CN109494618B - 输电线路断股修补机器人的爬坡越障计算方法 - Google Patents

输电线路断股修补机器人的爬坡越障计算方法 Download PDF

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CN109494618B
CN109494618B CN201811602332.1A CN201811602332A CN109494618B CN 109494618 B CN109494618 B CN 109494618B CN 201811602332 A CN201811602332 A CN 201811602332A CN 109494618 B CN109494618 B CN 109494618B
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CN109494618A (zh
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郑景涛
李瑞峰
梁培栋
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Fujian Quanzhou HIT Research Institute of Engineering and Technology
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Abstract

输电线路断股修补机器人的爬坡越障计算方法,包括:单个电机爬坡时启动加速时的扭矩
Figure 100004_DEST_PATH_IMAGE001
[Mgsin
Figure 993849DEST_PATH_IMAGE002
(1+
Figure 100004_DEST_PATH_IMAGE003
)+
Figure 975711DEST_PATH_IMAGE004
+
Figure 100004_DEST_PATH_IMAGE005
]
Figure 312014DEST_PATH_IMAGE006
r
Figure 631000DEST_PATH_IMAGE006
Figure 100004_DEST_PATH_IMAGE007
;机器人越障时单个行走轮抬起,只有一个行走轮有推动力,经两级减速得
Figure 375840DEST_PATH_IMAGE008
={[Mgsin
Figure 122079DEST_PATH_IMAGE002
(1+
Figure 945679DEST_PATH_IMAGE003
)+
Figure 678143DEST_PATH_IMAGE004
+
Figure 903588DEST_PATH_IMAGE005
]
Figure 820728DEST_PATH_IMAGE006
r+
Figure 100004_DEST_PATH_IMAGE009
Figure 6990DEST_PATH_IMAGE006
r}
Figure 667778DEST_PATH_IMAGE006
Figure 747730DEST_PATH_IMAGE007
。本发明考虑前行走轮越障,后行走轮正常行走,行走轮爬坡时需要克服自身转动惯量的力
Figure 835771DEST_PATH_IMAGE010
、自身的轴承转动的摩擦力等与电机转轴的加速力矩(忽略不计),机器人整机惯性的力
Figure 100004_DEST_PATH_IMAGE011
,机器人整机重力沿斜坡方向的下滑分力
Figure 100004_DEST_PATH_IMAGE013
,以及推杆与导线之间的动摩擦力
Figure 774909DEST_PATH_IMAGE014
,计算得单个电机启动加速时的扭矩,满足爬坡要求。越障时,经2级减速求得越障扭矩
Figure 100004_DEST_PATH_IMAGE015
,再根据越障扭矩大小选择相应的电机型号,以满足机器人的爬坡越障需求。

Description

输电线路断股修补机器人的爬坡越障计算方法
技术领域
本发明涉及输电线路修补技术领域,更具体地说是指一种输电线路断股修补机器人的爬坡越障计算方法。
背景技术
架空高压输电线路在施工的过程中,经常会发生钢芯铝绞线外层绞线磨损、折断等现象,在线路运行中也会由于外力损伤而产生断股和振动断股现象,发现这种情况应及时给予适当的导线修补处理,以免断股的继续扩大而导致机械强度的降低。
