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Transport device, in particular a pram comprising mass estimation

A technology for transportation devices and baby carriages, which is applied in the direction of measuring devices, transportation and packaging, baby carriages/baby carriages, etc. It can solve the problems of direct mass measurement, wireless data transmission costs, etc., and achieve the goal of simplifying mathematics and digital costs and realizing symmetrical drives Effect

Inactive Publication Date: 2020-08-25
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the direct mass measurement by means of force sensors at all wheel axles of the strol

Method used

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  • Transport device, in particular a pram comprising mass estimation
  • Transport device, in particular a pram comprising mass estimation
  • Transport device, in particular a pram comprising mass estimation

Examples

Experimental program
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Embodiment Construction

[0024] figure 1 A transport device 100 according to the invention is shown with integrated mass estimation. Illustratively and exemplarily, the transportation device 100 is configured as a stroller and is referred to hereinafter as "stroller 100".

[0025] It is noted that the configuration of the transport device 100 as a stroller is of exemplary nature only and should not be construed as limiting the invention. Thus, the transport device 100 can also be configured according to any other type of transport device with mass estimation, for example according to the type of wheelbarrow, trolley, waste bin. The stroller 100 preferably has a preferably foldable underframe 102 with a rest or seat trough 104 . The mattress 106 is preferably placed in the lying or sitting trough as a underlayment for at least one child 108 .

[0026] A handle 110 for a user (not shown), for example an ergonomic height-adjustable U-shaped handle, is preferably arranged on the chassis 102 . By user ...

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PUM

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Abstract

The invention relates to a transport device (100), in particular a pram, comprising at least three wheels (116, 118, 120, 122) and a handle (110) for a user, wherein at least one wheel (120, 122) of the at least three wheels is designed as a drive wheel (132, 134) which can be electromotively driven by means of at least one electric drive unit (140, 142) in order to support, at least in part electromotively, the user in the action of pushing or pulling the transport device (100), and wherein the electric drive unit can be controlled by means of a torque control device (200, 202) associated with same, and the transport device has a computing unit (400) for estimating the mass of the transport device. According to the invention, at least one acceleration sensor (170, 172) is provided and thetorque control device (200, 202) can be exposed to a test signal (Ts), wherein the computing unit (400) is designed to determine a mass (mK) of the transport device (100) at least using the acceleration signal (y1,2(t)) generated at the transport device (100) using the test signal (Ts) and detected by the at least one acceleration sensor (172).

Description

technical field [0001] The invention relates to a transport device, in particular a stroller, with at least three wheels and with a handle for the user, wherein at least one of the at least three wheels is configured as a drive wheel, which can be driven by means of The assigned electric drive unit is driven electrically so as to enable at least partially electrically supported manual push or pull operation of the transport device by the user, and wherein the electric drive unit can be operated by means of the assigned electric drive unit The torque regulator is adjusted, and the transport device has a calculation unit for estimating the mass of the transport device. Furthermore, the invention relates to a method for estimating the mass of a transport device, in particular a stroller. Background technique [0002] Transport devices configured as baby carriages are known from the prior art, which have active support for the user in push or pull operation by means of electric...

Claims

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Application Information

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IPC IPC(8): B62B5/00B62B9/00G01G19/08B60W40/13
CPCB62B5/0069B62B9/00B62B5/004B62B2203/50G01G19/445
Inventor J.鲍尔N.马丁J.菲斯特B.席林格S.格罗
Owner ROBERT BOSCH GMBH
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