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Papers by bo hu

Many motorized window shades have embedded lithium-ion batteries that are charged by solar energy... more Many motorized window shades have embedded lithium-ion batteries that are charged by solar energy via photovoltaic (PV) arrays. The complex models of sun irradiance and energy loss through glasses are used to forecast the energy balance for off-grid long term operation. However, the batteries are often depleted due to partial shading and climate change. The paper presents a new method of monitoring the energy balance of those motorized shades via global networks. The battery voltage variations over time are periodically measured to calculate the input solar energy and the motor consumption. The result can inform users to either add more PV arrays or charge battery using a power adaptor before it is completely discharged. It guarantees the continuous operation of motorized shades.

Conference Presentations by bo hu

Many motorized window shades have embedded lithium-ion batteries that are charged by solar energy... more Many motorized window shades have embedded lithium-ion batteries that are charged by solar energy via photovoltaic (PV) arrays. The complex models of sun irradiance and energy loss through glasses are used to forecast the energy balance for off-grid long term operation. However, the batteries are often depleted due to partial shading and climate change. The paper presents a new method of monitoring the energy balance of those motorized shades via global networks. The battery voltage variations over time are periodically measured to calculate the input solar energy and the motor consumption. The result can inform users to either add more PV arrays or charge battery using a power adaptor before it is completely discharged. It guarantees the continuous operation of motorized shades.

Many motorized window shades have embedded lithium-ion batteries that are charged by solar energy... more Many motorized window shades have embedded lithium-ion batteries that are charged by solar energy via photovoltaic (PV) arrays. The complex models of sun irradiance and energy loss through glasses are used to forecast the energy balance for off-grid long term operation. However, the batteries are often depleted due to partial shading and climate change. The paper presents a new method of monitoring the energy balance of those motorized shades via global networks. The battery voltage variations over time are periodically measured to calculate the input solar energy and the motor consumption. The result can inform users to either add more PV arrays or charge battery using a power adaptor before it is completely discharged. It guarantees the continuous operation of motorized shades.

Many motorized window shades have embedded lithium-ion batteries that are charged by solar energy... more Many motorized window shades have embedded lithium-ion batteries that are charged by solar energy via photovoltaic (PV) arrays. The complex models of sun irradiance and energy loss through glasses are used to forecast the energy balance for off-grid long term operation. However, the batteries are often depleted due to partial shading and climate change. The paper presents a new method of monitoring the energy balance of those motorized shades via global networks. The battery voltage variations over time are periodically measured to calculate the input solar energy and the motor consumption. The result can inform users to either add more PV arrays or charge battery using a power adaptor before it is completely discharged. It guarantees the continuous operation of motorized shades.

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