| | |
| | | } |
| | | } |
| | | |
| | | // 3.5. 检查空闲AGV是否需要让行 |
| | | System.out.println("检查空闲AGV是否需要让行"); |
| | | List<AGVStatus> yieldingAgvs = identifyYieldingAgvs(agvStatusList, plannedPaths); |
| | | if (!yieldingAgvs.isEmpty()) { |
| | | System.out.println(" 发现 " + yieldingAgvs.size() + " 个需要让行的空闲AGV"); |
| | | for (AGVStatus yieldAgv : yieldingAgvs) { |
| | | PlannedPath yieldPath = planYieldPath(yieldAgv, plannedPaths, spaceTimeOccupancyMap, constraints); |
| | | if (yieldPath != null) { |
| | | plannedPaths.add(yieldPath); |
| | | plannedAgvIds.put(yieldAgv.getAgvId(), "AVOIDING"); |
| | | System.out.println(" AGV " + yieldAgv.getAgvId() + " 让行路径规划成功,从 " + |
| | | yieldAgv.getPosition() + " 移开"); |
| | | } |
| | | } |
| | | } else { |
| | | System.out.println(" 无需让行的AGV"); |
| | | } |
| | | |
| | | // 4. 为需要新路径的CTU提取执行中任务 |
| | | System.out.println("步骤3: 提取需要新路径的CTU任务"); |
| | | List<ExecutingTask> newTasks = taskExtractor.extractExecutingTasks(ctuNeedingNewPaths); |
| | |
| | | } |
| | | |
| | | /** |
| | | * 识别需要让行的AGV |
| | | * 检查空闲AGV是否占用了其他AGV剩余路径上的位置 |
| | | * |
| | | * @param agvStatusList 所有AGV状态列表 |
| | | * @param plannedPaths 已规划的路径列表(包含剩余路径) |
| | | * @return 需要让行的AGV列表 |
| | | */ |
| | | private List<AGVStatus> identifyYieldingAgvs(List<AGVStatus> agvStatusList, List<PlannedPath> plannedPaths) { |
| | | List<AGVStatus> yieldingAgvs = new ArrayList<>(); |
| | | |
| | | // 收集所有已规划路径上的位置 |
| | | Set<String> occupiedPositions = new HashSet<>(); |
| | | for (PlannedPath path : plannedPaths) { |
| | | if (path.getCodeList() != null) { |
| | | for (PathCode code : path.getCodeList()) { |
| | | if (code.getCode() != null) { |
| | | occupiedPositions.add(code.getCode()); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | // 检查每个AGV |
| | | for (AGVStatus agv : agvStatusList) { |
| | | // 如果这个AGV已经有剩余路径,跳过(已在任务) |
| | | if (agv.hasRemainingPath()) { |
| | | continue; |
| | | } |
| | | |
| | | // 检查AGV是否有位置信息 |
| | | if (agv.getPosition() == null || agv.getPosition().trim().isEmpty()) { |
| | | continue; |
| | | } |
| | | |
| | | // 检查AGV是否是空闲状态(status=0) |
| | | // 只要没有剩余路径且有位置,就检查是否需要让行 |
| | | int status = agv.getStatus(); |
| | | if (status != 0) { |
| | | // status=1或2(问题或忙碌)等其他状态跳过 |
| | | continue; |
| | | } |
| | | |
| | | // 检查该AGV的位置是否在其他AGV的路径上 |
| | | String currentPos = agv.getPosition(); |
| | | if (occupiedPositions.contains(currentPos)) { |
| | | System.out.println(" CTU " + agv.getAgvId() + |
| | | " (status=" + status + ") 在位置 " + currentPos + " 占用了其他CTU路径,需要让行"); |
| | | yieldingAgvs.add(agv); |
| | | } |
| | | } |
| | | |
| | | return yieldingAgvs; |
| | | } |
| | | |
| | | /** |
| | | * 为让行AGV规划避让路径 |
| | | * |
| | | * @param yieldAgv 需要让行的AGV |
| | | * @param existingPaths 已存在的路径列表 |
| | | * @param occupancyMap 时空占用表 |
| | | * @param constraints 路径约束 |
| | | * @return 让行路径 |
| | | */ |
| | | private PlannedPath planYieldPath(AGVStatus yieldAgv, List<PlannedPath> existingPaths, |
| | | Map<String, String> occupancyMap, List<double[]> constraints) { |
| | | String currentPos = yieldAgv.getPosition(); |
| | | String agvId = yieldAgv.getAgvId(); |
