The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper studies the minimal energy trajectory to drive the airship from one spot keeping position to a target spot keeping position. After determining and analyzing the three possible work modes of the airship by the Pontryagin's minimum principle, two main problems are investigated. One is to show that the airship can not repeat any of the three modes. By this result, the possible switch sequence...
Power supply is a critical problem for stratospheric airship so it's important to operate airship in the optimal motion mode. This paper studies the optimal trajectory for position correction when airship is drifted away to spot hovering boundary. The optimization model is firstly built under the assumptions of constant wind field and constant propeller efficiency. Then, by using the minimal principle...
The advantages and disadvantages about MATLAB are described in this paper. Several methods of mixed programming between MATLAB and other programming languages such as VC, VB and VC# are presented, including using MATLAB Compiler, MATLAB Engine, the third-party software Matcom, MATLAB Builder for .net to build COM component, MATLAB Visual Add-in and other methods. Finally analysis and suggestions about...
Aiming at the power device open and close faults occurred in the inverter, GUI based simulation platform for inverter drive system under fault condition is studied primarily in this dissertation. Using the S-function block of the MATLAB, the S function of the motor is written. The SIMULINK blocks of the inverter under different power device faults condition are built by the basic blocks of MATLAB/SIMULINK...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.