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应助: 0 (幼儿园)
金币: 24
帖子: 7
在线: 2小时
虫号: 7393929
注册: 2017-10-30
性别: GG
专业: 机械工程

[求助] 涡旋型线拟合，变径基圆已有1人参与

程序码好，请求前辈们帮忙拟合一下，1stOpt
Parameter R,a,c,x0,y0;
ParVariable t[0,5*pi];
Variable x,y;
SharedModel;
Function x=R*((1+c*t)*cos(t)+(t+a+c*t^2/2)*sin(t))+x0;
y=R*((1+c*t)*sin(t)-(t+a+c*t^2/2)*cos(t))+y0;
Data;
468.1768       200.8162
467.8859       200.3553
467.5676       199.9052
467.2155       199.4618
466.8427       199.0429
466.4536       198.6497
466.0419       198.2753
465.6161       197.9272
465.1741       197.6012
464.7198       197.3031
464.2438       197.0198
463.753       196.7616
463.2533       196.5298
462.7366       196.3172
462.2111       196.133
461.6776       195.9758
461.1354       195.8379
460.5805       195.7278
460.0222       195.6469
459.4509       195.5855
458.9012       195.5568
458.3649       195.5508
457.8315       195.5665
457.2993       195.6051
456.7692       195.6648
456.2127       195.751
453.7178       196.4506
451.4113       197.6301
449.3547       199.2097
447.6248       201.1185
446.2382       203.3107
445.2422       205.7135
444.6521       208.235
444.4724       210.7887
444.569       212.462
444.677       213.2893
445.035       214.9867
445.8675       217.4075
447.0432       219.6837
448.5403       221.7791
450.3151       223.6503
452.3356       225.2648
454.5443       226.5849
456.9127       227.6001
459.3983       228.2998
461.9475       228.6748
464.5017       228.7262
467.0452       228.4635
468.5327       228.1609
469.5664       227.8857
470.9753       227.4145
473.3192       226.3791
475.5284       225.0741
477.5668       223.521
479.4145       221.7546
481.0574       219.774
482.4715       217.6268
483.6251       215.3264
484.5335       212.9007
485.1798       210.392
485.5518       207.8326
485.6396       206.4649
485.6504       205.276
485.5919       203.9182
485.4753       202.7256
485.28       201.3901
485.0338       200.1573
484.7118       198.9032
483.8978       196.4839
482.8338       194.1519
481.5498       191.9409
480.0496       189.8581
478.3404       187.9296
476.4685       186.1844
474.4326       184.6273
472.2479       183.2649
469.956       182.1224
467.5627       181.2006
465.0895       180.5032
462.5645       180.0368
460.0282       179.8102
457.4871       179.8079
455.628       179.9541
453.1219       180.3461
450.6498       180.956
448.2437       181.7822
445.9088       182.819
443.6709       184.0602
441.5587       185.4763
439.5698       187.0771
437.7159       188.8481
436.0183       190.7682
434.4875       192.8324
433.1342       195.0189
431.9683       197.3135
431.0008       199.6862
430.2264       202.1353
429.6558       204.6468
429.2928       207.2
429.1377       209.7398
429.1879       212.2921
429.4363       214.8192
429.7668       216.7324
430.3625       219.2224
431.1543       221.6399
432.1472       224.0122
433.3205       226.2744
434.6711       228.4457
436.1722       230.5207
437.8216       232.4803
439.6136       234.3106
441.542       236.0078
443.5879       237.5515
445.7443       238.9422
448.0016       240.1708
450.3384       241.2245
452.7417       242.1046
455.2115       242.8018
457.7295       243.3108
460.2836       243.6289
462.8214       243.7576
465.3235       243.7035
467.4488       243.5126
469.96       243.1134
472.4388       242.5272
474.8681       241.7638
477.2474       240.8345
479.554       239.748
481.787       238.508
483.9262       237.1185
485.9754       235.5851
487.9201       233.9151
489.7418       232.117
491.4473       230.1905
493.0139       228.1591
494.4342       226.0248
495.7119       223.8008
496.833       221.4951
497.7926       219.1241
498.5874       216.6922
499.2173       214.2026
499.6756       211.6607
499.9483       209.1018
500.0403       206.5559
499.9583       204.0131
499.701       201.4765
499.2677       198.9743
498.6517       196.495
497.8712       194.0663 @beefly

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