电(dian)液(ye)(ye)伺(si)服(fu)测(ce)(ce)控(kong)(kong)(kong)(kong)系统(tong)(tong)(tong)(tong)是(shi)一(yi)种高(gao)精(jing)度、高(gao)可靠(kao)性的(de)(de)(de)(de)工(gong)业(ye)自动(dong)(dong)化控(kong)(kong)(kong)(kong)制(zhi)(zhi)系统(tong)(tong)(tong)(tong)，广泛应用于机(ji)械(xie)(xie)加(jia)工(gong)、航(hang)空航(hang)天、装备等领域(yu)。该(gai)系统(tong)(tong)(tong)(tong)通过电(dian)液(ye)(ye)伺(si)服(fu)技术实(shi)(shi)(shi)(shi)现(xian)(xian)对(dui)机(ji)械(xie)(xie)运(yun)动(dong)(dong)的(de)(de)(de)(de)精(jing)确控(kong)(kong)(kong)(kong)制(zhi)(zhi)，通过测(ce)(ce)控(kong)(kong)(kong)(kong)技术实(shi)(shi)(shi)(shi)现(xian)(xian)对(dui)机(ji)械(xie)(xie)运(yun)动(dong)(dong)状(zhuang)态的(de)(de)(de)(de)实(shi)(shi)(shi)(shi)时监(jian)测(ce)(ce)和(he)(he)(he)反(fan)(fan)馈，从而提(ti)高(gao)了(le)工(gong)业(ye)自动(dong)(dong)化水平和(he)(he)(he)生产(chan)效率(lv)。电(dian)液(ye)(ye)伺(si)服(fu)测(ce)(ce)控(kong)(kong)(kong)(kong)系统(tong)(tong)(tong)(tong)的(de)(de)(de)(de)主(zhu)要组(zu)成部分包(bao)括(kuo)电(dian)液(ye)(ye)伺(si)服(fu)阀、液(ye)(ye)压(ya)执行(xing)器(qi)、传感器(qi)、控(kong)(kong)(kong)(kong)制(zhi)(zhi)器(qi)等。其中(zhong)，电(dian)液(ye)(ye)伺(si)服(fu)阀是(shi)系统(tong)(tong)(tong)(tong)的(de)(de)(de)(de)**部件，通过控(kong)(kong)(kong)(kong)制(zhi)(zhi)液(ye)(ye)压(ya)油的(de)(de)(de)(de)流量和(he)(he)(he)压(ya)力来实(shi)(shi)(shi)(shi)现(xian)(xian)对(dui)液(ye)(ye)压(ya)执行(xing)器(qi)的(de)(de)(de)(de)精(jing)确控(kong)(kong)(kong)(kong)制(zhi)(zhi)。传感器(qi)则(ze)负(fu)责对(dui)机(ji)械(xie)(xie)运(yun)动(dong)(dong)状(zhuang)态进行(xing)实(shi)(shi)(shi)(shi)时监(jian)测(ce)(ce)和(he)(he)(he)反(fan)(fan)馈，控(kong)(kong)(kong)(kong)制(zhi)(zhi)器(qi)则(ze)根据传感器(qi)反(fan)(fan)馈的(de)(de)(de)(de)信息对(dui)电(dian)液(ye)(ye)伺(si)服(fu)阀进行(xing)控(kong)(kong)(kong)(kong)制(zhi)(zhi)，从而实(shi)(shi)(shi)(shi)现(xian)(xian)对(dui)机(ji)械(xie)(xie)运(yun)动(dong)(dong)的(de)(de)(de)(de)精(jing)确控(kong)(kong)(kong)(kong)制(zhi)(zhi)。测(ce)(ce)控(kong)(kong)(kong)(kong)系统(tong)(tong)(tong)(tong)可以实(shi)(shi)(shi)(shi)现(xian)(xian)对(dui)数(shu)据的(de)(de)(de)(de)存(cun)储和(he)(he)(he)备份，保证数(shu)据的(de)(de)(de)(de)安(an)全(quan)性。微(wei)机(ji)控(kong)(kong)(kong)(kong)制(zhi)(zhi)叠(die)加(jia)式(shi)力测(ce)(ce)控(kong)(kong)(kong)(kong)系统(tong)(tong)(tong)(tong)

