示例： HeartBeat 用于监控设备连接的设备 AWS IoT Events

该探测器模型是 AWS IoT Events 控制台提供的模板之一。为方便起见，它包含在此处。

心跳缺陷 (DHB) 示例说明了 AWS IoT Events 如何在医疗保健监测中使用。此示例说明如何创建检测器模型来分析心率数据、检测不规则模式并触发适当的响应。学习设置输入、定义阈值和配置潜在心脏问题警报，展示相关医疗保健应用 AWS IoT Events的多功能性。

{
    "detectorModelDefinition": {
        "states": [
            {
                "onInput": {
                    "transitionEvents": [
                        {
                            "eventName": "To_normal",
                            "actions": [],
                            "condition": "currentInput(\"AWS_IoTEvents_Blueprints_Heartbeat_Input\")",
                            "nextState": "Normal"
                        }
                    ],
                    "events": []
                },
                "stateName": "Offline",
                "onEnter": {
                    "events": [
                        {
                            "eventName": "Send_notification",
                            "actions": [
                                {
                                    "sns": {
                                        "targetArn": "sns-topic-arn"
                                    }
                                }
                            ],
                            "condition": "true"
                        }
                    ]
                },
                "onExit": {
                    "events": []
                }
            },
            {
                "onInput": {
                    "transitionEvents": [
                        {
                            "eventName": "Go_offline",
                            "actions": [],
                            "condition": "timeout(\"awake\")",
                            "nextState": "Offline"
                        }
                    ],
                    "events": [
                        {
                            "eventName": "Reset_timer",
                            "actions": [
                                {
                                    "resetTimer": {
                                        "timerName": "awake"
                                    }
                                }
                            ],
                            "condition": "currentInput(\"AWS_IoTEvents_Blueprints_Heartbeat_Input\")"
                        }
                    ]
                },
                "stateName": "Normal",
                "onEnter": {
                    "events": [
                        {
                            "eventName": "Create_timer",
                            "actions": [
                                {
                                    "setTimer": {
                                        "seconds": 300,
                                        "timerName": "awake"
                                    }
                                }
                            ],
                            "condition": "$input.AWS_IoTEvents_Blueprints_Heartbeat_Input.value > 0"
                        }
                    ]
                },
                "onExit": {
                    "events": []
                }
            }
        ],
        "initialStateName": "Normal"
    }
}