PLC的(de)(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)是指(zhi)PLC系统通(tong)过控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)运(yun)(yun)(yun)动(dong)(dong)(dong)设备(bei)的(de)(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)轴，实现精(jing)确、稳(wen)定和(he)(he)(he)可编(bian)程(cheng)(cheng)的(de)(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)功(gong)(gong)能(neng)(neng)。它可以(yi)(yi)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)运(yun)(yun)(yun)动(dong)(dong)(dong)设备(bei)（如(ru)电(dian)机、伺服驱动(dong)(dong)(dong)器等(deng)）的(de)(de)(de)(de)(de)位置(zhi)(zhi)、速(su)(su)度(du)和(he)(he)(he)加(jia)速(su)(su)度(du)等(deng)参(can)数(shu)，以(yi)(yi)实现所(suo)需(xu)(xu)的(de)(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)轨迹和(he)(he)(he)运(yun)(yun)(yun)动(dong)(dong)(dong)逻辑。选取支(zhi)持(chi)运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)PLC时(shi)，以(yi)(yi)下是一些(xie)关(guan)键因素和(he)(he)(he)考虑(lv)事(shi)项：（1）运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)功(gong)(gong)能(neng)(neng)：确保PLC具(ju)备(bei)完善的(de)(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)功(gong)(gong)能(neng)(neng)，包括(kuo)轴控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)、轨迹规划、速(su)(su)度(du)和(he)(he)(he)加(jia)速(su)(su)度(du)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)等(deng)。PLC应(ying)支(zhi)持(chi)多(duo)个运(yun)(yun)(yun)动(dong)(dong)(dong)轴的(de)(de)(de)(de)(de)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)，并能(neng)(neng)满(man)(man)足(zu)具(ju)体应(ying)用的(de)(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)需(xu)(xu)求。（2）接口(kou)和(he)(he)(he)通(tong)信能(neng)(neng)力(li)：PLC需(xu)(xu)要(yao)提供与运(yun)(yun)(yun)动(dong)(dong)(dong)设备(bei)（如(ru)伺服驱动(dong)(dong)(dong)器、编(bian)码(ma)器等(deng)）的(de)(de)(de)(de)(de)接口(kou)和(he)(he)(he)通(tong)信能(neng)(neng)力(li)。常见(jian)的(de)(de)(de)(de)(de)接口(kou)包括(kuo)模(mo)拟量输入/输出(chu)、数(shu)字量输入/输出(chu)、编(bian)码(ma)器反馈接口(kou)等(deng)。同时(shi)，PLC应(ying)支(zhi)持(chi)常见(jian)的(de)(de)(de)(de)(de)通(tong)信协议(yi)，如(ru)EtherCAT、CANopen等(deng)，以(yi)(yi)便(bian)与运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)设备(bei)进行数(shu)据(ju)交换和(he)(he)(he)协同控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)。（3）编(bian)程(cheng)(cheng)和(he)(he)(he)配(pei)置(zhi)(zhi)工具(ju)：PLC选型时(shi)，要(yao)考虑(lv)其(qi)编(bian)程(cheng)(cheng)和(he)(he)(he)配(pei)置(zhi)(zhi)工具(ju)的(de)(de)(de)(de)(de)友(you)好(hao)性和(he)(he)(he)便(bian)利性。一些(xie)PLC厂商提供专门的(de)(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)编(bian)程(cheng)(cheng)语言或函数(shu)块(kuai)，简化了运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)程(cheng)(cheng)序的(de)(de)(de)(de)(de)开发和(he)(he)(he)调试(shi)过程(cheng)(cheng)。（4）性能(neng)(neng)和(he)(he)(he)实时(shi)性：选择具(ju)备(bei)足(zu)够的(de)(de)(de)(de)(de)性能(neng)(neng)和(he)(he)(he)实时(shi)性能(neng)(neng)的(de)(de)(de)(de)(de)PLC，以(yi)(yi)满(man)(man)足(zu)高速(su)(su)、精(jing)确的(de)(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)要(yao)求。性能(neng)(neng)指(zhi)标包括(kuo)扫描周期、运(yun)(yun)(yun)动(dong)(dong)(dong)轴数(shu)量、数(shu)据(ju)处理能(neng)(neng)力(li)等(deng)。东莞博(bo)派智能(neng)(neng)ETH_NEC_NLM系列(lie)运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)卡单卡最大支(zhi)持(chi)16轴，可控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)16路(lu)步进或者伺服，每个轴都(dou)可以(yi)(yi)1000K.成都(dou)博(bo)派运(yun)(yun)(yun)动(dong)(dong)(dong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(zhi)器代理