目前,市面上已出现了一些自动修补机器人,例如:申请公布号为CN 102593751 A的中国发明专利公开了一种高压输电线路导线修补装置,再如申请公布号为CN 108075396A的中国发明专利公开了一种导地线带电自动修补机器人。以上两种修补机器人,主要依靠电机驱动两个行走轮在输电线路上行走。然而,当输电线路成斜坡状态,且斜坡上有障碍物时,若电机驱动行走轮的推进力太小,将无法满足爬坡要求。而电机太大又使机器人重量增加,为此,我们提供一种输电线路断股修补机器人的爬坡越障计算方法,旨在帮助合理选择电机型号与传动系统。
发明内容
本发明提供一种输电线路断股修补机器人的爬坡越障计算方法,以使电机驱动力大小满足行走轮爬坡越障的需求。
本发明采用如下技术方案:
输电线路断股修补机器人的爬坡越障计算方法,包括如下步骤:
(1)、设定机器人的两个行走轮半径均为r,每个行走轮重量为m,启动速度为v,启动加速时间为t,爬坡角度为锐角
Figure 100002_DEST_PATH_IMAGE001
,机器人整机重量为M;动摩擦力为
Figure 715537DEST_PATH_IMAGE002
,系数为
Figure 100002_DEST_PATH_IMAGE003
;静摩擦力为
Figure 475683DEST_PATH_IMAGE004
,系数为
Figure 100002_DEST_PATH_IMAGE005
;越障高度为h,行走轮中心到障碍物顶面的垂直于斜坡方向的距离为
Figure 916285DEST_PATH_IMAGE006
,行走轮与障碍物的接触点到行走轮中心的水平距离为
Figure 100002_DEST_PATH_IMAGE007
;传送带效率为
Figure 911923DEST_PATH_IMAGE008
,减速比为
Figure 100002_DEST_PATH_IMAGE009
;电机减速机效率为
Figure 987326DEST_PATH_IMAGE010
,减速比为
Figure 100002_DEST_PATH_IMAGE011
(2)、爬坡计算方法:a、机器人整机垂直于斜坡的重力分量
Figure 652794DEST_PATH_IMAGE012
=Mgcos
Figure 672703DEST_PATH_IMAGE001
,机器人整机平行于斜坡的重力分量
Figure 100002_DEST_PATH_IMAGE013
= Mgsin
Figure 347398DEST_PATH_IMAGE001
,每个行走轮的转动惯量为
Figure 136362DEST_PATH_IMAGE014
=
Figure 100002_DEST_PATH_IMAGE015
,经2级减速比换算到电机转轴转动惯量
Figure 2425DEST_PATH_IMAGE016
=
Figure 509629DEST_PATH_IMAGE015
Figure 100002_DEST_PATH_IMAGE017
,电机启动加速时克服行走轮转动惯量所需力
Figure 456857DEST_PATH_IMAGE018
;b、机器人整机启动加速时克服惯性所需的力
Figure 100002_DEST_PATH_IMAGE019
;c、由于机器人整机靠重力分量
Figure 772432DEST_PATH_IMAGE012
的静摩擦力无法保持静止,仍需
Figure 373177DEST_PATH_IMAGE020
,选择两个推杆垂直压住导线,推杆重量不计;d、推杆压力
Figure 100002_DEST_PATH_IMAGE021
与重力分量
Figure 305361DEST_PATH_IMAGE012
带来的动摩擦力
Figure 557744DEST_PATH_IMAGE022
Figure 462246DEST_PATH_IMAGE003
Figure 765052DEST_PATH_IMAGE021
+
Figure 122215DEST_PATH_IMAGE012
)=
Figure 100002_DEST_PATH_IMAGE023
,两个行走轮启动时需要克服力
Figure 535879DEST_PATH_IMAGE024
=
Figure 100002_DEST_PATH_IMAGE025
Mgsin
Figure 668789DEST_PATH_IMAGE001
(1+
Figure 876916DEST_PATH_IMAGE023
)+
Figure 846009DEST_PATH_IMAGE026
+
Figure 100002_DEST_PATH_IMAGE027
,两个行走轮合计扭矩
Figure 673151DEST_PATH_IMAGE028
[ Mgsin
Figure 676879DEST_PATH_IMAGE001
(1+
Figure 196853DEST_PATH_IMAGE023
)+
Figure 387663DEST_PATH_IMAGE026
+
Figure 531679DEST_PATH_IMAGE027
]
