為解決直流逆變交流的問題,有效地利用能源,讓電源輸出最大功率,設計了高性能的基于IR2101最大功率跟蹤逆變器,并以SPMC75F2413A單片機作為主控制器。高電壓、高速功率的MOSFET或IGBT驅動器IR2101采用高度集成的電平轉換技術,同時上管采用外部自舉電容上電,能夠穩定高效地驅動MOS管。該逆變器可以實現DC/AC的轉換,最大功率點的跟蹤等功能。實際測試結果表明,該逆變器系統具有跟蹤能力強,穩定性高,反應靈敏等特點,該逆變器不僅可應用于普通的電源逆變系統,而且可應用于光伏并網發電的逆變系統,具有廣泛的市場前景。
Abstract:
To solve the problem of DC-AC inverter, and to utilize solar energy more efficiently, the design of maximum power point tracking inverter based on IR2101 was achieved with a high-performance, which can make the system output power maximum. SPMC75F2413A was adopted as main controller. IR2101 is a high voltage, high speed power MOSFET and IGBT driver. It adopted highly integrated voltage level transforming technology, and an external bootstrap capacitor was used, which could drive MOS tube efficiently and stably. Many functions are achieved in the system, such as DC/AC conversion, maximun power point tracking, etc. The actual test result shows that the inverter system has characteristics of strong tracking ability, high stability and reacting quickly. The design can not only be used in ordinary power inverter system, but also be used in photovoltaic power inverter system. The design has certain marketing prospects
針對當前安檢力學試驗機所能完成的試驗種類單一、自動化程度低等問題,提出一種以ATmega128單片機為核心控制器的安檢力學試驗機的設計。詳細闡述了該安檢力學試驗機各個組成部分的設計原理和方案,并且給出了各部分的軟件設計思想和操作流程。經過大量測試試驗表明:設計的安檢力學試驗機可以完成多達十余種的力學安檢試驗,完全符合相關國家標準,并且具有數據采集精度高、傳輸速度快、操作安全簡便等特點,實現了安檢設備的多功能化、數字化和自動化。
Abstract:
Currently, many mechanical security testing machines have only one function. The degree of automation of them is low. To solve those problems, a new kind of mechanical security testing machine, using ATmega128 micro-controller as its core controller, has been advanced. It describes the components of the machine. The principles and the scheme in the designing processes are presented in detail, and the software architecture and the operation processes of each part are given. After having done many testing, we have reached the following conclusions: the mechanical security testing machine presented can do over ten mechanical security tests complying with related national standards. It has high data acquisition accuracy and high transmission speed. The operation of the machine is simple and safe. In general, this machine is a multi-functional, highly automatic, digitalized security testing device.
隨著當前電子技術及發動機電控技術的發展,以32位嵌入式微控制器及多任務實時操作系統為基本技術特征的新一代電子控制單元ECU(Electronic Control Unit)的開發已成為汽車電子發展應用的主流。本文在Tonadofor OSEKWorks多任務實時操作系統及32佗Power PC微控制器MPC555的基礎上,介紹高壓共軌柴油發動機電子控制單元的最小系統設計方案。