Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

PD Controller: Design01:26

PD Controller: Design

432
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
432
Controller Configurations01:22

Controller Configurations

210
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
210
PI Controller: Design01:24

PI Controller: Design

730
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
730
Problem Solving: Energy in Simple Harmonic Motion01:17

Problem Solving: Energy in Simple Harmonic Motion

1.8K
Simple harmonic motion (SHM) is a type of periodic motion in time and position, in which an object oscillates back and forth around an equilibrium position with a constant amplitude and frequency. In SHM, there is a continuous exchange between the potential and kinetic energy, which results in the oscillation of the object.
Consider the spring in a shock absorber of a car. The spring attached to the wheel executes simple harmonic motion while the car is moving on a bumpy road. The force on the...
1.8K
Electro-mechanical Systems01:19

Electro-mechanical Systems

1.3K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.3K
Relation between Mathematical Equations and Block Diagrams01:20

Relation between Mathematical Equations and Block Diagrams

2.5K
In a spring-mass-damper system, the second-order differential equation describes the dynamic behavior of the system. When transformed into the Laplace domain under zero initial conditions, this equation can be effectively analyzed and manipulated. The transformation into the Laplace domain converts differential equations into algebraic equations, simplifying the process of isolating the output.
2.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Trends of epidemiological characteristics of traumatic spinal cord injury in China, 2009-2018.

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2021
Same author

Simultaneous transcatheter aortic mitral and tricuspid valve-in-valve implantation.

European heart journal·2021
Same author

Neolignans and Sesquiterpenoid from Piper yunnanense.

Chemistry & biodiversity·2021
Same author

Facile Preparation of Mesoporous MCM-48 Containing Silver Nanoparticles with Fly Ash as Raw Materials for CO Catalytic Oxidation.

Micromachines·2021
Same author

A genome-wide screen uncovers multiple roles for mitochondrial nucleoside diphosphate kinase D in inflammasome activation.

Science signaling·2021
Same author

Correction: Type I IFNs facilitate innate immune control of the opportunistic bacteria Burkholderia cenocepacia in the macrophage cytosol.

PLoS pathogens·2021

Related Experiment Video

Updated: Nov 7, 2025

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.9K

Composite adaptive backstepping controller design and the energy calculation for active suspension system.

Xiaoyu Su1, Bin Lin1, Shuai Liu2

  • 1School of Electronic and Electrical Engineering, Shanghai University of Engineering Science, Shanghai, China.

Science Progress
|April 29, 2021
PubMed
Summary

This study introduces a novel composite adaptive backstepping control for active suspension systems. The new method enhances vehicle comfort, stability, and handling while reducing energy consumption compared to traditional approaches.

Keywords:
Automobile active suspensioncomposite adaptive backstepping controlenergy-saving

More Related Videos

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
09:04

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

Published on: June 1, 2022

3.3K
The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
11:53

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

Published on: October 14, 2017

11.9K

Related Experiment Videos

Last Updated: Nov 7, 2025

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.9K
A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
09:04

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

Published on: June 1, 2022

3.3K
The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
11:53

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

Published on: October 14, 2017

11.9K

Area of Science:

  • Automotive Engineering
  • Control Systems
  • Mechanical Vibrations

Background:

  • Active suspension systems face challenges with coupled pitch and heave dynamics, especially under model uncertainties.
  • Traditional linear control methods are inadequate for complex half-car active suspension models.
  • Existing methods lack systematic approaches for suspension power management.

Purpose of the Study:

  • To develop a composite adaptive backstepping control scheme for half-car active suspension systems.
  • To propose a power calculation formula based on suspension elastic component energy storage.
  • To evaluate the performance of the proposed control scheme against traditional methods.

Main Methods:

  • A composite adaptive backstepping control strategy is developed for active suspension.
  • Adaptive laws are constructed using correlation information between output and parameter estimation errors.
  • A power calculation formula is derived from the energy storage characteristics of suspension components.

Main Results:

  • The composite adaptive law demonstrates superior disturbance suppression and effectively addresses pitching angle issues.
  • The composite adaptive algorithm offers improved vehicle comfort with gentler responses and better human adaptability.
  • Both algorithms ensure driving safety, but the composite adaptive approach shows advantages in handling and lower energy consumption.

Conclusions:

  • The composite adaptive backstepping controller significantly enhances vehicle ride comfort, operating stability, and safety.
  • The proposed composite adaptive algorithm is more energy-efficient than conventional adaptive algorithms.
  • This research provides a systematic and effective solution for half-car active suspension control and power management.