Figure 100002_DEST_PATH_IMAGE029
r;e、爬坡越障时单个行走轮推进,故单个电机启动加速时的扭矩[ Mgsin
Figure 389914DEST_PATH_IMAGE001
(1+
Figure 815210DEST_PATH_IMAGE023
)+
Figure 758895DEST_PATH_IMAGE026
+
Figure 52473DEST_PATH_IMAGE027
]
Figure 375001DEST_PATH_IMAGE029
r
Figure 830253DEST_PATH_IMAGE029
Figure 356175DEST_PATH_IMAGE030
(3)、越障计算方法:a、机器人整机的重力力矩
Figure 100002_DEST_PATH_IMAGE031
,需增加推进力
Figure 859969DEST_PATH_IMAGE032
=
Figure 100002_DEST_PATH_IMAGE033
,转换成行走轮所需增加扭矩
Figure 99320DEST_PATH_IMAGE034
Figure 991053DEST_PATH_IMAGE033
Figure 519117DEST_PATH_IMAGE029
r;b、机器人越障时单个行走轮抬起,只有一个行走轮有推动力,经两级减速得
Figure 100002_DEST_PATH_IMAGE035
={ [ Mgsin
Figure 325137DEST_PATH_IMAGE001
(1+
Figure 481312DEST_PATH_IMAGE023
)+
Figure 543946DEST_PATH_IMAGE026
+
Figure 418361DEST_PATH_IMAGE027
]
Figure 998378DEST_PATH_IMAGE029
r+
Figure 540218DEST_PATH_IMAGE033
Figure 649119DEST_PATH_IMAGE029
r}
Figure 276409DEST_PATH_IMAGE029
Figure 394538DEST_PATH_IMAGE030
;c、根据求得的
Figure 525305DEST_PATH_IMAGE036
大小选择行走轮的电机型号。
进一步地,上述电机启动加速时克服行走轮转动惯量所需力
Figure 100002_DEST_PATH_IMAGE037
Figure 837731DEST_PATH_IMAGE015
Figure 952318DEST_PATH_IMAGE017
Figure 467613DEST_PATH_IMAGE029
Figure 593832DEST_PATH_IMAGE038
,该数值很小忽略不计,故越障时单个行走轮推进,单个电机启动加速时的扭矩
Figure 100002_DEST_PATH_IMAGE039
[ Mgsin
Figure 310115DEST_PATH_IMAGE001
(1+
Figure 646418DEST_PATH_IMAGE023
)+
Figure 339306DEST_PATH_IMAGE026
]
Figure 710244DEST_PATH_IMAGE029
r
Figure 456483DEST_PATH_IMAGE029
Figure 889870DEST_PATH_IMAGE030
进一步地,越障开始时所需推进力
Figure 12547DEST_PATH_IMAGE040
最大,重力G均分给两个行走轮,忽略行走轮的形变、行走轮转轴摩擦力以及电机转轴的加速力矩。
进一步地,所述行走轮半径r=40mm,行走轮重量m=2kg,v=0.125m/s,所述传送带效率
Figure 972412DEST_PATH_IMAGE008
=0.8,减速比
Figure DEST_PATH_IMAGE041
;电机减速机效率
Figure 30498DEST_PATH_IMAGE010
=0.9,减速比
Figure 341394DEST_PATH_IMAGE042
由上述对本发明的描述可知,和现有技术相比,本发明具有如下优点:
本发明增加两个推杆垂直压住导线,以使机器人整机垂直方向重力分量的静摩擦力保持静止,同时考虑前行走轮越障,后行走轮正常行走,行走轮爬坡时需要克服自身转动惯量的力
Figure DEST_PATH_IMAGE043
、自身的转轴之间的摩擦力与电机转轴的加速力矩(忽略不计),机器人整机惯性的力
Figure 408707DEST_PATH_IMAGE044
,机器人整机重力沿导线方向的下滑分力
Figure 223079DEST_PATH_IMAGE046
,以及推杆与导线之间的动摩擦力
Figure DEST_PATH_IMAGE047
