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Table 3 Maxon RE40 characteristic parameters

From: Design of bionic active–passive hybrid-driven prosthesis based on gait analysis and simulation of compound control method

Parameter

Value

Parameter

Value

Rated Voltage

\(U_{0} = 48 \,{\text{V}}\)

Locked-rotor Current

\(I_{\max } = 42.2 {\text{A}}\)

Rated Speed

\(n_{0} = 7000\,{\text{ rpm}}\)

Speed Constant

\(W_{n} = 158 {\raise0.7ex\hbox{${{\text{rpm}}}$} \!\mathord{\left/ {\vphantom {{{\text{rpm}}} {\text{V}}}}\right.\kern-\nulldelimiterspace} \!\lower0.7ex\hbox{${\text{V}}$}}\)

Rated Power

\(P_{0} = 150\, {\text{W}}\)

Idling Speed

\(n_{1} = 7590\,{\text{rpm}}\)

Locked-rotor Torque

\(T_{\max } = 2560\,{\text{ mN}} \cdot m\)

Moment of Inertia

\(J = 137 {\text{g}} \cdot \le {\text{cm}}^{2}\)

Rated Torque

\(T_{0} = 187 \,{\text{mN}} \cdot \le m\)

Weight

\(m = 480 g\)

Torque Constant

\(T_{n} = 60.3\, {\raise0.7ex\hbox{${{\text{mN}} \cdot \le {\text{m}}}$} \!\mathord{\left/ {\vphantom {{{\text{mN}} \cdot \le {\text{m}}} {\text{A}}}}\right.\kern-\nulldelimiterspace} \!\lower0.7ex\hbox{${\text{A}}$}}\)

Effectiveness

\(\eta = 0.92\)