运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)卡是(shi)基于(yu) PC 总线，利(li)用(yong)高性能 微处理(li)器(qi) （如 DSP ）及大规模可(ke)编(bian)程(cheng)器(qi)件实(shi)现(xian)多个伺(si)服(fu)(fu)电(dian)机(ji)的(de)(de)(de)(de)(de)(de)(de)多轴(zhou)(zhou)协(xie)调控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)一种高性能的(de)(de)(de)(de)(de)(de)(de)步进(jin)/伺(si)服(fu)(fu)电(dian)机(ji)运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)卡，包括 脉(mai)(mai)冲(chong)(chong)(chong)输出(chu)(chu)(chu) 、脉(mai)(mai)冲(chong)(chong)(chong)计(ji)(ji)(ji)数、数字输入、数字输出(chu)(chu)(chu)、 D/A 输出(chu)(chu)(chu)等(deng)(deng)功(gong)能，它(ta)可(ke)以发出(chu)(chu)(chu)连续(xu)的(de)(de)(de)(de)(de)(de)(de)、高频(pin)率(lv)的(de)(de)(de)(de)(de)(de)(de)脉(mai)(mai)冲(chong)(chong)(chong)串，通(tong)过改变(bian)发出(chu)(chu)(chu)脉(mai)(mai)冲(chong)(chong)(chong)的(de)(de)(de)(de)(de)(de)(de)频(pin)率(lv)来(lai)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)电(dian)机(ji)的(de)(de)(de)(de)(de)(de)(de)速(su)(su)度，改变(bian)发出(chu)(chu)(chu)脉(mai)(mai)冲(chong)(chong)(chong)的(de)(de)(de)(de)(de)(de)(de)数量(liang)来(lai)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)电(dian)机(ji)的(de)(de)(de)(de)(de)(de)(de)位置，它(ta)的(de)(de)(de)(de)(de)(de)(de)脉(mai)(mai)冲(chong)(chong)(chong)输出(chu)(chu)(chu)模式包括脉(mai)(mai)冲(chong)(chong)(chong)/方(fang)向、脉(mai)(mai)冲(chong)(chong)(chong)/脉(mai)(mai)冲(chong)(chong)(chong)方(fang)式。脉(mai)(mai)冲(chong)(chong)(chong)计(ji)(ji)(ji)数可(ke)用(yong)于(yu)编(bian)码器(qi)的(de)(de)(de)(de)(de)(de)(de)位置反馈，提供机(ji)器(qi)准确的(de)(de)(de)(de)(de)(de)(de)位置，纠正传(chuan)动(dong)过程(cheng)中产(chan)生(sheng)的(de)(de)(de)(de)(de)(de)(de)误差(cha)。数字输入/输出(chu)(chu)(chu)点可(ke)用(yong)于(yu)限位、原点开(kai)关等(deng)(deng)。库(ku)函数包括加速(su)(su)，直线插(cha)(cha)补(bu)和(he)圆弧插(cha)(cha)补(bu)，多轴(zhou)(zhou)联动(dong)函数等(deng)(deng)。产(chan)品(pin)广泛应用(yong)于(yu)工(gong)业自动(dong)化(hua)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)领域中需(xu)(xu)要精确定(ding)位、定(ding)长的(de)(de)(de)(de)(de)(de)(de)位置控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)(xi)统(tong)和(he)基于(yu)PC的(de)(de)(de)(de)(de)(de)(de)NC控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)(xi)统(tong)。具体就是(shi)将实(shi)现(xian)运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)底层软(ruan)件和(he)硬(ying)件集成在一起，使其具有伺(si)服(fu)(fu)电(dian)机(ji)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)所需(xu)(xu)的(de)(de)(de)(de)(de)(de)(de)各(ge)种速(su)(su)度、位置控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)功(gong)能,这些功(gong)能能通(tong)过计(ji)(ji)(ji)算机(ji)方(fang)便地(di)调用(yong)。