,计算得单个电机启动加速时的扭矩,满足爬坡要求。越障时,单个行走轮抬起,只有一个行走轮有推动力,经2级减速求得越障扭矩
Figure 842279DEST_PATH_IMAGE036
,再根据越障扭矩大小选择相应的电机型号,以满足机器人的爬坡越障需求。
附图说明
图1 是本发明行走轮爬坡越障的结构示意图。
图2是4中不同型号电机的转速-扭矩曲线。
具体实施方式
下面参照附图说明本发明的具体实施方式。为了全面理解本发明,下面描述到许多细节,但对于本领域技术人员来说,无需这些细节也可实现本发明。
本发明揭示一种输电线路断股修补机器人的爬坡越障计算方法,该发明机器人的两个行走轮分别配设一个电机,每个电机的输出轴分别通过一个传送带传动,传送带另一端连接与行走轮同轴固定的从动轮。具体包括如下步骤:
参照图1,设定机器人的两个行走轮半径均为r,每个行走轮重量为m,启动速度为v,启动加速时间为t,爬坡角度为锐角
Figure 751723DEST_PATH_IMAGE001
,机器人整机重量为M;动摩擦力为
Figure 216202DEST_PATH_IMAGE002
,系数为
Figure 885081DEST_PATH_IMAGE003
;静摩擦力为
Figure 409603DEST_PATH_IMAGE004
,系数为
Figure 304878DEST_PATH_IMAGE005
;越障高度为h,行走轮中心到障碍物顶面的垂直于斜坡方向的距离为
Figure 307469DEST_PATH_IMAGE006
,行走轮与障碍物的接触点到行走轮中心的水平距离为
Figure 96434DEST_PATH_IMAGE007
;传送带效率为
Figure 791857DEST_PATH_IMAGE008
,减速比为
Figure 908849DEST_PATH_IMAGE009
;电机减速机效率为
Figure 715131DEST_PATH_IMAGE010
,减速比为
Figure 624181DEST_PATH_IMAGE011
一、机器人爬坡计算方法:
a、机器人整机垂直于斜坡的重力分量
Figure 365872DEST_PATH_IMAGE012
=Mgcos
Figure 360373DEST_PATH_IMAGE001
,机器人整机平行于斜坡的重力分量
Figure 704767DEST_PATH_IMAGE013
= Mgsin
Figure 468323DEST_PATH_IMAGE001
,每个行走轮的转动惯量为
Figure 613871DEST_PATH_IMAGE014
=
Figure 95668DEST_PATH_IMAGE015
,经2级减速比换算到电机转轴转动惯量
Figure 243753DEST_PATH_IMAGE016
=
Figure 861816DEST_PATH_IMAGE015
Figure 945310DEST_PATH_IMAGE017
,电机启动加速时克服行走轮转动惯量所需力
Figure 648824DEST_PATH_IMAGE018
;b、机器人整机启动加速时克服惯性所需的力
Figure 335020DEST_PATH_IMAGE019
;c、由于机器人整机靠重力分量
Figure 73169DEST_PATH_IMAGE012
的静摩擦力无法保持静止,仍需
Figure 61984DEST_PATH_IMAGE020
,选择两个推杆垂直压住导线,推杆重量不计;d、推杆压力
Figure 252794DEST_PATH_IMAGE021
与重力分量
Figure 742682DEST_PATH_IMAGE012
带来的动摩擦力
Figure 335337DEST_PATH_IMAGE022
Figure 760633DEST_PATH_IMAGE003
Figure 438739DEST_PATH_IMAGE021
+)=
Figure 466738DEST_PATH_IMAGE023
,两个行走轮启动时需要克服力
Figure 913900DEST_PATH_IMAGE024
=
Figure 265423DEST_PATH_IMAGE025
Mgsin
Figure 430825DEST_PATH_IMAGE001
(1+
Figure 262515DEST_PATH_IMAGE023
)+
Figure 439549DEST_PATH_IMAGE026
+
Figure 331282DEST_PATH_IMAGE027
,两个行走轮合计扭矩
Figure 983980DEST_PATH_IMAGE028
[ Mgsin
Figure 353781DEST_PATH_IMAGE001
(1+
Figure 916481DEST_PATH_IMAGE023
)+
Figure 979115DEST_PATH_IMAGE026
