534 lines
14 KiB
Markdown
534 lines
14 KiB
Markdown
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# CLR TouchGo - Touch&Go 服务 SDK
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## 模块概述
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`clr_touchgo` 是 OneApp Touch&Go 智能交互功能的核心服务 SDK,提供了免接触式车辆操作和智能感知服务。该模块集成了先进的传感器技术、手势识别、语音控制等多种交互方式,为用户提供更便捷、更智能的车辆控制体验。
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## 核心功能
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### 1. 手势控制
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- **手势识别**:支持多种手势的实时识别和响应
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- **动作映射**:将手势动作映射到具体的车辆控制指令
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- **精度优化**:高精度的手势识别算法
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- **自定义手势**:支持用户自定义手势指令
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### 2. 语音交互
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- **语音识别**:高精度的语音识别引擎
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- **语义理解**:智能理解用户意图和指令
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- **语音合成**:自然流畅的语音反馈
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- **多语言支持**:支持多种语言的语音交互
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### 3. 智能感知
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- **环境感知**:感知车辆周围环境状态
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- **用户识别**:识别和认证授权用户
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- **行为预测**:基于历史数据预测用户行为
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- **场景适配**:根据不同场景自动调整交互方式
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### 4. 免接触操作
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- **远程控制**:支持远距离的车辆控制
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- **自动执行**:基于条件自动执行预设操作
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- **安全验证**:多重安全验证确保操作安全
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- **实时反馈**:操作结果的实时反馈
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## 技术架构
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### 架构设计
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```
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┌─────────────────────────────────────┐
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│ 应用层 │
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│ (app_touchgo, app_car) │
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├─────────────────────────────────────┤
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│ CLR TouchGo SDK │
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│ ┌──────────┬──────────┬──────────┐ │
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│ │ 手势识别 │ 语音控制 │ 智能感知 │ │
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│ ├──────────┼──────────┼──────────┤ │
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│ │ 传感器 │ AI引擎 │ 安全模块 │ │
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│ └──────────┴──────────┴──────────┘ │
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├─────────────────────────────────────┤
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│ 硬件抽象层 │
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│ ┌──────────┬──────────┬──────────┐ │
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│ │ 摄像头 │ 麦克风 │ 距离传感 │ │
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│ └──────────┴──────────┴──────────┘ │
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├─────────────────────────────────────┤
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│ 车载系统 │
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│ (CAN Bus, ECU, etc.) │
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└─────────────────────────────────────┘
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```
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### 核心组件
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#### 1. 手势识别引擎 (GestureEngine)
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```dart
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class GestureEngine {
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// 初始化手势识别
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Future<bool> initialize();
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// 开始手势检测
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Future<void> startDetection();
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// 停止手势检测
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Future<void> stopDetection();
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// 注册手势处理器
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void registerGestureHandler(GestureType type, GestureHandler handler);
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// 校准手势识别
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Future<bool> calibrateGesture(GestureType type);
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}
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```
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#### 2. 语音控制引擎 (VoiceEngine)
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```dart
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class VoiceEngine {
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// 初始化语音引擎
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Future<bool> initialize(VoiceConfig config);
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// 开始语音监听
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Future<void> startListening();
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// 停止语音监听
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Future<void> stopListening();
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// 语音合成
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Future<void> speak(String text, VoiceSettings settings);
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// 设置语音识别语言
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Future<void> setLanguage(String languageCode);
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}
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```
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#### 3. 智能感知管理器 (SensingManager)
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```dart
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class SensingManager {
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// 开始环境感知
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Future<void> startEnvironmentSensing();
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// 用户身份识别
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Future<UserIdentity> identifyUser();
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// 获取环境状态
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Future<EnvironmentState> getEnvironmentState();
