Topic
Paddle
About: Paddle is a research topic. Over the lifetime, 5649 publications have been published within this topic receiving 28389 citations.
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TL;DR: A feed-forward control scheme based on iterative learning control to accurately achieve the stroke movement of the paddle as determined by using three input-output maps implemented by means of locally weighted regression.
Abstract: We propose a method of controlling a table tennis robot so as to return the incoming ball to a desired point on the table with specified flight duration. The proposed method consists of the following three input-output maps implemented by means of locally weighted regression: 1) a map for predicting the impact time of the ball hit by the paddle and the ball position and velocity at that moment according to input vectors describing the state of the incoming ball; 2) a map representing a change in ball velocities before and after impact; and 3) a map giving the relation between the ball velocity just after impact and the landing point and time of the returned ball. We also propose a feed-forward control scheme based on iterative learning control to accurately achieve the stroke movement of the paddle as determined by using these maps. Experimental results including rallies with a human opponent are also reported to demonstrate the effectiveness of our approach.
125 citations
Patent•
20 Jan 1999
TL;DR: In this article, a knee joint balancing instrument is described, having a first body (14) that includes a first paddle (24) for engaging a proximal end of a tibial bone and a second body (18) including a second paddle (50) for engaged a distal end of femoral bone.
Abstract: A knee joint balancing instrument (10) having a first body (14) that includes a first paddle (24) for engaging a proximal end of a tibial bone and a second body (18) that includes a second paddle (50) for engaging a distal end of a femoral bone. A rack (16) is attached to the first body and is moveable relative thereto in a superior-inferior direction. The second body is pivotally mounted to the rack for pivoting about an axis extending in an anterior-posterior direction. Tension can be induced in the medial and lateral soft tissues of the knee joint by moving the rack.
123 citations
Patent•
22 May 1998TL;DR: In this article, a semiconductor package and a corresponding method of forming this package are provided, which includes a paddle and a semiconducting device mounted on the paddle and spaced apart from the semiconductor device.
Abstract: A semiconductor package and a corresponding method of forming this package are provided. The semiconductor package includes a paddle and a semiconductor device mounted on the paddle. A passive electronic component is also mounted on the paddle and spaced apart from the semiconductor device. Interconnects provide a conductive path from a bonding pad of the semiconductor device to a bonding pad of the passive electronic component such that the passive electronic component and semiconductor device are operatively connected.
121 citations
TL;DR: The interaction of externally applied Hanatoxin with the voltage-sensor paddle in Kv channels is studied and it is shown that the toxin binds tightly even at negative voltages where the paddle is resting and the channel is closed.
121 citations
TL;DR: It is concluded that anterolateral paddles are as effective as anteroposterior paddles for the elective cardioversion of atrial arrhythmias, and that there is no demonstrable advantage to using paddles that are larger than the standard size in either position.
Abstract: We compared the success rates and energy requirements of two electrode-paddle positions (anteroposterior vs. anterolateral) and different paddle sizes in the elective cardioversion of atrial arrhythmias. We prospectively studied 173 patients - 111 in atrial fibrillation and 62 in atrial flutter. The anterolateral paddles used were either two standard-size (8.5-cm diameter) paddles or one 13-cm diameter anterior paddle with one standard-size lateral paddle. The anteroposterior paddles used were either a standard-size or a 13-cm anterior paddle with 12-cm posterior paddle. Overall cardioversion success rates with either paddle position were similar (greater than 90 per cent). The larger paddles did not significantly reduce energy requirements for cardioversion of either arrhythmia. We conclude that anterolateral paddles are as effective as anteroposterior paddles for the elective cardioversion of atrial arrhythmias, and that there is no demonstrable advantage to using paddles that are larger than the standard size in either position.
117 citations