期刊文献+
共找到4篇文章
< 1 >
每页显示 20 50 100
考虑可调市场和外部需求响应的虚拟电厂优化运行策略 被引量:5
1
作者 黄蔚亮 苏志鹏 +3 位作者 梁欣怡 陈涛 王莉 周亮 《中国电力》 CSCD 北大核心 2023年第12期156-163,共8页
虚拟电厂参与电网需求响应已成为新型电力系统削峰填谷的重要手段,提高虚拟电厂在电力市场的获益能力十分关键。为此,提出一种考虑可调市场和外部需求响应的虚拟电厂优化运行策略。首先,建立调节市场(regulating market,RM)和需求响应... 虚拟电厂参与电网需求响应已成为新型电力系统削峰填谷的重要手段,提高虚拟电厂在电力市场的获益能力十分关键。为此,提出一种考虑可调市场和外部需求响应的虚拟电厂优化运行策略。首先,建立调节市场(regulating market,RM)和需求响应交换市场(demand response exchange market,DRXM)模型;其次,考虑外部需求响应(external demand response,EDR)灵活性,建立虚拟电厂参与日前和调节市场的运行决策框架。DRXM作为多个EDR供应商的聚合者,向虚拟电厂提供EDR服务,降低RM的不平衡惩罚,提高虚拟电厂经济性;然后,构建虚拟电厂双层优化运行模型,上层虚拟电厂通过参与DRXM降低RM惩罚,实现利润最大化,下层配电系统运营商通过清除日前和调节市场偏差,实现运行成本最小化,采用KKT条件将优化模型转化为单层问题求解;最后,以改进IEEE 33节点配电网系统进行算例分析,验证了所提策略对虚拟电厂获益能力提升的有效性。 展开更多
关键词 需求响应 虚拟电厂 调节市场 KKT条件 双层问题
下载PDF
新工科背景下机器视觉课程的问题式教学法改革 被引量:1
2
作者 蒋大成 陈超波 +2 位作者 马天力 赵素平 朱楠 《创新创业理论研究与实践》 2023年第23期58-60,共3页
机器视觉是新工科机器人工程专业的核心课程,其传统教学法存在一定的问题。通过启发式教学思想提出了问题式教学方法,可以改善当前课程教学存在的不足,有效激发学生的学习兴趣,提高教学质量和效果。两级式问题教学方法的创造与改进解决... 机器视觉是新工科机器人工程专业的核心课程,其传统教学法存在一定的问题。通过启发式教学思想提出了问题式教学方法,可以改善当前课程教学存在的不足,有效激发学生的学习兴趣,提高教学质量和效果。两级式问题教学方法的创造与改进解决了问题式教学法在内容快速更新的课程中应用的难点,使得在高迭代的新工科应用型课程中可以较高质量地应用问题式教学法。改革后的机器视觉课程可以快速迭代最新的工程知识,使学生在问题的引导下将理论学习与实践应用相结合,提升教学效果,将学生培养成为行业所需的人才。 展开更多
关键词 问题式教学 新工科 机器视觉 机器人工程 实践教学 两级式问题教学
原文传递
Applied Study of Price Discrimination Implemented on a Two-Path Route Expressway
3
作者 石京 《Tsinghua Science and Technology》 SCIE EI CAS 2006年第6期632-639,共8页
This study aims at implementing price discrimination to get maximum revenue on a two-path route expressway, focusing on the problems which occur in traffic forecasting when applying a "profit-maximizing" toll design... This study aims at implementing price discrimination to get maximum revenue on a two-path route expressway, focusing on the problems which occur in traffic forecasting when applying a "profit-maximizing" toll designed to maximize revenue for a certain toll road in Japan. A break-even discussion is inevitable in the process of planning a certain toll road. According to the theory of transportation economics, market segmentation price discrimination is supposed to be efficient in the transportation market to increase the revenue of fixed facilities. In the model, a bypass and an adjacent expressway form a two-path route section. Two different toll levels are implemented for the bypass: one is for through traffic, and the other is for insideinside and inside-outside traffics. This two-path route plus two-toll-level system thus causes difficulty in traffic assignment that is based on the minimum route searching method. In the study, a rational approach of adjusting the through traffic is implemented to predict the traffic flow as well as revenue on two parallel routes with different toll levels. The approximate calculation method that fixes the split rate of the passing through traffic flow is applied to solve the two-path route plus two-toll-level problem since passing through traffic is price elastic. Market segmentation pricing, which gives two toll levels in a toll road, is proved to be practical for increasing revenue. The results are also verified to be rational by using the survey data of Meishin Expressway. 展开更多
关键词 road planning traffic forecast two-toll-level problem price discrimination
原文传递
A Two-Level Purchase Problem for Food Retailing in Japan
4
作者 Masatoshi Sakawa Ichiro Nishizaki +1 位作者 Takeshi Matsui Tomohiro Hayashida 《American Journal of Operations Research》 2012年第4期482-494,共13页
In this paper, we deal with a purchase problem for food retailing, and formulate a two-level linear programming problem with a food retailer and a distributer. The food retailer deals with vegetables and fruits which ... In this paper, we deal with a purchase problem for food retailing, and formulate a two-level linear programming problem with a food retailer and a distributer. The food retailer deals with vegetables and fruits which are purchased from the distributer;the distributer buys vegetables and fruits ordered from the food retailer at the central wholesale markets in several cities, and transports them by truck from each of the central wholesaler markets to the food retailer’s storehouse. We solve the two-level linear programming problem in which the profits of the food retailer and the distributer are maximized. 展开更多
关键词 PURCHASE problem FOOD Retailing STACKELBERG Solution two-level Linear PROGRAMMING problem
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部