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// 预测用户行为
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Future<List<PredictedAction>> predictUserActions();
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}
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```
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#### 4. 安全验证模块 (SecurityModule)
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```dart
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class SecurityModule {
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// 生物特征验证
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Future<bool> verifyBiometrics(BiometricData data);
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// 多因子认证
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Future<bool> multiFactorAuth(List<AuthFactor> factors);
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// 操作权限检查
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Future<bool> checkPermission(String userId, Operation operation);
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// 安全日志记录
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Future<void> logSecurityEvent(SecurityEvent event);
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}
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```
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## 数据模型
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### 手势模型
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```dart
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enum GestureType {
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swipeLeft, // 左滑
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swipeRight, // 右滑
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swipeUp, // 上滑
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swipeDown, // 下滑
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pinch, // 捏合
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spread, // 展开
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tap, // 点击
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longPress, // 长按
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circle, // 画圈
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custom // 自定义
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}
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class Gesture {
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final GestureType type;
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final List<Point> trajectory;
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final double confidence;
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final DateTime timestamp;
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final Map<String, dynamic> metadata;
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}
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```
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### 语音模型
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```dart
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class VoiceCommand {
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final String text;
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final String intent;
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final Map<String, String> entities;
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final double confidence;
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final String languageCode;
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final DateTime timestamp;
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}
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class VoiceResponse {
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final String text;
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final VoiceSettings settings;
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final Duration duration;
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final AudioFormat format;
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}
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```
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### 感知模型
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```dart
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class EnvironmentState {
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final double lighting;
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final double noise;
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final double temperature;
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final List<DetectedObject> objects;
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final List<DetectedPerson> persons;
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final DateTime timestamp;
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}
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class UserIdentity {
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final String userId;
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final String name;
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final double confidence;
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final BiometricData biometrics;
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final List<String> permissions;
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}
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```
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## API 接口
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### 手势控制接口
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```dart
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abstract class GestureService {
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// 配置手势识别
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Future<ApiResponse<bool>> configureGesture(GestureConfig config);
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// 执行手势指令
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Future<ApiResponse<CommandResult>> executeGestureCommand(GestureCommand command);
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// 获取支持的手势列表
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Future<ApiResponse<List<GestureType>>> getSupportedGestures();
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// 训练自定义手势
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Future<ApiResponse<bool>> trainCustomGesture(CustomGestureData data);
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}
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```
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### 语音控制接口
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```dart
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abstract class VoiceService {
