In chapter 2, author points out firstly that the elastic deformation of elastic units of a robot ' s wrist force sensor will be enlarged by the end - effector, the instruments and the work pieces, so the elastic deformation of the sensor will influence the location accuracy or kinetic accuracy of end point of a robot, under the condition of that the robot technology facing the developing of heavy load, light mass and high accuracy. it is discussed respectively that the relationship between the differential kinemics in the sensor ' s coordinate and the location accuracy or kinetic accuracy of the end point. error matrixes of location and kinemics of the end point are presented respectively based on the differential kinemics in the sensor ' s coordinate, and the on - line error compensation methods are introduced subsequently
第二章首先指出機器人
腕力傳感器彈性體的彈性變形經過機器人末端連桿、工具、工件等的放大后,會對機器人末端精確定位和運動產生的影響;然後分別研究了傳感器坐標系內的微分運動與機器人末端工件精確定位、運動的關系;在此
基礎上,研究了
基於
腕力傳感器彈性體微分運動的機器人末端定位、運動誤差的誤差矩陣及其在線誤差補償方法;
基於機器人動力學的機器人末端定位、運動誤差的誤差矩陣及其在線誤差補償方法;最後,以puma型機器人為對象,給出了
基於
腕力傳感器內微分運動的機器人末端定位、運動誤差及其在線補償方法的模擬實例:給出了
基於機器人動力學的機器人末端定位、運動誤差及其在線補償方法的模擬實例;模擬結果表明, 1 )
基於
腕力傳感器的機器人末端定位誤差在
腕力傳感器允許的載荷下可達十分之幾毫米級。
And then, the error matrixes of location and kinemics of the end point, and the on - line error compensation method are given based on robot ' s dynamics. finally based on puma robot, three simulation examples are given respectively ; the first is about the location error and on - line location error compensation, the second is about the kinetic error and on - line kinetic error compensation, the third is about location and kinetic errors causing by robot ' s dynamics and the on - line error compensations. the simulation results show that : a ) location error of the end point based on elastic deformation of the sensor will be about millimeter ' s degree under the permitting load, b ) the on - line error compensation methods given are available
第三章首先概括了目前機器人連桿慣性參數識別的四種方法,總結這些方法的優、缺點;指出這些方法存在的問題是:或者需將機器人解體,不能在線進行參數識別,或者不能給出機器人連桿獨立的慣性參數值,只能獲得慣性參數的組合值,而這些方法的共同問題是:不能考慮機器人連桿的關節特性;本章提出了一種
基於
腕力傳感器的機器人末端連桿慣性參數在線識別方法,給出了該方法的理論計算和推導;研究提出了以
腕力傳感器輸出為前提的、
基於newton - euler動力學的機器人動力學正向、逆向遞推公式;針對機器人負載參數辨識必須在線、實時的特點提出了
基於
腕力傳感器的負載參數在線識別方法,給出了負載參數識別的步驟。
5 ) the lophophores at trocholophe stage in heliomedusa orienta are tentatively interpreted here. 6 ) the mineralization of the animal took place gradually from outside to inside during their preservation before the fresh carcass were broken down, which could have given access to the preservation of the softy anatomy of organisms in chengjiang fauna
第五章
基於澄江動物群中的
腕足動物化石,對
腕足動物的演化做了初步的探討,認為
腕足動物在早寒武世己經出現了大量的分異,其形態己經相當進化。
1 basic esd protection activities are done including wrist strap worn by operators at work, proper grounding of production lines, daily checking of wrist strap functioning
作
基本的靜電保護行動,包括:作業員在作業時戴
腕帶,生產線適當連接地線裝置,每日檢杳
腕帶的性能
The functional parts, such as wrist, ankle, elbow, knee, hand and foot dorsum, were treated with autologous split - thickness skin grafting or complex skin grafting ( i. e. autologous split - thickness skin plus allogenous dermal matrix )
對
腕、踩、肘、膝、手、足背等功能部位行自體中厚皮移植或異體真皮
基質覆蓋自體刃厚皮復合移植。
The yankees will also have the services of hideki matsui, who missed four months with his own wrist injury, for the entire season
洋
基隊也有松井秀喜的效力,他也因為手
腕受傷缺陣了四個月。
New york - - when gary sheffield and hideki matsui went down with severe wrist injuries in may, it appeared that the yankees ' season was in jeopardy
當雨刷伯和松井秀喜在五月份都因為手
腕受傷缺陣,洋
基隊在球季中處于艱困的處境。
According to the geometry model constructed in this paper, kinematics analysis, inverse kinematics with its optimization, analysis and calculation of dynamics are introduced. the resolution of matrix reverse transformation and gradient projection based on fake reverse matrix are used in the computation
建立了該手
腕的幾何模型,針對該模型展開了運動學分析、逆運動學解的計算,計算使用了矩陣逆變換的解析法和
基於偽逆陣的梯度投影法兩種方法。
We develop the flexible wrist of robot based on spherical gear ' s drive
研製了
基於球齒輪傳動的機器人柔性手
腕機構。
Under two different conditions, the paper finishes the track planning of the joints movement. besed on kinematics analysis and trajectory planning, the paper analyzes and calculates the dynamics of wrist by lagrange methods
完成對關節運動在兩種不同初始條件下關節空間的軌跡規劃,以運動學研究和軌跡規劃為
基礎採用拉格朗日法對手
腕的動力學進行了分析和計算。
Likewise, there are certain basic elements of magic that are a matter of mechanics : pronouncing words correctly ( otherwise, you might end up with a buffalo on your chest, ps / ss 10 ), learning wrist movements ( ps / ss 10 ), adding potions ingredients in just the right proportions ( pa 7 ) and at the right times ( ps / ss 8 )
同樣,當然魔法的基本要素也包括技巧:發音準確(否則,你將會發現胸口上站著一頭野牛,魔法石第10章) ;學習手腕動作(魔法石第10章) ,以恰當的比例添加魔藥成分(囚徒第7章)並且要在恰當的時間(魔法石第8章) 。