Table 2 The comparison results of lateral positioning methods.

From: Unmanned roller lateral positioning method for asphalt road construction

Experimental sequence

Methods

Measured distance (m)

Real distance (m)

Absolute error (m)

Relative error (%)

1

LPVFE

0.027

0.100

0.073

73.00%

LPCIH

0.090

0.100

0.010

10.00%

LPRSW

0.106

0.100

0.006

6.00%

2

LPVFE

0.086

0.250

0.164

65.60%

LPCIH

0.261

0.250

0.011

4.40%

LPRSW

0.258

0.250

0.008

3.20%

3

LPVFE

0.157

0.562

0.405

72.06%

LPCIH

0.601

0.562

0.039

6.94%

LPRSW

0.571

0.562

0.009

1.60%

4

LPVFE

0.268

0.865

0.597

69.02%

LPCIH

0.896

0.865

0.031

3.58%

LPRSW

0.863

0.865

0.002

0.23%

5

LPVFE

0.371

1.144

0.773

67.57%

LPCIH

1.161

1.144

0.017

1.49%

LPRSW

1.131

1.144

0.013

1.14%

6

LPVFE

0.456

1.392

0.936

67.24%

LPCIH

1.401

1.392

0.009

0.65%

LPRSW

1.373

1.392

0.019

1.36%

7

LPVFE

- -

LPCIH

1.597

1.615

0.018

1.11%

LPRSW

1.571

1.615

0.044

2.72%

8

LPVFE

LPCIH

2.524

2.522

0.002

0.08%

LPRSW

2.463

2.522

0.059

2.34%

9

LPVFE

- -

LPCIH

2.882

2.953

0.071

2.40%

LPRSW

2.865

2.953

0.088

2.98%