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// 处理语音指令
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Future<ApiResponse<CommandResult>> processVoiceCommand(VoiceCommand command);
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// 获取语音配置
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Future<ApiResponse<VoiceConfig>> getVoiceConfig();
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// 更新语音设置
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Future<ApiResponse<bool>> updateVoiceSettings(VoiceSettings settings);
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// 获取支持的语言
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Future<ApiResponse<List<Language>>> getSupportedLanguages();
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}
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```
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### 智能感知接口
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```dart
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abstract class SensingService {
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// 获取环境状态
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Future<ApiResponse<EnvironmentState>> getEnvironmentState();
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// 识别用户身份
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Future<ApiResponse<UserIdentity>> identifyUser(BiometricData data);
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// 获取行为预测
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Future<ApiResponse<List<PredictedAction>>> getPredictedActions(String userId);
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// 更新感知配置
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Future<ApiResponse<bool>> updateSensingConfig(SensingConfig config);
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}
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```
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## 配置管理
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### 手势配置
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```dart
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class GestureConfig {
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final double sensitivity;
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final double timeoutMs;
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final bool enableCustomGestures;
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final Map<GestureType, GestureSettings> gestureSettings;
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static const GestureConfig defaultConfig = GestureConfig(
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sensitivity: 0.8,
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timeoutMs: 3000,
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enableCustomGestures: true,
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gestureSettings: {
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GestureType.swipeLeft: GestureSettings(threshold: 50.0),
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GestureType.swipeRight: GestureSettings(threshold: 50.0),
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// ... other gestures
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},
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);
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}
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```
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### 语音配置
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```dart
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class VoiceConfig {
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final String languageCode;
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final double noiseReduction;
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final bool continuousListening;
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final VoiceModel model;
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final Map<String, dynamic> customSettings;
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static const VoiceConfig defaultConfig = VoiceConfig(
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languageCode: 'zh-CN',
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noiseReduction: 0.7,
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continuousListening: false,
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model: VoiceModel.enhanced,
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customSettings: {},
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);
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}
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```
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## 算法和模型
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### 手势识别算法
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```dart
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class GestureRecognitionAlgorithm {
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// 特征提取
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List<Feature> extractFeatures(List<Point> trajectory);
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// 模式匹配
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GestureMatch matchPattern(List<Feature> features);
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// 置信度计算
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double calculateConfidence(GestureMatch match);
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// 模型训练
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Future<bool> trainModel(List<TrainingData> data);
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}
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```
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### 语音识别模型
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```dart
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class VoiceRecognitionModel {
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// 音频预处理
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AudioFeatures preprocessAudio(AudioData audio);
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// 语音转文本
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String speechToText(AudioFeatures features);
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// 意图识别
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Intent recognizeIntent(String text);
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// 实体抽取
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Map<String, String> extractEntities(String text);
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}
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```
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## 使用示例
