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Uni-Lab-OS/unilabos/test/registry/example_devices.py
Xuwznln 75f09034ff update docs, test examples
fix liquid_handler init bug
2025-11-18 18:42:27 +08:00

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17 KiB
Python

"""
示例设备类文件,用于测试注册表编辑器
"""
import asyncio
from typing import Dict, Any, List
from unilabos.ros.nodes.base_device_node import BaseROS2DeviceNode
class SmartPumpController:
"""
智能泵控制器
支持多种泵送模式,具有高精度流量控制和自动校准功能。
适用于实验室自动化系统中的液体处理任务。
"""
_ros_node: BaseROS2DeviceNode
def __init__(self, device_id: str = "smart_pump_01", port: str = "/dev/ttyUSB0"):
"""
初始化智能泵控制器
Args:
device_id: 设备唯一标识符
port: 通信端口
"""
self.device_id = device_id
self.port = port
self.is_connected = False
self.current_flow_rate = 0.0
self.total_volume_pumped = 0.0
self.calibration_factor = 1.0
self.pump_mode = "continuous" # continuous, volume, rate
def post_init(self, ros_node: BaseROS2DeviceNode):
self._ros_node = ros_node
def connect_device(self, timeout: int = 10) -> bool:
"""
连接到泵设备
Args:
timeout: 连接超时时间(秒)
Returns:
bool: 连接是否成功
"""
# 模拟连接过程
self.is_connected = True
return True
def disconnect_device(self) -> bool:
"""
断开设备连接
Returns:
bool: 断开连接是否成功
"""
self.is_connected = False
self.current_flow_rate = 0.0
return True
def set_flow_rate(self, flow_rate: float, units: str = "ml/min") -> bool:
"""
设置泵流速
Args:
flow_rate: 流速值
units: 流速单位
Returns:
bool: 设置是否成功
"""
if not self.is_connected:
return False
self.current_flow_rate = flow_rate
return True
async def pump_volume_async(self, volume: float, flow_rate: float) -> Dict[str, Any]:
"""
异步泵送指定体积的液体
Args:
volume: 目标体积 (mL)
flow_rate: 泵送流速 (mL/min)
Returns:
Dict: 包含操作结果的字典
"""
if not self.is_connected:
return {"success": False, "error": "设备未连接"}
# 计算泵送时间
pump_time = (volume / flow_rate) * 60 # 转换为秒
self.current_flow_rate = flow_rate
await self._ros_node.sleep(min(pump_time, 3.0)) # 模拟泵送过程
self.total_volume_pumped += volume
self.current_flow_rate = 0.0
return {
"success": True,
"pumped_volume": volume,
"actual_time": min(pump_time, 3.0),
"total_volume": self.total_volume_pumped,
}
def emergency_stop(self) -> bool:
"""
紧急停止泵
Returns:
bool: 停止是否成功
"""
self.current_flow_rate = 0.0
return True
def perform_calibration(self, reference_volume: float, measured_volume: float) -> bool:
"""
执行泵校准
Args:
reference_volume: 参考体积
measured_volume: 实际测量体积
Returns:
bool: 校准是否成功
"""
if measured_volume > 0:
self.calibration_factor = reference_volume / measured_volume
return True
return False
# 状态查询方法
def get_connection_status(self) -> str:
"""获取连接状态"""
return "connected" if self.is_connected else "disconnected"
def get_current_flow_rate(self) -> float:
"""获取当前流速 (mL/min)"""
return self.current_flow_rate
def get_total_volume(self) -> float:
"""获取累计泵送体积 (mL)"""
return self.total_volume_pumped
def get_calibration_factor(self) -> float:
"""获取校准因子"""
return self.calibration_factor
def get_pump_mode(self) -> str:
"""获取泵送模式"""
return self.pump_mode
def get_device_status(self) -> Dict[str, Any]:
"""获取设备完整状态信息"""
return {
"device_id": self.device_id,
"connected": self.is_connected,
"flow_rate": self.current_flow_rate,
"total_volume": self.total_volume_pumped,
"calibration_factor": self.calibration_factor,
"mode": self.pump_mode,
"running": self.current_flow_rate > 0,
}
class AdvancedTemperatureController:
"""
高级温度控制器
支持PID控制、多点温度监控和程序化温度曲线。
适用于需要精确温度控制的化学反应和材料处理过程。
"""
_ros_node: BaseROS2DeviceNode
def __init__(self, controller_id: str = "temp_controller_01"):
"""
初始化温度控制器
Args:
controller_id: 控制器ID
"""
self.controller_id = controller_id
self.current_temperature = 25.0
self.target_temperature = 25.0
self.is_heating = False
self.is_cooling = False
self.pid_enabled = True
self.temperature_history: List[Dict] = []
def post_init(self, ros_node: BaseROS2DeviceNode):
self._ros_node = ros_node
def set_target_temperature(self, temperature: float, rate: float = 10.0) -> bool:
"""
设置目标温度
Args:
temperature: 目标温度 (°C)