随着(zhe)全球经济的高速发(fa)展(zhan)，我(wo)国工业(ye)技(ji)术(shu)的发(fa)展(zhan)也日新月(yue)异，促(cu)使(shi)(shi)(shi)现(xian)代(dai)测控(kong)技(ji)术(shu)逐渐渗(shen)透到(dao)各(ge)个(ge)实践(jian)技(ji)术(shu)中(zhong)，使(shi)(shi)(shi)得(de)现(xian)代(dai)测控(kong)技(ji)术(shu)趋向于多元化发(fa)展(zhan)。现(xian)代(dai)测控(kong)技(ji)术(shu)高速的发(fa)展(zhan)同时，也将(jiang)推进(jin)我(wo)国工业(ye)技(ji)术(shu)的发(fa)展(zhan)，促(cu)使(shi)(shi)(shi)我(wo)国工业(ye)技(ji)术(shu)水(shui)平迈向世(shi)界的舞台。在现(xian)代(dai)测控(kong)系统的应用过程中(zhong)，其综合性十分(fen)明显，它包括有(you)以(yi)下(xia)三个(ge)方面：标准型、闭环控(kong)制型和(he)基本型。从它的组成上(shang)来看，一般分(fen)为五(wu)个(ge)部分(fen)：测控(kong)软件、接口和(he)总(zong)线、控(kong)制器、仪器和(he)程控(kong)设备(bei)、被测对象。伺服测控(kong)系统排(pai)行如何进(jin)行测控(kong)系统的选(xuan)购？

电(dian)液(ye)伺服测控(kong)(kong)(kong)系(xi)(xi)统的(de)(de)优点(dian)在于(yu)其高(gao)(gao)精(jing)度、高(gao)(gao)可(ke)靠性(xing)(xing)和(he)高(gao)(gao)灵活(huo)(huo)性(xing)(xing)。系(xi)(xi)统可(ke)以(yi)实现对机(ji)械运动(dong)(dong)(dong)的(de)(de)高(gao)(gao)精(jing)度控(kong)(kong)(kong)制(zhi)，精(jing)度可(ke)达到微(wei)米级别，从(cong)而满足了工业(ye)生(sheng)产(chan)对精(jing)度的(de)(de)要(yao)求。同时，系(xi)(xi)统具(ju)有(you)(you)高(gao)(gao)可(ke)靠性(xing)(xing)，能(neng)够(gou)在恶劣(lie)环境下稳(wen)定运行，从(cong)而提高(gao)(gao)了生(sheng)产(chan)效率(lv)和(he)产(chan)品(pin)质量。此(ci)外，系(xi)(xi)统具(ju)有(you)(you)高(gao)(gao)灵活(huo)(huo)性(xing)(xing)，能(neng)够(gou)适应不同的(de)(de)工业(ye)生(sheng)产(chan)需求，实现多种机(ji)械运动(dong)(dong)(dong)模(mo)式的(de)(de)控(kong)(kong)(kong)制(zhi)。总之，电(dian)液(ye)伺服测控(kong)(kong)(kong)系(xi)(xi)统是(shi)一种重要(yao)的(de)(de)工业(ye)自(zi)动(dong)(dong)(dong)化控(kong)(kong)(kong)制(zhi)系(xi)(xi)统，具(ju)有(you)(you)高(gao)(gao)精(jing)度、高(gao)(gao)可(ke)靠性(xing)(xing)和(he)高(gao)(gao)灵活(huo)(huo)性(xing)(xing)等优点(dian)，能(neng)够(gou)提高(gao)(gao)工业(ye)生(sheng)产(chan)的(de)(de)效率(lv)和(he)质量。