一个运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)(xi)统(tong)中，运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)卡是(shi)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)(xi)统(tong)的(de)(de)(de)(de)(de)(de)(de)模块，也是(shi)和(he)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)(xi)统(tong)的(de)(de)(de)(de)(de)(de)(de)设(she)(she)计(ji)(ji)(ji)目的(de)(de)(de)(de)(de)(de)(de)耦合紧密(mi)的(de)(de)(de)(de)(de)(de)(de)，一旦运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)卡选定(ding)了(le)，其它(ta)的(de)(de)(de)(de)(de)(de)(de)设(she)(she)计(ji)(ji)(ji)都要围绕运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)进(jin)行(xing)选择和(he)设(she)(she)计(ji)(ji)(ji)，所以如何选择运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)卡，对(dui)运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)(xi)统(tong)的(de)(de)(de)(de)(de)(de)(de)设(she)(she)计(ji)(ji)(ji)是(shi)非(fei)常(chang)重要的(de)(de)(de)(de)(de)(de)(de)。上海固高运(yun)动(dong)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器(qi)排名PC和(he)手持(chi)编(bian)程(cheng)器(qi)提供给(ji)用(yong)户(hu)编(bian)程(cheng)使用(yong)，为用(yong)户(hu)提供了(le)方(fang)便的(de)(de)(de)(de)(de)(de)(de)编(bian)程(cheng)界面。

“现(xian)在(zai)(zai)PLC的运(yun)(yun)动(dong)控(kong)(kong)(kong)制功(gong)能越(yue)来越(yue)强了(le)(le)，圆弧插补、螺(luo)旋插补、电子凸(tu)轮都能轻松胜任了(le)(le)，那运(yun)(yun)动(dong)控(kong)(kong)(kong)制器(qi)(qi)和具备(bei)运(yun)(yun)动(dong)控(kong)(kong)(kong)制功(gong)能的PLC的差别在(zai)(zai)哪里(li)，运(yun)(yun)动(dong)控(kong)(kong)(kong)制器(qi)(qi)以(yi)后的优势(shi)又(you)在(zai)(zai)哪里(li)？”PLC及运(yun)(yun)动(dong)控(kong)(kong)(kong)制器(qi)(qi)发展到现(xian)在(zai)(zai)，它(ta)们在(zai)(zai)功(gong)能、性能上(shang)已(yi)经非(fei)常接(jie)近了(le)(le)。只是(shi)形式上(shang)它(ta)们大多(duo)数(shu)仍(reng)然保留了(le)(le)原有(you)的特征，即：运(yun)(yun)动(dong)控(kong)(kong)(kong)制器(qi)(qi)主(zhu)(zhu)(zhu)要(yao)面向运(yun)(yun)动(dong)控(kong)(kong)(kong)制系统(tong)，伺服(fu)轴(zhou)（运(yun)(yun)动(dong)轴(zhou)）是(shi)它(ta)的主(zhu)(zhu)(zhu)要(yao)控(kong)(kong)(kong)制对(dui)象(xiang)；PLC主(zhu)(zhu)(zhu)要(yao)面向逻辑控(kong)(kong)(kong)制，IO（Digital或Analog）是(shi)它(ta)的主(zhu)(zhu)(zhu)要(yao)控(kong)(kong)(kong)制对(dui)象(xiang)。同时，大家(jia)也看到了(le)(le)运(yun)(yun)动(dong)控(kong)(kong)(kong)制器(qi)(qi)也有(you)较强的IO能力，而PLC也具备(bei)运(yun)(yun)动(dong)控(kong)(kong)(kong)制的功(gong)能。

运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)器(qi)(qi)的(de)(de)(de)(de)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)形式点位(wei)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)：即(ji)对终点位(wei)置有(you)(you)要(yao)求，与运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)中间过(guo)程(cheng)(cheng)即(ji)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)轨迹无关。相(xiang)应的(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)器(qi)(qi)要(yao)求具有(you)(you)快(kuai)速(su)(su)的(de)(de)(de)(de)定(ding)(ding)位(wei)速(su)(su)度(du)(du)(du)，在(zai)(zai)(zai)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)加(jia)速(su)(su)段(duan)和(he)减(jian)(jian)(jian)速(su)(su)段(duan)，采用不同(tong)(tong)的(de)(de)(de)(de)加(jia)减(jian)(jian)(jian)速(su)(su)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)策略。