書誌事項
- タイトル別名
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- Development of a Rotation-type Actively-controlled Bed for an Ambulance
- 救急車輌用回転式アクティブ制御ベッドの開発--適合原理に基づく制御系設計
- キュウキュウ シャリョウヨウ カイテンシキ アクティブ セイギョ ベッド ノ カイハツ テキゴウ ゲンリ ニ モトヅク セイギョケイ セッケイ
- Control System Design Based on the Principle of Matching
- 適合原理に基づく制御系設計
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When an ambulance changes a lane or turns a corner, the lateral acceleration acts on a patient. Such acceleration causes patient's discomfort, carsickness and physical pain. To reduce the effect of lateral acceleration on a patient, we made the prototype of an actively-controlled bed for ambulances that rotates the bed around the axis of a patient's body with a DC servo motor. The purpose of this paper is to report the control system design for this actively-controlled bed and to evaluate its control performance in simulation and experiment. In the framework of the principle of matching, the control system is designed as a servo system so that the tracking error and the motor torque are maintained within the tolerable bounds in actual situation. The design problem is formulated to a feasibility problem stated as inequality constraints. A numerical search is performed to find parameters of a controller. In experiment, it is confirmed that the lateral acceleration acting on a patient is reduced to about 25% as compared to use of normal fixed beds. In simulation, the cancellation rate of lateral acceleration is examined when the rotational angle of the bed is restricted to ±5, ±10 or ±15 degrees.
収録刊行物
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- 計測自動制御学会論文集
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計測自動制御学会論文集 41 (3), 202-209, 2005
公益社団法人 計測自動制御学会
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詳細情報 詳細情報について
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- CRID
- 1390001204504998400
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- NII論文ID
- 10015595591
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- NII書誌ID
- AN00072392
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- ISSN
- 18838189
- 04534654
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- NDL書誌ID
- 7288236
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