+
Figure 791213DEST_PATH_IMAGE027
]
Figure 604186DEST_PATH_IMAGE029
r;e、爬坡越障时单个行走轮推进,故单个电机启动加速时的扭矩
Figure 880447DEST_PATH_IMAGE039
[ Mgsin
Figure 113982DEST_PATH_IMAGE001
(1+
Figure 882218DEST_PATH_IMAGE023
)+
Figure 593822DEST_PATH_IMAGE026
+
Figure 990168DEST_PATH_IMAGE027
]
Figure 269971DEST_PATH_IMAGE029
r
Figure 384557DEST_PATH_IMAGE029
Figure 899852DEST_PATH_IMAGE030
上述电机启动加速时克服行走轮转动惯量所需力
Figure 26071DEST_PATH_IMAGE037
Figure 601409DEST_PATH_IMAGE015
Figure 203292DEST_PATH_IMAGE017
Figure 227005DEST_PATH_IMAGE029
Figure 37091DEST_PATH_IMAGE038
,该数值很小忽略不计,故越障时单个行走轮推进,单个电机启动加速时的扭矩
Figure 658697DEST_PATH_IMAGE039
[ Mgsin
Figure 747875DEST_PATH_IMAGE001
(1+
Figure 11497DEST_PATH_IMAGE023
)+
Figure 971363DEST_PATH_IMAGE026
]
Figure 29449DEST_PATH_IMAGE029
r
Figure 307721DEST_PATH_IMAGE029
Figure 109455DEST_PATH_IMAGE030
二、越障计算方法:
越障开始时所需推进力
Figure 923828DEST_PATH_IMAGE040
最大,重力G均分给两个行走轮,忽略行走轮的形变、行走轮转轴摩擦力以及电机转轴的加速力矩。
a、机器人整机的重力力矩
Figure 277449DEST_PATH_IMAGE031
,需增加推进力
Figure 685427DEST_PATH_IMAGE032
=
Figure 884327DEST_PATH_IMAGE033
,转换成行走轮所需增加扭矩
Figure 818785DEST_PATH_IMAGE034
Figure 343308DEST_PATH_IMAGE033
Figure 238582DEST_PATH_IMAGE029
r;b、机器人越障时单个行走轮抬起,只有一个行走轮有推动力,经两级减速得
Figure 506753DEST_PATH_IMAGE035
={ [ Mgsin
Figure 295717DEST_PATH_IMAGE001
(1+
Figure 102393DEST_PATH_IMAGE023
)+
Figure 609597DEST_PATH_IMAGE026
+
Figure 415879DEST_PATH_IMAGE027
]
Figure 59350DEST_PATH_IMAGE029
r+
Figure 801041DEST_PATH_IMAGE033
Figure 733225DEST_PATH_IMAGE029
r}
Figure 343198DEST_PATH_IMAGE029
Figure 982121DEST_PATH_IMAGE030
;c、根据求得的
Figure 753768DEST_PATH_IMAGE036
大小选择行走轮的电机型号。
下面以具体的行走轮半径、行走轮速度、斜坡角度等对实施例做进一步说明。
行走轮半径r=40mm,行走轮重量m=2kg,v=0.125m/s,传送带效率
Figure 501144DEST_PATH_IMAGE008
=0.8,减速比
Figure 23130DEST_PATH_IMAGE041
;电机减速机效率
Figure 641193DEST_PATH_IMAGE010
=0.9,减速比
Figure 583741DEST_PATH_IMAGE042
,越障高度h=13mm,
Figure 959359DEST_PATH_IMAGE006
=27mm,
Figure 911134DEST_PATH_IMAGE007
=39mm。
爬坡计算:
(1)、易得
Figure 259070DEST_PATH_IMAGE048
,
Figure DEST_PATH_IMAGE049
Figure 903678DEST_PATH_IMAGE050
Figure DEST_PATH_IMAGE051