rate: 升温/降温速率 (°C/min)
Returns:
bool: 设置是否成功
"""
self.target_temperature = temperature
return True
async def heat_to_temperature_async(
self, temperature: float, tolerance: float = 0.5, timeout: int = 600
) -> Dict[str, Any]:
"""
异步加热到指定温度
Args:
temperature: 目标温度 (°C)
tolerance: 温度容差 (°C)
timeout: 最大等待时间 (秒)
Returns:
Dict: 操作结果
"""
self.target_temperature = temperature
start_temp = self.current_temperature
if temperature > start_temp:
self.is_heating = True
elif temperature < start_temp:
self.is_cooling = True
# 模拟温度变化过程
steps = min(abs(temperature - start_temp) * 2, 20) # 计算步数
step_time = min(timeout / steps if steps > 0 else 1, 2.0) # 每步最多2秒
for step in range(int(steps)):
progress = (step + 1) / steps
self.current_temperature = start_temp + (temperature - start_temp) * progress
# 记录温度历史
self.temperature_history.append(
{
"timestamp": asyncio.get_event_loop().time(),
"temperature": self.current_temperature,
"target": self.target_temperature,
}
)
await self._ros_node.sleep(step_time)
# 保持历史记录不超过100条
if len(self.temperature_history) > 100:
self.temperature_history.pop(0)
# 最终设置为目标温度
self.current_temperature = temperature
self.is_heating = False
self.is_cooling = False
return {
"success": True,
"final_temperature": self.current_temperature,
"start_temperature": start_temp,
"time_taken": steps * step_time,
}
def enable_pid_control(self, kp: float = 1.0, ki: float = 0.1, kd: float = 0.05) -> bool:
"""
启用PID控制
Args:
kp: 比例增益
ki: 积分增益
kd: 微分增益
Returns:
bool: 启用是否成功
"""
self.pid_enabled = True
return True
def run_temperature_program(self, program: List[Dict]) -> bool:
"""
运行温度程序
Args:
program: 温度程序列表,每个元素包含温度和持续时间
Returns:
bool: 程序启动是否成功
"""
# 模拟程序启动
return True
# 状态查询方法
def get_current_temperature(self) -> float:
"""获取当前温度 (°C)"""
return round(self.current_temperature, 2)
def get_target_temperature(self) -> float:
"""获取目标温度 (°C)"""
return self.target_temperature
def get_heating_status(self) -> bool:
"""获取加热状态"""
return self.is_heating
def get_cooling_status(self) -> bool:
"""获取制冷状态"""
return self.is_cooling
def get_pid_status(self) -> bool:
"""获取PID控制状态"""
return self.pid_enabled
def get_temperature_history(self) -> List[Dict]:
"""获取温度历史记录"""
return self.temperature_history[-10:] # 返回最近10条记录
def get_controller_status(self) -> Dict[str, Any]:
"""获取控制器完整状态"""
return {
"controller_id": self.controller_id,
"current_temp": self.current_temperature,
"target_temp": self.target_temperature,
"is_heating": self.is_heating,
"is_cooling": self.is_cooling,
"pid_enabled": self.pid_enabled,
"history_count": len(self.temperature_history),
}
class MultiChannelAnalyzer:
"""
多通道分析仪
支持同时监测多个通道的信号,提供实时数据采集和分析功能。
常用于光谱分析、电化学测量等应用场景。
"""
_ros_node: BaseROS2DeviceNode
def __init__(self, analyzer_id: str = "analyzer_01", channels: int = 8):
"""
初始化多通道分析仪
Args:
analyzer_id: 分析仪ID
channels: 通道数量
"""
self.analyzer_id = analyzer_id
self.channel_count = channels
self.channel_data = {i: {"value": 0.0, "unit": "V", "enabled": True} for i in range(channels)}
self.is_measuring = False
self.sample_rate = 1000 # Hz
def post_init(self, ros_node: BaseROS2DeviceNode):
self._ros_node = ros_node
def configure_channel(self, channel: int, enabled: bool = True, unit: str = "V") -> bool:
"""
配置通道
Args:
channel: 通道编号
enabled: 是否启用
unit: 测量单位
Returns:
bool: 配置是否成功
"""
if 0 <= channel < self.channel_count:
self.channel_data[channel]["enabled"] = enabled
self.channel_data[channel]["unit"] = unit
return True
return False
async def start_measurement_async(self, duration: int = 10) -> Dict[str, Any]:
"""
开始异步测量
Args:
duration: 测量持续时间(秒)
Returns:
Dict: 测量结果
"""
self.is_measuring = True
# 模拟数据采集
measurements = []
for _ in range(duration):
timestamp = asyncio.get_event_loop().time()
frame_data = {}
for channel in range(self.channel_count):
if self.channel_data[channel]["enabled"]:
# 模拟传感器数据
import random
value = random.uniform(-5.0, 5.0)
frame_data[f"channel_{channel}"] = value
