `t (s)` | `v (m/s)` | +| `acceleration-t` | `t (s)` | `a (m/s²)` | +| `jerk-t` | `t (s)` | `j (m/s³)` | +| `yaw-rate-t` | `t (s)` | `ω (rad/s)` | + +`st` 的纵轴是真实 `PathS (m)`，`ls` 的横轴是活动方向段的共享 `ReferenceS (m)`；两者不混用。jerk 的 `j[i]` 仅表示真实区间 `[tᵢ,tᵢ₊₁)`，数量为轨迹点数减一，最后一个轨迹点不补造 `j=0`，页面明确标注“末点后无时间区间”。 + +路径总览按语义分层：粗路径、Local G2、方向段、上一轮、当前轨迹、`s_end`/换向/终点/车辆标记，并保持世界 `X/Y` 等比例。每张 SVG 支持滚轮以指针为中心缩放、拖拽框选局部放大、重置和全屏；这些操作只改变浏览器本地视口，不修改原始快照，也不向规划器发送参数。 ## 适配器责任 -适配器应在外部项目中冻结配置、构造 `PlanningVisualizationStaticSnapshot`，并在每个观察周期构造 `PlanningVisualizationDynamicSnapshot`。它可以在启动后使用 `info.Uri` 由宿主决定是否打开浏览器；本类库不会读取桌面环境或启动进程。快照、服务或前端异常应被宿主隔离为一次中文诊断，不得改变规划周期、求解结果或任何车辆控制行为。 +适配器应在外部项目中冻结配置、构造 `PlanningVisualizationStaticSnapshot`，并在每个观察周期构造 `PlanningVisualizationDynamicSnapshot`。MovementTest 默认以 `FullDirectionSegment` 提供完整方向段快照；本类库本身不决定规划范围。它可以在启动后使用 `info.Uri` 由宿主决定是否打开浏览器；本类库不会读取桌面环境或启动进程。快照、服务或前端异常应被宿主隔离为一次中文诊断，不得改变规划周期、求解结果或任何车辆控制行为。