Experimental study on the model-based control of a 2-degree-of-freedom spherical parallel robot camera stabilizer based on multi-thread programming concept

Abstract

This article aims at proposing a real-time controller for a camera stabilizer using a 2-degree-of-freedom spherical parallel robot with simultaneous display of the control results using multi-threading programming concept. The main contribution of this article can be regarded as employing (a) a 2-degree-of-freedom spherical parallel robot as a camera stabilizer, (b) introducing approximated model and Jacobian model, and (c) using multi-thread programming in order to create equal conditions for comparing accuracy of designed controllers and simultaneous controlling and running of graphical user interface. The experimental setup consists of a 2-degree-of-freedom spherical parallel robot in which a camera is attached to its end-effector plus a 3-degree-of-freedom passive rotational platform, which provide the possibility to apply random perturbations on the base of the foregoing 2-degree-of-freedom spherical parallel robot. At the end-effector of the robot, a 6-degree-of-freedom sensor is installed which sends rotational data to a micro controller, wirelessly. To this end, transceiver boards are constructed to create connection between PC controller and micro-controller. A PC controller is designed in order to ensure that the installed cameras orientation will remain fixed for a prescribed orientation. In this regard, a controller without encoder and a Jacobian-based controller are employed for the under study spherical 2-degree-of-freedom parallel robot. Then, multi-thread programming is used to eliminate complexities of controller structures. Based on the experimental results obtained by implementing both controller, outputs are compared and mean error of each control method and the related RMSE are reported for the sake of proposing the most promising controller.

Keywords

2-Degree-of-freedom spherical parallel robot Jacobian model approximated model multi-threading programming 6-degree-of-freedom sensor

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References

Chen

Kwok

. Active vision in robotic systems: A survey of recent developments. Int J Robot Res 2011; 30: 1343–1377.

Wang

Zhang

et al.

Design and kinematic analysis of a novel humanoid robot eye using pneumatic artificial muscles. J Bion Eng 2008; 5: 264–270.

Chen

Shen

et al.

Bionic mosaic method of panoramic image based on compound eye of fly. J Bion Eng 2011; 8: 440–448.

Wang

Zhang

et al.

Design and kinematic analysis of a novel humanoid robot eye using pneumatic artificial muscles. J Bion Eng 2008; 5: 264–270.

Cannata G and Maggiali M. Implementation of listing’s law for a tendon driven robot eye. In: IROS, Beijing, China, pp.3940–3945.

Cannata

Maggiali

. Models for the design of bioinspired robot eyes. IEEE Trans Robot 2008; 24: 27–44.

Manfredi L, Maini ES, Dario P, et al. Implementation of a neurophysiological model of saccadic eye movements on an anthropomorphic robotic head. In: 2006 6th IEEE-RAS international conference on humanoid robots, Genoa, Italy, pp.438–443.

Zhu

. Ground target recognition and tracking based on biological vision. Infrared Laser Eng 2007; 36: 977–979.

Zhang X, et al. A developmental robot vision system. In: 2006 IEEE international conference on systems, man and cybernetics, Taipei, Taiwan, vol. 3, pp.2024–2029.

10.

Mayol

Tordoff

Murray

. Wearable visual robots. Personal Ubiquitous Comput 2002; 6: 37–48.

11.

Schneider

Glasauer

Dieterich

et al.

Diagnosis of vestibular imbalance in the blink of an eye. Neurology 2004; 63: 1209–1216.

12.

Mayol W, Tordoff B and Murray DW. Designing a miniature wearable visual robot. In: Proceedings of IEEE international conference on robotics and automation (ICRA’02), Washington, DC, vol. 4, 2002, pp.3725–3730.

13.

Hoshina M, Mashimo T and Toyama S. Development of spherical ultrasonic motor as a camera actuator for pipe inspection robot. In: IEEE/RSJ international conference on intelligent robots and systems, (IROS 2009), 2009, St Louis, MO, pp.2379–2384.

14.

Bozorgi J, Rostami E, Yahyapour I, et al. Design, development, dynamic analysis and control of a 2-dof spherical parallel mechanism. In: 2014 Second RSI/ISM international conference on robotics and mechatronics (ICRoM), Tehran, Iran, 2014, pp.445–450. IEEE.

15.

Gosselin

. Compact dynamic models for the tripteron and quadrupteron parallel manipulators. Proc IMechE, Part I: J Systems and Control Engineering 2009; 223: 1–12.

16.

Gosselin CM and Caron F. Two degree-of-freedom spherical orienting device. Patent 5,966,991, USA, 1999.

17.

Gosselin CM and Hamel JF. The agile eye: a high-performance three-degree-of-freedom camera-orienting device. In: Proceedings of 1994 IEEE international conference on robotics and automation, San Diego, CA, USA, 1994, pp.781–786. IEEE.

18.

Samson

Laurendeau

Parizeau

et al.

The agile stereo pair for active vision. Mach Vis Appl 2006; 17: 32–50.

19.

Chablat D and Wenger P. Design of a spherical wrist with parallel architecture: Application to vertebrae of an eel robot. In: Proceedings of the 2005 IEEE international conference on robotics and automation, ICRA 2005, Barcelona, Spain, 2005, pp.3336–3341. IEEE.

20.

Malosio M, Negri SP, Pedrocchi N, et al. A spherical parallel three degrees-of-freedom robot for ankle-foot neuro-rehabilitation. In: 2012 Annual international conference of the IEEE engineering in medicine and biology society, IEEE, pp.3356–3359.

21.

Birglen

Gosselin

Pouliot

et al.