在(zai)(zai)(zai)加(jia)速(su)(su)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)时(shi)，为了(le)使系(xi)(xi)(xi)统(tong)(tong)能够快(kuai)速(su)(su)加(jia)速(su)(su)到设(she)定(ding)(ding)速(su)(su)度(du)(du)(du)，往(wang)往(wang)进(jin)步系(xi)(xi)(xi)统(tong)(tong)增益(yi)(yi)和(he)加(jia)大加(jia)速(su)(su)度(du)(du)(du)，在(zai)(zai)(zai)减(jian)(jian)(jian)速(su)(su)的(de)(de)(de)(de)末段(duan)减(jian)(jian)(jian)速(su)(su)的(de)(de)(de)(de)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)策略。为了(le)防止系(xi)(xi)(xi)统(tong)(tong)到位(wei)后(hou)震动(dong)(dong)(dong)(dong)(dong)(dong)，规划到位(wei)后(hou)，又(you)会适当减(jian)(jian)(jian)小系(xi)(xi)(xi)统(tong)(tong)的(de)(de)(de)(de)增益(yi)(yi)。所以(yi)，点位(wei)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)器(qi)(qi)往(wang)往(wang)具有(you)(you)在(zai)(zai)(zai)线(xian)可(ke)变(bian)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)参数和(he)可(ke)变(bian)加(jia)减(jian)(jian)(jian)速(su)(su)曲线(xian)的(de)(de)(de)(de)能力(li)。连(lian)续轨迹运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)：该控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)又(you)称(cheng)为轮廓控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)，主要(yao)应用在(zai)(zai)(zai)传统(tong)(tong)的(de)(de)(de)(de)数控(kong)(kong)(kong)(kong)(kong)(kong)系(xi)(xi)(xi)统(tong)(tong)、切(qie)割(ge)系(xi)(xi)(xi)统(tong)(tong)的(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)轮廓控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)。相(xiang)应的(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)器(qi)(qi)要(yao)解决的(de)(de)(de)(de)题目是如(ru)何使系(xi)(xi)(xi)统(tong)(tong)在(zai)(zai)(zai)高速(su)(su)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)情(qing)况下，既要(yao)保(bao)证(zheng)系(xi)(xi)(xi)统(tong)(tong)加(jia)工的(de)(de)(de)(de)轮廓精度(du)(du)(du)，还要(yao)保(bao)证(zheng)刀具沿轮廓运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)时(shi)的(de)(de)(de)(de)切(qie)向速(su)(su)度(du)(du)(du)的(de)(de)(de)(de)恒定(ding)(ding)。对小线(xian)段(duan)加(jia)工时(shi)，有(you)(you)多(duo)段(duan)程(cheng)(cheng)序预处(chu)理功能。同(tong)(tong)步运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)：是指多(duo)个轴之间的(de)(de)(de)(de)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)协调控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)，可(ke)以(yi)是多(duo)个轴在(zai)(zai)(zai)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)全程(cheng)(cheng)中进(jin)行同(tong)(tong)步，也可(ke)以(yi)是在(zai)(zai)(zai)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)过(guo)程(cheng)(cheng)中的(de)(de)(de)(de)局部有(you)(you)速(su)(su)度(du)(du)(du)同(tong)(tong)步，主要(yao)应用在(zai)(zai)(zai)需要(yao)有(you)(you)电子齿(chi)轮箱(xiang)和(he)电子凸轮的(de)(de)(de)(de)系(xi)(xi)(xi)统(tong)(tong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)中。与PLC相(xiang)比，运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)卡拥(yong)有(you)(you)更(geng)多(duo)的(de)(de)(de)(de)高级运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)功能和(he)更(geng)优的(de)(de)(de)(de)性(xing)价比，因此在(zai)(zai)(zai)越来越多(duo)的(de)(de)(de)(de)设(she)备(bei)中被更(geng)多(duo)使用。

