为设计低成本、高效能的卫星,提出了一种卫星全寿命周期效费权衡优化方法,结合卫星不可修、在轨运行中可能存在降级使用等情况,建立了以ADC(availability,dependability,capacity)模型为基础的全寿命周期效能评估模型,提出了多维度参数...为设计低成本、高效能的卫星,提出了一种卫星全寿命周期效费权衡优化方法,结合卫星不可修、在轨运行中可能存在降级使用等情况,建立了以ADC(availability,dependability,capacity)模型为基础的全寿命周期效能评估模型,提出了多维度参数成本模型以评估卫星费用,开发了基于CAIV(cost as an independent variable)方法的效费优化模型及求解方法。以遥感卫星为例开展应用验证,结果表明,所提出的方法可实现能力指标、可靠性和重量等卫星总体设计指标优化,为卫星方案论证、任务管理、全寿命周期费用管控等工作提供指导。展开更多
With the establishment of the carbon-peak target by 2030,the direction of carbon emission reduction in China’s energy system has been further clarified.As the industry with the largest proportion of carbon emissions ...With the establishment of the carbon-peak target by 2030,the direction of carbon emission reduction in China’s energy system has been further clarified.As the industry with the largest proportion of carbon emissions in China,the lowcarbon transformation of the electric power industry is critical to realize the carbon-peak target.Current research mostly focuses on technical analysis or system cost accounting of the carbon-peak realization path at the national level.There is a lack of targeted research on regional power systems with complex inter-regional power flow exchange and limited energy resource development.Simultaneously,the calculation of the system cost lacks the perspective of the life cycle and ignores the inertia of the stock and change inertia of incremental disturbance.From the perspective of the life cycle,this study proposes a calculation model of power supply cost for regional power systems according to the carbon-peak target,analyzes the realization path of the carbon target from an economic perspective,and provides references for the path selection and policy formulation of system transformation.展开更多
文摘为设计低成本、高效能的卫星,提出了一种卫星全寿命周期效费权衡优化方法,结合卫星不可修、在轨运行中可能存在降级使用等情况,建立了以ADC(availability,dependability,capacity)模型为基础的全寿命周期效能评估模型,提出了多维度参数成本模型以评估卫星费用,开发了基于CAIV(cost as an independent variable)方法的效费优化模型及求解方法。以遥感卫星为例开展应用验证,结果表明,所提出的方法可实现能力指标、可靠性和重量等卫星总体设计指标优化,为卫星方案论证、任务管理、全寿命周期费用管控等工作提供指导。
基金supported by National Key R&D Program of China(2018YFB0905000).
文摘With the establishment of the carbon-peak target by 2030,the direction of carbon emission reduction in China’s energy system has been further clarified.As the industry with the largest proportion of carbon emissions in China,the lowcarbon transformation of the electric power industry is critical to realize the carbon-peak target.Current research mostly focuses on technical analysis or system cost accounting of the carbon-peak realization path at the national level.There is a lack of targeted research on regional power systems with complex inter-regional power flow exchange and limited energy resource development.Simultaneously,the calculation of the system cost lacks the perspective of the life cycle and ignores the inertia of the stock and change inertia of incremental disturbance.From the perspective of the life cycle,this study proposes a calculation model of power supply cost for regional power systems according to the carbon-peak target,analyzes the realization path of the carbon target from an economic perspective,and provides references for the path selection and policy formulation of system transformation.
