If the angular velocity of a body changes, it is said to have an angular acceleration . 如果物體的角速度是改變的,就說這個物體具有角加速度。
For a rigid body rotating about a principal axis, the angular acceleration is related to torque by t =ia . 對于繞主軸轉動的剛體來說,角加速度與轉矩的關系是TIa。
Concerning the dynamic with the discussion for angular velocity and angular acceleration of the rigid body rotation 關于剛體轉動的角速度和角加速度的討論
For a rigid body rotating about a principal axis , the angular acceleration is related to torque by t = ia 對于繞主軸轉動的剛體來說,角加速度與轉矩的關系是t ia 。
It will produce very big angular velocity , angular acceleration and angular jerk when tracking fast moving targets . this may lead bigger tracking error and fail to track targets 目標速度的提高將會產生大的角速度、角加速度乃至更大的角加加速度,導致光電經緯儀電視跟蹤動態誤差急劇增大,目標逸出視場,跟蹤失敗。
Then , the discussion of the influence of linear part , the lumped mass of the rigid links and the angular acceleration of flexible joint actuators on the non - linear dynamic character of flexible joint manipulator with flexible links is done 問中還就關節線性項、桿的集中質量和關節驅動加速度對關節非線性特性表現的影響進行了討論。
When high - bandwidth star sensor measurements are available , according to the singer tracking model , the full angular acceleration is modeled as a first order markov process while the use of the attitude dynamics is totally avoided 在能夠獲得高頻星敏感器測量的情況下,針對模型不確定問題,提出了一種基于singer模型的新的濾波算法,把角加速度建模為一階馬爾科夫過程,從而避免了使用姿態動力學模型。
This method of diesel engine fault diagnosis is feasible theoretically . while the fault diagnosis system using this method is rare , just because the crankshaft instantaneous angular acceleration measurement is demanding , such as , good frequency response , high precision 這種柴油機故障診斷的方法在理論上是可行的,但目前這種成型的系統不多,究其原因是測量曲軸的瞬時角加速度需要系統具有良好的頻率響應特性與高精度。
Micro - controller was programed to measure the width of engine running speed signal successively , via pdiusbd12 these measured data are transmitted to pc , according to some algorithm , for pc program to analyze , process and display angular acceleration , thus diagnose diesel engine 單片機連續采集轉速信號的脈沖寬度,同時通過pdiusbd12將采集的數據上傳到個人電腦,供電腦按照特定的算法分析和處理,以進行角加速度波形顯示和柴油機故障診斷。
A numerical simulation of a planar 3r manipulator is performed . the results show that the non - linear torsion springs have important influences on the joint error and tip error of manipulators . moreover , the influences of linear part of non - linear , the lumped mass of the rigid links and the angular acceleration of joint actuators on the non - linear dynamic character of flexible joint manipulator are discussed 首先,建立了剛性桿非線性關節機器人的動力學模型,之后通過一平面3r機器人進行了數值仿真,說明了在一定情況下,關節的非線性對剛性桿機器人關節變形和末端誤差具有重要影響,并在此基礎上,討論了關節線性項、桿的集中質量和關節驅動加速度對機器人關節非線性特性的影響。
(physics) the rate of change of the angular velocity of a rotating body
百科解釋
Angular acceleration is the rate of change of angular velocity. In SI units, it is measured in radians per second squared (rad/s2), and is usually denoted by the Greek letter alpha (α).