在(zai)工业测控(kong)系统(tong)(tong)中，输(shu)(shu)入(ru)(ru)信号往往是模拟量(liang)，这(zhei)就(jiu)需(xu)要(yao)一个装(zhuang)置(zhi)把模拟量(liang)转(zhuan)(zhuan)换(huan)(huan)成数(shu)字量(liang)，各(ge)种A/D芯(xin)片(pian)就(jiu)是用(yong)来完成此类转(zhuan)(zhuan)换(huan)(huan)的(de)。在(zai)实(shi)际的(de)计(ji)算机测控(kong)系统(tong)(tong)中，不是以A/D芯(xin)片(pian)为基(ji)本(ben)单元，而是制成商品(pin)化的(de)A/D板(ban)卡(ka)(ka)(ka)(ka)。模拟量(liang)输(shu)(shu)入(ru)(ru)板(ban)卡(ka)(ka)(ka)(ka)根据(ju)使用(yong)的(de)A/D转(zhuan)(zhuan)换(huan)(huan)芯(xin)片(pian)和总线结构(gou)不同(tong)，性能有很(hen)大的(de)区(qu)别。板(ban)卡(ka)(ka)(ka)(ka)通(tong)(tong)常(chang)(chang)有单端(duan)输(shu)(shu)入(ru)(ru)、差分(fen)输(shu)(shu)人以及两种方式组(zu)合输(shu)(shu)入(ru)(ru)三种。板(ban)卡(ka)(ka)(ka)(ka)内(nei)部(bu)通(tong)(tong)常(chang)(chang)设置(zhi)一定的(de)采(cai)样(yang)(yang)(yang)缓(huan)冲器(qi)，对采(cai)样(yang)(yang)(yang)数(shu)据(ju)进行缓(huan)冲处理，缓(huan)冲器(qi)的(de)大小(xiao)也(ye)是板(ban)卡(ka)(ka)(ka)(ka)的(de)性能指(zhi)标之(zhi)一。在(zai)抗干扰方面，A/D板(ban)卡(ka)(ka)(ka)(ka)通(tong)(tong)常(chang)(chang)采(cai)取光电隔离(li)(li)技术，实(shi)现信号的(de)隔离(li)(li)。板(ban)卡(ka)(ka)(ka)(ka)模拟信号采(cai)集的(de)精(jing)度(du)(du)和速(su)度(du)(du)指(zhi)标通(tong)(tong)常(chang)(chang)由板(ban)卡(ka)(ka)(ka)(ka)所(suo)采(cai)用(yong)的(de)A/D转(zhuan)(zhuan)换(huan)(huan)芯(xin)片(pian)决定。例如，下图所(suo)示为研华PCI-1713模拟量(liang)输(shu)(shu)入(ru)(ru)卡(ka)(ka)(ka)(ka)。该板(ban)卡(ka)(ka)(ka)(ka)具(ju)有32路单端(duan)或(huo)16路差分(fen)模拟量(liang)输(shu)(shu)入(ru)(ru)，或(huo)组(zu)合输(shu)(shu)入(ru)(ru)方式，12位A/D转(zhuan)(zhuan)换(huan)(huan)分(fen)辨率(lv)，A/D转(zhuan)(zhuan)换(huan)(huan)器(qi)的(de)采(cai)样(yang)(yang)(yang)速(su)率(lv)可达100kHz，每个输(shu)(shu)入(ru)(ru)通(tong)(tong)道的(de)增(zeng)益可编程，卡(ka)(ka)(ka)(ka)上有4K采(cai)样(yang)(yang)(yang)FIFO缓(huan)冲器(qi)，2500VDC隔离(li)(li)保护，支持软件、内(nei)部(bu)定时器(qi)触(chu)发或(huo)外部(bu)触(chu)发。深空(kong)测控(kong)系统(tong)(tong):捕(bu)捉(zhuo)太(tai)空(kong)的(de)声音(yin)。