(2)、经两级减速比换算到电机转轴
Figure 235434DEST_PATH_IMAGE052
(3)、电机启动加速时克服行走轮转动惯量所需力
Figure DEST_PATH_IMAGE053
,忽略不计。
(4)、易得机器人整机启动加速时克服惯性所需的力
Figure 256479DEST_PATH_IMAGE054
(5)、机器人整机靠重力分量
Figure 237684DEST_PATH_IMAGE012
的静摩擦力无法保持静止,仍需
Figure DEST_PATH_IMAGE055
,选择2个300N推杆垂直压住导线,推杆重量不计;
(6)、前后轮推进力合力
Figure 53194DEST_PATH_IMAGE056
,正好克服重力分量
Figure 606666DEST_PATH_IMAGE013
(7)、易得推杆压力
Figure 900244DEST_PATH_IMAGE021
与重力分量
Figure 347406DEST_PATH_IMAGE012
带来的动摩擦力
Figure DEST_PATH_IMAGE057
,前后轮启动时需要克服力
Figure 209183DEST_PATH_IMAGE024
=
Figure 374585DEST_PATH_IMAGE058
,双行走轮合计扭矩
Figure DEST_PATH_IMAGE059
(8)、考虑越障时单轮推进,单个电机启动加速时的扭矩
Figure 612799DEST_PATH_IMAGE060
;爬坡时前后轮同时工作推进力更大,同时考虑整机实际重量小于60kg,可以满足爬坡要求。
越障计算:
(1)、机器人整机的重力力矩
Figure DEST_PATH_IMAGE061
,需增加推进力
Figure 180047DEST_PATH_IMAGE062
(2)、转换成行走轮所需增加扭矩
Figure DEST_PATH_IMAGE063
(3)、越障时单轮抬起,只有一个轮有推动力,经2级减速
Figure 71779DEST_PATH_IMAGE064
,根据图2所示选取雷赛的57CM26型号电机,由于计算条件中留有充分裕量,在行走轮低转速6rpm(电机转速150 rpm)的情况下可以实现30°爬坡越障。
上述仅为本发明的具体实施方式,但本发明的设计构思并不局限于此,凡利用此构思对本发明进行非实质性的改动,均应属于侵犯本发明保护范围的行为。

Claims (3)

1.输电线路断股修补机器人的爬坡越障计算方法,其特征在于,包括如下步骤:
(1)、设定机器人的两个行走轮半径均为r,每个行走轮重量为m,启动速度为v,启动加速时间为t,爬坡角度为锐角
Figure DEST_PATH_IMAGE001
,机器人整机重量为M;动摩擦力为
Figure DEST_PATH_IMAGE002
,系数为
Figure DEST_PATH_IMAGE003
;静摩擦力为
Figure DEST_PATH_IMAGE004
,系数为
Figure DEST_PATH_IMAGE005
;越障高度为h,行走轮中心到障碍物顶面的垂直于斜坡方向的距离为
Figure 561143DEST_PATH_IMAGE006
,行走轮与障碍物的接触点到行走轮中心的水平距离为
Figure DEST_PATH_IMAGE007
;传送带效率为
Figure 279701DEST_PATH_IMAGE008
,减速比为
Figure DEST_PATH_IMAGE009
;电机减速机效率为
Figure 484548DEST_PATH_IMAGE010
,减速比为
Figure DEST_PATH_IMAGE011
(2)、爬坡计算方法:a、机器人整机垂直于斜坡的重力分量
Figure 263148DEST_PATH_IMAGE012
=Mgcos
Figure 68293DEST_PATH_IMAGE001
,机器人整机平行于斜坡的重力分量
Figure DEST_PATH_IMAGE013
=Mgsin
Figure 324962DEST_PATH_IMAGE001
,每个行走轮的转动惯量为
Figure 148431DEST_PATH_IMAGE014
=
Figure DEST_PATH_IMAGE015
,经2级减速比换算到电机转轴转动惯量
Figure 97932DEST_PATH_IMAGE016
=
Figure 124794DEST_PATH_IMAGE015
Figure DEST_PATH_IMAGE017
,电机启动加速时克服行走轮转动惯量所需力
Figure 450733DEST_PATH_IMAGE018
;b、机器人整机启动加速时克服惯性所需的力
Figure DEST_PATH_IMAGE019
;c、由于机器人整机靠重力分量
