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| """ 2028年智能体IMS
核心能力: 1. 意图预测:预测驾驶员行为意图 2. 主动干预:在危险发生前干预 3. 个性化适应:学习驾驶员习惯 4. 车云协同:云端模型更新
"""
import torch import torch.nn as nn from typing import Dict, List, Tuple import numpy as np
class IntentPredictor(nn.Module): """意图预测器""" def __init__( self, history_len: int = 30, num_intents: int = 10 ): super().__init__() self.history_encoder = nn.LSTM( input_size=64, hidden_size=128, num_layers=2, batch_first=True, bidirectional=True ) self.intent_classifier = nn.Sequential( nn.Linear(256, 128), nn.ReLU(), nn.Linear(128, num_intents) ) self.intent_types = [ 'continue_driving', 'change_lane_left', 'change_lane_right', 'take_exit', 'slow_down', 'stop', 'park', 'distracted_by_phone', 'distracted_by_passenger', 'emergency' ] def forward( self, history_features: torch.Tensor ) -> torch.Tensor: """ 预测意图 Args: history_features: 历史特征序列 Returns: intent_logits: 意图分类logits """ _, (hidden, _) = self.history_encoder(history_features) hidden = torch.cat([hidden[-2], hidden[-1]], dim=-1) intent_logits = self.intent_classifier(hidden) return intent_logits
class ProactiveIntervention(nn.Module): """主动干预系统""" def __init__(self): super().__init__() self.policy_net = nn.Sequential( nn.Linear(128 + 10, 64), nn.ReLU(), nn.Linear(64, 32), nn.ReLU(), nn.Linear(32, 5) ) self.intervention_types = [ 'none', 'audio_warning', 'haptic_warning', 'adas_assist', 'emergency_stop' ] def forward( self, state_features: torch.Tensor, intent_logits: torch.Tensor ) -> torch.Tensor: """ 决定干预策略 Args: state_features: 当前状态特征 intent_logits: 意图预测 Returns: intervention_logits: 干预策略logits """ combined = torch.cat([state_features, intent_logits], dim=-1) return self.policy_net(combined)
class PersonalizedAdapter(nn.Module): """个性化适应模块""" def __init__(self, base_model: nn.Module, num_users: int = 100): super().__init__() self.base_model = base_model self.user_embedding = nn.Embedding(num_users, 64) self.adapter = nn.Sequential( nn.Linear(64, 32), nn.ReLU(), nn.Linear(32, base_model.output_dim) ) def forward( self, inputs: torch.Tensor, user_id: int ) -> torch.Tensor: """ 个性化推理 Args: inputs: 输入 user_id: 用户ID Returns: output: 个性化输出 """ base_output = self.base_model(inputs) user_embed = self.user_embedding(torch.tensor([user_id])) adaptation = self.adapter(user_embed) return base_output + adaptation
class CloudSyncManager: """云端同步管理器""" def __init__(self, endpoint: str): self.endpoint = endpoint self.sync_interval = 3600 self.local_model_version = "v1.0" self.pending_updates = [] def sync_model(self) -> bool: """同步模型""" pass def upload_experience(self, experience: Dict): """上传经验数据""" self.pending_updates.append(experience) if len(self.pending_updates) > 100: self._flush_updates() def _flush_updates(self): """批量上传""" pass
class AgentIMS2028: """2028年智能体IMS""" def __init__(self): self.intent_predictor = IntentPredictor() self.intervention = ProactiveIntervention() self.personalizer = PersonalizedAdapter(nn.Linear(64, 10)) self.cloud_sync = CloudSyncManager("https://api.ims-cloud.com") self.history_buffer = [] self.max_history = 30 def process( self, multimodal_features: Dict, user_id: int ) -> Dict: """ 处理并决策 Args: multimodal_features: 多模态特征 user_id: 用户ID Returns: output: 决策输出 """ self.history_buffer.append(multimodal_features) if len(self.history_buffer) > self.max_history: self.history_buffer.pop(0) history_tensor = torch.tensor([ f['features'] for f in self.history_buffer ]).unsqueeze(0) intent_logits = self.intent_predictor(history_tensor) intent = self.intent_predictor.intent_types[ intent_logits.argmax().item() ] state_features = multimodal_features['features'] intervention_logits = self.intervention(state_features, intent_logits) intervention = self.intervention_types[ intervention_logits.argmax().item() ] self.cloud_sync.upload_experience({ 'features': multimodal_features, 'intent': intent, 'intervention': intervention, 'timestamp': time.time() }) return { 'intent': intent, 'intervention': intervention, 'confidence': torch.softmax(intent_logits, dim=-1).max().item() }
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