设计,建模和控制由语音线圈电机驱动的长冲程符合规定的尖端倾斜活塞微定位阶段
Peixing Li1, Yunzhuang Chen1, Chao Xie1
1School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China.
The Review of scientific instruments
|July 9, 2024
概括
使用声线电机 (VCM) 的新型长冲程微定位阶段提供了精确的尖端-倾斜-活塞控制. 实验结果证实了其高精度定位和跟踪性能的能力.
科学领域:
- 机械工程 机械工程
- 机器人技术 机器人技术 机器人技术
- 精密工程 精密工程是指精密的工程.
背景情况:
- 在需要精确移动的应用中,微定位阶段至关重要.
- 现有的设计往往面临着冲程长度或控制精度的限制.
- 语音线圈电机 (VCM) 在速度和精度方面提供了优势.
研究的目的:
- 提出和验证一个长冲程平行符合规定的尖端-倾斜-活塞微定位阶段.
- 为了实现精确控制三个自由度 (尖端,倾斜,活塞).
- 将VCM集成到一个紧且符合规范的机制设计中.
主要方法:
- 一个平行合规阶段的设计,配有球形链和VCM.
- 使用合规矩阵和几何方法进行动力学分析.
- 使用有限元分析 (FEA) 进行中风和压力评估.
- 开发了一种结合PID,隙过器和滑动模式前的反控制器.
主要成果:
- 该阶段实现了±50.75mrad (尖端),±44.2mrad (倾斜) 和±4.425mm (活塞) 的长冲动.
- 自然频率测量为22.3 Hz (尖端),25.5 Hz (倾斜) 和25.5 Hz (活塞).
- 最大相对跟踪误差保持在5.25%以下.
结论:
- 拟议的VCM驱动阶段展示了有效的长冲动,高精度微定位能力.
- 综合控制战略确保了高跟踪性能.
- 该设计为苛刻的应用提供了紧且兼容的解决方案.
相关概念视频
Angina V: Nursing Management
234
Angina, a symptom of myocardial ischemia, requires a structured nursing management approach to ensure effective care and prevent complications like myocardial infarction. Comprehensive nursing care involves assessing, diagnosing, planning, implementing interventions, and evaluating outcomes, all tailored to the individual patient's needs.Patient AssessmentNursing assessment begins with a detailed subjective evaluation of symptoms, which typically include chest pain or pressure radiating to the...
234
Angina III: Clinical Manifestations and Assessment
152
Angina manifests as chest pain, tightness, or squeezing discomfort typically located behind the breastbone. It can radiate to the neck, jaw, shoulders, and inner aspects of the upper arms, most commonly the left arm. Patients may experience shortness of breath, fatigue, profuse sweating, dizziness, indigestion, heartburn, palpitations, anxiety, and vomiting as accompanying symptoms. This pain often lasts a few minutes and is triggered by physical exertion, emotional stress, heavy meals, or cold...
152
Angina I: Introduction
396
Definition and Symptoms: Angina (angina pectoris) is chest pain or discomfort caused by myocardial ischemia, which occurs when the heart muscle receives insufficient oxygen-rich blood. It typically manifests as pressing, squeezing, or crushing sensations in the chest and may radiate to the shoulders, arms, neck, jaw, or back.Primary Cause: In a healthy state, the coronary arteries can dilate (widen) to increase blood flow and meet the increased oxygen demand during physical activity or...
396
Acute Coronary Syndrome V: Nursing Management
204
Nursing Assessment:Nursing management of acute coronary syndrome (ACS) involves taking the patient's history, focusing on primary complaints such as chest pain, dyspnea, and excessive sweating (diaphoresis), as well as other symptoms like back or jaw pain, nausea, vomiting, palpitations, dizziness, and fatigue. The nurse also reviews the patient's history of cardiac events, risk factors such as hypertension, diabetes, smoking, family history, and current medications.In the objective assessment,...
204
Pericarditis II: Clinical Features and Diagnostic Tests
219
Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...
219
Imaging Studies for Cardiovascular System I:Echocardiography
661
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
661