| | | |
| | | // 1. 找到安全的目标位置 |
| | | Set<String> blockedPositions = new HashSet<>(); |
| | | for (PlannedPath path : existingPaths) { |
| | | if (path.getCodeList() != null) { |
| | | for (PathCode code : path.getCodeList()) { |
| | | if (code.getCode() != null) { |
| | | blockedPositions.add(code.getCode()); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | // 2. 寻找合适让行目标位置 |
| | | String targetPos = findYieldTargetPosition(currentPos, blockedPositions, yieldAgv); |
| | | |
| | | if (targetPos == null || targetPos.equals(currentPos)) { |
| | | System.out.println(" AGV " + agvId + " 无法找到合适的让行位置"); |
| | | return null; |
| | | } |
| | | |
| | | // 3. 规划避让路径 |
| | | PlannedPath yieldPath = planPathWithSpaceTimeConstraints( |
| | | currentPos, targetPos, constraints, occupancyMap, yieldAgv |
| | | ); |
| | | |
| | | if (yieldPath != null) { |
| | | yieldPath.setAgvId(agvId); |
| | | yieldPath.setSegId(generateSegId("AVOID", agvId, "avoiding")); |
| | | |
| | | // 设置路径代码信息 |
| | | enhancePathCodesForYielding(yieldPath); |
| | | |
| | | // 更新占用表 |
| | | updateSpaceTimeOccupancyMap(yieldPath, occupancyMap, yieldAgv); |
| | | } |
| | | |
| | | return yieldPath; |
| | | } |
| | | |
| | | /** |
| | | * 寻找让行的目标位置 |
| | | */ |
| | | private String findYieldTargetPosition(String currentPos, Set<String> blockedPositions, AGVStatus agv) { |
| | | // 使用BFS搜索最近的空闲位置 |
| | | final int MAX_SEARCH_DEPTH = 10; |
| | | |
| | | Queue<String> queue = new LinkedList<>(); |
| | | Map<String, Integer> visited = new HashMap<>(); // 记录位置和距离 |
| | | |
| | | queue.offer(currentPos); |
| | | visited.put(currentPos, 0); |
| | | |
| | | while (!queue.isEmpty()) { |
| | | String pos = queue.poll(); |
| | | int depth = visited.get(pos); |
| | | |
| | | if (depth >= MAX_SEARCH_DEPTH) { |
| | | break; |
| | | } |
| | | |
| | | List<Map<String, String>> neighbors = pathPlanner.getNeighbors(pos); |
| | | for (Map<String, String> neighbor : neighbors) { |
| | | String neighborPos = neighbor.get("code"); |
| | | |
| | | if (neighborPos == null || visited.containsKey(neighborPos)) { |
| | | continue; |
| | | } |
| | | |
| | | // 找到一个未被占用的位置 |
| | | if (!blockedPositions.contains(neighborPos)) { |
| | | System.out.println(" 找到避让位置: " + neighborPos + " (距离=" + (depth + 1) + "步)"); |
| | | return neighborPos; |
| | | } |
| | | |
| | | // 加入队列继续搜索 |
| | | queue.offer(neighborPos); |
| | | visited.put(neighborPos, depth + 1); |
| | | } |
| | | } |
| | | |
| | | System.out.println(" 未找到合适的避让位置 "); |
| | | return null; |
| | | } |
| | | |
| | | private void enhancePathCodesForYielding(PlannedPath yieldPath) { |
| | | if (yieldPath == null || yieldPath.getCodeList() == null) { |
| | | return; |
| | | } |
| | | |
| | | List<PathCode> codes = yieldPath.getCodeList(); |
| | | for (int i = 0; i < codes.size(); i++) { |
| | | PathCode code = codes.get(i); |
| | | code.setActionType("0"); |
| | | code.setPosType(null); |
| | | code.setLev(0); |
| | | code.setTargetPoint(i == codes.size() - 1); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 路径规划结果类 |
| | | */ |
| | | public static class PathPlanningResult { |