作为(wei)一种基于以(yi)(yi)太(tai)网(wang)为(wei)开发(fa)构架的实时工业(ye)现场(chang)总线通讯协议，EtherCAT简单来说就(jiu)是在(zai)一个特定班级里(li)，竖(shu)排坐的一队学(xue)生，老师(shi)把(ba)带着所有人名(ming)(ming)字的试(shi)卷(juan)（可以(yi)(yi)是不(bu)同的科目）交给(ji)前(qian)面的同学(xue)，然后(hou)(hou)从(cong)(cong)前(qian)往(wang)后(hou)(hou)传，首个同学(xue)只拿(na)自(zi)己(ji)名(ming)(ming)字的试(shi)卷(juan)，第二名(ming)(ming)同学(xue)也(ye)只拿(na)自(zi)己(ji)的试(shi)卷(juan)，以(yi)(yi)此类推。并且老师(shi)还能在(zai)一定时间(jian)内去(qu)收(shou)回问(wen)卷(juan)并进行(xing)批改分析然后(hou)(hou)反馈给(ji)特定学(xue)生。提供试(shi)卷(juan)的老师(shi)即(ji)为(wei)主站(zhan)，同学(xue)就(jiu)是从(cong)(cong)站(zhan)，而试(shi)卷(juan)也(ye)就(jiu)是主站(zhan)传达的数据内容了。

这(zhei)样，一(yi)个EtherCAT总(zong)线(xian)运动控(kong)制卡就可以控(kong)制几十个甚(shen)至(zhi)更(geng)多的(de)伺(si)服/步进(jin)电机了。东莞博派智能科技有限公司推出的(de)ECAT_GAS2系列(lie)总(zong)线(xian)运动控(kong)制卡，产品覆盖2~64轴(zhou)，即插即用(yong)，非(fei)常方(fang)便，同(tong)时提供(gong)VC++/C#/LABVIEW/VB/DELPHI等动态库和例程。水位(wei)控(kong)制不是电子凸轮(lun)的(de)一(yi)个用(yong)途，流量(liang)控(kong)制往往显得更(geng)为重要。上(shang)海(hai)固高运动控(kong)制器排名(ming)

东莞博派智能(neng)ETH_GAS系列运动(dong)控(kong)制卡支持(chi)点位、直线(xian)、圆弧、螺旋线(xian)插补、电子齿轮、比较输出、PWM、模(mo)拟(ni)量。成都博派运动(dong)控(kong)制器代(dai)理

一(yi)、电子凸(tu)轮(lun)(lun)(lun)(lun)简介1.1组(zu)成部分电子凸(tu)轮(lun)(lun)(lun)(lun)（ECAM）是利(li)用构造的(de)(de)凸(tu)轮(lun)(lun)(lun)(lun)曲线来模(mo)拟机(ji)械(xie)凸(tu)轮(lun)(lun)(lun)(lun)，以达到(dao)机(ji)械(xie)凸(tu)轮(lun)(lun)(lun)(lun)系(xi)统(tong)相同(tong)的(de)(de)凸(tu)轮(lun)(lun)(lun)(lun)轴(zhou)(zhou)于(yu)(yu)主(zhu)(zhu)轴(zhou)(zhou)之间相对(dui)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)的(de)(de)软件系(xi)统(tong)。通过控(kong)制器(qi)控(kong)制伺服电机(ji)来模(mo)拟机(ji)械(xie)凸(tu)轮(lun)(lun)(lun)(lun)的(de)(de)功能，不需要(yao)另外安装(zhuang)机(ji)械(xie)结构。1.2工作原(yuan)理电子凸(tu)轮(lun)(lun)(lun)(lun)属(shu)于(yu)(yu)多轴(zhou)(zhou)同(tong)步运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)。与(yu)机(ji)械(xie)齿轮(lun)(lun)(lun)(lun)一(yi)样，电子凸(tu)轮(lun)(lun)(lun)(lun)需要(yao)主(zhu)(zhu)轴(zhou)(zhou)和从轴(zhou)(zhou)。若定(ding)义凸(tu)轮(lun)(lun)(lun)(lun)为主(zhu)(zhu)轴(zhou)(zhou)，推杆为从轴(zhou)(zhou)，那么凸(tu)轮(lun)(lun)(lun)(lun)的(de)(de)实质就是从轴(zhou)(zhou)对(dui)应主(zhu)(zhu)轴(zhou)(zhou)的(de)(de)一(yi)种函(han)数(shu)关系(xi)。如(ru)下图(tu)，机(ji)械(xie)凸(tu)轮(lun)(lun)(lun)(lun)按照(zhao)凸(tu)轮(lun)(lun)(lun)(lun)的(de)(de)轮(lun)(lun)(lun)(lun)廓(kuo)可以得出一(yi)段(duan)转动(dong)(dong)(dong)(dong)角度与(yu)加工位置运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)轨(gui)(gui)迹(ji)(ji)，此轨(gui)(gui)迹(ji)(ji)为弧线，将(jiang)(jiang)该段(duan)弧线分解成无数(shu)个直线轨(gui)(gui)迹(ji)(ji)，组(zu)合起来得到(dao)一(yi)串趋近(jin)于(yu)(yu)弧线运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)轨(gui)(gui)迹(ji)(ji)，电子凸(tu)轮(lun)(lun)(lun)(lun)直接将(jiang)(jiang)此段(duan)轨(gui)(gui)迹(ji)(ji)运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)参数(shu)装(zhuang)入运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)指令，即可控(kong)制轴(zhou)(zhou)走(zou)出目标(biao)轨(gui)(gui)迹(ji)(ji)。成都博(bo)派运(yun)(yun)(yun)动(dong)(dong)(dong)(dong)控(kong)制器(qi)代理

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