Shade, a new 3-dof haptic device. IEEE Trans Robot Autom 2002; 18: 166–175.

22.

Tale Masouleh

Gosselin

Saadatzi

et al.

Kinematic analysis of 5-rpur (3t2r) parallel mechanisms. Meccanica 2011; 46: 131–146.

23.

Mousavi

Tale Masouleh

Karimi

. On the maximal singularity-free ellipse of planar 3-rpr parallel mechanisms via convex optimization. Robot Comput-Integr Manuf 2014; 30: 218–227.

24.

Tale Masouleh M. Kinematic analysis of Five-DOF (3T2R) parallel mechanisms with identical limb structures. PhD Thesis, Citeseer, 2010.

25.

Tale Masouleh M and Gosselin C. Singularity analysis of 5-rprrr parallel mechanisms via grassmann line geometry. In: ASME 2009 international design engineering technical conferences and computers and information in engineering conference, San Diego, California, USA, pp.969–978. American Society of Mechanical Engineers.

26.

Tale Masouleh M, Husty M and Gosselin C. A general methodology for the forward kinematic problem of symmetrical parallel mechanisms and application to 5-prur parallel mechanisms (3t2r). In: ASME 2010 international design engineering technical conferences and computers and information in engineering conference, Montreal, Quebec, Canada, pp.1279–1288. American Society of Mechanical Engineers.

27.

Qi Y, Sun T, Song Y, et al. Topology synthesis of three-legged spherical parallel manipulators employing lie group theory. Proc IMechE, Part C: J Mechanical Engineering Science 2014; 10: 1873–1836.

28.

Hui

Feng

Yang

. Kinematic analysis and design of a novel 6-degree of freedom parallel robot. Proc IMechE, Part C: J Mechanical Engineering Science 2015; 229: 291–303.

29.

Cheng

Ren

Dai

. The multi-body system modelling of the gough–stewart platform for vibration control. J Sound Vib 2004; 271: 599–614.

30.

Iqbal

Bhatti

Ahmed

. Dynamic analysis and robust control design for stewart platform with moving payloads. IFAC Proc Vol 2008; 41: 5324–5329.

31.

Luo

Huang

et al.

Design and control of 3-dof spherical parallel mechanism robot eyes inspired by the binocular vestibule-ocular reflex. J Intell Robot Syst 2015; 78: 425–441.

32.

Guckert

Naish

. A compact 3 degree of freedom spherical joint. J Mech Robot 2011; 3: 031005–031005.

33.

Hesar ME, Tale Masouleh M, Kalhor A, et al. Ball tracking with a 2-dof spherical parallel robot based on visual servoing controllers. In: 2014 second RSI/ISM international conference on robotics and mechatronics (ICRoM), Tehran, Iran, pp.292–297. IEEE.

34.

Rolland L. Manipulators for solar tracking. In: Raad 2012 proceeding, 21th international workshop on robotics in Alpe-Adria-Danube region (Naples, 10–13 September 2012), Napoli, Italy, vol. 1, ESA, p.93.

35.

Tonapi SS and Larochelle P. Design of a mirror positioning system to enhance the performance of a pv array. In: Proceedings of the 2006 Florida conference on recent advances in robotics, Miami, FL, Citeseer, 2006.

36.

Saltaren

Sabater

Yime

et al.

Performance evaluation of spherical parallel platforms for humanoid robots. Robotica 2007; 25: 257–267.

37.

Huang

Gosselin

Whitehouse

et al.

Analytical approach for optimal design of a type of spherical parallel manipulator using dexterous performance indices. Proc IMechE, Part C: J Mechanical Engineering Science 2003; 217: 447–455.

38.

Huda

Takeda

Hanagasaki

. Kinematic design of 3-uru pure rotational parallel mechanism to perform precise motion within a large workspace. Meccanica 2011; 46: 89–100.

39.

Qu H, Guo S and Zhang Y. A novel relative degree-of-freedom criterion for a class of parallel manipulators with kinematic redundancy and its applications. Proc IMechE, Part C: J Mechanical Engineering Science 2016, DOI: 10.1177/0954406216664756.

40.

Duan

Yang

Cheng

. Modeling and analysis of a 2-dof spherical parallel manipulator. Sensors 2016; 16: 1485–1499.

41.

Sun

Zhang

et al.

A novel parallel 2-dof spherical mechanism with one-to-one input-output mapping. WSEAS Trans Syst 2006; 5: 1343–1348.

42.

Kamali

Akbarzadeh

. A novel method for direct kinematics solution of fully parallel manipulators using basic regions theory. Proc IMechE, Part I: J Systems and Control Engineering 2011; 225: 683–701.

43.

Arian A, Danaei B and Tale Masouleh M. Kinematics and dynamics analysis of a 2-dof spherical parallel robot. In: 2016 4th international conference on robotics and mechatronics (ICROM), Tehran, Iran, pp.154–159. IEEE.

44.

Diebel

. Representing attitude: Euler angles, unit quaternions, and rotation vectors. Matrix 2006; 58: 1–35.

45.

Henrich D and Höniger T. Parallel processing approaches in robotics. In: Proceedings of the IEEE international symposium on industrial electronics, ISIE’97, Guimaraes, Portugal, vol. 2, 1997, pp.702–707.

46.

Graham

. Special computer architectures for robotics: Tutorial and survey. IEEE Trans Robot Automat 1989; 5: 543–554.

47.

Hwang

Bae

Kuhl

et al.

Parallel processing for real-time dynamic system simulation. J Mech Des 1990; 112: 520–528.

48.

Ogata

Yang

. Modern control engineering, Englewood Cliffs: Prentice-Hall, 1970.