Výsledky vyhledávání - "Precise position"

Akademický článek

Spoofing Control Strategy for Precise Position Offset Based on INS/GNSS Tightly Coupled Navigation

Autor: Shuhai Lu, Yan Guo, Hang Shang, Kanghua Tang, Juliang Cao, Ruihang Yu, Shaokun Cai

Publikováno v: IEEE Access, Vol 8, Pp 103585-103600 (2020)

To deceive Inertial Navigation System(INS)/Global Navigation Satellite System(GNSS) integrated navigation terminals, the entry point is still to inject GNSS spoofing signals to the target system. However, the spoofing control strategy in integrated n

Externí odkaz: https://doaj.org/article/f5bda60fcc724814a48e0ba6858a55ac

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Akademický článek

Research and development status and development trend of slotting drill for underground 110 working method in China coal mines

Autor: LI Xutao

Publikováno v: Meikuang Anquan, Vol 53, Iss 1, Pp 156-160, 166 (2022)

Slot-cutting drill is the key equipment used in “110 construction method” roof pre-split drilling construction, according to the construction method of roof pre-split drilling construction requirements precise positioning, meet all drilling in a

Externí odkaz: https://doaj.org/article/60b0dc837b084bf5a227a9dbb16d8ea3

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Akademický článek

Precise position control of ultrasonic motors using three parameters high speed switching method

Autor: Masato OKA, Kanya TANAKA

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 904, Pp 21-00224-21-00224 (2021)

The rotation speed of the ultrasonic motor depends on three parameters such as frequency, voltage and phase difference. In current mainstream drive circuits using a step-up transformer, ultrasonic motors are controlled frequency (rotation speed) by v

Externí odkaz: https://doaj.org/article/d3eb0681b7f2428183c35c3ef67286a7

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Akademický článek

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Akademický článek

Research on dual-mode switching fuzzy PID servo algorithm based on micro-linear motor

Autor: Hongchang Sun, Ruijun Ma, Sangpeng Deng, Lina Li, Jian Zhang, Yuming Qi, Yu Feng, Tianjiang Zhang

Publikováno v: The Journal of Engineering (2019)

Micro-linear motor, is the key feed components which is based on macro–micro-motion control technology, the accuracy of its movement directly determines the accuracy of ultra-precision machining level. Based on the study of the open servo character

Externí odkaz: https://doaj.org/article/f3658b1a56c5423eb2dce8fd6321227d

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Akademický článek

Feedforward Compensation Analysis of Piezoelectric Actuators Using Artificial Neural Networks with Conventional PID Controller and Single-Neuron PID Based on Hebb Learning Rules

Autor: Cristian Napole, Oscar Barambones, Isidro Calvo, Javier Velasco

Publikováno v: Energies, Vol 13, Iss 15, p 3929 (2020)

This paper presents a deep analysis of different feed-forward (FF) techniques combined with two different proportional-integral-derivative (PID) control to guide a real piezoelectric actuator (PEA). These devices are well known for a non-linear effec

Externí odkaz: https://doaj.org/article/0b16d2d912f34c00a28335c04263a3bb

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Akademický článek

Sliding Mode-Based Robust Control for Piezoelectric Actuators with Inverse Dynamics Estimation

Autor: Ander Chouza, Oscar Barambones, Isidro Calvo, Javier Velasco

Publikováno v: Energies, Vol 12, Iss 5, p 943 (2019)

This paper presents an improved control approach to be used for piezoelectric actuators. The proposed approach is based on sliding mode control with estimation perturbation (SMCPE) techniques. Also, a proportional–integral–derivative (PID)-type s

Externí odkaz: https://doaj.org/article/8d97465a9cc046b5873945565bd7c3a7

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