EHD系(xi)列(lie)控(kong)(kong)(kong)制(zhi)(zhi)器系(xi)列(lie)是(shi)我司研发的(de)款抗(kang)折(zhe)电(dian)子(zi)抗(kang)压(ya)(ya)液(ye)压(ya)(ya)双工(gong)位同(tong)步一体(ti)试验(yan)机测控(kong)(kong)(kong)箱，与SuperTest测试软件组(zu)成(cheng)微机控(kong)(kong)(kong)制(zhi)(zhi)同(tong)步体(ti)机测控(kong)(kong)(kong)系(xi)统，可同(tong)时(shi)进(jin)行抗(kang)折(zhe)与抗(kang)压(ya)(ya)的(de)试验(yan)。该系(xi)列(lie)控(kong)(kong)(kong)制(zhi)(zhi)器具有控(kong)(kong)(kong)制(zhi)(zhi)精度(du)高、适应性(xing)(xing)强(qiang)、长(zhang)期稳(wen)定性(xing)(xing)好等特点(dian)。功能特点(dian):该控(kong)(kong)(kong)制(zhi)(zhi)器采(cai)(cai)用Cortex.MI3的(de)32位高速ARM芯(xin)片(pian)作为主控(kong)(kong)(kong)芯(xin)片(pian)，具有较(jiao)高的(de)运(yun)算速度(du)和数据处理(li)能力，能在短时(shi)间内实现从数据采(cai)(cai)集、PID运(yun)算、以(yi)太(tai)网通讯到输出控(kong)(kong)(kong)制(zhi)(zhi)的(de)整个控(kong)(kong)(kong)制(zhi)(zhi)过(guo)程，从而实现对(dui)试验(yan)机的(de)精确(que)闭环(huan)控(kong)(kong)(kong)制(zhi)(zhi)。测控(kong)(kong)(kong)系(xi)统的(de)组(zu)成(cheng)原理(li)。微机控(kong)(kong)(kong)制(zhi)(zhi)锚固测控(kong)(kong)(kong)系(xi)统操作

测(ce)控(kong)系统(tong)屏蔽(bi)、接地、隔离(li)技术。微(wei)机控(kong)制叠加式力测(ce)控(kong)系统(tong)

基(ji)坑轴力(li)(li)测(ce)控(kong)(kong)(kong)系(xi)统(tong)(tong)(tong)的(de)(de)应(ying)用(yong)范围(wei)非常，适用(yong)于各种类(lei)型(xing)的(de)(de)基(ji)坑工(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)，如高层(ceng)建筑、地下车库、地铁、隧道等。该系(xi)统(tong)(tong)(tong)已(yi)经(jing)被广泛应(ying)用(yong)于国内外(wai)的(de)(de)基(ji)坑工(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)，取(qu)得了良好的(de)(de)效(xiao)果和口碑。总之，基(ji)坑轴力(li)(li)测(ce)控(kong)(kong)(kong)系(xi)统(tong)(tong)(tong)作(zuo)为一(yi)种新型(xing)的(de)(de)监测(ce)手段，已(yi)经(jing)成(cheng)为了保(bao)(bao)障基(ji)坑工(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)安(an)全的(de)(de)重要(yao)利器。通(tong)过对基(ji)坑轴力(li)(li)测(ce)控(kong)(kong)(kong)系(xi)统(tong)(tong)(tong)的(de)(de)使用(yong)，可以有效(xiao)地避免(mian)基(ji)坑工(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)的(de)(de)安(an)全事故(gu)和质量问题(ti)，保(bao)(bao)障工(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)顺(shun)利进行。相(xiang)信在未来的(de)(de)基(ji)坑工(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)，基(ji)坑轴力(li)(li)测(ce)控(kong)(kong)(kong)系(xi)统(tong)(tong)(tong)将会得到更加的(de)(de)应(ying)用(yong)和推广。微机控(kong)(kong)(kong)制叠加式力(li)(li)测(ce)控(kong)(kong)(kong)系(xi)统(tong)(tong)(tong)

本文来(lai)自海润达物联科技(ji)有限责任公司：//qfd1mz.cn/Article/05d6399931.html