Figure 613861DEST_PATH_IMAGE012
的静摩擦力无法保持静止,仍需
Figure 747646DEST_PATH_IMAGE020
,选择两个推杆垂直压住导线,推杆重量不计;d、推杆压力
Figure DEST_PATH_IMAGE021
与重力分量
Figure 261804DEST_PATH_IMAGE012
带来的动摩擦力
Figure 391434DEST_PATH_IMAGE022
Figure 674648DEST_PATH_IMAGE003
Figure 231531DEST_PATH_IMAGE021
+
Figure 232985DEST_PATH_IMAGE012
)=
Figure DEST_PATH_IMAGE023
,两个行走轮启动时需要克服力
Figure 149994DEST_PATH_IMAGE024
=
Figure DEST_PATH_IMAGE025
Mgsin
Figure 22135DEST_PATH_IMAGE001
(1+
Figure 15499DEST_PATH_IMAGE023
)+
Figure 504249DEST_PATH_IMAGE026
+
Figure DEST_PATH_IMAGE027
,两个行走轮合计扭矩
Figure 710103DEST_PATH_IMAGE028
[Mgsin
Figure 718641DEST_PATH_IMAGE001
(1+
Figure 617327DEST_PATH_IMAGE023
)+
Figure 327794DEST_PATH_IMAGE026
+
Figure 602918DEST_PATH_IMAGE027
]
Figure DEST_PATH_IMAGE029
r;e、爬坡越障时单个行走轮推进,故单个电机启动加速时的扭矩
Figure 715230DEST_PATH_IMAGE030
[Mgsin
Figure 784817DEST_PATH_IMAGE001
(1+
Figure 497427DEST_PATH_IMAGE023
)+
Figure 310663DEST_PATH_IMAGE026
+
Figure 543061DEST_PATH_IMAGE027
]
Figure 783549DEST_PATH_IMAGE029
r
Figure 734188DEST_PATH_IMAGE029
Figure DEST_PATH_IMAGE031
(3)、越障计算方法:a、机器人整机的重力力矩
Figure 85535DEST_PATH_IMAGE032
,需增加推进力
Figure DEST_PATH_IMAGE033
=
Figure 389084DEST_PATH_IMAGE034
,转换成行走轮所需增加扭矩
Figure DEST_PATH_IMAGE035
Figure 800473DEST_PATH_IMAGE034
Figure 972829DEST_PATH_IMAGE029
r;b、机器人爬坡越障时单个行走轮抬起,只有一个行走轮有推动力,经两级减速得
Figure DEST_PATH_IMAGE036
;c、根据求得的
Figure DEST_PATH_IMAGE037
大小选择行走轮的电机型号。
2.如权利要求1所述的输电线路断股修补机器人的爬坡越障计算方法,其特征在于:电机启动加速时克服行走轮转动惯量所需力
Figure 596708DEST_PATH_IMAGE038
Figure 52966DEST_PATH_IMAGE015
Figure 635257DEST_PATH_IMAGE017
Figure 294909DEST_PATH_IMAGE029
Figure DEST_PATH_IMAGE039
,该数值很小忽略不计,故越障时单个行走轮推进,单个电机启动加速时的扭矩
Figure 988058DEST_PATH_IMAGE030
[Mgsin
Figure 49555DEST_PATH_IMAGE001
(1+
Figure 68327DEST_PATH_IMAGE023
)+
Figure 215274DEST_PATH_IMAGE026
]
Figure 462847DEST_PATH_IMAGE029
r
Figure 378850DEST_PATH_IMAGE029
Figure 568523DEST_PATH_IMAGE031
3.如权利要求1所述的输电线路断股修补机器人的爬坡越障计算方法,其特征在于:越障开始时所需推进力
Figure 202767DEST_PATH_IMAGE040
最大,重力G均分给两个行走轮,忽略行走轮的形变、行走轮转轴摩擦力以及电机转轴的加速力矩。
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