Electrically controlled hydraulic vehicle with individual drive and brake of wheels and recovery of braking energy

A technology for recovering braking and independent driving, applied in the field of vehicles, can solve problems such as high cost and complexity, and achieve the effects of reducing self-weight, simplifying structure, and being beneficial to environmental protection

Inactive Publication Date: 2002-08-14
NANJING UNIV OF SCI & TECH
View PDF0 Cites 18 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, modern control theory has also been widely used in the study of improving the dynamic characteristics of

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Electrically controlled hydraulic vehicle with individual drive and brake of wheels and recovery of braking energy
  • Electrically controlled hydraulic vehicle with individual drive and brake of wheels and recovery of braking energy

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0010] With reference to the accompanying drawings, the electronically controlled liquid-driven bus with independent wheel drive braking and recovery of braking energy of the present invention is characterized by: engine 4 (choose diesel engine), hydraulic accumulator 6 (choose bladder type hydraulic accumulator) Installed on the frame, each wheel 3 is equipped with a two-way variable hydraulic motor 2, the engine 4 is connected to the hydraulic pump 5 (selected fixed pump), the hydraulic pump 5 and each hydraulic motor 2 (selected two-way variable hydraulic motor) Connected to the hydraulic accumulator 6 through the hydraulic pipeline 7, the electronic control unit 1 receives sensor signals such as wheel angular velocity, accelerator pedal position, brake pedal position, engine speed, hydraulic accumulator pressure and other sensor signals, and controls the operation of the engine and passes high speed The electromagnetic switch valve separately controls and adjusts the steering ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

An electrically controlled and hydraulically driven vehicle with individual drive and brake of wheel and recovering braking energy has an engine and a hydraulic energy accumulator. Each wheel is equipped with a bidirectional hydraulic motor. Said engine are connected to hydraulic pump. Said hydraulic pump and each hydraulic motor are communicated to the hydraulic energy accumulator. Its electric control unit can receive the signals of different sensors and control engine and hydraulic motors. Its advantages include optical economic efficiency, recovering braking energy, reducing discharge of harmful substances, high performance, simple structure and low cost.

Description

1. Technical field [0001] The invention relates to a vehicle (automobile, motorcycle, etc.), in particular to an electronically controlled hydraulic drive vehicle with independent driving and braking of wheels and recovery of braking energy. 2. Background technology [0002] The driving mode of conventional vehicles is mainly mechanical transmission, in addition to electric transmission, hydraulic transmission, hydraulic transmission and hybrid transmission. During the braking process, the kinetic energy of the vehicle is dissipated in the form of heat energy, and the wheels generally cannot achieve independent driving or braking. Hydraulic transmission has the characteristics of high power-to-weight ratio and stepless speed regulation, so it has the potential to be applied in vehicles, but there are problems such as low efficiency and poor reliability. The solution to these problems not only depends on the improvement of the design and manufacturing level of hydraulic comp...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B60K7/00B60K17/356B60T1/10
Inventor 常思勤
Owner NANJING UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap