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題 名 | CGT Design by Linear Exponential Quadratic Gaussian/Loop Transfer Recovery Method=命令產生追蹤器設計之線性指數二次高斯及迴路轉移回歸法研究 |
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作 者 | 蔡渙良; 張哲旭; 林君明; | 書刊名 | 中正嶺學報 |
卷 期 | 25:1 1996.07[民85.07] |
頁 次 | 頁27-46 |
分類號 | 448.5 |
關鍵詞 | 命令產生追蹤器; 線性指數二次高斯法; 迴路轉移回歸法; Command-generator tracker; Linear exponential quadratic gaussian; Loop transfer recovery; |
語 文 | 英文(English) |
中文摘要 | 本文提出一種以線性指數二次高斯及迴路轉移回歸法從事命令產生追蹤器強健性 設計。由於以本法所設計最佳狀態迴授控制器及前饋控制器同時考慮系統本身及量測所產生 的雜訊,因此本文所提出的方法比線性二次高斯法更具強健性。本文推導一種同時考慮時域 、頻域設計規格及強健性設計法則,並以內建 DGSR-CMG 衛星姿態控制系統來進行設計模擬 ,以說明本方法對擾動、感測器雜訊及系統參數變動更具強健性,同時時域響應亦較佳。 |
英文摘要 | The objective of this paper is to propose a method for a Command- Generator Tracker (CGT) design based on the Linear Exponential Quadratic Gaussian (LEQG) and Loop Transfer Recovery (LEQG/LTR) methodology. Since both optimal feedback and feedforward gains of the controllers can take the covariances of both system and measurement noises into consideration, whereas the traditional LQG method cannot, the proposed method is more robust. This paper also derives the algorithms which can take all the time domain, frequency domain, and robustness techniques into a unified method. An example of a spinning satellite with Double Gimbals Single Rotor-Control Moment Gyro (DGSR-CMG) for the attitude control is given to demonstrate that the proposed method is more robust to disturbance, sensor noise, and parameter variations, but also gives better time-domain responses. |
本系統中英文摘要資訊取自各篇刊載內容。