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### 手势控制示例
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```dart
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// 初始化手势引擎
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final gestureEngine = GestureEngine.instance;
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await gestureEngine.initialize();
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// 注册手势处理器
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gestureEngine.registerGestureHandler(
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GestureType.swipeLeft,
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(gesture) async {
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// 执行左滑操作:打开车门
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await CarController.instance.openDoor(DoorPosition.driver);
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},
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);
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// 开始手势检测
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await gestureEngine.startDetection();
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```
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### 语音控制示例
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```dart
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// 初始化语音引擎
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final voiceEngine = VoiceEngine.instance;
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await voiceEngine.initialize(VoiceConfig.defaultConfig);
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// 设置语音指令处理器
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voiceEngine.onVoiceCommand.listen((command) async {
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switch (command.intent) {
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case 'start_engine':
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await CarController.instance.startEngine();
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await voiceEngine.speak('引擎已启动');
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break;
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case 'open_window':
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await CarController.instance.openWindow();
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await voiceEngine.speak('车窗已打开');
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
// 开始语音监听
|
|||
|
|
await voiceEngine.startListening();
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 智能感知示例
|
|||
|
|
```dart
|
|||
|
|
// 初始化感知管理器
|
|||
|
|
final sensingManager = SensingManager.instance;
|
|||
|
|
|
|||
|
|
// 开始环境感知
|
|||
|
|
await sensingManager.startEnvironmentSensing();
|
|||
|
|
|
|||
|
|
// 监听用户接近事件
|
|||
|
|
sensingManager.onUserApproaching.listen((user) async {
|
|||
|
|
// 用户接近时自动解锁车辆
|
|||
|
|
if (user.isAuthorized) {
|
|||
|
|
await CarController.instance.unlockVehicle();
|
|||
|
|
|
|||
|
|
// 根据用户偏好调整车内环境
|
|||
|
|
final preferences = await getUserPreferences(user.id);
|
|||
|
|
await CarController.instance.applyPreferences(preferences);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
## 测试策略
|
|||
|
|
|
|||
|
|
### 单元测试
|
|||
|
|
```dart
|
|||
|
|
group('GestureEngine Tests', () {
|
|||
|
|
test('should recognize swipe left gesture', () async {
|
|||
|
|
// Given
|
|||
|
|
final trajectory = [
|
|||
|
|
Point(100, 50),
|
|||
|
|
Point(80, 50),
|
|||
|
|
Point(60, 50),
|
|||
|
|
Point(40, 50),
|
|||
|
|
Point(20, 50),
|
|||
|
|
];
|
|||
|
|
|
|||
|
|
// When
|
|||
|
|
final gesture = await gestureEngine.recognizeGesture(trajectory);
|
|||
|
|
|
|||
|
|
// Then
|
|||
|
|
expect(gesture.type, GestureType.swipeLeft);
|
|||
|
|
expect(gesture.confidence, greaterThan(0.8));
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 集成测试
|
|||
|
|
```dart
|
|||
|
|
group('TouchGo Integration Tests', () {
|
|||
|
|
testWidgets('complete gesture control flow', (tester) async {
|
|||
|
|
// 1. 初始化系统
|
|||
|
|
await TouchGoService.initialize();
|
|||
|
|
|
|||
|
|
// 2. 模拟手势输入
|
|||
|
|
await tester.simulateGesture(GestureType.swipeLeft);
|
|||
|
|
|
|||
|
|
// 3. 验证车辆响应
|
|||
|
|
verify(mockCarController.openDoor(DoorPosition.driver));
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
## 性能优化
|
|||
|
|
|
|||
|
|
### 算法优化
|
|||
|
|
- **特征缓存**:缓存常用的特征计算结果
|
|||
|
|
- **模型压缩**:使用轻量级的识别模型
|
|||
|
|
- **并行处理**:多线程处理音视频数据
|
|||
|
|
- **增量学习**:在线学习优化识别精度
|
|||
|
|
|
|||
|
|
### 资源管理
|
|||
|
|
- **内存管理**:及时释放不需要的音视频数据
|
|||
|
|
- **CPU调度**:智能调度 AI 计算任务
|
|||
|
|
- **电池优化**:根据电量自动调整功能
|
|||
|
|
- **热量控制**:防止长时间运行过热
|
|||
|
|
|
|||
|
|
## 安全和隐私
|
|||
|
|
|
|||
|
|
### 数据安全
|
|||
|
|
- **本地处理**:敏感数据本地处理,不上传云端
|
|||
|
|
- **数据加密**:生物特征数据加密存储
|
|||
|
|
- **访问控制**:严格的权限控制机制
|
|||
|
|
- **审计日志**:完整的操作审计记录
|
|||
|
|
|
|||
|
|
### 隐私保护
|
|||
|
|
- **数据最小化**:只收集必要的数据
|
|||
|
|
- **用户授权**:明确的用户授权机制
|
|||
|
|
- **数据销毁**:及时删除过期数据
|
|||
|
|
- **匿名化**:敏感数据匿名化处理
|
|||
|
|
|
|||
|
|
## 监控和诊断
|
|||
|
|
|
|||
|
|
### 性能监控
|
|||
|
|
- **识别精度**:手势和语音识别的准确率
|
|||
|
|
- **响应时间**:从输入到执行的延迟
|
|||
|
|
- **资源使用**:CPU、内存、电池使用情况
|
|||
|
|
- **错误率**:系统错误和异常统计
|
|||
|
|
|
|||
|
|
### 用户体验监控
|
|||
|
|
- **使用频率**:各功能的使用频率统计
|
|||
|
|
- **用户满意度**:用户反馈和评分
|
|||
|
|
- **学习效果**:个性化学习的改进效果
|
|||
|
|
- **场景适配**:不同场景下的表现
|
|||
|
|
|
|||
|
|
## 版本历史
|
|||
|
|
|
|||
|
|
### v0.2.6+7 (当前版本)
|
|||
|
|
- 新增多语言语音支持
|
|||
|
|
- 优化手势识别算法
|
|||
|
|
- 改进低光环境下的识别能力
|
|||
|
|
- 修复已知稳定性问题
|
|||
|
|
|
|||
|
|
### v0.2.5
|
|||
|
|
- 支持自定义手势训练
|
|||
|
|
- 新增语音情感识别
|
|||
|
|
- 优化电池使用效率
|
|||
|
|
- 改进安全验证流程
|
|||
|
|
|
|||
|
|
### v0.2.4
|
|||
|
|
- 支持离线语音识别
|
|||
|
|
- 新增环境自适应功能
|
|||
|
|
- 优化识别精度
|
|||
|
|
- 修复兼容性问题
|
|||
|
|
|
|||
|
|
## 依赖关系
|
|||
|
|
|
|||
|
|
### 内部依赖
|
|||
|
|
- `basic_platform`: 平台抽象层
|
|||
|
|
- `basic_error`: 错误处理框架
|
|||
|
|
- `basic_storage`: 本地存储服务
|
|||
|
|
- `kit_native_uikit`: 原生 UI 组件
|
|||
|
|
|
|||
|
|
### 外部依赖
|
|||
|
|
- `camera`: 摄像头访问
|
|||
|
|
- `microphone`: 麦克风访问
|
|||
|
|
- `sensors_plus`: 传感器数据
|
|||
|
|
- `tflite_flutter`: TensorFlow Lite 模型
|
|||
|
|
|
|||
|
|
## 硬件要求
|
|||
|
|
|
|||
|
|
### 最低要求
|
|||
|
|
- **摄像头**: 前置摄像头,分辨率 ≥ 720p
|
|||
|
|
- **麦克风**: 数字麦克风,降噪支持
|
|||
|
|
- **处理器**: ARM64 架构,≥ 1.5GHz
|
|||
|
|
- **内存**: ≥ 2GB RAM
|
|||
|
|
- **存储**: ≥ 500MB 可用空间
|
|||
|
|
|
|||
|
|
### 推荐配置
|
|||
|
|
- **摄像头**: 1080p 前置摄像头,红外夜视
|
|||
|
|
- **麦克风**: 阵列麦克风,回声消除
|
|||
|
|
- **处理器**: ≥ 2.0GHz 多核处理器
|
|||
|
|
- **内存**: ≥ 4GB RAM
|
|||
|
|
- **传感器**: 距离传感器、环境光传感器
|
|||
|
|
|
|||
|
|
## 总结
|
|||
|
|
|
|||
|
|
`clr_touchgo` 作为 Touch&Go 智能交互的核心 SDK,通过集成先进的 AI 技术和传感器融合,为用户提供了自然、便捷、安全的车辆交互体验。该模块不仅支持传统的手势和语音控制,还具备智能感知和预测能力,能够主动为用户提供个性化的服务。
|
|||
|
|
|
|||
|
|
通过持续的算法优化和用户体验改进,TouchGo 技术将继续引领车辆智能交互的发展方向,为 OneApp 用户带来更加智能化的出行体验。
|