self.channel_data[channel]["value"] = value
measurements.append({"timestamp": timestamp, "data": frame_data})
await self._ros_node.sleep(1.0) # 每秒采集一次
self.is_measuring = False
return {
"success": True,
"duration": duration,
"samples_count": len(measurements),
"measurements": measurements[-5:], # 只返回最后5个样本
"channels_active": len([ch for ch in self.channel_data.values() if ch["enabled"]]),
}
def stop_measurement(self) -> bool:
"""
停止测量
Returns:
bool: 停止是否成功
"""
self.is_measuring = False
return True
def reset_channels(self) -> bool:
"""
重置所有通道
Returns:
bool: 重置是否成功
"""
for channel in self.channel_data:
self.channel_data[channel]["value"] = 0.0
return True
# 状态查询方法
def get_measurement_status(self) -> bool:
"""获取测量状态"""
return self.is_measuring
def get_channel_count(self) -> int:
"""获取通道数量"""
return self.channel_count
def get_sample_rate(self) -> float:
"""获取采样率 (Hz)"""
return self.sample_rate
def get_channel_values(self) -> Dict[int, float]:
"""获取所有通道的当前值"""
return {ch: data["value"] for ch, data in self.channel_data.items() if data["enabled"]}
def get_enabled_channels(self) -> List[int]:
"""获取已启用的通道列表"""
return [ch for ch, data in self.channel_data.items() if data["enabled"]]
def get_analyzer_status(self) -> Dict[str, Any]:
"""获取分析仪完整状态"""
return {
"analyzer_id": self.analyzer_id,
"channel_count": self.channel_count,
"is_measuring": self.is_measuring,
"sample_rate": self.sample_rate,
"active_channels": len(self.get_enabled_channels()),
"channel_data": self.channel_data,
}
class AutomatedDispenser:
"""
自动分配器
精确控制固体和液体材料的分配,支持多种分配模式和容器管理。
集成称重功能,确保分配精度和重现性。
"""
_ros_node: BaseROS2DeviceNode
def __init__(self, dispenser_id: str = "dispenser_01"):
"""
初始化自动分配器
Args:
dispenser_id: 分配器ID
"""
self.dispenser_id = dispenser_id
self.is_ready = True
self.current_position = {"x": 0.0, "y": 0.0, "z": 0.0}
self.dispensed_total = 0.0
self.container_capacity = 1000.0 # mL
self.precision_mode = True
def post_init(self, ros_node: BaseROS2DeviceNode):
self._ros_node = ros_node
def move_to_position(self, x: float, y: float, z: float) -> bool:
"""
移动到指定位置
Args:
x: X坐标 (mm)
y: Y坐标 (mm)
z: Z坐标 (mm)
Returns:
bool: 移动是否成功
"""
self.current_position = {"x": x, "y": y, "z": z}
return True
async def dispense_liquid_async(self, volume: float, container_id: str, viscosity: str = "low") -> Dict[str, Any]:
"""
异步分配液体
Args:
volume: 分配体积 (mL)
container_id: 容器ID
viscosity: 液体粘度等级
Returns:
Dict: 分配结果
"""
if not self.is_ready:
return {"success": False, "error": "设备未就绪"}
if volume <= 0:
return {"success": False, "error": "体积必须大于0"}
# 模拟分配过程
dispense_time = volume * 0.1 # 每mL需要0.1秒
if viscosity == "high":
dispense_time *= 2 # 高粘度液体需要更长时间
await self._ros_node.sleep(min(dispense_time, 5.0)) # 最多等待5秒
self.dispensed_total += volume
return {
"success": True,
"dispensed_volume": volume,
"container_id": container_id,
"actual_time": min(dispense_time, 5.0),
"total_dispensed": self.dispensed_total,
}
def clean_dispenser(self, wash_volume: float = 5.0) -> bool:
"""
清洗分配器
Args:
wash_volume: 清洗液体积 (mL)
Returns:
bool: 清洗是否成功
"""
# 模拟清洗过程
return True
def calibrate_volume(self, target_volume: float) -> bool:
"""
校准分配体积
Args:
target_volume: 校准目标体积 (mL)
Returns:
bool: 校准是否成功
"""
# 模拟校准过程
return True
# 状态查询方法
def get_ready_status(self) -> bool:
"""获取就绪状态"""
return self.is_ready
def get_current_position(self) -> Dict[str, float]:
"""获取当前位置坐标"""
return self.current_position.copy()
def get_dispensed_total(self) -> float:
"""获取累计分配体积 (mL)"""
return self.dispensed_total
def get_container_capacity(self) -> float:
"""获取容器容量 (mL)"""
return self.container_capacity
def get_precision_mode(self) -> bool:
"""获取精密模式状态"""
return self.precision_mode
def get_dispenser_status(self) -> Dict[str, Any]:
"""获取分配器完整状态"""
return {
"dispenser_id": self.dispenser_id,
"ready": self.is_ready,
"position": self.current_position,
"dispensed_total": self.dispensed_total,
"capacity": self.container_capacity,
"precision_mode": self.precision_mode,
}